CN209796699U - Automatic flipping device and its buffer device - Google Patents

Abstract

The utility model provides a memory device for set up the buffer memory work piece in the production water line, memory device including the buffer memory mechanism that is used for the buffer memory work piece with be used for with work piece on the buffer memory mechanism shifts out memory device's transportation manipulator. The utility model provides a memory device includes buffer memory mechanism and transportation manipulator, when realizing the buffer memory work piece through buffer memory mechanism, the accessible transportation manipulator is got the work piece clamp in proper order to other devices on, can realize through the manipulator that the work piece automatic positioning is placed simultaneously, guarantees that the work piece can not misplace.

Description

Automatic flipping device and its buffer device

technical field

The utility model relates to the field of mechanical manufacturing and processing, in particular to a buffer device and automatic turning equipment using the buffer device.

Background technique

During the mechanical manufacturing process of the workpiece, it is usually necessary to turn over different surfaces for processing. Using the original manual flipping method may cause damage to the workpiece or endanger the personal safety of the operator, and the production efficiency is low. At present, there are also some turning devices on the market that can automatically turn the workpiece, but usually they only play the role of auxiliary turning, and manual operation is still required, and it is impossible to realize the buffering of the workpiece and the automatic delivery of the workpiece to the turning device.

Utility model content

The primary purpose of the utility model is to provide a buffer device capable of buffering and transporting workpieces.

Another object of the present invention is to provide an automatic flipping device using the above buffer device.

In order to achieve the above object, the utility model provides the following technical solutions:

As a first aspect, the utility model provides a buffer device for caching workpieces in a production line, and the buffer device includes a buffer mechanism for buffering workpieces and a device for removing workpieces on the buffer mechanism The transport manipulator of the device.

Preferably, the buffering mechanism includes a buffering bracket, a rotating shaft passing through the buffering bracket, a chain conveyor assembly connected to the rotating shaft and used to place workpieces, and a chain conveyor assembly arranged on the buffering bracket and used to drive the A conveying motor that rotates a rotating shaft. The chain plate conveying assembly can be driven to rotate by the conveying motor through the rotating shaft so as to drive the workpiece to move. The conveying manipulator is arranged at the end of the chain plate conveying assembly.

Preferably, the buffer bracket includes a bottom plate and two side plates erected on the left and right ends of the bottom plate, the rotating shaft passes through the two side plates, and the buffer mechanism further includes at least one a support shaft on the side plate and connected to the chain plate conveying assembly; the chain plate conveying assembly includes two chain plate frames erected on the left and right ends of the bottom plate through the rotating shaft and the supporting shaft, respectively. A driving wheel and a driven wheel that are at the front and rear ends of the chain plate frame and can rotate relative to the chain plate frame, and a chain plate wound on the driving wheel and the driven wheel, and the driving wheel is sleeved on the on the rotating shaft and is circumferentially fixed with the rotating shaft.

Preferably, the chain plate frame is slidably connected with the rotating shaft and the support shaft along the axial direction of the rotating shaft, and the buffer mechanism further includes an adjustment assembly for adjusting the distance between the two chain plate frames.

Further, the adjustment assembly includes two adjustment nuts respectively arranged on the two chain plate frames, and two ends of the adjustment screw are respectively connected with the two adjustment nuts, and the two ends of the adjustment screw are respectively provided with External threads of opposite direction of rotation for threaded connection with said adjusting nut.

Preferably, the buffer mechanism further includes a stopper assembly arranged at the end of the chain conveyor assembly and used to stop workpieces on the chain conveyor assembly.

Further, the stop assembly includes a fixed plate arranged at the end of the chain conveyor assembly and arranged flush with the chain plate, and a stop protrusion arranged on the fixed plate and used to stop workpieces.

Preferably, the transportation manipulator includes a transportation guide rail arranged at the end of the buffer mechanism, a transportation fixture that is slidably connected with the transportation guide rail and used to clamp and place workpieces, and a transport fixture that is used to drive the transportation fixture to slide along the transportation guide rail. Transport drive.

Further, the transport fixture includes a lifter and a transport clamp connected with the lifter and driven up and down by the lifter.

As a second aspect, the present invention provides an automatic turning device, comprising the above-mentioned buffer device and a turning device for turning workpieces, and the transport manipulator is used to move the workpieces on the buffer mechanism to the turning device.

Compared with the prior art, the solution of the utility model has the following advantages:

1. The buffer device provided by the utility model includes a buffer mechanism and a transport manipulator. While the buffer mechanism is used to cache the workpiece, the transport manipulator can sequentially clamp the workpiece to other devices, and at the same time, the manipulator can realize the automatic positioning of the workpiece Place to ensure that the workpiece will not be misplaced.

2. The buffer device provided by the utility model includes a chain plate conveying assembly and an adjusting assembly for buffering workpieces. The adjusting assembly is used to adjust the distance between the chain plates at the left and right ends of the chain plate conveying assembly. The adjustable design makes the The chain plate conveying assembly can be adapted to workpieces of different sizes, avoiding misalignment of the workpieces during buffering and improving the compatibility of the automatic turning device.

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

Description of drawings

The above-mentioned and/or additional aspects and advantages of the utility model will become apparent and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, wherein:

Fig. 1 is the perspective view of the automatic turning device provided by the utility model;

Fig. 2 is a perspective view of the automatic turning device shown in Fig. 1 after removing the protective cover;

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

Fig. 4 is an internal structural diagram of the cache mechanism shown in Fig. 3;

Fig. 5 is a perspective view of the turning mechanism shown in Fig. 2;

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

Figure 7 is a perspective view of the transplanting manipulator shown in Figure 2;

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

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, and cannot be construed as limiting the present invention.

Those skilled in the art can understand that, unless otherwise stated, the term "comprising" used in the specification of the present invention refers to the presence of the features, integers, steps, operations, zeros/components and/or components, but does not exclude the presence of Or add one or more other features, integers, steps, operations, parts/parts, components and/or groups thereof. It should be understood that when we refer to a part/component as being "connected" to another part/component, it may be directly connected to the other part/component, or intermediate parts/components may also be present. The expression "and/or" used herein includes all or any elements and all combinations of one or more associated listed items.

As shown in Figure 1, the utility model provides an automatic turning device 1000 for caching, turning and transporting a workpiece 2000. In this embodiment, the workpiece 2000 is a smart lock panel, which is processed in the previous process. It can be turned over to the other side through the automatic turning device 1000, and then transported to the next process for further processing. The buffering, turning and transportation of the workpiece 2000 can be realized simultaneously by one device, so that the automatic turning device 1000 can realize fully automatic operation in the production line without manual operation and improve production efficiency. The automatic overturning device 1000 includes a frame 1 designed for the cabinet and a protective cover 5 arranged on the frame 1, the protective cover 5 is provided with an indicator light 51 for displaying working conditions and for adjusting parameters. With the control panel 52 of the control device, because its structure does not belong to the improvement of the present utility model, so it will not be described in detail.

As shown in FIG. 2 , the automatic turning device 1000 also includes a buffer device 2 , a turning device 3 and a transplanting manipulator 4 which are located in the protective cover 5 and arranged on the frame 1 in sequence.

Specifically, the buffer device 2 is used to buffer the workpieces 2000 and transport the workpieces 2000 to the turning device 3, that is, when the number of the workpieces 2000 is large, they can be piled up on the buffer device 2 first and then transferred by the buffer. The devices 2 are in turn transported to said turning device 3 . The overturning device 3 is used to overturn the workpiece 2000 transported by the buffer device 2 , and the transplanting manipulator 4 is used to move the overturned workpiece 2000 out of the automatic overturning device 1000 .

As shown in FIG. 3 , further, the buffering device 2 includes a buffering mechanism 21 for buffering the workpiece 2000 and a transport robot 22 for gripping the workpiece on the buffering mechanism 21 to the turning mechanism 3 . While the workpiece 2000 is cached by the cache mechanism 21, the workpiece 2000 can be sequentially picked up by the transportation manipulator 22 to the turning device 3 for overturning, and at the same time, the workpiece can be automatically positioned and placed by the manipulator to ensure that the workpiece will not be misplaced , improve the stability of the turning device 3 .

Referring to FIG. 4 and in conjunction with FIG. 3 , the buffer mechanism 21 includes a buffer bracket 211 arranged on the frame 1 , a rotating shaft 212 passing through the buffer bracket 211 and connected to the rotating shaft 212 for placing workpieces. The chain conveyor assembly 213 of 2000, and the conveyor motor 214 arranged on the buffer bracket 211 and used to drive the rotating shaft 212 to rotate, the chain conveyor assembly 213 can be driven by the conveyor motor 214 through the rotary shaft 212 The rotation drives the workpiece 2000 to move, and the transport manipulator 4 is arranged at the end of the chain conveyor assembly 213 .

Specifically, the buffer mechanism 21 also includes two transmission gears 215 fixed on the output shaft of the conveying motor 214 and the rotating shaft 212 respectively, and a synchronous member wound on the two transmission gears 215 (not shown in the figure, the same below), the synchronous part is a chain or a synchronous belt, and the conveying motor 214 can drive the rotating shaft 212 to rotate through the cooperation transmission of the transmission gear 215 and the synchronous part, thereby driving the The chain conveyor assembly 213 operates.

Preferably, the buffering mechanism 21 also includes a planetary reducer 216 connected to the output shaft of the conveying motor 214, through which the planetary reducer 216 can ensure that the conveying motor 214 has sufficient torque during operation, thereby increasing the The stability of the chain plate conveying assembly 213 is described.

Further, the buffer bracket 211 includes a bottom plate 2111 and two side plates 2112 erected at the left and right ends of the bottom plate 2111, the rotating shaft 212 is passed through the two side plates 2112, and the buffer mechanism 21 also includes At least one supporting shaft 217 passes through the two side plates 2112 and is connected to the chain plate conveying assembly 213 .

The chain plate conveying assembly 213 includes two chain plate frames 2131 erected on the left and right ends of the bottom plate 211 through the rotating shaft 212 and the support shaft 217, which are respectively arranged at the front and rear ends of the chain plate frame 2131 and can be opposite to each other. The driving wheel 2132 and the driven wheel 2133 that the chain plate frame 2131 rotates, and the chain plate 2134 that is wound on the driving wheel 2132 and the driven wheel 2133, the driving wheel 2132 is sleeved on the rotating shaft 212 and is connected to the The rotating shaft 212 is fixed circumferentially, and the rotating shaft 212 can drive the driving wheel 2132 to rotate so as to drive the chain plate 2134 to rotate, and then drive the workpiece 2000 placed on the chain plate 2134 .

Preferably, the chain plate 2134 is made of stainless steel, which has high corrosion resistance, reduces friction, and avoids scratching the workpiece 2000 during operation.

Preferably, the chain plate conveying assembly 213 further includes two stop strips 2135 respectively arranged on the chain plate frame 2131 and protruding from the chain plate 2134, and the chain plate 2134 is arranged on the two stop bars 2135 Between the stop bars 2135, when the workpiece 2000 moves on the chain plate 2134, the stop bar 2135 can be used to limit the position, so as to avoid the misalignment of the workpiece due to the accumulation of too many workpieces during operation.

The chain plate frame 2131 is slidably connected with the rotating shaft 212 and the support shaft 217 along the axial direction of the rotating shaft 212 . The buffer mechanism 21 also includes an adjusting assembly 218 for adjusting the distance between the two chain plate frames 2131 .

The adjustment assembly 218 includes two adjustment nuts 2181 respectively arranged on the two chain plate frames 2131, and the two ends are respectively connected with the two adjustment nut threads 2181 and passed through the two side plates 2112 The two ends of the adjusting screw 2182 are respectively provided with external threads in opposite directions and used for threaded connection with the adjusting nut 2181 . The adjustable design enables the chain conveyor assembly 213 to adapt to workpieces 2000 of different sizes, avoiding misalignment of workpieces during buffering and improving the compatibility of the automatic turning device 1000 . In addition, the positions of the two chain plates 2131 can be adjusted synchronously by rotating the adjusting screw 2182, so that they can always maintain a central position, and no repositioning is required after the distance is adjusted, which is convenient for the transport manipulator 22 to grip the workpiece.

The buffer mechanism 21 also includes a stopper assembly 219 arranged at the end of the chain conveyor assembly 213 and used to stop the workpiece 2000 on the chain conveyor assembly 213. The stopper assembly 219 includes a A fixing plate 2191 at the end of the board conveying assembly 213 and arranged flush with the chain plate 2134 and a stop protrusion 2192 arranged on the fixing plate 2191 and used to stop the workpiece 2000 . Specifically, when the workpiece 2000 on the chain plate conveying assembly 213 is transported onto the fixed plate 2191, it is stopped by the stop protrusion 2192 and stops moving until the transport manipulator 22 moves the fixed plate The workpiece 2000 on the 2191 is pinched away, and the chain plate conveying assembly 213 will continue to convey the next workpiece 2000 to the fixed plate 2191, and cycle in turn to realize the buffering of the workpiece.

Preferably, the buffer bracket 211 further includes height-adjustable support legs 2133 made of aluminum profiles, the bottom plate 2111 is connected to the support legs 2133 and erected on the frame 1 through the support legs 2133 , so that the height of the buffer mechanism 21 can be adjusted, so that it can be adjusted to a height suitable for other equipment, so that the workpiece 2000 in the previous process can be transferred to the buffer mechanism 21 .

As shown in FIG. 3 , the transport manipulator 22 includes a transport rail 221 arranged on the frame 1 and a transport fixture 222 slidably connected with the transport rail 221 and used for clamping and placing the workpiece 2000, and for driving the The transport fixture 222 is a transport drive member 100 that slides along the transport guide rail 221 . The transport fixture 222 includes a lifter 2221 and a transport clamper 2222 that is connected to the lifter 2221 and can be driven up and down by the lifter 2221 .

Specifically, the transportation driving part 100 is a rodless cylinder, the lifting part 2221 is a lifting cylinder, and the transportation clamping part 2222 is a pneumatic gripper, and the cost can be optimized and the operation is stable by driving the cylinder. In other embodiments , those skilled in the art can replace it with an electric structure as needed.

As shown in FIG. 5 , the overturning device 3 includes an overturning mechanism 31 for overturning the workpiece 2000 and a positioning mechanism 32 for placing the overturned workpiece 2000 , and the transplanting manipulator 4 is connected with the positioning mechanism 32 .

The turning mechanism 31 includes a turning frame 311 and a turning cylinder 312 , a turning rack 313 , a turning gear 314 , a turning shaft 315 and a turning plate 316 which are all arranged on the turning stand 311 and connected in sequence. The overturning rack 314 is connected with the piston rod of the overturning cylinder 312 and can be driven by the overturning cylinder 312 to perform linear reciprocating motion. 313 , and the turning plate 316 is connected to the turning shaft 315 and is pivotally connected to the turning frame 316 through the turning shaft 315 .

Specifically, when the overturning cylinder 312 drives the overturning rack 314 to do a linear motion, it drives the overturning gear 314 to rotate, thereby driving the overturning shaft 315 fixed in the circumferential direction of the overturning gear 314 to rotate, and then drives the overturning shaft 315 to rotate. The overturning plate 316 connected with 315 rotates to overturn the workpiece 2000 on the overturning plate 316 onto the positioning mechanism 32 .

Preferably, the turning mechanism 31 also includes a limiting protrusion 317 arranged on the turning plate 316 and used for positioning the workpiece 2000, the top of the limiting protrusion 317 is provided with a guide slope (not numbered, the same below) , the position of the workpiece 2000 can be fixed through the limiting protrusion 317 to ensure that the workpiece 2000 can be turned over smoothly, and the top of the limiting protrusion 317 is provided with a guide slope, so that the workpiece 2000 can be snapped into the limiting protrusion 317.

As shown in FIG. 6 , the positioning mechanism 32 includes a positioning frame 321 , a positioning cylinder 322 , a positioning fixture 323 and a positioning plate 324 all disposed on the positioning frame 321 .

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

The positioning fixture 323 includes a driving cylinder 3231 and a positioning jaw 3232 that is connected to the driving cylinder 3231 and can be driven to shrink or expand by the driving cylinder 3231. The positioning plate 324 is provided with a positioning jaw 3232. Pass through the clamping hole 3241 of the positioning plate 324 . When the overturned workpiece 2000 is placed on the positioning plate 324, the positioning jaws 3232 are driven by the positioning cylinder 322 to rise through the clamping hole 3241 and pass through the upper surface of the positioning plate 324, and then pass through the upper surface of the positioning plate 324. The driving cylinder 3231 drives and clamps the workpiece on the positioning plate 324 to realize automatic positioning and alignment of the workpiece.

Preferably, the positioning fixture 323 includes two pairs of the positioning jaws 3232, the clamping directions of the two pairs of the positioning jaws 3232 are perpendicular to each other, and the clamping action of the positioning jaws 3232 in four directions realizes the positioning of the workpiece 2000. Automatic alignment, positioning and fixing the workpiece 2000 at the exact center position, thereby improving the gripping accuracy of the transplanting manipulator 4 .

More preferably, the positioning mechanism 32 further includes a support 325 provided on the positioning frame 321, the positioning plate 324 abuts on the support 325 and slides with the positioning frame 321 in the vertical direction. connect. That is, the positioning plate 324 can be lifted up by the positioning fixture 323 when the positioning cylinder 322 drives the positioning fixture 323 to rise, so as to realize the adjustment of the height of the workpiece 2000 on the positioning plate 324, thereby adapting The height of other equipment connected with the turning device 3 does not need to be provided with an additional height adjustment mechanism, which optimizes the cost.

Specifically, the positioning fixture 323 is slidably connected with the positioning frame 321 through the first guide rod 326 arranged in the vertical direction, and the positioning mechanism 32 also includes a function for setting the positioning fixture 323 and connecting with the first guide rod 326. The lifting plate 327 connected by the guide rod 326, the positioning plate 324 is slidably connected with the positioning frame 321 through the second guide rod 328 arranged in the vertical direction, and the first guide rod 326 and the second guide rod 328 The guiding function ensures the stability of the positioning fixture 323 and the positioning plate 324 during lifting and improves the strength.

As shown in FIG. 7 , the transplanting manipulator 4 includes a three-axis linkage mechanism 41 and a transplanting clamp 42 connected with the three-axis linkage mechanism 41 .

The three-axis linkage mechanism 41 includes an X-axis assembly 411 arranged on the frame 1 and used to drive the transplanting clamp 42 to move in the front and rear direction, and arranged on the X-axis assembly 411 and used to drive the moving fixture 42. The Y-axis assembly 413 that the clamp 42 moves along the left-right direction, and the Z-axis assembly 413 that is arranged on the Y-axis assembly 412 and is used to drive the vertical lift of the transplant clamp 42, the transplant clamp 42 and The Z-axis assembly 413 is connected. The transplanting jig 42 can be driven by the three-axis linkage mechanism 41 to carry out multi-directional mobile clamping and placing of workpieces, without manual adjustment and positioning of workpieces, with higher production efficiency and higher positioning accuracy.

Referring to FIG. 8 and in conjunction with FIG. 7 , the X-axis assembly 411 includes an X-axis guide rail 4112 provided on the frame 1 along the front and rear directions through an X-axis guide rail seat 4111 , and an X-axis guide rail 4112 slidingly connected to the X-axis guide rail 4112. The carriage 4113, and the X-axis motor 4114, the X-axis transmission wheel 4115, the X-axis transmission belt 4116 and the X-axis transmission block 4117 for driving the X-axis carriage 4113 to move. The X-axis motor 4114 is arranged on the X-axis guide rail seat 4111, the X-axis transmission wheel 4115 is connected to the output shaft of the X-axis motor 4114 and can be driven to rotate by the X-axis motor 4114, and the X-axis The transmission belt 4116 is wound around the X-axis transmission wheel 4115 and can be driven to rotate by the X-axis transmission wheel 4115. The X-axis transmission block 4117 is connected with the X-axis transmission belt 4116 and fixed with the X-axis sliding frame 4113. Then, the rotation of the X-axis transmission belt 4116 drives the X-axis carriage 4113 to move along the X-axis guide rail 4112 .

Further, the X-axis assembly 411 also includes an X-axis slider 4118 slidingly connected to the X-axis guide rail 4112, the X-axis sliding frame 4113 is connected to the X-axis slider 4118, through which the X-axis The sliding frame 4113 can improve stability through the cooperative guidance of the X-axis slider 4118 and the 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 arranged on the first Y-axis assembly 412a, and the first Y-axis assembly 412a is arranged on the X-axis The sliding frame 4113 is used to drive the second Y-axis assembly 412b to move in the left-right direction, the Z-axis assembly 413 is arranged on the second Y-axis assembly 412b and can be driven by the second Y-axis assembly 412b direction to move. Through the first Y-axis assembly 412a and the second Y-axis assembly 412b arranged in stages, the moving distance of the transplanting jig 42 is increased while ensuring stability, and the strength is high, and the workpiece can be quickly moved to other equipment.

Specifically, the first Y-axis assembly 412a includes a first Y-axis guide rail seat 4121 connected to the X-axis sliding frame 4113 and a first Y-axis guide rail 4122 arranged on the Y-axis guide rail seat 4121 along the left-right direction. , the second Y-axis assembly 412b is slidingly connected with the Y-axis guide rail seat 4121, and the first Y-axis assembly 412a further includes a Y-axis motor 4123 for driving the movement of the second Y-axis assembly 412b, a Y-axis Transmission wheel 4124, Y-axis transmission belt 4125 and Y-axis transmission block 4126. The Y-axis motor 4123 is arranged on the first Y-axis guide rail seat 4121, and the Y-axis transmission wheel 4124 is connected to the 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. The Y-axis transmission block 4126 is connected with the Y-axis transmission belt 4125 and connected with the second Y-axis The assembly 412b is fixed, so that the rotation of the Y-axis transmission belt 4125 drives the second Y-axis assembly 412b to move along the first Y-axis guide rail 4122 .

The second Y-axis assembly 412b includes a second Y-axis guide rail seat 4127 fixedly connected to the Y-axis transmission block 4126 and slidably connected to the first Y-axis guide rail 4122. The second Y-axis guide rail 4128 on the axis guide rail seat 4127, the Y-axis carriage 4129 slidingly connected with the second Y-axis guide rail 4128, and the Y-axis carriage 4129 connected with and used to drive the Y-axis carriage 4129 moves the rodless cylinder 100, and the Z-axis assembly 413 is arranged on the Y-axis carriage 4129.

Both the X-axis assembly 411 and the Y-axis assembly 412 use transmission wheels and transmission belts as transmission parts, which have a stable structure and can reduce noise. reduce manufacturing cost.

Preferably, the height of the first Y-axis guide rail seat 4121 relative to the X-axis sliding frame 4113 is adjustable to suit the height of other devices, and both are made of aluminum alloy 6061, which can reduce weight and The burden of the X-axis motor 4114 eliminates the need to use a more powerful motor, further optimizing the cost.

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

The Z-axis assembly 413 is a lifting cylinder, and the transplanting fixture 42 includes a clamp seat 421 that is connected to the Z-axis assembly 413 and can be driven up and down by the Z-axis assembly 413, and a Two pneumatic grippers 422. Due to the lower cost of the pneumatic gripper, the production cost of the automatic turning device 1000 can be further reduced.

It should be understood that, in other embodiments, the pneumatic gripper 422 can also be replaced with an electric gripper, and the gripping point can be controlled with high precision by adjusting the start-stop and rotation speed of the motor in the electric gripper. The impact on the workpiece 2000 is minimized during the gripping action.

The foregoing is only a partial implementation of the utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can also be made without departing from the principle of the utility model. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (9)

1. A cache device is used for setting cache workpieces in a production line and is characterized by comprising a cache mechanism used for caching the workpieces and a conveying manipulator used for moving the workpieces on the cache mechanism out of the cache device;

Buffer memory mechanism includes the buffer memory support, wear to locate last pivot of buffer memory support and with the link joint conveying subassembly that the pivot is connected and is used for placing the work piece, and locate buffer memory support is last and be used for the drive the rotatory conveying motor of pivot, the link joint conveying subassembly accessible the pivot by conveying motor drive rotates and drives the work piece and removes, transportation manipulator locates link joint conveying subassembly's end.

2. The buffer device according to claim 1, wherein the buffer support comprises a bottom plate and two side plates erected at the left and right ends of the bottom plate, the rotating shaft is arranged on the two side plates in a penetrating manner, and the buffer mechanism further comprises at least one supporting shaft arranged on the two side plates in a penetrating manner and connected with the chain plate conveying assembly;

The chain plate conveying assembly comprises a rotating shaft and a supporting shaft which are arranged on two chain plate frames arranged at the left end and the right end of the bottom plate, the chain plate frames are respectively arranged at the front end and the rear end of each chain plate frame and can be opposite to each other, the rotating shaft is arranged on the driving wheel and driven wheels, and the chain plates are arranged on the driving wheel and driven wheels, and the driving wheel sleeves are arranged on the rotating shaft and circumferentially fixed with the rotating shaft.

3. The buffer device as claimed in claim 2, wherein the link plate frame is slidably connected to the rotating shaft and the supporting shaft along the axial direction of the rotating shaft, and the buffer mechanism further comprises an adjusting component for adjusting the distance between the two link plate frames.

4. The cache device according to claim 3, wherein the adjusting assembly comprises two adjusting nuts respectively disposed on the two chain plate frames, and an adjusting screw rod respectively connected with the two adjusting nuts at two ends thereof, and the two ends of the adjusting screw rod are respectively provided with external threads with opposite turning directions and used for being in threaded connection with the adjusting nuts.

5. The buffer device of claim 2, wherein the buffer mechanism further comprises a stopping assembly disposed at an end of the slat conveyor assembly for stopping the workpiece on the slat conveyor assembly.

6. The buffer memory device according to claim 5, wherein the stopping component comprises a fixing plate disposed at the end of the conveying component and flush with the chain plate, and a stopping protrusion disposed on the fixing plate and used for stopping the workpiece.

7. The buffer device as claimed in claim 1, wherein the transportation robot comprises a transportation rail disposed at the end of the buffer mechanism, a transportation clamp slidably connected to the transportation rail and used for clamping and placing the workpiece, and a transportation driving member for driving the transportation clamp to slide along the transportation rail.

8. the buffer device as claimed in claim 7, wherein the transportation clamp comprises a lifting member and a transportation clamping member connected to the lifting member and driven to lift by the lifting member.

9. An automatic turnover device, characterized in that, comprises a buffer device according to any one of claims 1 to 8 and a turnover device for turning over workpieces, and the transportation robot is used for moving the workpieces on the buffer mechanism to the turnover device.