CN216411338U

CN216411338U - High-compatibility circuit board jig

Info

Publication number: CN216411338U
Application number: CN202121445764.3U
Authority: CN
Inventors: 马瑞海; 沙晓明
Original assignee: Shenzhen Luyuan Electronic Technology Co ltd
Current assignee: Shenzhen Luyuan Electronic Technology Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-04-29
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a high-compatibility circuit board jig which comprises a jig base, wherein a placing groove is formed in the top of the jig base; the side frames are symmetrically arranged at two sides inside the placing groove; the pressing plates are symmetrically arranged on the two sides of the jig base, which are positioned on the placing groove; under the effect that promotes translation mechanism, adjust the interval between the side frame, thereby the circuit board of different specification and dimension is placed to the better, under adjustment mechanism's effect, adjust the position of clamp plate, thereby can both carry out effectual extrusion spacing effect to the circuit board surface of variation in size, use through telescopic link and third spring cooperation, adjust the height of clamp plate, be applicable to the circuit board of different thickness, according to the rotation mounting means of telescopic link bottom and movable block, can also change two clamp plates to circuit board surface extrusion's direction.

Description

High-compatibility circuit board jig

Technical Field

The utility model relates to the technical field of circuit board jigs, in particular to a highly-compatible circuit board jig.

Background

The PCB tool is the necessary equipment of in-process such as circuit board production, detection, maintenance and welding, wherein when examining the circuit board among the prior art, generally settle the circuit board one by one and connect to detect, detect the back that finishes, also dismantle one by one, operating efficiency is very low. Therefore, a highly compatible circuit board fixture is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide a circuit board fixture with high compatibility, which is convenient to adjust and adapt to circuit boards with various sizes, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the method comprises the following steps:

the jig comprises a jig base, wherein a placing groove is formed in the top of the jig base;

the side frames are symmetrically arranged on two sides inside the placing groove, test terminals and top pin holes are equidistantly arranged on the inner bottom surface of each side frame, and the test terminals are used for being connected with terminal interfaces of the circuit board;

the thimble plate is movably arranged at the bottom of the side frame, and is provided with a thimble, and the thimble is opposite to the thimble hole and used for extruding the terminal interface to separate the terminal interface from the test terminal;

the pressing plates are symmetrically arranged on the two sides of the jig base, located on the placing groove, and are used for extruding the terminal interface to be connected with the test terminal;

the pushing translation mechanisms are arranged at two ends of the jig base and used for adjusting the distance between the two side frames;

and the adjusting mechanism is arranged in the jig base and positioned at the bottom of the pressing plate and used for adjusting the position of the pressing plate.

Preferably, promote translation mechanism including linking board, button and connecting rod, the tool base corresponds the side frame both ends and is equipped with the button on the surface, two be fixed with the connecting rod between the button, the inside vertical groove of having seted up of the position that corresponds the connecting rod of tool base, and the connecting rod passes through vertical groove and the inside sliding connection of tool base, the both ends that the tool base was worn out to the connecting rod are all the symmetry rotation on the surface and are connected with two and link the board, two link the board and rotate with the side frame one end that corresponds and be connected.

Preferably, promote translation mechanism still includes the fixed plate, removes frame, second spring and sliding sleeve, the connecting rod is located the button and is fixed with the sliding sleeve on the surface between the board even, and sliding sleeve outer lane sliding connection has the removal frame, the one side that removes the frame and is close to the tool base is fixed with the fixed plate, and fixed plate and tool base outer wall fixed connection, be fixed with three second spring between removal frame top inner wall and the sliding sleeve top.

Preferably, two sliding grooves are symmetrically formed in the surface of the placing groove, sliding blocks are fixed at positions, corresponding to the sliding grooves, of the side frames, and the sliding blocks are connected with the sliding grooves in a sliding mode.

Preferably, three first springs are fixed on the inner walls of the two sides of the placing groove at equal intervals, and the other ends of the first springs are fixedly connected with the outer walls of the corresponding side frames.

Preferably, the adjusting mechanism comprises a rotating button, a moving groove, a threaded rod and a moving block, the moving groove is formed in the surface of the jig base located on the two sides of the placing groove, the threaded rod is rotatably installed in the moving groove, one end of the threaded rod penetrates out of the moving groove and is fixed with the rotating button, the moving block is sleeved on the surface of the threaded rod in a meshed mode, and the moving block is connected with the moving groove in a sliding mode.

Preferably, a telescopic rod is fixedly mounted at the top of the moving block, the top of the telescopic rod is fixedly connected with the bottom of the pressing plate, a third spring is sleeved on the outer ring of the telescopic rod, and two ends of the third spring are fixedly connected with the pressing plate and the moving block respectively.

Preferably, a limiting plate is fixed to one side, away from the telescopic rod, of the bottom of the pressure plate.

Preferably, both ends of the ejector plate are connected with the side frames through elastic pieces.

Preferably, the limiting plate is made of plastic.

Compared with the prior art, the utility model has the beneficial effects that:

1. under the effect that promotes translation mechanism, when the button is downward or the rebound, the sliding sleeve receives limiting displacement and slides along removing the frame, and tensile or compression second spring simultaneously is taken off and is placed when the inside circuit board of side frame, receives the effect of second spring elasticity, and the button is adjusted with the interval between the side frame with the position automatic re-setting of even board and even board to better place different specification and dimension's circuit board.

2. Under adjustment mechanism's effect, the turn-button drives the threaded rod and rotates, and the movable block slides along the shifting chute simultaneously with the threaded rod meshing to drive the clamp plate and do the ascending removal of horizontal direction along the shifting chute, change the position of clamp plate apart from the circuit board, thereby it is spacing to be applicable to the extrusion on equidimension circuit board surface not, adjusts the position of clamp plate, thereby can both carry out effectual extrusion spacing effect to the circuit board surface of variation in size.

3. The telescopic rod and the third spring are matched for use, the height of the pressing plate is adjusted, the pressing plate is suitable for circuit boards with different thicknesses, and the direction of the surface extrusion of the two pressing plates on the circuit boards can be changed according to the rotating installation mode of the bottom of the telescopic rod and the moving block.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection between the side frame and the jig base according to the present invention;

FIG. 3 is a schematic structural diagram of a pushing translation mechanism according to the present invention;

FIG. 4 is a schematic view of a portion of the push translation mechanism of the present invention;

FIG. 5 is a second schematic view of a portion of the pushing and translating mechanism of the present invention;

FIG. 6 is a schematic view of an adjustment mechanism of the present invention;

FIG. 7 is a schematic view of the connection of the pressure plate and the adjustment mechanism of the present invention;

FIG. 8 is a schematic view of a circuit board and a frame plate according to the present invention;

fig. 9 is a schematic view of the cooperation of the ejector plate and the side frame of the present invention.

In the figure: 1. a jig base; 11. a placement groove; 12. a chute; 13. a first spring; 14. a vertical groove; 2. a side frame; 21. a test terminal; 22. a slider; 23. a thimble hole; 3. pushing the translation mechanism; 31. A fixing plate; 32. connecting plates; 33. moving the frame; 34. a button; 35. a second spring; 36. a connecting rod; 37. A sliding sleeve; 4. pressing a plate; 41. a limiting plate; 42. a telescopic rod; 43. a third spring; 5. an adjustment mechanism; 51. turning a button; 52. a moving groove; 53. a threaded rod; 54. a moving block; 6. a circuit board; 61. a terminal interface; 7. a frame plate; 8. an ejector plate; 81. a thimble; 82. an elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a highly compatible circuit board fixture, which includes a fixture base 1, a side frame 2, an ejector plate 8, a pressing plate 4, a pushing and translating mechanism 3, and an adjusting mechanism 5.

The jig base 1 has a top opening with a placement groove 11, which is the same as the existing PCB jig base 1, for fixing the circuit board 6, wherein as shown in fig. 8, the plurality of circuit boards 6 in this embodiment are positioned and loaded in the frame plate 7.

The side frame 2 is symmetrically arranged on two sides inside the placing groove 11, the testing terminals 21 and the top pin holes 23 are equidistantly installed on the bottom surface in the side frame 2, and the testing terminals 21 are used for being connected with terminal interfaces 61 of the circuit board 6 and used for placing and clamping two sides of the frame plate 7, so that the frame plate 7 is limited to a certain extent.

Referring to fig. 9, the ejector plate 8 is movably disposed at the bottom of the side frame 2, two ends of the ejector plate 8 are connected to the side frame 2 through elastic members 82, an ejector pin 81 is disposed on the ejector plate 8, the ejector pin 81 is opposite to the ejector pin hole 23 for extruding the terminal interface 61 to separate from the test terminal 21, the elastic members 82 enable the ejector pin 81 to keep away from the terminal interface 61, and when the elastic members 82 are under external force, the elastic members 82 are compressed to extrude the terminal interface 61 to connect with the test terminal 21.

The clamp plate 4 is symmetrically arranged on two sides of the jig base 1, which are located on the placing groove 11, and presses and holds the circuit board 6 on the surface, so that the terminal interface 61 is extruded to be connected with the test terminal 21, and the side frame 2 is matched to further limit the circuit board 6, so that the circuit board 6 is prevented from being misplaced due to movement.

Promote translation mechanism 3 and install at tool base 1 both ends for adjust the interval between two side frames 2, under the effect that promotes translation mechanism 3, adjust the interval between side frame 2, thereby better place different specification and dimension's circuit board 6.

Adjusting mechanism 5 installs in the inside that tool base 1 is located clamp plate 4 bottom for adjusting clamp plate 4's position, under adjusting mechanism 5's effect, adjust clamp plate 4's position, thereby can both carry out the spacing effect of effectual extrusion to 6 surfaces of circuit board of variation in size.

Referring to fig. 3, 4 and 5, the pushing and translating mechanism 3 includes connecting plates 32, buttons 34 and connecting rods 36, the surface of the jig base 1 corresponding to the two ends of the side frames 2 is provided with the buttons 34, a connecting rod 36 is fixed between the two buttons 34, the jig base 1 is internally provided with vertical grooves 14 corresponding to the positions of the connecting rods 36, the connecting rods 36 are slidably connected with the inside of the jig base 1 through the vertical grooves 14, the two connecting plates 32 are symmetrically and rotatably connected to the two ends of the connecting rods 36 penetrating through the jig base 1, the two connecting plates 32 are rotatably connected with the corresponding ends of the side frames 2, the buttons 34 are pressed, the buttons 34 drive the connecting rods 36 to move downwards along the vertical grooves 14, and simultaneously drive the two connecting plates 32 to rotate and pull the two side frames 2 together, so as to reduce the distance between the two side frames 2, otherwise, the buttons 34 are pushed upwards to increase the distance between the two side frames 2, better to place circuit boards 6 of different sizes.

Referring to fig. 3, 4 and 5, the pushing translation mechanism 3 further includes a fixed plate 31, a movable frame 33, a second spring 35 and a sliding sleeve 37, the surface of the connecting rod 36 between the button 34 and the connecting plate 32 is fixed with a sliding sleeve 37, and the outer ring of the sliding sleeve 37 is connected with a moving frame 33 in a sliding way, one side of the moving frame 33 close to the jig base 1 is fixed with a fixed plate 31, the fixed plate 31 is fixedly connected with the outer wall of the jig base 1, three second springs 35 are fixed between the inner wall of the top of the movable frame 33 and the top of the sliding sleeve 37, when the button 34 is moved downward or upward, the sliding sleeve 37 is restricted by sliding along the moving frame 33, and at the same time, the second spring 35 is stretched or compressed, when the circuit board 6 placed inside the side frame 2 is removed, the position of the button 34 and the link plate 32 is automatically reset by the elastic force of the second spring 35.

Referring to fig. 2, two sliding grooves 12 are symmetrically formed in the surface of the placing groove 11, a sliding block 22 is fixed at a position of the side frame 2 corresponding to the sliding grooves 12, the sliding block 22 is slidably connected with the sliding grooves 12, and in the process that the connecting plate 32 drives the side frames 2 to move close to or away from each other, the sliding block 22 at the bottom of the side frame 2 slides along the sliding grooves 12, so that the moving process is smoother.

Referring to fig. 2, three first springs 13 are fixed on the inner walls of the two sides of the placement groove 11 at equal intervals, and the other ends of the first springs 13 are fixedly connected with the outer walls of the corresponding side frames 2, so that the side frames 2, the connecting plate 32, the buttons 34 and the connecting plate 32 are all restored to initial positions under the simultaneous action of the first springs 13 and the second springs 35 in the process of restoring the buttons 34.

Referring to fig. 6, the adjusting mechanism 5 includes a rotating button 51, a moving groove 52, a threaded rod 53 and a moving block 54, the moving groove 52 is formed on the surface of the jig base 1 on both sides of the placing groove 11, the threaded rod 53 is rotatably installed on the moving groove 52, the rotating button 51 is fixed to one end of the threaded rod 53 penetrating through the moving groove 52, the moving block 54 is engaged and sleeved on the surface of the threaded rod 53, the moving block 54 is slidably connected with the moving groove 52, the rotating button 51 is rotated, the threaded rod 53 is driven by the rotating button 51 to rotate, the moving block 54 is engaged with the threaded rod 53 and slides along the moving groove 52, so that the pressing plate 4 is driven to move in the horizontal direction along the moving groove 52, the position of the pressing plate 4 from the circuit board 6 is changed, and the pressing limiting device is suitable for pressing and limiting the surfaces of circuit boards 6 with different sizes.

Referring to fig. 7, the top of the moving block 54 is fixedly provided with an expansion link 42, the top of the expansion link 42 is fixedly connected with the bottom of the pressing plate 4, the outer ring of the expansion link 42 is sleeved with a third spring 43, two ends of the third spring 43 are respectively fixedly connected with the pressing plate 4 and the moving block 54, and the expansion link 42 and the third spring 43 are used in cooperation to adjust the height of the pressing plate 4, so that the movable clamp is suitable for circuit boards 6 with different thicknesses.

Referring to fig. 7, a limiting plate 41 is fixed to a side of the bottom of the pressing plate 4 away from the telescopic rod 42, the limiting plate 41 directly contacts and extrudes and limits the surface of the terminal interface 61 of the circuit board 6, and the circuit board 6 is fixed by matching with the side frame 2.

Referring to fig. 2 and 8, the placing surface of the side frame 2 is equidistantly provided with the test terminals 21, the test terminals 21 are connected with the terminal interfaces 61 of the circuit board 6, and the test terminals 21 are connected with the terminal interfaces 61 of the circuit board 6 to test the circuit board 6 conveniently.

The limiting plate 41 is made of plastic, can better extrude the terminal interface 61 and the test terminal 21, and can effectively prevent the circuit board 6 from being damaged.

The working principle is as follows: pressing button 34, button 34 drives connecting rod 36 and moves down along vertical groove 14, drives two even boards 32 simultaneously and rotates and stimulate two side frames 2 simultaneously and draw close to reduce the interval between two side frames 2, otherwise upwards promote button 34, then increase the interval of two side frames 2, the better framed bent 7 of placing different dimensions, framed bent 7 corresponds the circuit board 6 that can settle different dimensions, lift clamp plate 4 slightly and then place framed bent 7 between two side frames 2.

When the pressing plate 4 needs to be adjusted, the rotating button 51 is rotated, the rotating button 51 drives the threaded rod 53 to rotate, the moving block 54 is meshed with the threaded rod 53 and slides along the moving groove 52 at the same time, so that the pressing plate 4 is driven to move in the horizontal direction along the moving groove 52, the position of the pressing plate 4 away from the circuit board 6 is changed, the pressing plate is suitable for extruding and limiting the terminal interfaces 61 of the circuit boards 6 with different sizes, the height of the pressing plate 4 is adjusted through the cooperation of the telescopic rod 42 and the third spring 43, and the pressing plate is suitable for the circuit boards 6 with different thicknesses;

in addition, after the test is finished, external force can be applied to the ejector pin plate 8, so that the ejector pins 81 can jack up the frame plate 7, the terminal interfaces 61 of the circuit boards 6 are disconnected from the corresponding test terminals 21, and the operation efficiency is very high.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. High compatible circuit board tool, its characterized in that includes:

the jig comprises a jig base (1), wherein a placing groove (11) is formed in the top of the jig base (1);

the side frames (2) are symmetrically arranged on two sides inside the placing groove (11), the inner bottom surface of each side frame (2) is provided with a test terminal (21) and a top pin hole (23) at equal intervals, and each test terminal (21) is used for being connected with a terminal interface (61) of the circuit board (6);

the ejector pin plate (8) is movably arranged at the bottom of the side frame (2), an ejector pin (81) is arranged on the ejector pin plate (8), and the ejector pin (81) is opposite to the ejector pin hole (23) and used for extruding the terminal interface (61) to enable the terminal interface to be disconnected with the test terminal (21);

the pressing plates (4) are symmetrically arranged on two sides, located on the placing groove (11), of the jig base (1) and used for extruding the terminal interface (61) to be connected with the test terminal (21);

the pushing translation mechanisms (3) are arranged at two ends of the jig base (1) and are used for adjusting the distance between the two side frames (2);

and the adjusting mechanism (5) is arranged in the jig base (1) and positioned at the bottom of the pressing plate (4) and used for adjusting the position of the pressing plate (4).

2. The highly compatible circuit board fixture of claim 1, wherein: promote translation mechanism (3) including linking board (32), button (34) and connecting rod (36), tool base (1) corresponds the surperficial button (34) that is equipped with at side frame (2) both ends, two be fixed with connecting rod (36) between button (34), vertical groove (14) have been seted up to the inside position that corresponds connecting rod (36) of tool base (1), and connecting rod (36) are through vertical groove (14) and the inside sliding connection of tool base (1), the both ends that tool base (1) was worn out in connecting rod (36) are equal symmetrical rotation on the surface and are connected with two and link board (32), two link board (32) and the side frame (2) one end rotation connection that corresponds.

3. The highly compatible circuit board fixture of claim 2, wherein: promote translation mechanism (3) and still include fixed plate (31), remove frame (33), second spring (35) and sliding sleeve (37), connecting rod (36) are located and are fixed with sliding sleeve (37) on the surface between button (34) and even board (32), and sliding sleeve (37) outer lane sliding connection has and removes frame (33), it is fixed with fixed plate (31) to remove one side that frame (33) are close to tool base (1), and fixed plate (31) and tool base (1) outer wall fixed connection, it is fixed with three second spring (35) to remove between frame (33) top inner wall and sliding sleeve (37) top.

4. The highly compatible circuit board fixture of claim 1, wherein: two sliding grooves (12) are symmetrically formed in the surface of the placing groove (11), sliding blocks (22) are fixed at positions, corresponding to the sliding grooves (12), of the side frames (2), and the sliding blocks (22) are connected with the sliding grooves (12) in a sliding mode.

5. The highly compatible circuit board fixture of claim 1, wherein: the equal equidistance of standing groove (11) both sides inner wall is fixed with three first spring (13), and the other end of first spring (13) and the side frame (2) outer wall fixed connection that corresponds.

6. The highly compatible circuit board fixture of claim 1, wherein: adjustment mechanism (5) have seted up shifting chute (52) including turn button (51), shifting chute (52), threaded rod (53) and movable block (54), jig base (1) is located shifting chute (11) both sides on the surface, shifting chute (52) are rotated and are installed threaded rod (53), and threaded rod (53) one end is worn out shifting chute (52) and is fixed with turn button (51), threaded rod (53) meshing has cup jointed movable block (54) on the surface, and movable block (54) and shifting chute (52) sliding connection.

7. The highly compatible circuit board fixture of claim 6, wherein: the top of the moving block (54) is fixedly provided with a telescopic rod (42), the top of the telescopic rod (42) is fixedly connected with the bottom of the pressing plate (4), the outer ring of the telescopic rod (42) is sleeved with a third spring (43), and two ends of the third spring (43) are fixedly connected with the pressing plate (4) and the moving block (54) respectively.

8. The highly compatible circuit board fixture of claim 7, wherein: and a limiting plate (41) is fixed on one side of the bottom of the pressing plate (4) far away from the telescopic rod (42).

9. The highly compatible circuit board fixture of claim 1, wherein: the two ends of the ejector plate (8) are connected with the side frames (2) through elastic pieces (82).

10. The highly compatible circuit board fixture of claim 8, wherein: the limiting plate (41) is made of plastic.