Automatic assembly mechanism for moving contact piece and COM terminal in micro switch

Abstract

The invention discloses an automatic assembly mechanism for a moving contact piece and a COM terminal in a micro switch, which comprises a jig, a first driving device arranged on one side of the jig, a second driving device arranged on the other side of the jig, a third driving device arranged above the jig, a first pushing block transmission-connected to the first driving device, a second pushing block transmission-connected to the second driving device, and a pressing block transmission-connected to the third driving device; the jig is provided with a COM terminal placement area and a moving contact piece placement area; the first pushing block drives the COM terminal to be inserted into an opening of the moving contact piece; the pressing block presses the COM terminal; the second driving device drives the second pushing block to perform linear motion to push the moving contact piece to a specified position on the COM terminal; the invention solves the problems of high assembly cost, low assembly efficiency and unstable assembly quality of moving contacts and COM terminals in existing micro switches.

Description

Technical Field

[0001] The invention relates to the technical field of automated production of micro switches, and in particular to an automatic assembly mechanism for a moving contact piece and a COM terminal in a micro switch. Background Art

[0002] Please refer to Figure 1 The micro switch includes a moving contact piece 01 and a COM terminal 02, wherein the moving contact piece 01 is soft and has two openings 011 on the moving contact piece 01. Correspondingly, the COM terminal 02 has two plug-in parts 021 inserted into the openings 011, and the plug-in part 021 is provided with a recessed bayonet 0211. Please refer to Figure 2 The prior art requires that the two openings 011 on the moving contact piece 01 be respectively inserted into the plug-in portion 021, and the two openings 011 on the moving contact piece 01 be finally snapped into the position of the snap-in 0211. The above assembly operation is usually completed manually, and manual operation has the disadvantages of high cost, low efficiency and unstable assembly quality. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned defects in the prior art and provide an automatic assembly mechanism for a moving contact piece and a COM terminal in a micro switch, which mainly solves the technical problems of high assembly cost, low assembly efficiency and unstable assembly quality of the moving contact piece and the COM terminal in the existing micro switch.

[0004] To achieve the above-mentioned purpose, the present invention provides an automatic assembly mechanism for a moving contact piece and a COM terminal in a micro switch, which includes a jig, a first driving device arranged on one side of the jig, a second driving device arranged on the other side of the jig, a third driving device arranged above the jig, a first pushing block transmission-connected to the first driving device, a second pushing block transmission-connected to the second driving device, and a pressing block transmission-connected to the third driving device; a COM terminal placement area and a moving contact piece placement area are arranged on the jig; the first driving device drives the first pushing block to perform linear motion to drive the COM terminal located on the COM terminal placement area to be inserted into the opening of the moving contact piece located on the moving contact piece placement area; the third driving device drives the pressing block to perform linear motion to press the COM terminal located on the COM terminal placement area; the second driving device drives the second pushing block to perform linear motion to push the moving contact piece to a specified position on the COM terminal.

[0005] In the above technical solution, a positioning slot for positioning the COM terminal is provided on the first pushing block.

[0006] In the above technical solution, the fixture is provided with limiting slots for limiting the two ends of the moving contact piece respectively.

[0007] The above technical solution further comprises a first slide seat, and the second push block is slidably connected to the first slide seat so that the second push block can slide and retract freely in the first slide seat.

[0008] The above technical solution further comprises a second slide seat, and the pressing block is slidably connected to the second slide seat so that the pressing block can slide and retract freely in the second slide seat.

[0009] In the above technical solution, the first driving device is a cylinder.

[0010] In the above technical solution, the second driving device is a cylinder.

[0011] In the above technical solution, the third driving device is a cylinder.

[0012] In the above technical solution, the end of the bottom of the pressing block is configured as an elastic soft portion.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] During assembly, the moving contact is first placed in the moving contact placement area of ​​the jig manually or by machine, and the COM terminal is placed in the COM terminal placement area of ​​the jig. Then, the first driving device drives the first pushing block to move linearly, so that the first pushing block drives the COM terminal located on the COM terminal placement area to be inserted into the opening of the moving contact located on the moving contact placement area, that is, at this time, the COM terminal opens the opening on the moving contact. Then, the third driving device drives the pressing block to descend to press the COM terminal located on the COM terminal placement area to avoid the problem of COM terminal offset during subsequent assembly. Finally, the second driving device drives the second pushing block to move linearly, so as to push the moving contact to the specified position on the COM terminal. The technical solution can automatically realize the assembly operation of the moving contact and the COM terminal, greatly improve the production efficiency of the micro switch, and also save labor costs. The stability of assembly quality is also greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is an exploded view of a moving contact piece and a COM terminal of a micro switch provided in the prior art;

[0017] Figure 2It is a schematic diagram of the structure after the moving contact piece and the COM terminal of the micro switch provided in the prior art are assembled into one;

[0018] Figure 3 It is a structural schematic diagram of an automatic assembly mechanism for a moving contact piece and a COM terminal in a micro switch provided by the present invention;

[0019] Figure 4 It is a structural schematic diagram of an automatic assembly mechanism for a moving contact piece and a COM terminal in a micro switch provided by the present invention, after removing each driving device;

[0020] Figure 5 The present invention is a schematic structural diagram of an automatic assembly mechanism for a moving contact piece and a COM terminal in a micro switch provided by the present invention, with each driving device removed, at another angle. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Please refer to Figure 3-Figure 5 The present invention provides an automatic assembly mechanism for a moving contact piece and a COM terminal in a micro switch, which includes a fixture 1, a first driving device 2, a second driving device 3, a third driving device 4, a first push block 5, a second push block 6, a pressing block 7, a first slide seat 8 and a second slide seat 9.

[0023] The first driving device 2 is arranged on one side of the fixture 1, and is used to drive the first push block 5 to perform linear lateral movement in the horizontal direction. In this embodiment, the first driving device 2 is preferably a low-cost cylinder, but is not limited to this. In other embodiments, the first driving device 2 can also be a screw linear module, a synchronous belt linear module or a linear motor, etc.

[0024] Secondly, the second drive device 3 is arranged on the other side of the fixture 1, and the second drive device 3 is used to drive the second push block 6 to perform linear lateral movement in the horizontal direction, and the second push block 6 is slidably connected in the first slide 8 to improve the linear motion accuracy of the second push block 6 and ensure the stability of the operation. In this embodiment, the second drive device 3 is also preferably a low-cost cylinder, but is not limited to this. In other embodiments, the second drive device 3 can also be a screw linear module, a synchronous belt linear module or a linear motor, etc.

[0025] In addition, the third driving device 4 is arranged above the fixture 1, and is used to drive the pressing block 7 to perform linear lateral movement in the vertical direction, and the pressing block 7 is slidably connected in the second slide 9 to improve the linear motion accuracy of the pressing block 7 and ensure the stability of the operation. In this embodiment, the third driving device 4 is also preferably a low-cost cylinder, but is not limited thereto. In other embodiments, the third driving device 4 can also be a screw linear module, a synchronous belt linear module or a linear motor, etc.

[0026] More specifically, the jig 1 is provided with a COM terminal placement area 11 and a moving contact piece placement area 12, and the first push block 5 is provided with a positioning slot 51, which is used to position the COM terminal 02 to ensure that the COM terminal 02 has an accurate relative position with the first push block 5. The jig 1 is also provided with a limiting slot 13 for limiting the two ends of the moving contact piece.

[0027] For more information, see Figure 1-Figure 5 During assembly, the movable contact piece 01 is first inserted into the limiting slot 13 on the movable contact piece placement area manually or by machine, the COM terminal 02 is placed in the COM terminal placement area 11 of the fixture 1, and the COM terminal 02 is inserted into the positioning slot 51 on the first push block 5. At this time, the COM terminal 02 will be firmly fixed on the first push block 5, and then the first driving device 2 drives the first push block 5 to move linearly, so that the first push block 5 drives the COM terminal 02 located on the COM terminal placement area 11 to be inserted into the opening 011 of the movable contact piece 01 located on the movable contact piece placement area 12, that is, at this time, the COM terminal 0 2, the two plug-in parts 021 on the two openings 011 on the moving contact piece 01 are respectively opened, and then the third driving device 4 drives the pressing block 7 to descend, and the elastic soft part 71 at the bottom end of the pressing block 7 presses the COM terminal 02 located on the COM terminal placement area 11 to avoid the problem of the COM terminal 02 being offset during the subsequent assembly process. The elastic soft part 71 can avoid the problem of scratching the COM terminal 02 due to rigid contact with the COM terminal 02. Finally, the second driving device 3 drives the second pushing block 6 to move in a straight line, thereby pushing the moving contact piece 01 to the bayonet 0211 of the COM terminal 02.

[0028] In summary, the technical solution can automatically realize the assembly operation of the moving contact piece and the COM terminal, greatly improving the production efficiency of the micro switch, while also saving labor costs, and greatly improving the stability of the assembly quality.

[0029] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. An automatic assembly mechanism for a moving contact piece and a COM terminal in a micro switch, characterized in that: The jig (1) comprises a first driving device (2) arranged on one side of the jig (1), a second driving device (3) arranged on the other side of the jig (1), a third driving device (4) arranged above the jig (1), a first pushing block (5) drivingly connected to the first driving device (2), a second pushing block (6) drivingly connected to the second driving device (3), and a pressing block (7) drivingly connected to the third driving device (4); the jig (1) is provided with a COM terminal placement area (11) and a moving contact piece placement area (12); The first push block (5) is provided with a positioning slot (51) for positioning the COM terminal; The COM terminal (02) is inserted into a positioning slot (51) on the first push block (5), and the positioning slot (51) is used to position the COM terminal (02) to ensure that the COM terminal (02) and the first push block (5) have an accurate relative position; The jig (1) is provided with limiting slots (13) for limiting the two ends of the moving contact piece respectively; The first driving device (2) drives the first push block (5) to perform linear motion, thereby driving the COM terminal (02) located on the COM terminal placement area (11) to be inserted into the opening (011) of the moving contact piece (01) located on the moving contact piece placement area (12), and the two plug-in parts (021) on the COM terminal (02) respectively open the two openings (011) on the moving contact piece (01); The second driving device (3) drives the second pushing block (6) to perform linear motion, so as to push the moving contact piece (01) to the bayonet (0211) of the COM terminal (02); The end of the bottom of the pressing block (7) is arranged as an elastic soft portion (71); the third driving device (4) drives the pressing block (7) to perform linear motion, and the elastic soft portion (71) at the end of the bottom of the pressing block (7) presses the COM terminal (02) located on the COM terminal placement area (11).

2. The automatic assembly mechanism for the moving contact piece and COM terminal in a micro switch according to claim 1, characterized in that: It also comprises a first sliding seat (8), and the second push block (6) is slidably connected to the first sliding seat (8), so that the second push block (6) can slide and retract freely in the first sliding seat (8).

3. The automatic assembly mechanism for the moving contact piece and the COM terminal in a micro switch according to claim 1, characterized in that: It also includes a second slide seat (9), and the pressing block (7) is slidably connected to the second slide seat (9) so that the pressing block (7) can slide and retract freely in the second slide seat (9).

4. The automatic assembly mechanism for the moving contact piece and COM terminal in a micro switch according to claim 1, characterized in that: The first driving device (2) is a cylinder.

5. The automatic assembly mechanism for the moving contact piece and COM terminal in a micro switch according to claim 1, characterized in that: The second driving device (3) is a cylinder.

6. The automatic assembly mechanism for the moving contact piece and COM terminal in a micro switch according to claim 1, characterized in that: The third driving device (4) is a cylinder.

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