Foot cutter

Abstract

The utility model discloses a foot cutting machine which comprises a foot cutting mechanism, a conveying mechanism and a material pushing mechanism, the foot cutting mechanism comprises a rack and a cutting wheel arranged on the rack, and a power piece used for driving the cutting wheel to rotate is arranged on the rack; the conveying mechanism comprises two guide rails arranged on the rack, bearing blocks used for bearing the circuit board are connected to the two guide rails in a sliding mode, and fixing assemblies used for fixing the circuit board are arranged on the bearing blocks; the circuit board feeding device has the advantages that under the action of the fixing assembly, the circuit board is fixed on the bearing block, under the thrust action of the push rod, the bearing block slides along the guide rail, and therefore the circuit board is driven to move, the circuit board is fixed on the bearing block, and the circuit board is fixed on the circuit board through the push rod. Abrasion of the circuit board is relieved, and the quality of the circuit board is improved.

Description

Technical Field

[0001] The utility model relates to the field of circuit board production, in particular to a pin cutting machine. Background Art

[0002] Pin cutting machine is the abbreviation of circuit board pin cutting machine. It is mainly used to cut off the excess pins of components after they are soldered to the circuit board. It is also called pin cutting machine, pin chopping machine, etc.

[0003] In the related technology, an intelligent foot cutting machine is proposed, including a frame, a blade, a blade holder for mounting the blade, a motor and a motor for driving the blade holder to rotate, and also including a clamping device arranged on the frame for clamping the circuit board to be cut, the clamping device including two lead screws installed on the frame in parallel with each other, each lead screw is provided with two adjusting nuts, and two clamping guide rails arranged parallel to each other and perpendicular to the lead screws, the bottom of the clamping guide rails is connected with the adjusting nuts on the same side of the two lead screws, a feed pressure plate is provided on the clamping guide rails, and also includes a pushing structure arranged on the frame for pushing the circuit board to be cut to slide toward the blade, guide grooves are provided on the two opposite side walls of the frame with a length extension direction consistent with the length direction of the clamping guide rails, the pushing structure includes two feed guide rails arranged parallel to each other and capable of sliding back and forth along the guide grooves, a baffle rod arranged between the feed guide rails and with two ends respectively connected to the end of the two feed guide rails away from the blades, and a push handle arranged on the baffle rod for pushing the feed guide rails to slide.

[0004] Regarding the above-mentioned related technologies, there are the following defects: when the circuit board is pushed to move by the feed guide rail, relative movement will occur between the circuit board and the clamping guide rail, and between the circuit board and the feed pressure plate, which will cause a certain amount of wear on the circuit board. The circuit board itself is a relatively precise component, which seriously affects the quality of the circuit board. Utility Model Content

[0005] The utility model aims to overcome the above technical deficiencies and proposes a foot cutting machine to solve the technical problem of relative sliding between a circuit board and a clamping guide rail, and between a circuit board and a feed pressing plate in the prior art.

[0006] In order to achieve the above technical purpose, the technical solution of the utility model provides a foot cutting machine, including a foot cutting mechanism, the foot cutting mechanism includes a frame and a cutting wheel arranged on the frame, and the frame is provided with a power part for driving the cutting wheel to rotate;

[0007] A conveying mechanism, the conveying mechanism comprising two guide rails arranged on the frame, the two guide rails are slidably connected with a bearing block for bearing the circuit board, and the bearing block is provided with a fixing component for fixing the circuit board; and,

[0008] The material pushing mechanism comprises a push rod slidably connected to the frame, and the push rod is used to abut against the circuit board.

[0009] In some embodiments, the power member includes a motor disposed on a frame, and an output shaft of the motor is coaxially connected to the cutting wheel.

[0010] In some embodiments, a protective plate is provided on the frame above the cutting wheel, and the protective plate is a transparent protective plate.

[0011] In some embodiments, the fixing assembly includes a negative pressure head disposed on the supporting block, the negative pressure head faces the supporting surface of the supporting block, a negative pressure fan is disposed on the frame, and the negative pressure head is connected to the inlet of the negative pressure fan through a pipe.

[0012] In some embodiments, a filter is provided at the opening of the negative pressure head.

[0013] In some embodiments, the filter screen is detachably connected to the negative pressure head.

[0014] In some embodiments, the negative pressure head is provided with a receiving groove for receiving the filter screen, the negative pressure head is provided with a socket, a plug rod is inserted into the socket, and the filter screen is provided with a slot corresponding to the socket.

[0015] In some embodiments, a spring is sleeved on the insertion rod, one end of the spring is connected to the insertion rod, and the other end of the spring is connected to the negative pressure head. The spring is in a stretched state, and the spring causes the insertion rod to tend to slide toward the filter.

[0016] In some embodiments, a connecting rod is provided between the two bearing blocks, two ends of the connecting rod are respectively connected to the two bearing blocks, and the connecting rod is connected to the push rod.

[0017] In some embodiments, the push rod is provided with a handle, and the protective plate is provided with an avoidance groove for avoiding the handle.

[0018] Compared with the prior art, the beneficial effects of the utility model include: under the action of the fixing component, the circuit board is fixed on the supporting block, and under the thrust of the push rod, the supporting block slides along the guide rail, thereby driving the circuit board to move, reducing the wear of the circuit board and improving the quality of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a foot cutting machine provided by the utility model;

[0020] Figure 2 The utility model provides a foot cutting machine Figure 1 Enlarged view of point A in the middle.

[0021] Description of reference numerals:

[0022] 1-cutting mechanism, 11-frame, 12-cutting wheel, 13-power part, 14-protective plate, 2-conveying mechanism, 21-guide rail, 22-circuit board, 23-bearing block, 24-limiting groove, 25-connecting rod, 3-pushing mechanism, 31-push rod, 32-handle, 33-avoidance groove, 4-fixing component, 41-negative pressure head, 42-negative pressure fan, 43-pipeline, 44-filter, 45-receiving groove, 46-jack, 47-insertion rod, 48-slot, 49-spring. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] The utility model provides a foot cutting machine, the structure of which is as follows Figure 1 - Figure 2 As shown, it includes a cutting mechanism 1, a conveying mechanism 2 and a pushing mechanism 3.

[0025] The cutting mechanism 1 comprises a frame 11 and a cutting wheel 12 rotatably connected to the frame 11 . A power member 13 for driving the cutting wheel 12 to rotate is disposed on the frame 11 .

[0026] The conveying mechanism 2 includes two parallel guide rails 21 fixedly connected to the frame 11, the cutting wheel 12 is located between the two guide rails 21, and the cutting wheel 12 is located below the guide rails 21. The two guide rails 21 are slidably connected along the length direction of the guide rails 21 with a supporting block 23 for placing the circuit board 22. The adjacent sides of the two supporting blocks 23 are provided with a limiting groove 24 for limiting the position of the circuit board 22, and the supporting block 23 is provided with a fixing component 4 for fixing the circuit board 22.

[0027] The pushing mechanism 3 includes a push rod 31 slidably connected to the frame 11 along the length direction of the guide rail 21 . The push rod 31 is located between the two guide rails 21 . The push rod 31 is located above the guide rails 21 . The push rod 31 is used to abut against one side of the circuit board 22 .

[0028] When in use, the power member 13 is started, and the power member 13 drives the cutting wheel 12 to rotate. The circuit board 22 is placed in the limiting grooves 24 on the two bearing blocks 23, and the circuit board 22 is fixed by the fixing assembly 4. The push rod 31 is abutted against one side of the circuit board 22, and the circuit board 22 is pushed to slide toward the cutting wheel 12, so that the redundant pins on the circuit board 22 are cut off. There is no relative sliding between the circuit board 22 and the guide rail 21, and between the circuit board 22 and the fixing assembly 4, which reduces the wear of the circuit board 22 and improves the quality of the circuit board 22.

[0029] In the utility model, under the action of the fixing component 4, the circuit board 22 is fixed on the supporting block 23. Under the thrust of the push rod 31, the supporting block 23 slides along the guide rail 21, thereby driving the circuit board 22 to move, reducing the wear of the circuit board 22 and improving the quality of the circuit board 22.

[0030] To drive the cutting wheel 12 to rotate, refer to Figure 1 In a preferred embodiment, the power member 13 includes a motor mounted on the frame 11 , the motor is located below the cutting wheel 12 , the output shaft of the motor faces upward, and the output shaft of the motor is coaxially connected to the cutting wheel 12 .

[0031] When in use, the motor is started, and the motor drives the cutting wheel 12 to rotate, thereby cutting off the redundant pins on the circuit board 22 .

[0032] For increased security, please refer to Figure 1 In a preferred embodiment, a protective plate 14 is provided on the frame 11 above the cutting wheel 12, one side of the protective plate 14 is hinged to the frame 11, and the other side of the protective plate 14 is movably connected to the frame 11, and the protective plate 14 is a transparent protective plate 14.

[0033] When in use, when cutting the pins on the circuit board 22, the protective plate 14 is covered to protect the staff and improve safety. Since the protective plate 14 is transparent, the cutting condition can still be observed through the protective plate 14, which is convenient for real-time response.

[0034] To fix the circuit board on the carrier block 23, please refer to Figure 2 In a preferred embodiment, the fixing assembly 4 includes a negative pressure head 41 arranged on the supporting block 23, the negative pressure head 41 faces the supporting surface of the supporting block 23, the top of the negative pressure head 41 is flush with the top of the supporting block 23, and a negative pressure fan 42 is installed on the frame 11, and the negative pressure head 41 is connected to the inlet of the negative pressure fan 42 through a pipe 43.

[0035] When in use, after placing the circuit board on the supporting block 23, start the negative pressure fan 42. Under the action of the negative pressure fan 42, a negative pressure environment is generated at the negative pressure head 41, thereby adsorbing the circuit board. The circuit board is evenly stressed, which reduces the possibility of damage to the circuit board and improves the production quality of the circuit board.

[0036] To prevent metal dust from entering the negative pressure head 41 and the negative pressure fan 42, please refer to Figure 2 In a preferred embodiment, a filter screen 44 is provided at the opening of the negative pressure head 41 .

[0037] During use, when cutting the pins on the circuit board, a large amount of metal dust will be generated. Under the isolation effect of the filter 44, the possibility of metal dust entering the negative pressure head 41 and the negative pressure fan 42 is reduced, the possibility of damage to the negative pressure head 41 and the negative pressure fan 42 is reduced, and the service life of the negative pressure head 41 and the negative pressure fan 42 is improved.

[0038] To facilitate the cleaning of metal dust on the filter 44, please refer to Figure 2 In a preferred embodiment, the filter screen 44 is detachably connected to the negative pressure head 41 .

[0039] During use, a large amount of metal dust is retained on the surface of the filter 44. Since the filter 44 is detachably connected to the negative pressure head 41, the filter 44 can be removed for cleaning, which makes the cleaning more thorough, improves the cleanliness and flatness of the filter 44, and reduces the possibility of damage to the circuit board.

[0040] In order to improve the convenience of installing and removing the filter 44, please refer to Figure 2 In a preferred embodiment, a receiving groove 45 for receiving a filter screen 44 is provided on the top of the negative pressure head 41, a socket 46 is provided on one side of the negative pressure head 41, an insertion rod 47 is slidably inserted into the socket 46, and a slot 48 corresponding to the socket 46 is provided on one side of the filter screen 44.

[0041] When in use, when installing the filter 44, place the filter 44 in the receiving groove 45, align the insertion hole 46 with the slot 48, slide the insertion rod 47 into the insertion hole 46 and the slot 48, and the filter 44 is fixed. When removing the filter 44, slide the insertion rod 47 out of the insertion hole 46 and the slot 48, and then take the filter 44 out of the receiving groove 45. The disassembly and assembly are convenient, which improves the work efficiency.

[0042] In order to improve the stability of the negative pressure head 41, please refer to Figure 2In a preferred embodiment, a spring 49 is sleeved on the insertion rod 47, one end of the spring 49 is fixedly connected to the insertion rod 47, and the other end of the spring 49 is fixedly connected to the negative pressure head 41. The spring 49 is in a stretched state, and the spring 49 causes the insertion rod 47 to have a tendency to slide toward the filter screen 44.

[0043] When in use, on the one hand, under the action of the restoring force of the spring 49, when the insertion hole 46 is aligned with the slot 48, the insertion rod 47 automatically rebounds into the slot 48, and the filter 44 is fixed, making the operation more convenient. On the other hand, under the action of the restoring force of the spring 49, the insertion rod 47 is not easy to loosen, and the fixation is more stable.

[0044] To improve the convenience of operation, please refer to Figure 2 In a preferred embodiment, a connecting rod 25 is provided between the two bearing blocks 23 , and both ends of the connecting rod 25 are respectively fixedly connected to the two bearing blocks 23 , and the connecting rod 25 is fixedly connected to the push rod 31 .

[0045] When in use, on the one hand, under the action of the connecting rod 25, the synchronization of the two bearing blocks 23 is improved, and there is no need to repeatedly adjust the positions of the two bearing blocks 23. On the other hand, the integrity of the push rod 31 and the two bearing blocks 23 is improved, and the push rod 31 can push and pull the two bearing blocks 23, making the operation more convenient.

[0046] For increased security, please refer to Figure 2 In a preferred embodiment, a handle 32 is fixedly connected to the top of the push rod 31 , the handle 32 is perpendicular to the push rod 31 , and an avoidance groove 33 for avoiding the handle 32 is opened on the protective plate 14 .

[0047] When in use, on the one hand, holding the handle 32 to push and pull the push rod 31 reduces the possibility of slipping, making the operation more convenient. On the other hand, the staff is kept away from the cutting wheel 12, thereby improving safety.

[0048] In order to better understand the present invention, the following Figure 1 - Figure 2 The working principle of the technical solution of a pin cutting machine of the utility model is described in detail: the power part 13 is started, and the power part 13 drives the cutting wheel 12 to rotate. The circuit board 22 is placed in the limiting groove 24 on the two bearing blocks 23, and the circuit board 22 is fixed by the fixing component 4. The push rod 31 is abutted against one side of the circuit board 22, and the circuit board 22 is pushed to slide toward the cutting wheel 12, so that the redundant pins on the circuit board 22 are cut off. There is no relative sliding between the circuit board 22 and the guide rail 21, and between the circuit board 22 and the fixing component 4, which reduces the wear of the circuit board 22 and improves the quality of the circuit board 22.

[0049] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A foot cutting machine, characterized in that: include: A cutting mechanism, the cutting mechanism comprising a frame and a cutting wheel arranged on the frame, wherein the frame is provided with a power member for driving the cutting wheel to rotate; A conveying mechanism, the conveying mechanism comprising two guide rails arranged on the frame, the two guide rails are slidably connected with a bearing block for bearing the circuit board, and the bearing block is provided with a fixing component for fixing the circuit board; and, The material pushing mechanism comprises a push rod slidably connected to the frame, and the push rod is used to abut against the circuit board.

2. A foot cutting machine according to claim 1, characterized in that: The power part comprises a motor arranged on a frame, and an output shaft of the motor is coaxially connected to the cutting wheel.

3. A foot cutting machine according to claim 1, characterized in that: A protective plate is provided on the frame above the cutting wheel, and the protective plate is a transparent protective plate.

4. A foot cutting machine according to claim 1, characterized in that: The fixing assembly comprises a negative pressure head arranged on the bearing block, the negative pressure head faces the bearing surface of the bearing block, a negative pressure fan is arranged on the frame, and the negative pressure head is connected with the inlet of the negative pressure fan through a pipeline.

5. A foot cutting machine according to claim 4, characterized in that: A filter screen is provided at the opening of the negative pressure head.

6. A foot cutting machine according to claim 5, characterized in that: The filter screen is detachably connected to the negative pressure head.

7. A foot cutting machine according to claim 6, characterized in that: The negative pressure head is provided with a receiving groove for receiving the filter screen, the negative pressure head is provided with a plug hole, a plug rod is inserted into the plug hole, and the filter screen is provided with a slot corresponding to the plug hole.

8. A foot cutting machine according to claim 7, characterized in that: A spring is sleeved on the insertion rod, one end of the spring is connected to the insertion rod, and the other end of the spring is connected to the negative pressure head. The spring is in a stretched state, and the spring causes the insertion rod to have a tendency to slide toward the filter screen.

9. A foot cutting machine according to claim 1, characterized in that: A connecting rod is arranged between the two bearing blocks, two ends of the connecting rod are respectively connected to the two bearing blocks, and the connecting rod is connected to the push rod.

10. A foot cutting machine according to claim 3, characterized in that: The push rod is provided with a handle, and the protective plate is provided with an avoidance groove for avoiding the handle.

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