Circuit board work fixture

Abstract

The utility model relates to the technical field of tool clamps, in particular to a circuit board tool clamp which comprises a base. The working platform is arranged on the upper surface of the base, a circular groove is formed in the upper surface of the working platform, a rotating disc is rotationally arranged on the inner wall of the circular groove, and a positioning groove used for positioning a circuit board is formed in the upper surface of the rotating disc; and the positioning assembly comprises strip-shaped grooves formed in the inner bottom walls of the positioning grooves and a rectangular cavity formed in the rotating disc, a two-way lead screw is rotationally arranged on the inner wall of each strip-shaped groove, and two symmetrical sliding blocks are arranged on the inner wall of each strip-shaped groove in a sliding mode. By arranging the positioning assembly and the reinforcing assembly, when the circuit board is processed, the circuit board can be placed in the positioning groove in the rotating disc, and the rotating disc is rotated through the crank, so that the two inverted triangular clamping blocks effectively abut against and clamp the two ends of the circuit board; the purpose of effectively positioning circuit boards of different specifications and sizes is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a circuit board tooling fixture. Background Art

[0002] In the prior art, an SMT circuit board positioning fixture with publication number CN219499667U adopts the scheme of "including a fixture body, the upper end of the fixture body is connected to a support rod, the upper end of the support rod is connected to a positioning platform, the positioning platform is a U-shaped structure, the upper end of the fixture body is connected to a fixed vertical plate, a threaded hole is provided in the front of the fixed vertical plate, the upper end of the fixture body is provided with a lifting assembly, and the upper end of the lifting assembly is provided with a clamping assembly". This scheme facilitates the assembly of sheet components to be assembled between the fixed clamp arm and the movable clamp arm through the deformation of the spring, and also provides a connecting rod on the back of the fixed clamp arm, and the pneumatic cylinder can drive the connecting rod on the piston rod to move up and down, so that the fixed sheet components can be lifted and lowered smoothly, which not only avoids the problem of offset caused by shaking caused by manual installation, but also effectively improves the assembly quality and reduces the defective rate.

[0003] However, the above scheme still has some shortcomings. For example, when actually positioning the circuit board, since the length of the positioning table and the clamp is fixed, the tooling fixture can only effectively position circuit boards of the same size. When it comes to some larger or smaller circuit boards, they cannot be effectively positioned on the positioning table. That is, the technical solution proposed by the above patent technology has the defect of being unable to effectively position circuit boards of different specifications.

[0004] In view of this, the utility model proposes a circuit board fixture. Utility Model Content

[0005] The purpose of the utility model is to provide a circuit board fixture, which has the advantage of being able to effectively position the circuit board, so as to solve the defect that circuit boards of different specifications cannot be effectively positioned as mentioned in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A circuit board fixture, comprising:

[0008] Base;

[0009] A working platform, wherein the working platform is arranged on the upper surface of the base, and a circular groove is provided on the upper surface of the working platform, a rotating disk is rotatably provided on the inner wall of the circular groove, and a positioning groove for positioning the circuit board is provided on the upper surface of the rotating disk;

[0010] The positioning assembly includes strip grooves respectively opened in the bottom wall of the positioning groove, and a rectangular cavity opened in the rotating disk, the inner wall of the strip groove is rotatably provided with a bidirectional lead screw, and the inner wall of the strip groove is slidably provided with two symmetrical sliders, the side surfaces of the two sliders are provided with threaded holes threadedly connected to the outer surface of the bidirectional lead screw, the upper surfaces of the two sliders are fixed with inverted triangular clamping blocks for clamping and fixing the two sides of the circuit board, and the positioning assembly also includes a rotating disk rotatably arranged on the upper surface of the rotating disk for rotating the bidirectional lead screw.

[0011] As a preferred technical solution, the inner top wall of the rectangular cavity is rotatably provided with a rotating rod extending to the upper surface of the rotating disk, one end of the bidirectional lead screw extends into the interior of the rectangular cavity and is fixed with a bevel gear meshing with the bottom end of the rotating rod.

[0012] As a preferred technical solution, the rotating disk is fixedly mounted on the top of the rotating rod, and a crank is rotatably provided on the upper surface of the rotating disk for facilitating the rotation of the rotating disk.

[0013] As a preferred technical solution, a limiting ring is fixedly provided on the outer ring surface of the rotating disk, and an annular groove is opened on the inner wall of the circular groove for the limiting ring to rotate. A plurality of rolling balls are arranged in a circular array on the upper and lower surfaces of the limiting ring, and the rolling balls are rollingly connected to the inner wall of the annular groove. An operating lever is rotatably arranged on the upper surface of the rotating disk for facilitating the rotation of the rotating disk.

[0014] As a preferred technical solution, the upper surface of the working platform is provided with a reinforcement component for reinforcing the positioned circuit board, and the reinforcement component includes four rotating frames fixed in a circular array on the upper surface of the working platform, and a rotating tube rotatably arranged on the inner wall of the rotating frame, a telescopic rod is slidably arranged on the inner wall of the rotating tube, and a positioning column for positioning the surface of the circuit board is fixed on the lower surface of the end of the telescopic rod.

[0015] As a preferred technical solution, the upper surface of the working platform is provided with mounting grooves corresponding to the four rotating tubes in a circular array, the inner bottom wall of the mounting groove is fixed with two symmetrical springs, and the top of the spring is fixedly connected to the lower surface of the rotating tube, and the upper surface of the rotating tube is threadedly connected with a brake bolt for braking the telescopic rod.

[0016] As a preferred technical solution, the upper surface of the base is provided with an adjustment component for adjusting the angle of the working platform. The adjustment component includes a rectangular groove opened on the upper surface of the base, and the lower edge of one side of the end of the working platform is rotatably connected to the upper surface of the base.

[0017] As a preferred technical solution, the adjustment component also includes a driving motor fixed on the inner wall of the rectangular groove, and a threaded column fixed on the output end of the driving motor. A moving block is slidably provided on the inner wall of the rectangular groove, and a threaded hole threadedly connected to the outer surface of the threaded column is provided on the side of the moving block. An adjusting top rod is rotatably provided on the upper surface of the moving block, and the top end of the adjusting top rod is rotatably connected to the lower surface of the working platform.

[0018] Beneficial Effects

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0020] 1. The utility model provides a positioning component and a reinforcement component. When processing a circuit board, the circuit board can be placed in a positioning groove on a rotating disk, and the rotating disk can be rotated by a crank so that two inverted triangle clamps can effectively clamp the two ends of the circuit board, thereby achieving the purpose of effectively positioning circuit boards of different specifications and sizes.

[0021] 2. The utility model provides an adjustment component, and after the circuit board is positioned in the positioning groove on the rotating disk, the use angle of the working platform can be adjusted when in use, which is convenient for clerks with different habits and heights to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model 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 only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0025] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0026] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0027] In the figure:

[0028] 100, base;

[0029] 200, working platform; 201, rotating disk; 202, positioning slot; 203, operating lever; 204, limiting ring; 205, rolling ball;

[0030] 300, positioning assembly; 301, bidirectional lead screw; 302, slider; 303, inverted triangle clamping block; 304, rotating disk; 305, rotating rod; 306, bevel gear; 307, crank;

[0031] 400, reinforcement assembly; 401, rotating tube; 402, telescopic rod; 403, positioning column; 404, spring; 405, brake bolt;

[0032] 500, adjustment component; 501, driving motor; 502, threaded column; 503, moving block; 504, adjustment push rod. DETAILED DESCRIPTION

[0033] 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.

[0034] According to the attached Figure 1-4 As shown, the embodiment of the utility model provides a circuit board fixture, including:

[0035] Base 100;

[0036] The working platform 200 is arranged on the upper surface of the base 100, and a circular groove is provided on the upper surface of the working platform 200, a rotating disk 201 is rotatably provided on the inner wall of the circular groove, a limiting ring 204 is fixedly provided on the outer ring surface of the rotating disk 201, and an annular groove for the limiting ring 204 to rotate is provided on the inner wall of the circular groove, a plurality of rolling balls 205 are provided on the upper and lower surfaces of the limiting ring 204 in a circular array, and the rolling balls 205 are rollingly connected to the inner wall of the annular groove, and an operating rod 203 for facilitating the rotation of the rotating disk 201 is rotatably provided on the upper surface of the rotating disk 201.

[0037] The upper surface of the rotating disk 201 is provided with a positioning groove 202 for positioning the circuit board;

[0038] The positioning assembly 300 includes strip grooves respectively opened on the inner bottom wall of the positioning groove 202, and a rectangular cavity opened inside the rotating disk 201. A bidirectional lead screw 301 is rotatably arranged on the inner wall of the strip groove, and two symmetrical sliders 302 are slidably arranged on the inner wall of the strip groove. The sides of the two sliders 302 are provided with threaded holes threadedly connected to the outer surface of the bidirectional lead screw 301. The upper surfaces of the two sliders 302 are fixed with inverted triangular clamps 303 for clamping and fixing the two sides of the circuit board. The positioning assembly 300 also includes a rotating disk 304 rotatably arranged on the upper surface of the rotating disk 201 for rotating the bidirectional lead screw 301.

[0039] The inner top wall of the rectangular cavity is rotatably provided with a rotating rod 305 extending to the upper surface of the rotating disk 201 . One end of the bidirectional lead screw 301 extends into the interior of the rectangular cavity and is fixed with a bevel gear 306 meshing with the bottom end of the rotating rod 305 .

[0040] The rotating disk 304 is fixed on the top of the rotating rod 305 , and a crank 307 is rotatably provided on the upper surface of the rotating disk 304 for facilitating the rotation of the rotating disk 304 .

[0041] The upper surface of the working platform 200 is provided with a reinforcement component 400 for reinforcing the positioned circuit board. The reinforcement component 400 includes four rotating frames fixed in a circular array on the upper surface of the working platform 200, and a rotating tube 401 rotatably arranged on the inner wall of the rotating frame. A telescopic rod 402 is slidably arranged on the inner wall of the rotating tube 401, and a positioning column 403 for positioning the surface of the circuit board is fixed on the lower surface of the end of the telescopic rod 402.

[0042] The upper surface of the working platform 200 is provided with mounting grooves in a circular array corresponding to the four rotating tubes 401, and two symmetrical springs 404 are fixedly provided on the inner bottom wall of the mounting groove, and the top of the spring 404 is fixedly connected to the lower surface of the rotating tube 401, and the upper surface of the rotating tube 401 is threadedly connected with a brake bolt 405 for braking the telescopic rod 402.

[0043] The two ends of the circuit board are effectively clamped by the two inverted triangle clamping blocks 303, and the purpose of effectively positioning the circuit boards of different sizes is achieved. At the same time, when the circuit board is positioned and processed, the rotating tube 401 can be pushed upward, and the telescopic rod 402 can be pulled out and then released. At this time, the rotating tube 401 and the telescopic rod 402 can be restored to their original positions under the action of the spring 404, so that the positioning column 403 at the end of the telescopic rod 402 can be effectively pressed against the surface of the circuit board, thereby effectively ensuring the stability of the circuit board during positioning and processing.

[0044] Embodiment 2

[0045] Based on Example 1, refer to Figure 2 , and different from the first embodiment,

[0046] The upper surface of the base 100 is provided with an adjustment component 500 for adjusting the angle of the working platform 200. The adjustment component 500 includes a rectangular groove opened on the upper surface of the base 100, and the lower edge of one side of the end of the working platform 200 is rotatably connected to the upper surface of the base 100.

[0047] The adjustment component 500 also includes a driving motor 501 fixed on the inner wall of the rectangular groove, and a threaded column 502 fixed on the output end of the driving motor 501. A moving block 503 is slidably arranged on the inner wall of the rectangular groove, and a threaded hole threadedly connected to the outer surface of the threaded column 502 is opened on the side of the moving block 503. An adjusting push rod 504 is rotatably arranged on the upper surface of the moving block 503, and the top end of the adjusting push rod 504 is rotatably connected to the lower surface of the working platform 200.

[0048] In this embodiment, by providing an adjustment component 500, after the circuit board is positioned in the positioning groove 202 on the rotating disk 201, the rotating disk 201 can be rotated by toggling the operating lever 203, and the driving motor 501 is started by an external remote control. The rotation of the driving motor 501 drives the threaded column 502 to rotate, and the rotation of the threaded column 502 drives the moving block 503 to move. The movement of the moving block 503 is achieved by adjusting the push rod 504 to push the working platform 200, thereby achieving the adjustment of the use angle of the working platform 200 when in use, which is convenient for people with different habits and heights to operate.

[0049] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A circuit board fixture, characterized in that: include, Base (100); A working platform (200), the working platform (200) being arranged on the upper surface of the base (100), and a circular groove being provided on the upper surface of the working platform (200), a rotating disk (201) being rotatably provided on the inner wall of the circular groove, and a positioning groove (202) for positioning the circuit board being provided on the upper surface of the rotating disk (201); A positioning assembly (300) comprises strip grooves respectively provided on the inner bottom wall of the positioning groove (202), and a rectangular cavity provided inside the rotating disk (201); a bidirectional lead screw (301) is rotatably provided on the inner wall of the strip groove, and two symmetrical sliders (302) are slidably provided on the inner wall of the strip groove; threaded holes are provided on the sides of the two sliders (302) for threaded connection with the outer surface of the bidirectional lead screw (301); inverted triangle clamping blocks (303) for clamping and fixing the two sides of the circuit board are fixed on the upper surfaces of the two sliders (302); the positioning assembly (300) further comprises a rotating disk (304) rotatably provided on the upper surface of the rotating disk (201) for rotating the bidirectional lead screw (301).

2. A circuit board fixture according to claim 1, characterized in that: The inner top wall of the rectangular cavity is rotatably provided with a rotating rod (305) extending to the upper surface of the rotating disk (201); one end of the bidirectional lead screw (301) extends into the interior of the rectangular cavity and is fixedly provided with a bevel gear (306) meshing with the bottom end of the rotating rod (305).

3. A circuit board fixture according to claim 2, characterized in that: The rotating disk (304) is fixedly arranged on the top end of the rotating rod (305), and a crank (307) is rotatably arranged on the upper surface of the rotating disk (304) for facilitating the rotation of the rotating disk (304).

4. A circuit board fixture according to claim 1, characterized in that: A limiting ring (204) is fixedly arranged on the outer ring surface of the rotating disk (201); an annular groove for the limiting ring (204) to rotate is provided on the inner wall of the circular groove; a plurality of rolling balls (205) are arranged in a circular array on the upper and lower surfaces of the limiting ring (204); and the rolling balls (205) are rollingly connected to the inner wall of the annular groove; an operating rod (203) is rotatably arranged on the upper surface of the rotating disk (201) for facilitating the rotation of the rotating disk (201).

5. The circuit board fixture according to claim 1, characterized in that: The upper surface of the working platform (200) is provided with a reinforcement component (400) for reinforcing the positioned circuit board, the reinforcement component (400) comprises four rotating frames fixedly arranged on the upper surface of the working platform (200) in a circular array, and a rotating tube (401) rotatably arranged on the inner wall of the rotating frame, a telescopic rod (402) is slidably arranged on the inner wall of the rotating tube (401), and a positioning column (403) for positioning the surface of the circuit board is fixedly arranged on the lower surface of the end of the telescopic rod (402).

6. A circuit board fixture according to claim 5, characterized in that: The upper surface of the working platform (200) is provided with mounting grooves corresponding to the four rotating tubes (401) in a circular array, and the inner bottom wall of the mounting groove is fixedly provided with two symmetrical springs (404), and the top end of the spring (404) is fixedly connected to the lower surface of the rotating tube (401), and the upper surface of the rotating tube (401) is threadedly connected with a brake bolt (405) for braking the telescopic rod (402).

7. A circuit board fixture according to any one of claims 1 to 6, characterized in that: The upper surface of the base (100) is provided with an adjustment component (500) for adjusting the angle of the working platform (200), the adjustment component (500) comprises a rectangular groove provided on the upper surface of the base (100), and a lower edge of one side of the end of the working platform (200) is rotatably connected to the upper surface of the base (100).

8. A circuit board fixture according to claim 7, characterized in that: The adjustment component (500) further comprises a driving motor (501) fixedly mounted on the inner wall of the rectangular groove, and a threaded column (502) fixedly mounted on the output end of the driving motor (501); a moving block (503) is slidably mounted on the inner wall of the rectangular groove, and a threaded hole threadedly connected to the outer surface of the threaded column (502) is provided on the side of the moving block (503); an adjusting push rod (504) is rotatably mounted on the upper surface of the moving block (503), and the top end of the adjusting push rod (504) is rotatably connected to the lower surface of the working platform (200).

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