Workpiece transfer device and stacking production line

Abstract

The utility model relates to the technical field of workpiece moving devices, and discloses a workpiece transfer device and a stacking production line, the device comprises a support frame, and a synchronization assembly, a power assembly, a telescopic assembly and at least two material taking assemblies which are arranged on the support frame; the power assembly is in transmission connection with the synchronous assembly, the material taking assemblies are in transmission connection with the synchronous assembly, and at least one material taking assembly is in transmission connection with the synchronous assembly through the telescopic assembly. The power assembly drives the two material taking assemblies to move back and forth in the first direction, and when the two material taking assemblies move oppositely, the telescopic assembly drives the material taking assembly connected with the telescopic assembly to move in the second direction to avoid the other material taking assembly. The material taking assembly is used for sucking workpieces. According to the scheme, the at least two material taking assemblies alternately move in the first direction, continuous transferring of the workpieces in the first direction is achieved, the conveying efficiency is improved, and the material taking assemblies can move in the second direction through the telescopic assemblies in the back-and-forth moving process, so that interference with the material taking assemblies moving in the opposite direction is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece moving devices, and in particular to a workpiece transferring device and a stacking production line. Background Art

[0002] Stacking equipment is a type of mechanical equipment used in industry and logistics, primarily for automated stacking, retrieval, transshipment, and storage management of goods. It is widely used in modern warehouses and production lines to improve space utilization, reduce labor costs, and increase operational efficiency. In the sheet metal processing industry, stacking equipment is often installed after processing equipment such as stamping machines and laser cutting equipment to stack processed sheet metal workpieces. Due to operating environment or equipment structure limitations, there may be a distance between the processing equipment and the stacking equipment, necessitating a transfer device to transfer workpieces between the two devices.

[0003] Chinese patent CN202410380805.7 discloses a lateral automatic stacking device for a stamping line, comprising a transition roller and a discharge trolley. The transition roller is arranged at the blanking position of the mold, and a trolley upper table is provided on the top of the discharge trolley. The position of the trolley upper table is adjusted by a lifting component, and the lifting component is arranged inside the discharge trolley. A moving component is provided at the bottom of the discharge trolley, so that the discharge trolley can be quickly moved to the blanking position of the mold. The present invention can replace manual automatic stacking, reduce safety hazards, and the transport frame and the transition roller are height-adjustable to solve the problem of scratching the plate surface after dropping from a high place. At the same time, the gear position can be adjusted according to the shape of the sheet, and it can be patted to ensure the neatness of the stacking. When side stacking processing is not required, the discharge trolley can be moved to other positions, with high flexibility and automation, improving work efficiency. The conveying structure in this scheme needs to be improved.

[0004] The utility model overcomes the shortcomings of the prior art and provides a workpiece transfer device and a stacking production line, which can realize the transfer of workpieces in the vertical direction. Utility Model Content

[0005] The main purpose of the utility model is to provide a workpiece transfer device, comprising a support frame, a synchronization component, a power component, a telescopic component and at least two material-retrieving components, wherein the synchronization component, the power component, the telescopic component and the material-retrieving component are arranged on the support frame;

[0006] The power assembly is in transmission connection with the synchronization assembly, the material taking assembly is in transmission connection with the synchronization assembly, and at least one of the material taking assembly is in transmission connection with the synchronization assembly via the telescopic assembly;

[0007] The power assembly drives the two retrieving assemblies to move back and forth along the first direction. When the two retrieving assemblies move toward each other, the telescopic assembly drives the retrieving assembly connected thereto to move along the second direction to avoid the other retrieving assembly.

[0008] The material taking component is used for sucking the workpiece.

[0009] Optionally, the power assembly includes a motor, an output shaft and a driving wheel, the motor is arranged on the support frame, the output end of the motor is transmission-connected to the output shaft, the driving wheel is arranged on the output shaft, and the driving wheel rotates synchronously with the output shaft.

[0010] Optionally, the synchronization assembly includes a synchronization belt, a synchronization wheel, a first linear guide rail and a second linear guide rail, the synchronization wheel is hinged to the support frame, the synchronization belt is wound around the synchronization wheel and the driving wheel, the first linear guide rail and the second linear guide rail are respectively parallel to the first direction, and the first linear guide rail and the second linear guide rail are arranged front and back along the second direction;

[0011] The synchronous belt is provided with at least two straight sections, and the two straight sections respectively cover the first linear guide rail and the second linear guide rail. The material picking assembly is connected to the straight sections via a pressing block, and the material picking assembly is slidably connected to the first linear guide rail and / or the second linear guide rail.

[0012] Optionally, the synchronous wheels are distributed in a rectangular shape with four corners, the synchronous belt between the front and rear synchronous wheels is the straight line interval, the upper middle part of the upper synchronous wheel is the driving wheel, and adjusting wheels are respectively provided between the driving wheel and the synchronous wheels on both sides, the synchronous belt is wound around the adjusting wheels, and the adjusting wheels are used to adjust the tension of the synchronous belt.

[0013] Optionally, the material picking assembly includes a first material picking assembly and a second material picking assembly, and the two straight sections are respectively connected to a material picking assembly through a pressing block, wherein the first material picking assembly is slidably connected to the first linear guide rail, and the second material picking assembly is slidably connected to the second linear guide rail.

[0014] Optionally, the material picking assembly includes a movable plate, a suction cup and a connecting frame, the connecting frame is used to connect the movable plate and the suction cup, the two sides of the movable plate are slidingly connected to the first linear guide rail and / or the second linear guide rail through sliders, and the two sides of the movable plate are fixedly connected to the straight section of the synchronous belt through a pressing block.

[0015] Optionally, the telescopic component is provided on a movable plate in the second retrieving component, and the telescopic component is connected to a connecting frame of the second retrieving component, driving the connecting frame of the second retrieving component to telescope along the second direction;

[0016] When the first picking assembly moves to the middle of the first linear guide rail along the first direction, the telescopic assembly drives the connecting frame in the second picking assembly to move away from the first picking assembly along the second direction;

[0017] When the first material picking component moves along the first direction to the upper side or lower side of the first linear guide rail, the telescopic component drives the connecting frame in the second material picking component to approach the first material picking component along the second direction, and the suction cup of the second material picking component is located directly above or directly below the suction cup of the first material picking component.

[0018] Optionally, the telescopic assembly includes a guide plate, a guide rod, a cam, a lifting shaft, a telescopic plate and a scissor-type telescopic rod;

[0019] The guide plate is provided on the support frame, and the guide plate is provided with a guide groove, the upper and lower parts of the guide groove are straight, and the middle part is concave and curved along the second direction away from the first material taking assembly;

[0020] The guide rod and the lifting shaft are arranged on the movable plate of the second material taking assembly in parallel with the second direction and can be telescopically moved through the movable plate;

[0021] One end of the lifting shaft is hinged to the cam, and the other end is connected to the telescopic plate. The cam is arranged in the guide groove and rolls along the guide groove.

[0022] The middle part of the cross rod of the scissor-type telescopic rod is hinged to the telescopic plate. One end of the cross rod of the scissor-type telescopic rod is hinged to the movable plate of the second material-taking assembly through a connecting rod, and the other end is hinged to the connecting frame of the second material-taking assembly.

[0023] Optionally, when the movable plate moves along the second linear guide rail, the cam moves along the guide groove direction to drive the lifting shaft to telescopically move along the second direction, and the telescopic movement of the lifting shaft drives the scissor-type telescopic rod to open or close;

[0024] When the movable plate moves to the upper side or the lower side of the second linear guide rail, the cam moves from the curved position of the guide groove to the straight position of the guide groove, the lifting shaft approaches the first picking assembly along the second direction, and the lifting shaft pushes the telescopic plate to open the scissor-type telescopic rod, and the suction cup of the second picking assembly is located directly above or directly below the suction cup of the first picking assembly;

[0025] When the movable plate moves to the middle of the second linear guide rail, the cam moves from the straight position of the guide groove to the curved position of the guide groove, and the lifting shaft moves away from the first material picking component along the second direction. The lifting shaft pulls the telescopic plate to make the scissor-type telescopic rod closed, and the positive projection of the suction cup of the second material picking component in the first direction does not overlap with the projection of the suction cup of the first material picking component in the first direction.

[0026] The present invention also provides a stacking production line, comprising the above-mentioned workpiece transfer device and a stacking assembly, wherein the workpiece transfer device moves the workpiece to the stacking assembly for stacking.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The workpiece transfer device provided by the present invention realizes continuous transfer of the workpiece in the first direction by alternately moving at least two material-picking components along the first direction, thereby improving the conveying efficiency. In addition, the material-picking components can be moved along the second direction through the telescopic components during the reciprocating movement to avoid interference with the material-picking components moving in opposite directions. The material-picking components pick up materials by suction, which is suitable for scenarios where materials are picked up in the vertical direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] One or more embodiments are exemplarily illustrated by corresponding drawings, which do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0030] Figure 1 This is a schematic diagram of an embodiment of the workpiece transfer device of the present utility model Figure 1 ;

[0031] Figure 2 This is a schematic diagram of an embodiment of the workpiece transfer device of the present utility model Figure 2 ;

[0032] Figure 3 This is a top view of an embodiment of a workpiece transfer device of the present utility model;

[0033] Figure 4 This is a cross-section of an embodiment of the workpiece transfer device of the present utility model Figure 1 ;

[0034] Figure 5 This is a cross-section of an embodiment of the workpiece transfer device of the present utility model Figure 2 ;

[0035] Figure 6 This is a cross-section of an embodiment of the workpiece transfer device of the present utility model Figure 3 ;

[0036] Figure 7 This is a schematic diagram of the telescopic assembly of an embodiment of the workpiece transfer device of the present utility model;

[0037] Figure 8 This is a telescopic schematic diagram of an embodiment of a workpiece transfer device of the present utility model;

[0038] Figure 9This is a schematic diagram of an embodiment of a stacking production line of the present utility model.

[0039] Reference numerals:

[0040] 10-workpiece transfer device; 110-support frame; 120-synchronization assembly; 121-synchronization belt; 122-synchronization wheel; 123-first linear guide; 124-second linear guide; 125-pressing block; 126-adjusting wheel; 130-power assembly; 131-motor; 132-output shaft; 133-driving wheel; 140-telescopic assembly; 141-guide plate; 1411-guide groove; 142-guide Rod; 143-cam; 144-lifting shaft; 145-telescopic plate; 146-scissor-type telescopic rod; 147-connecting rod; 150-material picking assembly; 151-first material picking assembly; 152-second material picking assembly; 153-movable plate; 154-suction cup; 155-connecting frame; 156-slider; 200-feeding assembly 200; 300-beating assembly; 400-material receiving assembly; 500-operating equipment. DETAILED DESCRIPTION

[0041] To facilitate understanding of the present invention, the following describes the present invention in more detail with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" another element, it may be directly attached to the other element, or one or more intervening elements may be present. When an element is described as being "connected to" another element, it may be directly connected to the other element, or one or more intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and similar expressions used in this specification are for illustrative purposes only. In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or implicitly specifying the number of technical features indicated. Therefore, unless otherwise specified, features specified as "first" or "second" may explicitly or implicitly include one or more of such features; "plurality" means two or more. The term "comprising" and any variations thereof are intended to be non-exclusive, and one or more other features, integers, steps, operations, units, components, and / or combinations thereof may be present or added.

[0042] In addition, unless otherwise expressly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or internal communication between two components. All technical and scientific terms used in this specification have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used in this specification includes any and all combinations of one or more related listed items.

[0043] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0044] During the production process of sheet materials, after the finished products are discharged from the stamping equipment or other operating equipment after processing, they need to be transported to the stacking equipment for stacking and transfer. Due to the limitations of the environment, the operating equipment and the structure of the stacking equipment itself, or the influence of other factors, the feed port of the stacking equipment and the discharge port of the operating equipment are located at the same height or the height difference is small, which cannot meet the requirements of the stacking equipment for feeding from above. Therefore, the workpiece needs to be lifted to a certain height before it can be fed smoothly. One of the applicable scenarios of the embodiment of this scheme is to lift the workpiece to a certain height in the vertical direction, and then the workpiece is transported to the stacking equipment for feeding and stacking through other conveying devices. At this time, the first direction is the vertical z direction, and the second direction is the horizontal x or y direction. In addition, adjusting the placement position of the scheme of this embodiment is also applicable to the transfer of workpieces in the horizontal direction.

[0045] The following embodiments are described using the transfer of a workpiece in a vertical direction, but do not limit the present invention to being used only for the movement of a workpiece in a vertical direction.

[0046] like Figure 1-8 , which is a schematic diagram of an embodiment of a workpiece transfer device provided by the present invention.

[0047] Please refer to Figure 1-8 This embodiment of the workpiece transfer device is primarily used for vertical movement of workpieces. This embodiment includes a support frame 110, a synchronization assembly 120, a power assembly 130, a telescopic assembly 140, and at least two retrieving assemblies 150. The synchronization assembly 120, power assembly 130, telescopic assembly 140, and retrieving assemblies 150 are mounted on the support frame 110. The support frame 110 is used to support each component at a predetermined height and to connect the components.

[0048] The power assembly 130 is in transmission connection with the synchronization assembly 120, and the feeding assembly 150 is in transmission connection with the synchronization assembly 120. At least one feeding assembly 150 is in transmission connection with the synchronization assembly 120 via the telescopic assembly 140. The power assembly 130 drives the two feeding assemblies 150 to move back and forth along a first direction. The first direction can be specifically the vertical z-direction. The power assembly 130 drives the two feeding assemblies 150 to move from bottom to top and then from top to bottom at a certain interval frequency. When the two feeding assemblies 150 move toward each other, the telescopic assembly 140 drives the feeding assembly 150 connected thereto to move along a second direction to avoid the other feeding assembly. The second direction can be specifically the horizontal x-direction. The telescopic assembly 140 drives the feeding assembly 150 connected thereto to avoid the other feeding assembly 150 along the x-direction to prevent collision and interference between the two feeding assemblies 150 when moving in the z-direction.

[0049] The material picking assembly 150 is used to pick up the workpiece. The picking method can be vacuum picking or magnetic picking. This embodiment uses magnetic picking to pick up the workpiece, which is suitable for picking up iron workpieces.

[0050] This embodiment is arranged at the discharge port of the operating equipment, and the workpiece is lifted to a certain height and then moved to the inlet of the stacking receiving equipment through other conveying devices, so that the workpiece can be fed from above the stacking receiving equipment.

[0051] In one embodiment, the power assembly 130 includes a motor 131, an output shaft 132, and a driving pulley 133. The motor 131 is mounted on the support frame 110. The output end of the motor 131 is in driving connection with the output shaft 132. The driving pulley 133 is mounted on the output shaft 132 and rotates synchronously with the output shaft 132. The motor 131 drives the output shaft 132 and the driving pulley 133 to rotate, thereby achieving power output.

[0052] In one embodiment, the synchronization assembly 120 includes a synchronization belt 121, a synchronization pulley 122, a first linear guide 123, and a second linear guide 124. The synchronization pulley 122 is hingedly connected to the support frame 110. The synchronization belt 121 is wound around the synchronization pulley 122 and the driving pulley 133. The power output by the motor 131 is transmitted to the synchronization pulley 122 and the synchronization belt 121, driving the synchronization belt 121 to move. The first linear guide 123 and the second linear guide 124 are respectively parallel to the first direction, that is, the first linear guide 123 and the second linear guide 124 are arranged vertically. The first linear guide 123 and the second linear guide 124 are arranged parallel to each other in the second direction, that is, there is a gap between them in the horizontal x-direction. The synchronization belt 121 has at least two straight sections, and the two straight sections respectively cover the first linear guide 123 and the second linear guide 124. The material taking assembly 150 is connected to the linear section via a pressing block 125 , and the first linear guide rail 123 and the second linear guide rail 124 are respectively slidably connected to one material taking assembly 150 .

[0053] The synchronous belt 121 drives the material picking assembly 150 to move in the vertical direction along the first linear guide rail 123 or the second linear guide rail 124. The synchronous belt 121 plays a role in power transmission, and the first linear guide rail 123 or the second linear guide rail 124 plays a role in guidance.

[0054] Furthermore, there are four synchronous pulleys 122 arranged in a rectangular pattern with four corners, and the area of ​​the synchronous belt 121 between the front and rear synchronous pulleys is a straight line. A driving pulley 133 is located in the upper middle portion of the upper synchronous pulley 122. Adjusting pulleys 126 are located between the driving pulley 133 and the two synchronous pulleys on each side. The synchronous belt 122 is wound around the adjusting pulleys 126, forming an S-shape between the upper synchronous pulley 122, the driving pulley 133, and the adjusting pulleys 126. The adjusting pulleys 126 are used to adjust the tension of the synchronous belt 121.

[0055] Specifically, there are two sets of synchronous wheels 122, each containing four synchronous wheels 122. The two sets of synchronous wheels 122 are symmetrically distributed, corresponding to two synchronous belts and two driving wheels 133, all symmetrically distributed. This design connects the two sides of the movable plate of the reclaiming assembly 150, ensuring that the reclaiming assembly 150 remains stable and balanced when moving in the vertical direction.

[0056] In one embodiment, there are two retrieving assemblies, namely a first retrieving assembly 151 and a second retrieving assembly 152. The two linear sections are each connected to a retrieving assembly 150 via a pressing block 125. The first retrieving assembly 151 is slidably connected to the first linear guide 123, and the second retrieving assembly 152 is slidably connected to the second linear guide 124. The first retrieving assembly 151 is located in front of the second retrieving assembly 152.

[0057] Furthermore, the material removal assembly 150 includes a movable plate 153, a suction cup 154, and a connecting frame 155. The connecting frame 155 is used to connect the movable plate 153 and the suction cup 154. The connecting frame 155 extends a certain length in the x-direction. The suction cup 154 ​​is specifically an electromagnetic suction cup. The two sides of the movable plate 153 are slidably connected to the first linear guide rail 123 and / or the second linear guide rail 124 via sliders 156. The two sides of the movable plate 153 are fixedly connected to the linear section of the synchronous belt 121 via pressure blocks 125.

[0058] Specifically, the telescopic assembly 140 is provided on the movable plate 153 in the second picking assembly 152, and the telescopic assembly 140 is connected to the connecting frame 155 of the second picking assembly 152, that is, the telescopic assembly 140 is located between the movable plate 153 and the connecting frame 155 of the second picking assembly 152. The telescopic assembly 140 is used to drive the connecting frame 155 of the second picking assembly 152 to extend and retract along the second direction. When the suction cup 154 ​​of the second picking assembly 152 moves along the vertical direction and interferes with the suction cup of the first picking assembly 151, the telescopic assembly 140 retracts the suction cup of the second picking assembly 152 to avoid interference; when the two do not interfere, the telescopic assembly 140 pushes the suction cup of the second picking assembly 152 to extend and be located in the same vertical plane as the first picking assembly 151, so as to facilitate picking and unloading. The following is a detailed description:

[0059] When the first picking assembly 151 moves in the first direction (upward or downward) to the middle of the first linear guide 123, the telescopic assembly 140 drives the connecting frame of the second picking assembly 152 in the second direction (backward) away from the first picking assembly 151, preventing interference and collision between the two and achieving alternating movement. When the first picking assembly 151 moves in the first direction (upward or downward) to the upper or lower side of the first linear guide 123, the telescopic assembly 140 drives the connecting frame of the second picking assembly 152 in the second direction (forward) closer to the first picking assembly 151, and the suction cup of the second picking assembly 142 is directly above or below the suction cup of the first picking assembly 141.

[0060] In one embodiment, the telescopic assembly 140 includes a guide plate 141, a guide rod 142, a cam 143, a lifting shaft 144, a telescopic plate 145, and a scissor-type telescopic rod 146. The guide plate 141 is mounted on the support frame 110 and is provided with a guide slot 1411. The upper and lower portions of the guide slot 1411 are linear, while the middle portion is concave and curved in the second direction (rearward) away from the first retrieving assembly 151. The guide rod 142 and lifting shaft 144 are mounted parallel to the second direction on the movable plate of the second retrieving assembly 152 and can extend and retract through the movable plate 153. One end of the lifting shaft 144 is hinged to the cam 143, and the other end is connected to the telescopic plate 145. The cam 143 is mounted in the guide slot 1411 and rolls along the guide slot 1411. The scissor-type telescopic rod 146 is composed of two crossed rods, the middle part of the crossed rod is hinged to the telescopic plate 145, one end of the crossed rod of the scissor-type telescopic rod 146 is hinged to the movable plate 153 of the second material-taking assembly 152 through the connecting rod 147, and the other end is hinged to the connecting frame 155 of the second material-taking assembly 152.

[0061] There are multiple guide plates 141, specifically three in this embodiment. The three guide plates 141 are arranged in parallel, and the corresponding guide grooves 1411 of the guide plates 141 are also arranged in parallel. Correspondingly, there are three lifting shafts 144 and three cams 143. The guide grooves 1411 of the guide plates 141 control the opening and closing frequency of the scissor-type telescopic rod 146, and thus the movement frequency of the second material removal assembly 152 in the second direction.

[0062] Specifically, when the movable plate 153 of the second material picking assembly 152 moves along the second linear guide rail 124, the cam 143 rolls along the guide groove 1411, driving the lifting shaft 144 to move telescopically in the second direction. The telescopic movement of the lifting shaft 144 drives the scissor-type telescopic rod 146 to open or close. The specific process of opening and closing the scissor-type telescopic rod 146 is as follows:

[0063] like Figure 5-6 As shown, as the movable plate 153 of the second picking assembly 152 moves to the upper or lower side of the second linear guide rail 124, the cam 143 moves from the curved position in the guide groove 1411 to a linear position. The lifting shaft 144 approaches the first picking assembly 151 in the second direction. The lifting shaft 144 pushes the telescopic plate 145 to open the scissor-type telescopic rod 146. The suction cup 154 ​​of the second picking assembly 152 is located directly above or below the suction cup of the first picking assembly 151. Directly below is the picking position, and directly above is the unloading position.

[0064] When the movable plate 153 of the second material picking component 152 moves to the middle of the second linear guide rail 124, the cam 143 moves from the straight position of the guide groove 1411 to the curved position, and the lifting shaft 144 moves away from the first material picking component 151 along the second direction. The lifting shaft 144 pulls the telescopic plate 145 to make the scissor-type telescopic rod 146 closed. The suction cup 154 ​​of the second material picking component 152 is projected in the first direction and the suction cup 154 ​​of the first material picking component 151 is projected in the first direction without overlapping, thereby realizing the alternation of the first material picking component 151 and the second material picking component 152 when they move up and down.

[0065] like Figure 9 As shown, the utility model also provides an embodiment of a stacking production line.

[0066] Please refer to Figure 9 The stacking production line embodiment includes the above-mentioned workpiece transfer device 10, and also includes a stacking component, which is specifically a feeding component 200, a beating component 300 and a receiving component 400. After the workpiece is discharged from the operating equipment 500, it is vertically moved to the feeding component 200 through the workpiece transfer device 10. The feeding component moves the workpiece to the beating component 300, beats it for centering, and then unloads it to the receiving component 400. The receiving component 400 is used for collecting and stacking workpieces.

[0067] To sum up, the embodiment of the workpiece transfer device provided by the present invention realizes continuous transfer of the workpiece in the first direction by alternately moving at least two material-picking components along the first direction, thereby improving the conveying efficiency, and the material-picking components can be moved along the second direction through the telescopic components during the reciprocating movement to avoid interference with the material-picking components moving in opposite directions. The material-picking components use suction to pick up materials, which is suitable for scenarios where materials are picked up in the vertical direction.

[0068] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Under the idea of ​​the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes in different aspects of the present invention as described above. For the sake of simplicity, they are not provided in detail. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A workpiece transfer device, characterized in that: It includes a support frame, a synchronization component, a power component, a telescopic component and at least two material-retrieving components, wherein the synchronization component, the power component, the telescopic component and the material-retrieving component are arranged on the support frame; The power assembly is in transmission connection with the synchronization assembly, the material taking assembly is in transmission connection with the synchronization assembly, and at least one of the material taking assembly is in transmission connection with the synchronization assembly via the telescopic assembly; The power assembly drives the two retrieving assemblies to move back and forth along the first direction. When the two retrieving assemblies move toward each other, the telescopic assembly drives the retrieving assembly connected thereto to move along the second direction to avoid the other retrieving assembly. The material taking component is used for sucking the workpiece.

2. The workpiece transfer device according to claim 1, characterized in that: The power assembly includes a motor, an output shaft and a driving wheel. The motor is arranged on the support frame. The output end of the motor is transmission-connected to the output shaft. The driving wheel is arranged on the output shaft. The driving wheel rotates synchronously with the output shaft.

3. The workpiece transfer device according to claim 2, characterized in that: The synchronization assembly includes a synchronization belt, a synchronization wheel, a first linear guide and a second linear guide, the synchronization wheel is hinged to the support frame, the synchronization belt is wound around the synchronization wheel and the driving wheel, the first linear guide and the second linear guide are respectively parallel to the first direction, and the first linear guide and the second linear guide are arranged front and back along the second direction; The synchronous belt is provided with at least two straight sections, and the two straight sections respectively cover the first linear guide rail and the second linear guide rail. The material picking assembly is connected to the straight sections via a pressing block, and the material picking assembly is slidably connected to the first linear guide rail and / or the second linear guide rail.

4. The workpiece transfer device according to claim 3, characterized in that: The synchronous wheels are distributed in a rectangular shape with four corners, the synchronous belt between the front and rear synchronous wheels is the straight line section, the driving wheel is located above the middle of the upper synchronous wheel, and adjusting wheels are provided between the driving wheel and the synchronous wheels on both sides. The synchronous belt is wound around the adjusting wheels, and the adjusting wheels are used to adjust the tension of the synchronous belt.

5. The workpiece transfer device according to claim 3, characterized in that: The material picking assembly includes a first material picking assembly and a second material picking assembly, and the two straight sections are respectively connected to a material picking assembly through a pressing block, wherein the first material picking assembly is slidably connected to the first linear guide rail, and the second material picking assembly is slidably connected to the second linear guide rail.

6. The workpiece transfer device according to claim 5, characterized in that: The material picking assembly includes a movable plate, a suction cup and a connecting frame, the connecting frame is used to connect the movable plate and the suction cup, the two sides of the movable plate are slidingly connected to the first linear guide rail and / or the second linear guide rail through sliders, and the two sides of the movable plate are fixedly connected to the straight section of the synchronous belt through pressing blocks.

7. The workpiece transfer device according to claim 6, characterized in that: The telescopic component is provided on a movable plate of the second retrieving component, and the telescopic component is connected to the connecting frame of the second retrieving component, driving the connecting frame of the second retrieving component to extend and retract along the second direction; When the first picking assembly moves to the middle of the first linear guide rail along the first direction, the telescopic assembly drives the connecting frame in the second picking assembly to move away from the first picking assembly along the second direction; When the first material picking component moves along the first direction to the upper side or lower side of the first linear guide rail, the telescopic component drives the connecting frame in the second material picking component to approach the first material picking component along the second direction, and the suction cup of the second material picking component is located directly above or directly below the suction cup of the first material picking component.

8. The workpiece transfer device according to claim 7, characterized in that: The telescopic assembly includes a guide plate, a guide rod, a cam, a lifting shaft, a telescopic plate and a scissor-type telescopic rod; The guide plate is provided on the support frame, and the guide plate is provided with a guide groove, the upper and lower parts of the guide groove are straight, and the middle part is concave and curved along the second direction away from the first material taking assembly; The guide rod and the lifting shaft are arranged on the movable plate of the second material taking assembly in parallel with the second direction and can be telescopically moved through the movable plate; One end of the lifting shaft is hinged to the cam, and the other end is connected to the telescopic plate. The cam is arranged in the guide groove and rolls along the guide groove. The middle part of the cross rod of the scissor-type telescopic rod is hinged to the telescopic plate. One end of the cross rod of the scissor-type telescopic rod is hinged to the movable plate of the second material-taking assembly through a connecting rod, and the other end is hinged to the connecting frame of the second material-taking assembly.

9. The workpiece transfer device according to claim 8, characterized in that: When the movable plate moves along the second linear guide rail, the cam moves along the guide groove direction to drive the lifting shaft to telescopically move along the second direction, and the telescopic movement of the lifting shaft drives the scissor-type telescopic rod to open or close; When the movable plate moves to the upper side or the lower side of the second linear guide rail, the cam moves from the curved position of the guide groove to the straight position of the guide groove, the lifting shaft approaches the first picking assembly along the second direction, and the lifting shaft pushes the telescopic plate to open the scissor-type telescopic rod, and the suction cup of the second picking assembly is located directly above or directly below the suction cup of the first picking assembly; When the movable plate moves to the middle of the second linear guide rail, the cam moves from the straight position of the guide groove to the curved position of the guide groove, and the lifting shaft moves away from the first material picking component along the second direction. The lifting shaft pulls the telescopic plate to make the scissor-type telescopic rod closed, and the positive projection of the suction cup of the second material picking component in the first direction does not overlap with the projection of the suction cup of the first material picking component in the first direction.

10. A stacking production line, characterized in that: It comprises the workpiece transfer device according to any one of claims 1 to 9, and further comprises a stacking assembly, wherein the workpiece transfer device moves the workpiece to the stacking assembly for stacking.

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