Clamping device for circuit board processing

Abstract

The utility model discloses a clamping device for circuit board processing, which comprises a support, a clamping mechanism is fixedly arranged at the top end of the support, the clamping mechanism comprises an air cylinder, the bottom end of the air cylinder is fixedly connected with a piston, the bottom end of the piston is movably connected with a telescopic rod, and the bottom end of the telescopic rod is fixedly connected with a clamping plate. After being started, a motor drives a screw to rotate, due to the fact that the directions of threads at the left end and the right end of the screw are opposite, two movable columns can synchronously move in opposite directions to drive an air cylinder and a clamping plate to move towards the middle or the two sides, the air cylinder controls the clamping plate to move up and down through a piston and a telescopic rod, and clamping force can be buffered through cooperation of a second spring and a fixing plate, so that circuit boards are prevented from being damaged; the clamping range can be flexibly adjusted according to the sizes of the circuit boards through the adjusting function of the fixing studs and the fixing nuts, the circuit boards of different sizes are clamped through the clamping mechanism, abnormal abrasion generated at the interfaces of the circuit boards is reduced, and the reliability of electrical connection and the signal transmission quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board processing technical field, concretely is a kind of clamping device for circuit board processing. BACKGROUND

[0002] Circuit board is also called line board, PCB board, aluminum substrate, high-frequency board, super-thin line board, super-thin circuit board, printed circuit board, etc., and is mainly composed of solder pad, via, mounting hole, wire, component, connector, filling and electrical boundary, and common board layer structure includes single-layer board, double-layer board and multilayer board three kinds, and in the process of circuit board production, a clamping device for circuit board is often needed to clamp the circuit board.

[0003] For example, the announcement number CN108323018B discloses a kind of clamping device for circuit board processing, including support block, the upper surface of support block is provided with recess, recess is placed with support plate in its inside, the bottom surface of support plate is fixedly connected with two symmetrical fixed boxes, the inside of each fixed box is placed with limiting plate, the upper surface of each limiting plate is fixedly connected with spring, the side face of each spring away from limiting plate is fixedly connected with the inner top wall of fixed box.

[0004] The patent can better buffer and shock absorption for support plate and circuit board body, avoid damage to circuit board body when using clamping, but due to the different needs of different application scenarios for circuit board size, using uniform specification clamping device is easy to cause abnormal wear at circuit board interface, and further affect the reliability of electrical connection and signal transmission quality. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of clamping device for circuit board processing, to solve the problem that different application scenarios for circuit board size are different in the above background art, using uniform specification clamping device is easy to cause abnormal wear at circuit board interface, and further affect the reliability of electrical connection and signal transmission quality.

[0006] To solve the above technical problem, the utility model is realized by the following technical scheme:

[0007] The utility model is a kind of clamping device for circuit board processing, including support frame:

[0008] The top of the support frame is fixedly provided with clamping mechanism;

[0009] The clamping mechanism comprises a cylinder, the bottom end of the cylinder is fixedly connected with a piston, the bottom end of the piston is movably connected with a telescopic rod, the bottom end of the telescopic rod is fixedly connected with a clamping plate, the inner cavity of the clamping plate is fixedly connected with spring two, the spring two is symmetrically provided with a plurality of, one end of the spring two is fixedly connected with a fixed plate, the fixed plate is connected through the spring two and the clamping plate, the fixed plate is symmetrically provided with two on the upper and lower, the clamping plate is symmetrically provided with two on the left and right.

[0010] Further, the clamping mechanism further comprises a fixed stud, the fixed stud is movably connected in the inner cavity of the clamping plate, the fixed stud is movably arranged at the corner end of the clamping plate, the top end of the fixed stud is fixedly connected with a fixed nut, the fixed nut is movably arranged on the upper surface of the clamping plate.

[0011] Further, the clamping mechanism further comprises a fixed column three, the fixed column three is fixedly arranged at the top end of the support, the top end of the fixed column three is fixedly connected with a connecting column three, the side end of the connecting column three is fixedly connected with a motor.

[0012] Further, the clamping mechanism further comprises a screw rod, the screw rod is movably connected in the inner cavity of the connecting column three, the left end and the right end of the outer surface of the screw rod are respectively provided with threads, the directions of the left end thread and the right end thread are opposite, the side end of the screw rod is fixedly provided with a moving shaft, the moving shaft is symmetrically provided with two, the two symmetrically arranged moving shafts are fixedly connected in the inner cavity of the connecting column three.

[0013] Further, the clamping mechanism further comprises a moving column, the moving column is movably connected outside the screw rod and the moving shaft, the inner cavity of the moving column is provided with a thread, the thread is engagedly connected with the thread on the outer surface of the screw rod, the moving column is symmetrically provided with two, the bottom end of the moving column is fixedly connected with the cylinder.

[0014] Further, the top end of the support is fixedly connected with a conveying mechanism, the conveying mechanism comprises a fixed column one, the fixed column one is fixedly connected with the top end of the support, the fixed column one is symmetrically provided with two groups, the two groups of symmetrically arranged fixed column one are movably connected with a conveying belt.

[0015] Further, the top end of the conveying mechanism is fixedly connected with a positioning mechanism, the positioning mechanism comprises a fixed column two, the fixed column two is fixedly connected with the top end of the fixed column one, the top end of the fixed column two is fixedly connected with a connecting column one.

[0016] Further, the positioning mechanism further comprises a connecting shaft fixedly connected to the bottom end of the connecting column one, a fixed shaft fixedly connected to the bottom end of the connecting shaft, a spring one fixedly connected to the bottom end of the fixed shaft, a rotating column fixedly connected to the outer side of the spring one, the rotating column being connected through the spring one and the fixed shaft, a connecting column two fixedly connected to the outer surface of the rotating column, and a positioning plate fixedly connected to the end of the connecting column two away from the rotating column.

[0017] The utility model has the following beneficial effects:

[0018] I. The utility model is provided with a clamping mechanism, the motor drives the screw rod to rotate after starting, because the thread directions of the left and right ends of the screw rod are opposite, the two moving columns will synchronously move reversely, drive the cylinder and the clamping plate to move to the middle or both sides, the cylinder controls the up and down movement of the clamping plate through the piston and the telescopic rod, the cooperation of the spring two and the fixed plate can buffer the clamping force, avoid damaging the circuit board, the adjusting function of the fixed stud and the fixed nut can flexibly adjust the clamping range according to the size of the circuit board, different size circuit boards are clamped through the clamping mechanism, abnormal wear at the interface of the circuit board is reduced, and the reliability of electrical connection and signal transmission quality are improved.

[0019] II. Based on the above beneficial effects, a conveying mechanism and a positioning mechanism are further provided, the conveying belt is supported through the fixed column one, and the circuit board is automatically conveyed to the processing position. The spring one and the rotating column of the positioning mechanism allow the positioning plate to be finely adjusted when contacting the circuit board, ensure accurate positioning of the circuit board, the cooperation of the connecting column two and the positioning plate further fixes the position of the circuit board, and prevents deviation during processing. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0021] Figure 1 It is the overall schematic view of the utility model;

[0022] Figure 2 It is the fixed column one connection schematic view of the conveying mechanism of the utility model;

[0023] Figure 3 It is the positioning plate connection schematic view of the positioning mechanism of the utility model;

[0024] Figure 4 It is the fixed column three connection schematic view of the clamping mechanism of the utility model;

[0025] Figure 5The utility model discloses Figure 4 The enlarged connection schematic view at A in the middle.

[0026] In the drawings, the component list represented by each sign is as follows:

[0027] In the drawings: 1, support; 2, conveying mechanism; 21, fixed column one; 22, conveying belt; 3, positioning mechanism; 31, fixed column two; 32, connecting column one; 33, connecting shaft; 34, fixed shaft; 35, spring one; 36, rotating column; 37, connecting column two; 38, positioning plate; 4, clamping mechanism; 41, fixed column three; 42, connecting column three; 43, motor; 44, screw rod; 45, moving shaft; 46, moving column; 47, air cylinder; 48, piston; 49, telescopic rod; 410, clamping plate; 411, spring two; 412, fixed plate; 413, fixed stud; 414, fixed nut. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the scope of protection of the utility model.

[0029] To make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below in conjunction with the drawings.

[0030] Please refer to Figures 1-5 The utility model discloses a clamping device for circuit board processing, including support 1:

[0031] The top of support 1 is fixedly provided with clamping mechanism 4;

[0032] Clamping mechanism 4 includes air cylinder 47, the bottom of air cylinder 47 is fixedly connected with piston 48, the bottom of piston 48 is movably connected with telescopic rod 49, the bottom of telescopic rod 49 is fixedly connected with clamping plate 410, the inner chamber of clamping plate 410 is fixedly connected with spring two 411, a plurality of spring two 411 are symmetrically set up, one end of spring two 411 is fixedly connected with fixed plate 412, fixed plate 412 is connected through spring two 411 and clamping plate 410, and two fixed plate 412 are symmetrically set up on the upper and lower, and two clamping plate 410 are symmetrically set up on the left and right.

[0033] The up and down movement of the clamping plate 410 is realized by driving the piston 48 and the telescopic rod 49 by the air cylinder 47, and the symmetrical design of the spring two 411 and the fixed plate 412 can uniformly disperse the clamping force, avoid the deformation or damage of the circuit board due to excessive local pressure, and adapt to circuit boards of different thicknesses.

[0034] The clamping mechanism 4 further comprises a fixed stud 413 movably connected to the inner cavity of the clamping plate 410, the fixed stud 413 is movably arranged at the corner end of the clamping plate 410, and the top end of the fixed stud 413 is fixedly connected with a fixed nut 414 movably arranged on the upper surface of the clamping plate 410.

[0035] The design of the fixed stud 413 and the fixed nut 414 allows the corner end position of the clamping plate 410 to be adjusted, which facilitates flexible adjustment of the clamping range according to the size of the circuit board, and ensures the stability and adaptability of clamping.

[0036] The clamping mechanism 4 further comprises a fixed column three 41 fixedly arranged at the top end of the support 1, and the top end of the fixed column three 41 is fixedly connected with a connecting column three 42, and the side end of the connecting column three 42 is fixedly connected with a motor 43.

[0037] The motor 43 drives the screw rod 44 to rotate through the connecting column three 42 to provide power for the horizontal movement of the clamping mechanism 4, realizes automatic operation, and improves the processing efficiency.

[0038] The clamping mechanism 4 further comprises a screw rod 44 movably connected to the inner cavity of the connecting column three 42, and the left and right ends of the outer surface of the screw rod 44 are provided with threads, the directions of the left and right threads are opposite, and the side end of the screw rod 44 is fixedly provided with a moving shaft 45, and the moving shaft 45 is symmetrically provided with two, and the two symmetrically arranged moving shafts 45 are fixedly connected to the inner cavity of the connecting column three 42.

[0039] The screw rod 44 is provided with threads in opposite directions at the left and right ends, which cooperates with the design of the moving shaft 45 to realize the synchronous reverse movement of the two moving columns 46, ensures the symmetrical opening and closing of the clamping plate 410, and improves the clamping precision.

[0040] The clamping mechanism 4 further comprises a moving column 46 movably connected to the outer side of the screw rod 44 and the moving shaft 45, and the inner cavity of the moving column 46 is provided with a thread, the thread is engaged and connected with the thread on the outer surface of the screw rod 44, the moving column 46 is symmetrically provided with two, and the bottom end of the moving column 46 is fixedly connected with the air cylinder 47.

[0041] The thread engagement connection between the moving column 46 and the screw rod 44 enables the air cylinder 47 to move smoothly, avoids shaking during clamping, and further ensures the stability and reliability of clamping.

[0042] Working principle: the motor 43 drives the screw rod 44 to rotate. Since the threads on the left and right ends of the screw rod 44 are opposite, the two moving columns 46 will move synchronously and reversely, driving the cylinder 47 and the clamping plate 410 to move to the middle or the sides. The cylinder 47 controls the up and down movement of the clamping plate 410 through the piston 48 and the telescopic rod 49. The cooperation of the second spring 411 and the fixed plate 412 can buffer the clamping force, avoiding damage to the circuit board. The adjustment function of the fixed stud 413 and the fixed nut 414 can flexibly adjust the clamping range according to the size of the circuit board.

[0043] In this step, the clamping mechanism 4 clamps circuit boards of different sizes, reduces abnormal wear at the interface of the circuit board, and improves the reliability of electrical connection and signal transmission quality.

[0044] Please refer to Figures 1-5 The embodiment shown is based on the above embodiment and further includes a conveying mechanism 2.

[0045] The top end of the support 1 is fixedly connected with the conveying mechanism 2. The conveying mechanism 2 includes a fixed column one 21 fixedly connected to the top end of the support 1. The fixed column one 21 is symmetrically provided with two groups. The two groups of symmetrically arranged fixed column ones 21 are movably connected with a conveying belt 22.

[0046] The conveying belt 22 is supported by the fixed column one 21 to realize automatic conveying of the circuit board, reduce manual intervention, and improve production efficiency.

[0047] The top end of the conveying mechanism 2 is fixedly connected with the positioning mechanism 3. The positioning mechanism 3 includes a fixed column two 31 fixedly connected to the top end of the fixed column one 21. The top end of the fixed column two 31 is fixedly connected with a connecting column one 32.

[0048] The fixed column two 31 and the connecting column one 32 provide support for the positioning mechanism 3, ensuring that the positioning plate 38 can accurately position the circuit board and avoiding deviation during processing.

[0049] The positioning mechanism 3 further includes a connecting shaft 33 fixedly connected to the bottom end of the connecting column one 32. The bottom end of the connecting shaft 33 is fixedly connected with a fixed shaft 34. The bottom end of the fixed shaft 34 is fixedly connected with a spring one 35. The outer side of the spring one 35 is fixedly connected with a rotating column 36 connected through the spring one 35 and the fixed shaft 34. The outer surface of the rotating column 36 is fixedly connected with a connecting column two 37. The end of the connecting column two 37 away from the rotating column 36 is fixedly connected with a positioning plate 38.

[0050] The design of the spring one 35 and the rotating column 36 makes the positioning plate 38 have a certain elasticity, which can adapt to the slight positional deviation of the circuit board. At the same time, the cooperation of the connecting column two 37 and the positioning plate 38 ensures that the circuit board maintains a fixed position during processing.

[0051] Working principle: the conveying belt 22 is supported by the fixed column 21, and the circuit board is automatically conveyed to the processing position. The spring 35 and the rotating column 36 of the positioning mechanism 3 allow the positioning plate 38 to be finely adjusted when contacting the circuit board, ensure accurate positioning of the circuit board, and the cooperation of the connecting column 37 and the positioning plate 38 further fixes the position of the circuit board, preventing deviation during processing.

[0052] In the description of the present application, it should be further explained that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0053] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The present application selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their entire scope and equivalents.

Claims

1. A clamping device for circuit board processing, characterized in that, Including support (1): The top end of the support (1) is fixedly provided with a clamping mechanism (4); The clamping mechanism (4) further includes a fixed column three (41), the fixed column three (41) is fixedly arranged at the top end of the support (1), the top end of the fixed column three (41) is fixedly connected with a connecting column three (42), the side end of the connecting column three (42) is fixedly connected with a motor (43).

2. The clamping device for processing a circuit board according to claim 1, wherein: The clamping mechanism (4) further includes a screw rod (44), the screw rod (44) is movably connected in the inner cavity of the connecting column three (42), the outer surface of the screw rod (44) is provided with threads at the left end and the right end, respectively, the directions of the left end thread and the right end thread are opposite, the side end of the screw rod (44) is fixedly provided with a moving shaft (45), the moving shaft (45) is symmetrically arranged, and the two symmetrically arranged moving shafts (45) are fixedly connected in the inner cavity of the connecting column three (42).

3. The clamping device for processing a circuit board according to claim 2, wherein: The clamping mechanism (4) further includes a moving column (46), the moving column (46) is movably connected outside the screw rod (44) and the moving shaft (45), the inner cavity of the moving column (46) is provided with threads, the threads are engagedly connected with the threads on the outer surface of the screw rod (44), the moving column (46) is symmetrically arranged, and the bottom end of the moving column (46) is fixedly connected with the air cylinder (47).

4. The clamping device for processing a circuit board according to claim 3, wherein: The top end of the support (1) is fixedly connected with a conveying mechanism (2), the conveying mechanism (2) includes a fixed column one (21), the fixed column one (21) is fixedly connected with the top end of the support (1), the fixed column one (21) is symmetrically arranged in two groups, and the two groups of symmetrically arranged fixed column one (21) are movably connected with a conveying belt (22).

5. The clamping device for processing a circuit board according to claim 4, wherein: ​ 6. The clamping device for processing a circuit board according to claim 1, wherein: ​ 7. The clamping device for processing a circuit board according to claim 6, wherein: The top end of the conveying mechanism (2) is fixedly connected with a positioning mechanism (3), the positioning mechanism (3) comprises a fixed column two (31), the fixed column two (31) is fixedly connected to the top end of the fixed column one (21), and the top end of the fixed column two (31) is fixedly connected with a connecting column one (32).

8. The clamping device for processing a circuit board according to claim 7, wherein: The positioning mechanism (3) further comprises a connecting shaft (33), the connecting shaft (33) is fixedly connected to the bottom end of the connecting column one (32), the bottom end of the connecting shaft (33) is fixedly connected with a fixed shaft (34), the bottom end of the fixed shaft (34) is fixedly connected with a spring one (35), the outer side of the spring one (35) is fixedly connected with a rotating column (36), the rotating column (36) is connected through the spring one (35) and the fixed shaft (34), the outer surface of the rotating column (36) is fixedly connected with a connecting column two (37), and the end, away from the rotating column (36), of the connecting column two (37) is fixedly connected with a positioning plate (38).

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