Drilling machine capable of preventing edge breaking during sheet wood punching

Abstract

The utility model discloses a drilling machine capable of preventing edge breaking during sheet timber punching. The drilling machine comprises a base, a supporting frame is fixedly installed on the upper surface of the base, a supporting plate is fixedly installed on the upper surface of the supporting frame, a punching structure is arranged on the upper surface of the supporting plate, and a protection structure is arranged on the lower surface of the supporting plate. The punching structure is arranged, the connecting plate and the punching head can be driven by the driving assembly to descend, so that sheet wood can be punched, when the connecting plate descends, the piston rod can be driven to slide along the inner wall of the piston barrel, the drainage pipe is forced to suck water in an external water storage barrel into the piston barrel, and the punching effect is improved. And when the punching head ascends, the piston rod ascends synchronously, so that water in the piston barrel enters the annular spray head along the water inlet pipe, the punching head can be cooled by utilizing the water in the annular spray head, the punching head is effectively protected, and the problem that the punching head is damaged due to high temperature to cause edge breaking of a thin plate is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of wood punching, in particular to a drilling machine which can prevent edge breakage of thin wood during punching. Background Art

[0002] When punching holes in thin wood, most of the time, wood punching machines are used to punch holes in thin wood. However, when the punching machine punches holes in thin wood, the punching head will be in contact with the board for a long time, which will generate a lot of heat. The heat on the punching head cannot be cooled down quickly, which will damage the blade and cause the board to break when punching. Therefore, we propose a drilling machine that can prevent the edge of thin wood from breaking when punching holes. Utility Model Content

[0003] The utility model aims to provide a drilling machine which can prevent the edge of thin wood from being broken when punching holes, so as to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A drilling machine capable of preventing edge breakage when punching thin wood, comprising a base, a support frame fixedly mounted on the upper surface of the base, a support plate fixedly mounted on the upper surface of the support frame, a punching structure provided on the upper surface of the support plate, and a protective structure provided on the lower surface of the support plate;

[0006] The punching structure is composed of a punching assembly and a driving assembly. The punching assembly includes a punching lower die fixedly mounted on the upper surface of the base. A sliding groove is provided on the upper surface of the support plate. A guide column is slidably connected to the inner wall of the sliding groove. A connecting plate is fixedly mounted on the lower end of the guide column. A guide rod is slidably connected to the surface of the connecting plate. A clamping plate is fixedly mounted on the lower end of the guide rod. A punching head is fixedly mounted on the lower surface of the connecting plate. A through hole is provided on the upper surface of the clamping plate for the punching head to pass through. A cooling assembly capable of cooling the punching head is provided on the inner wall of the through hole.

[0007] The cooling assembly includes an annular nozzle fixedly mounted on the inner wall of the through hole, a piston cylinder fixedly mounted on the lower surface of the support plate, a piston rod slidably connected to the inner wall of the piston cylinder, the lower end of the piston rod is fixedly connected to the upper surface of the connecting plate, and a water inlet pipe and a drain pipe are respectively arranged on the surface of the piston cylinder;

[0008] The driving assembly includes two mounting frames fixedly mounted on the upper surface of the supporting plate, the inner walls of the two mounting frames are rotatably connected with the first spur gear, the opposite surfaces of the two mounting frames are rotatably connected with the second spur gear, and the two ends of the second spur gear are respectively fixedly connected with the opposite surfaces of the two first spur gears, the upper surface of the supporting plate is respectively fixedly mounted with a track groove block and a pneumatic telescopic rod, the inner wall of the track groove block is slidably connected with a limiting slider, the upper surface of the limiting slider is fixedly mounted with a first spur rack, the surface of the guide column is fixedly mounted with a second spur rack, and the telescopic end of the pneumatic telescopic rod is fixedly connected with the right side surface of the limiting slider.

[0009] Preferably, the first spur rack is meshed with the second spur gear for transmission, and the second spur rack is meshed with the first spur gear for transmission.

[0010] Preferably, one-way valves are provided on the surfaces of the water inlet pipe and the drainage pipe, and one end of the water inlet pipe extends to the inner wall of the annular nozzle, and one end of the drainage pipe is connected to an external water storage cylinder.

[0011] Preferably, a compression spring is sleeved on the surface of the guide rod, one end of the compression spring is fixedly connected to the upper surface of the clamping plate, and the other end of the compression spring is fixedly connected to the lower surface of the connecting plate.

[0012] Preferably, the protective structure includes a connecting rod rotatably mounted on the lower surface of the support plate, a baffle is fixedly mounted on the lower end of the connecting rod, the upper end of the connecting rod extends above the support plate and is fixedly connected to a third spur gear, and third spur racks are fixedly mounted on both side surfaces of the limiting slider.

[0013] Preferably, the third spur gear is meshed with the third spur rack for transmission, and the baffle is set to be L-shaped.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. The utility model provides a punching structure, and utilizes a driving assembly to drive the connecting plate and the punching head to descend, so that thin wood can be punched. When the connecting plate descends, the piston rod can be driven to slide along the inner wall of the piston cylinder, forcing the drain pipe to suck the water in the external water storage cylinder into the piston cylinder. When the punching head rises, the piston rod will rise synchronously, so that the water in the piston cylinder can enter the annular nozzle along the water inlet pipe. The water in the annular nozzle can be used to cool the punching head, effectively protecting the punching head and avoiding the problem of thin plate edge breakage caused by high temperature damage to the punching head.

[0016] 2. The utility model is provided with a protective structure. When the pneumatic telescopic rod is extended, the punching head can be driven to descend. At the same time, the third spur rack will drive the third spur gear to rotate clockwise, thereby driving the connecting rod to rotate. When the connecting rod rotates ninety degrees, the baffle can be used to push the operator's arm away from the stamping lower die, thereby avoiding the risk of the punching head crushing the operator. Moreover, when the punching head rises to reset, the third spur rack will drive the third spur gear to rotate counterclockwise, thereby driving the connecting rod and the baffle to rotate ninety degrees to expose the operating space, which is convenient for the operator to load materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure proposed for the utility model;

[0018] Figure 2 A schematic diagram of the three-dimensional structure of the driving component proposed for the utility model;

[0019] Figure 3 A schematic diagram of the front section structure proposed for the utility model;

[0020] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1 base, 2 support frame, 3 support plate, 4 stamping lower die, 5 guide column, 6 connecting plate, 7 guide rod, 8 clamping plate, 9 punching head, 10 annular nozzle, 11 piston cylinder, 12 piston rod, 13 water inlet pipe, 14 drain pipe, 15 installation frame, 16 first spur gear, 17 second spur gear, 18 track slot block, 19 pneumatic telescopic rod, 20 limit slider, 21 first spur rack, 22 second spur rack, 23 compression spring, 24 connecting rod, 25 baffle, 26 third spur gear, 27 third spur rack. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] Reference Figure 1-4A drilling machine capable of preventing edge breakage when punching thin wood comprises a base 1, a support frame 2 is fixedly mounted on the upper surface of the base 1, a support plate 3 is fixedly mounted on the upper surface of the support frame 2, a punching structure is arranged on the upper surface of the support plate 3, and the punching structure is composed of a stamping assembly and a driving assembly.

[0025] The stamping assembly includes a stamping lower die 4 fixedly mounted on the upper surface of the base 1, a sliding groove is provided on the upper surface of the support plate 3, a guide column 5 is slidably connected to the inner wall of the sliding groove, a connecting plate 6 is fixedly mounted on the lower end of the guide column 5, a guide rod 7 is slidably connected to the surface of the connecting plate 6, the lower end of the guide rod 7 extends to the bottom of the connecting plate 6 and is fixedly mounted with a clamping plate 8, a punching head 9 is fixedly mounted on the lower surface of the connecting plate 6, and a through hole is provided on the upper surface of the clamping plate 8 for the punching head 9 to pass through.

[0026] A compression spring 23 is sleeved on the surface of the guide rod 7, one end of the compression spring 23 is fixedly connected to the upper surface of the clamping plate 8, and the other end of the compression spring 23 is fixedly connected to the lower surface of the connecting plate 6. When the connecting plate 6 moves downward, the clamping plate 8 will first contact the stamping lower die 4. The connecting plate 6 continues to move downward to drive the compression spring 23 to contract, so that the elastic force of the compression spring 23 can be used to clamp the plate on the stamping lower die 4. After the plate is clamped by the clamping plate 8, the punching head 9 that continues to move downward will punch the plate.

[0027] The driving assembly includes two mounting frames 15 fixedly mounted on the upper surface of the support plate 3, the inner walls of the two mounting frames 15 are rotatably connected with a first spur gear 16, the opposite surfaces of the two mounting frames 15 are rotatably connected with a second spur gear 17, and the two ends of the second spur gear 17 are respectively fixedly connected with the opposite surfaces of the two first spur gears 16, the upper surface of the support plate 3 is respectively fixedly mounted with a track slot block 18 and a pneumatic telescopic rod 19, the inner wall of the track slot block 18 is slidably connected with a limiting slider 20, the upper surface of the limiting slider 20 is fixedly mounted with a first spur rack 21, the first spur rack 21 is meshed with the second spur gear 17 for transmission, the surface of the guide column 5 is fixedly mounted with a second spur rack 22, the second spur rack 22 is meshed with the first spur gear 16 for transmission, and the telescopic end of the pneumatic telescopic rod 19 is fixedly connected with the right side surface of the limiting slider 20.

[0028] Driving the pneumatic telescopic rod 19 can drive the limiting slider 20 to slide along the inner wall of the track slot block 18, thereby driving the first spur rack 21 to move synchronously. When the first spur rack 21 moves, it can mesh with the second spur gear 17 for transmission, thereby driving the first spur gear 16 to rotate. When the first spur gear 16 rotates, it can mesh with the second spur rack 22 for transmission, thereby driving the guide column 5 to move up and down. When the guide column 5 moves downward, it can drive the connecting plate 6 and the punching head 9 to descend, thereby punching the thin wood.

[0029] The inner wall of the through hole is provided with a cooling component which can cool the punching hole head 9, and the cooling component includes an annular nozzle 10 fixedly mounted on the inner wall of the through hole, and the water sprayed by the annular nozzle 10 is in mist form. A piston cylinder 11 is fixedly mounted on the lower surface of the support plate 3, and a piston rod 12 is slidably connected to the inner wall of the piston cylinder 11, and the lower end of the piston rod 12 is fixedly connected to the upper surface of the connecting plate 6, and a water inlet pipe 13 and a drain pipe 14 are respectively provided on the surface of the piston cylinder 11, and a one-way valve is provided on the surface of the water inlet pipe 13 and the drain pipe 14, and one end of the water inlet pipe 13 extends to the inner wall of the annular nozzle 10, and one end of the drain pipe 14 is connected to an external water storage cylinder.

[0030] When the connecting plate 6 descends, the piston rod 12 can be driven to slide along the inner wall of the piston cylinder 11, forcing the drain pipe 14 to suck the water in the external water storage cylinder into the piston cylinder 11. When the punching head 9 rises, the piston rod 12 will rise synchronously, so that the water in the piston cylinder 11 can enter the annular nozzle 10 along the water inlet pipe 13. The water in the annular nozzle 10 can be used to cool the punching head 9, effectively protecting the punching head 9 and avoiding the problem of broken edges of the thin plate caused by high temperature damage to the punching head 9.

[0031] A protective structure is provided on the lower surface of the support plate 3, and the protective structure includes a connecting rod 24 rotatably installed on the lower surface of the support plate 3, a baffle 25 is fixedly installed on the lower end of the connecting rod 24, and the shape of the baffle 25 is set to be L-shaped, the upper end of the connecting rod 24 extends to the top of the support plate 3, and is fixedly connected to a third spur gear 26, and third spur racks 27 are fixedly installed on both side surfaces of the limiting slider 20, and the third spur gear 26 is meshed with the third spur rack 27 for transmission.

[0032] When the pneumatic telescopic rod 19 is extended, it can drive the punching head 9 to descend to punch the plate. At the same time, the third spur rack 27 will drive the third spur gear 26 to rotate clockwise, thereby driving the connecting rod 24 to rotate. When the connecting rod 24 rotates ninety degrees, the baffle 25 can be used to push the operator's arm away from the stamping lower die 4, avoiding the risk of the punching head 9 crushing the operator. Moreover, when the punching head 9 rises to reset, the third spur rack 27 will drive the third spur gear 26 to rotate counterclockwise, thereby driving the connecting rod 24 and the baffle 25 to rotate ninety degrees to expose the operating space, which is convenient for the operator to load materials.

[0033] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drilling machine capable of preventing edge breakage when punching thin wood, comprising a base (1), characterized in that: A support frame (2) is fixedly mounted on the upper surface of the base (1), a support plate (3) is fixedly mounted on the upper surface of the support frame (2), a punching structure is provided on the upper surface of the support plate (3), and a protective structure is provided on the lower surface of the support plate (3); The punching structure is composed of a punching assembly and a driving assembly, wherein the punching assembly comprises a punching lower die (4) fixedly mounted on the upper surface of a base (1), a sliding groove is provided on the upper surface of a support plate (3), a guide column (5) is slidably connected to the inner wall of the sliding groove, a connecting plate (6) is fixedly mounted on the lower end of the guide column (5), a guide rod (7) is slidably connected to the surface of the connecting plate (6), a clamping plate (8) is fixedly mounted on the lower end of the guide rod (7), a punching head (9) is fixedly mounted on the lower surface of the connecting plate (6), a through hole for the punching head (9) to pass through is provided on the upper surface of the clamping plate (8), and a cooling component capable of cooling the punching head (9) is provided on the inner wall of the through hole; The cooling assembly comprises an annular nozzle (10) fixedly mounted on the inner wall of the through hole, a piston cylinder (11) fixedly mounted on the lower surface of the support plate (3), a piston rod (12) slidably connected to the inner wall of the piston cylinder (11), the lower end of the piston rod (12) is fixedly connected to the upper surface of the connecting plate (6), and a water inlet pipe (13) and a drain pipe (14) are respectively arranged on the surface of the piston cylinder (11); The driving assembly comprises two mounting frames (15) fixedly mounted on the upper surface of the support plate (3), the inner walls of the two mounting frames (15) are both rotatably connected with a first spur gear (16), the opposite surfaces of the two mounting frames (15) are rotatably connected with a second spur gear (17), and the two ends of the second spur gear (17) are respectively fixedly connected with the opposite surfaces of the two first spur gears (16), the upper surface of the support plate (3) is respectively fixedly mounted with a track slot block (18) and a pneumatic telescopic rod (19), the inner wall of the track slot block (18) is slidably connected with a limiting slider (20), the upper surface of the limiting slider (20) is fixedly mounted with a first spur rack (21), the surface of the guide column (5) is fixedly mounted with a second spur rack (22), and the telescopic end of the pneumatic telescopic rod (19) is fixedly connected with the right side surface of the limiting slider (20).

2. A drilling machine capable of preventing edge breakage when punching thin wood according to claim 1, characterized in that: The first spur rack (21) is meshed with the second spur gear (17) for transmission, and the second spur rack (22) is meshed with the first spur gear (16) for transmission.

3. A drilling machine capable of preventing edge breakage when punching thin wood according to claim 1, characterized in that: The surfaces of the water inlet pipe (13) and the drainage pipe (14) are both provided with one-way valves, and one end of the water inlet pipe (13) extends to the inner wall of the annular nozzle (10), and one end of the drainage pipe (14) is connected to an external water storage cylinder.

4. A drilling machine capable of preventing edge breakage when punching thin wood according to claim 1, characterized in that: A compression spring (23) is sleeved on the surface of the guide rod (7), one end of the compression spring (23) is fixedly connected to the upper surface of the clamping plate (8), and the other end of the compression spring (23) is fixedly connected to the lower surface of the connecting plate (6).

5. A drilling machine capable of preventing edge breakage when punching thin wood according to claim 1, characterized in that: The protective structure comprises a connecting rod (24) rotatably mounted on the lower surface of the support plate (3), a baffle (25) being fixedly mounted on the lower end of the connecting rod (24), an upper end of the connecting rod (24) extending above the support plate (3) and being fixedly connected to a third spur gear (26), and third spur racks (27) being fixedly mounted on both side surfaces of the limiting slider (20).

6. A drilling machine capable of preventing edge breakage when punching thin wood according to claim 5, characterized in that: The third spur gear (26) is meshed with the third spur rack (27) for transmission, and the baffle (25) is configured to be L-shaped.

Images