Circuit board fixing device

Abstract

The utility model belongs to the technical field of circuit board production, and particularly relates to a circuit board fixing device which comprises a groove, a rotating shaft rotatably mounted in the bottom side of the groove, a servo motor mounted on the top side of a mounting plate, two supporting plates symmetrically mounted on the outer side of the rotating shaft, and a connecting plate mounted on the outer side of the bottom end of a connecting shaft. Two sliding grooves with downward openings are symmetrically formed in the bottom side of the mounting plate, sliding blocks are slidably mounted in the sliding grooves, the sliding blocks are connected with one ends of connecting plates in a matched mode through pin shafts, and right-angle clamping plates are mounted on the bottom sides of the sliding blocks. A servo motor is started, the servo motor drives a rotating shaft to rotate, a supporting plate rotates along with the rotating shaft, a connecting plate can be pushed to move, accordingly, a sliding block is driven to slide in a sliding groove, right-angle clamping plates are made to be close to or away from the circuit board, the right-angle clamping plates fix the two sides of the circuit board respectively, and stable clamping of the four side faces of the circuit boards of different sizes is achieved; and the clamping stability and effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board production technical field, concretely is a kind of circuit board fixing device. BACKGROUND

[0002] On the production line of circuit board, circuit board needs to be transferred from one processing area to another processing area, in the transfer process, in order to ensure the stability of circuit board, circuit board needs to be fixed, so a fixing device needs to be used.

[0003] A kind of mechanical arm for circuit board production fixing is disclosed in one Chinese patent with authorized announcement number CN209240059U, including main workbench, the top surface one side of main workbench is equipped with mechanical hand fixed seat, the top of mechanical hand fixed seat is equipped with main load-bearing arm, the top of main load-bearing arm is hinged with steering angle plate, the end of steering angle plate is equipped with vacuum chuck, the top surface other side of main workbench is bolted with fixed rack, fixed rack includes table plate support, the two sides of table plate support are equipped with telescopic component, in the utility model, the corner of entire assembly can be clamped and limited to circuit board, guarantee fixed effect, vacuum chuck is used, can realize that circuit board is well suctioned, while using vacuum chuck, the edge of circuit board is avoided to be damaged, while using vacuum chuck, circuit board can also be well fixed and suctioned.

[0004] But the above-mentioned device still has some problems, in actual application, when fixing circuit board, usually only two symmetrical sides of circuit board are fixed, and four sides of circuit board of different sizes cannot be fixed, so that circuit board is easily shaken in the transfer process, and the fixing effect of circuit board is reduced;Therefore, in view of the above problems, a kind of circuit board fixing device is proposed. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of prior art, solve the problems proposed in background art, the utility model proposes a kind of circuit board fixing device.

[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: A kind of circuit board fixing device described in the utility model, including bottom plate, bracket is installed in the top of the bottom plate, the bottom side of the bracket is installed with mounting plate, recess is opened in the inside of the mounting plate, rotating shaft is rotatably installed in the inside of the bottom side of the recess, servo motor is installed at the top side of the mounting plate, one end of the rotating shaft is connected with the output end of servo motor, two support plates are symmetrically installed on the outside of the rotating shaft, connecting shaft is rotatably installed in the inside of one end of the support plate, connecting plate is installed on the outside of the bottom end of the connecting shaft, two opening downwards sliding grooves are symmetrically opened in the inside of the bottom side of the mounting plate, the sliding groove is communicated with the recess, sliding block is slidably installed in the inside of the sliding groove, the one end of the connecting plate is connected with the sliding block by pin shaft cooperation, the included angle of the sliding groove and mounting plate right angle side is forty-five degrees, right angle clamp plate is installed on the bottom side of the sliding block, rubber pad is assembled on the inside of the right angle clamp plate, the fixation of four side surfaces of circuit board of different sizes is realized, and the stability and effect of clamping are improved.

[0007] Preferably, the top side of the bottom plate is provided with a mounting cavity, a support shaft is rotatably installed in the inside of the mounting cavity, a driven gear is installed on the outside of the middle end of the support shaft, a driving motor is installed on the inner wall of the mounting cavity, a driving gear is installed on the output end of the driving motor, and the driving gear and the driven gear are meshed with each other, the outer diameter of the driving gear is smaller than that of the driven gear, so that the circuit board can move horizontally and circularly, and the circuit board can be easily transferred to a processing table in different directions.

[0008] Preferably, the top end of the support shaft is provided with a mounting seat, a first rotating shaft is rotatably installed between the two sides of the mounting seat, a first shaft arm is assembled on the outside of the first rotating shaft, a first motor is installed on one side of the mounting seat, and one end of the first rotating shaft is connected with the output end of the first motor, so that the angle of the circuit board in the vertical direction can be adjusted, and the distance between the circuit board and the processing table can be shortened.

[0009] Preferably, a U-shaped seat is installed at one end of the first shaft arm, a second rotating shaft is rotatably installed between the two sides of the U-shaped seat, a second shaft arm is assembled on the outside of the second rotating shaft, a second motor is installed on one side of the U-shaped seat, one end of the second rotating shaft is connected with the output end of the second shaft arm, a pneumatic cylinder is installed on the top side of the second shaft arm, and the bracket is installed on the bottom side of the acting end of the pneumatic cylinder, so that the height between the circuit board and the processing table can be adjusted, and the circuit board can be stably placed on the top side of the processing table.

[0010] Preferably, the U-shaped seat and one side of the mounting seat are engraved with a plurality of scale lines, and the outer sides of the first rotating shaft and the second rotating shaft are provided with a pointing needle, the pointing needle is arranged in parallel with the first shaft arm and the second shaft arm respectively, the current angle position is read intuitively, and the accuracy of angle control of the circuit board is improved.

[0011] Preferably, the top side of the bottom plate is provided with a controller, and the controller is used for operation control of electrical elements in the device, so that the electrical elements in the device are controlled.

[0012] The utility model has the advantages that:

[0013] 1. The utility model discloses a starting servo motor, and the servo motor drives the rotating shaft to rotate, the supporting plate also rotates, and the connecting plate is pushed to move, so that the sliding block slides in the sliding groove, and the right-angle clamping plates are close to or away from the circuit board, the right-angle clamping plates are fixed to the two sides of the circuit board respectively, the four sides of the circuit board of different sizes are stably clamped, and the stability and effect of clamping are improved.

[0014] 2. The utility model discloses a driving motor drives the driving gear to rotate, the supporting shaft rotates at a slow speed, the mounting seat and the circuit board carry out horizontal circular motion, the first motor drives the first rotating shaft and the first shaft arm to rotate, the second motor drives the second rotating shaft and the second shaft arm to rotate, and the vertical angle of the first shaft arm, the second shaft arm and the circuit board is changed, the position of the pointing needle on the scale line on one side of the U-shaped seat and the mounting seat is observed, the accuracy of vertical angle control of the circuit board is realized, and the angle direction of the circuit board is adjusted arbitrarily according to different processing directions. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without paying creative labor.

[0016] Figure 1 It is the medium axle side view structural schematic diagram in the utility model;

[0017] Figure 2 It is the main body structure schematic diagram of circuit board fixing device;

[0018] Figure 3 It is the bottom view structural schematic diagram of circuit board fixing assembly;

[0019] Figure 4 It is the sectional view structural schematic diagram of circuit board fixing assembly;

[0020] Figure 5 Figure 1 is a structural schematic diagram of a circuit board fixing assembly angle adjusting assembly.

[0021] In the figure: 1, base plate; 2, support; 3, mounting plate; 4, groove; 5, rotating shaft; 6, servo motor; 7, support plate; 8, connecting shaft; 9, connecting plate; 10, sliding groove; 11, sliding block; 12, right-angle clamp plate; 13, rubber pad; 14, mounting cavity; 15, support shaft; 16, driven gear; 17, driving motor; 18, driving gear; 19, mounting seat; 20, first rotating shaft; 21, first shaft arm; 22, first motor; 23, U-shaped seat; 24, second rotating shaft; 25, second shaft arm; 26, second motor; 27, air cylinder; 28, scale line; 29, pointing needle; 30, controller. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4As shown, a circuit board fixing device, including the bottom plate 1, the top of the bottom plate 1 is installed with the support 2, the bottom side of the support 2 is installed with the mounting plate 3, the inside of the mounting plate 3 is provided with the recess 4, the inside of the bottom side of the recess 4 is rotatably installed with the rotating shaft 5, the top side of the mounting plate 3 is installed with the servo motor 6, one end of the rotating shaft 5 is connected with the output end of the servo motor 6, the outside of the rotating shaft 5 is symmetrically installed with two support plates 7, the inside of one end of the support plate 7 is rotatably installed with the connecting shaft 8, the bottom end of the outside of the connecting shaft 8 is installed with the connecting plate 9, the inside of the bottom side of the mounting plate 3 is symmetrically provided with two opening downward sliding grooves 10, the sliding groove 10 is communicated with the recess 4, the inside of the sliding groove 10 is slidably installed with the sliding block 11, the sliding block 11 is connected with one end of the connecting plate 9 through the pin shaft cooperation, the included angle between the sliding groove 10 and the mounting plate 3 is forty-five degrees, the bottom side of the sliding block 11 is installed with the right angle clamp plate 12, the inside of the right angle clamp plate 12 is equipped with the rubber pad 13, the top side of the bottom plate 1 is installed with the controller 30; When working, in practical application, when fixing the circuit board, usually only the two symmetrical sides of the circuit board are fixed, and the four sides of the circuit board of different sizes cannot be fixed, so that the circuit board is easy to shake during transfer, and the fixing effect of the circuit board is reduced, when the circuit board needs to be clamped, the controller 30 starts the servo motor 6, the servo motor 6 drives the rotating shaft 5 to rotate, when the rotating shaft 5 rotates, the two support plates 7 symmetrically installed on the outside of the rotating shaft 5 also rotate, when the support plate 7 rotates, the connecting plate 9 is pushed to move, so as to drive the sliding block 11 to slide in the sliding groove 10, because the included angle between the sliding groove 10 and the mounting plate 3 is forty-five degrees, when the two sliding blocks 11 move, they move in the inclined direction, so that the right angle clamp plates 12 approach or move away from each other, when they approach each other, the right angle clamp plates 12 fix the two sides of the circuit board respectively, and the rubber pad 13 can increase the friction and prevent scratching the circuit board, realizing stable clamping of the four sides of the circuit board of different sizes, and improving the stability and effect of clamping.

[0024] Please refer to Figure 1 、 2 , 3, 5, the top side of the bottom plate 1 is installed with the mounting cavity 14, the inside of the mounting cavity 14 is rotatably installed with the support shaft 15, the middle end of the outside of the support shaft 15 is installed with the driven gear 16, the inner wall of the mounting cavity 14 is installed with the driving motor 17, the output end of the driving motor 17 is installed with the driving gear 18, and the driving gear 18 and the driven gear 16 are meshed with each other, the outer diameter of the driving gear 18 is smaller than the outer diameter of the driven gear 16;

[0025] The top end of the support shaft 15 is provided with a mounting seat 19, a first rotating shaft 20 is rotatably arranged between the two sides of the mounting seat 19, the outer side of the first rotating shaft 20 is provided with a first shaft arm 21, one side of the mounting seat 19 is provided with a first motor 22, and one end of the first rotating shaft 20 is connected with the output end of the first motor 22 in a matched mode;

[0026] One end of the first shaft arm 21 is provided with a U-shaped seat 23, a second rotating shaft 24 is rotatably arranged between the two sides of the U-shaped seat 23, the outer side of the second rotating shaft 24 is provided with a second shaft arm 25, one side of the U-shaped seat 23 is provided with a second motor 26, one end of the second rotating shaft 24 is connected with the output end of the second shaft arm 25 in a matched mode, and the top side of the second shaft arm 25 is provided with a pneumatic cylinder 27, and the bracket 2 is arranged at the bottom side of the acting end of the pneumatic cylinder 27.

[0027] The one side of the U-shaped seat 23 and the mounting seat 19 is provided with a plurality of scale lines 28, and the outer sides of the first rotating shaft 20 and the second rotating shaft 24 are provided with a pointing needle 29, and the pointing needle 29 is arranged in parallel with the first shaft arm 21 and the second shaft arm 25 respectively; in operation, the circuit board needs to be transferred from one processing area to another processing area on the production line of the circuit board, and thus the azimuth angle of the circuit board needs to be adjusted, the controller 30 starts the driving motor 17, the driving motor 17 drives the driving gear 18 to rotate, the driving gear 18 and the driven gear 16 are meshed with each other, the outer diameter of the driving gear 18 is smaller than that of the driven gear 16, the support shaft 15 rotates at a slower speed, and the mounting seat 19 and the circuit board perform horizontal circular motion, so that the circuit board can be accurately transferred to the processing table position in different directions;

[0028] Meanwhile, the controller 30 starts the first motor 22 and the second motor 26, the first motor 22 drives the first rotating shaft 20 and the first shaft arm 21 to rotate, the second motor 26 drives the second rotating shaft 24 and the second shaft arm 25 to rotate, the vertical angle of the first shaft arm 21, the second shaft arm 25 and the circuit board is changed, the current vertical angle position can be directly read by observing the position of the pointing needle 29 on the scale line 28, the accuracy of the vertical angle control of the circuit board is improved, the vertical angle of the circuit board is adjusted according to different processing table heights and processing requirements, and the distance between the circuit board and the processing table is shortened;

[0029] When the height between the circuit board and the processing table needs to be adjusted, the controller 30 controls the pneumatic cylinder 27 to stretch and retract, so as to drive the entire circuit board fixing device and the circuit board to move up and down, so as to realize the adjustment of the height and facilitate the stable placement of the circuit board on the top side of the processing table or the removal of the circuit board from the top side of the processing table.

[0030] Working principle: the controller 30 starts the driving motor 17, the driving motor 17 drives the driving gear 18 to rotate, since the driving gear 18 and the driven gear 16 are engaged with each other, the outer diameter of the driving gear 18 is smaller than the outer diameter of the driven gear 16, which will make the supporting shaft 15 rotate at a slower speed, so that the mounting seat 19 and the circuit board move horizontally in a circle, so that the circuit board can be accurately transferred to the processing table position in different directions;

[0031] At the same time, the controller 30 starts the first motor 22 and the second motor 26, the first motor 22 drives the first rotating shaft 20 and the first shaft arm 21 to rotate, the second motor 26 drives the second rotating shaft 24 and the second shaft arm 25 to rotate, changes the vertical angle of the first shaft arm 21 and the second shaft arm 25 and the circuit board, through observing the position of the pointing needle 29 on the scale line 28, the current vertical angle position can be directly read, the accuracy of the vertical angle control of the circuit board is improved, the vertical angle of the circuit board is adjusted according to different processing table height and processing demand, and the distance between the circuit board and the processing table is shortened;

[0032] When it is necessary to adjust the height between the circuit board and the processing table, the controller 30 controls the cylinder 27 to stretch and retract, so that the whole circuit board fixing device and the circuit board move up and down, height adjustment is realized, and the circuit board can be stably placed on the top side of the processing table or taken away from the top side of the processing table;

[0033] When it is necessary to clamp the circuit board, the controller 30 starts the servo motor 6, the servo motor 6 drives the rotating shaft 5 to rotate, when the rotating shaft 5 rotates, the two support plates 7 symmetrically installed on the outer side of the rotating shaft 5 also rotate, when the support plates 7 rotate, the connecting plates 9 are pushed to move, so that the sliding blocks 11 slide in the sliding grooves 10, since the included angle between the sliding grooves 10 and the straight edges of the mounting plate 3 is forty-five degrees, when the two sliding blocks 11 move, they move in the inclined direction, so that the right-angle clamping plates 12 move away from or close to each other, when they move close to each other, the right-angle clamping plates 12 fix the two sides of the circuit board respectively, and the rubber pads 13 can increase the friction and prevent scratching the circuit board, so that stable clamping of the four sides of the circuit board of different sizes is realized, and the stability and effect of clamping are improved.

[0034] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A circuit board fixing device, characterized in that: The utility model provides a kind of automatic feeding device, including bottom plate (1), the bottom plate (1) is installed with support (2) right above, the bottom side of support (2) is installed with mounting plate (3), the inside of mounting plate (3) is equipped with recess (4), the inside of the bottom side of recess (4) is rotatably installed with rotating shaft (5), the top side of mounting plate (3) is installed with servo motor (6), the one end of rotating shaft (5) is connected with the output end of servo motor (6), the outside of rotating shaft (5) is installed with two support plates (7) symmetrically, the inside of the one end of support plate (7) is rotatably installed with connecting shaft (8), the outside of the bottom end of connecting shaft (8) is installed with connecting plate (9), the inside of the bottom side of mounting plate (3) is equipped with two open downward sliding groove (10) symmetrically, sliding groove (10) is communicated with recess (4) setting, the inside of sliding groove (10) is slidably installed with sliding block (11), sliding block (11) is connected with the one end of connecting plate (9) by pin shaft cooperation, the included angle of sliding groove (10) and mounting plate (3) right angle edge is forty-five degrees, the bottom side of sliding block (11) is installed with right angle clamp plate (12), the inside of right angle clamp plate (12) is equipped with rubber pad (13).

2. The circuit board securing apparatus of claim 1, wherein: The top side of the bottom plate (1) is installed with a mounting cavity (14), a support shaft (15) is rotatably installed inside the mounting cavity (14), a driven gear (16) is installed on the outer side of the middle end of the support shaft (15), a drive motor (17) is installed on the inner wall of the mounting cavity (14), an output end of the drive motor (17) is installed with a driving gear (18), and the driving gear (18) and the driven gear (16) are in meshing engagement, the outer diameter of the driving gear (18) is smaller than the outer diameter of the driven gear (16).

3. A circuit board securing device according to claim 2, wherein: The top end of the support shaft (15) is installed with a mounting seat (19), a first rotating shaft (20) is rotatably installed between the two sides of the mounting seat (19), a first shaft arm (21) is assembled on the outer side of the first rotating shaft (20), a first motor (22) is installed on one side of the mounting seat (19), and one end of the first rotating shaft (20) is connected with the output end of the first motor (22).

4. The circuit board securing apparatus of claim 3, wherein: One end of the first shaft arm (21) is installed with a U-shaped seat (23), a second rotating shaft (24) is rotatably installed between the two sides of the U-shaped seat (23), a second shaft arm (25) is assembled on the outer side of the second rotating shaft (24), a second motor (26) is installed on one side of the U-shaped seat (23), and one end of the second rotating shaft (24) is connected with the output end of the second shaft arm (25), a gas cylinder (27) is installed on the top side of the second shaft arm (25), and the support (2) is installed on the bottom side of the acting end of the gas cylinder (27).

5. A circuit board securing device according to claim 4, wherein: One side of the U-shaped seat (23) and the mounting seat (19) is engraved with a plurality of scale lines (28), and the outer sides of the first rotating shaft (20) and the second rotating shaft (24) are installed with a pointing needle (29), respectively.

6. The circuit board securing apparatus of claim 1, wherein: A controller (30) is mounted on the top side of the base plate (1) for controlling the operation of the electrical components inside the device.

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