Watch copper sheet spot welding guiding and positioning module jig

Abstract

The utility model discloses a watch copper sheet spot welding guiding and positioning module jig, and belongs to the technical field of watch welding jigs. A watch copper sheet spot welding guiding and positioning module jig comprises a base and further comprises a workbench fixedly connected to the top of the base, and a negative pressure adsorption fixing mechanism is arranged on the workbench and used for positioning a product and adsorbing and limiting the product; the guide plate is arranged on the workbench in a sliding mode, a pressing rod is arranged at the end of the guide plate and extends to one side of the negative pressure adsorption fixing mechanism, a contact suction head is arranged at the output end of the mechanical arm mechanism, and the contact suction head is arranged above the negative pressure adsorption fixing mechanism and used for taking and placing a copper sheet and placing the copper sheet in the negative pressure adsorption fixing mechanism; according to the watch welding fixture, a watch product can be accurately positioned and tightly pressed, the shaking phenomenon is avoided, the watch welding quality can be improved, the number of generated unqualified welding points is reduced, and the phenomena of poor mass quality and reworking are prevented.

Description

Technical Field

[0001] This utility model relates to the field of watch welding fixture technology, and in particular to a watch copper sheet spot welding guide and positioning module fixture. Background Technology

[0002] With the development of the watch industry, the requirements for the precision and reliability of the internal structure of watches are becoming increasingly higher. Copper sheets are mainly used for circuit connection and signal transmission in watches, so their welding quality directly affects the performance and service life of the watch.

[0003] In existing technologies, spot welding is typically used to connect copper sheets. Its advantage is that it can be fixed by high temperature in a short time. However, during the injection molding process of watch copper sheets, slight dimensional errors may lead to poor fit between the copper sheet and the welding mold. It is precisely because of this dimensional deviation that the contact area and conductivity during welding may be affected, which in turn directly affects the quality of watch welding, resulting in unqualified weld points and ultimately requiring rework. Utility Model Content

[0004] The purpose of this invention is to solve the problem in the prior art that small dimensional errors in the injection molding process of watch copper sheets may lead to poor fit between the copper sheet and the welding mold, requiring subsequent rework. Therefore, this invention proposes a spot welding guide and positioning module fixture for watch copper sheets.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A fixture for a copper sheet spot welding guide and positioning module for watches includes a base and further includes: a worktable fixedly connected to the top of the base, wherein a negative pressure adsorption fixing mechanism is provided on the worktable for positioning and adsorbing the product; a guide plate slidably disposed on the worktable, wherein a pressure rod is provided at the end of the guide plate and extends to one side of the negative pressure adsorption fixing mechanism for guiding the product to move and pressing it; and a robotic arm mechanism disposed on the base, wherein a contact suction head is provided at the output end of the robotic arm mechanism, the contact suction head being disposed above the negative pressure adsorption fixing mechanism for picking up and placing copper sheets into the negative pressure adsorption fixing mechanism.

[0007] To facilitate the positioning and fixing of the watch case, preferably, the negative pressure adsorption fixing mechanism includes an adsorption groove, a positioning block is fixedly connected to the worktable, the adsorption groove is set on the positioning block, and an adsorption hole is provided in the adsorption groove.

[0008] To further improve the stability of the watch case, a buffer pad is provided inside the adsorption hole, and one end of the buffer pad extends to the outside of the adsorption hole.

[0009] To hold the copper sheet in place and prevent misalignment, preferably, the pressure rod has a first bend and a second bend, with the two bends forming a C-shape. The second bend extends into the adsorption tank to form a working end, and a carrier hole is provided on the working end, which mates with the contact suction head.

[0010] Furthermore, the base is provided with a movable plate, and an extension plate is fixedly connected to the end of the movable plate. A pressure claw plate is provided on the extension plate, and the pressure claw plate extends into the adsorption groove to cooperate with the pressure rod.

[0011] To provide a buffering effect and prevent damage from overpressure, preferably, the base is provided with a slider, and the guide plate is provided on the top of the slider.

[0012] To facilitate the back-and-forth movement and allow the product to be fed into the adsorption tank, a first cylinder is fixedly connected to the base. The output end of the first cylinder is parallel to the long side of the base. The output end of the first cylinder is fixedly connected to a first moving platform. The guide plate is movably mounted on the first moving platform.

[0013] To automatically raise and lower the guide plate and avoid interference with the product, preferably, a second cylinder is fixedly connected to the first moving platform. The axis of the second cylinder is perpendicular to the upper surface of the base. The output end of the second cylinder is provided with the second moving platform. The slider is provided on the side wall of the second moving platform. The slider can move vertically up and down with the extension and retraction of the second cylinder.

[0014] Preferably, a mounting base is fixedly connected to the side wall of the second mobile platform, a vertical rod is fixedly connected to the top of the mounting base, and the slider is slidably connected to the vertical rod. A return spring is sleeved on the vertical rod, and the two ends of the return spring are respectively connected to the mounting base and the outside of the slider.

[0015] To facilitate the movement of the contact suction head, preferably, the robotic arm mechanism includes a robotic arm positioned above the worktable, with the contact suction head positioned at the bottom of the robotic arm.

[0016] Compared with the prior art, this utility model provides a watch copper sheet spot welding guide and positioning module fixture, which has the following beneficial effects:

[0017] 1. The copper sheet spot welding guide positioning module fixture for this watch can adsorb and position the copper sheet that needs to be positioned for spot welding through a negative pressure adsorption fixing mechanism (adsorption tank) and press it, thereby improving the positioning accuracy of the copper sheet.

[0018] 2. The copper sheet spot welding guide positioning module fixture for this watch can pick up and unload the copper sheet through a robotic arm mechanism, thereby improving the stability of the copper sheet;

[0019] 3. This watch copper sheet spot welding guide positioning module fixture can be replaced with other types of guide plates as needed, so as to be applicable to spot welding of copper sheets of other different types of watches.

[0020] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model can accurately position watch products, press the watch products firmly to prevent shaking, improve the quality of watch welding, reduce the number of unqualified welding points, and prevent large-scale quality defects and rework. Attached Figure Description

[0021] Figure 1 This is an isometric structural diagram of a watch copper sheet spot welding guide and positioning module fixture proposed in this utility model;

[0022] Figure 2 This is a schematic diagram of the manipulator mechanism of a watch copper sheet spot welding guide and positioning module jig proposed in this utility model;

[0023] Figure 3 This utility model proposes a watch copper sheet spot welding guide and positioning module fixture. Figure 1 A schematic diagram of the structure of part A;

[0024] Figure 4 This utility model proposes a watch copper sheet spot welding guide and positioning module fixture. Figure 1 A structural diagram of section B;

[0025] Figure 5 This utility model proposes a watch copper sheet spot welding guide and positioning module fixture. Figure 1 A structural diagram of section C;

[0026] Figure 6 This utility model proposes a watch copper sheet spot welding guide and positioning module fixture. Figure 1 A schematic diagram of the structure of part D.

[0027] In the diagram: 1. Base; 2. Workbench; 3. Positioning block; 4. Adsorption tank; 401. Adsorption hole; 5. Guide plate; 501. Pressure rod; 502. Carrier hole; 6. Movable plate; 601. Extension plate; 602. Pressure claw plate; 7. Slider; 701. Mounting base; 702. Return spring; 8. First moving platform; 9. Mechanical moving hand; 10. Contact suction head; 11. First cylinder; 12. Second moving platform; 13. Second cylinder. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] Example:

[0031] Reference Figures 1-6 A watch copper sheet spot welding guide and positioning module fixture includes a base 1, and further includes: a worktable 2, fixedly connected to the top of the base 1, wherein the worktable 2 is provided with a negative pressure adsorption fixing mechanism for positioning the product and adsorbing and limiting it; a guide plate 5, slidably disposed on the worktable 2, wherein the end of the guide plate 5 is provided with a pressure rod 501, and the pressure rod 501 extends to one side of the negative pressure adsorption fixing mechanism for guiding the product to move and pressing it; and a robotic arm mechanism disposed on the base 1, wherein the output end of the robotic arm mechanism is provided with a contact suction head 10, which is disposed above the negative pressure adsorption fixing mechanism for picking up and placing copper sheets and placing them in the negative pressure adsorption fixing mechanism, thereby improving the positioning accuracy of the copper sheets.

[0032] The base 1 is used to support the workbench 2, so that the height of the workbench 2 is fixed at the top of the base 1. The watch case product can be positioned and fixed by the negative pressure adsorption fixing mechanism.

[0033] Furthermore, the aforementioned negative pressure adsorption fixing mechanism includes an adsorption tank 4, a positioning block 3 is fixedly connected to the workbench 2, the adsorption tank 4 is set on the positioning block 3, and an adsorption hole 401 is provided in the adsorption tank 4.

[0034] Furthermore, a negative pressure pump is installed on the workbench 2 to provide negative pressure suction to the adsorption hole 401. A buffer pad is installed inside the adsorption hole 401, and the protruding end of the buffer pad extends to the outside of the adsorption hole 401.

[0035] When the watch product to be processed is placed on the adsorption tank 4, the protruding end of the buffer pad will fit against the bottom of the watch. Then the negative pressure pump will start, and the watch product will fit against the inner wall of the adsorption tank 4, which can make the watch product accurately positioned on the adsorption tank 4.

[0036] In addition, the pressure rod 501 extends to one side of the negative pressure adsorption fixing mechanism to guide the product movement and press it. The pressure rod 501 is provided with a first bend and a second bend, and the two bends form a C-shape. The second bend extends into the adsorption tank 4 to form a working end. A carrier hole 502 is opened on the working end, and the carrier hole 502 cooperates with the contact suction head 10.

[0037] A copper sheet can be placed in the carrier hole 502, and the contact suction head 10 can place the copper sheet in the carrier hole 502, and the working end of the pressure rod 501 can press the copper sheet.

[0038] A movable plate 6 is also provided on the base 1. An extension plate 601 is fixedly connected to the end of the movable plate 6. A pressure claw plate 602 is provided on the extension plate 601, and the pressure claw plate 602 extends into the adsorption groove 4 to cooperate with the pressure rod 501.

[0039] The pressure plate 602 can press the watch product firmly to prevent it from shaking.

[0040] In order to enable the guide plate 5 to move back and forth, a first cylinder 13 is fixedly connected to the base 1, and the first cylinder 13 is arranged horizontally. The output end of the first cylinder 13 is fixedly connected to the first moving platform 8, and the guide plate 5 is lifted and lowered on the first moving platform 8.

[0041] In order to realize the lifting and moving of the guide plate 5, a second cylinder 11 is fixedly connected to the first moving platform 8, and the second cylinder 11 is arranged longitudinally. The output end of the second cylinder 11 is provided with a second moving platform 12, and the slider 7 is arranged on the side wall of the second moving platform 12.

[0042] A slider 7 is provided on the base 1, and a guide plate 5 is provided on the top of the slider 7. The slider 7 can provide a buffering effect to avoid damage caused by overpressure.

[0043] To improve the buffering effect of the slider 7, a mounting base 701 is fixedly connected to the side wall of the second moving platform 12. A vertical rod is fixedly connected to the top of the mounting base 701, and the slider 7 is slidably connected to the vertical rod. A return spring 702 is sleeved on the vertical rod, and the two ends of the return spring 702 are respectively connected to the mounting base 701 and the outside of the slider 7.

[0044] When the slider 7 is pressed down, the return spring 702 can play a damping role.

[0045] Furthermore, the aforementioned robotic arm mechanism includes a robotic arm 9, which is positioned above the worktable 2, and a contact suction head 10 is positioned at the bottom of the robotic arm 9.

[0046] A negative pressure pump is installed on the mechanical moving arm 9 to provide suction force to the contact suction head 10.

[0047] It should be explained that the first cylinder 13 and the second cylinder 11 mentioned above are each provided in two sets, located on the left and right sides respectively, while the movable plate 6 is located on the left side, the guide plate 5 is located on the right side, and the slider 7 is provided in two sets, located on the left and right sides respectively.

[0048] The working principle is as follows: The contact suction head 10 at the bottom of the mechanical moving hand 9 adsorbs the watch product and moves it into the adsorption tank 4. The first cylinder 13 on the right moves the first moving platform 8 toward the adsorption tank 4. The second cylinder 11 on the right moves the second moving platform 12 downward. The second moving platform 12 on the right, together with the slider 7 and the working end on the guide plate 5, presses down to clamp the product and begins to guide the copper sheet. Then, the contact suction head 10 at the bottom of the mechanical moving hand 9 adsorbs the copper sheet and places it into the carrier hole 502. The first cylinder 13 on the left moves the first moving platform 8 toward the adsorption tank 4. The second cylinder 11 on the left moves the second moving platform 12 downward. The second moving platform 12 on the left, together with the slider 7 and the pressure claw plate 602 on the movable plate 6, begins to press down to clamp the copper sheet and begins spot welding. Finally, the process is completed by retracting the mechanical moving hand 9.

[0049] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A watch copper sheet spot welding guide positioning module jig, comprising a base (1), characterized in that, Also includes: The workbench (2) is fixedly connected to the top of the base (1). The workbench (2) is equipped with a negative pressure adsorption fixing mechanism, which is used to position the product and adsorb and limit its position. The guide plate (5) is slidably mounted on the worktable (2). The guide plate (5) is provided with a pressure rod (501) at its end, and the pressure rod (501) extends to one side of the negative pressure adsorption fixing mechanism to guide the product to move and press it. The robotic arm mechanism is mounted on the base (1). The output end of the robotic arm mechanism is provided with a contact suction head (10), which is located above the negative pressure adsorption fixing mechanism and is used to pick up and place copper sheets into the negative pressure adsorption fixing mechanism.

2. The watch copper sheet spot welding guide positioning module jig according to claim 1, characterized in that, The negative pressure adsorption fixing mechanism includes an adsorption tank (4), a positioning block (3) is fixedly connected to the workbench (2), the adsorption tank (4) is set on the positioning block (3), and an adsorption hole (401) is provided in the adsorption tank (4).

3. The watch copper sheet spot welding guide positioning module jig according to claim 2, characterized in that, A buffer pad is provided inside the adsorption hole (401), and one end of the buffer pad extends to the outside of the adsorption hole (401).

4. The watch copper sheet spot welding guide positioning module jig according to claim 2, characterized in that, The pressure rod (501) is provided with a first bend and a second bend, and the two bends form a C-shape. The second bend extends into the adsorption tank (4) to form a working end. A carrier hole (502) is provided on the working end, and the carrier hole (502) cooperates with the contact suction head (10).

5. The watch copper sheet spot welding guide positioning module jig according to claim 4, characterized in that, The base (1) is provided with a movable plate (6), and an extension plate (601) is fixedly connected to the end of the movable plate (6). A pressure claw plate (602) is provided on the extension plate (601), and the pressure claw plate (602) extends into the adsorption groove (4) to cooperate with the pressure rod (501).

6. The watch copper sheet spot welding guide positioning module jig according to claim 1, characterized in that, A slider (7) is provided on the base (1), and a guide plate (5) is provided on the top of the slider (7).

7. The watch copper sheet spot welding guide positioning module jig according to claim 6, characterized in that, A first cylinder (13) is fixedly connected to the base (1), and the output end of the first cylinder (13) is parallel to the long side of the base (1). The output end of the first cylinder (13) is fixedly connected to the first moving platform (8), and the guide plate (5) is movably mounted on the first moving platform (8).

8. The watch copper sheet spot welding guide positioning module jig according to claim 7, characterized in that, A second cylinder (11) is fixedly connected to the first moving platform (8). The axis of the second cylinder (11) is perpendicular to the upper surface of the base (1). A second moving platform (12) is provided at the output end of the second cylinder (11). The slider (7) is provided on the side wall of the second moving platform (12). The slider (7) can move vertically up and down with the extension end of the second cylinder (11).

9. The watch copper sheet spot welding guide positioning module jig according to claim 8, characterized in that, A mounting base (701) is fixedly connected to the side wall of the second mobile platform (12). A vertical rod is fixedly connected to the top of the mounting base (701), and the slider (7) is slidably connected to the vertical rod. A return spring (702) is sleeved on the vertical rod. The two ends of the return spring (702) are respectively connected to the outside of the mounting base (701) and the slider (7).

10. The watch copper sheet spot welding guide positioning module jig according to claim 1, characterized in that, Said mechanical hand mechanism comprises a mechanical mobile hand (9) arranged above said worktable (2) and a contact suction head (10) arranged at the bottom of said mechanical mobile hand (9).

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