Automatic screw locking machine for wiring terminal

Abstract

The utility model provides an automatic screw locking machine for a wiring terminal. The automatic screw locking machine for the wiring terminal comprises a supporting frame and a workbench, a moving device is arranged on the supporting frame, and a feeding device and a portable replacing device are arranged on the workbench; the moving device comprises a servo motor, a lead screw, a limiting rod and a screw machine body, the servo motor is fixedly installed on the supporting frame, the lead screw is fixedly installed at the output end of the servo motor, the two ends of the lead screw are rotationally connected with the supporting frame, and the limiting rod is fixedly installed on the supporting frame; the screw machine body is arranged on the lead screw and the limiting rod in a sleeving mode. The feeding device comprises a driving motor, a driving roller, a driven roller and a conveying belt, and the driving motor is fixedly installed on the workbench. The automatic screw locking machine for the wiring terminals has the advantages that the wiring terminals of different models can be machined, the cost is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of wiring terminal processing, in particular to an automatic screw locking machine for wiring terminals. Background Art

[0002] Terminal blocks are an accessory product used to achieve electrical connections, and are classified as connectors in the industry. With the increasing degree of industrial automation and the increasingly stringent and precise requirements for industrial control, the use of terminal blocks has gradually increased. With the development of the electronics industry, the scope of use of terminal blocks has expanded, and the types have also increased.

[0003] The automatic screw locking machine uses various electric and pneumatic components to realize the automatic conveying, tightening, and detection of screws. The equipment simplifies the screw tightening process, reduces the number of manual labor and reduces the adverse factors caused by manual misoperation.

[0004] After searching, the existing patent (publication number: CN213258069U) discloses a screw locking machine for terminal blocks, including a machine body, an adjustment mechanism is installed on the workbench on the surface of the machine body, the adjustment mechanism is composed of a bottom plate, a first linear slide and a second linear slide, a clamping mechanism is installed on the top surface of the adjustment mechanism, the clamping mechanism is composed of a loading plate, a clamping plate, a buffer spring, an electric push rod, a limit sleeve, a fixed block, a slide groove and a slider, a first linear slide is installed in the middle of the top surface of the bottom plate, and a second linear slide is installed at the output end of the top surface of the first linear slide. Through the adjustment mechanism, the position of the terminal on the clamping mechanism can be flexibly adjusted, so that the machine body can conveniently perform screw locking on the terminal, and at the same time, the terminal can be limited and fixed through the clamping mechanism, which can reduce the labor intensity of the staff, improve work efficiency, and reduce safety hazards.

[0005] However, there are still some shortcomings in the above structure. The screw locking machine for the wiring terminals uses a straight clamping plate to clamp the wiring terminals, which easily causes the wiring terminals to be unstable or tilted, which is not conducive to the subsequent screw locking work.

[0006] Therefore, it is necessary to provide a new automatic screw locking machine for terminal blocks to solve the above-mentioned technical problems. Utility Model Content

[0007] The technical problem solved by the utility model is to provide an automatic screw locking machine for wiring terminals which can process wiring terminals of different models, reduce costs and increase work efficiency.

[0008] In order to solve the above technical problems, the utility model provides an automatic screw locking machine for terminal blocks, comprising: a support frame and a workbench, wherein a moving device is arranged on the support frame, and a loading device and a portable replacement device are arranged on the workbench;

[0009] The moving device comprises a servo motor, a lead screw, a limit rod and a screw machine body, wherein the servo motor is fixedly mounted on a support frame, the lead screw is fixedly mounted on an output end of the servo motor, both ends of the lead screw are rotatably connected to the support frame, the limit rod is fixedly mounted on the support frame, and the screw machine body is sleeved on the lead screw and the limit rod;

[0010] The feeding device comprises a driving motor, a driving roller, a driven roller and a conveyor belt, wherein the driving motor is fixedly mounted on a workbench, the driving roller and the driven roller are both rotatably mounted on the workbench, the output end of the driving motor is fixedly connected to the driving roller, and the conveyor belt is wound around the driving roller and the driven roller;

[0011] The portable replacement device includes a card plate, a carrying plate, a limit platform, a first terminal and a second terminal. The card plate is fixedly connected to the conveyor belt, the carrying plate is slidably installed on the card plate, the limit platform is fixedly connected to the carrying plate, and the first terminal and the second terminal are both placed on the top surface of the carrying plate.

[0012] As a further solution of the utility model, a positioning plate is fixedly connected to one side surface of the clamping plate, and an infrared sensor is fixedly installed on the top surface of the workbench.

[0013] As a further solution of the utility model, there are a plurality of the clamping plates and the carrying plates, and every two carrying plates are hingedly connected.

[0014] As a further solution of the utility model, a slide groove is provided on the inner surface of the clamping plate, and the size of the slide groove matches the size of the bearing plate.

[0015] As a further solution of the utility model, the shape of one corner of the second wiring terminal matches the shape of one corner of the limiting platform.

[0016] As a further solution of the utility model, the position of the carrying plate is higher than the top surface of the workbench, and the positioning plate and the infrared sensor are located on the same horizontal line.

[0017] Compared with the related art, the automatic screw locking machine for terminal blocks provided by the utility model has the following beneficial effects:

[0018] 1. The utility model can conveniently disassemble and replace the load-bearing plate by providing a portable replacement device, so as to perform screw locking work on different types of wiring terminals, thereby reducing costs and improving applicability;

[0019] 2. The utility model can improve the working efficiency of automatic screw locking by providing a feeding device, cooperating with the moving device and the screw machine body 6. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the overall structure of the automatic screw locking machine for terminal blocks provided by the utility model;

[0022] Figure 2 A schematic diagram of the structure of the mobile device of the automatic screw locking machine for terminal blocks provided by the utility model;

[0023] Figure 3 A schematic diagram of the structure of a feeding device of an automatic screw locking machine for terminal blocks provided by the utility model;

[0024] Figure 4 The utility model is a schematic diagram of the structure of a portable replacement device for the automatic screw locking machine for terminal blocks.

[0025] In the figure: 1. support frame; 2. workbench; 3. servo motor; 4. lead screw; 5. limit rod; 6. screw machine body; 7. drive motor; 8. drive roller; 9. driven roller; 10. conveyor belt; 11. clamping plate; 12. bearing plate; 13. limit table; 14. first wiring terminal; 15. second wiring terminal; 16. positioning plate; 17. infrared sensor. DETAILED DESCRIPTION

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 This is a schematic diagram of the overall structure of the automatic screw locking machine for terminal blocks of the utility model; Figure 2 This is a schematic diagram of the structure of the mobile device of the automatic screw locking machine for terminal blocks of the utility model; Figure 3 This is a schematic diagram of the structure of the feeding device of the automatic screw locking machine for terminal blocks of the utility model; Figure 4 This is a schematic diagram of the structure of a portable replacement device for the automatic screw locking machine for terminal blocks provided by the utility model. The automatic screw locking machine for terminal blocks comprises: a support frame 1 and a workbench 2, wherein the support frame 1 is provided with a moving device, and the workbench 2 is provided with a feeding device and a portable replacement device;

[0027] The moving device includes a servo motor 3, a lead screw 4, a limit rod 5 and a screw machine body 6. The servo motor 3 is fixedly mounted on the support frame 1, the lead screw 4 is fixedly mounted on the output end of the servo motor 3, both ends of the lead screw 4 are rotatably connected to the support frame 1, the limit rod 5 is fixedly mounted on the support frame 1, and the screw machine body 6 is sleeved on the lead screw 4 and the limit rod 5;

[0028] The feeding device comprises a driving motor 7, a driving roller 8, a driven roller 9 and a conveyor belt 10, wherein the driving motor 7 is fixedly mounted on the workbench 2, the driving roller 8 and the driven roller 9 are both rotatably mounted on the workbench 2, the output end of the driving motor 7 is fixedly connected to the driving roller 8, and the conveyor belt 10 is wound around the driving roller 8 and the driven roller 9;

[0029] The portable replacement device includes a card plate 11, a carrying plate 12, a limit platform 13, a first terminal 14 and a second terminal 15. The card plate 11 is fixedly connected to the conveyor belt 10, the carrying plate 12 is slidably installed on the card plate 11, the limit platform 13 is fixedly connected to the carrying plate 12, and the first terminal 14 and the second terminal 15 are both placed on the top surface of the carrying plate 12.

[0030] like Figure 4 As shown, a positioning plate 16 is fixedly connected to one side surface of the card plate 11, and an infrared sensor 17 is fixedly installed on the top surface of the workbench 2;

[0031] By providing the positioning plate 16 and the infrared sensor 17, the portable replacement device can be positioned to improve the accuracy of screw locking.

[0032] like Figure 3 As shown, the number of the card plates 11 and the carrying plates 12 is several, and every two carrying plates 12 are hingedly connected;

[0033] The hinge connection between every two supporting plates 12 allows the conveyor belt 10 to rotate smoothly.

[0034] like Figure 4 As shown, a slide groove is provided on the inner surface of the clamping plate 11 , and the size of the slide groove matches the size of the carrying plate 12 .

[0035] By setting the slide groove, the carrying plate 12 can be limited and fixed when the carrying plate 12 rotates to below the conveyor belt 10 .

[0036] like Figure 4 As shown, the shape of one corner of the second terminal 15 matches the shape of one corner of the limiting platform 13;

[0037] By configuring the shape of one corner of the second connecting terminal 15 to match the shape of one corner of the limiting platform 13 , the second connecting terminal 15 can be placed on the supporting plate 12 to increase the stability when tightening the screws.

[0038] like Figure 3 As shown, the position of the carrying plate 12 is higher than the top surface of the workbench 2, and the positioning plate 16 and the infrared sensor 17 are located on the same horizontal line;

[0039] By arranging the position of the carrying plate 12 to be higher than the top surface of the workbench 2 , the carrying plate 12 can be conveniently pulled out and replaced.

[0040] The working principle of the automatic screw locking machine for terminal blocks provided by the utility model is as follows:

[0041] The first step: when in use, first push the carrier plate 12 into the slide groove in the card plate 11, then push one corner of the first terminal 14 to the corner of the card plate 11 and the carrier plate 12 for easy positioning, then start the drive motor 7 to drive the drive roller 8 to rotate, so as to drive the conveyor belt 10 to rotate, and then make the card plate 11 on the conveyor belt 10 push the carrier plate 12 to start moving, when the positioning plate 16 on the card plate 11 moves to the infrared sensor 17, start the screw machine body 6 to lock the screw holes on the first terminal 14, and then start the servo motor 3 to drive the lead screw 4 to rotate, so as to drive the screw machine body 6 to move on the lead screw 4, so as to facilitate the screw locking work of different holes on the first terminal 14;

[0042] The second step: when it is necessary to screw the second terminal 15, pull the carrier plate 12 out of the slide groove of the card plate 11, and then insert the carrier plate 12 with the limiting platform 13 installed into the slide groove of the card plate 11, and then repeat the above operation to complete the screw locking work of the second terminal 15.

[0043] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0044] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0045] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. An automatic screw locking machine for terminal blocks, characterized in that: include: A support frame and a workbench, wherein the support frame is provided with a moving device, and the workbench is provided with a loading device and a portable replacement device; The moving device comprises a servo motor, a lead screw, a limit rod and a screw machine body, wherein the servo motor is fixedly mounted on a support frame, the lead screw is fixedly mounted on an output end of the servo motor, both ends of the lead screw are rotatably connected to the support frame, the limit rod is fixedly mounted on the support frame, and the screw machine body is sleeved on the lead screw and the limit rod; The feeding device comprises a driving motor, a driving roller, a driven roller and a conveyor belt, wherein the driving motor is fixedly mounted on a workbench, the driving roller and the driven roller are both rotatably mounted on the workbench, the output end of the driving motor is fixedly connected to the driving roller, and the conveyor belt is wound around the driving roller and the driven roller; The portable replacement device includes a card plate, a carrying plate, a limit platform, a first terminal and a second terminal. The card plate is fixedly connected to the conveyor belt, the carrying plate is slidably installed on the card plate, the limit platform is fixedly connected to the carrying plate, and the first terminal and the second terminal are both placed on the top surface of the carrying plate.

2. The automatic screw locking machine for terminal blocks according to claim 1, characterized in that: A positioning plate is fixedly connected to one side surface of the clamping plate, and an infrared sensor is fixedly installed on the top surface of the workbench.

3. The automatic screw locking machine for terminal blocks according to claim 1, characterized in that: There are a plurality of the clamping plates and the carrying plates, and every two carrying plates are hingedly connected.

4. The automatic screw locking machine for terminal blocks according to claim 1, characterized in that: The inner surface of the clamping plate is provided with a slide groove, and the size of the slide groove matches the size of the carrying plate.

5. The automatic screw locking machine for terminal blocks according to claim 1, characterized in that: The shape of one corner of the second connecting terminal matches the shape of one corner of the limiting platform.

6. The automatic screw locking machine for terminal blocks according to claim 1, characterized in that: The position of the carrying plate is higher than the top surface of the workbench, and the positioning plate and the infrared sensor are located on the same horizontal line.

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