Walking type perforating machine

Abstract

The invention relates to the technical field of perforating machines, and discloses a hand-held perforating machine which comprises a base, a handrail and a fixing box are fixedly connected to the upper surface of the base, a first motor is fixedly connected to the upper surface of the fixing box, and the output end of the first motor penetrates through the interior of the fixing box and is fixedly provided with a threaded rod and a first gear. The outer wall of the threaded rod is in threaded connection with a perforating machine body, an auxiliary mechanism is arranged on the upper surface of the perforating machine body, an elastic piece is fixedly connected to the lower surface of the perforating machine body, a dust cover is fixedly connected to the lower surface of the elastic piece, and an air guide pipe is fixedly arranged in the fixing box. When the first motor drives the perforating machine body to move downwards through the threaded rod for perforating, the impeller guides the flow direction of airflow in a channel in the fixing box, dust generated by drilling in the dustproof cover is guided through the air guide pipe to enter the filtering box, and therefore dust collection and filtering during drilling are achieved, and the situation that the dust overflows and pollutes the environment is prevented.

Description

Technical Field

[0001] This invention relates to the field of drilling machine technology, specifically a hand-held drilling machine. Background Technology

[0002] Currently, electric drilling equipment is widely used in building decoration, carpentry and installation work to drill holes in tiles, wood panels, walls or other materials. Usually, workers need to hold the drilling equipment and bend or squat down to drill holes. Bending or squatting at a large angle repeatedly is relatively difficult and can easily cause damage to the waist and spine over time. In contrast, hand-held drilling machines can be operated manually without bending at a large angle. The operator can simply stand and lean forward slightly.

[0003] However, during the drilling process, existing handheld or ordinary drilling machines generate chips and fine dust that are ejected at high speed as the drill bit rotates. This not only pollutes the construction site environment but also easily falls into the equipment or adheres to the workpiece surface, affecting the processing quality of subsequent processes and thus impacting the use of the drilling machine. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a hand-held drilling machine that solves the problem that drilling debris and fine dust are ejected at high speed as the drill bit rotates, easily polluting the construction site environment.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a hand-held punching machine, comprising a base, a handrail and a fixed box fixedly connected to the upper surface of the base, a motor fixedly connected to the upper surface of the fixed box, the output end of the motor penetrating the interior of the fixed box and fixedly provided with a threaded rod and a gear, a punching machine body threadedly connected to the outer wall of the threaded rod, an auxiliary mechanism provided on the upper surface of the punching machine body, an elastic element fixedly connected to the lower surface of the punching machine body, a dust cover fixedly connected to the lower surface of the elastic element, an air guide pipe fixedly provided inside the fixed box, and the side of the air guide pipe away from the fixed box being located inside the dust cover, a filter box connected to the interior of the dust cover via a pipe, a gear two meshing with the tooth end of the gear one, a transmission rod fixedly connected inside the gear two, an impeller fixedly connected to the outer wall of the transmission rod, and an exhaust mechanism provided on the outer wall of the transmission rod.

[0006] The above technical solution utilizes a base as the supporting foundation for the entire machine, ensuring overall stability. Switches and control components are installed inside the handle, allowing the operator to support, push, and control the machine's posture. A motor drives the machine via a threaded rod and gear one. As gear one rotates, it transmits power to the impeller via gear two and a transmission rod. The impeller's rotation facilitates airflow through the intake channel inside the fixed housing. The combination of an air guide pipe, dust cover, and filter box facilitates dust collection and filtration during drilling, reducing dust accumulation at the drill bit.

[0007] Preferably, the auxiliary mechanism includes a slide rod, the bottom end of which is fixedly connected to the upper surface of the punching machine body, and a fixing plate is slidably connected to the outer wall of the slide rod, the outer wall of which is fixedly connected to the outer wall of the fixing box.

[0008] Preferably, the outer wall of the punching machine body is slidably connected to the inside of the fixed box, both ends of the transmission rod are rotatably connected to the inside of the fixed box, and the lower surface of the filter box is fixedly connected to the upper surface of the base.

[0009] Preferably, the exhaust mechanism includes a counterweight block, the interior of which is disposed on the outer wall of the transmission rod, a fixing rod is fixedly connected to the interior of the counterweight block, the outer wall of the fixing rod is disposed on the interior of the transmission rod, a vent plate is disposed on the outer wall of the counterweight block, a T-shaped rod is disposed on the lower side of the vent plate, and the outer wall of the T-shaped rod is slidably connected to the interior of the fixed box.

[0010] Preferably, one end of a spring is fixedly connected to the outer wall of the T-shaped rod, the other end of the spring is fixedly connected to the inside of the fixed box, a disc is fixedly connected to the bottom end of the T-shaped rod, an airbag is provided on the lower surface of the disc, the air outlet of the airbag is connected to the inside of the air guide tube, a rotating block is provided on the lower surface of the vent plate, and the outer wall of the rotating block is rotatably connected to the inside of the transmission rod.

[0011] Preferably, a limiting plate is fixedly connected to the outer wall of the transmission rod, and an air intake channel is provided inside the fixed box, with a grid plate installed in the air intake channel.

[0012] Preferably, the base is provided with a telescopic mechanism, which includes a second motor. The outer wall of the second motor is fixedly connected to the inside of the base. A reciprocating lead screw is fixedly provided at the output end of the second motor. The outer wall of the reciprocating lead screw is rotatably connected to the inside of the base. A transmission block is threadedly connected to the outer wall of the reciprocating lead screw. I-beams are rotatably connected to both sides of the transmission block.

[0013] Preferably, a movable plate is rotatably connected to the outer wall of the rear I-shaped frame, and a roller is fixedly connected to the lower surface of the movable plate. A U-shaped plate is rotatably connected to the outer wall of the front I-shaped frame, and a suction cup is rotatably connected to the inside of the U-shaped plate. The outer walls of both the movable plate and the U-shaped plate are slidably connected to the inside of the base.

[0014] Preferably, the outer wall of the suction cup is provided with a limiting mechanism, the limiting mechanism includes a circular block, the inside of the circular block is fixedly connected to the outer wall of the suction cup, the inside of the circular block is provided with a limiting rod, the rear side of the limiting rod is fixedly connected to a magnetic block two, the upper surface of the magnetic block two is fixedly connected to a trapezoidal block, and the outer wall of the trapezoidal block is slidably connected to the inside of the U-shaped plate.

[0015] Preferably, a magnetic block 1 is provided on the rear side of the second magnetic block, the outer wall of the first magnetic block is fixedly connected to the outer wall of the base, and the first magnetic block and the second magnetic block are magnetically attracted to each other. A magnetic block 3 is provided on the front side of the limiting rod, the outer wall of the third magnetic block is fixedly connected to the outer wall of the U-shaped plate, and the third magnetic block and the second magnetic block are magnetically attracted to each other.

[0016] Working principle: The drill bit of the drilling machine body is aligned with the drilling position. The motor drives the threaded rod to rotate, causing the drilling machine body to move downward. At the same time, a dust cover is installed on the outside of the drill bit of the drilling machine body. The dust cover is fixed by an elastic element. Under the elasticity of the elastic element, the dust cover can adapt to the downward movement of the drilling machine body. The dust generated by the drill bit of the drilling machine body is driven by the impeller, transmission rod, gear two, gear one and motor one. The outside air is guided through the air guide pipe to the dust inside the dust cover. The dust enters the filter box through the pipe, is filtered and discharged, thereby reducing the dust dispersion during drilling and avoiding impact on the environment and human health.

[0017] This invention provides a hand-held punching machine. It has the following advantages: 1. In this invention, when the drilling machine body is driven downward by a motor through a threaded rod to drill holes, a gear one drives a transmission rod through a gear two, causing the impeller to guide the airflow direction inside the fixed box. The airflow guides the dust generated during drilling inside the dust cover through the air guide pipe and into the filter box, thereby achieving dust collection and filtration during drilling. This not only keeps the drilling area clean and prevents dust from overflowing and polluting the environment, but also avoids dust accumulation that could cause the drill bit to jam, improving drilling efficiency. At the same time, it eliminates the need for workers to hold the drilling equipment and bend over or squat down to drill.

[0018] 2. When the punching machine body is fixed in position for punching, the transmission rod no longer rotates. The T-shaped rod is driven by the counterweight and the vent plate, which pushes the disc to squeeze the disc. The air is then discharged through the air pipe to the dust cover. Even if the impeller stops rotating, the airflow generated by the air bag can maintain the dust removal effect, avoiding the accumulation of dust inside the dust cover due to the punching machine body no longer moving, and ensuring the continuous dust removal effect during the punching process.

[0019] 3. The present invention uses a telescopic mechanism to move the moving plate and the U-shaped plate in opposite directions, thereby adjusting the distance between the roller and the suction cup, which can easily adapt to materials of different widths and improve the versatility of the punching machine. At the same time, the suction cup adsorption and roller locking form a double stabilizing structure to ensure the stability of the punching machine during use.

[0020] 4. The present invention facilitates the adjustment of the suction cup angle within the U-shaped plate by cooperating with the round block, the limiting rod, the second magnetic block, the trapezoidal block, the third magnetic block and the first magnetic block. This is beneficial for dealing with inclined surfaces, corner positions or materials that are not completely flat, so as to achieve the leveling of the base. Attached Figure Description

[0021] Figure 1 This is a three-dimensional schematic diagram of the present invention; Figure 2 This is a partial structural diagram of the transmission rod of the present invention; Figure 3 This is a cross-sectional view of the internal structure of the fixed box of the present invention; Figure 4 This is a partial structural diagram of the breathable plate of the present invention; Figure 5 This is a partial structural diagram of the grid plate of the present invention; Figure 6 This is a schematic diagram of a partial structure of the suction cup of the present invention; Figure 7 This is a cross-sectional view of the internal structure of the base of the present invention; Figure 8 This is a schematic diagram of a partial structure of the circular block of the present invention.

[0022] The components include: 1. Base; 2. Handrail; 3. Fixing box; 4. Motor 1; 5. Threaded rod; 6. Drilling machine body; 7. Elastic element; 8. Dust cover; 9. Auxiliary mechanism; 91. Slide rod; 92. Fixing plate; 10. Gear 1; 11. Gear 2; 12. Transmission rod; 13. Impeller; 14. Exhaust mechanism; 141. Counterweight; 142. Fixing rod; 143. Ventilation plate; 144. T-shaped rod; 145. Spring; 146. Disc; 15. Air... 16. Air duct; 17. Filter box; 18. Rotating block; 19. Limiting plate; 20. Grid plate; 21. Telescopic mechanism; 211. Motor II; 212. Reciprocating screw; 213. Transmission block; 214. I-beam frame; 22. Moving plate; 23. Roller; 24. U-shaped plate; 25. Suction cup; 26. Magnetic block I; 27. Limiting mechanism; 271. Round block; 272. Limiting rod; 273. Magnetic block II; 274. Trapezoidal block; 275. Magnetic block III. Detailed Implementation

[0023] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please see the appendix Figure 1 -Appendix Figure 3 This invention provides a hand-held punching machine, including a base 1. A handrail 2 and a fixed box 3 are fixedly connected to the upper surface of the base 1. A motor 4 is fixedly connected to the upper surface of the fixed box 3. The output end of the motor 4 passes through the interior of the fixed box 3 and is fixedly provided with a threaded rod 5 and a gear 10. The outer wall of the threaded rod 5 is threadedly connected to the punching machine body 6. An auxiliary mechanism 9 is provided on the upper surface of the punching machine body 6. An elastic element 7 is fixedly connected to the lower surface of the punching machine body 6. A dust cover 8 is fixedly connected to the lower surface of the elastic element 7. An air guide pipe 16 is fixedly provided inside the fixed box 3, and the side of the air guide pipe 16 away from the fixed box 3 is located inside the dust cover 8. A filter box 17 is connected to the interior of the dust cover 8 through a pipe. A gear 11 is meshed with the tooth end of the gear 10. A transmission rod 12 is fixedly connected inside the gear 11. An impeller 13 is fixedly connected to the outer wall of the transmission rod 12. An exhaust mechanism 14 is provided on the outer wall of the transmission rod 12.

[0025] Specifically, the handle 2 allows for easy movement of the base 1 via a movable component located on its underside. The handle 2 also includes a switch and control mechanism, enabling drilling operations simply by holding the handle 2. This eliminates the need for workers to bend or squat while holding the drilling equipment. The internal structure of the fixed box 3 supports the rotation of the threaded rod 5. The elastic element 7 and dust cover 8 work together to allow the dust cover 8 to conform to the material as the drilling machine body 6 moves downwards, temporarily sealing the drilling location. The rotation of the impeller 13 guides the airflow in the internal channel of the fixed box 3, allowing the airflow to enter the dust cover 8 through the air guide pipe 16. This facilitates the dust to be discharged through the pipe to the filter box 17 for filtration, thereby achieving dust collection and filtration of the drilling machine body 6 during drilling. This not only keeps the drilling area clean and prevents dust from overflowing and polluting the environment, but also avoids dust accumulation that could cause the drill bit to jam, thus improving drilling efficiency. A one-way vane is provided on the side of the air guide pipe 16 near the fixed box 3, so that the airflow only flows through the air guide pipe 16 to the dust cover 8.

[0026] Please see the appendix Figure 1 -Appendix Figure 2 The auxiliary mechanism 9 includes a slide rod 91, the bottom end of which is fixedly connected to the upper surface of the punch body 6. A fixing plate 92 is slidably connected to the outer wall of the slide rod 91, and the outer wall of the fixing plate 92 is fixedly connected to the outer wall of the fixing box 3.

[0027] Specifically, the movement of the slide bar 91 is restricted by the fixing plate 92, and the fixing plate 92 is fixed to the fixing box 3, which facilitates the auxiliary limiting of the movement of the punching machine body 6.

[0028] Please see the appendix Figure 1 -Appendix Figure 3 The outer wall of the punching machine body 6 is slidably connected to the inside of the fixed box 3, both ends of the transmission rod 12 are rotatably connected to the inside of the fixed box 3, and the lower surface of the filter box 17 is fixedly connected to the upper surface of the base 1.

[0029] Specifically, a slider is provided on the rear side of the punching machine body 6 and slides inside the fixed box 3 to limit the movement of the punching machine body 6. The rotation of the transmission rod 12 is supported by the inside of the fixed box 3, and the base 1 fixes the filter box 17.

[0030] Please see the appendix Figure 3 -Appendix Figure 4The exhaust mechanism 14 includes a counterweight 141. The interior of the counterweight 141 is disposed on the outer wall of the transmission rod 12. A fixing rod 142 is fixedly connected to the interior of the counterweight 141. The outer wall of the fixing rod 142 is disposed inside the transmission rod 12. A vent plate 143 is disposed on the outer wall of the counterweight 141. A T-shaped rod 144 is disposed on the lower side of the vent plate 143. The outer wall of the T-shaped rod 144 is slidably connected to the interior of the fixed box 3.

[0031] Specifically, the vent plate 143 not only transmits the weight of the counterweight 141 to other components, but also avoids affecting the airflow in the internal channel of the fixed box 3. The counterweight 141 is fixed by the fixed rod 142. When the transmission rod 12 rotates, it drives the counterweight 141. When the counterweight 141 does not rotate, it can move downward under the action of gravity. The short plate inside the fixed box 3 restricts the movement of the T-shaped rod 144.

[0032] Please see the appendix Figure 3 -Appendix Figure 4 One end of a spring 145 is fixedly connected to the outer wall of the T-shaped rod 144, and the other end of the spring 145 is fixedly connected to the inside of the fixed box 3. A disc 146 is fixedly connected to the bottom end of the T-shaped rod 144. An airbag 15 is provided on the lower surface of the disc 146. The air outlet of the airbag 15 is connected to the inside of the air guide pipe 16. A rotating block 18 is provided on the lower surface of the vent plate 143. The outer wall of the rotating block 18 is rotatably connected to the inside of the transmission rod 12.

[0033] Specifically, the movement of the T-shaped rod 144 is limited by the spring 145, which also provides a restoring force for the T-shaped rod 144 and the ventilated plate 143. The ventilated plate 143 is equipped with T-shaped rods 144 and springs 145 on both sides, so that when the ventilated plate 143 moves downward under the weight of the counterweight 141, the airbag 15 is driven by the T-shaped rods 144 and the disc 146. The air inlet of the airbag 15 is located inside the fixed box 3, and the air outlet of the airbag 15 is equipped with a one-way plate, which is connected to the air guide pipe 16 through a pipe to facilitate the exhaust of the air guide pipe 16. The rotating block 18 rotates inside the transmission rod 12 through the short rod, so that it is subjected to the centrifugal force generated when the transmission rod 12 rotates, causing the rotating block 18 to unfold outward, thereby limiting the counterweight 141.

[0034] Please see the appendix Figure 3 -Appendix Figure 5 The outer wall of the transmission rod 12 is fixedly connected to the limiting plate 19, and the inside of the fixed box 3 is provided with an air intake channel, and the air intake channel is provided with a grid plate 20.

[0035] Specifically, the movement of the counterweight component is further limited by the setting of the limiting plate 19. The air intake channel opened inside the fixed box 3 facilitates the entry of outside air into the channel, thereby providing airflow guidance for the dust generated by the drilling machine. At the same time, a grid plate 20 is set on the outside of the air intake channel to prevent debris from entering the channel.

[0036] Please see the appendix Figure 5 -Appendix Figure 7 The base 1 is equipped with a telescopic mechanism 21. The telescopic mechanism 21 includes a second motor 211. The outer wall of the second motor 211 is fixedly connected to the inside of the base 1. The output end of the second motor 211 is fixedly equipped with a reciprocating lead screw 212. The outer wall of the reciprocating lead screw 212 is rotatably connected to the inside of the base 1. The outer wall of the reciprocating lead screw 212 is threadedly connected to a transmission block 213. Both sides of the transmission block 213 are rotatably connected to an I-shaped frame 214.

[0037] Specifically, the I-beam frame 214 is composed of a connecting plate and short rods on both sides, and is in the shape of an I-beam. It is connected to the transmission block 213, the moving plate 22 and the U-shaped plate 24 respectively. The I-beam frames 214 on both sides of the transmission block 213 are symmetrically arranged, and the transmission blocks 213 on both sides are also symmetrically arranged, which makes it easy for the moving plate 22 and the U-shaped plate 24 to move in opposite directions synchronously. The lower side of the transmission block 213 slides inside the base 1, thereby limiting the movement of the transmission block 213.

[0038] Please see the appendix Figure 6 -Appendix Figure 7 A movable plate 22 is rotatably connected to the outer wall of the rear I-beam frame 214. A roller 23 is fixedly connected to the lower surface of the movable plate 22. A U-shaped plate 24 is rotatably connected to the outer wall of the front I-beam frame 214. A suction cup 25 is rotatably connected to the inside of the U-shaped plate 24. The outer walls of the movable plate 22 and the U-shaped plate 24 are slidably connected to the inside of the base 1.

[0039] Specifically, the suction cup 25 is used to adhere to the ground or a smooth surface to achieve stable positioning of the punching machine. The roller 23 has a built-in electromagnetic lock to facilitate cooperation with the suction cup 25, forming a dual stable structure of suction cup 25 adsorption and wheel lock fixation. The base 1 is hollow inside to allow the moving plate 22 and U-shaped plate 24 to move, while also restricting the offset of the moving plate 22 and U-shaped plate 24.

[0040] Please see the appendix Figure 6 -Appendix Figure 8The outer wall of the suction cup 25 is provided with a limiting mechanism 27. The limiting mechanism 27 includes a circular block 271. The inside of the circular block 271 is fixedly connected to the outer wall of the suction cup 25. The inside of the circular block 271 is provided with a limiting rod 272. A magnetic block 273 is fixedly connected to the rear side of the limiting rod 272. A trapezoidal block 274 is fixedly connected to the upper surface of the magnetic block 273. The outer wall of the trapezoidal block 274 is slidably connected to the inside of the U-shaped plate 24.

[0041] Specifically, the circular block 271 has multiple grooves arranged in a ring to facilitate the movement of the limiting rod 272 as it rotates. The magnetic block 273 is positioned so that it can be magnetized by the magnetic components on both sides, thereby driving the limiting rod 272. The trapezoidal block 274 is positioned inverted inside the U-shaped plate 24 to support the movement of the magnetic block 273.

[0042] Please see the appendix Figure 8 A magnetic block 26 is provided on the rear side of magnetic block 273. The outer wall of magnetic block 26 is fixedly connected to the outer wall of base 1. Magnetic block 26 and magnetic block 273 are magnetically attracted to each other. A magnetic block 275 is provided on the front side of limit rod 272. The outer wall of magnetic block 275 is fixedly connected to the outer wall of U-shaped plate 24. Magnetic block 275 and magnetic block 273 are magnetically attracted to each other.

[0043] Specifically, the magnetic attraction of magnetic block 26 to magnetic block 273 is greater than that of magnetic block 275 to magnetic block 273. This makes it easier for the limiting rod 272 to stop the rotating component when magnetic block 273 moves closer to magnetic block 26 as the U-shaped plate 24 moves. The groove inside the U-shaped plate 24 is used for the sliding of trapezoidal block 274, thereby limiting the movement of magnetic block 273. When the U-shaped plate 24 moves magnetic block 273 away from magnetic block 26, magnetic block 275 attracts magnetic block 273, thereby limiting the rotating component. Magnetic block 26 and magnetic block 275 are fixed by the base 1 and the U-shaped plate 24 respectively.

[0044] Workflow: The base 1 is positioned at the processing location, aligning the drill bit of the drilling machine body 6 with the drilling position. Simultaneously, the electromagnetic lock on the roller 23 under the moving plate 22 is used for locking, while the suction cup 25 on the underside of the U-shaped plate 24 adheres to the ground or material surface, thus fixing the base 1 and reducing vibration and reaction force during drilling. Motor 4 drives gear 10 and threaded rod 5 to rotate, causing the drilling machine body 6 to move downwards inside the fixed box 3 to drill holes in the material. The lower surface of the dust cover 8 contacts the material, collecting the dust generated during drilling. The elastic element 7 accommodates the downward movement of the drilling machine body 6. Meanwhile, gear 10 drives gear 2 11 and transmission rod 12 to rotate, causing the impeller 13 to rotate. An air intake channel is provided inside the fixed box 3, allowing the impeller 13 to guide outside air through the air guide pipe 16 to the dust inside the dust cover 8, allowing the dust to pass through the pipe into the filter box 17 for filtration and discharge.

[0045] When motor 4 stops driving threaded rod 5 and gear 10 to continue rotating, keeping the drill bit of the drilling machine body 6 in position for continuous drilling, the rotating block 18 is no longer expanded by the centrifugal force of transmission rod 12 and retracts into the transmission rod 12 under its own gravity. This eliminates the restriction on counterweight 141 and vent plate 143, allowing vent plate 143 to move downwards under the gravity of counterweight 141. The fixed rod 142 slides inside transmission rod 12, and the limiting plate 19 restricts the movement of counterweight 141 and vent plate 143. When vent plate 143 moves downwards, it pushes T-shaped rod 144 downwards, which compresses airbag 15 through disc 146. This allows the air outlet of airbag 15 to continue venting dust from inside dust cover 8 through air pipe 16. This allows the drill bit of the drilling machine body 6 to guide dust inside dust cover 8 while maintaining its position for drilling, thus reducing dust accumulation.

[0046] When encountering materials wider than base 1, motor 211 drives reciprocating screw 212, causing the transmission blocks 213 on both sides to move towards the center of reciprocating screw 212. Through the setting of the formwork frame 214, the moving plates 22 and U-shaped plates 24 on both sides are pushed to move, thereby increasing the distance between roller 23 and suction cup 25, improving the adaptability of the punching machine. Before the U-shaped plate 24 moves outward, magnetic block 26 magnetically attracts magnetic block 273, causing magnetic block 273, trapezoidal block 274, and limiting rod 272 to move towards magnetic block 26. The movement of the suction cup 25 allows for angle adjustment of the circular block 271, facilitating leveling of the base 1 when encountering uneven ground. By manually pushing the second magnetic block 273 or moving it outside the U-shaped plate 24, the second magnetic block 273 separates from the first magnetic block 26. Multiple grooves are provided inside the circular block 271, and the third magnetic block 275 magnetically attracts the second magnetic block 273, causing the limiting rod 272 to slide into the interior of the circular block 271, thereby limiting the rotation of the suction cup 25 and ensuring its stability after rotation.

[0047] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hand-held puncher, comprising a base (1), the upper surface of the base (1) is fixedly connected with a handrail (2) and a fixed box (3), the upper surface of the fixed box (3) is fixedly connected with a motor one (4), the output end of the motor one (4) penetrates through the inside of the fixed box (3) and is fixedly provided with a threaded rod (5) and a gear one (10), the outer wall of the threaded rod (5) is threadedly connected with a puncher body (6), characterized in that, The upper surface of the punch body (6) is provided with an auxiliary mechanism (9), the lower surface of the punch body (6) is fixedly connected with an elastic member (7), the lower surface of the elastic member (7) is fixedly connected with a dust cover (8), the inside of the fixed box (3) is fixedly provided with an air guide pipe (16), and the side, away from the fixed box (3), of the air guide pipe (16) is arranged in the inside of the dust cover (8), the inside of the dust cover (8) is connected with a filter box (17) through a pipeline, the tooth end of the gear one (10) is engagedly connected with a gear two (11), the inside of the gear two (11) is fixedly connected with a transmission rod (12), the outer wall of the transmission rod (12) is fixedly connected with an impeller (13), and the outer wall of the transmission rod (12) is provided with an exhaust mechanism (14).

2. A walk-behind puncher according to claim 1, characterized in that The auxiliary mechanism (9) comprises a sliding rod (91), the bottom end of the sliding rod (91) is fixedly connected to the upper surface of the punch body (6), and the outer wall of the sliding rod (91) is slidably connected with a fixed plate (92).

3. A hand punch according to claim 1 wherein, The outer wall of the punch body (6) is slidably connected in the inside of the fixed box (3), both ends of the transmission rod (12) are rotatably connected in the inside of the fixed box (3), and the lower surface of the filter box (17) is fixedly connected to the upper surface of the base (1).

4. A hand punch according to claim 1 wherein, The exhaust mechanism (14) comprises a counterweight (141), the inside of the counterweight (141) is arranged on the outer wall of the transmission rod (12), the inside of the counterweight (141) is fixedly connected with a fixed rod (142), the outer wall of the fixed rod (142) is arranged in the inside of the transmission rod (12), the outer wall of the counterweight (141) is provided with a breathable plate (143), the lower side of the breathable plate (143) is provided with a T-shaped rod (144), and the outer wall of the T-shaped rod (144) is slidably connected in the inside of the fixed box (3).

5. A hand punch according to claim 4, wherein, One end of the spring (145) is fixedly connected to the outer wall of the T-shaped rod (144), the other end of the spring (145) is fixedly connected in the inside of the fixed box (3), the bottom end of the T-shaped rod (144) is fixedly connected with a disc (146), the lower surface of the disc (146) is provided with an air bag (15), the air outlet end of the air bag (15) is connected in the inside of the air guide pipe (16), the lower surface of the breathable plate (143) is provided with a rotating block (18), and the outer wall of the rotating block (18) is rotatably connected in the inside of the transmission rod (12).

6. A hand punch according to claim 1 wherein, The outer wall of the transmission rod (12) is fixedly connected with a limiting plate (19), and the inside of the fixed box (3) is provided with an air inlet channel and a grille (20).

7. A walk-behind puncher according to claim 1, characterized in that The inside of the base (1) is provided with a telescopic mechanism (21), the telescopic mechanism (21) includes motor two (211), the outer wall of motor two (211) is fixedly connected in the inside of base (1), the output end of motor two (211) is fixedly provided with reciprocating screw rod (212), the outer wall of reciprocating screw rod (212) is rotatably connected in the inside of base (1), the outer wall of reciprocating screw rod (212) is threadedly connected with transmission block (213), both sides of transmission block (213) are rotatably connected with I-shaped frame (214).

8. A hand punch according to claim 7, wherein, The outer wall of rear I-shaped frame (214) is rotatably connected with moving plate (22), the lower surface of moving plate (22) is fixedly connected with roller (23), the outer wall of front I-shaped frame (214) is rotatably connected with U-shaped plate (24), the inside of U-shaped plate (24) is rotatably connected with suction cup (25), the outer wall of moving plate (22) and U-shaped plate (24) is slidably connected in the inside of base (1).

9. A hand punch according to claim 8, wherein, The outer wall of suction cup (25) is provided with limiting mechanism (27), the limiting mechanism (27) includes round block (271), the inside of round block (271) is fixedly connected with the outer wall of suction cup (25), the inside of round block (271) is provided with limiting rod (272), the rear side of limiting rod (272) is fixedly connected with magnetic block two (273), the upper surface of magnetic block two (273) is fixedly connected with trapezoidal block (274), the outer wall of trapezoidal block (274) is slidably connected in the inside of U-shaped plate (24).

10. A hand punch according to claim 9, wherein, The rear side of magnetic block two (273) is provided with magnetic block one (26), the outer wall of magnetic block one (26) is fixedly connected with the outer wall of base (1), magnetic block one (26) and magnetic block two (273) are magnetically attracted, the front side of limiting rod (272) is provided with magnetic block three (275), the outer wall of magnetic block three (275) is fixedly connected with the outer wall of U-shaped plate (24), magnetic block three (275) and magnetic block two (273) are magnetically attracted.

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