Workpiece laminating device

Abstract

The utility model provides a workpiece attaching device which is used for attaching a first workpiece to a second workpiece, the workpiece attaching device comprises an installation body, a positioning mechanism, a position recognition mechanism and a grabbing mechanism, and the positioning mechanism is used for limiting the position of the first workpiece; the position identification mechanism is used for identifying the position of a first workpiece on the positioning mechanism; the grabbing mechanism is used for receiving the position information recognized by the position recognition mechanism and grabbing a second workpiece so that the second workpiece can be accurately attached to the first workpiece. And the positioning mechanism, the position recognition mechanism and the grabbing mechanism are all arranged on the mounting main body, so that the fitting yield of workpieces is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece bonding, in particular to a workpiece bonding device. Background Art

[0002] The space bar in a computer keyboard usually uses a design in which double-sided tape is applied to a plastic keycap and an iron piece to improve its strength. The keycap and the iron piece are also manually bonded together, but since the design has strict requirements on the bonding position between the plastic keycap and the iron piece, manual bonding cannot accurately control the bonding position and is very prone to deviation, resulting in a low bonding yield. At the same time, the manual strength and technique are not uniform, resulting in extremely poor bonding stability, making it impossible to carry out mass production of the project.

[0003] Currently, automated equipment for workpiece bonding has been developed, which has improved the bonding speed and bonding stability. However, the bonding accuracy is still difficult to guarantee, and the bonding yield is still a problem that needs to be solved urgently. Utility Model Content

[0004] In view of this, an object of the present invention is to provide a workpiece bonding device, aiming to improve the bonding yield of workpieces.

[0005] The utility model provides a workpiece bonding device, which is used for bonding a first workpiece to a second workpiece. The workpiece bonding device comprises an installation body, a positioning mechanism, a position identification mechanism and a gripping mechanism. The positioning mechanism is used for limiting the position of the first workpiece; the position identification mechanism is used for identifying the position of the first workpiece on the positioning mechanism; the gripping mechanism is used for receiving the position information identified by the position identification mechanism and gripping the second workpiece so as to accurately bond the second workpiece to the first workpiece; the positioning mechanism, the position identification mechanism and the gripping mechanism are all arranged on the installation body.

[0006] In one embodiment, a quick-change carrying fixture is further included, wherein the quick-change carrying fixture is used to carry the first workpiece, and the positioning mechanism includes a first limit member and a positioning area, wherein the first limit member is arranged at the edge of the positioning area to limit the quick-change carrying fixture to be placed in the positioning area.

[0007] In one embodiment, the first limiting member is arranged in an "L" shape, and the first limiting member is arranged at a top corner of the positioning area.

[0008] In one embodiment, the positioning mechanism also includes a second limit member and a first driver, the first limit member and the second limit member are arranged at diagonals of the positioning area, and the first driver is used to drive the second limit member to move in a direction close to the first limit member so that the quick-change carrier fixture located in the positioning area is clamped between the first limit member and the second limit member.

[0009] In one embodiment, a driving mechanism is further included, and the driving mechanism is used to drive the positioning mechanism to enter the position identification mechanism.

[0010] In one embodiment, the driving mechanism includes a second driver and a slide rail, the positioning mechanism and the position identification mechanism are arranged in sequence along the extension direction of the slide rail, the positioning mechanism is slidably connected to the slide rail, and the second driver drives the positioning mechanism to slide along the slide rail so that the positioning mechanism approaches or moves away from the position identification mechanism.

[0011] In one embodiment, the second driver is a linear axis, the slide rail and the linear axis are arranged in parallel on both sides of the position identification mechanism, and two ends of the positioning mechanism are slidably connected with the slide rail and the linear axis respectively.

[0012] In one embodiment, the mounting body is provided with a feeding mechanism, which is used for loading the second workpiece. The position identification mechanism includes a first identification unit and a second identification unit. The first identification unit is used to identify the position of the first workpiece on the positioning mechanism. The grasping mechanism grasps the second workpiece from the feeding mechanism, and after the second identification unit identifies the position of the second workpiece on the grasping mechanism, the second workpiece is attached to the first workpiece of the positioning mechanism.

[0013] In one embodiment, the first recognition unit includes a fixing plate, a camera and a coaxial light source, the camera and the coaxial light source are coaxially arranged on the fixing plate, and the fixing plate is fixed to the installation body.

[0014] In one embodiment, the gripping mechanism includes a base, a plurality of grippers and a fourth driver, each of the grippers is used to grip a second workpiece of a different size, the plurality of grippers are all disposed on the base, the base is fixed to the mounting body, and the fourth driver is used to selectively drive each of the grippers to move downward or upward so that the gripper grabs the second workpiece when moving downward.

[0015] The workpiece bonding device provided by the utility model integrates positioning, position recognition and bonding into one by arranging a positioning mechanism, a position identification mechanism and a gripping mechanism on a mounting body, thereby realizing position fixation of the first workpiece, and after the position identification mechanism obtains the position of the first workpiece, the position information of the first workpiece is transmitted to the gripping mechanism, so that after the gripping mechanism grips the second workpiece, it can purposefully search for a bonding target, and can accurately bond the second workpiece to the first workpiece, thereby improving the efficiency and yield rate of workpiece bonding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A three-dimensional schematic diagram of a workpiece bonding device provided in an embodiment of the utility model.

[0018] Figure 2 for Figure 1 Schematic diagram of top view of the workpiece bonding device.

[0019] Figure 3 for Figure 1 Schematic diagram of the three-dimensional structure of the positioning mechanism and the second identification unit.

[0020] Figure 4 for Figure 3 Schematic diagram of the top view of the central positioning mechanism when no quick-change holder is placed.

[0021] Figure 5 for Figure 3 Schematic diagram of the top view after the quick-change holder is placed in the middle positioning mechanism.

[0022] Figure 6 for Figure 1 A top plan view schematic diagram of the positioning mechanism when the quick-change carrier fixture is not positioned.

[0023] Figure 7 for Figure 1 The top plan view schematic diagram of the positioning mechanism when positioning the quick-change load-bearing fixture is shown in FIG.

[0024] Figure 8 for Figure 1 Schematic diagram of the three-dimensional structure of the medium quick-change load-bearing fixture.

[0025] Fig. 9 for Figure 1 Schematic diagram of the three-dimensional structure of the feeding mechanism and the quick-change loading fixture.

[0026] Fig.10 for Figure 1 Schematic diagram of the three-dimensional structure of the medium-speed quick-change loading fixture.

[0027] Fig.11 for Figure 1 Schematic diagram of the three-dimensional structure of the second recognition unit when identifying the second workpiece on the clamping mechanism.

[0028] Fig.12 for Figure 1Schematic diagram of the three-dimensional structure of the clamping mechanism.

[0029] Fig.13 for Figure 1 Schematic diagram of the structure in which the fourth drive drives the short-size gripper to retract.

[0030] Fig.14 for Figure 1 Schematic diagram of the structure in which the fourth driver drives the short-size gripper to extend.

[0031] Fig.15 for Figure 1 Schematic diagram of the bottom view of two grippers of different sizes.

[0032] : Figure numerals: 10, installation body; 20, positioning mechanism; 21, first limit member; 22, positioning area; 23, second limit member; 24, first driver; 30, position recognition mechanism; 31, first recognition unit; 311, fixing plate; 312, camera; 313, coaxial light source; 32, second recognition unit; 40, clamping mechanism; 41, base; 42, grabber; 43, fourth driver; 44, suction member; 50, quick-change bearing fixture; 51, suction cup; 52, iron bearing boss; 53, handle; 54, avoidance groove; 60, driving mechanism; 61, second driver; 62, slide rail; 70, quick-change loading fixture; 71, keycap bearing boss; 80, feeding mechanism; 81, conveying platform; 82, guide rail; 83, third driver. DETAILED DESCRIPTION

[0033] The following will describe in detail a specific embodiment of the utility model in conjunction with the accompanying drawings. Based on the description of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0034] In the description of the present utility model, unless otherwise clearly specified and limited, the terms "set", "install", "connection" and the like 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 or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0035] The directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of description and simplified description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the utility model.

[0036] The terms "first", "second", "third" and the like are merely used to distinguish elements of similar nature, and do not indicate or imply relative importance or a particular order.

[0037] The terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of the elements listed and may also include additional elements not expressly listed.

[0038] Please refer to Figure 1-Figure 15 The embodiment of the utility model provides a workpiece bonding device for bonding a first workpiece to a second workpiece. The workpiece bonding device includes an installation body 10, a positioning mechanism 20, a position identification mechanism 30 and a gripping mechanism 40. The positioning mechanism 20 is used to define the position of the first workpiece; the position identification mechanism 30 is used to identify the position of the first workpiece on the positioning mechanism 20; the gripping mechanism 40 is used to receive the position information identified by the position identification mechanism 30 and grip the second workpiece to accurately bond the second workpiece to the first workpiece; the positioning mechanism 20, the position identification mechanism 30 and the gripping mechanism 40 are all arranged on the installation body 10.

[0039] Specifically, in the bonding process of the workpieces, the requirements for bonding accuracy and bonding stability are relatively high. The current bonding technology still relies on manual or automated bonding equipment and needs to be improved with respect to the bonding accuracy problem. In this embodiment, a positioning mechanism 20 is set on the installation body 10 to fix the position of the first workpiece to avoid the first workpiece from moving during bonding, a position recognition mechanism 30 is set to obtain the position information of the first workpiece, a gripping mechanism 40 is set, and the gripping mechanism 40 and the position recognition mechanism 30 are connected by signal to obtain the position information of the first workpiece obtained by the position recognition mechanism 30, so as to ensure that the gripping mechanism 40 can accurately position the first workpiece during bonding, and avoid the second workpiece from deviating from the first workpiece position, thereby ensuring the bonding accuracy of the first workpiece and the second workpiece, and the entire bonding process does not require manual intervention, avoiding the indiscriminate errors of manual bonding, and the high mechanical property can ensure the consistency of multiple products, and it is easier to trace the source when a bonding problem occurs in the product, and the bonding strength of the gripping mechanism 40 can be adaptively adjusted to ensure the stability of the workpiece bonding, thereby improving the product yield.

[0040] In this embodiment, the workpiece bonding device also includes a quick-change carrier fixture 50, which is used to carry the first workpiece. The positioning mechanism 20 includes a first limit member 21 and a positioning area 22. The first limit member 21 is arranged at the edge of the positioning area 22, and is used to limit the quick-change carrier fixture 50 to be placed in the positioning area 22.

[0041] Specifically, before loading, multiple first workpieces can be placed on the quick-change carrier jig 50 manually or by other loading equipment, and then the entire quick-change carrier jig 50 with the first workpieces to be bonded can be placed in the positioning area 22. Since the quick-change carrier jig 50 cannot be guaranteed to be accurately positioned in the positioning area 22 every time, the first limiter 21 is provided at the edge of the positioning area 22 to prevent the quick-change carrier jig 50 from exceeding the positioning area 22 in at least one direction. The limiting range of the first limiter 21 depends on its external structure or the number of settings. For example, if the first limiter 21 is a long strip extending linearly, the first limiter 21 can only limit the quick-change carrier jig 50 in one direction; if the first limiter 21 has two long rods set at an angle, when the top corner of the quick-change carrier jig 50 is within the angle, the first limiter 21 can limit the quick-change carrier jig 50 in two adjacent directions.

[0042] Please continue to refer to Fig. 9 In this embodiment, the workpiece bonding also includes a quick-change loading fixture 70 for placing the second workpiece. After the worker places the second workpiece on the quick-change loading fixture 70, the worker places the entire quick-change loading fixture 70 on the installation body 10 to a position where the grasping mechanism 40 can grasp it.

[0043] Furthermore, in order to shorten the grasping stroke of the grasping mechanism 40 and facilitate the loading of the quick-change loading jig 70, the loading station of the quick-change loading jig 70 can be set as close to the edge of the installation body 10 as possible, and then a conveying table 81 and a guide rail 82 are set, and the second identification unit 32 is set at one end of the guide rail 82, and the conveying table 81 is slidably connected to the guide rail 82. The quick-change loading jig 70 is placed on the conveying table 81, and a third driver 83 is set to drive the conveying table 81 to transfer the quick-change loading jig 70 to the second identification unit 32. At this time, the grasping mechanism 40 only needs to directly grasp the second workpiece from the second identification unit 32.

[0044] Furthermore, the quick-change loading fixture 50 is used to place iron parts, and the quick-change loading fixture 70 is used to place key caps. Figure 8The quick-change carrier fixture 50 is provided with a plurality of suction cups 51 arranged in an array, iron bearing bosses 52 and handles 53. A row of suction cups 51 is used to suck and fix an iron sheet. Avoidance grooves 54 are provided on both sides of each row of suction cups 51 to separate the suction cups by a certain width to prevent the suction cups from interfering with each other due to being too close. Iron sheet bosses are provided at both ends of each row of suction cups 51. When the iron sheet is placed, the two ends are placed on the two iron bearing bosses 52, and the middle is sucked by the suction cups 51. The handles 53 are used to manually carry the quick-change carrier fixture 50. Please continue to refer to Fig.10 The quick-change loading fixture 70 is provided with a keycap bearing boss 71. The shape of the keycap bearing boss 71 is similar to that of the keycap, and when the keycap is covered on the keycap bearing boss 71, it can be loosely matched with the keycap bearing boss 71, which can not only facilitate the removal and placement of the keycap, but also play a role in effectively limiting the keycap, and can fix the position of the keycap, which is beneficial to improving the grasping efficiency of the grasping mechanism 40 and the recognition efficiency of the second recognition unit 32.

[0045] In this embodiment, the first position-limiting member 21 is arranged in an “L” shape. The first position-limiting member 21 is arranged at a top corner of the positioning area 22 , and the first position-limiting member 21 opens an angle toward the inside of the positioning area 22 .

[0046] Specifically, the quick-change carrying jig 50 is usually arranged in a direction for easy storage and use. The first limiting member 21 is arranged in an "L" shape and is arranged at the top corner of the positioning area 22, so that the quick-change carrying jig 50 can be placed in the positioning area 22 so that its top corner is just stuck in the opening angle of the first limiting member 21, thereby limiting the movement of the quick-change carrying jig 50 in two directions.

[0047] In this embodiment, the positioning mechanism 20 also includes a second limit member 23 and a first driver 24. The first limit member 21 and the second limit member 23 are arranged at the diagonals of the positioning area 22. The first driver 24 is used to drive the second limit member 23 to move in a direction close to the first limit member 21, so that the quick-change supporting fixture 50 located in the positioning area 22 is clamped between the first limit member 21 and the second limit member 23.

[0048] Specifically, since the quick-change carrier fixture 50 may be manually carried to the positioning area 22, and the manual placement accuracy is low, mechanical positioning can solve this defect. The first driver 24 is preferably a positioning cylinder, and the first driver 24 is fixed to the installation body 10, so that the telescopic stroke of the cylinder is limited, so that the position and distance of each push are consistent, ensuring the stability of the product batch.

[0049] Furthermore, the second stopper 23 is scissor-shaped or "V"-shaped, which can better correspond to the opening angle of the first stopper 21. During the pushing process of the quick-change support fixture 50, along the limiting direction of the first stopper 21, the quick-change support fixture 50 is better fitted with the first stopper 21 to avoid a gap between the first stopper 21 and the second stopper 23. Please continue to refer to Figure 7 It can be clearly seen that the first limiting member 21, in cooperation with the second limiting member 23, can more accurately and completely limit the quick-change carrier fixture 50 within the positioning area 22, which is beneficial to the first recognition unit 31 to accurately recognize the first workpiece. Figure 6 As shown in , the second limiting member 23 does not push the quick-change carrier 50 , so there is a gap between the quick-change carrier 50 and the first limiting member 21 , so that the quick-change carrier 50 is not completely positioned in the positioning area 22 .

[0050] In this embodiment, the workpiece bonding device further includes a driving mechanism 60 , and the driving mechanism 60 is used to drive the positioning mechanism 20 to enter the position identification mechanism 30 .

[0051] Specifically, since the distance of manual handling is limited, the functional components on the installation body 10 tend to be compactly arranged to reduce the space occupied by the equipment, and shorten the connection distance and working distance between each other, so that the operation time between each station is shortened, so as to shorten the overall working time, improve production efficiency, save time and resources. After the first workpiece is manually loaded onto the positioning mechanism 20, the driving mechanism 60 delivers the first workpiece to the position recognition mechanism 30, reducing the difficulty of loading the first workpiece.

[0052] In this embodiment, the driving mechanism 60 includes a second driver 61 and a slide rail 62. The positioning mechanism 20 and the position identification mechanism 30 are arranged in sequence along the extension direction of the slide rail 62. The positioning mechanism 20 is slidingly connected to the slide rail 62. The second driver 61 drives the positioning mechanism 20 to slide along the slide rail 62 so that the positioning mechanism 20 approaches or moves away from the position identification mechanism 30.

[0053] In this embodiment, the second driver 61 is a linear axis, the slide rail 62 and the linear axis are arranged in parallel on both sides of the position recognition mechanism 30, and both ends of the positioning mechanism 20 are slidably connected with the slide rail 62 and the linear axis respectively.

[0054] Specifically, during the sliding of the slide rail 62 of the positioning mechanism 20 , the first workpiece on the positioning area 22 passes through the position recognition mechanism 30 and is aligned with the position recognition mechanism 30 . At this time, the first recognition unit 31 can perform position recognition on the first workpiece in the positioning mechanism 20 .

[0055] In other embodiments, the second driver 61 may also be a cylinder or the like.

[0056] In this embodiment, the installation body 10 is provided with a feeding mechanism 80, which is used for loading the second workpiece. The position recognition mechanism 30 includes a first recognition unit 31 and a second recognition unit 32. The first recognition unit 31 is used to identify the position of the first workpiece on the positioning mechanism 20. The grasping mechanism 40 grasps the second workpiece from the feeding mechanism 80, and after the second recognition unit 32 identifies the position of the second workpiece on the grasping mechanism 40, the second workpiece is attached to the first workpiece located in the positioning mechanism 20.

[0057] Specifically, the first workpiece is loaded onto the positioning mechanism 20 and then delivered to the first identification unit 31 by the second driver 61. The first identification unit 31 identifies the position of each first workpiece in the positioning area 22. The second workpiece is loaded onto the feeding mechanism 80 and then grabbed by the gripping mechanism 40 and transferred to the second identification unit 32. The second identification unit 32 identifies the position of the second workpiece on the gripping mechanism 40. The gripping mechanism 40 combines the positions of the first workpiece and the second workpiece obtained by the first identification unit 31 and the second identification unit 32 to accurately match the second workpiece to the first workpiece and fit them together.

[0058] Furthermore, the feeding mechanism 80 includes a conveying table 81, a guide rail 82 and a third driver 83. The conveying table 81 is slidably connected to the guide rail 82. The guide rail 82 extends from the edge of the mounting body 10 to the second identification unit 32. After the quick-change loading fixture 70 and the second workpiece are manually loaded onto the conveying table 81 of the feeding mechanism 80, the third driver 83 drives the conveying table 81 to slide along the guide rail 82 to deliver the second workpiece to the second identification unit 32.

[0059] In this embodiment, the first recognition unit 31 includes a fixing plate 311 , a camera 312 and a coaxial light source 313 . The camera 311 and the coaxial light source 313 are coaxially arranged on the fixing plate 311 , and the fixing plate 311 is fixed to the installation body 10 .

[0060] Specifically, the camera 312 and the coaxial light source 313 work upward, and the positioning mechanism 20 is located directly above the first recognition unit 31 when the positioning mechanism 30 is aligned with the positioning mechanism 30 .

[0061] Please continue to refer to Figure 13-15 In this embodiment, the gripping mechanism 40 includes a base 41, a plurality of grippers 42 and a fourth driver 43. Each gripper 42 is used to grip a second workpiece of different sizes. The plurality of grippers 42 are all arranged on the base 41. The base 41 is fixed to the mounting body 10. The fourth driver 43 is used to selectively drive each gripper 42 to move down or up so that the gripper 42 grabs the second workpiece when moving down.

[0062] Specifically, the second workpiece can have different lengths according to different product requirements. To avoid the need for additional equipment to fit workpieces of different lengths, a plurality of grippers 42 that can adapt to second workpieces of different lengths are provided in the gripping mechanism 40. Through the selective driving of the fourth driver 43, each gripper 42 is extended to work, while the gripper 42 of an inappropriate size is shortened to avoid the operation of the applicable gripper 42.

[0063] Furthermore, the gripper 42 is provided with a plurality of suction members 44 arranged along the length direction, for suctioning and fixing the second workpiece corresponding to the length of the second workpiece. The fourth driver 43 is preferably a cylinder, which is fixed above the base 41, pushes the gripper 42 downward to drive the gripper 42 to extend, and pulls the gripper 42 upward to drive the gripper 42 to retract.

[0064] The workpiece bonding device provided in the present embodiment integrates positioning, position recognition and bonding into one by arranging a positioning mechanism 20, a position recognition mechanism 30 and a gripping mechanism 40 on the mounting body 10, thereby realizing the position fixation of the first workpiece. After the position recognition mechanism 30 obtains the position of the first workpiece, the position information of the first workpiece is transmitted to the gripping mechanism 40, so that the gripping mechanism 40 can purposefully search for the bonding target after gripping the second workpiece, and can accurately bond the second workpiece to the first workpiece, thereby improving the efficiency and yield of workpiece bonding.

[0065] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the attached claims.

Claims

1. A workpiece bonding device for bonding a first workpiece to a second workpiece, characterized in that: include: Installing the main body (10); A positioning mechanism (20), the positioning mechanism (20) being used to define a position of a first workpiece; A position identification mechanism (30) for identifying the position of the first workpiece on the positioning mechanism (20); A gripping mechanism (40), the gripping mechanism (40) being used to receive the position information identified by the position identification mechanism (30) and to grip the second workpiece so as to accurately fit the second workpiece onto the first workpiece; The positioning mechanism (20), the position identification mechanism (30) and the grasping mechanism (40) are all arranged on the installation body (10).

2. The workpiece bonding device according to claim 1, characterized in that: It also includes a quick-change carrying fixture (50), the quick-change carrying fixture (50) is used to carry a first workpiece, the positioning mechanism (20) includes a first limiting member (21) and a positioning area (22), the first limiting member (21) is arranged at the edge of the positioning area (22), and is used to limit the quick-change carrying fixture (50) to be placed in the positioning area (22).

3. The workpiece bonding device according to claim 2, characterized in that: The first limiting member (21) is arranged in an "L" shape, and the first limiting member (21) is arranged at the top corner of the positioning area (22).

4. The workpiece bonding device according to claim 3, characterized in that: The positioning mechanism (20) further comprises a second limiting member (23) and a first driver (24), wherein the first limiting member (21) and the second limiting member (23) are arranged at diagonals of the positioning area (22), and the first driver (24) is used to drive the second limiting member (23) to move in a direction close to the first limiting member (21), so that the quick-change supporting fixture (50) located in the positioning area (22) is clamped between the first limiting member (21) and the second limiting member (23).

5. The workpiece bonding device according to claim 3, characterized in that: It also includes a driving mechanism (60), wherein the driving mechanism (60) is used to drive the positioning mechanism (20) to enter the position identification mechanism (30).

6. The workpiece bonding device according to claim 5, characterized in that: The driving mechanism (60) comprises a second driver (61) and a slide rail (62); the positioning mechanism (20) and the position identification mechanism (30) are arranged in sequence along the extension direction of the slide rail (62); the positioning mechanism (20) is slidably connected to the slide rail (62); the second driver (61) drives the positioning mechanism (20) to slide along the slide rail (62) so that the positioning mechanism (20) approaches or moves away from the position identification mechanism (30).

7. The workpiece bonding device according to claim 6, characterized in that: The second driver (61) is a linear axis, the slide rail (62) and the linear axis are arranged in parallel on both sides of the position identification mechanism (30), and the two ends of the positioning mechanism (20) are respectively slidably connected to the slide rail (62) and the linear axis.

8. The workpiece bonding device according to claim 1, characterized in that: The mounting body (10) is provided with a feeding mechanism (80), the feeding mechanism (80) being used for feeding a second workpiece, the position recognition mechanism (30) comprising a first recognition unit (31) and a second recognition unit (32), the first recognition unit (31) being used for recognizing the position of the first workpiece on the positioning mechanism (20), the grasping mechanism (40) grasping the second workpiece from the feeding mechanism (80), and after the second recognition unit (32) recognizes the position of the second workpiece on the grasping mechanism (40), the second workpiece is bonded to the first workpiece of the positioning mechanism (20).

9. The workpiece bonding device according to claim 8, characterized in that: The first recognition unit (31) comprises a fixing plate (311), a camera (312) and a coaxial light source (313); the camera (312) and the coaxial light source (313) are coaxially arranged on the fixing plate (311); and the fixing plate (311) is fixed to the installation body (10).

10. The workpiece bonding device according to claim 1, characterized in that: The gripping mechanism (40) comprises a base (41), a plurality of grippers (42) and a fourth driver (43), each of the grippers (42) being used to grip a second workpiece of different sizes, the plurality of grippers (42) being arranged on the base (41), the base (41) being fixed to the mounting body (10), and the fourth driver (43) being used to selectively drive each of the grippers (42) to move downward or upward, so that the grippers (42) grip the second workpiece when moving downward.

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