Automatic feeding mechanism for circuit board welding machine

Abstract

The utility model relates to the technical field of circuit board welding, in particular to an automatic feeding mechanism for a circuit board welding machine, which comprises a mechanism body and conveying rollers, the inside of the mechanism body is rotatably connected with the conveying rollers, the two conveying rollers are both rotatably connected with a conveying belt, the outer wall of the mechanism body is fixedly connected with an empty box, and the empty box is fixedly connected with the conveying belt. The outer wall of the mechanism body is fixedly connected with a shell. A hand wheel in the guide device drives a worm to rotate, the worm drives a worm gear to rotate, the worm gear drives a pin shaft to rotate so as to drive a gear to rotate, the gear drives a rack to move, the rack drives a transverse column to move, the transverse column slides in an empty box, and the transverse column drives a guide column to move, so that the circuit board is guided. When the automatic feeding mechanism is used for automatically feeding the circuit board to the external welding machine, the guide device is used for guiding the circuit board on the conveying belt, the circuit board cannot incline, the subsequent welding of the circuit board cannot be influenced, and the feeding effect of the automatic feeding mechanism is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board welding, in particular to an automatic feeding mechanism for a circuit board welding machine. 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. When the circuit board is welded, an automatic feeding mechanism is required to feed the external welding machine.

[0003] For example, an automatic feeding mechanism for a circuit board welding machine with the authorization announcement number CN214443691U includes a base, a transport platform is fixedly connected to the top of the base, a feeding mechanism is provided on the top of the transport platform, and a side plate is fixedly connected to one side of the top of the transport platform. Although the above-mentioned document can realize the suction of debris into the suction cup, ensuring the cleanliness of the conveyor belt and the circuit board, and realizing automatic feeding, saving time and effort; however, when in use, the automatic feeding mechanism, in the process of automatically feeding the circuit board to the external welding machine, places the circuit board on the conveyor belt, and the conveyor belt drives the circuit board to move, so as to rotate and feed the external welding machine. Because when feeding, there is no guide structure inside the automatic feeding mechanism to guide the circuit board on the conveyor belt to avoid the circuit board from being skewed, which affects the subsequent welding of the circuit board, thereby reducing the feeding effect of the automatic feeding mechanism. Utility Model Content

[0004] The utility model aims to solve the problem of reducing the feeding effect of the automatic feeding mechanism, and proposes an automatic feeding mechanism for a circuit board welding machine.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An automatic feeding mechanism for a circuit board welding machine is designed, comprising a mechanism body and conveying rollers, the interior of the mechanism body is rotatably connected to the conveying rollers, and the two conveying rollers are rotatably connected to the conveyor belts, an empty box is fixedly connected to the outer wall of the mechanism body, a shell is fixedly connected to the outer wall of the mechanism body, a hydraulic cylinder is installed inside the shell, a push plate is installed at the output end of the hydraulic cylinder, the outer wall of the mechanism body is fixedly connected to a bent column, a baffle is fixedly connected to the end of the bent column, a guide device is provided inside the empty box, and a tensioning device is provided outside the mechanism body.

[0007] Preferably, the guide device includes a handwheel, a worm and a worm wheel, the handwheel is fixedly connected to the end of the worm, the worm is meshed with the worm wheel, the worm is rotatably connected to the empty box through a bearing, the worm wheel is fixedly connected to the gear through a pin shaft, and the gear is meshed with the rack.

[0008] Preferably, the rack is fixedly connected to the inside of the cross column, and the cross column is slidably connected to the inside of the empty box.

[0009] Preferably, the interior of the empty box is rotatably connected to a pin shaft, the end of the transverse column is fixedly connected to a guide column, and the outer wall of the mechanism body is fixedly connected to a curved plate.

[0010] Preferably, the tensioning device comprises an electric telescopic rod and a support frame, the output shaft of the electric telescopic rod is mounted on the outer wall of the support frame, and a roller is installed inside the support frame.

[0011] Preferably, the electric telescopic rod is installed on the surface of the curved plate, and the roller is in contact with the conveyor belt.

[0012] The utility model proposes an automatic feeding mechanism for a circuit board welding machine, which has the beneficial effects of: a hand wheel in a guide device drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the pin shaft to rotate, thereby driving the gear to rotate, the gear drives the rack to move, the rack drives the cross column to move, the cross column slides in the empty box, and the cross column drives the guide column to move to guide the circuit board. When the automatic feeding mechanism is set to automatically feed the circuit board to an external welding machine, the guide device is used to guide the circuit board on the conveyor belt, the circuit board will not be skewed, and the subsequent welding of the circuit board will not be affected, thereby improving the feeding effect of the automatic feeding mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A schematic diagram of a top view structure;

[0015] Figure 3 for Figure 1 A schematic diagram of the front view structure of

[0016] Figure 4 for Figure 3 A side view schematic diagram of the structure;

[0017] Figure 5 for Figure 2 A schematic diagram of the structure of the middle guide device;

[0018] Figure 6 for Figure 3 Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. Mechanism body, 2. Guide device, 201. Hand wheel, 202. Worm, 203. Worm wheel, 204. Gear, 205. Rack, 3. Cross column, 4. Empty box, 5. Take-up device, 501. Electric telescopic rod, 502. Support frame, 503. Roller, 6. Bend plate, 7. Guide column, 8. Bend column, 9. Baffle, 10. Push plate, 11. Hydraulic cylinder, 12. Shell, 13. Conveyor roller, 14. Conveyor belt. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings:

[0021] See attached Figure 1-6 In the present embodiment, an automatic feeding mechanism for a circuit board welding machine includes a mechanism body 1 and a conveying roller 13. The interior of the mechanism body 1 is rotatably connected to the conveying roller 13. Both conveying rollers 13 are rotatably connected to a conveyor belt 14. The circuit board is placed on the conveyor belt 14, and the external motor of the conveying roller 13 is started, thereby driving the conveying roller 13 to rotate and then driving the conveyor belt 14 to rotate. The conveyor belt 14 drives the circuit board to move. An empty box 4 is fixedly connected to the outer wall of the mechanism body 1. A shell 11 is fixedly connected to the outer wall of the mechanism body 1. A hydraulic cylinder 12 is installed inside the shell 11. The model of the hydraulic cylinder 12 is selected according to actual needs and can meet the work requirements. A push plate 10 is installed at the output end of the hydraulic cylinder 12. The hydraulic cylinder 12 drives the push plate 10 to move the push plate 10 to push the circuit board to an external welding machine for automatic feeding. The external welding machine welds the circuit board. The wall is fixedly connected to the curved column 8, and a baffle 9 is fixedly connected to the end of the curved column 8. A guide device 2 is provided inside the empty box 4, and a tensioning device 5 is provided outside the mechanism body 1. The guide device 2 includes a hand wheel 201, a worm 202 and a worm wheel 203. The hand wheel 201 is fixedly connected to the end of the worm 202. The hand wheel 201 drives the worm 202 to rotate. The worm 202 is meshed with the worm wheel 203. The worm 202 drives the worm wheel 203 to rotate. The worm 202 is rotatably connected to the empty box 4 through a bearing. The worm wheel 203 is fixedly connected to the gear 204 through a pin shaft. The worm wheel 203 drives the pin shaft to rotate, thereby driving the gear 204 to rotate. The gear 204 is meshed with the rack 205. The gear 204 drives the rack 205 to move. The rack 205 is fixedly connected to the inside of the cross column 3. The rack 205 drives the cross column 3 to move. The cross column 3 is slidably connected to the inside of the empty box 4, and the cross column 3 slides in the empty box 4.

[0022] The hand wheel 201 in the guide device 2 drives the worm 202 to rotate, the worm 202 drives the worm wheel 203 to rotate, the worm wheel 203 drives the pin shaft to rotate, thereby driving the gear 204 to rotate, the gear 204 drives the rack 205 to move, the rack 205 drives the cross column 3 to move, the cross column 3 slides in the empty box 4, and the cross column 3 drives the guide column 7 to move to guide the circuit board. When the automatic feeding mechanism is set to automatically feed the circuit board to the external welding machine, the guide device 2 is used to guide the circuit board on the conveyor belt 14, the circuit board will not be skewed, and will not affect the subsequent welding of the circuit board, thereby improving the feeding effect of the automatic feeding mechanism.

[0023] See attached Figure 1-6 : In this embodiment, the interior of the empty box 4 is rotatably connected to the pin shaft, and a guide column 7 is fixedly connected to the end of the cross column 3. The cross column 3 drives the guide column 7 to move to guide the circuit board. The outer wall of the mechanism body 1 is fixedly connected to the curved plate 6. The tensioning device 5 includes an electric telescopic rod 501 and a support frame 502. The model of the electric telescopic rod 501 is selected according to actual needs and can meet the work requirements. The output shaft of the electric telescopic rod 501 is installed on the outer wall of the support frame 502. The electric telescopic rod 501 drives the support frame 502 to descend. A roller 503 is installed inside the support frame 502. The support frame 502 drives the roller 503 to descend. The roller 503 drives the conveyor belt 14 to move and tighten the conveyor belt 14. The electric telescopic rod 501 is installed on the surface of the curved plate 6, and the roller 503 fits the conveyor belt 14.

[0024] Working principle:

[0025] When the automatic feeding mechanism of the circuit board welding machine is working, the staff first puts the circuit board on the conveyor belt 14, and then the staff rotates the guide devices 2 on both sides to guide the circuit board. After completion, the external motor of the conveyor roller 13 is started, thereby driving the conveyor roller 13 to rotate and then driving the conveyor belt 14 to rotate, and the conveyor belt 14 drives the circuit board to move. When the circuit board moves to the position of the baffle 9, the external motor of the conveyor roller 13 is stopped, and the hydraulic cylinder 12 is started. The hydraulic cylinder 12 drives the push plate 10 to move the push plate 10 to push the circuit board to the external welding machine for automatic feeding. The external welding machine welds the circuit board. When the external welding machine has finished welding, the outside of the conveyor roller 13 is started again, and the conveyor belt 14 moves the next circuit board to the position of the current plate 9. Repeat the above steps to push the circuit board to the external welding machine again. Repeat the above steps to continue to automatically feed the circuit board. When the conveyor belt 14 changes transmission, start the tensioning device 5 to tighten the conveyor belt 14. The specific guiding process and tensioning process are as follows:

[0026] 1. Guidance process:

[0027] The staff rotates the hand wheel 201, the hand wheel 201 drives the worm 202 to rotate, the worm 202 drives the worm wheel 203 to rotate, the worm wheel 203 drives the pin shaft to rotate, thereby driving the gear 204 to rotate, the gear 204 drives the rack 205 to move, the rack 205 drives the cross column 3 to move, the cross column 3 slides in the empty box 4, the cross column 3 drives the guide column 7 to move, so as to guide the circuit board, and after completion, the staff stops rotating the hand wheel 201;

[0028] 2.Tightening process:

[0029] The electric telescopic rod 501 is started, the electric telescopic rod 501 drives the support frame 502 to descend, the support frame 502 drives the roller 503 to descend, the roller 503 drives the conveyor belt 14 to move, and the conveyor belt 14 is tightened. After completion, the electric telescopic rod 501 is stopped.

[0030] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An automatic feeding mechanism for a circuit board welding machine, comprising a mechanism body (1) and a conveying roller (13), wherein the interior of the mechanism body (1) is rotatably connected to the conveying roller (13), and characterized in that: The two conveying rollers (13) are both rotatably connected to the conveyor belt (14); an empty box (4) is fixedly connected to the outer wall of the mechanism body (1); a shell (11) is fixedly connected to the outer wall of the mechanism body (1); a hydraulic cylinder (12) is installed inside the shell (11); a push plate (10) is installed at the output end of the hydraulic cylinder (12); the outer wall of the mechanism body (1) is fixedly connected to a curved column (8); a baffle (9) is fixedly connected to the end of the curved column (8); a guide device (2) is provided inside the empty box (4); and a tensioning device (5) is provided outside the mechanism body (1).

2. The automatic feeding mechanism for a circuit board welding machine according to claim 1, characterized in that: The guide device (2) comprises a hand wheel (201), a worm (202) and a worm wheel (203); the hand wheel (201) is fixedly connected to the end of the worm (202); the worm (202) and the worm wheel (203) are meshed; the worm (202) is rotationally connected to the empty box (4) via a bearing; the worm wheel (203) is fixedly connected to a gear (204) via a pin shaft; and the gear (204) is meshed with a rack (205).

3. The automatic feeding mechanism for a circuit board welding machine according to claim 2, characterized in that: The rack (205) is fixedly connected to the inside of the cross column (3), and the cross column (3) is slidably connected to the inside of the empty box (4).

4. The automatic feeding mechanism for a circuit board welding machine according to claim 3, characterized in that: The interior of the empty box (4) is rotatably connected to a pin shaft, the end of the transverse column (3) is fixedly connected to a guide column (7), and the outer wall of the mechanism body (1) is fixedly connected to a curved plate (6).

5. The automatic feeding mechanism for a circuit board welding machine according to claim 1, characterized in that: The tensioning device (5) comprises an electric telescopic rod (501) and a support frame (502); the output shaft of the electric telescopic rod (501) is mounted on the outer wall of the support frame (502); and a roller (503) is mounted inside the support frame (502).

6. The automatic feeding mechanism for a circuit board welding machine according to claim 5, characterized in that: The electric telescopic rod (501) is installed on the surface of the curved plate (6), and the roller (503) is in contact with the conveyor belt (14).

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