Pipe punching machine

Abstract

The utility model belongs to the technical field of pipe machining, and particularly relates to a pipe punching machine which comprises a machine table, a chamfering device and a punching device. The machine table is provided with a mounting surface, a transmission mechanism is arranged on the mounting surface, and the chamfering device and the punching device are arranged on the mounting surface along the transmission mechanism; the chamfering device comprises a first translation mechanism, a rotating mechanism and a chamfering scraper, the first translation mechanism is arranged on the mounting surface, the rotating mechanism is arranged on the first translation mechanism, the rotating mechanism comprises a rotating shaft, the chamfering scraper is arranged at the end part of the rotating shaft, and the chamfering scraper and the axis of the rotating shaft are obliquely arranged; the punching device comprises a second translation mechanism, a die holder, a supporting shaft and a punch, the second translation mechanism is arranged on the mounting surface, the die holder is arranged on the second translation mechanism, a positioning hole is formed in the die holder, the supporting shaft is arranged in the positioning hole, a guide hole is further formed in one side of the die holder, and the punch is arranged in the guide hole and connected with the punching driving part. Therefore, the pipe punching machine can achieve automatic chamfering and punching, and manual chamfering is replaced.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe processing, and in particular relates to a pipe punching machine. Background Art

[0002] Pipes are commonly used hardware with a wide range of uses. For example, most of the telescopic structural parts currently use pipe structures for the outer structural parts of the telescopic structure. In order to ensure that the position can be positioned after telescoping, it is usually necessary to set limiters on the pipe, such as limit holes. Therefore, it is necessary to punch holes on the pipe.

[0003] The Chinese patent document with publication number CN109676013B discloses a new type of fully automatic punching device with visual inspection of pipes, including a machine body, a feeding funnel, an upper frame, a lower frame and a discharging funnel; the feeding funnel, the upper frame, the lower frame and the discharging funnel are all arranged on the machine body; the lower frame is provided with a feeding station, a punching station, a turning station and a discharging station, the discharging end of the feeding funnel is connected to the feeding station, the discharging station is provided with a discharging funnel, the upper frame is located above the lower frame, and the upper frame is provided with a transport component and a first adjustment component; the punching station is provided with a punching die, the punching die The workstations include a first punching station, a second punching station, and a third punching station. The first punching station is provided with a first punching die, the second punching station is provided with a second punching die, the third punching station is provided with a third punching die, the flipping station is arranged between the second punching station and the third punching station, and the flipping station is provided with a flipping assembly; the feeding funnel is provided with a shaking plate, a pipe adjustment assembly and a top material assembly, the shaking plates are arranged at intervals at the bottom of the feeding funnel, the feeding station is provided with a pipe visual inspection assembly, and the punching die also includes a pipe pushing die assembly, a pipe waste cleaning assembly, and an oil supply and lubrication device.

[0004] Before punching, the pipe needs to be cut into a certain length to meet actual needs. After the pipe is cut, burrs will form on the port. In order to meet actual needs, the burrs on the port need to be removed. The technical solution of the above patent document is to directly punch the pipe. After the pipe is punched, a certain deformation will be formed or a cut will be punched on the port of the pipe. Therefore, burr removal usually relies on manual removal. Manual burr removal is labor-intensive and the chamfer of the port is uneven. Utility Model Content

[0005] The utility model aims to provide a pipe punching machine, which is used to solve the problem that the burrs on the pipe ports need to be removed manually in the prior art.

[0006] To achieve the above-mentioned purpose, the embodiment of the utility model provides a pipe punching machine for punching pipes, comprising a machine platform, a chamfering device and a punching device;

[0007] The machine platform is provided with a mounting surface, a transmission mechanism is provided on the mounting surface, and the chamfering device and the punching device are arranged on the mounting surface along the transmission mechanism;

[0008] The chamfering device comprises a first translation mechanism, a rotation mechanism and a chamfering scraper, wherein the first translation mechanism is arranged on the mounting surface, the rotation mechanism is arranged on the first translation mechanism, the rotation mechanism comprises a rotation shaft, the chamfering scraper is arranged at the end of the rotation shaft, and the chamfering scraper is arranged obliquely with respect to the axis of the rotation shaft;

[0009] The punching device includes a second translation mechanism, a die base, a support shaft and a punch. The second translation mechanism is arranged on the mounting surface, and the die base is arranged on the second translation mechanism. The die base is provided with a positioning hole, and the support shaft is arranged in the positioning hole. A guide hole is also provided on one side of the die base, and the punch is arranged in the guide hole and connected to the stamping drive member.

[0010] Furthermore, the punching device includes multiple groups; the punches of each punching device have different structures and are used to form different hole positions on the pipe.

[0011] Furthermore, the punch in the punching device closer to the output end of the transmission mechanism is a pressing punch, and the pressing punch is used to press down the edge of the formed hole to form a chamfer.

[0012] Furthermore, the punching device also includes a mounting seat, which is connected to the second translation mechanism, and a mounting cavity is provided in the mounting seat. The mold base is provided in the mounting cavity, and the mold base is suspended in the mounting cavity; the guide holes are provided on the four sides of the mold base.

[0013] Furthermore, the punches are arranged in two oppositely arranged guide holes, and clamping blocks are arranged in the other two oppositely arranged guide holes. Driving members are arranged around the mounting seat, and the driving members are connected to the corresponding punches or clamping blocks.

[0014] Furthermore, the chamfering device also includes a support seat and a pressing mechanism, the support seat is arranged at the front end of the chamfering knife, and the pressing mechanism includes a pressing block, which is arranged above the support seat and is used to press the end of the pipe on the support seat.

[0015] Furthermore, the support seat and the pressing mechanism are arranged on the first translation mechanism.

[0016] Furthermore, the pipe punching machine also includes a loading mechanism and a unloading mechanism, which are used for automatically loading and unloading the pipe;

[0017] The feeding mechanism includes a hopper, a chain lifting mechanism and a feeding robot. The hopper is arranged on the end side of the machine, the chain lifting mechanism is arranged at one end of the machine, one end of the chain lifting mechanism extends downwardly into one side of the hopper, and the other end is arranged on the mounting surface. The chain lifting mechanism is provided with a clamping block, and the clamping block is provided with a clamping groove; the feeding robot is arranged on the mounting surface, and is used for clamping the pipe on the chain lifting mechanism and moving it to the transmission mechanism.

[0018] Furthermore, a third translation mechanism is provided on the mounting surface, and a pneumatic clamp is provided on the third translation mechanism. The pneumatic clamp includes a plurality of groups of clamping jaws, and each of the clamping jaws is provided with a sensor.

[0019] Furthermore, the chamfering device and the punching device are symmetrically provided on both sides of the transmission mechanism, so that the pipe punching machine can process both ends of the pipe at the same time.

[0020] The above one or more technical solutions in the pipe punching machine provided by the embodiment of the utility model have at least the following technical effects:

[0021] The pipe to be punched is positioned on the transmission mechanism, which transports the pipe to one side of the chamfering device. The first translation mechanism pushes the rotating mechanism to translate, so that the chamfering scraper extends into the mouth of the pipe. The rotating mechanism drives the chamfering scraper to rotate, and the chamfering scraper can complete the chamfering of the pipe mouth. After the pipe mouth is chamfered, the first translation mechanism drives the pipe to move to the punching device, and the second translation mechanism drives the die base to move, so that the support shaft extends into the mouth of the pipe to support the pipe, and then the punch is driven by the punching drive to complete the punching of the pipe. Therefore, automatic chamfering and punching can be achieved, replacing manual chamfering. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 This is a structural diagram of a pipe punching machine provided in an embodiment of the utility model.

[0024] Figure 2 for Figure 1 A partial enlarged view of .

[0025] Figure 3 A structural diagram of a chamfering device for a pipe punching machine provided in an embodiment of the utility model.

[0026] Figure 4 A structural diagram of a punching device of a pipe punching machine provided in an embodiment of the utility model.

[0027] Figure 5 A cross-sectional view of a punching device of a pipe punching machine provided in an embodiment of the utility model.

[0028] Figure 6 A cross-sectional view of the other side of the punching device of the pipe punching machine provided in an embodiment of the utility model.

[0029] Figure 7 A structural diagram of the sensor installation of the pipe punching machine provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0031] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0033] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0034] In one embodiment of the pipe punching machine of the utility model, please refer to Figure 1 The pipe punching machine is used for punching pipes and punching through holes on the pipes. Specifically, the pipe punching machine includes a machine platform 100, a chamfering device 200 and a punching device 300.

[0035] The machine 100 is provided with a mounting surface 101, on which a transmission mechanism 400 is provided, and a chamfering device 200 and a punching device 300 are provided on the mounting surface 101 along the transmission mechanism 400. The pipe to be punched can be placed on the transmission mechanism 400, and the transmission mechanism 400 can gradually transport the pipe to the positions of the chamfering device 200 and the punching device 300. The chamfering device 200 performs chamfering on the opening of the pipe, and the punching device 300 performs punching on the pipe. Specifically, the transmission mechanism 400 can be a linear motor, a rodless cylinder, etc. In addition, a plurality of positioning seats can be provided on the transmission mechanism 400 to simultaneously position a plurality of pipes.

[0036] Please refer to Figure 3 The chamfering device 200 includes a first translation mechanism 210, a rotation mechanism 220 and a chamfering scraper 230. The first translation mechanism 210 is arranged on the mounting surface 101, and the rotation mechanism 220 is arranged on the first translation mechanism 210. Specifically, the first translation mechanism 210 is a linear module and is driven by a motor or a cylinder. The rotation mechanism 220 includes a rotating seat 221, a rotating shaft 222 and a driving motor 223. The rotating seat 221 is arranged on the first translation mechanism 210, the rotating shaft 222 is rotatably connected to the rotating seat 221, and the driving motor 223 is connected to the rotating shaft 222 to drive the rotating shaft 222 to rotate. The chamfering scraper 230 is arranged at the end of the rotating shaft 222, and the chamfering scraper 230 is inclined to the axis of the rotating shaft 222. Specifically, when the pipe is transported to one side of the chamfering device 200, the first translation mechanism 210 drives the rotating mechanism 220 to move as a whole, so that the chamfering scraper 230 at the end of the rotating shaft 222 extends into the end of the pipe and contacts the pipe mouth, and the rotating shaft 222 is driven by the rotating motor 223 to rotate, thereby chamfering the pipe mouth. Furthermore, the chamfering scraper 230 can be multiple groups, and they are used to chamfer the inner and outer sides of the pipe respectively.

[0037] Please refer to Figures 4 to 6The punching device 300 includes a second translation mechanism 310, a die base 320, a support shaft 330 and a punch 340. The second translation mechanism 310 is arranged on the mounting surface 101. The second translation mechanism 310 includes a support guide column 311 and a driving cylinder 312. The die base 320 is supported on the support guide column 311 of the second translation mechanism 310, and the driving cylinder 312 is connected to the die base 320, and the driving cylinder 312 pushes the die base 320 to translate along the support guide column 311. The die base 320 is provided with a positioning hole 321, and the support shaft 330 is arranged in the positioning hole 321. A guide hole 322 is also provided on one side of the die base 320. The punch 340 is arranged in the guide hole 322 and connected to the stamping drive 350. Specifically, when the chamfered pipe is transported to one side of the punching device 300 by the transmission mechanism 400, the second translation mechanism 310 drives the die base 320 to move, so that the pipe extends into the positioning hole 321, and the support shaft 322 extends into the pipe, thereby positioning the pipe, and the punching drive 350 drives the punch 340 to complete the punching process of the pipe. Further, the chamfering device 200 and the punching device 300 are symmetrically arranged on both sides of the transmission mechanism 400, so that the pipe punching machine processes both ends of the pipe at the same time.

[0038] Furthermore, the number of punching devices 300 can be multiple groups, and the punches 340 of the punching devices 300 have different structures, which are used to form different holes on the pipe. Therefore, different holes on the pipe can be punched.

[0039] Furthermore, the punch 340 in the punching device 300 closer to the output end of the transmission mechanism 400 is a pressing punch, which is used to press down the edge of the formed hole to form a chamfer, thereby avoiding the formation of burrs on the edge of the punched hole, and under the extrusion of the pressing punch, the burrs on the edge of the hole mouth can also be removed.

[0040] For further information, please refer to Figures 4 to 6 The punching device 300 further includes a mounting seat 360, and the mounting seat 360 is connected to the second translation mechanism 310. A mounting cavity 361 is provided in the mounting seat 360, and the die base 320 is provided in the mounting cavity 361, and the die base 320 is suspended in the mounting cavity 361. Specifically, a side plate is provided on the front side of the mounting seat 360, and the front side of the die base 320 is locked on the inner side of the side plate of the mounting seat 360, and a support member 362 extends on the inner side of the side plate, and the support rod is supported on the bottom side of the die base 320. Therefore, guide holes 341 can be provided on the four sides of the die base 320. Therefore, the corresponding punch 340 can be provided in the corresponding guide hole 323 according to actual needs.

[0041] Further, please refer to Figure 6Punches 340 are provided in two oppositely disposed guide holes 323, and clamping blocks 370 are provided in the other two oppositely disposed guide holes 323. Driving members are provided around the mounting base 360, and the driving members are connected to the corresponding punches 340 or clamping blocks 370. In this embodiment, when the pipe is positioned in the die base 320, the clamping blocks 370 can clamp the ends of the pipe, and then the two punches 340 complete the punching process, thereby providing stability of the punching.

[0042] Further, refer to Figure 3 The chamfering device 200 also includes a support seat 240 and a pressing mechanism 250. The support seat 240 is arranged at the front end of the chamfering knife 230. The pressing mechanism 250 includes a pressing block 251 and a pressing driving member 252 for driving the pressing block 251 to descend, and the pressing block 251 is arranged above the support seat 240. Specifically, when the pipe is chamfered, the pressing block 251 is driven by the pressing driving member 252 to press the pipe against the support seat 240, thereby fixing the pipe and avoiding the problem of the pipe rotating during the chamfering process. Specifically, the support seat 240 and the pressing mechanism 250 are arranged on the first translation mechanism 210. They translate together with the first translation mechanism 210.

[0043] Further, refer to Figure 1 and Figure 2 The pipe punching machine also includes a feeding mechanism 500 and a feeding mechanism 600, which are used for automatic feeding and unloading of pipes to achieve automatic chamfering and punching. Specifically,

[0044] The feeding mechanism 500 includes a hopper 510, a chain lifting mechanism 520 and a feeding manipulator 530. The hopper 510 is arranged at the end side of the machine 100. The chain lifting mechanism 520 is arranged at one end of the machine 100. One end of the chain lifting mechanism 520 extends downwardly into one side of the hopper 510, and the other end is arranged on the mounting surface 101. The chain lifting mechanism 520 is provided with a clamping block 521, and the clamping block 521 is provided with a clamping groove 522. Therefore, the pipe in the hopper 510 will be clamped into the clamping groove 522, and when the chain lifting mechanism 520 runs upward, the pipe can be gradually transported to the top side of the machine 100. The feeding manipulator 530 is arranged on the mounting surface 101, and the feeding manipulator 530 clamps the pipe on the chain lifting mechanism 520 and moves it to the transmission mechanism 400, thereby realizing automatic feeding. The stamped tube can be clamped by the unloading mechanism 600 and placed on the conveyor belt 700, and the conveyor belt 700 transports the processed tube to the next station.

[0045] Further, please refer to Figure 1 and Figure 7, a third translation mechanism 800 is also provided on the mounting surface 101, and a pneumatic clamp 810 is provided on the third translation mechanism 800, and the pneumatic clamp 810 includes a plurality of groups of clamping jaws 811, and each clamping jaw 811 is provided with a sensor 812. In this embodiment, after the tube is stamped and formed, the tube can be transported to one side of the pneumatic clamp 810 by the transmission mechanism 400, and the third translation mechanism 800 drives the pneumatic clamp 810 to balance, so that the clamping jaws 811 are clamped at the end of the tube, so that the sensor 812 can detect whether the tube is punched.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe punching machine, used for pipe punching, characterized in that: It includes a machine table, a chamfering device and a punching device; The machine platform is provided with a mounting surface, a transmission mechanism is provided on the mounting surface, and the chamfering device and the punching device are arranged on the mounting surface along the transmission mechanism; The chamfering device comprises a first translation mechanism, a rotation mechanism and a chamfering scraper, wherein the first translation mechanism is arranged on the mounting surface, the rotation mechanism is arranged on the first translation mechanism, the rotation mechanism comprises a rotation shaft, the chamfering scraper is arranged at the end of the rotation shaft, and the chamfering scraper is arranged obliquely with respect to the axis of the rotation shaft; The punching device includes a second translation mechanism, a die base, a support shaft and a punch. The second translation mechanism is arranged on the mounting surface, and the die base is arranged on the second translation mechanism. The die base is provided with a positioning hole, and the support shaft is arranged in the positioning hole. A guide hole is also provided on one side of the die base, and the punch is arranged in the guide hole and connected to the stamping drive member.

2. The pipe punching machine according to claim 1, characterized in that: The punching device comprises a plurality of groups; the punches of the punching devices have different structures and are used to form different hole positions on the pipe.

3. The pipe punching machine according to claim 2, characterized in that: The punch in the punching device closer to the output end of the transmission mechanism is a pressing punch, which is used to press down the edge of the formed hole to form a chamfer.

4. The pipe punching machine according to any one of claims 1 to 3, characterized in that: The punching device also includes a mounting seat, which is connected to the second translation mechanism. A mounting cavity is provided in the mounting seat, and the mold base is provided in the mounting cavity, and the mold base is suspended in the mounting cavity; the guide holes are provided on the four sides of the mold base.

5. The pipe punching machine according to claim 4, characterized in that: The punches are arranged in two oppositely arranged guide holes, and clamping blocks are arranged in the other two oppositely arranged guide holes. Driving members are arranged around the mounting seat, and the driving members are connected to the corresponding punches or clamping blocks.

6. The pipe punching machine according to claim 1, characterized in that: The chamfering device also includes a support seat and a pressing mechanism. The support seat is arranged at the front end of the chamfering knife. The pressing mechanism includes a pressing block. The pressing block is arranged above the support seat and is used to press the end of the pipe on the support seat.

7. The pipe punching machine according to claim 6, characterized in that: The support seat and the pressing mechanism are arranged on the first translation mechanism.

8. The pipe punching machine according to claim 1, characterized in that: It also includes a loading mechanism and a unloading mechanism, which are used for automatically loading and unloading the pipe; The feeding mechanism includes a hopper, a chain lifting mechanism and a feeding robot. The hopper is arranged on the end side of the machine, the chain lifting mechanism is arranged at one end of the machine, one end of the chain lifting mechanism extends downwardly into one side of the hopper, and the other end is arranged on the mounting surface. The chain lifting mechanism is provided with a clamping block, and the clamping block is provided with a clamping groove; the feeding robot is arranged on the mounting surface, and is used for clamping the pipe on the chain lifting mechanism and moving it to the transmission mechanism.

9. The pipe punching machine according to claim 8, characterized in that: The mounting surface is also provided with a third translation mechanism, the third translation mechanism is provided with a pneumatic clamp, the pneumatic clamp includes a plurality of groups of clamping jaws, and each of the clamping jaws is provided with a sensor.

10. The pipe punching machine according to claim 1, characterized in that: The chamfering device and the punching device are symmetrically arranged on both sides of the transmission mechanism, so that the pipe punching machine can process both ends of the pipe at the same time.

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