A positioning device for PCB board processing

Abstract

The utility model relates to the technical field of alignment devices, and discloses an alignment device for PCB board processing, comprising an alignment mechanism, and also comprising: a fixing mechanism, a displacement mechanism and an adjusting mechanism, wherein the bottom end of the alignment mechanism is fixedly connected to the top end of the displacement mechanism, the bottom end of the fixing mechanism is fixedly connected to the top end of the displacement mechanism, and the side of the adjusting mechanism is fixedly connected to the side of the fixing mechanism; the utility model drives a bidirectional threaded rod to rotate through a first servo motor and drives first threaded blocks on both sides to move toward the center simultaneously along a first sliding groove through threads, so that clamping blocks on both sides are closely attached to two diagonal corners of a PCB board, when the side of the clamping block contacts the PCB board, the clamping block stops moving and a pressure spring contracts for buffering, until the side of the clamping block contacts a touch switch so that the touch switch controls the first servo motor to automatically stop, and the pressure spring pushes the clamping block so that the clamping block is closely attached to the diagonal corner of the PCB board, and automatically fixes the PCB board, which is beneficial to improving the safety of the equipment and avoiding damage to the PCB board.

Description

Technical Field

[0001] The utility model relates to the technical field of alignment devices, and more specifically to an alignment device used for PCB board processing. Background Art

[0002] PCB board, whose Chinese name is printed circuit board, also known as printed circuit board, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. PCB board is made of multiple layers of substrates made of different materials. During the production process, in order to facilitate the connection of each layer of substrate, the copper foil lines between each layer of conductive graphics are connected or connected by holes. Therefore, during the processing of PCB board, a positioning device is required to ensure that the conductive holes on each layer of substrate are aligned.

[0003] Deficiencies of the existing technology: When aligning the PCB board, a fixing device is required to fix it. However, in order to reduce the weight of the PCB board, the PCB board is mostly composed of copper foil, adhesive, polymer synthetic resin and reinforcing material, which is light in weight and low in strength. During the fixing process, the pressure on the PCB board cannot be flexibly controlled, which is easy to cause damage. At the same time, the existing PCB board fixing devices are mostly fixed manually, which is time-consuming and labor-intensive to operate. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides an alignment device for PCB board processing to solve the problems existing in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for PCB board processing, comprising a positioning mechanism, and also comprising: a fixing mechanism, a displacement mechanism and an adjusting mechanism, wherein the bottom end of the positioning mechanism is fixedly connected to the top end of the displacement mechanism, the bottom end of the fixing mechanism is fixedly connected to the top end of the displacement mechanism, the side of the adjusting mechanism is fixedly connected to the side of the fixing mechanism, the fixing mechanism comprises a base, a first slide groove is provided at the top end of the base, a first servo motor is fixedly connected to the side of the first slide groove, a bidirectional threaded rod is fixedly connected to the output shaft of the first servo motor, a first threaded block is threadedly connected to the side of the bidirectional threaded rod, a side plate is fixedly connected to the side plate, a pressure spring is fixedly connected to the side of the side plate, a clamping block is fixedly connected to the side of the pressure spring, the adjusting mechanism comprises a mounting column, a side of the mounting column is fixedly connected to the side of the side plate, a telescopic column is movably connected to the inner wall of the side of the mounting column, and a touch switch is movably connected to the side of the telescopic column.

[0006] Furthermore, a right-angle slot is provided on a side surface of the clamping block, and an arc angle is provided on a side surface of the right-angle slot.

[0007] Furthermore, a side surface of the clamp block is fixedly connected to a limit pin at a position corresponding to the pressure spring, a limit hole is provided on the side surface of the side plate, a side surface of the limit hole is movably connected to a side surface of the limit pin, and the limit pin is a T-shaped structure.

[0008] Furthermore, an adjusting screw is threadedly connected to the side surface of the mounting column, a side surface of the adjusting screw is threadedly connected to an inner wall of a side surface of the telescopic column, and a scale is provided on the top of the telescopic column.

[0009] Furthermore, a mounting groove is provided on a side surface of the telescopic column, a slide groove spring is fixedly connected to the side surface of the mounting groove, and a side surface of the slide groove spring is fixedly connected to a side surface of the touch switch.

[0010] Furthermore, the displacement mechanism includes a base plate, a second slide groove is provided at the top of the base plate, a second servo motor is fixedly connected to the side of the second slide groove, an output shaft of the second servo motor is fixedly connected to a first one-way threaded rod, a second threaded block is threadedly connected to the side of the first one-way threaded rod, a top plate is fixedly connected to the top of the second threaded block, a third slide groove is provided at the top of the top plate, a third servo motor is fixedly connected to the side of the third slide groove, an output shaft of the third servo motor is fixedly connected to the second one-way threaded rod, a third threaded block is threadedly connected to the side of the second one-way threaded rod, and the top of the third threaded block is fixedly connected to the bottom end of the base.

[0011] Furthermore, the alignment mechanism includes a mounting frame, the bottom end of the mounting frame is fixedly connected to the top end of the base plate, the top end of the mounting frame is fixedly connected to a hydraulic telescopic rod, and the bottom end of the hydraulic telescopic rod is fixedly connected to a positioning device body.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model drives the bidirectional threaded rod to rotate through the first servo motor, and drives the first threaded blocks on both sides to move toward the center along the first slide groove at the same time through the thread, so that the clamping blocks on both sides are tightly attached to the two diagonal corners of the PCB board. When the side of the clamping block contacts the PCB board, the clamping block stops moving and the pressure spring contracts for buffering, until the side of the clamping block contacts the touch switch so that the touch switch controls the first servo motor to automatically stop. The pressure spring pushes the clamping block so that the clamping block is tightly attached to the diagonal corners of the PCB board and automatically fixes the PCB board, which is beneficial to improving the safety of the equipment and avoiding damage to the PCB board.

[0014] 2. The utility model drives the telescopic column to move along the side inner wall of the mounting column by rotating the adjusting screw according to the use requirements through the thread, and adjusts the distance between the touch switch and the clamping block, thereby controlling the deformation amount of the pressure spring caused by the clamping block clamping the PCB board, and controlling the pressure size of the clamping block on the PCB board. At the same time, the scale represents the pressure value that can be provided by the pressure spring, and flexibly controls the pressure value when fixing the PCB board, which is conducive to improving the flexibility of the equipment.

[0015] 3. The utility model drives the first one-way threaded rod to rotate through the second servo motor, drives the second threaded block to move laterally along the second slide groove through the thread, so that the top plate moves laterally, and the third servo motor drives the second one-way threaded rod to rotate through the thread, drives the third threaded block to move longitudinally along the third slide groove, so that the base moves longitudinally, so that the PCB board on the fixing mechanism can move freely in the horizontal plane, the PCB board can be positioned, which is beneficial to improve the flexibility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the clamping block structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0020] Figure 5 It is a cross-sectional structural schematic diagram of the adjustment mechanism of the utility model;

[0021] Figure 6 It is a schematic diagram of the displacement mechanism structure of the utility model.

[0022] The accompanying drawings are marked as follows: 1. alignment mechanism; 101. mounting frame; 102. hydraulic telescopic rod; 103. alignment device body; 2. fixing mechanism; 201. base; 202. clamping block; 203. first servo motor; 204. side plate; 205. bidirectional threaded rod; 206. first slide groove; 207. pressure spring; 208. limit pin; 209. limit hole; 210. right-angle slot; 211. first threaded block; 3. displacement mechanism; 301. bottom plate ; 302, top plate; 303, second slide groove; 304, second threaded block; 305, first one-way threaded rod; 306, second servo motor; 307, third servo motor; 308, second one-way threaded rod; 309, third slide groove; 310, third threaded block; 4, adjustment mechanism; 401, mounting column; 402, telescopic column; 403, touch switch; 404, scale; 405, adjustment screw; 406, mounting groove; 407, slide groove spring. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The alignment device for PCB board processing involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0024] Reference Figures 1 to 6The utility model provides a positioning device for PCB board processing, comprising a positioning mechanism 1, and also comprising: a fixing mechanism 2, a displacement mechanism 3 and an adjusting mechanism 4, the bottom end of the positioning mechanism 1 is fixedly connected to the top of the displacement mechanism 3, the bottom end of the fixing mechanism 2 is fixedly connected to the top of the displacement mechanism 3, the side of the adjusting mechanism 4 is fixedly connected to the side of the fixing mechanism 2, the fixing mechanism 2 comprises a base 201, the top of the base 201 is provided with a first slide groove 206, the side of the first slide groove 206 is fixedly connected to a first servo motor 203, the output shaft of the first servo motor 203 is fixedly connected to a bidirectional threaded rod 205, the side of the bidirectional threaded rod 205 is threadedly connected to a first threaded block 211, the top of the first threaded block 211 is fixedly connected to a side plate 204, the side of the side plate 204 is fixedly connected to the side plate 204, the side of the side plate 204 is fixedly connected to a pressure spring 207, and the side of the pressure spring 207 is fixedly connected There is a clamping block 202, and the adjustment mechanism 4 includes a mounting column 401. The side of the mounting column 401 is fixedly connected to the side of the side plate 204. The inner wall of the side of the mounting column 401 is movably connected with a telescopic column 402. The side of the telescopic column 402 is movably connected with a touch switch 403. The PCB board that needs to be processed and aligned is placed at the center position of the top of the base 201. The first servo motor 203 drives the bidirectional threaded rod 205 to rotate through the thread to drive the first threaded blocks 211 on both sides to move toward the center along the first slide groove 206 at the same time, so that the clamping blocks 202 on both sides are tightly attached to the two diagonal corners of the PCB board. When the side of the clamping block 202 contacts the PCB board, the clamping block 202 stops moving and the pressure spring 207 contracts for buffering until the side of the clamping block 202 contacts the touch switch 403 so that the touch switch 403 controls the first servo motor 203 to automatically stop, and the pressure spring 207 pushes the clamping block 202 so that the clamping block 202 is tightly attached to the diagonal corners of the PCB board to avoid damage.

[0025] Among them, a right-angle slot 210 is opened on the side of the clamping block 202, and the side of the right-angle slot 210 is tightly attached to the two sides of the right angle of the PCB board. The side of the right-angle slot 210 is opened with an arc corner, which facilitates the diagonal insertion of the PCB board into the right-angle slot 210.

[0026] Among them, the side of the clamping block 202 is fixedly connected to the limit pin 208 at the position corresponding to the pressure spring 207, and a limit hole 209 is opened on the side of the side plate 204. The side of the limit hole 209 is movably connected to the side of the limit pin 208. The limit pin 208 is a T-shaped structure. When the pressure spring 207 contracts, the limit pin 208 slides along the limit hole 209 to limit the clamping block 202, so that the clamping block 202 moves and remains stable.

[0027] Among them, the side of the mounting column 401 is threadedly connected with an adjusting screw 405, and the side of the adjusting screw 405 is threadedly connected to the inner wall of the side of the telescopic column 402. The top of the telescopic column 402 is provided with a scale 404. According to the use requirements, the adjusting screw 405 is rotated to drive the telescopic column 402 to move along the inner wall of the side of the mounting column 401 through the thread, and the distance between the touch switch 403 and the clamping block 202 is adjusted, so as to control the clamping block 202 to clamp the PCB board to make the deformation of the pressure spring 207, and control the pressure of the clamping block 202 on the PCB board. At the same time, the scale 404 represents the pressure value that the pressure spring 207 can provide.

[0028] Among them, a mounting groove 406 is opened on the side of the telescopic column 402, and a slide groove spring 407 is fixedly connected to the side of the mounting groove 406. The side of the slide groove spring 407 is fixedly connected to the side of the touch switch 403. When the touch switch 403 contacts the side of the clamping block 202, the slide groove spring 407 contracts to buffer the touch switch 403. At the same time, the touch switch 403 is retracted into the mounting groove 406, and the side of the telescopic column 402 contacts the side of the clamping block 202 to limit the clamping block 202 to avoid shaking.

[0029] The displacement mechanism 3 includes a bottom plate 301, a second slide groove 303 is provided at the top of the bottom plate 301, a second servo motor 306 is fixedly connected to the side of the second slide groove 303, a first one-way threaded rod 305 is fixedly connected to the output shaft of the second servo motor 306, a second threaded block 304 is threadedly connected to the side of the first one-way threaded rod 305, a top plate 302 is fixedly connected to the top of the second threaded block 304, a third slide groove 309 is provided at the top of the top plate 302, a third servo motor 307 is fixedly connected to the side of the third slide groove 309, and the output shaft of the third servo motor 307 is fixedly connected to the second one-way threaded rod 305. The second unidirectional threaded rod 308 is threadedly connected to the side of the second unidirectional threaded rod 308 with a third threaded block 310, and the top of the third threaded block 310 is fixedly connected to the bottom of the base 201. The second servo motor 306 drives the first unidirectional threaded rod 305 to rotate, and drives the second threaded block 304 to move laterally along the second slide groove 303 through the thread, so that the top plate 302 moves laterally. The third servo motor 307 drives the second unidirectional threaded rod 308 to rotate, and drives the third threaded block 310 to move longitudinally along the third slide groove 309 through the thread, so that the base 201 moves longitudinally, so that the PCB board on the fixing mechanism 2 can move freely in the horizontal plane.

[0030] Among them, the alignment mechanism 1 includes a mounting frame 101, the bottom end of the mounting frame 101 is fixedly connected to the top of the base plate 301, the top of the mounting frame 101 is fixedly connected to a hydraulic telescopic rod 102, the bottom end of the hydraulic telescopic rod 102 is fixedly connected to an alignment device body 103, and the alignment device body 103 drives the alignment device body 103 downward to approach the PCB board on the fixing mechanism 2 for alignment processing.

[0031] The working principle of the utility model is as follows: according to the model and usage requirements of the PCB board to be processed, the adjusting screw 405 is rotated to drive the telescopic column 402 to move along the inner wall of the side of the mounting column 401 through the thread, and the touch switch 403 and the clamping block 202 are kept at a suitable distance through the scale 404, and the PCB board to be processed is placed at the center of the base 201, and the first servo motor 203 is started to drive the bidirectional threaded rod 205 to rotate and drive the first threaded blocks 211 on both sides to move toward the center along the first slide groove 206 at the same time through the thread, so that the right-angle grooves 210 on the sides of the clamping blocks 202 on both sides are tightly attached to the two diagonals of the PCB board. When the side of the clamping block 202 contacts the PCB board, the clamping block 202 stops moving and the pressure spring 207 contracts for buffering until the side of the clamping block 202 is in contact with the touch The switch 403 contacts to make the touch switch 403 control the first servo motor 203 to automatically stop, the pressure spring 207 pushes the clamping block 202 to make the clamping block 202 close to the diagonal of the PCB board for fixing, the second servo motor 306 is started to drive the first one-way threaded rod 305 to rotate, and the second threaded block 304 is driven by the thread to move horizontally along the second slide groove 303 to make the top plate 302 move horizontally, the third servo motor 307 is started to drive the second one-way threaded rod 308 to rotate, and the third threaded block 310 is driven by the thread to move longitudinally along the third slide groove 309 to make the base 201 move longitudinally, so that the PCB board on the fixing mechanism 2 can move freely to the appropriate position in the horizontal plane, and the positioning device body 103 drives the positioning device body 103 downward to approach the PCB board on the fixing mechanism 2 for positioning processing.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning device for PCB board processing, comprising a positioning mechanism (1), characterized in that: Also includes: A fixing mechanism (2), a displacement mechanism (3) and an adjusting mechanism (4), wherein the bottom end of the alignment mechanism (1) is fixedly connected to the top end of the displacement mechanism (3), the bottom end of the fixing mechanism (2) is fixedly connected to the top end of the displacement mechanism (3), the side of the adjusting mechanism (4) is fixedly connected to the side of the fixing mechanism (2), the fixing mechanism (2) comprises a base (201), the top end of the base (201) is provided with a first slide groove (206), the side of the first slide groove (206) is fixedly connected to a first servo motor (203), the output shaft of the first servo motor (203) is fixedly connected to a bidirectional threaded rod (205), the side of the bidirectional threaded rod (205) is fixedly connected to the output shaft of the first servo motor (203), The surface is threadedly connected to a first threaded block (211); the top end of the first threaded block (211) is fixedly connected to a side plate (204); the side of the side plate (204) is fixedly connected to the side plate (204); the side of the side plate (204) is fixedly connected to a pressure spring (207); the side of the pressure spring (207) is fixedly connected to a clamping block (202); the adjustment mechanism (4) comprises a mounting column (401); the side of the mounting column (401) is fixedly connected to the side of the side plate (204); the inner wall of the side of the mounting column (401) is movably connected to a telescopic column (402); the side of the telescopic column (402) is movably connected to a touch switch (403).

2. The alignment device for PCB board processing according to claim 1, characterized in that: A right-angled slot (210) is provided on the side of the clamping block (202), and a circular arc angle is provided on the side of the right-angled slot (210).

3. The alignment device for PCB board processing according to claim 1, characterized in that: The side of the clamping block (202) is fixedly connected to a limit pin (208) corresponding to the position of the pressure spring (207), and the side of the side plate (204) is provided with a limit hole (209), and the side of the limit hole (209) is movably connected to the side of the limit pin (208), and the limit pin (208) is a T-shaped structure.

4. The alignment device for PCB board processing according to claim 1, characterized in that: The side of the mounting column (401) is threadedly connected with an adjusting screw (405), the side of the adjusting screw (405) is threadedly connected with the inner wall of the side of the telescopic column (402), and the top of the telescopic column (402) is provided with a scale (404).

5. The alignment device for PCB board processing according to claim 1, characterized in that: A mounting groove (406) is provided on the side of the telescopic column (402), a slide groove spring (407) is fixedly connected to the side of the mounting groove (406), and a side of the slide groove spring (407) is fixedly connected to the side of the touch switch (403).

6. The alignment device for PCB board processing according to claim 1, characterized in that: The displacement mechanism (3) comprises a bottom plate (301), a second slide groove (303) is provided at the top of the bottom plate (301), a second servo motor (306) is fixedly connected to the side of the second slide groove (303), an output shaft of the second servo motor (306) is fixedly connected to a first one-way threaded rod (305), a second threaded block (304) is threadedly connected to the side of the first one-way threaded rod (305), a top of the second threaded block (304) is fixedly connected to a top plate (302), a third slide groove (309) is provided at the top of the top plate (302), a third servo motor (307) is fixedly connected to the side of the third slide groove (309), an output shaft of the third servo motor (307) is fixedly connected to a second one-way threaded rod (308), a third threaded block (310) is threadedly connected to the side of the second one-way threaded rod (308), and a top of the third threaded block (310) is fixedly connected to the bottom of the base (201).

7. The alignment device for PCB board processing according to claim 6, characterized in that: The alignment mechanism (1) comprises a mounting frame (101), the bottom end of the mounting frame (101) is fixedly connected to the top end of the base plate (301), the top end of the mounting frame (101) is fixedly connected to a hydraulic telescopic rod (102), and the bottom end of the hydraulic telescopic rod (102) is fixedly connected to an alignment device body (103).

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