Metal pipe punching device

Abstract

The present invention relates to the field of metal processing, and in particular to a metal pipe punching device, comprising a base plate, a positioning rod fixed above the base plate, support plates symmetrically provided on the upper and lower sides of the positioning rod, positioning holes penetrating the support plates, limit rods fixed to the support plates, the limit rods passing through the positioning rods and slidably connected to the positioning rods, an electric telescopic rod fixed to the positioning rod, a slider fixed to the end of the electric telescopic rod, the slider connected to two support plates via a push plate, one end of the push plate being provided on the support plate and hingedly connected to the support plate, a side plate fixed to the base plate, a slide provided on one side of the side plate, the slide being provided on the side plate via a lifting device, a drilling motor fixed to the slide, a drill bit connected to the output end of the drilling motor. This device can be used to drill metal pipes without deforming the metal pipes.

Description

Technical field

[0001] The invention relates to the field of metal processing, and in particular to a metal pipe punching device. [Background Technology]

[0002] A drilling machine is a general term for machinery and equipment that uses a tool that is harder and sharper than the target object to leave cylindrical holes or holes on the target object through rotary cutting or rotary extrusion. It is also called a drilling machine, punching machine, eyeleting machine, through-hole machine, etc. It achieves the desired effect by drilling holes in precision parts.

[0003] When drilling holes in metal pipes, there is no support inside the metal pipes because the metal pipes are hollow. For example, patent application number: CN201620003047.8 discloses a metal pipe drilling machine, in which a metal pipe fixing seat is provided on the support for fixing the metal pipe to be processed, and a fixing rod connected to a spiral cross bar is provided on the support. A rotating drill bit is provided on the spiral cross bar for drilling holes in the metal pipe below, and the rotating drill bit can move left and right with the spiral cross bar, thereby meeting the requirements of multi-hole processing on the metal pipe. However, when drilling holes in the metal pipes by this type of metal pipe drilling machine, there is no support inside the metal pipes, and the metal pipes are hollow. During the drilling process, the drill bit exerts a certain stress on the metal pipe, which can easily cause deformation of the metal pipe.

[0004] The present invention is proposed in view of the deficiencies in the prior art. [Summary of the invention]

[0005] The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art and provide a metal pipe punching device.

[0006] The present invention can be achieved through the following technical solutions:

[0007] The present invention discloses a metal pipe punching device, comprising a base plate, a positioning rod fixed above the base plate, support plates symmetrically arranged on the upper and lower sides of the positioning rod, the support plates are provided with positioning holes penetrating the support plates, limit rods are fixed on the support plates, the limit rods pass through the positioning rods and are slidably connected to the positioning rods, an electric telescopic rod is also fixed on the positioning rod, a slider is fixed on the end of the electric telescopic rod, the slider is connected to two support plates through a push plate, one end of the push plate is arranged on the support plate and hingedly connected to the support plate, the other end of the push plate is arranged on the slider and hingedly connected to the slider, the base plate is also fixed with a side plate, a slide is provided on one side of the side plate, the slide is arranged on the side plate through a lifting device, a drilling motor is also fixed on the slide, and the drilling motor output end The cam is provided with a plurality of fixing modules, and the fixing modules include a fixing groove provided on the fixing ring, a fixing plate slidably connected to the fixing groove, a fixing block is fixed to the bottom of the fixing plate, and a push rod is fixed to the fixing plate. A turntable rotatably connected to the fixing ring is also provided on one side of the fixing ring, and an arc-shaped slide groove is provided on the turntable at a position corresponding to the push rod. The end of the push rod is provided in the arc-shaped slide groove and slidably connected to the arc-shaped slide groove. An arc-shaped rack is also fixed to the bottom of the turntable, and a cylinder is also fixed on the bottom plate. A straight rack is fixed to the end of the piston rod of the cylinder, and the straight rack meshes with the aforementioned arc-shaped rack.When the metal pipe to be drilled passes through the two fixing mechanisms, the positioning rod is inserted into the metal pipe. When the position of the hole to be drilled on the metal pipe reaches just below the drill bit, the cylinder is started, the piston rod on the cylinder is extended, and the straight rack moves. Since the straight rack is meshed with the arc rack, and the turntable is rotated and connected with the fixed ring, the turntable rotates. Since a slide groove is provided on the turntable, the slide groove rotates with the turntable. Since the end of the push rod is provided in the slide groove and is slidably connected to the slide groove, and the fixed plate is slidably connected to the fixed groove on the fixed ring, when the slide groove rotates, the push rod moves close to the turntable axis, and the fixed plate moves with the push rod, and each fixed block moves toward the turntable axis. After the fixed blocks are in contact with the outer wall of the metal pipe, the metal pipe is fixed. After the metal pipe is fixed, the electric telescopic rod is started and the electric telescopic rod is extended. Since the upper limit rod of the support plate passes through the positioning rod and is slidably connected to the positioning rod, and the two sides of the push plate are respectively hinged with the support plate and the slider. When the electric telescopic rod is extended, the slider moves close to the support plate, and the two support plates move away from each other. The two supporting plates are separated from the metal pipe, and the drilled metal pipe is removed. The metal pipe can be drilled by the lifting device, and the metal pipe can be fixed by the various fixing blocks arranged around the metal pipe. The metal pipe is fixed by pressure in all directions, and the metal pipe is supported by the two supporting plates inside the metal pipe. When the metal pipe is drilled, the metal pipe will not shake, and the metal pipe will not deform.

[0008] Preferably, a limiting block is fixed to the end of each limiting rod.

[0009] Preferably, a spring is provided between the support plate and the positioning rod, one end of the spring being fixed to the support plate and the other end being fixed to the positioning rod, so that the support plate is driven to move by the spring, the force acting on the electric telescopic rod is reduced, and the service life of the electric telescopic rod can be effectively extended.

[0010] Preferably, the lifting device includes a lifting screw and a lifting slide rod provided on the side panel, wherein the lifting screw is driven to rotate by a lifting motor, the lifting screw passes through the slide and is threadedly connected to the slide, and the lifting slide rod passes through the slide and is slidably connected to the slide. By driving the lifting screw to rotate by the lifting motor, the slide can be smoothly raised and lowered.

[0011] Preferably, the bottom surface of the fixing block is an arc-shaped structure. The arc-shaped structure of the fixing block increases the contact area between the fixing block and the metal pipe, increases the friction with the metal pipe, and can effectively prevent the metal pipe from shaking during drilling.

[0012] Preferably, the positioning rod is further provided with a sliding sleeve slidably connected to the positioning rod, and a positioning plate is further fixed to the sliding sleeve, and a bolt is provided on the sliding sleeve and threadedly connected to the sliding sleeve. After the positioning plate is adjusted to a suitable position, the sliding sleeve is fixed to the positioning rod. When the metal tube is fixed, one end of the metal tube contacts the positioning plate and the metal tube is fixed, and the position to be drilled on the metal tube is directly below the drill bit.

[0013] Preferably, the base plate is further provided with a translation screw and a translation slide rod, the translation screw being driven to rotate by a translation motor, a slide plate being further provided above the base plate, the translation screw passing through the slide plate and being threadedly connected to the slide plate, the translation slide rod passing through the slide plate and being slidably connected to the slide plate, and a support rod being fixed to the slide plate. When the metal tube is fixed, one end of the metal tube is fixed to the support rod, and the translation screw is driven to rotate by the translation motor. When the translation screw rotates, the slide plate moves in the direction of the translation screw, and the other end of the metal tube smoothly passes through the two fixing rings, and the positioning rod is inserted into the metal tube, thereby automatically passing the metal tube through the fixing rings.

[0014] Compared with the existing technology, the present invention has the following advantages:

[0015] When drilling a hole in a metal pipe, the metal pipe is fixed by various fixing blocks arranged around the metal pipe, the metal pipe is fixed by pressure in all directions, and the metal pipe is supported by two supporting plates inside the metal pipe. When drilling a hole in the metal pipe, the metal pipe will not shake or deform.

Brief Description of the Drawings

[0016] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 A top view of the structure of the present invention;

[0019] Figure 3 for Figure 2 Cross-sectional view at AA in the middle;

[0020] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0021] Figure 5 This is a schematic structural diagram of another embodiment of the present invention;

[0022] Figure 6Schematic diagram of drilling a hole in a metal pipe;

[0023] In the figure: 1. bottom plate; 2. translation screw; 3. translation slide; 4. translation motor; 5. slide plate; 6. support rod; 7. positioning rod; 8. electric telescopic rod; 9. slide block; 10. support plate; 11. positioning hole; 12. limit rod; 13. spring; 14. limit block; 15. push plate; 16. fixing mechanism; 17. fixing ring; 18. fixing module; 19. fixing groove; 20. fixing plate; 21. fixing block; 22. push rod; 23. slide groove; 24. turntable; 25. arc rack; 26. cylinder; 27. straight rack; 28. side plate; 29. ​​lifting screw; 30. lifting slide; 31. lifting motor; 32. slide; 33. drilling motor; 34. drill bit; 35. sleeve; 36. positioning plate; 37. bolt; 38. metal pipe [Specific implementation method]

[0024] The embodiments of the present invention are described in detail below with reference to the accompanying drawings:

[0025] Example 1:

[0026] like Figures 1 to 4As shown, this embodiment discloses a metal pipe punching device, including a base plate 1, a positioning rod 7 is fixed above the base plate 1, and support plates 10 are symmetrically arranged on the upper and lower sides of the positioning rod 7. The support plate 10 is provided with positioning holes 11 that pass through the support plate 10, and limiting rods 12 are fixed on the support plates 10. The limiting rods 12 pass through the positioning rod 7 and are slidably connected to the positioning rod 7. An electric telescopic rod 8 is also fixed on the positioning rod 7, and a slider 9 is fixed at the end of the electric telescopic rod 8. The slider 9 is connected to the two support plates 10 through a push plate 15. One end of the push plate 15 is arranged on the support plate 10 and is hinged to the support plate 10, and the other end of the push plate 15 is arranged on the slider 9 and is hinged to the slider 9. A side plate 28 is also fixed on the base plate 1, and a slide 32 is provided on one side of the side plate 28. The slide 32 is arranged on the side plate 28 through a lifting device. A drilling motor 33 is also fixed on the slide 32, and a drill bit is connected to the output end of the drilling motor 33 34. A fixing mechanism 16 is symmetrically fixed on the base plate 1 on both sides of the drill bit 34. The fixing mechanism 16 includes a fixing ring 17 fixed to the base plate 1. A plurality of fixing modules 18 are provided on the fixing ring 17. The fixing module 18 includes a fixing groove 19 provided on the fixing ring 17. The fixing groove 19 is provided with a fixing plate 20 that is slidably connected to the fixing groove 19. A fixing block 21 is fixed to the bottom of the fixing plate 20. A push rod 22 is fixed to the fixing plate 20. A turntable 24 rotatably connected to the fixing ring 17 is also provided on one side of the fixing ring 17. An arc-shaped slide groove 23 is provided on the turntable 24 at a position corresponding to the push rod 22. The end of the push rod 22 is provided in the arc-shaped slide groove 23 and is slidably connected to the arc-shaped slide groove 23. An arc-shaped rack 25 is also fixed to the bottom of the turntable 24. A cylinder 26 is also fixed on the base plate 1. A straight rack 27 is fixed to the end of the piston rod of the cylinder 26. The straight rack 27 meshes with the aforementioned arc-shaped rack 25.The metal tube 38 to be drilled is passed through the two fixing mechanisms 16, and the positioning rod 7 is inserted into the metal tube 38. When the position of the hole to be drilled on the metal tube 38 reaches just below the drill bit 34, the cylinder 26 is started, the piston rod on the cylinder 26 is extended, and the straight rack 27 moves. Since the straight rack 27 is engaged with the arc rack 25, and the turntable 24 is rotatably connected to the fixed ring 17, the turntable 24 rotates. Since the turntable 24 is provided with a slide groove 23, the slide groove 23 rotates with the turntable 24. Since the end of the push rod 22 is set in the slide groove 23 and is slidably connected to the slide groove 23, the fixing plate 20 slides with the fixing groove 19 on the fixing ring 17. The electric telescopic rod 8 is connected to the rotating disk 24 by a dynamic connection. When the slide 23 rotates, the push rod 22 moves close to the axis of the turntable 24, the fixed plate 20 moves with the push rod 22, and each fixed block 21 moves toward the axis of the turntable 24. The fixed blocks 21 all contact the outer wall of the metal tube 38 to fix the metal tube 38. After the metal tube 38 is fixed, the electric telescopic rod 8 is started and the electric telescopic rod 8 is extended. Since the upper limit rod 12 on the support plate 10 passes through the positioning rod 7 and is slidably connected to the positioning rod 7, and the two sides of the push plate 15 are respectively hinged to the support plate 10 and the slider 9. When the electric telescopic rod 8 is extended, the slider 9 moves close to the support plate 10, and the two support plates 10 are spaced apart from each other. After the electric telescopic rod 8 is extended, the two support plates 10 are close to the inner wall of the metal tube 38. After the support plates 10 are attached to the metal tube 38, the lifting device is started, and the lifting device drives the slide 32 to descend. The drill bit 34 descends with the slide 32, and the drilling motor 33 drives the drill bit 34 to rotate at high speed. After the high-speed rotating drill bit 34 contacts the metal tube 38, it punches the metal tube 38. After the bottom of the drill bit 34 extends into the positioning hole 11 on the support plate 10, the drilling is completed, and the slide 32 is driven up by the lifting device, and the drill bit 34 is separated from the metal tube 38. The electric telescopic rod 8 is shortened, and the two support plates 10 are close to the metal tube 38. The tube 38 is separated, the cylinder 26 is started again, the piston rod on the cylinder 26 is shortened, the turntable 24 rotates in the opposite direction, the fixing block 21 is separated from the metal tube 38, and the drilled metal tube 38 is removed. The metal tube 38 can be drilled by this device, and when the metal tube 38 is drilled, the metal tube 38 is fixed by the various fixing blocks 21 arranged around the metal tube 38, and the metal tube 38 is fixed by pressure in all directions, and the metal tube 38 is supported by two support plates 10 inside the metal tube 38. When the metal tube 38 is drilled, the metal tube 38 will not shake and the metal tube 38 will not deform.

[0027] The lifting device includes a lifting screw 29 and a lifting slide 30 provided on the side plate 28. The lifting screw 29 is driven to rotate by a lifting motor 31. The lifting screw 29 passes through a slide 32 and is threadedly connected to the slide 32. The lifting slide 30 passes through the slide 32 and is slidably connected to the slide 32. By driving the lifting screw 29 to rotate by the lifting motor 31, the slide 32 can be smoothly raised and lowered.

[0028] The bottom surface of the fixing block 21 is an arc-shaped structure. The arc-shaped structure of the fixing block 21 increases the contact area between the fixing block 21 and the metal tube 38, increases the friction with the metal tube 38, and can effectively prevent the metal tube 38 from shaking during drilling.

[0029] Example 2:

[0030] This embodiment discloses a metal pipe punching device. Based on the structure and principle of the first embodiment, a limiting block 14 is fixed to the end of the limiting rod 12 of this embodiment.

[0031] Among them, a spring 13 is further provided between the support plate 10 and the positioning rod 7. One end of the spring 13 is fixed to the support plate 10, and the other end of the spring 13 is fixed to the positioning rod 7. The spring 13 drives the support plate 10 to move, reducing the force acting on the electric telescopic rod 8, which can effectively extend the service life of the electric telescopic rod 8.

[0032] Example 3:

[0033] like Figure 5 and Figure 6 As shown, this embodiment discloses a metal tube drilling device. Based on the structure and principle of Embodiment 1 or Embodiment 2, this embodiment further includes a sliding sleeve 35 slidably connected to the positioning rod 7 on the positioning rod 7. A positioning plate 36 is also fixed to the sliding sleeve 35, and a bolt 37 is provided on the sliding sleeve 35 and threadedly connected to the sliding sleeve 35. After the positioning plate 36 is adjusted to the appropriate position, the sliding sleeve 35 is fixed to the positioning rod 7. When the metal tube 38 is fixed, one end of the metal tube 38 contacts the positioning plate 36, and the metal tube 38 is fixed. The position to be drilled in the metal tube 38 is directly below the drill bit 34.

[0034] Example 4:

[0035] This embodiment discloses a metal tube punching device. Based on the structure and principle of any of the embodiments 1 to 3, a translation screw 2 and a translation slide 3 are further provided on the base plate 1 of this embodiment. The translation screw 2 is driven to rotate by a translation motor 4. A slide plate 5 is also provided above the base plate 1. The translation screw 2 passes through the slide plate 5 and is threadedly connected to the slide plate 5. The translation slide 3 passes through the slide plate 5 and is slidably connected to the slide plate 5. A support rod 6 is also fixed to the slide plate 5. When the metal tube 38 is fixed, one end of the metal tube 38 is fixed to the support rod 6. The translation screw 2 is driven to rotate by the translation motor 4. When the translation screw 2 rotates, the slide plate 5 moves in the direction of the translation screw 2. The other end of the metal tube 38 smoothly passes through the two fixing rings 17, and the positioning rod 7 penetrates into the metal tube 38, thereby automatically passing the metal tube 38 through the fixing rings 17.

[0036] The above description is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, various changes, modifications, substitutions and variations can be made to these embodiments without departing from the technical principles of the present invention. These changes, modifications, substitutions and variations should also be regarded as the scope of protection of the present invention.

Claims

1. A metal tube punching device, comprising a bottom plate, characterized in that: The top of described sliding panel also is provided with an interlock plate, and the interlock plate is hinged on the base plate, is fixed with a backing pin on the interlock plate, and an end of sliding panel withstands on the backing pin of interlock plate. The top end face of said sliding arm is fixedly provided with a toothed connecting strip which is cooperatively connected with said toothed connecting strip.

2. The metal pipe punching device according to claim 1, characterized in that: The ends of the limiting rods are all fixed with limiting blocks.

3. The metal tube punching device according to claim 1, characterized in that: The lifting device includes a lifting screw and a lifting slide rod arranged on the side plate. The lifting screw is driven to rotate by the lifting motor. The lifting screw passes through the slide and is threadedly connected to the slide. The lifting slide rod passes through the slide and is slidably connected to the slide.

4. The metal tube punching device according to claim 1, characterized in that: A translation screw and a translation slide rod are also provided on the base plate, and the translation screw rod is driven to rotate by a translation motor. A slide plate is also provided above the base plate, and the translation screw rod passes through the slide plate and is threadedly connected to the slide plate. The translation slide rod passes through the slide plate and is slidingly connected to the slide plate. A support rod is also fixed on the slide plate.

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