CN114273924B - Automatic riveting and polishing production line for movable iron cores - Google Patents
Automatic riveting and polishing production line for movable iron cores Download PDFInfo
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- CN114273924B CN114273924B CN202111651997.3A CN202111651997A CN114273924B CN 114273924 B CN114273924 B CN 114273924B CN 202111651997 A CN202111651997 A CN 202111651997A CN 114273924 B CN114273924 B CN 114273924B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 187
- 238000005498 polishing Methods 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000005452 bending Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Abstract
The invention relates to an automatic riveting and polishing production line for a movable iron core, which comprises a frame, a workpiece conveying track, a rivet feeding unit, a rivet riveting unit, a workpiece chamfering unit and a workpiece polishing unit, wherein the workpiece conveying track is positioned on the frame; the workpiece conveying track has: the device comprises a conveying rail a for conveying horizontal iron core workpieces, a conveying rail b for conveying vertical iron core workpieces, and a bending guide rail positioned between the two conveying rails, wherein a rivet feeding unit, a rivet riveting unit and a workpiece chamfering unit are arranged corresponding to the conveying rail a, and a workpiece polishing unit is arranged corresponding to the conveying rail b; the rivet feeding unit comprises a rivet feeding seat for feeding rivets to the upper part of the iron core workpiece to be processed and a pushing rod for pushing the rivets down into corresponding riveting holes on the iron core workpiece; the rivet riveting unit comprises a riveting rod for riveting the iron core workpiece with the rivet. The full-automatic machining mode of the instrument is adopted, the efficiency is high, the assembly positions of all workpiece rivets can be effectively ensured to be consistent, and the product precision is high.
Description
Technical Field
The invention relates to the technical field of movable iron core processing, in particular to an automatic riveting and polishing production line for a movable iron core.
Background
The movable iron core of the current contactor is formed by superposing a plurality of iron core sheets in an M shape and then riveting, and the movable iron core 1 ， Having flat core plates 11 ， Integrally provided with a core plate 11 ， Three groups of core blocks 12 ， Respectively a middle iron core block and end iron core blocks positioned at two ends of the iron core plate, and two iron core grooves 13 are formed ， Three sets of core blocks 12 ， All have rivet holes 14 thereon ， The rivet a is riveted on the iron core blocks at the two ends, the rivet b is riveted on the iron core block at the middle part, and the diameter of the rivet b is smaller than that of the rivet a. Above-mentioned processing of moving iron core stacks equipment, iron core riveting equipment, iron core grinding equipment and carries out processing operation respectively, iron core stacks equipment and is used for realizing stacking of a plurality of iron core pieces, form the iron core work piece, the iron core work piece is lying at this moment, the riveting hole is up, iron core riveting equipment carries out the rivet riveting with the iron core work piece, after the riveting with the iron core work piece upset for the iron core work piece is standing, the iron core end piece of this moment up, then through iron core grinding equipment, with the middle part iron core piece of iron core work piece and the surface of both ends iron core piece of iron core work piece polish, each mutually independent work, during the processing, need carry out the processing operation again after the exchange of putting through the getting between each equipment of iron core work piece, the cost of labor is high, and inefficiency.
Disclosure of Invention
The purpose of the invention is that: in order to overcome the defects of the prior art, the invention provides an automatic riveting and polishing production line, iron core workpieces are automatically conveyed among devices, automatic work is realized, and the production efficiency is high.
The technical scheme of the invention is as follows: the automatic riveting and polishing production line for the movable iron core comprises a frame, a workpiece conveying rail positioned on the frame, a rivet feeding unit, a rivet riveting unit, a workpiece chamfering unit and a workpiece polishing unit;
the workpiece conveying track has: the device comprises a conveying rail a for conveying horizontal iron core workpieces, a conveying rail b for conveying vertical iron core workpieces and a bending guide rail positioned between the two conveying rails, wherein the guide rail is used for guiding the horizontal iron cores output by the conveying rail a to vertical, a rivet feeding unit, a rivet riveting unit and a workpiece chamfering unit are arranged corresponding to the conveying rail a, and a workpiece polishing unit is arranged corresponding to the conveying rail b;
the rivet feeding unit comprises a rivet feeding seat for feeding rivets to the upper part of the iron core workpiece to be processed and a pushing rod for pushing the rivets down into corresponding riveting holes on the iron core workpiece;
the rivet riveting unit comprises a riveting rod for riveting an iron core workpiece with a rivet;
the workpiece chamfering unit comprises an upper chamfering seat, a lower chamfering seat and a supporting block, wherein the upper chamfering seat and the lower chamfering seat are used for chamfering two ends of each iron core block respectively, the supporting blocks are positioned on the conveying rail a and can be pressed downwards, the two chamfering seats are respectively provided with chamfering cavities, the chamfering cavities of the lower chamfering seat are covered by the supporting block and are used for supporting the iron core workpiece, the width of the supporting block is smaller than that of the chamfering cavity of the lower chamfering seat, when the upper chamfering seat is pressed downwards to chamfer the workpiece, the supporting block is pressed downwards to the chamfering cavity on the lower chamfering seat along with the iron core workpiece, and an elastic piece for upwards resetting the supporting block is arranged in the chamfering cavity;
the workpiece polishing unit comprises an adjusting piece for correcting the vertically placed iron core workpiece and polishing wheels for polishing the surfaces of iron core blocks of the adjusted iron core workpiece.
By adopting the technical scheme, the iron core workpiece is conveyed to each processing unit on the workpiece conveying rail for processing, the operation is convenient, the horizontally placed iron core workpiece is sequentially subjected to rivet feeding, riveting and chamfering and then is output, and the horizontally placed iron core workpiece is guided to be vertically placed through the guide rail, so that the iron core workpiece on the conveying rail b is vertically placed, and is polished by the polishing wheel after being corrected by the adjusting piece. The full-automatic machining mode of the instrument is adopted, the efficiency is high, the assembly positions of all workpiece rivets can be effectively ensured to be consistent, and the product precision is high.
Still further, the present invention provides: the rivet feeding unit also comprises a first fixing seat, a first driving piece for driving the rivet feeding seat to slide to the lower part of the pushing rod and a second driving piece for driving the pushing rod to lift, wherein the rivet feeding seat is provided with a rivet feeding sleeve, the rivet feeding seat is pushed to slide by the first driving piece, the rivet feeding sleeve is correspondingly positioned under the pushing rod, and rivets in the rivet feeding sleeve are driven by the pushing rod to be pushed into riveting holes of iron core workpieces below by the second driving piece.
By adopting the further arrangement, the rivet feeding unit is simple in structure, firstly, rivets are fed into the rivet feeding sleeve, then the rivet feeding seat with the rivets is pushed by the first driving piece to slide below the pushing rod, and the pushing rod is driven by the second driving piece to downwards feed the rivets in the rivet feeding sleeve into the riveting holes of the iron core workpiece.
Still further, the present invention provides: the machine frame is also provided with a U-shaped positioning head capable of positioning the iron core workpiece to be subjected to rivet feeding, and two support legs of the U-shaped positioning head are driven by a third driving piece to be inserted into grooves corresponding to the iron core workpiece, so that the iron core workpiece is positioned during rivet feeding.
By adopting the further arrangement, when the rivet is fed, the third driving piece drives the positioning head to slide, so that the two support legs of the U-shaped positioning head are inserted into the grooves corresponding to the iron core workpieces, the iron core workpieces are positioned, and when the rivet is fed, the iron core workpieces are correct in position and not easy to deviate due to stress.
Still further, the present invention is provided with: the rivet riveting unit also comprises a second fixing seat, a riveting platform, a buffering platform, a riveting block and a fourth driving piece for driving the riveting platform to lift, wherein the riveting rod is arranged in the riveting block in a penetrating manner and is fixedly connected with the riveting platform, the riveting block is integrally or fixedly connected to the buffering platform, and an elastic buffering piece is arranged between the buffering platform and the riveting platform.
Adopt above-mentioned still further setting, because the riveting pole is provided with three, set up on the riveting piece, the position location of the riveting pole of being convenient for, and iron core bolster can cushion it when the riveting piece contradicts the work piece, avoids the work piece damage.
Still further, the present invention is provided with: the rivet detection unit comprises a third fixing seat, a detection seat and a fifth driving piece for driving the detection seat to lift, a detection rod capable of detecting rivets is arranged on the detection seat, a U-shaped positioning head capable of positioning iron core workpieces to be detected is further arranged on the frame, and two support legs of the positioning head are driven by the sixth driving piece to be inserted into grooves corresponding to the iron core workpieces, so that positioning of the iron core workpieces during rivet detection is achieved.
Adopt above-mentioned still further setting, sixth driving piece drive positioning head slides for two stabilizer blades of "U" shape positioning head insert in the recess that the iron core work piece corresponds, rivet detecting element simple structure detects the seat through fifth driving piece drive and descends, and it can drive three measuring bars and descend simultaneously, detects three riveting bars on an iron core work piece.
Still further, the present invention is provided with: the conveying rail a comprises a workpiece, a rivet feeding section, a rivet riveting section and a workpiece chamfering section which are arranged in parallel, a first cylinder used for pushing an iron core workpiece at the outlet end of the workpiece and the rivet feeding section into the inlet end of the rivet riveting section, and a second cylinder used for pushing an iron core workpiece at the outlet end of the rivet riveting section into the inlet end of the workpiece chamfering section are further arranged on the rack, and U-shaped positioning heads matched with the iron core workpiece are arranged at the output ends of the cylinders.
Adopt above-mentioned still further setting, delivery rail a simple structure, its segmentation setting is convenient for the processing of guide rail, and the adaptation is in different processing units, the processing operation of different processing units of being convenient for, and the machining precision is more accurate.
Still further, the present invention is provided with: a magnetic attraction piece for attracting the iron core workpiece to the surface of the conveying rail b is arranged below the conveying rail b.
By adopting the further arrangement, the magnetic attraction piece can adsorb the iron core workpiece, so that the iron core workpiece is prevented from being separated from the conveying rail b.
Still further, the present invention is provided with: the two side surfaces of the adjusting piece, which face one end of the guide rail, are respectively formed into a groove which can be inserted into the iron core workpiece, so that a guide inclined plane for correcting the iron core workpiece is realized, and the maximum width of the adjusting piece is matched with the width of the groove of the iron core workpiece.
By adopting the further arrangement, the adjusting piece is simple in structure, when the vertically placed iron core workpiece enters the conveying rail b, the guide inclined plane of the adjusting piece is inserted into the groove of the iron core workpiece, and then the correction of the iron core workpiece is realized through the maximum width of the adjusting piece and the groove width phase adaptation of the iron core workpiece.
Still further, the present invention is provided with: the clamping and placing unit comprises a placing table for receiving iron core workpieces output from the guide rail, clamping the iron core workpieces on the placing table, and conveying the iron core workpieces to the conveying rail b, wherein the clamping and placing unit is arranged between the guide rail and the conveying rail b and comprises a fourth fixing seat, a first sliding seat, a seventh driving piece for driving the first sliding seat to slide towards the conveying rail b, a second sliding seat, an eighth driving piece for driving the second sliding seat to lift on the first sliding seat and workpiece clamping jaws.
Adopt above-mentioned still further setting, realize carrying out the centre gripping and carrying to the iron core work piece of placing on the platform through centre gripping conveying mechanism, drive the second slide through eighth driving piece and drive the work piece clamping jaw and downwards centre gripping place the iron core work piece on the platform, after the centre gripping, drive the second slide through eighth driving piece and drive the work piece clamping jaw and rise, then drive the first work piece clamping jaw that drives the clamp and have iron core work piece through seventh driving piece and slide to conveying rail b, eighth driving piece drive second slide drive work piece clamping jaw decline place the iron core work piece on conveying rail b, the clamping jaw loosens.
Still further, the present invention is provided with: the production line is provided with two groups of automatic riveting groups, each group of automatic riveting groups comprises a rivet feeding unit, a rivet riveting unit and a workpiece chamfering unit, two groups of conveying rails a and guiding rails are correspondingly arranged, each group of automatic riveting groups corresponds to a machine seat, and the two machine seats are distributed front and back and are respectively a first machine seat and a second machine seat;
one side of the first machine seat is provided with a group of automatic riveting groups, the opposite other side is provided with a feeding conveying rail, one side of the second machine seat is provided with a group of automatic riveting groups, the opposite other side is provided with a discharging conveying rail, the two automatic riveting groups are positioned on the same side, the discharging conveying rail on the second machine seat is in butt joint with a conveying rail a on the first machine seat through an engagement rail, the conveying rail a on the second machine seat is in butt joint with the feeding conveying rail on the first machine seat, and the conveying rail a on the second machine seat is in butt joint with the outlet end of the discharging conveying rail respectively;
the clamping and conveying mechanism further comprises a connecting plate fixed with the second sliding seat or integrated with the second sliding seat, four workpiece clamping jaws are arranged on the connecting plate, each clamping jaw corresponds to one placing table, each placing table is a group, one group close to the guide rail is a workpiece receiving group and is respectively used for receiving the two guide rails, and the other group is a workpiece transition group.
Adopt above-mentioned still further setting, the production line is provided with two sets of automatic riveting groups, carry out riveting simultaneously, the chamfer effect, machining efficiency is high, and two sets of automatic riveting groups are located same one side, be convenient for align the processing position of each iron core work piece, work piece machining precision is high, place the platform and be provided with four, drive the connecting plate through seventh driving piece and slide, make the iron core work piece that the work piece meets material group transfer to work piece transition group, the iron core work piece of work piece transition group transfers to on the delivery rail b, cyclic reciprocation, no shutdown operation, it is efficient.
Drawings
FIG. 1 is a schematic diagram of a moving core in the background art of the invention;
figure 2 is a block diagram of an embodiment of the invention,
figure 3 is a block diagram of a set of automatic riveting sets in accordance with an embodiment of the present invention,
figure 4 is a block diagram of a rivet feed unit in accordance with an embodiment of the invention,
figure 5 is a block diagram of a rivet crimping unit in accordance with an embodiment of the present invention,
figure 6 is a block diagram of a chamfering unit of an embodiment of the present invention,
FIG. 7 is an assembly view of a support block and a lower chamfer seat according to an embodiment of the present invention, wherein a is a chamfer forming surface;
FIG. 8 is an enlarged view of a portion I of FIG. 3;
FIG. 9 is a block diagram of a clamping unit in accordance with an embodiment of the present invention;
FIG. 10 is a block diagram of a workpiece polishing unit in accordance with an embodiment of the present invention;
fig. 11 is a schematic structural view of an adjusting member according to an embodiment of the present invention, wherein b is the maximum width of the adjusting member.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indications (such as up, down, front, and rear … …) in the description of the present invention are merely for explaining the relative positional relationship, movement, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure.
As shown in fig. 2-11, the automatic riveting and polishing production line for the movable iron core comprises a frame, a workpiece conveying rail 2, a rivet feeding unit 3, a rivet riveting unit 4, a workpiece chamfering unit 5 and a workpiece polishing unit 6, wherein the workpiece conveying rail 2, the rivet feeding unit 3, the rivet riveting unit 4, the workpiece chamfering unit 5 and the workpiece polishing unit 6 are arranged on the frame, and the frame can be integrally formed or assembled by a plurality of frames; the workpiece conveying rail 2 has: the device comprises a conveying rail a21 for conveying horizontal iron core workpieces, a conveying rail b 22 for conveying vertical iron core workpieces and a bending guide rail 23 positioned between the two conveying rails, wherein the guide rail 23 is used for guiding the horizontal iron cores output by the conveying rail a21 to be vertically placed, a rivet feeding unit 3, a rivet riveting unit 4 and a workpiece chamfering unit 5 are arranged corresponding to the conveying rail a21, and a workpiece polishing unit 6 is arranged corresponding to the conveying rail b 22; the rivet feeding unit 3 comprises a rivet feeding seat 31 for feeding rivets above the iron core workpiece to be processed and a pushing rod 32 for pushing the rivets into corresponding riveting holes on the iron core workpiece; the rivet riveting unit 4 comprises a riveting rod for riveting an iron core workpiece with a rivet; the workpiece chamfering unit 5 comprises an upper chamfering seat 51, a lower chamfering seat 52 and a supporting block 53, wherein the upper chamfering seat 51 and the lower chamfering seat 52 chamfer two ends of each iron core block of an iron core workpiece respectively, the supporting blocks 53 are positioned on the conveying rail a21 and can be pressed downwards, chamfering cavities are formed in the two chamfering seats, the inner wall of each chamfering cavity is provided with a required chamfering molding surface, the supporting block 53 is covered at the chamfering cavity of the lower chamfering seat 52 and is used for supporting the iron core workpiece, the width of the supporting block 53 is smaller than the width of the chamfering cavity of the lower chamfering seat 52, when the upper chamfering seat 51 is pressed downwards to chamfer the workpiece, the supporting block 53 is pressed downwards into the chamfering cavity on the lower chamfering seat 52 along with the iron core workpiece, and an elastic piece (not shown in the figure) for upwards resetting the supporting block 53 is further arranged in the chamfering cavity; the workpiece polishing unit 6 comprises an adjusting piece 61 for correcting the vertically placed iron core workpiece and a polishing wheel 62 for polishing the surfaces of all iron core blocks of the adjusted iron core workpiece; the rivet feeding unit 3 further comprises a first fixing seat 33, a first driving piece 35 for driving the rivet feeding seat 31 to slide to the position below the pushing rod 32 and a second driving piece 36 for driving the pushing rod 32 to lift, the rivet feeding seat 31 is provided with three groups of rivet feeding sleeves 37, the diameters of the rivet feeding sleeves 37 on two sides are the same and are larger than the diameter of the rivet feeding sleeve 37 positioned in the middle, the rivet feeding seat 31 is pushed to slide by the first driving piece 35, the rivet feeding sleeve 37 is correspondingly positioned under the pushing rod 32, and rivets in the rivet feeding sleeve 27 are driven by the second driving piece 36 to push into riveting holes of iron core workpieces below, and an inductor for inducing the rivets in the rivet feeding sleeve 37 is further arranged; the machine frame is also provided with a U-shaped positioning head 7 capable of positioning an iron core workpiece to be fed by rivets, two support legs of the U-shaped positioning head 7 are driven by a third driving piece 8 to be inserted into grooves corresponding to the iron core workpiece, so that the iron core workpiece is positioned when the rivets are fed, and the machine frame further comprises an inductor for driving the third driving piece 8 to work after the iron core workpiece is sensed; the rivet riveting unit 4 further comprises a second fixing seat 42, a riveting platform 43, a buffer platform 44, a riveting pressing block 45 and a fourth driving piece for driving the riveting platform 43 to lift, wherein the riveting pressing rod is arranged in the riveting pressing block 45 in a penetrating manner and is fixedly connected with the riveting pressing platform 43, the riveting pressing block 45 is integrally or fixedly connected to the buffer platform 44, and an elastic buffer piece 47 is arranged between the buffer platform 44 and the riveting pressing platform 43; a rivet detection unit 9 is further arranged between the rivet feeding unit 3 and the rivet riveting unit 4, the rivet detection unit 9 comprises a third fixing seat 91, a detection seat 92 and a fifth driving piece 93 for driving the detection seat 92 to lift, a detection rod 94 capable of detecting rivets is arranged on the detection seat 92, a U-shaped positioning head capable of positioning iron core workpieces to be detected is further arranged on the rack, and two support legs of the positioning head are driven by the sixth driving piece 10 to be inserted into grooves corresponding to the iron core workpieces, so that positioning of the iron core workpieces during rivet detection is realized; the conveying rail a21 comprises a workpiece and rivet feeding section 211, a rivet riveting section 212 and a workpiece chamfering section 213 which are arranged in parallel, a first cylinder 13 used for pushing iron core workpieces positioned at the outlet end of the workpiece and rivet feeding section 211 into the inlet end of the rivet riveting section 212 and a second cylinder 14 used for pushing iron core workpieces positioned at the outlet end of the rivet riveting section 212 into the inlet end of the workpiece chamfering section 213 are also arranged on the rack, U-shaped positioning heads matched with the iron core workpieces are arranged at the output ends of the cylinders, and the iron core workpieces on the rivet feeding section 211, the rivet riveting section 212 and the workpiece chamfering section 213 are pushed one by one through cylinders or cylinder components; a magnetic attraction member (not shown in the figure) for attracting the iron core workpiece to the surface of the conveying rail b 22 is provided below the conveying rail b 22; the two side surfaces of the adjusting piece 61 facing one end of the guide rail 23 are respectively formed with a guide inclined surface 611 which can be inserted into the groove of the iron core workpiece so as to realize the correction of the iron core workpiece, the maximum width of the adjusting piece 61 is matched with the width of the groove of the iron core workpiece, and the adjusting piece 61 can carry out sliding adjustment in the width direction of the conveying rail b 22; a clamping unit 15 is further arranged between the guide rail 23 and the conveying rail b 22, the clamping unit 15 comprises a placing table 151 for receiving iron core workpieces output from the guide rail 23, clamping the iron core workpieces on the placing table 151, a placing cavity for accommodating the iron core workpieces is arranged on the placing table 151, the iron core workpieces are conveyed to a clamping conveying mechanism on the conveying rail b 22, the clamping conveying mechanism comprises a fourth fixing seat 152, a first sliding seat 153, a seventh driving piece 154 for driving the first sliding seat 153 to slide towards the conveying rail b 22, a second sliding seat 155, an eighth driving piece 156 for driving the second sliding seat 155 to slide and lift on the first sliding seat 153, and a workpiece clamping jaw 157, and the driving pieces adopt air cylinders or oil cylinders; the production line is provided with two groups of automatic riveting groups 16, each group of automatic riveting groups comprises a rivet feeding unit 3, a rivet riveting unit 4 and a workpiece chamfering unit 5, two groups of conveying rails a21 and guide rails 23 are correspondingly arranged, each group of automatic riveting groups 16 corresponds to one machine seat, and the two machine seats are distributed front and back and are respectively a first machine seat 17A and a second machine seat 17B; one side of the first stand 17A is provided with a group of automatic riveting groups 16, the other opposite side is provided with a feeding conveying rail 18, one side of the second stand 17B is provided with a group of automatic riveting groups 16, the other opposite side is provided with a discharging conveying rail 19, the two automatic riveting groups 16 are positioned on the same side, the discharging conveying rail 19 on the second stand 17B is in butt joint with a conveying rail a21 on the first stand 17A through a connecting rail 20, the conveying rail a21 on the second stand 17B is in butt joint with the feeding conveying rail 18 on the first stand 17A, and the outlet ends of the conveying rail a 22 and the discharging conveying rail 19 on the second stand 17B are respectively in butt joint with two guide rails 23, and the feeding conveying rail 18, the discharging conveying rail 19 and the conveying rail B22 are of a belt conveying structure; the fourth fixing base 152 has a base fixed on the second base 171B, and a supporting base fixed or integrally disposed on the base, the first sliding base slides on the supporting base, the clamping and conveying mechanism further includes a connecting plate 158 fixed or integrally with the second sliding base 155, four workpiece clamping jaws 157 are arranged on the connecting plate 158, each clamping jaw 157 corresponds to one of the placing tables 151, the placing tables 151 are in a group two by two, one group close to the guiding rail 23 is a workpiece receiving group 151A, which is respectively used for receiving the two guiding rails 23, and the other group is a workpiece transition group 151B.
The iron core workpiece is conveyed to each processing unit on the workpiece conveying track 2 for processing, the operation is convenient, the horizontally placed iron core workpiece is sequentially subjected to rivet feeding, riveting and chamfering and then is output, and the iron core workpiece is guided to be vertically placed through the guide rail 23, so that the iron core workpiece on the conveying track b 22 is vertically placed, and is polished by the polishing wheel 62 after being corrected by the adjusting piece 61. The full-automatic machining mode of the instrument is adopted, the efficiency is high, the assembly positions of all workpiece rivets can be effectively ensured to be consistent, and the product precision is high.
When in work, the automatic riveting set 16 on the first stand 17A and the second stand 17B can be used for feeding and riveting iron core workpieces,
feeding through the automatic riveting group 16 on the first base 17A, feeding the iron core workpiece to the workpiece and conveying the workpiece to the rivet feeding section 211, pushing the rivet feeding seat 31 with rivets to slide below the pushing rod 32 by the first driving piece 35 when conveying to the rivet feeding unit 3, and driving the pushing rod 32 to feed the rivets in the rivet feeding sleeve 37 into the riveting holes of the iron core workpiece downwards by the second driving piece 36; when the iron core workpiece with the rivet is conveyed to the rivet detecting unit 9, two support legs of the positioning head are driven by the sixth driving piece 10 to be inserted into corresponding grooves of the iron core workpiece, so that the iron core workpiece is positioned during rivet detection, the detecting seat 92 is driven by the fifth driving piece 93 to drive the detecting rod 94 to descend, the rivet is detected, the iron core workpiece with unqualified rivet assembly is removed, and the qualified iron core workpiece is pushed into the rivet riveting section 212 through the first cylinder 13; when the workpiece is conveyed to the rivet riveting unit 4, the fourth driving piece drives the riveting platform 43 to descend, the riveting platform 43 can descend and drive the riveting block 45 to descend synchronously with the riveting rod, the riveting block 45 rebounds to extrude the iron core buffer piece after abutting against the workpiece, and meanwhile the riveting rod is exposed out of the riveting block to rivet, and the riveting workpiece is pushed into the workpiece chamfering section 213 through the second cylinder 14; when the workpiece is conveyed to the workpiece chamfering unit 5, the upper chamfering seat 51 is pressed downwards to chamfer the workpiece, the supporting block 53 is pressed downwards along with the iron core workpiece into a chamfering cavity on the lower chamfering seat 52, the workpiece is continuously chamfered through the upper chamfering seat and the lower chamfering seat, and the chamfered workpiece is continuously conveyed backwards; passing the connecting rail 20 and the discharging conveying rail 19 to the corresponding guide rail 23;
feeding through an automatic riveting set 16 on a second machine base 17B, firstly feeding to a conveying rail a21 through a feeding conveying rail 18, automatically riveting and chamfering in the same way as the processing mode of the upper set, and conveying the processed workpiece to a corresponding guide rail 23;
the workpieces output by the two guide rails 23 respectively enter two placing tables 151 in a workpiece receiving group 151A, and then the iron core workpieces on the placing tables 151 are clamped and conveyed through a clamping conveying mechanism, so that the iron core workpieces of the workpiece receiving group 151A are transferred to a workpiece transition group 151B, and the iron core workpieces of the workpiece transition group 151B are transferred to a conveying rail B22; when the workpiece is conveyed to the workpiece polishing unit 6, the workpiece passes through the adjusting piece 61, one end of the adjusting piece 61 with the guide inclined plane 611 is inserted into the iron core workpiece groove, so that the iron core workpiece is corrected, and the surfaces of all iron core blocks of the adjusted iron core workpiece are polished through the polishing wheel 62.
Claims (10)
1. Automatic riveting and polishing production line for movable iron cores is characterized in that: the riveting machine comprises a frame, a workpiece conveying rail, a rivet feeding unit, a rivet riveting unit, a workpiece chamfering unit and a workpiece polishing unit, wherein the workpiece conveying rail, the rivet feeding unit, the rivet riveting unit, the workpiece chamfering unit and the workpiece polishing unit are arranged on the frame;
the workpiece conveying track has: the device comprises a conveying rail a for conveying horizontal iron core workpieces, a conveying rail b for conveying vertical iron core workpieces and a bending guide rail positioned between the two conveying rails, wherein the guide rail is used for guiding the horizontal iron cores output by the conveying rail a to vertical, a rivet feeding unit, a rivet riveting unit and a workpiece chamfering unit are arranged corresponding to the conveying rail a, and a workpiece polishing unit is arranged corresponding to the conveying rail b;
the rivet feeding unit comprises a rivet feeding seat for feeding rivets to the upper part of the iron core workpiece to be processed and a pushing rod for pushing the rivets down into corresponding riveting holes on the iron core workpiece;
the rivet riveting unit comprises a riveting rod for riveting an iron core workpiece with a rivet;
the workpiece chamfering unit comprises an upper chamfering seat, a lower chamfering seat and a supporting block, wherein the upper chamfering seat and the lower chamfering seat chamfer two ends of each iron core block of an iron core workpiece, the supporting blocks are positioned on the conveying rail a and can be pressed down, the two chamfering seats are respectively provided with a chamfering cavity, the supporting block cover is arranged at the chamfering cavity of the lower chamfering seat and is used for supporting the iron core workpiece, the width of the supporting block is smaller than that of the chamfering cavity of the lower chamfering seat, when the upper chamfering seat is pressed down to chamfer the workpiece, the supporting block is pressed down to the chamfering cavity on the lower chamfering seat along with the iron core workpiece, and an elastic piece for upwards resetting the supporting block is arranged in the chamfering cavity;
the workpiece polishing unit comprises an adjusting piece for correcting the vertically placed iron core workpiece and polishing wheels for polishing the surfaces of all iron core blocks of the adjusted iron core workpiece.
2. The automatic riveting and polishing production line for movable iron cores according to claim 1, wherein: the rivet feeding unit also comprises a first fixing seat, a first driving piece for driving the rivet feeding seat to slide to the lower part of the pushing rod and a second driving piece for driving the pushing rod to lift, wherein the rivet feeding seat is provided with a rivet feeding sleeve, the rivet feeding seat is pushed to slide by the first driving piece, the rivet feeding sleeve is correspondingly positioned under the pushing rod, and rivets in the rivet feeding sleeve are driven by the pushing rod to be pushed into riveting holes of iron core workpieces below by the second driving piece.
3. The automatic riveting and polishing production line for movable iron cores according to claim 1 or 2, wherein: the machine frame is also provided with a U-shaped positioning head capable of positioning the iron core workpiece to be subjected to rivet feeding, and two support legs of the U-shaped positioning head are driven by a third driving piece to be inserted into grooves corresponding to the iron core workpiece, so that the iron core workpiece is positioned during rivet feeding.
4. The automatic riveting and polishing production line for movable iron cores according to claim 1 or 2, wherein: the rivet riveting unit also comprises a second fixing seat, a riveting platform, a buffer platform, a riveting block and a fourth driving piece for driving the riveting platform to lift, wherein the riveting rod is arranged in the riveting block in a penetrating manner and is fixedly connected with the riveting platform, the riveting block is integrally or fixedly connected to the buffer platform, and an elastic buffer piece is arranged between the buffer platform and the riveting platform.
5. The automatic riveting and polishing production line for movable iron cores according to claim 1 or 2, wherein: the rivet detection unit comprises a third fixing seat, a detection seat and a fifth driving piece for driving the detection seat to lift, a detection rod capable of detecting rivets is arranged on the detection seat, a U-shaped positioning head capable of positioning iron core workpieces to be detected is further arranged on the frame, and two support legs of the positioning head are driven by the sixth driving piece to be inserted into grooves corresponding to the iron core workpieces, so that positioning of the iron core workpieces during rivet detection is achieved.
6. The automatic riveting and polishing production line for movable iron cores according to claim 1 or 2, wherein: the conveying rail a comprises a workpiece, a rivet feeding section, a rivet riveting section and a workpiece chamfering section which are arranged in parallel, a first cylinder used for pushing an iron core workpiece at the outlet end of the workpiece and the rivet feeding section into the inlet end of the rivet riveting section, and a second cylinder used for pushing an iron core workpiece at the outlet end of the rivet riveting section into the inlet end of the workpiece chamfering section are further arranged on the rack, and U-shaped positioning heads matched with the iron core workpiece are arranged at the output ends of the cylinders.
7. The automatic riveting and polishing production line for movable iron cores according to claim 1 or 2, wherein: a magnetic attraction piece for attracting the iron core workpiece to the surface of the conveying rail b is arranged below the conveying rail b.
8. The automatic riveting and polishing production line for movable iron cores according to claim 1 or 2, wherein: the two side surfaces of the adjusting piece, which face one end of the guide rail, are respectively formed into a groove which can be inserted into the iron core workpiece, so that a guide inclined plane for correcting the iron core workpiece is realized, and the maximum width of the adjusting piece is matched with the width of the groove of the iron core workpiece.
9. The automatic riveting and polishing production line for movable iron cores according to claim 1 or 2, wherein: the clamping and placing unit comprises a placing table for receiving iron core workpieces output from the guide rail, clamping the iron core workpieces on the placing table, and conveying the iron core workpieces to the conveying rail b, wherein the clamping and placing unit is arranged between the guide rail and the conveying rail b and comprises a fourth fixing seat, a first sliding seat, a seventh driving piece for driving the first sliding seat to slide towards the conveying rail b, a second sliding seat, an eighth driving piece for driving the second sliding seat to slide and lift on the first sliding seat, and workpiece clamping jaws.
10. The automatic riveting and polishing production line for movable iron cores according to claim 9, wherein: the production line is provided with two groups of automatic riveting groups, each group of automatic riveting groups comprises a rivet feeding unit, a rivet riveting unit and a workpiece chamfering unit, two groups of conveying rails a and guiding rails are correspondingly arranged, each group of automatic riveting groups corresponds to a machine seat, and the two machine seats are distributed front and back and are respectively a first machine seat and a second machine seat;
one side of the first machine seat is provided with a group of automatic riveting groups, the opposite other side is provided with a feeding conveying rail, one side of the second machine seat is provided with a group of automatic riveting groups, the opposite other side is provided with a discharging conveying rail, the two automatic riveting groups are positioned on the same side, the discharging conveying rail on the second machine seat is in butt joint with a conveying rail a on the first machine seat through an engagement rail, the conveying rail a on the second machine seat is in butt joint with the feeding conveying rail on the first machine seat, and the conveying rail a on the second machine seat is in butt joint with the outlet end of the discharging conveying rail respectively;
the clamping and conveying mechanism further comprises a connecting plate fixed with the second sliding seat or integrated with the second sliding seat, four workpiece clamping jaws are arranged on the connecting plate, each clamping jaw corresponds to one placing table, each placing table is a group, one group close to the guide rail is a workpiece receiving group and is respectively used for receiving the two guide rails, and the other group is a workpiece transition group.
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| CN202111651997.3A CN114273924B (en) | 2021-12-30 | 2021-12-30 | Automatic riveting and polishing production line for movable iron cores |
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| CN202111651997.3A CN114273924B (en) | 2021-12-30 | 2021-12-30 | Automatic riveting and polishing production line for movable iron cores |
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| CN114273924A (en) | 2022-04-05 |
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