CN209796698U - Automatic tipping arrangement and turning device thereof - Google Patents

Abstract

The utility model provides an automatic tipping arrangement and turning device thereof, wherein, turning device is including the tilting mechanism that is used for the upset work piece and the positioning mechanism who is used for placing the work piece that has overturned. The utility model provides a turning device can pass through behind the automatic upset work piece of tilting mechanism including the tilting mechanism and the positioning mechanism that connect gradually positioning mechanism realizes the location of work piece, avoids the work piece to take place the dislocation after the upset, the going on smoothly of next process in the production water line of being convenient for.

Description

Automatic tipping arrangement and turning device thereof

Technical Field

The utility model relates to a machine-building processing field especially relates to a turning device and adoption turning device's automatic tipping arrangement.

Background

In the mechanical manufacturing process of the workpiece, different surfaces are required to be turned for processing, the original manual turning mode is adopted, the workpiece may be damaged or the personal safety of an operator is endangered, and the production efficiency is low. At present, some turnover equipment on the market can automatically turn over workpieces, but generally only plays a role in assisting turnover, still needs manual operation for positioning, and cannot realize full-automatic turnover operation in a production line.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose aims at providing an automatic upset that can realize the work piece and fix a position turning device.

Another object of the utility model is to provide an adopt above-mentioned turning device's automatic tipping arrangement.

In order to achieve the above object, the present invention provides the following technical solutions:

As a first aspect, the present invention provides a turnover device for setting a turnover workpiece in a production line, wherein the turnover device includes a turnover mechanism for turning over the workpiece and a positioning mechanism for placing the turnover workpiece.

Preferably, the turnover mechanism comprises a turnover frame, and a turnover cylinder, a turnover rack, a turnover gear, a turnover shaft and a turnover plate which are all arranged on the turnover frame and are sequentially connected; the overturning rack is connected with a piston rod of the overturning cylinder and can be driven by the overturning cylinder to do linear reciprocating motion, the overturning gear is circumferentially fixed with the overturning shaft and meshed with the overturning rack, and the overturning plate is connected with the overturning shaft and is pivoted on the overturning frame through the overturning shaft.

Preferably, the turnover mechanism further comprises a limiting protrusion arranged on the turnover plate and used for positioning the workpiece.

Furthermore, the top of the limiting protrusion is provided with a guide inclined plane.

Preferably, the positioning mechanism comprises a positioning frame, and a positioning cylinder, a positioning clamp and a positioning plate which are all arranged on the positioning frame; the locating cylinder is arranged on the locating rack along the vertical direction, the locating fixture is connected with a piston rod of the locating cylinder and can be driven by the locating cylinder to be opposite to the locating rack, the locating plate is arranged above the locating fixture and used for placing a workpiece, a clamping hole is formed in the locating plate, and the locating fixture comprises an accessible clamping jaw, wherein the clamping hole penetrates out of the upper surface of the locating plate and used for clamping the workpiece.

More preferably, the positioning fixture comprises two pairs of the positioning clamping jaws, and the clamping directions of the two pairs of the positioning clamping jaws are perpendicular to each other.

Preferably, the positioning mechanism further comprises a supporting member arranged on the positioning frame, and the positioning plate abuts against the supporting member and is connected with the positioning frame in a sliding manner along the vertical direction.

Preferably, the positioning fixture further comprises a first guide rod connected with the positioning frame in a sliding manner along the vertical direction and a lifting plate connected with the top end of the first guide rod, the positioning fixture is arranged on the lifting plate, and the bottom of the lifting plate is connected with a piston rod of the positioning cylinder.

Preferably, the positioning fixture further comprises a second guide rod connected with the positioning frame in a sliding manner along the vertical direction, and the positioning plate is connected with the top end of the second guide rod.

As a second aspect, the utility model provides an automatic tipping arrangement, including above-mentioned turning device.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. The utility model provides a turning device can pass through behind the automatic upset work piece of tilting mechanism including the tilting mechanism and the positioning mechanism that connect gradually positioning mechanism realizes the location of work piece, avoids the work piece to take place the dislocation after the upset, the going on smoothly of next process in the production water line of being convenient for.

2. The utility model provides a be equipped with the spacing arch that is used for fixing a position the work piece on turning device's the returning face plate, through the position of work piece can be fixed to spacing arch ensures that the work piece can overturn smoothly, and spacing bellied top is equipped with the direction inclined plane, and the work piece card of being convenient for is gone into in the spacing arch.

3. The utility model provides an among the turning device, positioning mechanism includes the locating plate and locates locating plate bottom and liftable pass the positioning fixture of locating plate, positioning fixture's location clamping jaw can stretch out when the work piece overturns to the locating plate the work piece is got to locating plate and shrink clamp simultaneously, realizes the automatic alignment of work piece, fixes the work piece location to improve the clamp of transplanting manipulator and get the precision.

4. The utility model provides an among the turning device, the locating plate can be relative locating rack lift under positioning fixture's the drive and remove, realizes the adjustment of work piece height to the adaptation with the height of other equipment that turning device connects need not to set up extra height adjustment mechanism, optimizes the cost.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

Fig. 1 is a perspective view of an automatic turnover device provided by the present invention;

FIG. 2 is a perspective view of the automatic flipping apparatus shown in FIG. 1 with the protective cover removed;

FIG. 3 is a perspective view of the cache device shown in FIG. 2;

FIG. 4 is an internal block diagram of the caching mechanism shown in FIG. 3;

FIG. 5 is a perspective view of the canting mechanism shown in FIG. 2;

FIG. 6 is an exploded view of the positioning mechanism shown in FIG. 5;

Fig. 7 is a perspective view of the transplanting robot shown in fig. 2;

Fig. 8 is an exploded view of the transplanting robot shown in fig. 7.

Detailed Description

reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

It will be understood by those within the art that, unless expressly stated otherwise, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

as shown in fig. 1, the utility model provides an automatic tipping arrangement 1000 for buffer memory, upset and transportation work piece 2000, in this embodiment work piece 2000 is intelligent lock panel, and it can via after the processing of last process is accomplished automatic tipping arrangement 1000 overturns to the another side, transports again to next process and continues processing. The workpiece 2000 can be cached, turned and transported through one device, so that the automatic turning device 1000 can realize full-automatic operation in a production line, manual operation is not needed, and the production efficiency is improved. Automatic tipping arrangement 1000 includes frame 1 for cabinet body design and locates safety cover 5 in the frame 1, be equipped with the pilot lamp 51 that is used for showing the behavior on the safety cover 5 and be used for adjusting parameter and control device's control panel 52, because its structure does not belong to the utility model discloses an improvement place, the event is not repeated.

As shown in fig. 2, the automatic turning apparatus 1000 further includes a buffer device 2, a turning device 3 and a transplanting manipulator 4, which are located in the protective cover 5 and are all disposed on the rack 1 and sequentially connected to each other.

Specifically, the buffer device 2 is configured to buffer the workpieces 2000 and convey the workpieces 2000 to the turning device 3, that is, when the number of the workpieces 2000 is large, the workpieces may be firstly stacked on the buffer device 2 and sequentially conveyed to the turning device 3 by the buffer device 2. The turning device 3 is used for turning the workpieces 2000 transported by the buffer device 2, and the transplanting manipulator 4 is used for moving the turned workpieces 2000 out of the automatic turning device 1000.

As shown in fig. 3, the buffer device 2 further includes a buffer mechanism 21 for buffering the workpieces 2000 and a transport robot 22 for gripping the workpieces on the buffer mechanism 21 to the turnover mechanism 3. When realizing buffer memory work piece 2000 through buffer memory mechanism 21, the accessible transportation manipulator 22 presss from both sides work piece 2000 in proper order and gets extremely overturn on the turning device 3, can realize through the manipulator simultaneously that the work piece automatic positioning is placed, guarantees that the work piece can not misplace, improves turning device 3's stability.

Referring to fig. 4 in combination with fig. 3, the buffer mechanism 21 includes a buffer bracket 211 disposed on the frame 1, a rotating shaft 212 disposed through the buffer bracket 211, a chain conveying assembly 213 connected to the rotating shaft 212 and used for placing the workpiece 2000, and a conveying motor 214 disposed on the buffer bracket 211 and used for driving the rotating shaft 212 to rotate, the chain conveying assembly 213 can be driven by the conveying motor 214 to rotate through the rotating shaft 212 so as to drive the workpiece 2000 to move, and the conveying robot 4 is disposed at the end of the chain conveying assembly 213.

Specifically, the buffer mechanism 21 further includes two transmission gears 215 respectively fixed on the output shaft of the conveying motor 214 and the rotating shaft 212, and a synchronizing member (not shown, the same applies below) wound on the two transmission gears 215, the synchronizing member is a chain or a synchronous belt, and the conveying motor 214 can drive the rotating shaft 212 to rotate through the transmission of the transmission gears 215 and the synchronizing member, so as to drive the chain plate conveying assembly 213 to operate.

Preferably, the buffer mechanism 21 further includes a planetary reducer 216 connected to the output shaft of the conveying motor 214, and the planetary reducer 216 can ensure that the conveying motor 214 has sufficient torque during operation, so as to improve the stability of the chain plate conveying assembly 213.

Further, the buffer bracket 211 includes a bottom plate 2111 and two side plates 2112 standing at the left and right ends of the bottom plate 2111, the rotating shaft 212 is disposed through the two side plates 2112, and the buffer mechanism 21 further includes at least one support shaft 217 disposed through the two side plates 2112 and connected to the chain plate conveying assembly 213.

the chain plate conveying assembly 213 comprises two chain plate frames 2131 erected on the left and right ends of the bottom plate 211 through the rotating shaft 212 and the supporting shaft 217, a driving wheel 2132 and a driven wheel 2133 respectively arranged on the front and rear ends of the chain plate frames 2131 and capable of rotating relative to the chain plate frames 2131, and chain plates 2134 wound on the driving wheel 2132 and the driven wheel 2133, wherein the driving wheel 2132 is sleeved on the rotating shaft 212 and circumferentially fixed with the rotating shaft 212, and the rotating shaft 212 can drive the driving wheel 2132 to rotate so as to drive the chain plates 2134 to rotate, thereby driving the workpieces 2000 arranged on the chain plates 2134.

Preferably, the link plate 2134 is made of a stainless steel material, and has high corrosion resistance while reducing friction and avoiding scratching the workpiece 2000 during operation.

Preferably, the chain plate conveying assembly 213 further includes two stop bars 2135 respectively disposed on the chain plate frame 2131 and protruding out of the chain plate 2134, the chain plate 2134 is disposed between the two stop bars 2135, and when the workpiece 2000 moves on the chain plate 2134, the position can be limited by the stop bars 2135, so as to avoid the workpiece from being misplaced during operation due to accumulation of excessive workpieces.

The link plate frame 2131 is slidably connected to the rotating shaft 212 and the support shaft 217 along the axial direction of the rotating shaft 212. The buffer mechanism 21 further comprises an adjusting assembly 218 for adjusting the distance between two link plate frames 2131.

The adjusting assembly 218 includes two adjusting nuts 2181 respectively disposed on the two chain plate frames 2131, and an adjusting screw 2182, both ends of which are respectively connected with the two adjusting nut threads 2181 and penetrate through the two side plates 2112, and both ends of the adjusting screw 2182 are respectively provided with external threads which are opposite in rotation direction and are used for being in threaded connection with the adjusting nut 2181. The adjustable design allows the chain plate conveying assembly 213 to adapt to workpieces 2000 of different sizes, thereby avoiding the misalignment of the workpieces during buffering and improving the compatibility of the automatic turnover apparatus 1000. In addition, the positions of the two chain plate frames 2131 can be synchronously adjusted by rotating the adjusting screw 2182, so that the two chain plate frames can always keep a centered position, and the transport manipulator 22 can conveniently clamp a workpiece without repositioning after adjusting the spacing.

The buffer mechanism 21 further includes a stopping component 219 disposed at the end of the chain conveying component 213 and configured to stop the workpiece 2000 on the chain conveying component 213, and the stopping component 219 includes a fixing plate 2191 disposed at the end of the chain conveying component 213 and flush with the chain 2134, and a stopping protrusion 2192 disposed on the fixing plate 2191 and configured to stop the workpiece 2000. Specifically, when the workpiece 2000 on the conveying assembly 213 is conveyed to the fixed plate 2191, the workpiece is stopped by the stop protrusion 2192 and continues to move until the conveying robot 22 clamps the workpiece 2000 on the fixed plate 2191, and the conveying assembly 213 continues to convey the next workpiece 2000 to the fixed plate 2191, and the sequence is repeated, so that the buffering of the workpieces is realized.

Preferably, the buffer bracket 211 further comprises supporting legs 2133 made of aluminum profiles and adjustable in height, and the bottom plate 2111 is connected to the supporting legs 2133 and is erected on the rack 1 through the supporting legs 2133, so that the height of the buffer mechanism 21 can be adjusted to adapt to the height of other equipment, and the workpieces 2000 in the previous process can be conveniently conveyed to the buffer mechanism 21.

as shown in fig. 3, the transport robot 22 includes a transport guide rail 221 disposed on the rack 1, a transport fixture 222 slidably connected to the transport guide rail 221 and configured to clamp and place a workpiece 2000, and a transport driving member 100 configured to drive the transport fixture 222 to slide along the transport guide rail 221, where the transport fixture 222 includes a lifting member 2221 and a transport clamping member 2222 connected to the lifting member 2221 and driven to lift by the lifting member 2221.

Specifically, transportation driving piece 100 is no pole cylinder, lift 2221 is the lift cylinder, transportation holder 2222 is pneumatic clamping jaw, can optimize cost and move stably through the cylinder drive, and in other embodiments, technical staff in the art can be changed as required and be changed into electronic structure.

As shown in fig. 5, the turnover device 3 includes a turnover mechanism 31 for turning over the workpiece 2000 and a positioning mechanism 32 for placing the turned workpiece 2000, and the transplanting robot 4 is connected to the positioning mechanism 32.

The turnover mechanism 31 comprises a turnover frame 311, and a turnover cylinder 312, a turnover rack 313, a turnover gear 314, a turnover shaft 315 and a turnover plate 316 which are all arranged on the turnover frame 311 and are sequentially connected. The turning rack 314 is connected with a piston rod of the turning cylinder 312 and can be driven by the turning cylinder 312 to do linear reciprocating motion, the turning gear 314 is circumferentially fixed with the turning shaft 315 and meshed with the turning rack 313, and the turning plate 316 is connected with the turning shaft 315 and is pivoted on the turning frame 316 through the turning shaft 315.

specifically, when the turnover cylinder 312 drives the turnover rack 314 to make a linear motion, the turnover gear 314 is driven to rotate, so as to drive the turnover shaft 315 circumferentially fixed to the turnover gear 314 to rotate, and further drive the turnover plate 316 connected to the turnover shaft 315 to rotate, so as to turn over the workpiece 2000 on the turnover plate 316 onto the positioning mechanism 32.

Preferably, tilting mechanism 31 is still including locating on the returning face plate 316 and being used for the spacing arch 317 of location work piece 2000, the top of spacing arch 317 is equipped with direction inclined plane (not numbered, the same below), through the position of work piece 2000 can be fixed to spacing arch 317, ensures that work piece 2000 can overturn smoothly, and the top of spacing arch 317 is equipped with the direction inclined plane, and the work piece 2000 of being convenient for is blocked in spacing arch 317.

as shown in fig. 6, the positioning mechanism 32 includes a positioning frame 321, and a positioning cylinder 322, a positioning clamp 323, and a positioning plate 324 all disposed on the positioning frame 321.

the positioning cylinder 322 is disposed on the positioning frame 321 along a vertical direction, the positioning fixture 323 is connected to a piston rod of the positioning cylinder 322 and can be driven by the positioning cylinder 322 to move up and down relative to the positioning frame 321, and the positioning plate 324 is disposed above the positioning fixture 323 and used for placing the turned workpiece 2000.

The positioning clamp 323 comprises a driving cylinder 3231 and a positioning clamping jaw 3232 connected with the driving cylinder 3231 and driven by the driving cylinder 3231 to contract or expand, and a clamping hole 3241 through which the positioning clamping jaw 3232 penetrates out of the positioning plate 324 is formed in the positioning plate 324. When the turned workpiece 2000 is placed on the positioning plate 324, the positioning clamping jaw 3232 is driven by the positioning cylinder 322 to ascend, pass through the clamping hole 3241 and penetrate out of the upper surface of the positioning plate 324, and then is driven by the driving cylinder 3231 to clamp the workpiece on the positioning plate 324, so that the automatic positioning and alignment of the workpiece are realized.

Preferably, the positioning fixture 323 comprises two pairs of the positioning clamping jaws 3232, the clamping directions of the two pairs of the positioning clamping jaws 3232 are perpendicular to each other, the automatic alignment of the workpiece 2000 is realized through the clamping actions of the four pairs of the positioning clamping jaws 3232, and the workpiece 2000 is positioned and fixed at the position of the right center, so that the clamping precision of the transplanting manipulator 4 is improved.

Preferably, the positioning mechanism 32 further includes a supporting member 325 disposed on the positioning frame 321, and the positioning plate 324 abuts against the supporting member 325 and is slidably connected to the positioning frame 321 along the vertical direction. That is, the positioning plate 324 can be lifted up by the positioning clamp 323 and lifted up together when the positioning cylinder 322 drives the positioning clamp 323 to lift up, so that the height of the workpiece 2000 on the positioning plate 324 can be adjusted, the height of other equipment connected with the turnover device 3 can be adapted, an additional height adjusting mechanism is not needed, and the cost is optimized.

specifically, the positioning fixture 323 is slidably connected to the positioning frame 321 through a first guide rod 326 arranged along the vertical direction, the positioning mechanism 32 further includes a lifting plate 327 for arranging the positioning fixture 323 and connecting with the first guide rod 326, the positioning plate 324 is slidably connected to the positioning frame 321 through a second guide rod 328 arranged along the vertical direction, and stability and strength of the positioning fixture 323 and the positioning plate 324 during lifting are ensured through guiding action of the first guide rod 326 and the second guide rod 328.

As shown in fig. 7, the transplanting robot 4 includes a three-axis linkage 41 and a transplanting jig 42 connected to the three-axis linkage 41.

The three-axis linkage mechanism 41 comprises an X-axis assembly 411 arranged on the frame 1 and used for driving the transplanting fixture 42 to move along the front-back direction, a Y-axis assembly 413 arranged on the X-axis assembly 411 and used for driving the transplanting fixture 42 to move along the left-right direction, and a Z-axis assembly 413 arranged on the Y-axis assembly 412 and used for driving the transplanting fixture 42 to lift along the vertical direction, wherein the transplanting fixture 42 is connected with the Z-axis assembly 413. The transplanting fixture 42 can be driven by the three-axis linkage mechanism 41 to move in a three-axis linkage manner in a multi-direction manner to clamp and place workpieces, the workpieces can be positioned without manual adjustment, the production efficiency is higher, and the positioning precision is higher.

Referring to fig. 8 in combination with fig. 7, the X-axis assembly 411 includes an X-axis guide rail 4112 disposed on the frame 1 along a front-back direction via an X-axis guide rail base 4111, an X-axis sliding frame 4113 slidably connected to the X-axis guide rail 4112, and an X-axis motor 4114, an X-axis transmission wheel 4115, an X-axis transmission belt 4116, and an X-axis transmission block 4117 for driving the X-axis sliding frame 4113 to move. X axle motor 4114 is located on the X axle guide rail seat 4111, X axle drive wheel 4115 with the output shaft of X axle motor 4114 can by X axle motor 4114 drives rotatoryly, X axle drive belt 4116 is around locating on the X axle drive wheel 4115 and can by X axle drive wheel 4115 drives the rotation, X axle transmission piece 4117 with X axle drive belt 4116 is connected and with X axle carriage 4113 rigid coupling, thereby pass through X axle drive belt 4116's rotation drives X axle carriage 4113 is followed X axle guide rail 4112 removes.

further, the X-axis assembly 411 further includes with X-axis slider 4118 of X-axis guide rail 4112 sliding connection, the X-axis sliding frame 4113 is connected with X-axis slider 4118, through, the X-axis sliding frame 4113 can pass the cooperation direction promotion stability of X-axis slider 4118 and X-axis guide rail 4112.

preferably, the Y-axis assembly 412 includes a first Y-axis assembly 412a and a second Y-axis assembly 412b disposed on the first Y-axis assembly 412a, the first Y-axis assembly 412a is disposed on the X-axis carriage 4113 and is used for driving the second Y-axis assembly 412b to move in the left-right direction, and the Z-axis assembly 413 is disposed on the second Y-axis assembly 412b and is driven by the second Y-axis assembly 412b to move in the left-right direction. Through the first Y axle subassembly 412a and the second Y axle subassembly 412b of hierarchical setting, promoted the migration distance of transplanting anchor clamps 42 when guaranteeing stability, intensity is high and can move the work piece to other equipment fast.

Specifically, the first Y-axis assembly 412a includes a first Y-axis rail seat 4121 connected to the X-axis sliding frame 4113, and a first Y-axis rail 4122 disposed on the Y-axis rail seat 4121 in the left-right direction, the second Y-axis assembly 412b is slidably connected to the Y-axis rail seat 4121, and the first Y-axis assembly 412a further includes a Y-axis motor 4123, a Y-axis transmission wheel 4124, a Y-axis transmission belt 4125, and a Y-axis transmission block 4126 for driving the second Y-axis assembly 412b to move. The Y-axis motor 4123 is disposed on the first Y-axis guide rail seat 4121, the Y-axis transmission wheel 4124 is connected to an output shaft of the Y-axis motor 4123 and can be driven to rotate by the Y-axis motor 4123, the Y-axis transmission belt 4125 is wound on the Y-axis transmission wheel 4124 and can be driven to rotate by the Y-axis transmission wheel 4125, and the Y-axis transmission block 4126 is connected to the Y-axis transmission belt 4125 and is fixedly connected to the second Y-axis assembly 412b, so that the second Y-axis assembly 412b is driven to move along the first Y-axis guide rail 4122 by the rotation of the Y-axis transmission belt 4125.

The second Y-axis assembly 412b includes a second Y-axis rail holder 4127 fixed to the Y-axis transmission block 4126 and slidably coupled to the first Y-axis rail 4122, a second Y-axis rail 4128 installed on the second Y-axis rail holder 4127 in the left-right direction, a Y-axis sliding frame 4129 slidably coupled to the second Y-axis rail 4128, and a rodless cylinder 100 connected to the Y-axis sliding frame 4129 and driving the Y-axis sliding frame 4129 to move, and the Z-axis assembly 413 is installed on the Y-axis sliding frame 4129.

The X-axis assembly 411 and the Y-axis assembly 412 both adopt a driving wheel and a driving belt as driving parts, so that the structure is stable, and the noise can be reduced. The production cost is reduced.

Preferably, the height of the first Y-axis rail seat 4121 relative to the X-axis sliding frame 4113 is adjustable to adapt to the height of other devices, and both are made of aluminum alloy 6061 material, so that the weight can be reduced, the burden of the X-axis motor 4114 can be reduced, and thus a motor with higher power does not need to be used, and the cost can be further optimized.

Preferably, the three-axis linkage 41 further includes a travel switch 414 for defining the drive travel of the second Y-axis assembly.

The Z-axis assembly 413 is a lifting cylinder, and the transplanting fixture 42 comprises a fixture seat 421 connected with the Z-axis assembly 413 and driven by the Z-axis assembly 413 to lift, and two pneumatic clamping jaws 422 arranged on the fixture seat 421. Due to the low cost of the pneumatic clamping jaws, the production cost of the automatic overturning device 1000 can be further reduced.

It should be understood that in other embodiments, the pneumatic clamping jaw 422 may be replaced by an electric clamping jaw, and the clamping point may be controlled with high precision by adjusting the starting and stopping speed and the rotating speed of the motor in the electric clamping jaw, so as to minimize the impact on the workpiece 2000 during the clamping action.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A turnover device is used for turning over a workpiece in a production line and is characterized by comprising a turnover mechanism used for turning over the workpiece and a positioning mechanism used for placing the turned workpiece;

The turnover mechanism comprises a turnover frame, and a turnover cylinder, a turnover rack, a turnover gear, a turnover shaft and a turnover plate which are all arranged on the turnover frame and are sequentially connected;

the overturning rack is connected with a piston rod of the overturning cylinder and can be driven by the overturning cylinder to do linear reciprocating motion, the overturning gear is circumferentially fixed with the overturning shaft and meshed with the overturning rack, and the overturning plate is connected with the overturning shaft and is pivoted on the overturning frame through the overturning shaft.

2. The turnover device of claim 1, wherein the turnover mechanism further comprises a limiting protrusion disposed on the turnover plate for positioning the workpiece.

3. The turnover device of claim 2, wherein the top of the limiting protrusion is provided with a guide slope.

4. The turnover device of claim 1, wherein the positioning mechanism comprises a positioning frame, and a positioning cylinder, a positioning clamp and a positioning plate which are all arranged on the positioning frame;

The locating cylinder is arranged on the locating rack along the vertical direction, the locating fixture is connected with a piston rod of the locating cylinder and can be driven by the locating cylinder to be opposite to the locating rack, the locating plate is arranged above the locating fixture and used for placing a workpiece, a clamping hole is formed in the locating plate, and the locating fixture comprises an accessible clamping jaw, wherein the clamping hole penetrates out of the upper surface of the locating plate and used for clamping the workpiece.

5. the turnover device defined in claim 4, wherein the positioning fixture comprises two pairs of the positioning jaws, and the clamping directions of the two pairs of positioning jaws are perpendicular to each other.

6. The turnover device of claim 4, wherein the positioning mechanism further comprises a support member disposed on the positioning frame, and the positioning plate abuts against the support member and is slidably connected with the positioning frame in a vertical direction.

7. The turnover device of claim 4, wherein the positioning fixture further comprises a first guide rod slidably connected with the positioning frame in the vertical direction and a lifting plate connected with the top end of the first guide rod, the positioning fixture is arranged on the lifting plate, and the bottom of the lifting plate is connected with a piston rod of the positioning cylinder.

8. The turnover device of claim 4 or 6, wherein the positioning fixture further comprises a second guide rod slidably connected with the positioning frame in the vertical direction, and the positioning plate is connected with the top end of the second guide rod.

9. An automatic turnover device, characterized in that it comprises a turnover device as claimed in any one of claims 1 to 8.