SMT electronic assembling device for circuit board processing

Abstract

The utility model discloses an SMT electronic installation device for circuit board processing, and relates to the technical field of electronic installation, the SMT electronic installation device for circuit board processing comprises a transport frame, the top of the transport frame is connected with a solder paste printer, and a clamping mechanism is arranged in the transport frame. When the circuit board needs to be fixed, the circuit board can be placed at the central point of a placing plate, then a worm I is rotated, meanwhile, a rotating shaft drives a gear to rotate, then the gear drives racks on the two sides to be close to each other in the direction of the gear, and then the racks drive clamping blocks and arc-shaped clamping plates on the two sides to be close to the two sides of the circuit board; at the moment, arc-shaped clamping plates on the two sides get close to the two sides of the circuit board, along with rotation of a first worm, the arc-shaped clamping plates are squeezed, then telescopic springs on the two sides are compressed, and after clamping pressure reaches a preset value, the telescopic springs can provide proper counter-acting force.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electronic assembly technology field especially relates to a SMT electronic assembly device for circuit board processing. BACKGROUND

[0002] The name of circuit board has: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high frequency board, thick copper plate, impedance board, PCB, super thin circuit board, super thin circuit board, printing (copper etching technology) circuit board etc.

[0003] In the process of electronic assembly of circuit board, the circuit board is usually fixed on the surface of the transport device, because the corner of the circuit board is relatively fragile, in the fixing process, the corner may be unevenly stressed or the pressure is too large, resulting in cracking or damage of the circuit board, therefore, we provide a SMT electronic assembly device for circuit board processing. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of SMT electronic assembly devices for circuit board processing, by rotating worm one drives two sides arc clamping plate to clamping circuit board, while telescopic spring will be evenly clamped on both sides of circuit board, solve the problem that corner may be unevenly stressed or the pressure is too large when fixing.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a kind of SMT electronic assembly devices for circuit board processing, including transport frame, the top of transport frame is connected with tin paste printing machine, the inside of transport frame is provided with clamping mechanism, the inside of transport frame is provided with mobile cleaning mechanism;

[0007] The clamping mechanism includes sliding plate, the outer surface of sliding plate is slidably connected with the inner wall of transport frame, the inner wall of sliding plate is rotatably connected with rotating shaft, the outer surface of rotating shaft is connected with worm one, the inner wall of sliding plate is rotatably connected with worm one, the outer surface of rotating shaft is connected with gear, the inner wall of sliding plate is slidably connected with rack, the top of rack is connected with clamping block, the top of sliding plate is connected with placing plate, the inside of placing plate is provided with limiting slot, the outer wall of clamping block is connected with telescopic spring, the outer wall of clamping block is connected with telescopic rod, the outer wall of telescopic rod is connected with arc clamping plate away from clamping block.

[0008] Further, worm one is engaged with worm one, rack is engaged with gear, limiting slot is slidably connected with the outer surface of clamping block, the outer wall of telescopic spring is connected with the inner wall of arc clamping plate away from clamping block.

[0009] Further, the mobile cleaning mechanism comprises a threaded rod, and an outer surface of the threaded rod is rotationally connected with an inner wall of the conveying frame.

[0010] Further, an outer surface of the threaded rod is threadedly connected with an inner wall of the sliding plate, the inner wall of the conveying frame is connected with a limiting rod, and an outer surface of the limiting rod is slidingly connected with the inner wall of the sliding plate.

[0011] Further, an outer surface of the threaded rod is connected with a worm gear II, the inner wall of the conveying frame is rotationally connected with a worm II, the worm II is engaged with the worm gear II, and an outer surface of the worm II is connected with a belt pulley I.

[0012] Further, an outer surface of the belt pulley I is drivingly connected with a belt, an inner wall of the belt, away from the belt pulley I, is movably connected with a belt pulley II, and an inner wall of the belt pulley II is connected with a rotating shaft.

[0013] Further, an outer wall of the conveying frame is connected with a motor, a bottom output end of the motor is connected with the rotating shaft through a shaft coupling, and a top of the conveying frame is connected with a fixing block.

[0014] Further, an inner wall of the fixing block is rotationally connected with an outer surface of the rotating shaft, and the outer surface of the rotating shaft is connected with a brush wheel.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] 1. The utility model discloses a circuit board fixing device, which comprises a conveying frame, a worm I, a gear, a rack, a clamping block, an arc-shaped clamping plate, a circuit board, a placing plate, a worm gear II, a belt pulley I, a belt, a belt pulley II, a rotating shaft, a motor, a fixing block and a brush wheel.

[0017] 2, the utility model discloses a brush wheel is set up, then can transport circuit board to the tin printing machine and processes, at this moment can start motor, then motor will drive rotating shaft and rotate, simultaneously rotating shaft will drive the surface of pulley no. 2 and rotate, then pulley no. 2 will drive the surface of belt and rotate, and then drive worm no. 2 and rotate, at this moment worm no. 2 will drive worm wheel no. 2 and rotate, and then drive threaded rod and rotate, then threaded rod will drive the surface of sliding plate and its top circuit board and move towards the direction of tin printing machine, simultaneously, sliding plate will also slide on the surface of limiting rod in the process of moving, rotating shaft rotates simultaneously and also drive the surface of brush wheel and rotate, when circuit board passes through brush wheel, at this moment, brush wheel will clean the surface and remove surface impurities, ensure that circuit board surface is clean, avoid producing bad in the tin printing process, improve production efficiency and product quality.

[0018] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the section structure schematic diagram of the utility model transport frame;

[0022] Figure 3 It is the structure schematic diagram of the utility model placing plate;

[0023] Figure 4 It is the structure schematic diagram of the utility model gear;

[0024] Figure 5 It is the worm wheel one structure schematic diagram of the utility model and looks up;

[0025] Figure 6 It is the structure schematic diagram of the utility model brush wheel.

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

[0027] 1, clamping mechanism, 101, sliding plate, 102, worm one, 103, placement plate, 104, limiting groove, 105, clamping block, 106, extension spring, 107, extension rod, 108, arc clamping plate, 109, rack, 110, gear, 111, rotating shaft, 112, worm one, 2, moving cleaning mechanism, 201, worm two, 202, worm two, 203, threaded rod, 204, limiting rod, 205, pulley one, 206, belt, 207, pulley two, 208, motor, 209, fixed block, 210, brush wheel, 211, rotating shaft, 3, transport frame, 4, tin printing machine. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0029] Please refer to Figures 1-6 The utility model discloses a kind of SMT electronic assembly and connection devices for circuit board processing, including transport frame 3, transport frame 3 top is connected with tin printing machine 4, transport frame 3 inside is provided with clamping mechanism 1, transport frame 3 inside is provided with moving cleaning mechanism 2;

[0030] The clamping mechanism 1 comprises a sliding plate 101, the outer surface of the sliding plate 101 is in sliding connection with the inner wall of the conveying frame 3, the inner wall of the sliding plate 101 is rotatably connected with a rotating shaft 111, the outer surface of the rotating shaft 111 is connected with a worm gear one 112, the inner wall of the sliding plate 101 is rotatably connected with a worm one 102, the worm gear one 112 can be driven to rotate by rotating the worm one 102, then the worm gear one 112 will drive the internal rotating shaft 111 to rotate, at the same time the rotating shaft 111 will drive the top gear 110 to rotate and drive the two side racks 109 to move towards each other in the direction of the gear 110, then the two side clamping blocks 105 will firmly clamp the two sides of the circuit board, effectively prevent the circuit board from moving or loosening in the subsequent assembly process, ensure the machining precision and operation safety, the outer surface of the rotating shaft 111 is connected with the gear 110, the inner wall of the sliding plate 101 is in sliding connection with the rack 109, the top of the rack 109 is connected with the clamping block 105, the top of the sliding plate 101 is connected with the placing plate 103, the inside of the placing plate 103 is provided with a limiting groove 104, the outer wall of the clamping block 105 is connected with the extension spring 106, when clamping the circuit board, the extension spring 106 on both sides will be contracted, then after the clamping pressure reaches the predetermined value, the appropriate reaction force is provided, ensure that the circuit board always remains stable during assembly, avoid damage to the circuit board due to excessive clamping, at the same time improve the uniformity and safety of clamping, the outer wall of the clamping block 105 is connected with the extension rod 107, the extension spring 106 can be limited by the extension rod 107, so that it moves linearly, so that the force during clamping is more uniform, the outer wall of the extension rod 107 away from the clamping block 105 is connected with the arc clamping plate 108, the arc clamping plate 108 can better fit the two sides of the circuit board, the worm one 102 is engaged with the worm gear one 112, the rack 109 is engaged with the gear 110, the limiting groove 104 is in sliding connection with the outer surface of the clamping block 105, the outer wall of the extension spring 106 away from the clamping block 105 is connected with the inner wall of the arc clamping plate 108, the moving cleaning mechanism 2 comprises a threaded rod 203, the outer surface of the threaded rod 203 is rotatably connected with the inner wall of the conveying frame 3.

[0031] The outer surface of the threaded rod 203 is in threaded connection with the inner wall of the sliding plate 101, and the threaded rod 203 can drive the sliding plate 101 to move by rotating, thereby driving the circuit board at the top to be conveyed. The inner wall of the conveying frame 3 is connected with a limiting rod 204, which can limit the sliding plate 101 when it is driven to move by the threaded rod 203, thereby improving the stability of the equipment. The outer surface of the limiting rod 204 is in sliding connection with the inner wall of the sliding plate 101. The outer surface of the threaded rod 203 is connected with a worm gear two 202. The inner wall of the conveying frame 3 is rotatably connected with a worm two 201. The worm gear two 202 can be driven to rotate by rotating the worm two 201, thereby driving the threaded rod 203 to rotate. The worm two 201 is in engagement with the worm gear two 202. The outer surface of the worm two 201 is connected with a belt pulley one 205. The outer surface of the belt pulley one 205 is drivingly connected with a belt 206. The belt 206 can drive the worm two 201 to rotate when the rotating shaft 211 rotates, thereby making the threaded rod 203 rotate. The inner wall of the belt 206 away from the belt pulley one 205 is movably connected with a belt pulley two 207. The inner wall of the belt pulley two 207 is connected with a rotating shaft 211.

[0032] The outer wall of the conveying frame 3 is connected with a motor 208, which can drive the rotating shaft 211 to rotate, and then the rotating shaft 211 will drive the surface brush wheel 210 to rotate. The rotating shaft 211 rotates at the same time, which also drives the circuit board to move. When the circuit board contacts the brush wheel 210, the brush wheel 210 will clean the surface of the circuit board at this time, remove dust and impurities, and ensure that the surface of the circuit board is clean and dust-free, providing a clean environment for subsequent operation and assembly, avoiding affecting the performance and reliability of the circuit board. The bottom output end of the motor 208 is connected with the rotating shaft 211 through a shaft coupling. The top of the conveying frame 3 is connected with a fixed block 209. The inner wall of the fixed block 209 is rotatably connected with the outer surface of the rotating shaft 211. The outer surface of the rotating shaft 211 is connected with a brush wheel 210.

[0033] One specific application of the embodiment is:

[0034] When it is necessary to fix the circuit board before assembling, the circuit board can be placed at the center of the placing plate 103, and then the worm 102 is rotated, and then the worm 102 drives the worm gear 112 to rotate, and then the worm gear 112 drives the rotating shaft 111 inside to rotate, and at the same time the rotating shaft 111 drives the gear 110 to rotate, and then the gear 110 drives the two racks 109 on both sides to move towards the gear 110, and then the racks 109 drive the clamping blocks 105 and the arc-shaped clamping plates 108 on both sides to move towards the two sides of the circuit board, at this time the arc-shaped clamping plates 108 on both sides move towards the two sides of the circuit board, and with the rotation of the worm 102, the arc-shaped clamping plates 108 are squeezed, and then the two telescopic springs 106 are compressed, and at the same time the telescopic rods 107 are responsible for limiting, and then when the clamping pressure reaches the predetermined value, the telescopic springs 106 provide appropriate counterforce to ensure that the position of the circuit board does not deviate during the fixing process, and the clamping force is uniform, avoiding any deformation or damage to the circuit board;

[0035] Then the circuit board can be transported to the solder paste printing machine 4 for processing, at this time the motor 208 can be started, and then the motor 208 drives the rotating shaft 211 to rotate, and at the same time the rotating shaft 211 drives the belt pulley 207 on its surface to rotate, and then the belt pulley 207 drives the belt 206 on its surface to rotate, and then the belt 206 drives the belt pulley 205 to rotate, and then the belt pulley 205 drives the worm 201 to rotate, at this time the worm 201 drives the worm gear 202 to rotate, and then the threaded rod 203 is driven to rotate, and then the threaded rod 203 drives the sliding plate 101 on its surface and the circuit board on its top to move towards the solder paste printing machine 4, and at the same time the sliding plate 101 slides on the surface of the limiting rod 204 during the movement, and at the same time the rotating shaft 211 drives the brush wheel 210 on its surface to rotate, and when the circuit board passes through the brush wheel 210, the brush wheel 210 cleans the surface of the circuit board to remove the surface impurities, ensuring that the surface of the circuit board is clean, avoiding the production of defects in the solder paste printing process, and improving the production efficiency and product quality.

[0036] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. An SMT electronic assembly device for processing a circuit board, comprising a transport frame (3), characterized in that: The tin paste printing machine (4) is connected to the top of the conveying frame (3), the conveying frame (3) is internally provided with a clamping mechanism (1), and the conveying frame (3) is internally provided with a movable cleaning mechanism (2). The clamping mechanism (1) comprises a sliding plate (101), the outer surface of the sliding plate (101) is in sliding connection with the inner wall of the conveying frame (3), the inner wall of the sliding plate (101) is rotatably connected with a rotating shaft (111), the outer surface of the rotating shaft (111) is connected with a worm gear I (112), the inner wall of the sliding plate (101) is rotatably connected with a worm (102), the outer surface of the rotating shaft (111) is connected with a gear (110), the inner wall of the sliding plate (101) is slidably connected with a gear rack (109), the top of the gear rack (109) is connected with a clamping block (105), the top of the sliding plate (101) is connected with a placing plate (103), the inner part of the placing plate (103) is provided with a limiting groove (104), the outer wall of the clamping block (105) is connected with a telescopic spring (106), the outer wall of the clamping block (105) is connected with a telescopic rod (107), and the outer wall of the telescopic rod (107) is connected with an arc-shaped clamping plate (108) away from the clamping block (105).

2. The SMT electronic component mounting device for processing a circuit board according to claim 1, wherein The worm (102) is engaged with the worm gear I (112), the gear rack (109) is engaged with the gear (110), the limiting groove (104) is in sliding connection with the outer surface of the clamping block (105), and the outer wall of the telescopic spring (106) is connected with the inner wall of the arc-shaped clamping plate (108) away from the clamping block (105).

3. The SMT electronic component mounting device for processing a circuit board according to claim 1, wherein The movable cleaning mechanism (2) comprises a threaded rod (203), and the outer surface of the threaded rod (203) is rotatably connected with the inner wall of the conveying frame (3).

4. The SMT electronic component mounting device for processing a circuit board according to claim 3, wherein The outer surface of the threaded rod (203) is in threaded connection with the inner wall of the sliding plate (101), and the inner wall of the conveying frame (3) is connected with a limiting rod (204).

5. The SMT electronic component mounting device for processing a circuit board according to claim 4, wherein The outer surface of the threaded rod (203) is connected with a worm gear II (202), the inner wall of the conveying frame (3) is rotatably connected with a worm II (201), the worm II (201) is engaged with the worm gear II (202), and the outer surface of the worm II (201) is connected with a belt pulley I (205).

6. The SMT electronic component mounting device for processing a circuit board according to claim 5, wherein The outer surface of the belt pulley I (205) is drivingly connected with a belt (206), one end of the inner wall of the belt (206) away from the belt pulley I (205) is movably connected with a belt pulley II (207), and the inner wall of the belt pulley II (207) is connected with a rotating shaft (211).

7. The SMT electronic component mounting device for processing a circuit board according to claim 6, wherein The outer wall of the conveying frame (3) is connected with a motor (208), the bottom output end of the motor (208) is connected with the rotating shaft (211) through a shaft coupling, and the top of the conveying frame (3) is connected with a fixed block (209).

8. The SMT electronic component mounting device for processing a circuit board according to Claim 7, wherein The inner wall of the fixed block (209) is rotatably connected with the outer surface of the rotating shaft (211), and the outer surface of the rotating shaft (211) is connected with a brush wheel (210).

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