Automatic PIN loading device

Abstract

The utility model relates to an automatic PIN feeding device, which belongs to the field of manufacturing automation and comprises a workbench, a circuit board feeding mechanism, a PIN disc feeding mechanism and a rotating mechanism. The circuit board feeding mechanism is arranged on the workbench, and the circuit board feeding mechanism comprises a circuit board feeding belt; the electrical components are placed on the circuit board feeding mechanism to be fed. The circuit board feeding mechanism is used for feeding and conveying electrical components, meanwhile, the PIN disc feeding mechanism is used for feeding PINs, then the PINs are clamped and placed in the rotating mechanism through the PIN disc feeding mechanism, and the circuit board feeding mechanism can clamp the PINs placed in the rotating mechanism and then insert the PINs into the electrical components on the circuit board feeding mechanism. The circuit board feeding mechanism and the PIN disc feeding mechanism are used for automatically feeding the electrical components and the PINs, and then the PINs are transferred into the electrical components through the rotating mechanism, so that the advantage of automation is achieved, and the efficiency of feeding the PINs is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing automation, in particular to an automatic PIN-loading device. Background Art

[0002] PIN is a metal material used to complete the transmission of electrical signals. PIN is widely used in military industry, aerospace, mechanical processing, metallurgy, oil drilling, mining tools, electronic communications and other fields. With the continuous development and progress of science and technology, especially electronic technology, the market demand is becoming increasingly strong, and the demand for PIN is also increasing. During the feeding process of PIN needles, multiple PIN needles are generally placed on the code disk adjacently through a vibrating feeding device.

[0003] In the prior art, the volume of PIN is relatively small. When PIN is inserted into electronic components, due to the large number of PINs, the small shape of the main body of the mother PIN and the small PIN pin, manual orderly arrangement of the PINs is labor-intensive, inefficient and prone to errors. Therefore, an automatic PIN insertion device is proposed to solve the above problems. Utility Model Content

[0004] In view of one or more of the above defects or improvement requirements in the prior art, the utility model provides an automatic PIN insertion device, which has the advantage of improving efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic PIN feeding device comprises: a workbench, a circuit board feeding mechanism, a PIN disk feeding mechanism and a rotating mechanism;

[0006] The circuit board loading mechanism is arranged on the workbench, and the circuit board loading mechanism includes a circuit board loading belt; it is used to place the electronic components on the circuit board loading mechanism for loading;

[0007] The PIN tray loading mechanism is located on one side of the workbench and is used to load the PINs arranged in a tray;

[0008] The rotating mechanism is arranged on the workbench and is located between the circuit board feeding mechanism and the rotating mechanism;

[0009] The PIN tray feeding mechanism clamps the loaded PIN and places it on the rotating mechanism on one side. After the circuit board feeding mechanism loads the electronic component, it clamps the PIN on the rotating mechanism and inserts it into the electronic component.

[0010] As a further improvement of the utility model, the circuit board feeding mechanism further includes: a longitudinal transport device, a transverse transport device, a first driving cylinder, and a first clamping device;

[0011] A longitudinal transport device is provided on the workbench and is located above the circuit board material belt;

[0012] The transverse transport device is arranged on the longitudinal transport device; the first driving cylinder is arranged on the transverse transport device; the first clamping device is arranged on the first driving cylinder;

[0013] The longitudinal transport device drives the transverse transport device to move longitudinally, the transverse transport device drives the first driving cylinder to move transversely, the first driving cylinder drives the first clamping device to move up and down, and the first clamping device clamps the PIN.

[0014] As a further improvement of the utility model, an upper clamping plate and a lower clamping plate are provided on the circuit board feeding belt;

[0015] The upper clamping plate and the lower clamping plate are both arranged at the upper and lower ends of the circuit board loading belt. The electronic components are directly moved on the upper clamping plate and the lower clamping plate through the circuit board loading belt, and the electronic components are clamped by the upper clamping plate and the lower clamping plate.

[0016] As a further improvement of the utility model, the PIN disk feeding mechanism comprises: a bearing seat, two PIN disk feeding assemblies, a clamping device, a transport assembly and a clamping plate;

[0017] The bearing seat is arranged on one side of the workbench; two PIN tray loading assemblies are arranged inside the bearing seat and are symmetrically distributed on the left and right, and are used for PIN tray loading and empty tray unloading;

[0018] A clamping device is provided between the bearing seat and the rotating mechanism, and the PIN on the PIN disk is moved into the rotating mechanism through the clamping device;

[0019] The transport assembly is arranged on the bearing seat and the output end is connected to the clamping plate; the clamping plate is slidably arranged on the upper end surface of the bearing seat, and the clamping plate is driven to slide on the upper end surface of the bearing seat by the transport assembly, and a groove is opened inside the clamping plate, which is used for the transport assembly to load the PIN into the groove of the clamping plate.

[0020] As a further improvement of the utility model, the PIN disk feeding assembly comprises: a second driving cylinder, a sliding member and a PIN disk bearing plate;

[0021] The second driving cylinder is arranged inside the bearing seat and the output end is connected to the sliding member; the sliding member has one end that slides up and down inside the bearing seat and the other end that can extend to the upper end surface of the bearing seat;

[0022] The PIN disk carrying plate is arranged at the extended end of the sliding member, and the PIN disk is placed on the upper end surface of the PIN disk carrying plate.

[0023] As a further improvement of the utility model, the clamping device comprises: a support seat, a rotating device, a third driving cylinder and a second clamping device;

[0024] A support seat is arranged on the workbench and is located on one side of the bearing seat;

[0025] A rotating device is rotatably disposed on the upper end surface of the support seat, and an output end thereof is connected to the third driving cylinder;

[0026] The third driving cylinder is arranged on the upper end surface of the rotating device, and the output end is connected to the second clamping device downward, and is used to control the second clamping device to rise and fall. The second clamping device is located above the bearing seat and is used to clamp the PIN carried on the PIN disk bearing plate.

[0027] As a further improvement of the utility model, a detection device is provided on the lower end surface of the second clamping device;

[0028] The detection device is used to detect the position of the PIN member on the PIN disk carrier plate.

[0029] As a further improvement of the utility model, four fourth driving cylinders are provided on the clamping plate;

[0030] Four fourth driving cylinders are distributed in a rectangular shape on the upper end surface of the clamping plate, and the output ends are all connected to clamping members;

[0031] The clamping piece can be adapted to the outer side of the PIN disk, and the PIN disk can be clamped by driving the clamping piece through four fourth driving cylinders.

[0032] As a further improvement of the utility model, the rotating mechanism comprises: a rotating assembly, a rotating plate, a receiving plate and a clamping cylinder;

[0033] The rotating assembly is arranged on the workbench and is located between the circuit board feeding belt and the bearing seat;

[0034] The rotating plate is arranged on the output end of the rotating assembly, and the rotating plate is driven to rotate by the rotating assembly;

[0035] Two receiving plates are both arranged on the rotating plate and are symmetrically distributed on the left and right. The receiving plates are provided with slots for inserting PINs.

[0036] The clamping cylinder is arranged on the rotating plate, and the output end thereof extends to the inside of the slot of the receiving plate, so as to clamp and fix the PIN member.

[0037] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0038] The utility model discloses that the electric components are fed and conveyed by the circuit board feeding mechanism, and the PIN disk feeding mechanism feeds the PIN at the same time, and then the PIN is clamped and placed in the rotating mechanism by the PIN disk feeding mechanism, and the circuit board feeding mechanism can clamp the PIN placed in the rotating mechanism and then insert it into the electric components on the circuit board feeding mechanism, the electric components and the PIN are automatically fed by the circuit board feeding mechanism and the PIN disk feeding mechanism, and then the PIN is transferred to the electric components by the rotating mechanism, thereby realizing the advantages of automation and improving the efficiency of PIN loading. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of the structure of the utility model;

[0040] Figure 2 This is a schematic diagram of the circuit board feeding mechanism structure of the utility model;

[0041] Figure 3 This is a schematic diagram of the structure of the PIN disk feeding mechanism of the utility model;

[0042] Figure 4 This is a schematic diagram of the structural clamping plate of the utility model;

[0043] Figure 5 This is a schematic diagram of the rotating mechanism structure of the utility model.

[0044] In all the drawings, the same reference numerals represent the same technical features, specifically: 1. workbench; 2. circuit board feeding mechanism; 21. circuit board feeding belt; 211. upper clamping plate; 212. lower clamping plate; 22. longitudinal transport device; 23. transverse transport device; 24. first drive cylinder; 25. first clamping device; 3. PIN disk feeding mechanism; 31. bearing seat; 32. PIN disk feeding assembly; 321. second drive cylinder; 322. sliding member; 323. PIN disk bearing plate; 33. clamping device; 331. support seat; 332. rotating device; 333. third drive cylinder; 334. second clamping device; 335. detection device; 34. transport assembly; 35. clamping plate; 351. fourth drive cylinder; 352. clamping member; 4. rotating mechanism; 41. rotating assembly; 42. rotating plate; 43. receiving plate; 44. clamping cylinder. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0046] In the embodiment, Figure 1 Provided is an automatic PIN loading device, which may optionally include but is not limited to: a workbench 1, a circuit board loading mechanism 2, a PIN disk loading mechanism 3 and a rotating mechanism 4;

[0047] The circuit board loading mechanism 2 is arranged on the workbench 1, and the circuit board loading mechanism 2 includes a circuit board loading belt 21, which is used to place the electronic components on the circuit board loading mechanism 2 for loading;

[0048] The PIN tray loading mechanism 3 is arranged at one side of the workbench 1 and is used for loading the PINs arranged in a whole tray;

[0049] The rotating mechanism 4 is disposed on the workbench 1 and is located between the circuit board feeding mechanism 2 and the rotating mechanism 4;

[0050] The PIN tray loading mechanism 3 clamps the loaded PIN and places it on the rotating mechanism 4 on one side. After loading the electronic component, the circuit board loading mechanism 2 clamps the PIN on the rotating mechanism 4 and inserts it into the electronic component.

[0051] In this embodiment, an automatic PIN loading device of the utility model is provided, the electronic components are loaded and conveyed by the circuit board loading mechanism 2, and the PIN disk loading mechanism 3 loads the PIN at the same time, and then the PIN is clamped and placed in the rotating mechanism 4 by the PIN disk loading mechanism 3, and the circuit board loading mechanism 2 can clamp the PIN placed in the rotating mechanism 4 and then insert it into the electronic components on the circuit board loading mechanism 2, the electronic components and the PIN are automatically loaded by the circuit board loading mechanism 2 and the PIN disk loading mechanism 3, and then the PIN is transferred to the electronic components by the rotating mechanism 4, thereby realizing the advantages of automation and improving the efficiency of PIN loading.

[0052] 1. Circuit board feeding mechanism 2

[0053] Preferably, Figure 1-2 As shown, the circuit board feeding mechanism 2 may also optionally include but is not limited to: a longitudinal transport device 22, a transverse transport device 23, a first driving cylinder 24, and a first clamping device 25;

[0054] A longitudinal transport device 22 is provided on the workbench 1 and is located above the circuit board loading belt 21;

[0055] The transverse transport device 23 is disposed on the longitudinal transport device 22; the first driving cylinder 24 is disposed on the transverse transport device 23; the first clamping device 25 is disposed on the first driving cylinder 24;

[0056] The longitudinal transport device 22 drives the transverse transport device 23 to move longitudinally, the transverse transport device 23 drives the first driving cylinder 24 to move transversely, the first driving cylinder 24 drives the first clamping device 25 to move up and down, and the first clamping device 25 clamps the PIN.

[0057] More preferably, Figure 2 As shown, the circuit board loading belt 21 may optionally but not limited to be provided with an upper clamping plate 211 and a lower clamping plate 212;

[0058] The upper clamping plate 211 and the lower clamping plate 212 are both arranged at the upper and lower ends of the circuit board loading belt 21 . The electronic components are directly moved on the upper clamping plate 211 and the lower clamping plate 212 through the circuit board loading belt 21 , and the electronic components are clamped by the upper clamping plate 211 and the lower clamping plate 212 .

[0059] In this embodiment, a plurality of specific embodiments of the circuit board feeding mechanism 2 are provided, in which the electronic components are fed and conveyed by the circuit board feeding belt 21, and the upper clamping plate 211 and the lower clamping plate 212 clamp the electronic components to prevent them from shifting during movement, and then the first clamping device 25 is driven by the first driving cylinder 24 to clamp the PIN on the rotating mechanism 4. After clamping, the first driving cylinder 24 can be driven to drive the first clamping device 25 to rise, and then the transverse transport device 23 and the longitudinal transport device 22 are driven to move the PIN clamped by the first clamping device 25 above the electronic component, and after moving to the position to be inserted, the first clamping device 25 is driven by the first driving cylinder 24 to insert the PIN into the electronic component.

[0060] 2. PIN disk feeding mechanism 3

[0061] Preferably, Figure 3 As shown, the PIN disk feeding mechanism 3 may optionally include but is not limited to: a bearing seat 31, two PIN disk feeding assemblies 32, a clamping device 33, a transport assembly 34 and a clamping plate 35;

[0062] The bearing seat 31 is arranged at one side of the workbench 1; two PIN tray loading assemblies 32 are arranged inside the bearing seat 31 and are symmetrically distributed on the left and right, and are used for PIN tray loading and empty tray unloading;

[0063] The clamping device 33 is disposed between the bearing seat 31 and the rotating mechanism 4, and the PIN on the PIN disk is moved into the rotating mechanism 4 by the clamping device 33;

[0064] The transport assembly 34 is disposed on the bearing seat 31 and the output end is connected to the clamping plate 35; the clamping plate 35 is slidably disposed on the upper end surface of the bearing seat 31, and the clamping plate 35 is driven to slide on the upper end surface of the bearing seat 31 by the transport assembly 34, and a groove is opened inside the clamping plate 35, which is used for the transport assembly 34 to load the PIN into the groove of the clamping plate 35.

[0065] More preferably, Figure 4 As shown, the PIN disk loading assembly 32 may optionally include but is not limited to: a second driving cylinder 321, a sliding member 322 and a PIN disk carrying plate 323;

[0066] The second driving cylinder 321 is disposed inside the bearing seat 31 and the output end is connected to the sliding member 322; the sliding member 322 has one end that slides up and down inside the bearing seat 31 and the other end that can extend to the upper end surface of the bearing seat 31;

[0067] The PIN disk carrier plate 323 is disposed at the extended end of the sliding member 322 , and the PIN disk is placed on the upper end surface of the PIN disk carrier plate 323 .

[0068] More preferably, Figure 4 As shown, the clamping device 33 may optionally include but is not limited to: a support seat 331, a rotating device 332, a third driving cylinder 333 and a second clamping device 334;

[0069] The support seat 331 is disposed on the workbench 1 and is located on one side of the bearing seat 31;

[0070] The rotating device 332 is rotatably disposed on the upper end surface of the supporting seat 331, and the output end is connected to the third driving cylinder 333;

[0071] The third driving cylinder 333 is arranged on the upper end surface of the rotating device 332, and the output end is connected to the second clamping device 334 downward, and is used to control the second clamping device 334 to rise and fall. The second clamping device 334 is located above the supporting seat 31 and is used to clamp the PIN carried on the PIN disk supporting plate 323.

[0072] More preferably, Figure 3 As shown, the lower end surface of the second clamping device 334 may optionally but not limited to be provided with a detection device 335;

[0073] The detection device 335 is used to detect the position of the PIN member on the PIN disk carrier plate 323 .

[0074] More preferably, Figure 3 As shown, the clamping plate 35 may optionally but not limited to be provided with four fourth driving cylinders 351;

[0075] Four fourth driving cylinders 351 are distributed in a rectangular shape on the upper end surface of the clamping plate 35, and the output ends are all connected to the clamping members 352;

[0076] The clamping member 352 can be adapted to the outer side of the PIN disk, and the clamping member 352 can be driven by four fourth driving cylinders 351 to clamp the PIN disk.

[0077] In this embodiment, multiple specific embodiments of the PIN disk feeding mechanism 3 are provided. A PIN disk with a PIN is placed on one of the PIN disk carrier plates 323. The PIN disk on the PIN disk carrier plate 323 is driven to rise to the upper surface of the carrier seat 31 by the second driving cylinder 321 and the sliding member 322 connected thereto. Then, the four fourth driving cylinders 351 are driven to drive the four clamping members 352 to clamp and fix the PIN disk. After the PIN disk is fixed, the rotating device 332 is driven to drive the second clamping device 334 to rotate, and the detection device 335 is used to detect the PIN disk. The position of the PIN piece on the PIN disk is detected so that the second clamping device 334 is located above the PIN piece, and then the third driving cylinder 333 is driven to drive the second clamping device 334 to move up and down, so that the second clamping device 334 clamps the PIN piece. When the PIN piece on the PIN disk clamped by the clamping member 352 is clamped, the transport assembly 34 drives the clamping plate 35 to move to another PIN disk carrier plate 323, and by canceling the clamping of the PIN disk by the clamping member 352, the empty disk is placed on the PIN disk carrier plate 323, thereby completing the unloading of the empty disk.

[0078] 3. Rotating mechanism 4

[0079] Preferably, Figure 5 As shown, the rotating mechanism 4 may optionally include but is not limited to: a rotating assembly 41, a rotating plate 42, a receiving plate 43 and a clamping cylinder 44;

[0080] The rotating assembly 41 is disposed on the workbench 1 and is located between the circuit board loading belt 21 and the supporting seat 31;

[0081] The rotating plate 42 is disposed on the output end of the rotating assembly 41, and the rotating plate 42 is driven to rotate by the rotating assembly 41;

[0082] Two receiving plates 43 are both arranged on the rotating plate 42 and are symmetrically distributed on the left and right. The receiving plates 43 are provided with slots for inserting PINs.

[0083] The clamping cylinder 44 is disposed on the rotating plate 42 , and the output end thereof extends to the inside of the slot of the receiving plate 43 , so as to clamp and fix the PIN member.

[0084] In this embodiment, a specific embodiment of the rotating mechanism 4 is given, the second clamping device 334 places the clamped PIN part in the slot of the receiving plate 43, and then drives the clamping cylinder 44 to clamp the PIN part, and the rotating assembly 41 drives the rotating plate 42 to rotate, so that the receiving plate 43 equipped with the PIN part rotates to the side of the circuit board loading belt 21, and then the PIN part in the slot is clamped by the first clamping device 25.

[0085] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0086] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic PIN device, characterized in that: include: A workbench (1), a circuit board feeding mechanism (2), a PIN disk feeding mechanism (3) and a rotating mechanism (4); A circuit board loading mechanism (2) is arranged on a workbench (1), and comprises a circuit board loading belt (21) for placing electronic components on the circuit board loading mechanism (2) for loading; A PIN tray loading mechanism (3) is arranged on one side of the workbench (1) and is used to load the PINs arranged in a tray; A rotating mechanism (4) is disposed on the workbench (1) and is located between the circuit board feeding mechanism (2) and the rotating mechanism (4); The PIN disk loading mechanism (3) clamps the loaded PIN and places it on a rotating mechanism (4) on one side, and the circuit board loading mechanism (2) clamps the PIN on the rotating mechanism (4) and inserts it into the electronic component after loading the electronic component.

2. The automatic PIN device according to claim 1, characterized in that: The circuit board feeding mechanism (2) further comprises: a longitudinal transport device (22), a transverse transport device (23), a first driving cylinder (24), and a first clamping device (25); A longitudinal transport device (22) is disposed on the workbench (1) and is located above the circuit board loading belt (21); A transverse transport device (23) is arranged on the longitudinal transport device (22); a first driving cylinder (24) is arranged on the transverse transport device (23); and a first clamping device (25) is arranged on the first driving cylinder (24); The longitudinal transport device (22) drives the transverse transport device (23) to move longitudinally, the transverse transport device (23) drives the first driving cylinder (24) to move transversely, the first driving cylinder (24) drives the first clamping device (25) to move up and down, and the first clamping device (25) clamps the PIN.

3. The automatic PIN device according to claim 2, characterized in that: An upper clamping plate (211) and a lower clamping plate (212) are provided on the circuit board loading belt (21); The upper clamping plate (211) and the lower clamping plate (212) are both arranged at the upper and lower ends of the circuit board loading belt (21); the electronic components are directly moved on the upper clamping plate (211) and the lower clamping plate (212) through the circuit board loading belt (21); and the electronic components are clamped by the upper clamping plate (211) and the lower clamping plate (212).

4. The automatic PIN device according to claim 1, characterized in that: The PIN disk feeding mechanism (3) comprises: a bearing seat (31), two PIN disk feeding assemblies (32), a clamping device (33), a transport assembly (34) and a clamping plate (35); A bearing seat (31) is arranged on one side of the workbench (1); two PIN tray loading assemblies (32) are both arranged inside the bearing seat (31) and are symmetrically distributed on the left and right sides, and are used for PIN tray loading and empty tray unloading; A clamping device (33) is disposed between the bearing seat (31) and the rotating mechanism (4), and the PIN on the PIN disk is moved into the rotating mechanism (4) through the clamping device (33); The transport assembly (34) is arranged on the bearing seat (31) and the output end is connected to the clamping plate (35); the clamping plate (35) is slidably arranged on the upper end surface of the bearing seat (31), and the transport assembly (34) drives the clamping plate (35) to slide on the upper end surface of the bearing seat (31), and a groove is provided inside the clamping plate (35) for the transport assembly (34) to load the PIN into the groove of the clamping plate (35).

5. The automatic PIN device according to claim 4, characterized in that: The PIN disk loading assembly (32) comprises: a second driving cylinder (321), a sliding member (322) and a PIN disk carrying plate (323); A second driving cylinder (321) is disposed inside the bearing seat (31) and the output end is connected to a sliding member (322); one end of the sliding member (322) slides up and down inside the bearing seat (31) and the other end can extend to the upper end surface of the bearing seat (31); The PIN disk carrier plate (323) is arranged at the extended end of the sliding member (322), and the PIN disk is placed on the upper end surface of the PIN disk carrier plate (323).

6. The automatic PIN device according to claim 4, characterized in that: The clamping device (33) comprises: a support seat (331), a rotating device (332), a third driving cylinder (333) and a second clamping device (334); A support seat (331) is disposed on the workbench (1) and is located on one side of the bearing seat (31); A rotating device (332) is rotatably disposed on the upper end surface of the support seat (331), and an output end thereof is connected to the third driving cylinder (333); The third driving cylinder (333) is arranged on the upper end surface of the rotating device (332), and the output end is connected to the second clamping device (334) downward, and is used to control the second clamping device (334) to rise and fall. The second clamping device (334) is located above the bearing seat (31) and is used to clamp the PIN carried on the PIN disk bearing plate (323).

7. The automatic PIN insertion device according to claim 6, characterized in that: A detection device (335) is provided on the lower end surface of the second clamping device (334); The detection device (335) is used to detect the position of the PIN member on the PIN disk carrier plate (323).

8. The automatic PIN insertion device according to claim 4, characterized in that: Four fourth driving cylinders (351) are provided on the clamping plate (35); Four fourth driving cylinders (351) are distributed in a rectangular shape on the upper end surface of the clamping plate (35), and the output ends are all connected to a clamping member (352); The clamping member (352) can be adapted to the outer side of the PIN disk, and the clamping member (352) can be driven by four fourth driving cylinders (351) to clamp the PIN disk.

9. The automatic PIN device according to claim 1, characterized in that: The rotating mechanism (4) comprises: a rotating assembly (41), a rotating plate (42), a receiving plate (43) and a clamping cylinder (44); The rotating assembly (41) is disposed on the workbench (1) and is located between the circuit board loading belt (21) and the bearing seat (31); A rotating plate (42) is arranged on the output end of the rotating assembly (41), and the rotating plate (42) is driven to rotate by the rotating assembly (41); Two receiving plates (43) are both arranged on the rotating plate (42) and are symmetrically distributed on both sides. The receiving plates (43) are provided with slots for inserting PINs. The clamping cylinder (44) is arranged on the rotating plate (42), and the output end thereof extends to the inside of the slot of the receiving plate (43), and is used for clamping and fixing the PIN member.

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