Fixing device for automatic circuit board production equipment

Abstract

The invention discloses a fixing device for automatic circuit board production equipment, which comprises a base, and the bottom of the base is supported by supporting legs. The invention relates to the technical field of circuit board production, two ends of a circuit board are erected on a conveying belt, the conveying belt drives the circuit board to move, when the circuit board moves to a processing position, a driving mechanism drives sliding blocks on two sides to get close to each other, and the sliding blocks drive clamping rods to get close to each other synchronously; the clamping rods overcome the elastic force of the springs to move upwards when getting close to each other through the slopes, the tops of the clamping rods move to the position above the circuit board, the clamping rods can clamp the two sides of the circuit board, the four sides of the circuit board can be limited at the same time in cooperation with the limiting wheels, and then the four sides of the circuit board can be fixed after the circuit board is conveyed to a machining position; and the circuit board can be fixed to the dead center of a machining position, the stability of the circuit board during machining is effectively improved, the circuit board is prevented from shaking during machining, and the percent of pass of circuit board machining is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of circuit board production, and in particular to a fixing device for automatic circuit board production equipment. Background Art

[0002] A circuit board can be called a printed circuit board or a printed circuit board. A circuit board is composed of an integrated circuit, a quartz oscillator, a fine-tuning capacitor, and a printed circuit board. The names of circuit boards include: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. When processing circuit boards, a fixing device is required to limit the circuit boards.

[0003] During the automatic production of existing circuit boards, the circuit boards are transported by conveyor belts. After being transported to the processing position, pressure wheels are used to press the two ends of the circuit boards, and the conveyor belts are used to limit the position of the circuit boards. However, it is found during use that the limiting force of the existing circuit board fixing method is weak. During the circuit board processing, lateral movement is easily generated, resulting in a low qualified rate of circuit board production and inconvenience in use. Therefore, we propose a fixing device for automatic circuit board production equipment to solve the problem raised. Summary of the invention

[0004] The purpose of the present invention is to provide a fixing device for automatic circuit board production equipment, which achieves the purpose of enabling a clamping rod to clamp both sides of the circuit board, and cooperating with a limiting wheel to limit the four sides of the circuit board at the same time, so that after the circuit board is transported to the processing position, the four sides of the circuit board can be fixed, and the circuit board can be fixed in the center of the processing position, effectively improving the stability of the circuit board during processing, avoiding the shaking of the circuit board during processing, and effectively improving the qualified rate of circuit board processing.

[0005] To achieve the above object, the present invention provides the following technical solution: a fixing device for automatic circuit board production equipment, comprising a base, the bottom of the base is supported by legs, and sliding frames are symmetrically slidably arranged on the top of both sides of the base, wherein:

[0006] The top of the sliding frame is fixedly connected with a bracket, and the spacing between the brackets is adjusted by an adjustment mechanism. A conveyor belt is arranged on the inner side of the bracket near the top, and limit wheels are equidistantly distributed on the inner wall of the bracket near the conveyor belt. A support is fixedly connected to the middle part of the top of the base, and slopes are symmetrically arranged on both sides of the support. A support frame is fixedly connected to the upper part of the base corresponding to the support, and a turntable groove passes through the middle part of the support frame. The support frame is symmetrically connected with sliding grooves on both sides of the turntable groove, and a sliding block passes through the inside of the sliding groove;

[0007] The upper and lower ends of the sliding block are symmetrically fixedly connected to the limit plate, the middle of the sliding block and the limit plate are penetrated by a lifting groove, the inner side of the lifting groove is penetrated by a clamping rod, and a rubber pad is installed on the side of the clamping rod close to the middle of the support frame. The sliding blocks on both sides of the support frame are driven to approach or move away from each other through a driving mechanism, the bottom end of the clamping rod is fixedly connected to a baffle, a spring is sleeved on the clamping rod between the baffle and the limit plate, and a push rod is fixedly connected to the middle of the bottom end of the limit plate.

[0008] Preferably, the adjusting mechanism includes a slide groove, a slide groove is provided above the middle part of the sliding frame corresponding to the base, a sliding block is fixedly connected to the bottom of the sliding groove corresponding to the sliding groove, a screw rod threadably connected to the sliding block is rotatably connected in the slide groove, a first motor is installed on the outer side of the screw rod corresponding to the base, the shaft end of the first motor is fixedly connected to the screw rod, a guide groove is provided on the top of the base near both sides of the sliding frame, and a guide block is fixedly connected to the bottom of the guide groove corresponding to the sliding frame.

[0009] Preferably, the screw rod is provided with two sections of opposite external threads, and the screw rod is threadedly connected with the sliders on both sides respectively through the two sections of opposite external threads.

[0010] Preferably, the guide block and the guide groove are both T-shaped, and the outer dimension of the guide block matches the inner dimension of the guide groove.

[0011] Preferably, the sliding block is in the shape of a rectangular column, and the width of the sliding block matches the inner width of the sliding groove, and the width of the sliding groove is smaller than the width of the limiting plate.

[0012] Preferably, the clamping rod is in the shape of a rectangular column, and the outer dimensions of the clamping rod coincide with the inner dimensions of the lifting slot.

[0013] Preferably, the driving mechanism includes a second motor, a second motor is installed in the middle of the top of the support, a turntable is installed on the shaft end of the second motor located in the turntable groove, a connecting rod is fixedly connected to the side of the sliding block close to the top of the turntable, transmission grooves are symmetrically opened on the top of both sides of the turntable, and a transmission rod is fixedly connected to the bottom of the connecting rod corresponding to the transmission groove.

[0014] Preferably, the transmission groove is arc-shaped, and the inner width of the transmission groove matches the outer diameter of the transmission rod.

[0015] Preferably, the bottom end of the push rod is a spherical surface.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The two ends of the circuit board are mounted on the conveyor belt, and the circuit board is moved by the conveyor belt, and the two ends of the circuit board are limited by the limiting wheels, while the sliding blocks on the two sides of the support frame are in a state of being away from each other, and the top rod is pressed against the slope position by the spring, so that the top of the clamping rod is located below the circuit board. When the circuit board moves to the processing position, that is, just above the support frame, the driving mechanism drives the sliding blocks on the two sides to approach each other, and the sliding blocks drive the clamping rods to approach each other synchronously, and the ramp makes the clamping rods overcome the spring elastic force when they approach each other and move upward, so that the top of the clamping rod moves to the top of the circuit board, so that the clamping rod can clamp the two sides of the circuit board, and cooperate with the limiting wheels to limit the four sides of the circuit board at the same time, and then after the circuit board is transported to the processing position, the four sides of the circuit board can be fixed, and the circuit board can be fixed in the center of the processing position, which effectively improves the stability of the circuit board during processing, avoids the shaking of the circuit board during processing, and effectively improves the qualified rate of circuit board processing.

[0018] 2. In the present invention, when the first motor is working, it drives the screw to rotate, and the screw drives the sliders on both sides to move closer to or away from each other through two opposite external threads, and then drives the conveyor belts and the limiting wheels on both sides to move closer to or away from each other through the bracket, and guides the adjustment of the bracket through the guide groove and the guide block, so that the distance between the conveyor belts on both sides and the limiting wheels can be adjusted, and then circuit boards of different sizes can be transported and limited, and circuit boards of different sizes can be fixed in combination with the clamping components. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the side cross-sectional structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the support frame of the present invention;

[0022] Figure 4 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0023] Figure 5 For the present invention Figure 2 A schematic diagram of the partially enlarged structure at B in the middle;

[0024] Figure 6 For the present invention Figure 3 Schematic diagram of the partial enlarged structure at point C in the middle.

[0025] In the figure: 1. base; 2. support leg; 3. sliding frame; 4. bracket; 5. slide groove; 6. slider; 7. screw rod; 8. first motor; 9. guide groove; 10. guide block; 11. conveyor belt; 12. limiting wheel; 13. support; 14. ramp; 15. support frame; 16. turntable groove; 17. sliding groove; 18. sliding block; 19. limiting plate; 20. lifting groove; 21. clamping rod; 22. rubber pad; 23. second motor; 24. turntable; 25. connecting rod; 26. transmission groove; 27. transmission rod; 28. baffle; 29. ​​spring; 30. push rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Example:

[0028] See also Figures 1 to 6 The present invention provides a technical solution: a fixing device for automatic circuit board production equipment, comprising a base 1, the bottom of the base 1 is supported by legs 2, and sliding frames 3 are symmetrically slidably arranged on the top of both sides of the base 1, wherein:

[0029] A bracket 4 is fixedly connected to the top of the sliding frame 3, and the spacing between the brackets 4 is adjusted by an adjustment mechanism. A conveyor belt 11 is arranged on the inner side of the bracket 4 near the top, and limit wheels 12 are evenly distributed on the inner wall of the bracket 4 near the conveyor belt 11. A support 13 is fixedly connected to the middle of the top of the base 1, and slopes 14 are symmetrically arranged on both sides of the support 13. A support frame 15 is fixedly connected to the top of the base 1 corresponding to the support 13, and a turntable groove 16 is penetrated in the middle of the support frame 15. The support frame 15 is symmetrically connected to the two sides of the turntable groove 16, and a sliding groove 17 is symmetrically connected, and a sliding block 18 is penetrated inside the sliding groove 17;

[0030] The upper and lower ends of the sliding block 18 are symmetrically fixedly connected to the limit plate 19. The middle of the sliding block 18 and the limit plate 19 are penetrated by a lifting groove 20. The inner side of the lifting groove 20 is penetrated by a clamping rod 21. A rubber pad 22 is installed on the side of the clamping rod 21 close to the middle of the support frame 15. The sliding blocks 18 on both sides of the support frame 15 are driven to move closer to or away from each other through a driving mechanism. The bottom end of the clamping rod 21 is fixedly connected to a baffle 28. A spring 29 is sleeved on the clamping rod 21 between the baffle 28 and the limit plate 19. A top rod 30 is fixedly connected to the middle of the bottom end of the limit plate 19;

[0031] The two ends of the circuit board are mounted on the conveyor belt 11, and the circuit board is moved by the conveyor belt 11, and the two ends of the circuit board are limited by the limiting wheel 12, while the sliding blocks 18 on both sides of the support frame 15 are in a state of being away from each other, and the top rod 30 is pressed against the position of the slope 14 by the spring 29, so that the top of the clamping rod 21 is located below the circuit board. When the circuit board moves to the processing position, that is, just above the support frame 15, the driving mechanism drives the sliding blocks 18 on both sides to approach each other, and the sliding blocks 18 drive the clamping rod 21 to approach each other synchronously, and the ramp 14 makes the clamping rod 21 overcome the elastic force of the spring 29 when approaching each other, so that the top of the clamping rod 21 moves to the top of the circuit board, so that the clamping rod 21 can clamp the two sides of the circuit board, and cooperate with the limiting wheel 12 to limit the four sides of the circuit board at the same time, and then after the circuit board is transported to the processing position, the four sides of the circuit board can be fixed, and the circuit board can be fixed in the center of the processing position, which effectively improves the stability of the circuit board during processing, avoids the shaking of the circuit board during processing, and effectively improves the qualified rate of circuit board processing.

[0032] See also Figures 1 to 6 The adjusting mechanism includes a slide groove 5, a slide groove 5 is opened above the middle of the sliding frame 3 corresponding to the base 1, a slider 6 is fixedly connected to the bottom of the sliding frame 3 corresponding to the slide groove 5, a screw rod 7 threadedly connected to the slider 6 is rotatably connected in the slide groove 5, a first motor 8 is installed on the outer side of the base 1 corresponding to the screw rod 7, and the shaft end of the first motor 8 is fixedly connected to the screw rod 7, a guide groove 9 is opened on the top of the base 1 near both sides of the sliding frame 3, and a guide block 10 is fixedly connected to the bottom of the guide groove 9 corresponding to the sliding frame 3, and a total of two sections of opposite external threads are arranged on the screw rod 7, and the screw rod 7 is threadedly connected to the sliders 6 on both sides through the two sections of opposite external threads, and the guide The block 10 and the guide groove 9 are both T-shaped, and the external dimensions of the guide block 10 are consistent with the internal dimensions of the guide groove 9. When the first motor 8 is working, it drives the screw rod 7 to rotate, and the screw rod 7 drives the sliders 6 on both sides to move closer to or away from each other through two opposite external threads, and then drives the conveyor belts 11 and the limiting wheels 12 on both sides to move closer to or away from each other through the bracket 4, and guides the adjustment of the bracket 4 through the guide groove 9 and the guide block 10, which can adjust the distance between the conveyor belts 11 and the limiting wheels 12 on both sides, so that circuit boards of different sizes can be transported and limited, and circuit boards of different sizes can be fixed in combination with the clamping components.

[0033] See also Figures 1 to 6 The sliding block 18 is a rectangular column, and the width of the sliding block 18 is consistent with the inner width of the sliding groove 17, and the width of the sliding groove 17 is smaller than the width of the limiting plate 19. The clamping rod 21 is a rectangular column, and the outer dimensions of the clamping rod 21 are consistent with the inner dimensions of the lifting groove 20.

[0034] See also Figures 1 to 6The driving mechanism includes a second motor 23, a second motor 23 is installed at the middle of the top of the support 13, a turntable 24 is installed at the shaft end of the second motor 23 located in the turntable groove 16, a connecting rod 25 is fixedly connected to the sliding block 18 near the upper side of the turntable 24, transmission grooves 26 are symmetrically opened on the top of both sides of the turntable 24, and the connecting rod 25 is fixedly connected to the bottom of the corresponding transmission groove 26 with a transmission rod 27, the transmission groove 26 is arc-shaped, and the inner width of the transmission groove 26 coincides with the outer diameter of the transmission rod 27, and the bottom end of the top rod 30 is a spherical surface. When the second motor 23 is working, it can drive the turntable 24 to rotate. When the turntable 24 rotates, the arc-shaped transmission groove 26 cooperates with the transmission rod 27 to drive the connecting rods 25 on both sides to approach or move away from each other, thereby driving the sliding blocks 18 on both sides to approach or move away from each other, so that the sliding blocks 18 drive the clamping rods 21 on both sides to approach or move away from each other.

[0035] Working principle: This is a fixing device for automatic circuit board production equipment. Both ends of the circuit board are mounted on the conveyor belt 11. The conveyor belt 11 drives the circuit board to move. At the same time, the limiting wheels 12 limit the ends of the circuit board. The sliding blocks 18 on both sides of the support frame 15 are in a state of being away from each other. The spring 29 makes the top rod 30 press against the slope 14, so that the top of the clamping rod 21 is located below the circuit board. When the circuit board moves to the processing position, that is, just above the support frame 15, the driving mechanism drives the sliding blocks 18 on both sides to approach each other, and the sliding blocks 18 drive the clamping The rods 21 are synchronously approached to each other, and the ramp 14 enables the clamping rods 21 to overcome the elastic force of the spring 29 and move upward when approaching each other, so that the top of the clamping rod 21 moves to the top of the circuit board, so that the clamping rod 21 can clamp both sides of the circuit board, and cooperate with the limiting wheel 12 to limit the four sides of the circuit board at the same time, so that after the circuit board is transported to the processing position, the four sides of the circuit board can be fixed, and the circuit board can be fixed in the center of the processing position, which effectively improves the stability of the circuit board during processing, avoids the shaking of the circuit board during processing, and effectively improves the qualified rate of circuit board processing;

[0036] When the first motor 8 is working, it drives the screw rod 7 to rotate, and the screw rod 7 drives the sliders 6 on both sides to move closer to or away from each other through two opposite external threads, and then drives the conveyor belts 11 and the limiting wheels 12 on both sides to move closer to or away from each other through the bracket 4, and guides the adjustment of the bracket 4 through the guide groove 9 and the guide block 10, so that the spacing between the conveyor belts 11 and the limiting wheels 12 on both sides can be adjusted, so that circuit boards of different sizes can be transported and limited, and circuit boards of different sizes can be fixed in cooperation with the clamping components, and when the second motor 23 is working, it can drive the turntable 24 to rotate. When the turntable 24 rotates, the arc-shaped transmission groove 26 cooperates with the transmission rod 27 to drive the connecting rods 25 on both sides to move closer to or away from each other, and then drives the sliding blocks 18 on both sides to move closer to or away from each other, so that the sliding blocks 18 drive the clamping rods 21 on both sides to move closer to or away from each other.

[0037] 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 fixing device for automatic circuit board production equipment, comprising a base (1), characterized in that: The bottom of the base (1) is supported by legs (2), and sliding frames (3) are symmetrically slidably arranged on the tops of both sides of the base (1), wherein: The top of the sliding frame (3) is fixedly connected with a bracket (4), and the spacing between the brackets (4) is adjusted by an adjustment mechanism. A conveyor belt (11) is arranged on the inner side of the bracket (4) near the top, and limit wheels (12) are evenly distributed on the inner wall of the bracket (4) near the conveyor belt (11). A support (13) is fixedly connected to the middle of the top of the base (1), and slopes (14) are symmetrically arranged on both sides of the support (13). A support frame (15) is fixedly connected to the base (1) just above the support (13), and a turntable groove (16) passes through the middle of the support frame (15). The support frame (15) is symmetrically connected to the two sides of the turntable groove (16), and a sliding block (18) passes through the inside of the sliding groove (17); The upper and lower ends of the sliding block (18) are symmetrically fixedly connected to the limit plate (19); the middle parts of the sliding block (18) and the limit plate (19) are penetrated by a lifting groove (20); the inner side of the lifting groove (20) is penetrated by a clamping rod (21); a rubber pad (22) is installed on the side of the clamping rod (21) close to the middle part of the support frame (15); the sliding blocks (18) on both sides of the support frame (15) are driven to approach or move away from each other through a driving mechanism; the bottom end of the clamping rod (21) is fixedly connected to a baffle (28); a spring (29) is sleeved on the clamping rod (21) between the baffle (28) and the limit plate (19); and a push rod (30) is fixedly connected to the middle part of the bottom end of the limit plate (19).

2. A fixing device for automatic circuit board production equipment according to claim 1, characterized in that: The adjusting mechanism comprises a slide groove (5), the base (1) is provided with a slide groove (5) above the middle part of the sliding frame (3), the sliding frame (3) is fixedly connected with a slider (6) at the bottom of the slide groove (5), a screw rod (7) threadedly connected to the slider (6) is rotatably connected in the slide groove (5), a first motor (8) is installed on the outer side of the base (1) corresponding to the screw rod (7), the shaft end of the first motor (8) is fixedly connected to the screw rod (7), the base (1) is provided with a guide groove (9) at the top near both sides of the sliding frame (3), and the sliding frame (3) is fixedly connected with a guide block (10) at the bottom of the guide groove (9).

3. A fixing device for automatic circuit board production equipment according to claim 2, characterized in that: The screw rod (7) is provided with two sections of opposite external threads, and the screw rod (7) is threadedly connected with the sliders (6) on both sides through the two sections of opposite external threads.

4. A fixing device for automatic circuit board production equipment according to claim 2, characterized in that: The guide block (10) and the guide groove (9) are both T-shaped, and the external dimensions of the guide block (10) coincide with the internal dimensions of the guide groove (9).

5. A fixing device for automatic circuit board production equipment according to claim 1, characterized in that: The sliding block (18) is in the shape of a rectangular column, and the width of the sliding block (18) matches the inner width of the sliding groove (17), and the width of the sliding groove (17) is smaller than the width of the limiting plate (19).

6. A fixing device for automatic circuit board production equipment according to claim 1, characterized in that: The clamping rod (21) is in the shape of a rectangular column, and the outer dimensions of the clamping rod (21) coincide with the inner dimensions of the lifting slot (20).

7. A fixing device for automatic circuit board production equipment according to claim 1, characterized in that: The driving mechanism comprises a second motor (23), the second motor (23) is installed at the middle of the top end of the support (13), a turntable (24) is installed at the shaft end of the second motor (23) located in the turntable groove (16), a connecting rod (25) is fixedly connected to one side of the sliding block (18) close to the top of the turntable (24), transmission grooves (26) are symmetrically opened at the top of both sides of the turntable (24), and a transmission rod (27) is fixedly connected to the bottom of the connecting rod (25) corresponding to the transmission groove (26).

8. The fixing device for automatic circuit board production equipment according to claim 1, characterized in that: The transmission groove (26) is arc-shaped, and the inner width of the transmission groove (26) coincides with the outer diameter of the transmission rod (27).

9. A fixing device for automatic circuit board production equipment according to claim 1, characterized in that: The bottom end of the push rod (30) is a spherical surface.

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