Large-size core board PIN sleeving device

Abstract

The utility model relates to the technical field of core board PIN sleeving devices. The large-size core board PIN sleeving device comprises a fusion machine assembly, and the fusion machine assembly comprises a fusion machine workbench, a fusion machine working groove and a positioning sleeve; and the parallel movement structure comprises a supporting column, a fixed seat, a clamping strip, a clamping seat, a movable plate, a threaded seat and a heavy-load lead screw. A power source is provided for the servo motor through an external power source, the servo motor can drive the coupler, the connecting plate and the four sets of linear bearings to move synchronously after being started, friction between the linear bearings and the fixed guide shaft can be reduced through the arrangement of the four sets of linear bearings, the stability of the connecting plate in the moving process can be improved, and the service life of the connecting plate is prolonged. And when the positioning columns descend to the lowest position, the four sets of positioning columns can be inserted into the four sets of positioning sleeves, the positioning accuracy of the connecting plate can be improved, the amplitude generated in the core plate moving process can be reduced through the design, and the repeated positioning accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to core plate sleeve PIN device technical field, more specifically, it relates to a large size core plate sleeve PIN device. BACKGROUND

[0002] The automatic PIN sleeve device of the core plate is usually used in the production process of electronic equipment, especially in the assembly process, the device uses automatic technology to insert PIN into the core plate, such equipment can improve production efficiency, reduce labor cost and human error, and improve product consistency, the device can automatically insert PIN components into the predetermined position, and reduce manual operation.

[0003] At present, the large size core plate sleeve PIN device in the prior art has the following problems in the process of use: the existing part of the automatic PIN sleeve device of the core plate usually adopts the traditional screw rod module mechanism for lifting movement, the small size core plate (less than 30 inches) is grabbed by the whole suction cup suction core plate, the transverse transmission adopts the traditional truss manipulator with gear and rack as the transmission mechanism, and positioning is performed by relying on the transmission positioning accuracy of the truss manipulator itself, so that the repeatability positioning accuracy of the whole transmission is poor, and for the large core plate (49 inches), the repeatability positioning accuracy is poorer due to the larger load and longer size; and the suction cups of part of the existing equipment are usually fixed in arrangement, which is inconvenient to adjust according to the size of the core plate, so that the edge of the core plate may not be convenient to adsorb when the equipment sucks the large size core plate, which may cause the core plate to deform, or affect the grabbing process, therefore, a large size core plate sleeve PIN device is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a large size core plate sleeve PIN device to solve the problems in the above background art.

[0005] The utility model provides the following technical scheme: a large size core plate sleeve PIN device, comprising:

[0006] The fusion machine assembly comprises a fusion machine workbench, a fusion machine working groove and a positioning sleeve, and the positioning sleeve is provided with four groups.

[0007] The parallel motion structure comprises a supporting column, a fixed seat, a clamping strip, a clamping seat, a moving plate, a threaded seat and a heavy load screw rod, the supporting column is provided with four groups, and the fixed seat, the clamping strip and the clamping seat are all provided with two groups.

[0008] The lifting movement structure comprises fixed guide shafts, ball screws, couplings, connecting plates, positioning columns and electromagnetic valve assemblies, the upper ends of the four fixed guide shafts are fixedly connected to the lower surface of the moving plate, and the positions and sizes of the four positioning columns are matched with those of the four positioning sleeves;

[0009] The side suction disc assemblies are provided with two groups, and each side suction disc assembly comprises connecting screws, abutting nuts, side end suction discs and limiting columns.

[0010] Preferably, the working groove of the fusion machine is arranged in the upper surface of the fusion machine workbench, the four positioning sleeves are fixedly connected to the four corners of the upper surface of the fusion machine workbench, and the outer surface of the fusion machine workbench is provided with heat dissipation openings, and the heat dissipation openings are provided in multiple groups.

[0011] Preferably, the upper ends of the four supporting columns are fixedly connected to the fixed frames, the fixed frames are provided with two groups, the two ends of the two groups of fixed frames are fixedly connected to the fixed seats, the two groups of clamping strips are fixedly connected to the surfaces on the opposite sides of the two groups of fixed frames, and the four supporting columns are fixedly connected to the ground.

[0012] Preferably, the two groups of clamping seats are clamped on the outer surfaces of the two groups of clamping strips, the two sides of the upper surface of the moving plate are fixedly connected to the lower surfaces of the two groups of clamping seats, the threaded seat is fixedly connected to the middle position of the upper surface of the moving plate, the heavy-load screw is threadedly connected to the inner portion of the threaded seat, the upper surface of one group of fixed seats is provided with a heavy-load linear motor, one end of the heavy-load linear motor is fixedly connected to one end of the heavy-load screw, the other end of the heavy-load screw is connected to the inner bearing of the other group of fixed seats, the heavy-load linear motor can be powered by an external power source, and after the heavy-load linear motor is started, it can drive the heavy-load screw to rotate, thereby driving the threaded seat, the moving plate and the two groups of clamping seats to move.

[0013] Preferably, the outer surface of the upper end of the four sets of fixed guide shafts is fixedly connected with a fixed plate, and the inner part of the middle position of the fixed plate is provided with a servo motor, one end of the ball screw is fixedly connected with the output end of the servo motor, and the inner part of the coupling is threadedly connected with the lower end of the ball screw. The four sets of fixed guide shafts can be used to fix the lifting structure and the moving plate, so that the lifting structure can move synchronously with the movement of the moving plate. An external power source can be used to provide power for the servo motor. After the servo motor is started, it can drive the ball screw to rotate, and the ball screw can drive the coupling to move up and down during rotation.

[0014] Preferably, the lower end of the coupling is fixedly connected with a connecting plate, the lower end of the four sets of fixed guide shafts is respectively inserted into the inner part of the four corners of the connecting plate, the upper surface of the connecting plate is fixedly connected with four linear bearings, and the four sets of linear bearings are respectively engaged with the outer surfaces of the lower ends of the four sets of fixed guide shafts. When the coupling moves, it can drive the connecting plate and the four sets of linear bearings to move synchronously. The four sets of linear bearings provide a stable linear motion path for the connecting plate and bear the axial load. The four sets of linear bearings can reduce the friction and wear between the connecting plate and the four sets of fixed guide shafts, thereby prolonging the service life of the equipment to a certain extent and improving the accuracy during movement.

[0015] Preferably, the upper end of the four sets of positioning columns is respectively fixedly connected with the four corners of the lower surface of the connecting plate, the upper surface of the connecting plate is provided with an electromagnetic valve assembly, and the middle position of the lower surface of the connecting plate is provided with a central suction cup. The central suction cup is in communication with the output end of the electromagnetic valve assembly. An external power source can be used to provide power for the electromagnetic valve assembly. After the electromagnetic valve assembly is started, it can generate a vacuum suction force on the central suction cup. When the connecting plate descends, it can drive the four sets of positioning columns to move synchronously, so that the four sets of positioning columns can be inserted into the inner part of the four sets of positioning sleeves, thereby further improving the stability and accuracy of the connecting plate during movement.

[0016] Preferably, the abutting nut is threadedly connected with the outer surface of the connecting screw rod, the upper surface of the side end suction cup is fixedly connected with the lower end of the connecting screw rod, the limiting column is fixedly connected with the two ends of the upper surface of the side end suction cup, and the two sets of limiting columns are respectively inserted into the inner part of the two sides of the connecting plate. The two sets of side end suction cups are in communication with the output end of the electromagnetic valve assembly. The two sets of connecting screw rods can move in the inner part of the two sides of the connecting plate, and can drive the two sets of side end suction cups to move synchronously during movement. The two sets of limiting columns can improve the stability of the side suction cup assembly during overall movement, and prevent the side suction cup assembly from rotating or shaking during movement.

[0017] The utility model discloses a technical effect and advantage: the utility model discloses through the external power supply and give servo motor power source, servo motor can drive the coupling, connecting plate and four group linear bearing synchronous movement after starting, through the setting of four group linear bearing can reduce the friction between linear bearing and fixed guide shaft, can improve the stability when connecting plate moves, four group positioning column will be inserted in four group positioning sleeve's inside when the lowest of positioning column descending, can improve the accuracy when connecting plate positioning, this design can reduce the amplitude produced in the movement of core plate, has improved the repeat positioning accuracy;

[0018] The utility model discloses through pulling two groups of connecting screw rod can drive two groups of side end sucking disc synchronous movement, and through the setting of two groups of limiting post can improve the stability when side sucking disc subassembly whole movement, when two groups of side end sucking disc are adjusted to the suitable position according to the size of core plate, respectively rotate two groups of abutting screw cap, make its abut on the both sides of connecting plate upper surface respectively, can fix the position of two groups of side end sucking disc, this design makes two groups of side end sucking disc can adjust according to the core plate of different size to avoid the condition of the deformation of core plate as far as possible, makes the process of grabbing core plate more balanced and stable. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0020] Figure 2 It is the three-dimensional structure schematic diagram of the utility model fusion machine subassembly.

[0021] Figure 3 It is the three-dimensional structure explosion schematic diagram of the utility model parallel motion structure.

[0022] Figure 4 It is the three-dimensional structure schematic diagram of the utility model lifting motion structure.

[0023] Figure 5 It is the three-dimensional structure schematic diagram of the utility model lifting motion structure.

[0024] Figure 6 It is the three-dimensional structure explosion schematic diagram of the utility model side sucking disc subassembly.

[0025] The attached figures are labeled as follows: 1. Fusion machine assembly; 11. Fusion machine worktable; 12. Fusion machine working slot; 13. Positioning sleeve; 14. Heat dissipation vent; 2. Parallel motion structure; 21. Support column; 22. Fixing frame; 23. Fixing seat; 24. Engaging strip; 25. Engaging seat; 26. Moving plate; 27. Threaded seat; 28. Heavy-duty lead screw; 29. ​​Heavy-duty linear motor; 3. Lifting motion structure; 31. Fixed guide shaft; 32. Fixing plate; 33. Servo motor; 34. Ball screw; 35. Coupling; 36. Connecting plate; 37. Linear bearing; 38. Positioning column; 39. Solenoid valve assembly; 310. Central suction cup; 4. Side suction cup assembly; 41. Connecting lead screw; 42. Clamping nut; 43. Side end suction cup; 44. Limiting column. Detailed Implementation

[0026] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The large-size core board PIN device involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] Example 1

[0028] like Figures 1 to 5 As shown, this utility model provides a large-size core board pin fitting device, including: a fusion machine assembly 1, which includes a fusion machine workbench 11, a fusion machine working slot 12, and positioning sleeves 13, and four sets of positioning sleeves 13 are provided. The fusion machine working slot 12 is opened inside the upper surface of the fusion machine workbench 11. The four sets of positioning sleeves 13 are respectively fixedly connected to the four corners of the upper surface of the fusion machine workbench 11. The outer surface of the fusion machine workbench 11 is provided with heat dissipation vents 14, and multiple sets of heat dissipation vents 14 are provided. By setting multiple sets of heat dissipation vents 14, the heat dissipation capacity of the fusion machine workbench 11 during operation can be improved, and the overheating of the fusion machine workbench 11 can be avoided as much as possible, thereby improving the stability of the equipment during use and reducing the possibility of equipment failure.

[0029] Parallel motion structure 2, parallel motion structure 2 including support column 21, fixed seat 23, clamping strip 24, clamping seat 25, moving plate 26, threaded seat 27 and heavy load lead screw 28, and support column 21 is provided with four groups, and fixed seat 23, clamping strip 24 and clamping seat 25 are provided with two groups, the upper end of four groups of support column 21 is fixedly connected with fixed frame 22, and fixed frame 22 is provided with two groups, and both ends of two groups of fixed frame 22 are fixedly connected with fixed seat 23, two groups of clamping strips 24 are fixedly connected to the surface on the opposite side of two groups of fixed frame 22, two groups of clamping seats 25 are clamped on the outer surface of two groups of clamping strips 24, the upper surface of moving plate 26 is fixedly connected with the lower surface of two groups of clamping seats 25, threaded seat 27 is fixedly connected with the middle position of the upper surface of moving plate 26, heavy load lead screw 28 is threadedly connected with the inside of threaded seat 27, the upper surface of a group of fixed seat 23 is installed with heavy load type linear motor 29, and the output end of heavy load type linear motor 29 is fixedly connected with one end of heavy load lead screw 28, and the other end of heavy load lead screw 28 is connected with the bearing in the other group of fixed seat 23, four groups of support column 21 are fixedly connected with the ground, so that the whole parallel motion structure 2 can be supported by four groups of support column 21, the power source can be used to provide power source for heavy load type linear motor 29, heavy load type linear motor 29 can drive heavy load lead screw 28 to rotate after starting, so as to drive threaded seat 27, moving plate 26 and two groups of clamping seats 25 to move, the stability of moving plate 26 during moving can be improved by clamping between two groups of clamping seats 25 and two groups of clamping strips 24, so as to improve the accuracy of moving plate 26 moving, and the load capacity of moving plate 26 can be improved.

[0030] The lifting movement structure 3 includes fixed guide shafts 31, ball screws 34, couplings 35, connecting plates 36, positioning columns 38 and electromagnetic valve assemblies 39. The fixed guide shafts 31 and the positioning columns 38 are provided in four groups. The upper ends of the four fixed guide shafts 31 are fixedly connected to the lower surface of the moving plate 26. The positions and sizes of the four positioning columns 38 are adapted to the positions and sizes of the four positioning sleeves 13. The outer surfaces of the upper ends of the four fixed guide shafts 31 are fixedly connected with fixed plates 32. Servo motors 33 are installed in the middle positions of the fixed plates 32. One end of each ball screw 34 is fixedly connected with the output end of a servo motor 33. The interiors of the couplings 35 are threadedly connected with the lower ends of the ball screws 34. The lower ends of the couplings 35 are fixedly connected with the connecting plates 36. The lower ends of the four fixed guide shafts 31 are respectively inserted into the interiors of the four corners of the connecting plate 36. Linear bearings 37 are fixedly connected to the upper surface of the connecting plate 36 at the four corners. The four linear bearings 37 are respectively engaged with the outer surfaces of the lower ends of the four fixed guide shafts 31. The upper ends of the four positioning columns 38 are fixedly connected with the four corners of the lower surface of the connecting plate 36. The electromagnetic valve assemblies 39 are installed on the upper surface of the connecting plate 36. The central suction disc 310 is installed on the middle position of the lower surface of the connecting plate 36. The central suction disc 310 is connected with the output end of the electromagnetic valve assembly 39. The lifting movement structure 3 and the moving plate 26 are fixedly connected through the four fixed guide shafts 31. The lifting movement structure 3 can move synchronously with the movement of the moving plate 26. The servo motors 33 can be powered by an external power source. The ball screws 34 can be driven to rotate by the servo motors 33. The couplings 35 can be driven to move up and down by the ball screws 34. The connecting plate 36 and the four linear bearings 37 can be driven to move synchronously by the couplings 35. The four linear bearings 37 provide a stable linear movement path for the connecting plate 36 and bear the axial load. The friction and wear between the connecting plate 36 and the four fixed guide shafts 31 are reduced. The service life of the equipment is prolonged. The servo motors 33, the ball screws 34 and the couplings 35 are centrally installed. The balance of the lifting movement structure 3 is greatly improved. The amplitude generated during movement is reduced. The repeat positioning accuracy is improved. The precision during movement is improved. The electromagnetic valve assemblies 39 can be powered by an external power source. The central suction disc 310 can generate a vacuum suction force after the electromagnetic valve assemblies 39 are started. The connecting plate 36 can drive the four positioning columns 38 to move synchronously when it is lowered. The four positioning columns 38 can be inserted into the interiors of the four positioning sleeves 13. The stability and accuracy of the connecting plate 36 during movement are further improved.

[0031] Example Two

[0032] As Figures 4 to 6As shown, the present embodiment also proposes: side suction disc assembly 4, side suction disc assembly 4 is equipped with two groups, and side suction disc assembly 4 includes connecting screw rod 41, abutting nut 42, side end suction disc 43 and limiting column 44, and limiting column 44 is equipped with two groups, two groups of connecting screw rod 41 are respectively inserted in the inside of the two sides of connecting plate 36, the lower surfaces of two groups of abutting nut 42 are respectively attached to the upper surfaces of the two sides of connecting plate 36, abutting nut 42 is threadedly connected to the outer surface of connecting screw rod 41, the upper surface of side end suction disc 43 is fixedly connected with the lower end of connecting screw rod 41, limiting column 44 is fixedly connected to the two ends of the upper surface of side end suction disc 43, and two groups of limiting column 44 are respectively inserted in the inside of the two sides of connecting plate 36, and two groups of side end suction disc 43 are all communicated with the output end of electromagnetic valve assembly 39, pulling two groups of connecting screw rod 41 can make them move in the inside of the two sides of connecting plate 36 respectively, and two groups of connecting screw rod 41 can drive two groups of side end suction disc 43 to move synchronously when moving, and the stability of side suction disc assembly 4 as a whole can be improved by the arrangement of two groups of limiting column 44, avoiding the rotation or shaking of side suction disc assembly 4 when moving, and the design makes two groups of side end suction disc 43 can be adjusted according to core plates of different sizes, making the adsorption between the core plate more reliable.

[0033] Working principle: when the equipment is used, first, according to the size of the core plate, pull two groups of connecting screw rod 41 to adjust the position of two groups of side end suction disc 43, after determining the position of two groups of side end suction disc 43, rotate two groups of abutting nut 42 respectively, so that they are abutted between the two sides of the upper surface of connecting plate 36, so as to fix the position of two groups of side end suction disc 43;

[0034] Then the external power supply provides power source for heavy load type linear motor 29, then heavy load type linear motor 29 drives heavy load screw rod 28 to rotate, then drives moving plate 26 to move, so as to drive lifting movement structure 3 as a whole to move, then moves lifting movement structure 3 to the upper of core plate, then the external power supply provides power source for servo motor 33, drives servo motor 33 to rotate forward, then servo motor 33 drives ball screw 34 to rotate, then ball screw 34 drives shaft coupling 35 and connecting plate 36 to move downward when rotating;

[0035] Then when the central suction disc 310 and two groups of side end suction disc 43 are attached to the core plate, the external power supply provides power source for electromagnetic valve assembly 39, starts electromagnetic valve assembly 39 to generate vacuum suction force on central suction disc 310 and two groups of side end suction disc 43, then sucks the core plate;

[0036] Then servo motor 33 rotates reversely, drives central suction disc 310 and two groups of side end suction disc 43 to suck the core plate and rise at the same time, heavy load type linear motor 29 starts, sends lifting movement structure 3 as a whole and the core plate to the upper of fusion machine workbench 11;

[0037] Then the servo motor 33 rotates forward, drives the central suction disc 310 and the two groups of side end suction discs 43 to suck the core plate to descend at the same time, until the four groups of positioning columns 38 approach the upper side of the four groups of positioning sleeves 13, then the speed of the servo motor 33 slows down, ensures that the four groups of electromagnetic valve assemblies 39 are inserted into the inside of the four groups of positioning sleeves 13, then the central suction disc 310 and the two groups of side end suction discs 43 continue to descend until the positioning pin hole of the core plate is sleeved into the inside of the fusion machine working groove 12;

[0038] Then the electromagnetic valve assembly 39 is closed, the central suction disc 310 and the two groups of side end suction discs 43 break the vacuum, at this time the core plate is left in the inside of the fusion machine working groove 12, then the servo motor 33 reverses rotation, the central suction disc 310 and the two groups of side end suction discs 43 ascend, then the above-mentioned operation is cycled to realize automatic operation, and the above is the whole working principle of the utility model.

[0039] Finally, several points should be explained: firstly, in the description of the application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0040] Secondly: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0041] Finally: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A large size core plate sleeve PIN device, characterized by, Include: Fusion machine assembly (1), the fusion machine assembly (1) includes fusion machine workbench (11), fusion machine work tank (12) and positioning sleeve (13), and the positioning sleeve (13) is provided with four groups; Parallel motion structure (2), the parallel motion structure (2) includes support column (21), fixed seat (23), clamping strip (24), clamping seat (25), moving plate (26), threaded seat (27) and heavy load screw (28), and the support column (21) is provided with four groups, and the fixed seat (23), the clamping strip (24) and the clamping seat (25) are provided with two groups; Lifting motion structure (3), the lifting motion structure (3) includes fixed guide shaft (31), ball screw (34), coupling (35), connecting plate (36), positioning column (38) and electromagnetic valve assembly (39), and the fixed guide shaft (31) and the positioning column (38) are provided with four groups, and the upper end of the four groups of fixed guide shaft (31) is fixedly connected on the lower surface of the moving plate (26), and the position and size of the four groups of positioning column (38) are matched with the position and size of the four groups of positioning sleeve (13); Side suction cup assembly (4), the side suction cup assembly (4) is provided with two groups, and the side suction cup assembly (4) includes connecting screw (41), abutting nut (42), side end suction cup (43) and limiting column (44), and the limiting column (44) is provided with two groups, the two groups of connecting screw (41) are respectively inserted into the inside of the two sides of the connecting plate (36), and the lower surfaces of the two groups of abutting nuts (42) are respectively attached to the upper surfaces of the two sides of the connecting plate (36).

2. A large size core plate sleeve PIN device according to claim 1, characterized in that: The fusion machine work tank (12) is opened in the inside of the upper surface of the fusion machine workbench (11), the four groups of positioning sleeves (13) are respectively fixedly connected to the four corners of the upper surface of the fusion machine workbench (11), the outer surface of the fusion machine workbench (11) is provided with a plurality of heat dissipation openings (14), and the heat dissipation openings (14) are provided with a plurality of groups.

3. A large core board sleeve PIN device according to claim 1, characterized in that: The upper end of the four groups of support columns (21) is respectively fixedly connected with fixed frame (22), and the fixed frame (22) is provided with two groups, and the two ends of the two groups of fixed frames (22) are fixedly connected with fixed seat (23), and the two groups of clamping strips (24) are respectively fixedly connected to the surfaces of the opposite sides of the two groups of fixed frames (22).

4. A large core board sleeve PIN device according to claim 1, characterized in that: The two groups of clamping seats (25) are respectively clamped on the outer surfaces of the two groups of clamping strips (24), the two sides of the upper surface of the moving plate (26) are fixedly connected with the lower surfaces of the two groups of clamping seats (25), the threaded seat (27) is fixedly connected to the middle position of the upper surface of the moving plate (26), the heavy load screw (28) is threadedly connected to the inside of the threaded seat (27), one group of fixed seat (23) is provided with heavy load type linear motor (29), and the output end of the heavy load type linear motor (29) is fixedly connected with one end of the heavy load screw (28), and the other end of the heavy load screw (28) is connected with the bearing in the other group of fixed seat (23).

5. A large core board sleeve PIN device according to claim 1, characterized in that: The outer surface of the upper end of the fixed guide shaft (31) is fixedly connected with a fixed plate (32), a servo motor (33) is installed in the middle of the fixed plate (32), one end of the ball screw (34) is fixedly connected with the output end of the servo motor (33), and the inside of the coupling (35) is threadedly connected with the lower end of the ball screw (34).

6. A large core board sleeve PIN device according to claim 1, characterized in that: The lower end of the coupling (35) is fixedly connected with a connecting plate (36), the lower end of the four groups of fixed guide shafts (31) is respectively inserted into the inside of the four corners of the connecting plate (36), the upper surface of the connecting plate (36) is fixedly connected with four linear bearings (37), and the outer surface of the lower end of the four groups of fixed guide shafts (31) is respectively engaged with the four linear bearings (37).

7. A large core board sleeve PIN device according to claim 1, characterized in that: The upper end of the four groups of positioning columns (38) is fixedly connected with the four corners of the lower surface of the connecting plate (36), the upper surface of the connecting plate (36) is provided with an electromagnetic valve assembly (39), and the middle position of the lower surface of the connecting plate (36) is provided with a central suction disc (310), the central suction disc (310) is communicated with the output end of the electromagnetic valve assembly (39).

8. A large core board sleeve PIN device according to claim 1, characterized in that: The nut (42) is threadedly connected with the outer surface of the connecting screw rod (41), the upper surface of the side end suction disc (43) is fixedly connected with the lower end of the connecting screw rod (41), the limiting column (44) is fixedly connected with the two ends of the upper surface of the side end suction disc (43), the two groups of limiting columns (44) are respectively inserted into the inside of the two sides of the connecting plate (36), and the two groups of side end suction discs (43) are communicated with the output end of the electromagnetic valve assembly (39).

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