Positioning device and assembling equipment

Abstract

The utility model discloses a positioning device and assembling equipment. The positioning device comprises a bearing platform, a first positioning assembly and a second positioning assembly. The bearing platform comprises a bearing surface, a first positioning part and a second positioning part, the bearing surface is provided with an adsorption part for adsorbing a workpiece, the first positioning part is used for positioning the first main body, and the second positioning part is used for positioning the second main body. The first positioning assembly comprises two first clamping blocks, and the two first clamping blocks move relatively to clamp the two opposite sides of the second body in the first direction. The second positioning assembly comprises two second clamping blocks, and the two second clamping blocks can move relatively so as to clamp the two opposite sides of the second main body in the second direction. The positioning device is used for assembling the flat cable, after the flat cable is positioned at the preset position on the bearing surface, the flat cable can be more stably positioned by adsorbing the flat cable through the adsorption part, the flat cable is loosened by the first positioning assembly and the second positioning assembly, and the product is adsorbed by the mounting assembly to move towards the preset position, so that the product is connected with the flat cable.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of positioning jigs, and particularly relates to a positioning device and an assembling equipment. BACKGROUND

[0002] When the flat cable is assembled by using the assembling equipment, the flat cable needs to be connected to the solder pad. However, since the position of the flat cable is difficult to fix, the flat cable is often assembled in a deviation position, which causes the internal copper wire of the assembled flat cable to be torn. CONTENT OF THE UTILITY MODEL

[0003] Therefore, it is necessary to provide a positioning device capable of positioning a flat cable.

[0004] Embodiments of the application provide a positioning device. The positioning device is used for positioning a workpiece, and the workpiece includes a first body and a second body connected to each other. The positioning device includes a bearing platform, a first positioning assembly, and a second positioning assembly. The bearing platform includes a bearing surface, a first positioning part, and a second positioning part. The bearing surface is provided with a suction part used for suctioning the workpiece. The first positioning part is used for positioning the first body. The second positioning part is used for positioning the second body. The first positioning assembly includes two first clamping blocks. The two first clamping blocks are relatively movable to clamp opposite sides of the second body along a first direction. The second positioning assembly includes two second clamping blocks. The two second clamping blocks are relatively movable to clamp opposite sides of the second body along a second direction. The second direction is perpendicular to the first direction.

[0005] In the above positioning device, the workpiece is borne by the bearing surface, the first body of the workpiece is positioned by the first positioning part, the opposite sides of the second body along the first direction are clamped by the two first clamping blocks through relative movement, and the opposite sides of the second body along the second direction are clamped by the two second clamping blocks through relative movement, so as to position the second body of the workpiece. In this way, the workpiece can be positioned at a preset position of the bearing platform. When the positioning device is used for assembling the flat cable, the flat cable can be more stably positioned by suctioning the flat cable through the suction part after the flat cable is positioned at the preset position on the bearing surface. The first positioning assembly and the second positioning assembly are loosened, and the installation assembly can suck the product to move towards the preset position, so as to connect the product to the flat cable.

[0006] In some embodiments, the first positioning part is a positioning groove, the first body has a protrusion, and the positioning groove can accommodate the protrusion to position the first body. The suction part includes a first suction hole, and the first suction hole is located on the circumferential side of the positioning groove to suction the first body to the bearing surface.

[0007] In some embodiments, the support platform further includes a second positioning part, which is a groove provided on the support surface. The groove has two side walls, which are spaced apart along a second direction to preposition the opposite sides of the second body along the second direction. The relative movement of the two first clamping blocks can clamp the opposite sides of the second body located in the groove along the first direction. The adsorption part further includes a second adsorption hole, which is located on one side of the groove to adsorb the second body onto the support surface.

[0008] In some embodiments, the support platform has a through hole, and two first clamping blocks are disposed in the through hole so that the two first clamping blocks can clamp the second body in the groove.

[0009] In some embodiments, the first positioning component includes a driving member, a pushing block, a guide member, and two first elastic members. The driving member is connected to the pushing block, which is disposed between the two first clamping blocks. The first clamping blocks are slidably connected to the guide member, which extends along a first direction. Each first clamping block is connected to a first elastic member. The driving member is used to drive the pushing block to move in a vertical direction, so that the two first clamping blocks move in opposite directions and open the two first clamping blocks to place the second body. The first elastic members are used to reset the two first clamping blocks so that the two first clamping blocks clamp the second body.

[0010] In some embodiments, the push block has two inclined surfaces, the distance between the two inclined surfaces gradually decreases toward the first clamping block, and each first clamping block is connected to a roller, which can slide along the inclined surface so that the movement of the push block toward the first clamping block can drive the two first clamping blocks to move in opposite directions.

[0011] In some embodiments, the second positioning component further includes two slide cylinders and two second elastic members, each of which is connected to a slide cylinder and a second clamping block respectively. The slide cylinder can drive the second clamping block to move along a second direction, and the second elastic member is elastically compressed when the two second clamping blocks clamp the second body.

[0012] In some embodiments, the second clamping block near the first body has a gap with the bearing surface, and the first body is located in the gap when the two second clamping blocks clamp the second body.

[0013] In some embodiments, the adsorption part further includes a third adsorption hole, and the workpiece further includes a third body connected to the first body. The third adsorption hole is used to adsorb the third body onto the bearing surface.

[0014] Embodiments of this application also provide an assembly device, including a transfer component, an installation component, and a positioning device as described in the previous embodiment. The transfer component is used to move a workpiece to a bearing surface, the positioning device is used to position the workpiece on the bearing surface, and the installation component is used to move the product toward the bearing surface, thereby connecting the product to the workpiece.

[0015] In the above assembly device, the workpiece is transferred to the positioning device by the transferring assembly, so that the workpiece is positioned at the preset position of the bearing surface, and the mounting assembly moves the product towards the preset position after the first positioning assembly and the second positioning assembly release the workpiece, so that the product is connected to the workpiece, and the assembly of the workpiece is completed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of the positioning assembly in an embodiment of the present application.

[0017] Figure 2 is Figure 1 is a partial structural schematic diagram of the positioning assembly in the embodiment.

[0018] Figure 3 is Figure 1 is a partial structural schematic diagram of the bearing platform in the embodiment.

[0019] Figure 4 is Figure 1 is a partial structural schematic diagram of the first positioning assembly in the embodiment.

[0020] Figure 5 is Figure 4 is a front view of the first positioning assembly in the embodiment.

[0021] Figure 6 is a schematic diagram of the workpiece in an embodiment of the present application.

[0022] Explanation of main element symbols.

[0023] 100, positioning device; 10, bearing platform; 101, through hole; 11, bearing surface; 12, first positioning part; 121, positioning groove; 13, second positioning part; 131, groove; 1311, side wall; 13111, accommodating groove; 14, adsorption part; 141, first adsorption hole; 142, second adsorption hole; 143, third adsorption hole; 20, first positioning assembly; 21, first clamping block; 211, roller; 22, driving piece; 23, pushing block; 231, inclined surface; 24, guide piece; 25, first elastic piece; 26, support; 30, second positioning assembly; 31, second clamping block; 32, slide cylinder; 33, second elastic piece; 40, support; X, first direction; Y, second direction; Z, vertical direction; 200, workpiece; 2001, first main body; 2002, second main body; 2003, third main body.

[0024] The following specific embodiments will further illustrate the present application in conjunction with the above drawings. Specific embodiments

[0025] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application.

[0026] It should be noted that when one element is considered to be "connected" to another element, it can be directly connected to the other element or can exist simultaneously with a centrally arranged element. When one element is considered to be "arranged" on another element, it can be directly arranged on the other element or can exist simultaneously with a centrally arranged element. In the present application, unless otherwise specified and limited, the terms "connected", "fixed" and the like should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the specification of the present application is only for the purpose of describing specific embodiments and is not intended to limit the present application.

[0028] In the description of the embodiments of the present application, the technical terms "first", "second" and the like are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0029] In the description of the embodiments of the present application, the term "vertical" is used to describe the ideal state between two components. In the actual production or use state, there can be an approximate vertical state between the two components. The two components described as "vertical" can not be an absolute straight line, plane, but can be approximately straight or planar, and the overall extension direction is straight or planar from a macroscopic point of view. The components can be considered as "straight line" or "plane".

[0030] Reference to "embodiments" herein means that the specific features, structures or properties described in conjunction with the embodiments can be included in at least one embodiment of the present application. The phrase appears in various places in the specification does not necessarily all refer to the same embodiments, nor are they necessarily mutually exclusive or alternative embodiments to each other. The various embodiments in the present application can be combined with each other without conflict.

[0031] It should be noted that the thickness, length, width and other dimensions of various components in the embodiments of the present application shown in the drawings are only exemplary and should not constitute any limitation on the present application.

[0032] In the process of assembling the flat cable by using the assembly device, the flat cable needs to be connected to the soldering pad. However, since the position of the flat cable is difficult to fix, the flat cable is often assembled in a deviation position, which causes the internal copper wire of the assembled flat cable to be torn.

[0033] Embodiments of the present application provide a positioning device. The positioning device is used for positioning a workpiece, and the workpiece includes a first body and a second body connected to each other. The positioning device includes a bearing platform, a first positioning assembly, and a second positioning assembly. The bearing platform includes a bearing surface, a first positioning part, and a second positioning part. The bearing surface is provided with a suction part for suctioning the workpiece. The first positioning part is used for positioning the first body. The second positioning part is used for positioning the second body. The first positioning assembly includes two first clamping blocks. The two first clamping blocks are relatively movable to clamp opposite sides of the second body along a first direction. The second positioning assembly includes two second clamping blocks. The two second clamping blocks are relatively movable to clamp opposite sides of the second body along a second direction. The second direction is perpendicular to the first direction.

[0034] In the above positioning device, the workpiece is carried by the bearing surface, and the first body of the workpiece is positioned by the first positioning part. The opposite sides of the second body along the first direction are clamped by the two first clamping blocks through relative movement. The opposite sides of the second body along the second direction are clamped by the two second clamping blocks through relative movement, so as to position the second body. In this way, the workpiece can be positioned at a preset position of the bearing platform. When the positioning device is used for assembling the flat cable, the flat cable can be stably positioned by suctioning the flat cable through the suction part after the flat cable is positioned at the preset position on the bearing surface. The first positioning assembly and the second positioning assembly are loosened, and the mounting assembly can move the product towards the preset position, so as to connect the product to the flat cable.

[0035] The embodiments of the present application are further described below with reference to the drawings.

[0036] Please refer to Figure 1 Embodiments of the present application provide an assembly device (not shown in the figure). The assembly device includes a transplanting assembly (not shown in the figure), a mounting assembly (not shown in the figure), and a positioning device 100. The transplanting assembly is used for transferring a workpiece 200 (please refer to Figure 6 ) to a preset position of the positioning device 100. The positioning device 100 is used for positioning the workpiece 200 at the preset position. The mounting assembly is used for moving a product towards the preset position, so as to connect the product to the workpiece 200.

[0037] In some embodiments, the workpiece 200 is a flat cable. The flat cable is thin in thickness and soft in texture. The product is a soldering pad. The connection of the flat cable to the soldering pad can complete the assembly of the flat cable.

[0038] Please refer to Figure 6In some embodiments, the workpiece 200 includes a first body 2001, a second body 2002 and a third body 2003, and the second body 2002 and the third body 2003 are connected to the first body 2001.

[0039] Please refer to Figures 2 to 4 The positioning device 100 includes a bearing platform 10, a first positioning assembly 20 and a second positioning assembly 30. The bearing platform 10 is provided with a preset position, and the bearing platform 10 can bear and position the workpiece 200. The first positioning assembly 20 is used for clamping the opposite sides of the second body 2002 along a first direction X. The second positioning assembly 30 is used for clamping the opposite sides of the second body 2002 along a second direction Y. The first direction X and the second direction Y are two horizontal directions perpendicular to each other. The first positioning assembly 20 and the second positioning assembly 30 can position the second body 2002 on the bearing platform 10 to prevent the second body 2002 from moving on the bearing platform 10.

[0040] The first positioning assembly 20 includes two first clamping blocks 21, and the first positioning assembly 20 can clamp and fix the second body 2002 by moving the two first clamping blocks 21 relatively. The second positioning assembly 30 includes two second clamping blocks 31, and the second positioning assembly 30 can further clamp and fix the second body 2002 by moving the two second clamping blocks 31 relatively, so as to position the second body 2002 at the preset position of the bearing surface 11.

[0041] The bearing platform 10 includes a bearing surface 11 and a first positioning portion 12. The bearing surface 11 is used for bearing the workpiece 200. The first positioning portion 12 is provided on the bearing surface 11, and is used for positioning the first body 2001 to position the position of the first body 2001. The bearing surface 11 is provided with a plurality of adsorption portions 14 for adsorbing the workpiece 200. The adsorption portions 14 can adsorb the workpiece 200 to the bearing surface 11, so that the first body 2001 positioned by the first positioning portion 12 is adsorbed to the bearing surface 11, and the second body 2002 positioned by the first positioning assembly 20 and the second positioning assembly 30 is adsorbed to the bearing surface 11, so as to further adsorb and fix the workpiece 200 positioned at the preset position, to prevent the workpiece 200 from deviating from the preset position.

[0042] When the positioning device 100 is used for assembling the flat cable, the workpiece 200 is first transferred to the positioning device 100 using the transfer assembly. After the first main body 2001 is aligned with the first positioning part 12, the suction part 14 adsorbs and fixes the first main body 2001 to the bearing surface 11. After the first positioning assembly 20 and the second positioning assembly 30 clamp the second main body 2002, the suction part 14 adsorbs and fixes the second main body 2002 to the bearing surface 11, so that the flat cable is positioned at the preset position of the bearing surface 11. Then the first positioning assembly 20 and the second positioning assembly 30 are loosened to release the flat cable. Finally, the mounting assembly moves the product towards the preset position to connect the product with the flat cable.

[0043] In some embodiments, the side of the flat cable away from the bearing surface 11 has an adhesive, and the flat cable and the product are connected through the adhesive.

[0044] Please refer to Figure 2 In some embodiments, the second positioning assembly 30 further comprises two slide table cylinders 32 and two second elastic members 33. Each second elastic member 33 is connected to one slide table cylinder 32 and one second clamping block 31. Each slide table cylinder 32 can drive one second clamping block 31 to move along the second direction Y, so that the two second clamping blocks 31 can clamp or release the second main body 2002. The second elastic member 33 is elastically compressed when the two second clamping blocks 31 clamp the second main body 2002. The slide table cylinder 32 provides a flexible clamping force for the second clamping block 31 through the second elastic member 33, so that the clamping of the two second clamping blocks 31 to the second main body 2002 can buffer and absorb the shock to prevent the second clamping block 31 from directly impacting the second main body 2002 and causing damage to the workpiece 200.

[0045] In some embodiments, the second elastic member 33 is a spring.

[0046] In some embodiments, the second clamping block 31 close to the first main body 2001 is arranged spaced apart from the bearing surface 11, so that the second clamping block 31 close to the first main body 2001 has a gap (not shown in the figure) with the bearing surface 11. The first main body 2001 is located in the gap when the two second clamping blocks 31 clamp the second main body 2002, so as to prevent the second clamping block 31 from interfering with the workpiece 200.

[0047] The thickness of the gap is greater than the thickness of the first main body 2001, so as to prevent the second clamping block 31 from interfering with the workpiece 200. The bearing surface 11 is stepped. The height of the part of the bearing surface 11 used to contact the first main body 2001 is lower than the height of the part of the bearing surface 11 used to contact the second main body 2002 and the third main body 2003, so as to adapt to the shape of the workpiece 200 and better position the workpiece 200.

[0048] Please refer to Figure 3In some embodiments, the first positioning part 12 is a positioning groove 121. The first body 2001 has a protrusion (not shown in the figure) on the side of the first body 2001 facing the bearing surface 11. The positioning groove 121 can accommodate the protrusion to position the first body 2001.

[0049] The adsorption part 14 includes a first adsorption hole 141, which is located on the side of the positioning groove 121 to adsorb the part of the first body 2001 outside the positioning groove 121 to the bearing surface 11.

[0050] In some embodiments, the first adsorption hole 141 is a circular hole, and multiple first adsorption holes 141 adsorb the first body 2001 to more stably fix the first body 2001 to the bearing surface 11.

[0051] In some embodiments, the positioning groove 121 is a cross-shaped groove, and the protrusion matches the positioning groove 121 to limit the position of the first body 2001 along the first direction X and the second direction Y to prevent the first body 2001 from moving in the horizontal direction relative to the bearing surface 11.

[0052] Please refer to Figure 3 In some embodiments, the bearing platform 10 further includes a second positioning part 13. The second positioning part 13 is a groove 131 provided on the bearing surface 11. The groove 131 has two side walls 1311 spaced apart along the second direction Y to pre-position the opposite sides of the second body 2002 along the second direction Y, thereby avoiding the second body 2002 from moving too long along the second direction Y under the action of the second positioning assembly 30. The relative movement of the two first clamping blocks 21 can clamp the opposite sides of the second body 2002 along the first direction X inside the groove 131 to prevent the second body 2002 from moving along the first direction X inside the groove 131. The relative movement of the two second clamping blocks 31 can clamp the opposite sides of the second body 2002 along the second direction Y to prevent the second body 2002 from sliding along the second direction Y inside the groove 131, thereby fixing part of the second body 2002 to the groove 131.

[0053] In some embodiments, the groove 131 is U-shaped.

[0054] The adsorption part 14 further includes a second adsorption hole 142. The second adsorption hole 142 is located on the side of the groove 131, and the second adsorption hole 142 is located on the side of the groove 131 extending towards the second body 2002 to adsorb the part of the second body 2002 outside the groove 131 to the bearing surface 11.

[0055] In some embodiments, the adsorption part 14 further includes a third adsorption hole 143. The third body 2003 is connected to the side of the first body 2001 facing the second body 2002 (see Figure 6). The third adsorption hole 143 is used to adsorb the third body 2003 to the bearing surface 11, so as to adsorb the third body 2003 to the bearing surface 11.

[0056] In some embodiments, one of the side walls 1311 has a containing groove 13111 for containing part of the second body 2002. According to the shape of the second body 2002, the containing groove 13111 is arranged to contain part of the second body 2002, so that the positioning device 100 is more adaptable to the workpiece 200 and can more stably position the workpiece 200.

[0057] In some embodiments, the bearing platform 10 has a through hole 101. The through hole 101 can contain two first clamping blocks 21 to pass through and extend along the first direction X. The two first clamping blocks 21 are arranged to pass through the through hole 101, and the two first clamping blocks 21 can be relatively moved along the first direction X to clamp or release the second body 2002 in the groove 131.

[0058] In some embodiments, the length of the part of the second body 2002 located in the groove 131 along the first direction X is greater than the length of the two side walls 1311 along the first direction X, so that the two first clamping blocks 21 can clamp the second body 2002.

[0059] Please refer to Figure 4 and Figure 5 In some embodiments, the first positioning assembly 20 includes a driving member 22, a pushing block 23, a guide member 24, and two first elastic members 25. The driving member 22 is connected to the pushing block 23. The pushing block 23 is arranged between the two first clamping blocks 21. The first clamping block 21 is slidingly connected to the guide member 24, and the guide member 24 extends along the first direction X to guide the first clamping block 21 to move along the first direction X. The driving member 22 is used to drive the pushing block 23 to move along the vertical direction Z, so that the two first clamping blocks 21 move away from each other. Each first clamping block 21 is connected to a first elastic member 25, and the first elastic member 25 is used to reset the two first clamping blocks 21, so that the two first clamping blocks 21 are elastically reset to clamp the two opposite sides of the second body 2002 along the first direction X.

[0060] In some embodiments, the first elastic member 25 is a spring.

[0061] In some embodiments, the positioning device 100 further includes a support 40, and the bearing platform 10, the sliding table air cylinder 32, and the driving member 22 are all mounted on the support 40.

[0062] In some embodiments, the first positioning assembly 20 further comprises a bracket 26 fixedly connected to the support 40. The guide 24 is a slide rail fixedly connected to the bracket 26 and extending along the first direction X. The first clamping blocks 21 are slidingly connected to the slide rail to guide the first clamping blocks 21 to move along the first direction X. The first elastic members 25 are respectively connected to the bracket 26 and the first clamping blocks 21, so that the two first clamping blocks 21 can clamp the second body 2002 and buffer and absorb shocks of the first clamping blocks 21 and the second body 2002, to prevent the workpiece 200 from being damaged by direct impact of the first clamping blocks 21 and the second body 2002.

[0063] In some embodiments, the driving member 22 is a pneumatic cylinder capable of driving the push block 23 to move up and down.

[0064] In some embodiments, the push block 23 has two inclined surfaces 231. The distance between the two inclined surfaces 231 gradually decreases towards the first clamping blocks 21. The lower end of each first clamping block 21 is rotatably connected to a roller 211. The roller 211 can slide along the inclined surface 231, so that the movement of the push block 23 towards the first clamping blocks 21 can drive the two first clamping blocks 21 to move smoothly.

[0065] In some embodiments, the side of the two first clamping blocks 21 facing each other and the side of the two second clamping blocks 31 facing each other are provided with metal rubber to prevent the two first clamping blocks 21 and the two second clamping blocks 31 from clamping the second body 2002.

[0066] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or replacements within the technical scope disclosed in the present application should be covered within the disclosure scope of the present application.

Claims

1. A positioning device for positioning a workpiece, the workpiece comprising a first body and a second body connected together, characterised in that, The positioning device comprises: a bearing platform comprising a bearing surface and a first positioning part, the first positioning part being arranged on the bearing surface, the bearing surface being provided with a suction part for suction of the workpiece, the first positioning part being used for positioning the first body; a first positioning assembly comprising two first clamping blocks, the two first clamping blocks being movable relative to each other to clamp opposite sides of the second body along a first direction; a second positioning assembly comprising two second clamping blocks, the two second clamping blocks being movable relative to each other to clamp opposite sides of the second body along a second direction, the second direction being perpendicular to the first direction.

2. The positioning device of claim 1, wherein, The first positioning part is a positioning groove, the first body has a protrusion, and the positioning groove can accommodate the protrusion to position the first body. The suction part comprises a first suction hole, and the first suction hole is located on the side of the positioning groove to suction the first body to the bearing surface.

3. The positioning device of claim 2, wherein, The bearing platform further comprises a second positioning part, the second positioning part being a groove arranged on the bearing surface, the groove having two side walls, the two side walls being arranged along the second direction to pre-position opposite sides of the second body along the second direction, and the two first clamping blocks being movable relative to each other to clamp opposite sides of the second body along the first direction. The suction part further comprises a second suction hole, and the second suction hole is located on one side of the groove to suction the second body to the bearing surface.

4. The positioning device of claim 3, wherein, The bearing platform has a through hole, and the two first clamping blocks are arranged in the through hole, so that the two first clamping blocks can clamp the second body in the groove.

5. The positioning device of claim 1, wherein, The first positioning assembly comprises a driving member, a pushing block, a guide member and two first elastic members, the driving member is connected to the pushing block, the pushing block is arranged between the two first clamping blocks, the first clamping blocks are slidingly connected to the guide member, the guide member extends along the first direction, each first clamping block is connected to a first elastic member, the driving member is used to drive the pushing block to move along the vertical direction, so that the two first clamping blocks move away from each other, the first elastic members are used to reset the two first clamping blocks to clamp the second body.

6. The positioning device of claim 5, wherein, The pushing block has two inclined surfaces, the distance between the two inclined surfaces gradually decreases towards the first clamping blocks, each first clamping block is connected to a roller, the roller can slide along the inclined surface, and the movement of the pushing block towards the first clamping blocks can drive the two first clamping blocks to move away from each other.

7. The positioning device of claim 1, wherein, The second positioning assembly further comprises two slide cylinder and two second elastic members, each second elastic member is connected to a slide cylinder and a second clamping block, the slide cylinder can drive the second clamping block to move along the second direction, and the second elastic member is elastically compressed when the two second clamping blocks clamp the second body.

8. The positioning device of claim 1, wherein, The second clamping block close to the first body has a gap with the bearing surface, and the first body is located in the gap when the two second clamping blocks clamp the second body.

9. The positioning device of claim 1, wherein, The adsorption part further comprises a third adsorption hole, and the workpiece further comprises a third main body connected to the first main body, and the third adsorption hole is used for adsorbing the third main body to the bearing surface.

10. An assembly apparatus, characterized by The positioning device comprises a transplanting assembly, a mounting assembly and a positioning device as claimed in any one of claims 1 to 9, the transplanting assembly is used for moving the workpiece to the bearing surface, the positioning device is used for positioning the workpiece on the bearing surface, and the mounting assembly is used for moving the product towards the bearing surface, so that the product is connected to the workpiece.

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