A pressing device for circuit board printing

Abstract

The utility model discloses a pressing device for circuit board printing, which belongs to the technical field of circuit board production. It includes a workbench, a plurality of supporting legs are arranged on the lower side of the workbench, a top plate is arranged on the upper side of the workbench, a hydraulic rod is arranged at the middle position of the lower end of the top plate, a bottom plate is arranged at the output end of the hydraulic rod, a pressure sensor is arranged at the lower end of the bottom plate, a pressing plate is arranged on the lower side of the bottom plate, the pressing plate and the bottom plate are connected by a plurality of springs, and push plates are arranged on both sides of the upper side of the workbench. The utility model arranges a buffer component, and when the connecting rod moves to drive the push plate to move to clamp the circuit board, when the push plate contacts the circuit board, the sliding bar at one end of the push plate pushes the slide plate to slide in the fixed cylinder, and the slide plate compresses spring 2, and the elasticity of the spring 2 is used to make the push plate press against the circuit board, so as to clamp and fix the circuit board, and the buffer component can be arranged to provide buffer protection for the push plate clamping the circuit board, so as to avoid the two push plates from causing clamping damage to the circuit board.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board production, and in particular relates to a pressing device for circuit board printing. 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 miniaturize and visualize circuits, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layouts.

[0003] Chinese patent application No. 2022202026519 discloses a laminating device for processing multi-layer circuit boards, including a processing table, a top plate and a pressing plate, the top of the processing table is fixedly welded with four support columns, the top of the support column is fixedly welded with a top plate, the side of the processing table is fixedly installed with a control console by bolts, the bottom of the top plate is fixedly welded with a hydraulic rod, the bottom of the hydraulic rod is fixedly welded with a bottom plate, the middle position of the bottom of the bottom of the bottom plate is fixedly installed with a pressure sensor, the bottom of the bottom plate is provided with four connecting grooves distributed in a rectangular array, and a spring is fixedly welded in the connecting groove, and the bottom of the spring is fixedly welded with a pressing plate; the top of the processing table is fixedly welded with a vertical plate, and the side of the vertical plate is fixedly welded with an electric push rod. The laminating device for processing multi-layer circuit boards can not only align the multi-layer circuit boards in a regular manner and control the pressure during the laminating process, but also facilitate the collection of the laminated multi-layer circuit boards.

[0004] The push plate in the above-mentioned patent does not have a buffer protection function. The two push plates move to clamp and fix the circuit board, which can easily cause damage to the circuit board. At the same time, the original device cannot adjust the workbench to different heights according to the different heights of workers, which makes it inconvenient for workers of different heights to perform processing work on the workbench. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a pressing device for circuit board printing, which has the characteristics that the push plate has a buffer protection function and the push plate is not easy to cause clamping damage to the circuit board.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressing device for circuit board printing, comprising a workbench, a plurality of supporting legs are arranged on the lower side of the workbench, a top plate is arranged on the upper side of the workbench, a hydraulic rod is arranged at the middle position of the lower end of the top plate, a bottom plate is arranged at the output end of the hydraulic rod, a pressure sensor is arranged at the lower end of the bottom plate, a pressure plate is arranged on the lower side of the bottom plate, the pressure plate and the bottom plate are connected by a plurality of springs, push plates are arranged on both sides of the upper side of the workbench, connecting rods are arranged on both sides inside the workbench, a driving mechanism is arranged between the connecting rod and the workbench, and the push plate and the connecting rod are connected by a buffer assembly.

[0007] Preferably, the buffer assembly includes a vertical plate, a fixed cylinder, a sliding rod, a sliding plate, a second spring and an adjusting assembly, wherein a vertical plate is provided at the upper end of the connecting rod, a fixed cylinder is provided at the end of the vertical plate away from the push plate, a sliding plate is provided on one side inside the fixed cylinder, a second spring is provided at one end of the sliding plate, the sliding plate and the push plate are connected by a sliding rod, and an adjusting assembly is provided on the side inside the fixed cylinder away from the sliding plate.

[0008] Preferably, the adjustment assembly includes a screw, a knob, an adjustment plate, a connecting bearing, a protrusion and a slide groove, wherein a screw is provided at one end of the fixed cylinder away from the vertical plate, an adjustment plate is provided at one end of the screw close to the slide plate, a connecting bearing is provided between the adjustment plate and the screw, a knob is provided at the other end of the screw, protrusions are provided at both ends of the adjustment plate, and a slide groove corresponding to the protrusion is provided inside the fixed cylinder.

[0009] Preferably, a sliding hole corresponding to the sliding rod is provided in the vertical plate, the side edge of the sliding plate is in close contact with the inner wall of the fixed tube, and the sliding rod and the push plate as well as the sliding rod and the sliding plate are welded by pressure welding.

[0010] Preferably, a fixing plate is provided at the upper ends of several of the supporting legs, a motor is provided at the middle position of the lower end of the workbench, a stud is provided at the output end of the motor, sliding columns are provided on both sides of the lower end of the workbench, and limiting plates are provided on both sides of the surface of the sliding columns.

[0011] Preferably, the fixing plate is provided with threaded holes and sliding holes corresponding to the studs and the sliding posts, respectively, and the limiting plate and the sliding posts, as well as the sliding posts and the workbench are spot welded.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a buffer assembly. When the connecting rod moves to drive the push plate to move to clamp the circuit board, when the push plate contacts the circuit board, the slide bar at one end of the push plate pushes the slide plate to slide in the fixed cylinder. The slide plate compresses spring 2, and the elasticity of spring 2 is used to make the push plate press against the circuit board, thereby clamping and fixing the circuit board. The buffer assembly can be provided to provide buffer protection for the push plate clamping the circuit board, thereby preventing the two push plates from causing damage to the circuit board.

[0014] 2. The utility model sets a fixed plate, turns on the motor to drive the stud to rotate in the fixed plate, the rotation of the stud drives the sliding column to slide in the fixed plate, the sliding of the sliding column pushes the workbench to rise and fall, and at the same time the limit plate on the sliding column plays a limiting role to prevent the stud from separating from the fixed plate or the fixed plate from hitting the motor. By setting the fixed plate, the workbench can be adjusted to different heights according to the workers of different heights, which is convenient for workers of different heights to perform processing work on the workbench. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the buffer component of the utility model;

[0017] Figure 3 This is a cutaway perspective view of the fixed tube of the utility model;

[0018] In the figure: 1. workbench; 2. buffer assembly; 21. vertical plate; 22. fixed cylinder; 23. slide bar; 24. slide plate; 25. spring 2; 26. adjustment assembly; 261. screw rod; 262. knob; 263. adjustment plate; 264. connecting bearing; 265. bump; 266. slide groove; 3. slide column; 4. limit plate; 5. support leg; 6. stud; 7. fixed plate; 8. motor; 9. push plate; 10. pressure plate; 11. bottom plate; 12. hydraulic rod; 13. pressure sensor; 14. top plate; 15. spring 1; 16. driving mechanism; 17. connecting rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] See also Figure 1-3The utility model provides the following technical solutions: a pressing device for circuit board printing, comprising a workbench 1, a plurality of supporting legs 5 are arranged at the lower side of the workbench 1, a top plate 14 is arranged at the upper side of the workbench 1, a hydraulic rod 12 is arranged at the middle position of the lower end of the top plate 14, a bottom plate 11 is arranged at the output end of the hydraulic rod 12, a pressure sensor 13 is arranged at the lower end of the bottom plate 11, a pressing plate 10 is arranged at the lower side of the bottom plate 11, the pressing plate 10 and the bottom plate 11 are connected by a plurality of springs 15, push plates 9 are arranged on both sides of the upper end of the workbench 1, connecting rods 17 are arranged on both sides inside the workbench 1, a driving mechanism 16 is arranged between the connecting rod 17 and the workbench 1, and the push plate 9 and the connecting rod 17 are connected by a buffer assembly 2.

[0022] Specifically, the buffer assembly 2 includes a vertical plate 21, a fixed cylinder 22, a sliding rod 23, a sliding plate 24, a spring 25 and an adjusting assembly 26, wherein a vertical plate 21 is provided at the upper end of the connecting rod 17, a fixed cylinder 22 is provided at the end of the vertical plate 21 away from the push plate 9, a sliding plate 24 is provided on one side inside the fixed cylinder 22, a spring 25 is provided at one end of the sliding plate 24, the sliding plate 24 is connected to the push plate 9 by the sliding rod 23, and an adjusting assembly 26 is provided on the side inside the fixed cylinder 22 away from the sliding plate 24.

[0023] By adopting the above technical solution, when the connecting rod 17 moves to drive the push plate 9 to move and clamp the circuit board, when the push plate 9 contacts the circuit board, the slide bar 23 at one end of the push plate 9 pushes the slide plate 24 to slide in the fixed tube 22, and the slide plate 24 compresses the spring 25. The elasticity of the spring 25 is used to make the push plate 9 press against the circuit board, thereby clamping and fixing the circuit board. By setting the buffer component 2, the push plate 9 can be buffered and protected from clamping the circuit board, thereby preventing the two push plates 9 from causing damage to the circuit board.

[0024] Specifically, the adjustment component 26 includes a screw 261, a knob 262, an adjustment plate 263, a connecting bearing 264, a protrusion 265 and a slide groove 266, wherein a screw 261 is provided at one end of the fixed cylinder 22 away from the vertical plate 21, an adjustment plate 263 is provided at one end of the screw 261 close to the slide plate 24, a connecting bearing 264 is provided between the adjustment plate 263 and the screw 261, a knob 262 is provided at the other end of the screw 261, protrusions 265 are provided at both ends of the adjustment plate 263, and a slide groove 266 corresponding to the protrusion 265 is provided inside the fixed cylinder 22.

[0025] By adopting the above technical solution, the screw 261 is rotated by the knob 262, and the screw 261 rotates to push the adjustment plate 263 to move in the fixed cylinder 22. The protrusions 265 at both ends of the adjustment plate 263 slide in the slide groove 266 in the fixed cylinder 22. The adjustment plate 263 moves the compression spring 25. By setting the adjustment component 26, the compression amount of the spring 25 can be adjusted, thereby improving the practicality of the device.

[0026] Specifically, a sliding hole corresponding to the sliding rod 23 is provided in the vertical plate 21, the side of the sliding plate 24 is in close contact with the inner wall of the fixed tube 22, and the sliding rod 23 and the push plate 9 as well as the sliding rod 23 and the sliding plate 24 are welded by pressure welding.

[0027] By adopting the above technical solution, the slide bar 23 can slide in the vertical plate 21, and the slide plate 24 can slide more stably in the fixed tube 22. The pressure welding makes the slide bar 23 and the push plate 9 as well as the slide bar 23 and the slide plate 24 more secure.

[0028] When the present embodiment is used, when the circuit board printing pressing device is used, the device is installed in a suitable position, and the circuit board is placed between the two push plates 9 on the workbench 1. The driving mechanism 16 drives the two connecting rods 17 to drive the two push plates 9 to move and clamp the circuit board. The hydraulic rod 12 pushes the bottom plate 11 and the pressing plate 10 to move downward to press the circuit board. The upper end of the pressing plate 10 presses the pressure sensor 13 at the lower end of the bottom plate 11. The pressure sensor 13 transmits the pressure value to the control console on the front side of the workbench 1. After the pressure value reaches a certain value, the hydraulic rod 12 pushes it downward. By setting the buffer assembly 2, the connecting rod 17 moves to drive the push plate 9 to move and clamp the circuit board. When the push plate 9 contacts the circuit board, the push plate 9 The slide bar 23 at one end pushes the slide plate 24 to slide in the fixed cylinder 22, and the slide plate 24 compresses the spring 25. The elasticity of the spring 25 is used to make the push plate 9 press against the circuit board, so that the circuit board is clamped and fixed. By setting the buffer component 2, the push plate 9 can be buffered and protected to clamp the circuit board to avoid the two push plates 9 from causing damage to the circuit board. By setting the adjustment component 26, the screw 261 is rotated by the knob 262, and the screw 261 rotates to push the adjustment plate 263 to move in the fixed cylinder 22. The protrusions 265 at both ends of the adjustment plate 263 slide in the slide groove 266 in the fixed cylinder 22, and the adjustment plate 263 moves to compress the spring 25. By setting the adjustment component 26, the compression amount of the spring 25 can be adjusted to improve the practicality of the device.

[0029] Example 2

[0030] The difference between this embodiment and embodiment 1 is that: a fixing plate 7 is arranged at the upper end of a plurality of supporting legs 5, a motor 8 is arranged at the middle position of the lower end of the workbench 1, a stud 6 is arranged at the output end of the motor 8, sliding columns 3 are arranged on both sides of the lower end of the workbench 1, and limiting plates 4 are arranged on both sides of the surface of the sliding columns 3.

[0031] By adopting the above technical solution, the motor 8 is turned on to drive the stud 6 to rotate in the fixed plate 7. The rotation of the stud 6 drives the sliding column 3 to slide in the fixed plate 7. The sliding of the sliding column 3 pushes the workbench 1 to rise and fall. At the same time, the limit plate 4 on the sliding column 3 plays a limiting role to prevent the stud 6 from separating from the fixed plate 7 or the fixed plate 7 from colliding with the motor 8. By setting the fixed plate 7, the workbench 1 can be adjusted to different heights according to the workers of different heights, so that the workers of different heights can perform processing work on the workbench 1.

[0032] Specifically, threaded holes and sliding holes corresponding to the studs 6 and the sliding posts 3 are respectively provided in the fixing plate 7 , and the limiting plate 4 and the sliding posts 3 as well as the sliding posts 3 and the workbench 1 are all welded by spot welding.

[0033] By adopting the above technical solution, both the stud 6 and the sliding column 3 can move in the fixing plate 7, and the spot welding makes the limit plate 4 and the sliding column 3, as well as the sliding column 3 and the workbench 1, more secure.

[0034] When this embodiment is used, by setting the fixed plate 7, turning on the motor 8 drives the stud 6 to rotate in the fixed plate 7, and the rotation of the stud 6 drives the sliding column 3 to slide in the fixed plate 7, and the sliding column 3 slides to push the workbench 1 to rise and fall. At the same time, the limit plate 4 on the sliding column 3 plays a limiting role to prevent the stud 6 from separating from the fixed plate 7 or the fixed plate 7 from colliding with the motor 8. By setting the fixed plate 7, the workbench 1 can be adjusted to different heights according to the staff of different heights, so that the staff of different heights can perform processing work on the workbench 1 conveniently.

[0035] The motor 8 in the utility model is an existing disclosed technology, and the selected model is 5IK120GN-CF.

[0036] The structure and working principle of the workbench 1, supporting legs 5, push plates 9, pressing plates 10, bottom plates 11, hydraulic rods 12, pressure sensors 13, top plates 14, springs 15, drive mechanisms 16 and connecting rods 17 in the utility model have been disclosed in a pressing device for multi-layer circuit board processing disclosed in Chinese patent application No. 2022202026519. The working principle is to place the circuit board between the two push plates 9 on the workbench 1, and the drive mechanism 16 drives the two connecting rods 17 to drive the two push plates 9 to move to clamp and fix the circuit board. The hydraulic rod 12 pushes the bottom plate 11 and the pressing plate 10 to move downward to press the circuit board. The upper end of the pressing plate 10 presses the pressure sensor 13 at the lower end of the bottom plate 11. The pressure sensor 13 transmits the pressure value to the control console on the front side of the workbench 1. After the pressure value reaches a certain value, the hydraulic rod 12 pushes it to move downward.

[0037] The working principle and use process of the utility model are as follows: when the pressing device for circuit board printing is used, the device is installed in a suitable position, and the circuit board is placed between the two push plates 9 on the workbench 1. The driving mechanism 16 drives the two connecting rods 17 to drive the two push plates 9 to move and clamp the circuit board. The hydraulic rod 12 pushes the bottom plate 11 and the pressing plate 10 to move downward to press the circuit board. The upper end of the pressing plate 10 presses the pressure sensor 13 at the lower end of the bottom plate 11. The pressure sensor 13 transmits the pressure value to the control console on the front side of the workbench 1. After the pressure value reaches a certain value, the hydraulic rod 12 pushes it downward. By setting a buffer component 2, the connecting rod 17 moves to drive the push plate 9 to move and clamp the circuit board. When the push plate 9 contacts the circuit board, the sliding rod 23 at one end of the push plate 9 pushes the sliding plate 24 to slide in the fixed cylinder 22. The sliding plate 24 compresses the spring 25, and the elasticity of the spring 25 is used to make the push plate 9 press against the circuit board, thereby clamping and fixing the circuit board. By setting a buffer component 2 can provide buffer protection for the push plate 9 clamping the circuit board to prevent the two push plates 9 from causing damage to the circuit board. By setting the adjustment component 26, the screw 261 is rotated by the knob 262, and the screw 261 rotates to push the adjustment plate 263 to move in the fixed cylinder 22. The protrusions 265 at both ends of the adjustment plate 263 slide in the slide groove 266 in the fixed cylinder 22, and the adjustment plate 263 moves the compression spring 25. By setting the adjustment component 26, the compression amount of the spring 25 can be adjusted to improve the practicality of the device. By setting the fixed plate 7, the motor 8 is turned on to drive the stud 6 to rotate in the fixed plate 7, and the rotation of the stud 6 drives the slide column 3 to slide in the fixed plate 7. The slide column 3 slides to push the workbench 1 to rise and fall. At the same time, the limit plate 4 on the slide column 3 plays a limiting role to prevent the stud 6 from separating from the fixed plate 7 or the fixed plate 7 from hitting the motor 8. By setting the fixed plate 7, the workbench 1 can be adjusted to different heights according to workers of different heights, which is convenient for workers of different heights to perform processing work on the workbench 1.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressing device for circuit board printing, comprising a workbench, characterized in that: A plurality of supporting legs are arranged at the lower side of the workbench, a top plate is arranged at the upper side of the workbench, a hydraulic rod is arranged at the middle position of the lower end of the top plate, a bottom plate is arranged at the output end of the hydraulic rod, a pressure sensor is arranged at the lower end of the bottom plate, a pressure plate is arranged at the lower side of the bottom plate, the pressure plate and the bottom plate are connected by a plurality of springs, push plates are arranged at both sides of the upper end of the workbench, connecting rods are arranged at both sides inside the workbench, a driving mechanism is arranged between the connecting rod and the workbench, and the push plate and the connecting rod are connected by a buffer assembly; The buffer assembly includes a vertical plate, a fixed cylinder, a sliding rod, a sliding plate, a spring 2 and an adjustment assembly, wherein a vertical plate is arranged at the upper end of the connecting rod, a fixed cylinder is arranged at the end of the vertical plate away from the push plate, a sliding plate is arranged on one side inside the fixed cylinder, a spring 2 is arranged at one end of the sliding plate, the sliding plate and the push plate are connected by a sliding rod, and an adjustment assembly is arranged on the side inside the fixed cylinder away from the sliding plate.

2. A circuit board printing pressing device according to claim 1, characterized in that: The adjustment assembly includes a screw, a knob, an adjustment plate, a connecting bearing, a protrusion and a slide groove, wherein a screw is arranged at one end of the fixed cylinder away from the vertical plate, an adjustment plate is arranged at one end of the screw close to the slide plate, a connecting bearing is arranged between the adjustment plate and the screw, a knob is arranged at the other end of the screw, protrusions are arranged at both ends of the adjustment plate, and a slide groove corresponding to the protrusion is arranged inside the fixed cylinder.

3. A circuit board printing pressing device according to claim 1, characterized in that: The vertical plate is provided with a sliding hole corresponding to the sliding rod, the side of the sliding plate is in close contact with the inner wall of the fixed cylinder, and the sliding rod and the push plate as well as the sliding rod and the sliding plate are welded by pressure welding.

4. A circuit board printing pressing device according to claim 1, characterized in that: A fixing plate is arranged at the upper end of the supporting legs, a motor is arranged at the middle position of the lower end of the workbench, a stud is arranged at the output end of the motor, sliding columns are arranged on both sides of the lower end of the workbench, and limiting plates are arranged on both sides of the sliding column surface.

5. A circuit board printing pressing device according to claim 4, characterized in that: The fixing plate is provided with threaded holes and sliding holes corresponding to the studs and the sliding posts, respectively. The limiting plate and the sliding posts, as well as the sliding posts and the workbench, are spot welded.

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