CN111508783B - Automatic assembling and locking production line for miniature circuit breaker - Google Patents

Abstract

The invention discloses an automatic assembly locking production line for a miniature circuit breaker, wherein a rotary disc component is arranged at the middle position of a rack table-board, sixteen base stations and eight upper cover stations are uniformly distributed on the rotary disc component in a graduated mode, a base jig for conveying a base is arranged on each of the sixteen base stations, and each of the eight upper cover stations is provided with an upper cover jig; and a base conveying mechanism, an adjusting nut conveying mechanism, a nut input part, a nut detection unit, an arc-extinguishing chamber conveying mechanism, an arc-extinguishing chamber detection assembly, an arc guide plate and contact supporting plate press-fitting conveying mechanism, a secondary press-fitting assembly, a screw locking mechanism, an upper cover feeding mechanism and a finished product discharging mechanism are respectively arranged close to the relevant stations. The invention has novel structure, reliable work, stable quality of finished products and high automation degree.

Description

Automatic assembling and locking production line for miniature circuit breaker

Technical Field

The invention belongs to the technical field of mechanical equipment, and relates to an automatic assembling and locking production line for a miniature circuit breaker.

Background

The miniature circuit breaker is suitable for the overload and short-circuit protection of a line with the rated voltage of 230/400V and the rated current of 50/60Hz and the rated current of 63A, can also be used for the infrequent operation and conversion of the line under the normal condition, is mainly used in various places such as industry, commerce, high-rise and civil houses, and the like, and the product is in accordance with the GB10963.1 and IEC60898 standards. However, in actual assembly, for example, in fig. 11, the base and the upper cover are usually packaged by a manual assembly and a manual rivet riveting manner, which is relatively easy to close and close the moving contact and the fixed contact by using mechanical motion, but when the moving contact and the fixed contact of the miniature circuit breaker are separated by using a mechanical method, the electric arc generated in the opening process is much more serious than that generated in the closing process, and when the current for opening and closing is very large, especially when the load circuit is opened and short-circuited, the electric arc is very large, and the circuit is often very difficult to open. The riveting can start to loosen when the fixed contact and the moving contact are forcibly opened and closed for 3000 times (the specified electrical service life is 4000 times, and the mechanical service life is 2 ten thousand times), so that a larger electric arc can be generated between the fixed contact and the moving contact when the fixed contact and the moving contact are closed and opened, fire hazard is caused, the miniature circuit breaker cannot be conveniently opened by riveting the rivets, the fixed contact and the moving contact are checked and replaced, the product rejection rate is high, the service life is short, and the use of a user and the reputation of a product are influenced.

Each of the long-delay adjusting nut, the arc extinguishing cover, the arc guide plate and the contact supporting plate needs 3 persons to assemble into the base in a manual mode, and then the upper cover is packaged and riveted by rivets. 6 such every minute assemblies, adjusting nut and arc guide plate are in manual assembly upset in-process, and easy neglected loading is missed and is examined, and the rework rate is 15%, and manual assembly is efficient low, with high costs, assembly quality uniformity is poor.

Disclosure of Invention

The invention aims to provide an automatic assembling and locking production line for a miniature circuit breaker, which solves the problems that in the prior art, manual assembly is adopted, so that the assembly efficiency is low, neglected assembly and detection are missed, locking and assembly are not in place, a base and an upper cover can be conveniently opened and checked, a static contact and a moving contact can be replaced, and burning of a plastic shell caused by loose assembly is eliminated.

The invention adopts the technical scheme that an automatic assembling and locking production line for a miniature circuit breaker is characterized in that a rotary disc component is arranged at the middle position of a rack table-board, sixteen base stations and eight upper cover stations are uniformly distributed on the rotary disc component in a dividing manner, a base jig for conveying a base is arranged on each of the sixteen base stations, and each of the eight upper cover stations is provided with an upper cover jig;

a feeding unit in the base conveying mechanism is arranged close to the first station;

the second station is a vacant position, and a first conveying belt and a pushing unit in the base conveying mechanism are arranged close to the second station;

an adjusting nut conveying mechanism is arranged close to the third station;

a nut input part is arranged between the fourth station and the sixth station, wherein the left nut conveying mechanism is arranged below the fourth station, the lifting and compressing assembly is arranged above the fourth station, the nut lifting assembly of the nut input part is arranged below the fifth station, the sixth station is a vacant position, and the right nut conveying mechanism is arranged below the sixth station;

a nut detection unit is arranged close to the seventh station;

an arc extinguishing chamber conveying mechanism is arranged close to the eighth station;

the ninth station is a vacant station;

an arc extinguishing chamber detection assembly is arranged close to the tenth station;

an arc guide plate and contact supporting plate press-fitting conveying mechanism is arranged close to the eleventh station;

a secondary press-fitting assembly is arranged close to the twelfth station;

a screw locking mechanism is arranged close to the thirteenth station;

the fourteenth station is a vacant position, and an upper cover feeding mechanism is arranged close to the fourteenth station;

a finished product discharging mechanism is arranged near the fifteenth station

The sixteenth station is vacant.

The invention discloses an automatic assembly locking production line for a miniature circuit breaker, which is further characterized in that:

the base conveying mechanism is structurally characterized by comprising a first conveying belt, a feeding unit and a pushing unit;

the feeding unit comprises a vertical support eleven, the support eleven is fixed at the right end of a horizontal plate of the support frame, a first air cylinder is arranged at the upper end of the support eleven, a first linear sliding rail pair is arranged on the support eleven facing the turntable, a square groove is formed in the right end of the horizontal plate of the support frame, a first clamping jaw air cylinder is arranged in the square groove, a first clamping jaw air cylinder body is in transmission connection with a push rod of the first air cylinder, a first clamping jaw is mounted at the end of a piston rod of the first clamping jaw air cylinder, a fixing plate on the first clamping jaw air cylinder body is in sliding sleeve connection with the first linear sliding rail pair, and a second detection part is fixed on a vertical plate at the right end of the horizontal plate of the support frame;

the pushing unit comprises a first detection unit, an L-shaped push plate and a first double-sliding-rod cylinder, the first detection unit is fixed in the middle of a horizontal plate of the support frame, the adjacent detection unit is provided with a transversely moving L-shaped push plate, the L-shaped push plate is in butt joint with the output end of the first conveying belt, the L-shaped push plate is in transmission connection with a first double-sliding-rod cylinder, and the first double-sliding-rod cylinder is fixed at the left end of the horizontal plate of the support frame.

The adjusting nut conveying mechanism is structurally characterized by comprising a fourth vibrating disc, wherein the fourth vibrating disc is in butt joint with a fourth U rail, the four output ends of the fourth U rail are in butt joint with a material separating rod, and the material separating rod is driven by an air cylinder on a material separating frame; the four output ends of the U track are butted with a U-shaped clamp of a lifting cylinder, the lifting cylinder is arranged on a fixed support, and the fixed support is supported and fixed by a support nine; a clamping cylinder and a detection unit are arranged on the right side of the fixed support, and a lifting rod is arranged at the end of a piston rod of the clamping cylinder;

still be equipped with support ten on the fixed bolster right side, support ten below is provided with bolt lifting cylinder, and the bolt is installed to bolt lifting cylinder's piston rod end, upwards adjusts four via holes of base well.

The arc extinguishing chamber conveying mechanism structurally comprises a third vibrating disc, wherein the outlet of the third vibrating disc is connected with a U-shaped straight rail groove, the straight rail groove is arranged on the third vibrating disc, the output end of the straight rail groove is butted with a dislocation plate, the dislocation plate is in a U-shaped groove in overlook shape, and the dislocation plate is downwards in transmission connection with a dislocation cylinder;

the U type recess top of dislocation board is just being equipped with rotatory tong, and rotatory tong upwards is connected with the six transmissions of vertical flexible cylinder, and the cylinder body of cylinder six is fixed on the carriage, and the carriage suit is on the vice two of linear slide rail, and the vice two of linear slide rail are fixed on the grudging post, and fixed mounting has the cylinder five that the level was passed on the grudging post, and the push rod of cylinder five is connected with the carriage transmission.

The arc-extinguishing chamber detection assembly is structurally characterized by comprising a seventh air cylinder vertically pushed on a third support, wherein a push rod head of the seventh air cylinder is connected with a fourth detection device, and the fourth detection device is downwards opposite to a mark point of an arc-extinguishing chamber in a base in the base jig.

The screw locking mechanism is structurally characterized by comprising a fixed box type frame, wherein a horizontally pushed cylinder eleven is arranged on the outer side of one end of the box type frame, a double-row linear guide rail pair and a linear slide rail pair IV are horizontally arranged in the inner space of the box type frame, an L-shaped sliding plate is slidably arranged on the double-row linear guide rail pair and the linear slide rail pair IV, and the L-shaped sliding plate is in transmission connection with a push rod of the cylinder eleven; a rotary cylinder is arranged on the L-shaped sliding plate, and a Z-shaped frame is fixedly arranged on a rotary push rod of the rotary cylinder;

the lower extreme in the front of the riser of Z type frame is equipped with a pair of vacuum suction nozzle fixed plate, should be fixed with a vacuum suction nozzle respectively to vacuum suction nozzle fixed plate lower surface, Z type frame riser openly vertically is equipped with the vice five of linear slide rail, slidable mounting has last fixed cover in the vice five of linear slide rail, Z type frame riser openly upper end is equipped with vertical cylinder twelve of passing, Z type frame lower extreme is equipped with down fixed lagging, go up fixed cover and be connected with the push rod transmission of cylinder twelve, every is gone up the fixed sheathe in and is installed an electricity and criticizes, every electricity is criticized the lower extreme and is installed a bottle opener.

The invention has the advantages that each component can be rapidly, accurately and conveniently automatically assembled and inspected, the equipment and manpower investment is greatly reduced, and the qualification rate is improved from 85% to 100%; the production capacity is improved from that of the existing equipment which assembles 6 sets per minute to 35 sets per minute; the automatic feeding device is simple in overall structure, compact in layout, long in service life, high in automation degree and high in working efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall architecture of the system of the present invention;

FIG. 2 is a schematic structural view of the turntable assembly 11 of the present invention;

FIG. 3 is a schematic diagram of a workstation distribution of the system of the present invention;

FIG. 4 is a schematic view of a-direction partial structure in FIG. 3;

FIG. 5 is a schematic structural diagram of the left nut conveying mechanism 15 and the right nut conveying mechanism 16 of the present invention;

figure 6 is a schematic structural view of the arc chute delivery mechanism 18 of the present invention;

figure 7 is a schematic structural view of the arc chute detection assembly 19 of the present invention;

fig. 8 is a schematic structural view of the press-fitting conveying mechanism 20 of the arc guide plate and the contact support plate of the present invention;

FIG. 9 is a schematic structural view of the screw locking mechanism 21 of the present invention;

FIG. 10 is a schematic diagram of the lid feeding mechanism 24 and the product discharging mechanism 22 according to the present invention;

fig. 11 is a schematic view of the subject product requiring automatic assembly by the system of the present invention.

In the figure, 1, a miniature circuit breaker, 2, a semi-finished circuit breaker, 3, an upper cover, 4, a base, 5, a hexagon nut, 6, a pan head screw, 7, a double-head screw locking pair, 8, a contact supporting plate and upper cover assembling mechanism, 9, an upper cover jig, 10, a rack table-board, 11, a turntable assembly, 12, a base jig, 13, a base conveying mechanism, 14, an adjusting nut conveying mechanism, 15, a left nut conveying mechanism, 16, a right nut conveying mechanism, 17, a lifting pressing assembly, 18, an arc-extinguishing cover conveying mechanism, 19, an arc-extinguishing cover detecting assembly, 20, an arc guide plate and contact supporting plate pressing conveying mechanism, 21, a screw locking mechanism, 22, a finished product discharging mechanism, 23, an operation panel, 24, an upper cover feeding mechanism, 25, a first station, 26, a second station, 27, a third station, 28, a fourth station, 29, a fifth station, 30, a sixth station, 31. a seventh station, 32, an eighth station, 33, a ninth station, 34, a tenth station, 35, an eleventh station, 36, a twelfth station, 37, a thirteenth station, 38, a fourteenth station, 39, a fifteenth station, 40, a sixteenth station, 41, a stepping motor, 42, a support frame, 43, a push-up cylinder, 44, a nut detection unit, 45, a ball support, 46, an output shaft, 47, a finished product sample, 48, a first clamping jaw, 49, a first clamping jaw cylinder, 50, a first conveying belt, 51, a first detection, 52, a second detection, 53. L-shaped push plate, 54, a linear sliding rail pair, 55, a feeding unit, 56, a first cylinder, 57, a rotary cylinder frame, 58, a second clamping jaw, 59, a first double sliding rod cylinder, 60, a second cylinder, 61, a first vibrating disc, 62, a first rail, 63, a straight vibrating rod, 64, a ninth support, 65, an output support, 66, a nut lifting assembly, 67, a double sliding rod cylinder, 68. a second straight vibration, 69, a second bracket, 70, a second rail, 71, a second vibrating disk, 72, an inner pushing rod, 73, an outer pushing rod, 74, a third air cylinder, 75, a third detection, 76, a fourth air cylinder, 77, a third vibrating disk, 78, a straight rail groove, 79, a fifth air cylinder, 80, a third straight vibration, 81, a dislocation plate, 82, a stand, 83, a linear sliding rail pair, a second 84, a sliding frame, 85, a rotary clamping hand, 86, a sixth air cylinder, 87, a third bracket, 88, a marking point, 89, a fourth detection, 90, a seventh air cylinder, 92. U-shaped rail, 93, an eighth air cylinder, 94, an upward pushing unit of the air cylinders, 95, a fifth detection, 96, a third clamping jaw, 97, an upward pushing cylinder, 98, a ninth air cylinder, 99, a clamping air cylinder, 100, a tenth air cylinder, 101, a third linear sliding rail pair, 102, a pushing air cylinder, 103, a sixth vibrating disk, 104, a fourth bracket, a fifth bracket, 105, a sixth bracket, 107, an eleventh bracket, a sixth bracket, 108, a linear sliding rail pair, 109, 110. 111-two-row linear guide rail pair, 111-rotary cylinder, 112-Z-shaped frame, 113-vacuum suction nozzle, 114-upper fixed sleeve, 115-linear guide rail pair five, 116-electric batch, 117-cylinder twelve, 118-screwdriver, 119-conveyor belt two, 120-conveyor belt three, 121-bracket seven, 122-double-slide-bar sliding table, 123-clamping jaw four, 124-cylinder thirteen, 125-bracket eight, 126-clamping jaw cylinder two, 127-supporting column one, 128-supporting column two, 129-baffle, 130-connecting plate, 131-sliding rail, 133-vibrating disk four, 134-rail four, 135-separating frame, 136-bracket nine, 137-lifting rod, 138-fixed bracket, 139-lifting cylinder, 140-bolt lifting cylinder, 141-detection six, 142-clamping cylinder, 143-supporting frame ten, 144-via hole, 145-supporting frame eleven, 146-positioning groove, 147-pushing unit, 148-supporting frame, 150-contact supporting plate, 151-arc guide plate, 152. the arc extinguishing cover comprises an arc extinguishing cover 153, an adjusting nut 154, a square groove 155, a vibrating disc five, 156, an arc guide plate conveying mechanism 157, an upper cover input station 158, a second jig 167, a straight vibrating disc five, 168, a push-up mechanism 169, a contact supporting plate conveying mechanism 170, an upper cover grabbing unit 171 and an upper cover output station.

Detailed Description

The upper, lower, left and right positions in the following description are based on the display on the corresponding drawings, and so on.

Referring to fig. 11, the object product (the miniature circuit breaker 1) of the system of the present invention, which needs to be automatically assembled, needs to be continuously assembled with the upper cover 3, the hexagon nut 5, the pan head screw 6, the contact support plate 150, the arc guide plate 151, the arc extinguishing chamber 152, and the adjusting nut 153 on the base 4 of the pre-assembled semi-finished circuit breaker 2, and finally, a finished sample of the miniature circuit breaker 1, which is firmly installed, is obtained.

The structure of the finished product sample of the miniature circuit breaker 1 is that a semi-finished product circuit breaker 2 with pre-cured basic elements is sleeved in a base 4, an upper cover 3 is buckled on the base 4, an adjusting nut 153 needs to be installed in a U-shaped groove in the base 4, an arc extinguishing cover 152 needs to be installed in a lower groove in the base 4, and an arc guide plate 151 needs to be installed in a contact supporting plate 150 in the base 4; through holes are respectively formed in four corners of the upper cover 3, a pan head screw 6 is respectively installed in each through hole, inner hexagonal grooves are respectively formed in four corners of the bottom surface of the base 4, and a hexagon nut 5 is installed in each inner hexagonal groove; each inner hexagonal groove is aligned with one via hole upwards, and the four pan head screws 6 are locked with the four hexagon nuts 5 in a one-to-one correspondence manner.

The following technical scheme of the invention takes a semi-finished product circuit breaker 2, an upper cover 3, a base 4, a hexagon nut 5 and a pan head screw 6 on a miniature circuit breaker 1 as installation references, and utilizes a double-head screw locking pair 7 and a contact supporting plate and upper cover assembling mechanism 8 to carry out assembling and locking, so as to obtain a full-automatic finished product sample of the miniature circuit breaker 1 of the 1-pole type as an example for explanation. The other 2-pole and 3-pole content principles are the same (a single miniature circuit breaker 1 is called a 1-pole miniature circuit breaker, two miniature circuit breakers 1 are called 2-pole miniature circuit breakers together, and three miniature circuit breakers 1 are called 3-pole miniature circuit breakers together).

Referring to fig. 1, 2 and 3, the overall structure of the system of the invention is that a turntable assembly 11 is arranged at the middle position of a machine frame surface 10, sixteen base stations (arranged by an outer circle) and eight upper cover stations (arranged by an inner circle) are uniformly distributed on the turntable assembly 11 in a graduated manner, a base jig 12 for conveying a base 4 is arranged on each of the sixteen base stations, and an upper cover jig 9 is arranged on each of the eight upper cover stations at intervals of one base jig 12 (each upper cover jig 9 is used for conveying an upper cover 3 from an upper cover input station 157 to an upper cover output station 171 in an anticlockwise manner, and the assembly of the upper cover 3 and the base 4 is completed at a twelfth station 36); the sixteen base stations are sequentially called as a first station 25, a second station 26, a third station 27, a fourth station 28, a fifth station 29, a sixth station 30, a seventh station 31, an eighth station 32, a ninth station 33, a tenth station 34, an eleventh station 35, a twelfth station 36, a thirteenth station 37, a fourteenth station 38, a fifteenth station 39 and a sixteenth station 40 along the anticlockwise direction; a base conveying mechanism 13, an adjusting nut conveying mechanism 14, a left nut conveying mechanism 15, a lifting pressing component 17, a right nut conveying mechanism 16 (three of the left nut conveying mechanism 15, the lifting pressing component 17 and the right nut conveying mechanism 16 are called nut input parts together), a nut detection unit 44, an arc-extinguishing cover conveying mechanism 18, an arc-extinguishing cover detection component 19, a contact support plate and upper cover assembling mechanism 8 (comprising an arc guide plate and contact support plate press-fitting conveying mechanism 20, a contact support plate conveying mechanism 169 and an upper cover grabbing unit 170), a screw locking mechanism 21 (comprising a double-head screw locking mechanism 7), a finished product discharging mechanism 22 and an upper cover feeding mechanism 24 are sequentially arranged around the rotary disc assembly 11 in a counterclockwise direction, and an operating panel 23 is further arranged on the outer side of the rotary disc assembly 11.

Fig. 1 shows that the installation position of the contact support plate and upper cover assembling mechanism 8 is located in front of the upper cover feeding mechanism 24, which is based on the consideration of space arrangement, during actual operation, the upper cover feeding mechanism 24 firstly conveys the upper cover 3 into the upper cover jig 9 (primary feeding), and after the contact support plate and upper cover assembling mechanism 8, the upper cover 3 is assembled and fed (the assembly of the upper cover 3 and the base 4 in the upper cover jig 9, secondary feeding is completed).

Referring to fig. 2, the turntable assembly 11 includes an output shaft 46, a lower end of the output shaft 46 is in transmission connection with the stepping motor 41, and a turntable is fixed at an upper end of the output shaft 46; three support frames 42 are arranged along the outer circumference below the turntable, a ball support 45 is arranged at the top of each support frame 42, and the turntables are supported upwards to rotate together through balls in the ball supports 45;

a push-up cylinder 43 (for assembling an adjusting nut 153) is arranged below the turntable where the third station 27 is located, a pair of taper pins are arranged at the front end of a cylinder rod of the push-up cylinder 43, the taper pins pass through the turntable and via holes 144 in the base jigs 12 (four via holes 144 in each base jig 12 are arranged opposite to the inner hexagonal grooves at four corners of the bottom surface of the base 4), and the cylinder rod of the push-up cylinder 43 enters the inner hexagonal grooves of the base 4 to position the base 4;

(the middle of the turntable assembly 11 is provided with a finished product sample 47, the finished product sample 47 is not a mechanism of the invention, and the finished product sample 47 is used as a reference detection mark for qualified quality detection after the automatic assembly of the miniature circuit breaker 1 and is a finished product sample reference object of the system of the invention).

A nut detection unit 44 is arranged below the turntable where the seventh station 31 is located, and the nut detection unit 44 is structurally characterized in that a sliding rod cylinder is arranged on the L-shaped frame, and four sensors are arranged at the upper end of a push rod of the sliding rod cylinder and used for detecting whether the hexagon nuts 5 in the four inner hexagonal grooves of the base 4 are in place.

Referring to fig. 3 and 4, the adjusting nut conveying mechanism 14 is used for sequencing and vibrating and conveying adjusting nuts 153, the adjusting nut conveying mechanism 14 comprises a vibrating disk four 133, the vibrating disk four 133 is in butt joint with a U rail four 134, the output end of the U rail four 134 is in butt joint with a material separating rod, the material separating rod is driven by an air cylinder on a material separating frame 135 (for isolating or releasing the adjusting nut 153 at the output end of the U rail four 134), the output end of the U rail four 134 is in butt joint with a U-shaped clamp of a lifting air cylinder 139, the lifting air cylinder 139 is installed on a fixed support 138, and the fixed support 138 is supported and fixed by a support nine 136; a clamping cylinder 142 and a detection six 141 (the detection six 141 is used for detecting whether an adjusting nut 153 is clamped in a U-shaped clamp of the lifting cylinder 139) are arranged on the right side of the fixed support 138, and a lifting rod 137 is installed at the end of a piston rod of the clamping cylinder 142; a bracket ten 143 is further arranged on the right side of the fixed bracket 138, a bolt lifting cylinder 140 is arranged below the bracket ten 143, and a bolt is mounted at the end of a piston rod of the bolt lifting cylinder 140 and is aligned with the four through holes 144 of the base 4 upwards;

referring to fig. 3 and 4, a feeding unit 55 in the base conveying mechanism 13 is arranged near the first station 25; the second station 26 is a vacant position, and a first conveying belt 50 and a pushing unit 147 in the base conveying mechanism 13 are arranged close to the second station 26; an adjusting nut conveying mechanism 14 is arranged close to the third station 27; a nut input part is arranged between the fourth station 28 and the sixth station 30, wherein the left nut conveying mechanism 15 is arranged below the fourth station 29, the lifting and pressing assembly 17 is arranged above the fourth station 29, the nut lifting assembly 66 of the nut input part is arranged below the fifth station 28, the sixth station 30 is vacant, and the right nut conveying mechanism 16 is arranged below the sixth station 30; a nut detection unit 44 is arranged close to the seventh station 31; an arc chute conveyor 18 is provided adjacent the eighth station 32; the ninth station 33 is vacant; an arc chute detection assembly 19 is disposed adjacent the tenth station 34; an arc guide plate and contact supporting plate press-fitting conveying mechanism 20 is arranged close to the eleventh station 35; a secondary press-fitting assembly (which is used for secondary pressing after the arc guide plate and the contact support plate are assembled and is formed by combining a vertical cylinder, a linear guide rail and a press plate, which are not specifically shown in the figure) is arranged near the twelfth station 36; a screw locking mechanism 21 is arranged close to the thirteenth station 37; the fourteenth station 38 is a vacant position, and an upper cover feeding mechanism 24 is arranged close to the fourteenth station 38; a finished product discharging mechanism 22 is arranged close to the fifteenth station 39; the sixteenth station 40 is vacant.

Referring to fig. 4, the base conveying mechanism 13, the operation panel 23 and the adjusting nut conveying mechanism 14 are all disposed on a horizontal plate of the supporting frame 148,

the base conveying mechanism 13 comprises a first conveying belt 50, a feeding unit 55 and a pushing unit 147; the feeding unit 55 comprises an upright bracket eleven 145, the bracket eleven 145 is fixed at the right end (the right end in fig. 4) of a horizontal plate of a support frame 148, a cylinder I56 is arranged at the upper end of the bracket eleven 145, a linear slide rail pair I54 is arranged on the upright bracket eleven 145 facing a turntable, a square groove 154 is formed in the right end of the horizontal plate of the support frame 148, a clamping jaw cylinder I49 used for clamping a semi-finished circuit breaker 2 is arranged in the square groove 154, a cylinder body of the clamping jaw cylinder I49 is in transmission connection with a push rod of the cylinder I56, a clamping jaw I48 is arranged at the end of a piston rod of the clamping jaw cylinder I49, a fixing plate on the cylinder body of the clamping jaw cylinder I49 is in sliding sleeve connection with the linear slide rail pair I54, and a detection II 52 is fixed on a vertical plate at the right end of the horizontal plate of the support frame 148;

the pushing unit 147 comprises a detection unit 51, an L-shaped push plate 53 and a double-sliding-rod cylinder I59, wherein the detection unit 51 is fixed in the middle of the horizontal plate of the supporting frame 148, the L-shaped push plate 53 which moves transversely is arranged close to the detection unit 51, the L-shaped push plate 53 is in butt joint with the output end of the conveying belt I50, the L-shaped push plate 53 is in transmission connection with a push rod of the double-sliding-rod cylinder I59, and the double-sliding-rod cylinder I59 is fixed at the left end of the horizontal plate of the supporting frame 148;

when the circuit breaker works, the base 4 of the pre-installed semi-finished circuit breaker 2 is conveyed into the positioning groove 146 in front of the L-shaped push plate 53 through the first conveying belt 50, and when the first detection belt 51 detects that one base jig 12 below is in place, the first double-sliding-rod cylinder 59 pushes the L-shaped push plate 53 to push the base 4 to the square groove 154 at the right end of the horizontal plate of the supporting frame 148; when the second detection unit 52 detects that the base 4 is in place, the feeding unit 55 is started, the first air cylinder 56 drives the first clamping jaw air cylinder 49 to move downwards along the first linear sliding rail pair 54, the base 4 is clamped and then continuously moves downwards to be installed in the base jig 12 of the first station 25, and then all parts are reset;

a second vertical and compact air cylinder 60 is arranged at the left end of the horizontal plate of the support frame 148 close to the first double-sliding-rod air cylinder 59, and the lower end of a push rod of the second air cylinder 60 is connected with a pressing plate used for assembling an adjusting nut 153 at a third station 27 in the base 4 for pressing; a rotary cylinder frame 57 is arranged below the left end of the horizontal plate of the support frame 148, a rotary cylinder is arranged on the rotary cylinder frame 57, a clamping cylinder is arranged on the rotary cylinder, a second clamping jaw 58 is arranged on the clamping cylinder, and the second clamping jaw 58 is positioned above the U-shaped clamp of the lifting cylinder 139; after the adjusting nut conveying mechanism 14 conveys the clamping jaw II 58 to be clamped, the rotary cylinder rotates 180 degrees, the adjusting nut 153 is installed in the four through holes 144 in the base jig 12, and then the cylinder II 60 is vertically matched with the clamping jaw II 58 on the rotary cylinder frame 57 to be pressed tightly, so that the accurate positioning of the base 4 in the base jig 12 and the assembly of the adjusting nut 153 in the base 4 in the base jig 12 are realized.

Referring to fig. 5, the specific structure of the input portion of the nut is,

the right nut conveying mechanism 16 is structurally characterized by comprising a first vibrating disc 61 for outputting the hexagon nuts 5, wherein the outlet of the first vibrating disc 61 is in butt joint with a first rail 62 for double-linear conveying, the first rail 62 is installed on a first straight vibrating 63, the first straight vibrating 63 is installed on a support nine 64, the output end of the first rail 62 is in butt joint with one end of an output support 65, and the first rail 62 can simultaneously input two hexagon nuts 5;

the left nut conveying mechanism 15 is structurally characterized by comprising a second vibrating disc 71 used for outputting the hexagon nuts 5, the outlet of the second vibrating disc 71 is butted with a second rail 70 for double-linear conveying, the second rail 70 is installed on a second direct vibrating 68, the second direct vibrating 68 is installed on a second support 69, the output end of the second rail 70 is butted with the other end of an output support 65 of the nut lifting assembly 66, and the second rail 70 can simultaneously input the other two hexagon nuts 5;

the nut lifting assembly 66 is structurally characterized by comprising a nut U-shaped groove with a nut running on the upper surface of an output support 65, wherein the nut U-shaped groove is provided with two pairs of round holes, four hexagon nuts 5 simultaneously input from two ends are respectively positioned in one round hole, an inner push-up rod 72 is respectively arranged in a pair of round holes close to the inner side of the nut U-shaped groove, an outer push-up rod 73 is respectively arranged in a pair of round holes close to the outer side of the nut U-shaped groove, the lower ends of the two inner push-up rods 72 and the two outer push-up rods 73 are fixedly connected with a double-slide-rod push plate together, and the double-slide-rod push plate is in transmission connection with a double-slide-rod air cylinder II 67 downwards so as to ensure that the four hexagon nuts 5 are synchronously lifted upwards by the double-slide-rod push plate;

the lifting and pressing assembly 17 is structurally characterized by comprising a cylinder four 76 for pressing the hexagon nut 5, a cylinder three 74 for pressing the semi-finished circuit breaker 2 and a detection three 75, wherein the cylinder four 76, the cylinder three 74 and the detection three 75 are fixedly mounted on the same fixed frame, a push rod of the cylinder four 76 is opposite to the top ends of two inner push-lift rods 72 and the top ends of two outer push-lift rods 73 below, the cylinder three 74 is downwards aligned with the base jig 12 of the fourth station 29, and the detection three 75 is downwards aligned with the semi-finished circuit breaker 2 in the base jig 12 on the fourth station 29.

The working process of the nut input part is that when the detection device 75 detects that the base 4 is installed in place, the air cylinder three 74 compresses the semi-finished circuit breaker 2 firstly and then loosens the semi-finished circuit breaker 2, the turntable indexes the base 4 to move forward by one station, the left nut conveying mechanism 15 and the right nut conveying mechanism 16 simultaneously convey four hexagon nuts 5 into nut U-shaped grooves of the nut lifting assembly 66, the two inner lifting rods 72 and the two outer lifting rods 73 synchronously lift the four hexagon nuts 5 to move into the four inner hexagonal grooves of the base 4 through the base fixture 12, the base 4 and the four hexagon nuts 5 are lifted away from the bottom surface of the base fixture 12, the air cylinder four 76 compresses the semi-finished circuit breaker 2 downwards and falls into the base fixture 12 again, and the four hexagon nuts 5 are compressed and locked in the four inner hexagonal grooves at the bottom edge of the base 4.

Referring to fig. 6, the arc extinguishing chamber conveying mechanism 18 is used for automatic feeding of the arc extinguishing chambers 152, and the arc extinguishing chamber conveying mechanism 18 is structurally characterized by comprising a third vibrating disk 77 for vibrating and conveying the arc extinguishing chambers 152, a U-shaped straight rail groove 78 is connected to an outlet of the third vibrating disk 77, the straight rail groove 78 is installed on a third straight vibrating disk 80, an output end of the straight rail groove 78 is in butt joint with a dislocation plate 81, the dislocation plate 81 is in a U-shaped groove in a overlooking shape, the dislocation plate 81 is in transmission connection with a dislocation cylinder downwards, and the dislocation cylinder below stretches and retracts to drive the dislocation plate 81 to move up and down to realize dislocation; a rotary clamping hand 85 is arranged over the u-shaped groove of the dislocation plate 81 in a right-handed manner, the rotary clamping hand 85 is connected with a vertically telescopic cylinder six 86 in a transmission manner, a cylinder body of the cylinder six 86 is fixed on a sliding frame 84, the sliding frame 84 is sleeved on a linear sliding rail pair two 83, the linear sliding rail pair two 83 is fixed on a vertical frame 82, a horizontally pushed cylinder five 79 is fixedly installed on the vertical frame 82, and a push rod of the cylinder five 79 is connected with the sliding frame 84 in a transmission manner.

The working process of the arc-extinguishing chamber conveying mechanism 18 is that the arc-extinguishing chamber 152 is guided into the U-shaped straight rail groove 78 by the third vibrating disk 77 and enters the U-shaped groove of the dislocation plate 81, and the dislocation plate 81 pushes the arc-extinguishing chamber 152 to separate from the U-shaped groove of the dislocation plate 81 by the dislocation cylinder at the lower part of the dislocation plate 81; the rotating gripper 85 clamps the arc extinguishing chamber 152, the cylinder six 86 lifts the arc extinguishing chamber 152 to move upwards, the cylinder five 79 pushes the cylinder six 86 to move horizontally, the arc extinguishing chamber 152 moves straight along the linear slide rail pair two 83, the arc extinguishing chamber 152 is conveyed to the upper part of the base jig 12 of the eighth station 32, the cylinder six 86 moves downwards, the arc extinguishing chamber 152 clamped in the rotating gripper 85 extends into the base jig 12, and the arc extinguishing chamber 152 is assembled on the corresponding position of the base 4.

Referring to fig. 7, the arc-extinguishing chamber detecting assembly 19 includes a cylinder seven 90 vertically pushed and installed on a bracket three 87, a push rod head of the cylinder seven 90 is connected with a detection four 89, and the detection four 89 faces downwards to a mark point 88 of an arc-extinguishing chamber 152 in a base 4 in a base jig 12.

Referring to fig. 8, the structure of the arc guide plate and contact support plate press-fitting conveying mechanism 20 includes a contact support plate conveying mechanism 169, an arc guide plate conveying mechanism 156, a push-up mechanism 168, and an upper cover gripping unit 170,

the contact supporting plate conveying mechanism 169 is structured to include a conveying unit, a pressing unit, and a transfer unit; the structure of the conveying unit comprises a vibration disc six 103 and a U-shaped track 162 which are sequentially butted, the U-shaped track 162 is supported by the vibration disc six 103 and the U-shaped track 162 which are directly vibrated and conveyed on a bracket five 105, a U-shaped groove (used for pushing a cylinder 97 upwards to lift a contact supporting plate 150) is arranged at the output port of the U-shaped track 162, the output port of the U-shaped track 162 is orthogonally butted with the single-side opening of the output port of the U-shaped track 92 on the arc guide plate conveying mechanism 156,

the pressing unit comprises an air cylinder eight 93 which is vertically pushed, and the air cylinder eight 93 is arranged at the other end of the upper plate of the bracket six 106; the cylinder eight 93 is used for pressing the arc guide plate 151 and the contact support plate 150 in the base 4 after the arc guide plate 151 and the contact support plate 150 are assembled,

the transfer unit is structurally characterized by comprising a support four 104 arranged side by side with a support five 105, a push cylinder 102 is installed at one end of the upper portion of the support four 104, a linear slide rail pair three 101 is horizontally installed on the front face of the upper portion of the support four 104, a detection five 95 (used for detecting the condition that a grabbing arc guide plate 151 and a contact support plate 150 are assembled and transferred in place) is installed on the outer side of the other end of the upper portion of the support four 104, a sliding plate is sleeved in the linear slide rail pair three 101 and is in transmission connection with a push rod of the push cylinder 102, a vertically pushing cylinder nine 98 is fixedly installed on the front face of the sliding plate, a clamping cylinder 99 is installed at the end of the push rod of the cylinder nine 98, a pair of clamping jaws three 96 is installed at the end of the push rod of the clamping cylinder 99, and the pair of clamping jaws three 96 is used for clamping the contact support plate 150. The upper cover grabbing unit 170 is connected with the cylinder nine 98 into a whole and is controlled to move by the pushing cylinder 102. The multi-stroke pushing cylinder 102 controls the upper cover grabbing unit 170 to grab the upper cover 3 on the second fixture 158 and place the upper cover into the base 4 of the eleventh station 35, i.e. the first base fixture;

the arc guide plate conveying mechanism 156 is structurally characterized by comprising a vibrating disc five 155 and a U-shaped rail 92 which are sequentially butted, wherein the U-shaped rail 92 is installed on a direct vibrating five 167, the output port of the U-shaped rail 92 is orthogonally butted with the single-side opening of the output port of the U-shaped rail 162 on the contact support plate conveying mechanism 169, so that the arc guide plate 151 output by the U-shaped rail 92 is ensured to be just output and superposed on the contact support plate 150 output by the U-shaped rail 162;

the push-up mechanism 168 has a structure comprising a cylinder push-up unit 94 and a cylinder ten 100, wherein a push-up cylinder 97 in the cylinder push-up unit 94 passes through an output port of the U-shaped rail 162 and is provided with a U-shaped groove for jacking the contact support plate 150; the cylinder push-up unit 94 is structurally characterized by comprising an L-shaped plate and a vertical linear guide rail sliding frame which are arranged on a support five 105, wherein the L-shaped plate is arranged above the vertical linear guide rail sliding frame, a square hole of a clamping contact supporting plate 150 is formed in the L-shaped plate, an upper step is arranged in the square hole and is an L-shaped step, two inlet ports of the L-shaped step are respectively over against a direct vibration five 167 of an arc guide plate conveying mechanism 156 and a direct vibration six (not shown) of the contact supporting plate 150, a push-up cylinder 97 is arranged below the square hole of the L-shaped plate, the push-up cylinder 97 is connected with a fixed plate of the vertical linear guide rail sliding frame, the fixed plate is in transmission connection with an upper top cylinder 94 arranged below the L-shaped plate, and a detection five 95 is arranged in front of the L-shaped plate; the cylinder ten 100 is arranged at one end of an upper plate of the bracket six 106, and the upward pushing cylinder 97 is upwards opposite to a circular pressing head at the lower end of a pushing rod of the cylinder ten 100 which is vertically pushed;

the working process of the arc guide plate and contact support plate assembly conveying mechanism 20 is that the contact support plate 150 is input to an output port of the U-shaped rail 162 from the vibration disc six 103 and is output to a square hole in an L-shaped plate of the cylinder push-up unit 94 along direct vibration; the arc guide plate 151 is conveyed to the U-shaped rail 92 by the vibrating disc five 155, and then is output to the contact support plate 150 in the square hole in the L-shaped plate of the cylinder push-up unit 94 along the output port of the U-shaped rail 92, the push rod of the cylinder ten 100 drives the circular pressure head to compact the arc guide plate 151 and the contact support plate 150, after the assembly of the arc guide plate 151 and the contact support plate 150 is completed, the cylinder nine 98 leads a pair of clamping jaws three 96 on the end of the push rod of the clamping cylinder 99, descends and clamps the press-fitting semi-finished product of the arc guide plate 151 and the contact support plate 150, then ascends and moves the press-fitting semi-finished product to the eleventh station 35 by the push-push cylinder 102, the five 95 detects whether the arc guide plate 151 exists, if the subsequent station is vacant, if the post station is not in operation, if the cylinder nine 98 loads the press-fitting semi-finished product of the arc guide plate 151 and the contact support plate 150 clamped by the pair of clamping jaws three 96 into the base 4 in the base 12 of the eleventh station 35, after each component is reset, and the cylinder eight 93 resets the press-fitting semi-finished product after being pressed tightly in the base 4, and the press-fitting assembly of the arc guide plate 151 and the contact supporting plate 150 is completed.

Referring to fig. 9, the screw locking mechanism 21 is structured to include a fixed box frame 108, an eleventh air cylinder 107 horizontally pushed is installed at an outer side of one end of the box frame 108, a double-row linear guide rail pair 110 and a linear slide rail pair four 109 are horizontally arranged in an inner space of the box frame 108, an L-shaped sliding plate is slidably installed on the double-row linear guide rail pair 110 and the linear slide rail pair four 109, and the L-shaped sliding plate is in transmission connection with a push rod of the eleventh air cylinder 107; a rotary cylinder 111 is arranged on the L-shaped sliding plate, and a Z-shaped frame 112 is fixedly arranged on a rotary push rod of the rotary cylinder 111 and used for realizing the horizontal rotation of the Z-shaped frame 112; the vacuum suction nozzle fixing plate is characterized in that a pair of vacuum suction nozzle fixing plates are arranged at the lower end of the front face of a vertical plate of the Z-shaped frame 112, a vacuum suction nozzle 113 is respectively fixed on the lower surfaces of the vacuum suction nozzle fixing plates, a linear slide rail pair five 115 is vertically arranged on the front face of the vertical plate of the Z-shaped frame 112, an upper fixing sleeve 114 is slidably arranged in the linear slide rail pair five 115, a vertically pushed cylinder twelve 117 is arranged at the upper end of the front face of the vertical plate of the Z-shaped frame 112, a lower fixing sleeve plate is arranged at the lower end of the Z-shaped frame 112, the upper fixing sleeve 114 is in transmission connection with a push rod of the cylinder twelve 117, an electric screwdriver 116 is arranged on each upper fixing sleeve 114, and a screwdriver 118 is arranged at the lower end of each electric screwdriver 116. The two electric screwdriver bits 116 and their two screwdrivers 118 are together referred to as a double-head screw locking pair 7, and the double-head screw locking pair 7 is part of the screw locking mechanism 21.

The screw locking mechanism 21 works in such a way that the cylinder eleven 107 drives the rotary cylinder 111 to translate, the pair of electric screws 116 on the Z-shaped frame 112 and the pair of vacuum suction nozzles 113 at the lower end translate to the pan head screws 6 (not shown in the figure) conveyed in four ways, and the two screw drivers 118 respectively enter the pair of vacuum suction nozzles 113 corresponding to the lower part; the air cylinder twelve 117 is provided with a pair of vacuum suction nozzles 113 to be right above the dislocation push-up mechanism of the pan head screw 6, and the push-up air cylinder below the dislocation push-up mechanism of the pan head screw 6 pushes the pan head screw 6 into the pair of vacuum suction nozzles 113 and then resets; after the dislocation push-up mechanism of the pan head screw 6 pushes up the pan head screw 6, a stop block at the dislocation push-up mechanism of the pan head screw 6 stops the subsequent pan head screw 6, and after the dislocation push-up mechanism of the pan head screw 6 is reset downwards, the next pair of pan head screws 6 enter the dislocation push-up mechanism of the pan head screw 6 again to prepare for the suction of the next screw locking pair; after the pair of pan head screws 6 are sucked by the pair of vacuum suction nozzles 113 on the cylinder twelve 117, the pair of pan head screws 6 are sucked by the pair of vacuum suction nozzles 113 under the pair of electric screwdriver 116 by the cylinder eleven 107, the upper cover 3 at the thirteenth station 37 is moved to the position corresponding to the assembly body of the semi-finished circuit breaker 2, the pair of electric screwdriver 116 which is pushed to rotate by the cylinder twelve 117 descends, the pair of rotary screwdrivers 118 on the pair of electric screwdriver 116 flee into the vacuum suction nozzles 113, the pair of screwdrivers 118 rotationally fasten the pair of pan head screws 6, and the pair of pan head screws 6 in the upper cover 3 and the pair of hexagon nuts 5 in the semi-finished circuit breaker 2 are locked;

then, the screw locking mechanism 21 repeats the above procedures and processes, after the cylinder eleven 107 on the screw locking mechanism 21 sucks another pair of pan head screws 6 from the pair of vacuum suction nozzles 113 under the pair of electric screwdriver 116, the rotary cylinder 111 rotates to the same angle as that of another pair of through holes without locking the upper cover 3 and the base 4, and moves to the corresponding through holes on the upper cover 3 and the base 4 assembly at the thirteenth station 37, the rotary pair of electric screwdriver 116 is pushed by the cylinder twelve 117 to descend, the rotary pair of screw drivers 118 on the pair of electric screwdriver 116 flees into the vacuum suction nozzles 113, the pair of screw drivers 118 rotationally identify the other pair of pan head screws 6, and the cylinder twelve 117 locks the upper cover 3 and the base 4 with the other pair of pan head screws 6; the screw locking mechanism 21 completes the locking of the four pan-head screws 6 of the upper cover 3 and the four hexagon nuts 5 of the base 4.

Referring to FIG. 10, the lid feeder mechanism 24 is substantially similar in construction to the product outfeed mechanism 22, as briefly described below:

the finished product discharging mechanism 22 is structurally characterized by comprising a support seven 121, a conveyor belt two 119 is arranged beside the support seven 121, the conveyor belt two 119 is supported on a support column one 127 and a support column two 128, the support seven 121, the support column one 127 and the support column two 128 are fixed into a whole through a connecting plate 130, baffles 129 are distributed on two edges of the upper surface of the conveyor belt two 119, a double-slide-rod sliding table 122 is horizontally arranged on the support seven 121, a vertically-pushed cylinder thirteen 124 is slidably arranged in a slide rail 131 of the double-slide-rod sliding table 122, a clamping jaw cylinder two 126 is arranged at the lower end of a push rod of the cylinder thirteen 124, a clamping jaw four 123 is arranged at the lower end of the push rod of the clamping jaw cylinder two 126, and a suction nozzle is arranged at the foremost end of the clamping jaw four 123, so as to form a set of three-axis mechanical claw;

the structure of the upper cover feeding mechanism 24 is basically the same as that of the finished product discharging mechanism 22, another set of three-axis mechanical claw is arranged on the bracket eight 125, and in addition, the outer end of the third conveying belt 120 and the outer end of the second conveying belt 119 which are arranged beside the bracket eight 125 are arranged in a triangular shape.

When the pair of electric screwdriver 116 judges that the locking screw torque force of the pan head screw 6 is abnormal according to the preset torque force value during operation, namely the assembly is unqualified, a suction nozzle on a three-axis mechanical claw on the finished product discharging mechanism 22 sucks an unqualified mark (not shown in the figure), the unqualified mark is adhered to the upper cover 3 of the assembly component, and the assembly component is taken out and output to an unqualified product collecting box; if the assembly is qualified, the certification is pasted on the upper cover 3 of the assembly component (not shown in the figure), and the assembly component is called a finished product sample, and the finished product sample is taken out by the finished product discharging mechanism 22 and output to the finished product collecting box.

The specific process is that the clamping jaw cylinder II 126 drives the clamping jaw IV 123 to clamp the assembly of the upper cover 3 and the base 4, the cylinder thirteen 124 takes the assembly of the upper cover 3 and the base 4 to rise, the double-slide-rod sliding table 122 takes the clamping jaw cylinder II 126 to drive the clamping jaw IV 123, and the upper cover 3 and the base 4 are clamped; the turntable assembly 11 rotates 22.5 degrees, the base jig 12 on the turntable assembly 11 carries the upper cover 3 and the finished product sample of the base 4 to shift to the fifteenth station 39, and the other set of three-axis mechanical claw hands place the finished product sample on the third conveying belt 120 for outputting.

All the action parts are connected with a master controller, and are coordinated and matched according to a preset program to jointly complete the assembly and locking of related parts in the miniature circuit breaker 1, and timely complete the automatic detection of related stations to obtain finished product samples, and finally realize the online sorting and automatic classification output of qualified products and unqualified products.

The mechanisms or components of the present invention not described in detail in the foregoing structural modes are all prior art devices, and cooperate with the above innovative mechanisms or components of the present invention to accomplish the objectives of the present invention.

The working process of the system of the invention is as follows:

the base jig 12 located on the first station 25 in the initial state is referred to as a first base jig, the first base jig rotates counterclockwise to stop at sixteen base stations in turn to complete the related operations of the base stations, the subsequent second base jig and third base jig … … repeat all the operation processes of the first base jig in turn, and the following description is given according to the walking and operation processes of the first base jig,

the equipment is started to operate, firstly, at the fourteenth station 38, the upper cover 3 is loaded into the second jig 158 of the upper cover input station 157 by the upper cover feeding mechanism 24 (eight upper cover jigs 9 are arranged anticlockwise, the upper cover jig 9 corresponding to the first station 25 is the first jig, and the latter upper cover jig 9 is called the second jig 158); the upper cover 3 synchronously rotates anticlockwise along with the upper cover input station 157 until the upper cover rotates anticlockwise to the position inside the eleventh station 35, and the upper cover output station 171 is called;

the semi-finished circuit breaker 2, the base 4, the upper cover 3, the hexagon nut 5, the pan head screw 6, the contact supporting plate 150, the arc guide plate 151, the arc extinguishing cover 152 and the adjusting nut 153 realize output through respective vibration plates, the semi-finished circuit breaker 2 in the base 4 is opened upwards and is input to an L-shaped push plate 53 above a base jig of the second station 26 along a first conveying belt 50, a double-sliding-rod cylinder 59 pushes the base 4 to the upper part of the first station 25 through the L-shaped push plate 53, when the first detection part 51 detects that the base 4 is in place, the first air cylinder 56 pushes the first clamping jaw air cylinder 49 to move downwards along the first linear sliding rail pair 54, the clamping jaws on the first clamping jaw air cylinder 49 clamp the base 4 on the L-shaped push plate 53, when the clamping jaw on the clamping jaw cylinder I49 clamps the base 4, the cylinder I56 drives the second stroke to drive the clamping jaw on the clamping jaw cylinder I49, and the clamping base 4 is conveyed into the first station No. 25 base jig and clamped; the L-shaped push plate 53 is pulled back to the original position by the double-sliding-rod cylinder I59, the next base 4 is pushed into the L-shaped push plate 53 by the conveyer belt I50, and the pushing and feeding are repeated;

11 graduation of carousel subassembly rotates 22.5 degrees, and a base tool on the carousel subassembly 11 takes semi-manufactured goods circuit breaker 2 and base 4 to carry out the process transposition, and in station dwell time, the operation that every station corresponds is accomplished to base 4 on each base tool as follows:

at a first station 25, the base conveying mechanism 13 loads the base 4 of the pre-installed semi-finished circuit breaker 2 into a first base jig;

at the second station 26, the empty space is not operational;

at the third station 27, the adjusting nut conveying mechanism 14 completes assembly of the U-shaped clamping groove of the base 4 on the first base jig and the adjusting nut 153;

at the fourth station 28, the left nut conveying mechanism 15 and the right nut conveying mechanism 16 jointly complete the hexagonal nuts 5 input into the four inner hexagonal grooves in the bottom surface of the base 4, and are tightly pressed by the cylinder four 76, and then the detection operation of the assembly quality of the U-shaped clamping groove of the base 4 on the first base jig and the adjusting nut 153 is completed; in the detection process, the third air cylinder 74 drives the third detection device 75 to move downwards to detect the height of the adjusting nut 153 on the first base jig, and if the height is not qualified, the subsequent processes do not operate, and the height is directly rotated to the unqualified process for output; if the height is detected to be qualified, the operation is carried out to a fifth station 29;

at a fifth station 29, the lifting and pressing assembly 17 presses the base 4 and the adjusting nut 153 in the first base jig;

in the sixth station 30, the base 4 and the adjusting nut 153 in the first base jig are idle;

in the seventh station 31, the base 4 and the adjusting nut 153 in the first base jig, and the nut detecting unit 44 below the base jig detects the adjusting nut 153;

at the eighth station 32, the arc-extinguishing chamber conveying mechanism 18 assembles the arc-extinguishing chamber 152 into the U-shaped groove of the base 4 in the first base jig;

in the ninth station 33, the base 4 and the adjusting nut 153 in the first base jig are idle;

at the tenth station 34, the arc-extinguishing chamber detection assembly 19 performs detection operation on the arc-extinguishing chamber 152 in the first base jig; the seventh cylinder 90 drives the fourth detection device 89 in the mounting frame 90 to move downwards to detect the height of the arc extinguishing chamber 152 on the first base jig, and if the arc extinguishing chamber is unqualified, the subsequent process is not operated, and the arc extinguishing chamber is output to the unqualified process; if the height is detected to be qualified, the next station is switched to;

at an eleventh station 35, the arc guide plate and contact support plate press-fitting conveying mechanism 20 is assembled on a U-shaped groove of the base 4 in the first base jig; the arc guide plate and the contact support plate are pressed on the upper cover grabbing unit 170 on the conveying mechanism 20 and are controlled to move by the pushing cylinder 102. The multi-stroke pushing cylinder 102 controls the upper cover grabbing unit 170, the second jig 158 of the upper cover output station 171 grabs the upper cover 3, and the upper cover is loaded on the eleventh station 35, i.e. the first base jig base 4;

in the twelfth station 36, detecting and press-fitting are carried out on the U-shaped groove of the base 4 in the first base jig (the upper cover 3 is assembled to the first base jig from the second base jig 158 of the upper cover output station 171);

in a thirteenth station 37, the screw locking mechanism 21 completes locking on four pan-head screws 6 and corresponding four hexagon nuts 5 in the first base jig upper cover 3 and the base 4;

in the fourteenth station 38, the first base jig is not in idle operation, and the upper cover 3 is loaded into the second upper cover input station 157 jig 158; the upper cover 3 rotates anticlockwise to the next station along with the second jig 158;

at a fifteenth station 39, the finished product discharging mechanism 22 picks qualified finished product samples in the first base jig and then conveys the samples to a conveyor belt for output; the upper cover 3 rotates anticlockwise to the next station along with the second jig 158;

at the sixteenth station 40, the first base jig is not in operation in the vacant position. The upper cover 3 rotates counterclockwise to the next station along with the second fixture 158.

Claims (6)

1. The utility model provides an automatic equipment locking production line for miniature circuit breaker which characterized in that: a rotary table component (11) is arranged in the middle of a rack table top (10), sixteen base stations and eight upper cover stations are uniformly distributed on the rotary table component (11) in an indexing manner, a base jig (12) is arranged on each of the sixteen base stations, and an upper cover jig (9) is arranged on each of the eight upper cover stations;

a feeding unit (55) in the base conveying mechanism (13) is arranged close to the first station (25); the second station (26) is a vacant position, and a first conveying belt (50) and a pushing unit (147) in the base conveying mechanism (13) are arranged close to the second station (26); an adjusting nut conveying mechanism (14) is arranged close to the third station (27); a nut input part is arranged between the fourth station (28) and the sixth station (30), wherein the left nut conveying mechanism (15) is arranged below the fourth station (28), the lifting and pressing assembly (17) is arranged above the fourth station (28), the nut lifting assembly (66) of the nut input part is arranged below the fifth station (29), the sixth station (30) is a vacant position, and the right nut conveying mechanism (16) is arranged below the sixth station (30); a nut detection unit (44) is arranged close to the seventh station (31); an arc extinguishing chamber conveying mechanism (18) is arranged close to the eighth station (32); the ninth station (33) is vacant; an arc extinguishing chamber detection assembly (19) is arranged close to the tenth station (34); an arc guide plate and contact supporting plate press-fitting conveying mechanism (20) is arranged close to the eleventh station (35); a secondary press-fitting assembly is arranged close to the twelfth station (36); a screw locking mechanism (21) is arranged close to the thirteenth station (37); the fourteenth station (38) is a vacant position, and an upper cover feeding mechanism (24) is arranged close to the fourteenth station (38); a finished product discharging mechanism (22) is arranged close to the fifteenth station (39); the sixteenth station (40) is vacant;

the base conveying mechanism (13) comprises a first conveying belt (50), a feeding unit (55) and a pushing unit (147),

the feeding unit (55) comprises a vertical support eleven (145), the support eleven (145) is fixed at the right end of a horizontal plate of a support frame (148), a cylinder I (56) is arranged at the upper end of the support eleven (145), a linear slide rail pair I (54) is arranged on the support eleven (145) in a way of facing a turntable, a square groove (154) is formed in the right end of the horizontal plate of the support frame (148), a clamping jaw cylinder I (49) is arranged in the square groove (154), a cylinder body of the clamping jaw cylinder I (49) is in transmission connection with a push rod of the cylinder I (56), a clamping jaw I (48) is installed at the end of a piston rod of the clamping jaw cylinder I (49), a fixing plate on the cylinder body of the clamping jaw cylinder I (49) is in sliding sleeve connection with the linear slide rail pair I (54), and a detection II (52) is fixed on a vertical plate at the right end of the horizontal plate of the support frame (148),

the pushing unit (147) comprises a first detection unit (51), an L-shaped push plate (53) and a first double-sliding-rod cylinder (59), the first detection unit (51) is fixed at the middle position of a horizontal plate of the support frame (148), the L-shaped push plate (53) which moves transversely is arranged close to the first detection unit (51), the L-shaped push plate (53) is in butt joint with the output end of the first conveying belt (50), the L-shaped push plate (53) is in transmission connection with a push rod of the first double-sliding-rod cylinder (59), and the first double-sliding-rod cylinder (59) is fixed at the left end of the horizontal plate of the support frame (148);

the adjusting nut conveying mechanism (14) is structurally characterized by comprising a vibration disc IV (133), wherein the vibration disc IV (133) is in butt joint with a U track IV (134), the output end of the U track IV (134) is in butt joint with a material separating rod, and the material separating rod is driven by an air cylinder on a material separating frame (135); the output end of the U rail IV (134) is butted with a U-shaped clamp of a lifting cylinder (139), the lifting cylinder (139) is installed on a fixed support (138), and the fixed support (138) is supported and fixed by a support nine (136); a clamping cylinder (142) and a detection six (141) are arranged on the right side of the fixed support (138), and a lifting rod (137) is installed at the end of a piston rod of the clamping cylinder (142); a bracket ten (143) is further arranged on the right side of the fixed bracket (138), a bolt lifting cylinder (140) is arranged below the bracket ten (143), and a bolt is arranged at the end of a piston rod of the bolt lifting cylinder (140) and is aligned with four through holes (144) of the base (4) upwards;

the right nut conveying mechanism (16) is structurally characterized by comprising a first vibrating disc (61), an outlet of the first vibrating disc (61) is in butt joint with a first rail (62) for double-linear conveying, the first rail (62) is installed on a first straight vibrating (63), the first straight vibrating (63) is installed on a first support (64), an output end of the first rail (62) is in butt joint with one end of an output support (65),

the left nut conveying mechanism (15) is structurally characterized by comprising a second vibrating disc (71), a second rail (70) for double-linear conveying is butted at the outlet of the second vibrating disc (71), the second rail (70) is installed on a second direct vibrating disc (68), the second direct vibrating disc (68) is installed on a second bracket (69), the output end of the second rail (70) is butted with the other end of an output bracket (65) of a nut lifting assembly (66),

the nut lifting assembly (66) is structurally characterized by comprising a nut U-shaped groove arranged on the upper surface of an output support (65), two pairs of round holes are formed in the nut U-shaped groove, four hexagon nuts (5) input from two ends simultaneously are respectively positioned in one round hole, an inner push-up rod (72) is respectively arranged in a pair of round holes close to the inner side of the nut U-shaped groove, an outer push-up rod (73) is respectively arranged in a pair of round holes close to the outer side of the nut U-shaped groove, the lower ends of the two inner push-up rods (72) and the two outer push-up rods (73) are fixedly connected with a double-slide-rod push plate together, and the double-slide-rod push plate is downwards in transmission connection with a double-slide-rod air cylinder II (67),

the lifting and pressing assembly (17) is structurally characterized by comprising a cylinder IV (76), a cylinder III (74) and a detection III (75), wherein the cylinder IV (76), the cylinder III (74) and the detection III (75) are fixedly arranged on the same fixed frame, a push rod of the cylinder IV (76) is opposite to the top ends of two inner push-up rods (72) and two outer push-up rods (73) below, the cylinder III (74) is downwards aligned with a base jig (12) of a fourth station (28), and the detection III (75) is downwards aligned with a semi-finished circuit breaker (2) in the base jig (12) on the fourth station (28);

the arc extinguishing shield conveying mechanism (18) structurally comprises a third vibrating disc (77), the outlet of the third vibrating disc (77) is connected with a U-shaped straight rail groove (78), the straight rail groove (78) is installed on a third straight vibrating disc (80), the output end of the straight rail groove (78) is butted with a dislocation plate (81), the dislocation plate (81) is in a U-shaped groove in overlooking shape, and the dislocation plate (81) is in transmission connection with a dislocation cylinder downwards; the U-shaped groove top of dislocation board (81) just is being equipped with rotatory tong (85), rotatory tong (85) upwards is connected with vertical flexible cylinder six (86) transmission, the cylinder body of cylinder six (86) is fixed on carriage (84), carriage (84) suit is on the vice two (83) of linear slide rail, the vice two (83) of linear slide rail are fixed on grudging post (82), fixed mounting has cylinder five (79) that the level was passed on grudging post (82), the push rod and carriage (84) transmission of cylinder five (79) are connected.

2. The automatic assembly locking production line for miniature circuit breakers according to claim 1, characterized in that: the structure of the arc guide plate and contact support plate press-fitting conveying mechanism (20) comprises a contact support plate conveying mechanism (169), an arc guide plate conveying mechanism (156), an upward pushing mechanism (168) and an upper cover grabbing unit (170),

the structure of the contact supporting plate conveying mechanism (169) is that the contact supporting plate conveying mechanism comprises a conveying unit, a pressing unit and a transferring unit; the conveying unit comprises a vibration disc II (103) and a U-shaped track II which are sequentially butted, the U-shaped track II is supported by the direct vibration disc II on a support frame II (105), a U-shaped groove is formed in the output port of the U-shaped track II, the output port of the U-shaped track II is orthogonally butted with the single-side opening of the output port of the U-shaped track I (92) on the arc guide plate conveying mechanism (156),

the pressing unit comprises an eight (93) air cylinder which is vertically pushed, and the eight (93) air cylinder is arranged at the other end of the upper plate of the six (106) bracket;

the transfer unit is structurally characterized by comprising a support four (104) arranged side by side with a support five (105), wherein one end of the upper part of the support four (104) is provided with a pushing cylinder (102), the front surface of the upper part of the support four (104) is horizontally provided with a linear slide rail pair three (101), the outer side of the other end of the upper part of the support four (104) is provided with a detection five (95), a sliding plate is sleeved in the linear slide rail pair three (101), the sliding plate is in transmission connection with a push rod of the pushing cylinder (102), a vertically pushing cylinder nine (98) is fixedly arranged on the front surface of the sliding plate, the end of the push rod of the cylinder nine (98) is provided with a clamping cylinder (99), and the end of the push rod of the clamping cylinder (99) is provided with a pair of clamping jaws three (96); the upper cover grabbing unit (170) is connected with the cylinder nine (98) into a whole and is controlled to move by the pushing cylinder (102).

3. The automatic assembly locking production line for miniature circuit breakers according to claim 2, characterized in that: the arc guide plate conveying mechanism (156) is structurally characterized by comprising a vibration disc five (155) and a U-shaped track one (92) which are sequentially butted, wherein the U-shaped track one (92) is installed on a straight vibration disc five (167), and the output port of the U-shaped track one (92) is orthogonally butted with the single-side opening of the output port of the U-shaped track two on the contact support plate conveying mechanism (169).

4. The automatic assembly locking production line for miniature circuit breakers according to claim 2, characterized in that: the push-up mechanism (168) is structurally characterized by comprising an air cylinder push-up unit (94) and an air cylinder ten (100), wherein a push-up cylinder (97) in the air cylinder push-up unit (94) penetrates through the output ports of the U-shaped rails and is provided with a U-shaped groove;

the cylinder push-up unit (94) is structurally characterized by comprising a support five (105) provided with an L-shaped plate and a vertical linear guide rail sliding frame, wherein the L-shaped plate is arranged above the vertical linear guide rail sliding frame, a square hole of a clamping contact supporting plate (150) is formed in the L-shaped plate, the square hole is provided with an upper step, the upper step is an L-shaped step, two inlet ports of the L-shaped step are respectively over against a direct vibration five (167) of an arc guide plate conveying mechanism (156) and a direct vibration six of the contact supporting plate (150), a push-up cylinder (97) is arranged below the square hole of the L-shaped plate, the push-up cylinder (97) is connected with a fixed plate of the vertical linear guide rail sliding frame, the fixed plate is in transmission connection with a top cylinder arranged below the L-shaped plate, and a detection five (95) is arranged in front of the L-shaped plate; the cylinder ten (100) is arranged at one end of the upper plate of the bracket six (106), and the upward pushing cylinder (97) is opposite to the circular pressure head at the lower end of the push rod of the cylinder ten (100) which is vertically pushed.

5. The automatic assembly locking production line for miniature circuit breakers according to claim 1, characterized in that: the arc-extinguishing chamber detection assembly (19) is structurally characterized by comprising a cylinder seven (90) vertically pushed on a support three (87), wherein a push rod head of the cylinder seven (90) is connected with a detection four (89), and the detection four (89) downwards just faces a mark point (88) of an arc-extinguishing chamber (152) in a base (4) in a base jig (12).

6. The automatic assembly locking production line for miniature circuit breakers according to claim 1, characterized in that: the screw locking mechanism (21) is structurally characterized by comprising a fixed box-shaped frame (108), wherein a horizontally pushed cylinder eleven (107) is installed on the outer side of one end of the box-shaped frame (108), a double-row linear guide rail pair (110) and a linear slide rail pair IV (109) are horizontally arranged in the inner space of the box-shaped frame (108), an L-shaped sliding plate is installed on the double-row linear guide rail pair (110) and the linear slide rail pair IV (109) in a sliding manner, and the L-shaped sliding plate is in transmission connection with a push rod of the cylinder eleven (107); a rotary cylinder (111) is arranged on the L-shaped sliding plate, and a Z-shaped frame (112) is fixedly arranged on a rotary push rod of the rotary cylinder (111);

the front lower end of the vertical plate of the Z-shaped frame (112) is provided with a pair of vacuum suction nozzle fixing plates, the lower surfaces of the pair of vacuum suction nozzle fixing plates are respectively fixed with a vacuum suction nozzle (113), the front of the vertical plate of the Z-shaped frame (112) is vertically provided with five linear slide rail pairs (115), the five linear slide rail pairs (115) are provided with an upper fixing sleeve (114) in a sliding manner, the front upper end of the vertical plate of the Z-shaped frame (112) is provided with twelve vertically pushed cylinders (117), the lower end of the Z-shaped frame (112) is provided with a lower fixing sleeve plate, the upper fixing sleeve (114) is in transmission connection with push rods of the twelve cylinders (117), each upper fixing sleeve (114) is provided with an electric screwdriver (116), and the lower end of each electric screwdriver (116) is provided with a screwdriver (118).

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