Clamping mechanism for PCB (printed circuit board)

Abstract

The utility model relates to the technical field of PCB (printed circuit board) clamping, in particular to a clamping mechanism for a PCB, which comprises a fixed base, auxiliary suckers and an extrusion switch for controlling on-off of an electromagnet, the two sides of the bottom end of the fixed base are fixedly connected with the auxiliary suckers for positioning, and the two sides of the top end of the fixed base are connected with connecting plates through first locking bolts. An adjusting mechanism is fixedly connected to the top end of the connecting plate, a clamping mechanism is slidably connected to the inner side of the upper end of the adjusting mechanism, a positioning mechanism is fixedly connected to the inner side of one end of the clamping mechanism, and an electromagnet is fixedly connected to the other end of the clamping mechanism; the adjusting mechanism comprises an adjusting plate, a vertical hole groove is formed in the center of the adjusting plate, a transverse hole groove is formed in the inner side of one end of the adjusting plate, and the clamping mechanism comprises a clamping rod. In the process of clamping the circuit board, the edge of the circuit board is pre-positioned through the clamping rod, then the circuit board is fixed through the cooperation of an electromagnet and a moving column, and therefore the circuit board is fixed. And the problem that the edge position of the circuit board is damaged by clamping can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board clamping, in particular to a clamping mechanism for a PCB board. Background Art

[0002] PCB board, also known as circuit board, is the support body of electronic components;

[0003] The clamping mechanism of the PCB board is a device used to fix and position the PCB board. It is an indispensable auxiliary tool in the processing and assembly of the PCB board. It can ensure the accuracy and stability of the PCB board during the processing and assembly process, and improve production efficiency and product quality.

[0004] In the process of clamping both sides of the circuit board by a manual clamping mechanism in a small processing plant, if the clamping force at both ends is too large, the circuit board may be easily clamped and irreversible damage may occur, especially for circuit boards with irregular shapes at the edges. Therefore, a clamping mechanism for PCB boards is proposed to address the above problem. Utility Model Content

[0005] The utility model aims to provide a clamping mechanism for a PCB board, so as to solve the problem that when a small processing plant clamps both sides of a circuit board by a manual clamping mechanism, if the clamping force at both ends is too large, the circuit board is easily clamped and irreversible damage occurs, especially for circuit boards with irregular shapes at the edge positions.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The clamping mechanism for a PCB board comprises a fixed base, an auxiliary suction cup and an extrusion switch for controlling the on and off of an electromagnet, wherein both sides of the bottom end of the fixed base are fixedly connected with auxiliary suction cups for positioning, both sides of the top end of the fixed base are connected with connecting plates through first locking bolts, the top end of the connecting plate is fixedly connected with an adjusting mechanism, the inner side of the upper end of the adjusting mechanism is slidably connected with a clamping mechanism, the inner side of one end of the clamping mechanism is fixedly connected with a positioning mechanism, and the other end of the clamping mechanism is fixedly connected with an electromagnet; the adjusting mechanism comprises an adjusting plate, a vertical hole groove is provided at the center of the adjusting plate, a transverse hole groove is provided at the inner side of one end of the adjusting plate, the clamping mechanism comprises a clamping rod, a threaded hole is provided at the inner side of one end of the clamping rod, and a clamping groove is provided at the inner side of the other end of the clamping rod, the positioning mechanism comprises a positioning block, the inner side of the positioning block is slidably connected with a moving block through a reset spring, and the end of the moving block away from the reset spring is fixedly connected with a rubber block.

[0008] As a further optimization of the present invention, a squeeze switch is fixedly connected to one side of the front end of the fixed base, and the squeeze switch is electrically connected to the electromagnet. Two electromagnets are provided and the electromagnets are parallel to each other.

[0009] As a further optimization of the present invention, the fixed base is parallel to the adjustment plate, the vertical hole groove is connected to the horizontal hole groove, a second locking bolt is installed inside the horizontal hole groove, and the second locking bolt is spirally connected to the clamping rod through a threaded hole.

[0010] As a further optimization of the present invention, there are two clamping rods, which are parallel to each other, and the bottom end of the clamping rod is connected to the adjustment plate through a vertical hole groove, and the angle between the clamping rod and the adjustment plate is 90°.

[0011] As a further optimization of the present invention, there are four positioning mechanisms, all of which are installed inside the clamping groove, a circuit board is installed inside the clamping groove, and the cross-section of the clamping groove is a rectangle.

[0012] As a further optimization of the present invention, the positioning block is welded and fixed to the clamping rod, and a circuit board is placed between the positioning block and the inner wall of the clamping groove.

[0013] As a further optimization of the present invention, the moving block is cylindrical, the vertical section of the rubber block is equal to the vertical section of the moving block, the rubber block and the moving block have the same axis, and two-thirds of the return spring is arranged inside the moving block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In the utility model, by providing an adjusting mechanism, a positioning mechanism and a clamping mechanism, in the process of clamping the circuit board, the edge of the circuit board is pre-positioned by the clamping rod, and then the circuit board is fixed by the electromagnet in cooperation with the moving column, which can prevent the edge of the circuit board from being clamped. The circuit board can be fixed by magnetic attraction, and the circuit board can be clamped quickly, and the spacing between the clamping rods can be adjusted to be suitable for circuit boards of different models, with a wider range of applications. At the same time, in the actual processing process, the fixing angle of the circuit board can be adjusted according to the operating habits of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 For this utility model Figure 1 Schematic diagram of the structure at A in the middle;

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

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

[0020] Figure 5 It is a schematic diagram of the positioning mechanism structure of the utility model.

[0021] In the figure: 1. Fixed base; 2. Auxiliary suction cup; 3. Squeeze switch; 4. First locking bolt; 5. Connecting plate;

[0022] 6. Adjustment mechanism; 61. Adjustment plate; 62. Vertical hole slot; 63. Horizontal hole slot;

[0023] 7. Clamping mechanism; 71. Clamping rod; 72. Clamping groove; 73. Threaded hole;

[0024] 8. Electromagnet;

[0025] 9. Positioning mechanism; 91. Positioning block; 92. Rubber block; 93. Moving block; 94. Return spring;

[0026] 10. Circuit board; 11. Second locking bolt. DETAILED DESCRIPTION

[0027] 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.

[0028] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0029] See also Figure 1-5 , the utility model provides a technical solution:

[0030] The clamping mechanism for the PCB board includes a fixed base 1, an auxiliary suction cup 2 and an extrusion switch 3 for controlling the on and off of the electromagnet 8. The two sides of the bottom end of the fixed base 1 are fixedly connected with the auxiliary suction cups 2 for positioning. The two sides of the top of the fixed base 1 are connected with connecting plates 5 through first locking bolts 4. The top of the connecting plate 5 is fixedly connected with an adjusting mechanism 6. The inner side of the upper end of the adjusting mechanism 6 is slidably connected with a clamping mechanism 7. The inner side of one end of the clamping mechanism 7 is fixedly connected with a positioning mechanism 9. The other end of the clamping mechanism 7 is fixedly connected with an electromagnet Iron 8; the adjusting mechanism 6 includes an adjusting plate 61, a vertical hole groove 62 is opened in the center of the adjusting plate 61, a transverse hole groove 63 is opened on the inner side of one end of the adjusting plate 61, the clamping mechanism 7 includes a clamping rod 71, a threaded hole 73 is opened on the inner side of one end of the clamping rod 71, a clamping groove 72 is opened on the inner side of the other end of the clamping rod 71, the positioning mechanism 9 includes a positioning block 91, a moving block 93 is slidably connected to the inner side of the positioning block 91 through a return spring 94, and a rubber block 92 is fixedly connected to the end of the moving block 93 away from the return spring 94.

[0031] As a further implementation of the present invention, a squeeze switch 3 is fixedly connected to one side of the front end of the fixed base 1, and the squeeze switch 3 is electrically connected to the electromagnet 8. Two electromagnets 8 are provided, and the electromagnets 8 are parallel to each other, and the on and off of the electromagnets 8 can be controlled by the squeeze switch 3;

[0032] As a further implementation of the present invention, the fixed base 1 is parallel to the adjustment plate 61, the vertical hole 62 is connected to the horizontal hole 63, a second locking bolt 11 is installed inside the horizontal hole 63, and the second locking bolt 11 is screwed to the clamping rod 71 through the threaded hole 73. Through the above arrangement, the position of the clamping rod 71 can be adjusted, and the stability of the connection between the clamping rod 71 and the adjustment plate 61 can be ensured after the adjustment is completed;

[0033] As a further implementation of the present invention, two clamping rods 71 ​​are provided, the clamping rods 71 ​​are parallel to each other, the bottom end of the clamping rod 71 is connected to the adjustment plate 61 through a vertical hole 62, and the angle formed between the clamping rod 71 and the adjustment plate 61 is 90°. Through the above-mentioned two clamping rods 71, the positions of both sides of the circuit board 10 can be stably clamped and fixed;

[0034] As a further implementation scheme of the present scheme, four positioning mechanisms 9 are provided, and all positioning mechanisms 9 are installed inside the clamping groove 72. A circuit board 10 is installed inside the clamping groove 72. The cross-section of the clamping groove 72 is rectangular. The positioning block 91 is welded and fixed to the clamping rod 71. The circuit board 10 is placed between the positioning block 91 and the inner wall of the clamping groove 72. The moving block 93 is cylindrical. The vertical cross-section of the rubber block 92 is equal to the vertical cross-section of the moving block 93. The rubber block 92 and the moving block 93 have the same axis. Two-thirds of the position of the reset spring 94 is set inside the moving block 93. Through the above arrangement, the positions of the two ends of the circuit board 10 can be stably limited, further improving the stability of the circuit board 10 after positioning.

[0035] Working process: The clamping mechanism is powered by an external power supply during use. When the circuit board 10 (PCB board) needs to be clamped and fixed, the staff first adjusts the distance between the clamping rods 71 ​​according to the length of the circuit board 10 to be clamped and fixed. The adjustment can be achieved through the second tightening bolt 11. After the adjustment is completed, according to the staff's habits, the angle of the connecting plate 5 can be adjusted by the first locking bolt 4, and then the angle of the clamping plate 71 can be adjusted. After the adjustment is completed, the staff places the circuit board 10 between the clamping rod 71 and the positioning mechanism 9. Position, and then press the squeezing switch 3 to control the electromagnet 8 to be energized, so that the moving block 93 can be adsorbed toward the direction of the electromagnet 8 through the electromagnet 8, and then the circuit board 10 can be fixed in the clamping groove 72 through the rubber block 92. With this arrangement, during the processing of the circuit board 10, it is fixed by magnetic attraction, the circuit board can be clamped quickly, and the distance between the clamping rods 71 ​​can be adjusted to be suitable for circuit boards of different models, with a wider range of applications. At the same time, during the actual processing process, the fixing angle of the circuit board 10 can be adjusted according to the operating habits of the staff.

[0036] 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 clamping mechanism for a PCB board, comprising a fixed base (1), an auxiliary suction cup (2) and a squeeze switch (3) for controlling the on and off of an electromagnet (8). Features: Auxiliary suction cups (2) for positioning are fixedly connected to both sides of the bottom end of the fixed base (1), and connecting plates (5) are connected to both sides of the top end of the fixed base (1) through first locking bolts (4). The top end of the connecting plate (5) is fixedly connected to an adjustment mechanism (6), and the inner side of the upper end of the adjustment mechanism (6) is slidably connected to a clamping mechanism (7), and the inner side of one end of the clamping mechanism (7) is fixedly connected to a positioning mechanism (9), and the other end of the clamping mechanism (7) is fixedly connected to an electromagnet (8); The adjusting mechanism (6) comprises an adjusting plate (61), a vertical hole groove (62) is provided at the center of the adjusting plate (61), a transverse hole groove (63) is provided on the inner side of one end of the adjusting plate (61), the clamping mechanism (7) comprises a clamping rod (71), a threaded hole (73) is provided on the inner side of one end of the clamping rod (71), a clamping groove (72) is provided on the inner side of the other end of the clamping rod (71), and the positioning mechanism (9) comprises a positioning block (91), a moving block (93) is slidably connected to the inner side of the positioning block (91) via a return spring (94), and a rubber block (92) is fixedly connected to the end of the moving block (93) away from the return spring (94).

2. The clamping mechanism for a PCB according to claim 1, Features: A squeeze switch (3) is fixedly connected to one side of the front end of the fixed base (1), and the squeeze switch (3) is electrically connected to an electromagnet (8). Two electromagnets (8) are provided, and the electromagnets (8) are parallel to each other.

3. The clamping mechanism for a PCB according to claim 1, Features: The fixed base (1) is parallel to the adjustment plate (61), the vertical hole groove (62) is connected to the transverse hole groove (63), a second locking bolt (11) is installed inside the transverse hole groove (63), and the second locking bolt (11) is screwed to the clamping rod (71) through a threaded hole (73).

4. The clamping mechanism for a PCB according to claim 1, Features: Two clamping rods (71) are provided, and the clamping rods (71) are parallel to each other. The bottom ends of the clamping rods (71) are connected to the adjustment plate (61) via vertical holes (62), and the angle between the clamping rods (71) and the adjustment plate (61) is 90°.

5. The clamping mechanism for a PCB board according to claim 1, Features: Four positioning mechanisms (9) are provided, and each of the positioning mechanisms (9) is installed inside a clamping groove (72). A circuit board (10) is installed inside the clamping groove (72), and the cross section of the clamping groove (72) is rectangular.

6. The clamping mechanism for a PCB board according to claim 1, Features: The positioning block (91) and the clamping rod (71) are welded and fixed, and a circuit board (10) is placed between the positioning block (91) and the inner wall of the clamping groove (72).

7. The clamping mechanism for a PCB according to claim 1, Features: The moving block (93) is cylindrical, the vertical section of the rubber block (92) is equal to the vertical section of the moving block (93), the rubber block (92) and the moving block (93) are coaxial, and two-thirds of the position of the return spring (94) is arranged inside the moving block (93).

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