Circuit board clamping tool

Abstract

The utility model relates to a circuit board clamping tool, including a base, on which a first stand and a second stand are installed in sequence from left to right, and a push cylinder is installed on the base on the left side of the first stand, and the push cylinder can drive the first stand on the right side to move in the left and right directions; the clamping frame is a rectangular structure with an inner opening, and a jig is installed between the first clamping plate and the pad; a jig cavity for accommodating a circuit board to be tested is opened on the inner side of the jig along the front-to-back direction, and the circuit board to be tested can be installed in the jig cavity along the front-to-back direction. The utility model clamps the jig through the clamping frame, and the circuit board to be tested is installed in the jig cavity, which can reduce the probability of causing damage to the circuit board to be tested; the utility model has a high degree of automation, and can increase the processing efficiency of the circuit board to be tested.

Description

Technical Field

[0001] The utility model relates to the technical field related to circuit board processing, in particular to a circuit board clamping tool. Background Art

[0002] The names of circuit boards include: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin circuit boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. With the continuous development of science and technology, the types of electronic equipment and their production and use are increasing, so the demand for corresponding circuit boards is also increasing.

[0003] After a massive search, it was found that the prior art announcement number is CN212372131U, which discloses a clamping device for circuit board processing, including a fixed seat, both sides of the top outer wall of the fixed seat are fixedly connected with channel steel slide rails, and the inner walls of the two channel steel slide rails are slidably connected with sliders, the top outer wall of the slider is fixedly connected with a fixed plate, and the outer wall on the opposite side of the fixed plate is rotatably connected with a rotating shaft through a bearing, and the outer walls on the opposite side of the two rotating shafts are fixedly connected with a fixing frame, a threaded groove is provided on one side outer wall of the slider, and a fastening bolt is threadedly connected to the inner wall of the threaded groove, and a threaded opening is provided on one side outer wall of the channel steel slide rail. The utility model can prevent the clamping of the circuit board from being affected by the larger or smaller size of the circuit board, can prevent the circuit board from falling off the clamping plate due to the relatively smooth surface of the circuit board and affecting the processing of the circuit board, and can prevent the detection of the circuit board from being affected by dust adhering to the surface of the circuit board.

[0004] In summary, the existing circuit board clamping device directly clamps the circuit board to be tested through two clamping components. This processing method will directly apply multiple forces to the circuit board to be tested, thereby causing certain damage to the circuit board to be tested.

[0005] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a circuit board clamping tool to make it more valuable for industrial use. Utility Model Content

[0006] In order to solve any of the above technical problems, the purpose of the utility model is to provide a circuit board clamping tool.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A circuit board clamping tool comprises a base, on which a first stand and a second stand are sequentially installed from left to right, a flip motor is installed on the left side of the first stand, a clamping frame is installed on the right side of the first stand via a first rotating shaft, a driving end of the flip motor is connected to the first rotating shaft, and a clamping frame is installed on the left side of the second stand via a second rotating shaft;

[0009] A push cylinder is installed on the base on the left side of the first stand, and the push cylinder can drive the first stand on the right side to move in the left and right directions;

[0010] The clamping frame is a rectangular structure with an inner opening, a first clamping cylinder is installed on the outer side of the top of the clamping frame, a driving end at the bottom of the first clamping cylinder is connected to a first clamping plate located on the inner side of the top of the clamping frame through a first clamping rod, a pad is installed on the inner side of the bottom of the clamping frame directly below the first clamping plate, and a jig is installed between the first clamping plate and the pad;

[0011] A fixture cavity for accommodating a circuit board to be tested is opened on the inner side of the fixture along the front-to-back direction, and the circuit board to be tested can be installed in the fixture cavity along the front-to-back direction.

[0012] As a further improvement of the utility model, a sliding groove frame distributed along the left-right direction is arranged on the base below the first vertical frame, and the bottom of the first vertical frame moves along the left-right direction in the sliding groove frame through a sliding block.

[0013] As a further improvement of the utility model, a pad pair of insert blocks distributed along the front-to-back direction are provided at the bottom of the pad, and a pad pair of slots distributed along the front-to-back direction are provided on the inner side of the bottom of the clamping frame directly below the pad pair of insert blocks. The pad pair of insert blocks are inserted into the pad pair of slots below along the front-to-back direction.

[0014] As a further improvement of the present invention, clamping grooves are provided on the jig directly below the first clamping plate and on the jig directly above the pad.

[0015] As a further improvement of the utility model, a avoidance groove is opened on the jig outside the jig cavity, and a second clamping cylinder is installed in the avoidance groove. The driving end on the inner side of the second clamping cylinder is connected to the second clamping plate located in the jig cavity through a second clamping rod, and the left and right sides of the circuit board to be tested are respectively located between the two second clamping plates.

[0016] As a further improvement of the utility model, an elastic contact pad is installed on the inner side of the second clamping plate.

[0017] As a further improvement of the utility model, the elastic contact pad is a rubber pad.

[0018] As a further improvement of the utility model, guide rails distributed along the left-right direction are arranged in the fixture cavities above and below the second clamping plate, and the top and bottom of the second clamping plate are respectively connected to the guide rails through sliders.

[0019] By means of the above solution, the utility model has at least the following advantages:

[0020] The utility model clamps the fixture by means of a clamping frame, and the circuit board to be tested is installed in the cavity of the fixture, which can reduce the probability of causing damage to the circuit board to be tested;

[0021] The utility model has a high degree of automation and can increase the processing efficiency of the circuit board to be tested.

[0022] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 This is a structural schematic diagram of a circuit board clamping tooling of the utility model;

[0025] Figure 2 It is a structural schematic diagram of the fixture of the utility model;

[0026] Figure 3 yes Figure 2 Schematic diagram of the internal structure.

[0027] The meanings of the various reference numerals in the figures are as follows.

[0028] Base 1, pushing cylinder 2, flip motor 3, first stand 4, sliding groove frame 5, sliding block 6, first rotating shaft 7, clamping frame 8, first clamping cylinder 9, first clamping rod 10, first clamping plate 11, pad 12, pad to plug block 13, pad to slot 14, second stand 15, second rotating shaft 16, fixture 17, fixture cavity 18, clamping groove 19, avoidance groove 20, second clamping cylinder 21, second clamping rod 22, second clamping plate 23, elastic contact pad 24, guide rail 25, slider 26. DETAILED DESCRIPTION

[0029] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model usually described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but only represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.

[0031] Example

[0032] like Figure 1 to Figure 3 As shown,

[0033] A circuit board clamping tool comprises a base 1, on which a first stand 4 and a second stand 15 are sequentially mounted from left to right, and a sliding groove frame 5 distributed along the left-right direction is arranged on the base 1 below the first stand 4, and the bottom of the first stand 4 moves along the left-right direction in the sliding groove frame 5 through a sliding block 6. A push cylinder 2 is mounted on the base 1 on the left side of the first stand 4, and the push cylinder 2 can drive the first stand 4 on the right side to move in the left-right direction.

[0034] 1. Clamping frame 8 installed on the stand:

[0035] A flip motor 3 is installed on the left side of the first stand 4, a clamping frame 8 is installed on the right side of the first stand 4 through the first rotating shaft 7, the driving end of the flip motor 3 is connected to the first rotating shaft 7, and the clamping frame 8 is installed on the left side of the second stand 15 through the second rotating shaft 16. The clamping frame 8 is a rectangular structure with an inner opening, a first clamping cylinder 9 is installed on the outer side of the top of the clamping frame 8, the driving end of the bottom of the first clamping cylinder 9 is connected to the first clamping plate 11 located on the inner side of the top of the clamping frame 8 through the first clamping rod 10, and a pad 12 is installed on the inner side of the bottom of the clamping frame 8 directly below the first clamping plate 11.

[0036] A pad pair insert block 13 distributed along the front-to-back direction is arranged at the bottom of the pad 12, and a pad pair slot 14 distributed along the front-to-back direction is arranged on the bottom inner side of the clamping frame 8 directly below the pad pair insert block 13. The pad pair insert block 13 is inserted into the pad pair slot 14 below along the front-to-back direction.

[0037] 2. A fixture 17 is installed between the first clamping plate 11 and the backing plate 12:

[0038] A jig cavity 18 for accommodating the circuit board to be tested is provided on the inner side of the jig 17 along the front-to-back direction, and the circuit board to be tested can be installed in the jig cavity 18 along the front-to-back direction. A clearance groove 20 is provided on the jig 17 outside the jig cavity 18, and a second clamping cylinder 21 is installed in the clearance groove 20. The driving end of the inner side of the second clamping cylinder 21 is connected to a second clamping plate 23 located in the jig cavity 18 through a second clamping rod 22, and the left and right sides of the circuit board to be tested are respectively located between the two second clamping plates 23.

[0039] An elastic contact pad 24 is installed on the inner side of the second clamping plate 23 , and the elastic contact pad 24 is a rubber pad.

[0040] A clamping groove 19 is provided on the jig 17 directly below the first clamping plate 11 and on the jig 17 directly above the backing plate 12 .

[0041] Guide rails 25 distributed along the left-right direction are disposed in the fixture cavities 18 above and below the second clamping plate 23 , and the top and bottom of the second clamping plate 23 are connected to the guide rails 25 via sliders 26 , respectively.

[0042] The working principle of this utility model is briefly described as follows:

[0043] The circuit board to be tested is installed in the fixture cavity 18, and the fixture 17 on both sides of the fixture cavity 18 is provided with openings to facilitate processing of the circuit board to be tested. After the circuit board to be tested is placed in the fixture cavity 18, it is clamped by the second clamping plates 23 on both sides, and then the entire fixture 17 is placed in two clamping frames 8, and then the clamping groove 19 on the fixture 17 is clamped by the first clamping plate 11 and the pad 12.

[0044] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implying the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0045] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A circuit board clamping tool, comprising a base (1), a first stand (4) and a second stand (15) being mounted on the base (1) from left to right, a flip motor (3) being mounted on the left side of the first stand (4), a clamping frame (8) being mounted on the right side of the first stand (4) via a first rotating shaft (7), a driving end of the flip motor (3) being connected to the first rotating shaft (7), and a clamping frame (8) being mounted on the left side of the second stand (15) via a second rotating shaft (16); Features: A driving cylinder (2) is installed on the base (1) on the left side of the first vertical frame (4), and the driving cylinder (2) can drive the first vertical frame (4) on the right side to move in the left-right direction; The clamping frame (8) is a rectangular structure with an inner side opening, a first clamping cylinder (9) is installed on the outer side of the top of the clamping frame (8), a driving end at the bottom of the first clamping cylinder (9) is connected to a first clamping plate (11) located on the inner side of the top of the clamping frame (8) through a first clamping rod (10), a pad (12) is installed on the inner side of the bottom of the clamping frame (8) directly below the first clamping plate (11), and a fixture (17) is installed between the first clamping plate (11) and the pad (12); A jig cavity (18) for accommodating a circuit board to be tested is provided on the inner side of the jig (17) along the front-to-back direction, and the circuit board to be tested can be installed in the jig cavity (18) along the front-to-back direction.

2. A circuit board clamping tool as claimed in claim 1, characterized in that: A sliding groove frame (5) distributed along the left-right direction is arranged on the base (1) below the first vertical frame (4), and the bottom of the first vertical frame (4) moves along the left-right direction in the sliding groove frame (5) through a sliding block (6).

3. A circuit board clamping tool as claimed in claim 1, characterized in that: A pad pair insert block (13) distributed along the front-to-back direction is provided at the bottom of the pad (12); a pad pair slot (14) distributed along the front-to-back direction is provided on the inner side of the bottom of the clamping frame (8) directly below the pad pair insert block (13); the pad pair insert block (13) is inserted into the pad pair slot (14) below along the front-to-back direction.

4. A circuit board clamping tool as claimed in claim 1, characterized in that: A clamping groove (19) is provided on the jig (17) directly below the first clamping plate (11) and on the jig (17) directly above the pad (12).

5. A circuit board clamping tool as claimed in claim 1, characterized in that: A avoidance groove (20) is provided on the jig (17) outside the jig cavity (18), a second clamping cylinder (21) is installed in the avoidance groove (20), a driving end inside the second clamping cylinder (21) is connected to a second clamping plate (23) located in the jig cavity (18) via a second clamping rod (22), and the left and right sides of the circuit board to be tested are respectively located between the two second clamping plates (23).

6. A circuit board clamping tool as claimed in claim 5, characterized in that: An elastic contact pad (24) is installed on the inner side of the second clamping plate (23).

7. A circuit board clamping tool as claimed in claim 6, characterized in that: The elastic contact pad (24) is a rubber pad.

8. A circuit board clamping tool as claimed in claim 5, characterized in that: Guide rails (25) distributed along the left-right direction are arranged in the fixture cavity (18) above and below the second clamping plate (23), and the top and bottom of the second clamping plate (23) are connected to the guide rails (25) respectively through sliders (26).

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