CN215315044U

CN215315044U - Continuous punching equipment for pipes

Info

Publication number: CN215315044U
Application number: CN202120728178.3U
Authority: CN
Inventors: 伍飒; 王绪明
Original assignee: Huizhou Zhijing Precision Technology Co ltd
Current assignee: Huizhou Zhijing Precision Technology Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-28
Anticipated expiration: 2031-04-09

Abstract

The utility model provides a pipe continuous punching device, which comprises: the device comprises a frame, a feeding mechanism, two positioning mechanisms, a punching mechanism, a defective product removing mechanism, a blanking mechanism and a conveying mechanism. The feeding mechanism is arranged at the feeding station; one positioning mechanism is arranged at the first positioning station, and the other positioning mechanism is arranged at the second positioning station; the punching mechanism is arranged at the punching station; the defective product removing mechanism is arranged at the defective product removing station; the blanking mechanism is arranged at the blanking station; the conveying mechanism is arranged in the rack. Compared with the prior art, the continuous pipe punching equipment disclosed by the utility model can complete pipe punching only by loading the pipe into the feeding mechanism and opening the equipment, is high in continuity and efficiency, and can detect the qualification of the pipe and punch the qualified pipe.

Description

Continuous punching equipment for pipes

Technical Field

The utility model relates to the technical field of pipe punching, in particular to a continuous pipe punching device.

Background

The pipe punching, namely, the hole is formed in the pipe wall of the pipe, the hole punching is generally completed through a punching machine, but the automation degree is not high, the pipe needs to be manually placed into the punching machine, the efficiency is low, and the continuous punching of the pipe cannot be realized.

Disclosure of Invention

The utility model aims to provide a continuous punching device for pipes, which aims to overcome the defects in the prior art.

The utility model relates to a pipe continuous punching device, which comprises: the device comprises a frame, a feeding mechanism, two positioning mechanisms, a punching mechanism, a defective product removing mechanism, a discharging mechanism and a conveying mechanism;

the machine frame is sequentially provided with a feeding station, a first positioning station, a punching station, a second positioning station, a defective product removing station and a discharging station;

the feeding mechanism is arranged at the feeding station and used for loading the pipes;

one positioning mechanism is arranged at the first positioning station, and the other positioning mechanism is arranged at the second positioning station; the positioning mechanism is used for fixing the pipe;

the punching mechanism is arranged at the punching station and used for detecting the pipe and punching the qualified pipe;

the defective product removing mechanism is arranged at the defective product removing station and is used for removing unqualified pipes;

the blanking mechanism is arranged at the blanking station and used for transferring the qualified pipe positioned at the defective product removing station to the outside of the equipment;

the conveying mechanism is arranged in the rack and used for taking the pipe out of the feeding mechanism and conveying the pipe to pass through the first positioning station, the punching station, the second positioning station and the defective product removing station in sequence.

Compared with the prior art, the pipe continuous punching equipment can take a pipe out of the feeding mechanism through the conveying mechanism and convey the pipe to the first positioning station, the positioning mechanism of the first positioning station fixes the pipe, and the pipe is conveyed to the punching station through the conveying mechanism. The punching mechanism detects whether the pipe is qualified or not, if the pipe is qualified, punching is carried out, the punched pipe is sequentially conveyed to a second positioning station and a bad removing station, and finally the punched pipe is transferred to the outside of the equipment by the blanking mechanism for next processing; if the pipe is unqualified, the pipe is directly and sequentially conveyed to the second positioning station and the defective product removing station, so that the defective product removing mechanism removes the defective product. The continuous pipe punching equipment can complete pipe punching only by loading the pipes into the feeding mechanism and opening the equipment, has strong continuity and high efficiency, and can detect the qualification of the pipes and punch the qualified pipes.

In a preferred or optional embodiment, the feeding mechanism comprises two oppositely arranged plates and a plurality of rod pieces arranged between the two plates, and the plate pieces and the rod pieces jointly enclose a pipe slideway and a pipe accommodating groove which are sequentially communicated from top to bottom; the pipe slide way is obliquely arranged, and the pipe accommodating groove is vertically arranged; the lower end of the pipe accommodating groove is provided with a pipe taking-out opening; when the pipes are loaded into the feeding mechanism, the pipes slide down along the pipe slide ways and are sequentially stacked in the pipe accommodating grooves from bottom to top.

In a preferred or optional embodiment, the transfer mechanism comprises a transfer cylinder, a transfer plate and a plurality of clamping jaw cylinders; the conveying cylinder is fixed on the rack, and the conveying plate is fixedly connected to a piston rod of the conveying cylinder; the clamping jaw cylinders are sequentially arranged on the conveying plate;

the conveying cylinder drives the conveying plate to reciprocate, so that the clamping jaw cylinder takes a pipe out of the feeding mechanism and conveys the pipe to pass through the first positioning station, the punching station, the second positioning station and the defective product removing station in sequence.

In a preferred or optional embodiment, the positioning mechanism comprises a first driving component and a first positioning rod which are connected with each other; the first driving assembly drives the first positioning rod to reciprocate, so that the first positioning rod is inserted into or pulled out of a pipe.

In a preferred or optional embodiment, the first driving assembly comprises a first fixing plate, a first air cylinder, a first push plate and a first guide rod;

the first fixing plate is fixed on the rack, and the cylinder body of the first cylinder is fixedly connected to the first fixing plate; the first push plate is connected to a piston rod of the first air cylinder, one end of the first guide rod is fixedly connected with the first fixing plate, and the other end of the first guide rod penetrates through the first push plate; the first positioning rod is fixed on one side, back to the first cylinder, of the first push plate.

In a preferred or alternative embodiment, the punching mechanism comprises a sensor, a punching device and a second drive assembly;

the sensor is fixed on the rack and used for detecting the pipe;

the punching device comprises a supporting seat, a punching cylinder, a punching seat, a first punching assembly, a second punching assembly and a second positioning rod;

the supporting seat is connected with the second driving assembly; the punching cylinder is arranged at the top of the supporting seat, and a piston rod of the punching cylinder extends into the supporting seat; the punching seat is arranged in the supporting seat and is provided with a punching cavity with an opening;

the first punching assembly comprises a connecting plate and a first punching knife, the connecting plate is arranged between the punching cylinder and the supporting seat, one side of the connecting plate is connected with a piston rod of the punching cylinder, the other side of the connecting plate is connected with the first punching knife, and the first punching knife extends into the punching cavity;

the two second punching assemblies are oppositely arranged and are respectively positioned on two sides of the punching seat; each second punching assembly comprises a connecting rod, a movable block and a second punching knife, wherein one end of the connecting rod is fixedly connected to the connecting plate, and the other end of the connecting rod is movably connected with the movable block; the movable block is arranged close to the punching seat, and the second punching knife is connected to the movable block and extends into the punching cavity; when the connecting rod moves downwards, the movable block moves towards the direction close to the punching seat; when the connecting rod moves upwards, the movable block moves towards the direction far away from the punching seat;

the second positioning rod is fixedly arranged in the punching cavity and extends along the length direction of the punching cavity; a first groove matched with the first punching cutter and a second groove matched with the second punching cutter are formed in the second positioning rod;

the second driving assembly drives the supporting seat to reciprocate, so that the second positioning rod is inserted into the pipe or pulled out of the pipe; when the second positioning rod is inserted into the pipe, the first punching knife and the second punching knife punch the pipe.

In a preferred or optional embodiment, the movable block is provided with a sliding groove, and a first abutting part and a second abutting part are fixed in the sliding groove; the first abutting part is close to the punching seat, and the second abutting part is far away from the punching seat;

the connecting rod is inserted into the sliding groove and is positioned between the first abutting part and the second abutting part; one side of the connecting rod, which is close to the first abutting part, is provided with a first inclined plane which is arranged downwards, and one side of the connecting rod, which is close to the second abutting part, is provided with a second inclined plane which is arranged upwards; when the connecting rod moves downwards, the first inclined surface is abutted against the first abutting part to push the movable block to move towards the direction close to the punching seat; when the connecting rod moves upwards, the second inclined surface is abutted to the second abutting part to push the movable block to move towards the direction away from the punching seat.

In a preferred or optional embodiment, the second driving assembly comprises a second fixing plate, a second air cylinder, a second push plate and a second guide rod;

the second fixing plate is fixed on the rack, and the cylinder body of the second cylinder is fixedly connected to the second fixing plate; one end of the second push plate is fixedly connected with a piston rod of the second air cylinder, and the other end of the second push plate is fixedly connected with the supporting seat; one end of the second guide rod is fixedly connected with the second fixing plate, and the other end of the second guide rod penetrates through the second push plate.

In a preferred or optional embodiment, the punching apparatus further comprises a scrap removal assembly comprising a stripper plate and a push rod; a through hole is formed in the scraping plate and matched with the second positioning rod, the scraping plate is movably arranged in the punching cavity, and the second positioning rod penetrates through the through hole; one end of the push rod penetrates through the punching seat and is fixedly connected with the scraping plate, and the other end of the push rod is elastically connected with the second fixing plate.

In a preferred or optional embodiment, the feeding mechanism is a conveyor belt.

Drawings

FIG. 1 is a schematic structural diagram of the pipe continuous punching equipment of the utility model;

FIG. 2 is a top view of the continuous tube punching apparatus of the present invention;

FIG. 3 is a schematic structural view of the frame of the present invention;

FIG. 4 is a schematic structural diagram of a feeding mechanism of the present invention;

FIG. 5 is an internal schematic view of the loading mechanism of the present invention;

FIG. 6 is a schematic view of the present invention with a transfer mechanism;

FIG. 7 is a schematic view of the present invention with a positioning mechanism;

FIG. 8 is a schematic view of the present invention with a punching structure;

FIG. 9 is a schematic front view of a punching apparatus of the present invention;

FIG. 10 is a side view of the present invention with a punch structure;

FIG. 11 is a view showing the working state of the present invention with a punching structure;

FIG. 12 is a view showing the operation of the punching apparatus of the present invention;

FIG. 13 is a view showing the operation of the punching apparatus of the present invention;

fig. 14 is a working state diagram with a punching structure of the present invention.

Detailed Description

Referring to fig. 1-2, the present embodiment provides a continuous punching apparatus for pipes, which includes: a frame 10, a feeding mechanism 20, two positioning mechanisms 30, a punching mechanism 40, a defective product removing mechanism 50, a blanking mechanism 60 and a conveying mechanism 70.

A feeding station, a first positioning station, a punching station, a second positioning station, a defective product removing station and a discharging station are sequentially arranged on the frame 10; the feeding mechanism 20 is arranged at the feeding station and used for loading the pipes; one of the positioning mechanisms 30 is disposed at the first positioning station, and the other positioning mechanism 30 is disposed at the second positioning station; the positioning mechanism 30 is used for fixing the pipe; the punching mechanism 40 is arranged at the punching station and used for detecting the pipes and punching holes on the qualified pipes; the defective product removing mechanism 50 is arranged at the defective product removing station and is used for removing unqualified pipes; the blanking mechanism 60 is arranged at the blanking station and used for transferring the qualified pipes positioned at the defective product removing station to the outside of the equipment; the conveying mechanism 70 is disposed in the frame 10, and is configured to take out the tube from the feeding mechanism 20 and convey the tube to pass through the first positioning station, the punching station, the second positioning station, and the defective product removing station in sequence.

According to the pipe continuous punching equipment, a pipe can be taken out from the feeding mechanism 20 through the conveying mechanism 70 and conveyed to the first positioning station, the positioning mechanism 30 of the first positioning station fixes the pipe, and the pipe is conveyed to the punching station through the conveying mechanism 70. The punching mechanism 40 detects whether the pipe is qualified, if the pipe is qualified, punching is carried out, the punched pipe is sequentially conveyed to a second positioning station and a bad removing station, and finally is transferred to the outside of the equipment by the blanking mechanism 60 for next processing; if the pipe is unqualified, the pipe is directly and sequentially conveyed to the second positioning station and the defective product removing station, so that the defective product is removed by the defective product removing mechanism 50. According to the continuous pipe punching equipment, the pipe punching can be completed only by loading the pipe into the feeding mechanism 20 and opening the equipment, the continuity is high, the efficiency is high, the qualification of the pipe can be detected, and the qualified pipe can be punched.

As shown in fig. 3, in particular, the rack 10 of the embodiment includes a support 11 and a support plate 12 disposed above the support 11, the support plate 12 is provided with a channel 13, and two sides of the channel 13 are provided with baffles 14; the conveying mechanism 70 is arranged in the tank way 13, the pipe taken out from the feeding mechanism 20 by the conveying mechanism 70 moves in the tank way 13, and the feeding station, the first positioning station, the punching station, the second positioning station, the defective product removing station and the discharging station are arranged close to the tank way 13.

As shown in fig. 4-5, the feeding mechanism 20 includes two oppositely disposed plates 21 and a plurality of rods 22 disposed between the two plates 21, the plates 21 and the rods 22 together enclose a tube slide 23 and a tube accommodating groove 24 which are sequentially communicated from top to bottom; the pipe slide 23 is arranged obliquely, and the pipe accommodating groove 24 is arranged vertically; the lower end of the pipe accommodating groove 24 is provided with a pipe taking-out port 25; when the pipes are loaded into the feeding mechanism 20, the pipes slide down along the pipe slide rails 23 and are sequentially stacked in the pipe accommodating grooves 24 from bottom to top. Through so setting up for tubular product convenient and fast that packs into, tubular product only need put into from tubular product slide 23, will slide to tubular product storage tank 24 to pile up in tubular product storage tank 24 in proper order, transport mechanism 70 can take out tubular product through tubular product take-out mouth 25 one by one.

As shown in fig. 6, the transfer mechanism 70 includes a transfer cylinder 71, a transfer plate 72, and a plurality of jaw cylinders; the conveying cylinder 71 is fixed to the frame 10, specifically, the conveying cylinder 71 and the support plate 12 of the frame 10 are fixed to each other, and the conveying plate 72 is disposed in the groove 13 of the support plate 12. The transfer plate 72 is fixedly connected to a piston rod of the transfer cylinder 71; the clamping jaw cylinders are sequentially arranged on the conveying plate 72; the conveying cylinder 71 drives the conveying plate 72 to reciprocate, so that the clamping jaw cylinder takes a pipe out of the feeding mechanism 20 and sequentially conveys the pipe to the first positioning station, the punching station, the second positioning station and the defective product removing station. Specifically, in this embodiment, the number of the jaw cylinders is four, and the jaw cylinders are a first jaw cylinder 731, a second jaw cylinder 732, a third jaw cylinder 733, and a fourth jaw cylinder 734, respectively, and when the transfer cylinder 71 is at the initial position, the first jaw cylinder 731 corresponds to the feeding station, the second jaw cylinder 732 corresponds to the first positioning station, the third jaw cylinder 733 corresponds to the punching station, and the fourth jaw cylinder 734 corresponds to the second positioning station. Specifically, the first clamping jaw cylinder 731 starts to clamp the pipe of the feeding mechanism 20, then the piston rod of the conveying cylinder 71 extends out, the positioning mechanism 30, which sends the pipe to the first positioning station by the first clamping jaw cylinder 731, is fixed, the piston rod of the conveying cylinder 71 retracts, and the first clamping jaw cylinder 731 returns to the position of the feeding station to clamp the next pipe. Then the piston rod of the conveying cylinder 71 extends out again, the second clamping jaw cylinder 732 conveys the pipe at the first positioning station to the punching station, and thus the conveying cylinder 71 continuously and repeatedly moves, so that the pipe is conveyed to sequentially pass through the first positioning station, the punching station, the second positioning station and the defective product removing station.

As shown in fig. 7, in particular, the positioning mechanism 30 includes a first driving assembly 31 and a first positioning rod 32 connected to each other; the first driving assembly 31 drives the first positioning rod 32 to reciprocate, so that the first positioning rod 32 is inserted into or pulled out of the pipe. The positioning mechanism 30 is used for fixing the pipe so that the clamping jaw cylinder of the conveying mechanism 70 conveys the pipe. Specifically, the first driving assembly 31 includes a first fixing plate 311, a first cylinder 312, a first push plate 313 and a first guide rod 314; the first fixing plate 311 is fixed on the frame 10, and a cylinder body of the first cylinder 312 is fixedly connected to the first fixing plate 311; the first push plate 313 is connected to a piston rod of the first cylinder 312, one end of the first guide rod 314 is fixedly connected to the first fixing plate 311, and the other end of the first guide rod passes through the first push plate 313; the first positioning rod 32 is fixed on a side of the first push plate 313 facing away from the first cylinder 312. The piston rod of the first cylinder 312 extends and contracts, so that the first push plate 313 reciprocates along the first guide rod 314, thereby moving the first positioning rod 32 to reciprocate. In addition, it should be noted that the first positioning rod 32 is matched with the inner hole of the pipe, and can be inserted into or pulled out from the pipe.

As shown in fig. 8-10, in particular, the punching mechanism 40 includes a sensor 41, a punching device 42, and a second drive assembly 43.

The sensor 41 is fixed on the frame 10 and used for detecting the pipe. The function of the sensor 41 can be designed according to design requirements. For example, the tube used in this embodiment has a notch at one end, and the sensor 41 can prevent the tube from being misplaced or reversed.

As shown in fig. 9-10, the punching device 42 includes a supporting base 421, a punching cylinder 422, a punching base 423, a first punching assembly, a second punching assembly, and a second positioning rod 426; the supporting seat 421 is connected to the second driving assembly 43; the punching cylinder 422 is arranged at the top of the supporting seat 421, and a piston rod of the punching cylinder extends into the supporting seat 421; the punching seat 423 is disposed in the supporting seat 421, and the punching seat 423 is provided with a punching cavity 4231 having an opening.

The first punching assembly comprises a connecting plate 4241 and a first punching knife 4242, the connecting plate 4241 is arranged between the punching cylinder 422 and the supporting seat 421, one side of the connecting plate 4241 is connected with a piston rod of the punching cylinder 422, the other side of the connecting plate 4241 is connected with the first punching knife 4242, and the first punching knife 4242 extends into the punching cavity 4231.

The two second punching assemblies are oppositely arranged and are respectively positioned at two sides of the punching seat 423; each second punching assembly comprises a connecting rod 4251, a movable block 4252 and a second punching knife 4253, wherein one end of the connecting rod 4251 is fixedly connected to the connecting plate 4241, and the other end of the connecting rod 4251 is movably connected to the movable block 4252; the movable block 4252 is arranged close to the punching seat 423, and the second punching knife 4253 is connected to the movable block 4252 and extends into the punching cavity 4231; when the connecting rod 4251 moves downwards, the movable block 4252 moves towards the direction close to the punching seat 423; when the connecting rod 4251 moves upwards, the movable block 4252 moves away from the punching seat 423.

The second positioning rod 426 is fixedly arranged in the punching cavity 4231 and extends along the length direction of the punching cavity 4231; the second positioning rod 426 is provided with a first groove 4261 matched with the first punching knife 4242, and a second groove 4262 matched with the second punching knife 4253. The first groove 4261 and the second groove 4262 leave an allowance for punching of the punching knife, so that punching is completed.

The second driving assembly 43 drives the supporting seat 421 to reciprocate, so that the second positioning rod 426 is inserted into or pulled out of the tube; when the second positioning rod 426 is inserted into the pipe, the first punching knife 4242 and the second punching knife 4253 punch the pipe. In the punching device 42 of the embodiment, the first punching knife 4242 and the second punching knife 4253 punch the pipe at the same time, and the total number of holes is three.

Specifically, the punching mechanism 40 works according to the following principle: as shown in fig. 11, when the tube is conveyed to the punching station, the second driving assembly 43 is activated to move the supporting seat 421 toward the tube, and the second positioning rod 426 is inserted into the tube, so that the tube is fixed in the punching chamber 4231. As shown in fig. 12, the piston rod of the punching cylinder 422 is then extended downward to push the connecting plate 4241 to move downward, so as to drive the first punching knife 4242 to punch the tube in the punching cavity 4231, at this time, the connecting rod 4251 also moves downward along with the connecting plate 4241, the movable block 4252 moves toward the direction close to the punching seat 423, and the movable block 4252 drives the second punching knife 4253 to punch the tube in the punching cavity 4231. As shown in fig. 13, after punching, the piston rod of the punching cylinder 422 retracts upwards to push the connecting plate 4241 to move upwards, so as to drive the first punching knife 4242 to be away from the pipe in the punching cavity 4231, at this time, the connecting rod 4251 also moves upwards along with the connecting plate 4241, the movable block 4252 moves towards the direction away from the punching seat 423, and the movable block 4252 drives the second punching knife 4253 to be away from the pipe in the punching cavity 4231. As shown in fig. 14, finally, the second driving assembly 43 drives the supporting seat 421 to move away from the tube, the second positioning rod 426 is pulled out from the tube, and the tube is punched. This embodiment is through ingenious setting, realizes punching the tubular product, and convenient and fast beats out three holes simultaneously.

The engagement between the connecting rod 4251 and the movable block 4252 is achieved by, as shown in fig. 12-13, specifically, providing a sliding slot 4252a for the movable block 4252, and fixing a first abutting portion 4252b and a second abutting portion 4252c in the sliding slot 4252 a; the first abutment portion 4252b is close to the punch seat 423, and the second abutment portion 4252c is distant from the punch seat 423. The first and

second abutment portions

4252b and 4252c are each cylindrical.

The connecting rod 4251 is inserted into the sliding slot 4252a and is located between the first abutment portion 4252b and the second abutment portion 4252 c; a first inclined surface 4251a arranged downward is provided on a side of the connecting rod 4251 close to the first abutting portion 4252b, and a second inclined surface 4251b arranged upward is provided on a side close to the second abutting portion 4252 c. As shown in fig. 12, when the connecting rod 4251 moves downward, the first inclined surface 4251a abuts against the first abutting portion 4252b, and pushes the movable block 4252 to move toward the punch holder 423. As shown in fig. 13, when the connecting rod 4251 moves upward, the second inclined surface 4251b abuts against the second abutting portion 4252c, and pushes the movable block 4252 to move away from the punch seat 423. The structure is ingenious, and the function that the movable block 4252 moves towards the direction far away from or close to the punching seat 423 when the connecting rod 4251 moves up and down is realized.

As shown in fig. 10, 11 and 14, in particular, the second driving assembly 43 includes a second fixed plate 431, a second cylinder 432, a second push plate 433 and a second guide rod 434. The second fixing plate 431 is fixed on the frame 10, and the cylinder body of the second cylinder 432 is fixedly connected to the second fixing plate 431; one end of the second push plate 433 is fixedly connected with a piston rod of the second cylinder 432, and the other end is fixedly connected with the supporting seat 421; one end of the second guide rod 434 is fixedly connected to the second fixing plate 431, and the other end thereof passes through the second push plate 433. The piston rod of the second cylinder 432 extends and retracts, so that the second push plate 433 reciprocates along the second guide rod 434, thereby driving the support seat 421 to reciprocate.

As shown in fig. 10, 11 and 14, preferably, the punching device 42 further comprises a waste removing assembly 427 for removing waste of the first and

second grooves

4261 and 4262 left on the second positioning rod 426 after the pipe is punched, wherein the waste removing assembly 427 comprises a scraper plate 4271 and a push rod 4272; a through hole is formed in the scraping plate 4271 and matched with the second positioning rod 426, the scraping plate 4271 is movably arranged in the punching cavity 4231, and the second positioning rod 426 penetrates through the through hole; one end of the push rod 4272 passes through the punch seat 423 to be fixedly connected to the scraping plate 4271, and the other end of the push rod 4272 is elastically connected to the second fixing plate 431. Before punching, when the supporting seat 421 moves towards the direction close to the pipe, the scraping plate 4271 slides inwards relative to the punching cavity 4231 and penetrates into the punching cavity 4231, and after punching is completed, when the supporting seat 421 moves towards the direction away from the pipe, the scraping plate 4271 slides outwards relative to the punching cavity 4231 and scrapes waste materials of the first groove 4261 and the second groove 4262 on the second positioning rod 426. And since the scraping plate 4271 is connected to one end of the push rod 4272, the other end of the push rod 4272 is elastically connected to the second fixing plate 431. When the waste materials are hard and the scraping plate pieces 4271 are blocked from moving, the waste materials can also move elastically and are prevented from being damaged.

Specifically, the defective product removing mechanism 50 includes a third cylinder and a placing plate (not shown), and when an unqualified pipe is sent to the defective product removing station, the unqualified pipe is placed on the placing plate, the third cylinder drives the placing plate to drop the unqualified pipe, and when a qualified pipe is sent to the defective product removing station, the unqualified pipe is placed on the placing plate, and the third cylinder does not drive the placing plate to allow the qualified pipe to be taken away by the blanking mechanism 60. Specifically, the blanking mechanism 60 is a conveyor belt.

According to the continuous punching equipment for the pipe, the parts are arranged, so that the pipe can be continuously punched, the punching is rapid and convenient, and three holes can be punched in one step for the pipe.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A continuous punching apparatus for tubular material, comprising:

the device comprises a frame, a feeding mechanism, two positioning mechanisms, a punching mechanism, a defective product removing mechanism, a discharging mechanism and a conveying mechanism;

2. The pipe continuous punching apparatus according to claim 1, characterized in that:

the feeding mechanism comprises two oppositely arranged plates and a plurality of rod pieces arranged between the two plates, and the plates and the rod pieces jointly enclose a pipe slideway and a pipe accommodating groove which are sequentially communicated from top to bottom; the pipe slide way is obliquely arranged, and the pipe accommodating groove is vertically arranged; the lower end of the pipe accommodating groove is provided with a pipe taking-out opening; when the pipes are loaded into the feeding mechanism, the pipes slide down along the pipe slide ways and are sequentially stacked in the pipe accommodating grooves from bottom to top.

3. The pipe continuous punching apparatus according to claim 1, characterized in that:

the conveying mechanism comprises a conveying cylinder, a conveying plate and a plurality of clamping jaw cylinders; the conveying cylinder is fixed on the rack, and the conveying plate is fixedly connected to a piston rod of the conveying cylinder; the clamping jaw cylinders are sequentially arranged on the conveying plate;

4. The pipe continuous punching apparatus according to claim 1, characterized in that:

the positioning mechanism comprises a first driving assembly and a first positioning rod which are connected with each other; the first driving assembly drives the first positioning rod to reciprocate, so that the first positioning rod is inserted into or pulled out of a pipe.

5. The pipe continuous punching apparatus according to claim 4, characterized in that:

the first driving assembly comprises a first fixing plate, a first air cylinder, a first push plate and a first guide rod;

6. The pipe continuous punching apparatus according to claim 1, characterized in that:

the punching mechanism comprises a sensor, a punching device and a second driving assembly;

the sensor is fixed on the rack and used for detecting the pipe;

7. The pipe continuous punching apparatus according to claim 6, characterized in that:

the movable block is provided with a sliding groove, and a first abutting part and a second abutting part are fixed in the sliding groove; the first abutting part is close to the punching seat, and the second abutting part is far away from the punching seat;

8. The pipe continuous punching apparatus according to claim 6, characterized in that: the second driving assembly comprises a second fixing plate, a second air cylinder, a second push plate and a second guide rod;

9. The pipe continuous punching apparatus according to claim 8, characterized in that:

the punching device also comprises a waste removing assembly, wherein the waste removing assembly comprises a scraping plate and a push rod; a through hole is formed in the scraping plate and matched with the second positioning rod, the scraping plate is movably arranged in the punching cavity, and the second positioning rod penetrates through the through hole; one end of the push rod penetrates through the punching seat and is fixedly connected with the scraping plate, and the other end of the push rod is elastically connected with the second fixing plate.

10. The pipe continuous punching apparatus according to claim 1, characterized in that: the blanking mechanism is a conveyor belt.