CN216881305U

CN216881305U - Hollow tube punching processing mechanism

Info

Publication number: CN216881305U
Application number: CN202220252126.8U
Authority: CN
Inventors: 周建永; 肖勇
Original assignee: Ninghai Jianpai Automotive Accessory Co ltd
Current assignee: Ninghai Jianpai Automotive Accessory Co ltd
Priority date: 2022-02-07
Filing date: 2022-02-07
Publication date: 2022-07-05
Anticipated expiration: 2032-02-07

Abstract

The utility model discloses a hollow pipe punching mechanism which comprises a workbench, a clamping assembly and a punching mechanism, wherein the clamping assembly and the punching mechanism are connected with the workbench, the punching mechanism comprises two punching devices which are symmetrical front and back, the two punching devices are symmetrically arranged by taking the clamping assembly as a reference, each punching device comprises a plurality of movable punching needles and a first air cylinder capable of pushing the punching needles to move, the clamping assembly comprises a limiting device and a pressing device, and the limiting device and the pressing device are combined to form a clamping cavity. The utility model has the advantages that through the punching devices symmetrically arranged on the two sides of the clamping component, the two sides of the hollow pipe can not generate outward protruding burrs, the appearance of the hollow pipe is attractive, simultaneously, the working procedures of trimming the burrs are reduced, the cost is favorably reduced, and the production efficiency is improved.

Description

Hollow tube punching processing mechanism

Technical Field

The utility model relates to the field of profile punching equipment, in particular to a hollow pipe punching processing mechanism.

Background

As shown in fig. 1, the hollow pipe with a hollow structure is mainly used for connecting a household sewage drainage pipeline, a plurality of through holes 01 are formed in the wall of the circular pipe, the through holes are mainly used for riveting or penetrating bolt connection, a punch press is generally used for processing during punching, however, the punch press in the traditional process can directly punch the through holes from top to bottom at one time, so that no burrs exist on the front surfaces of the through holes, the burrs protruding outwards are generated on the back surfaces of the through holes, the appearance is attractive, a burr trimming process must be arranged, the labor cost is increased, and the production efficiency is greatly reduced.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a hollow pipe punching processing mechanism, which can prevent burrs protruding outwards from both sides of a hollow pipe through punching devices symmetrically arranged on both sides of a clamping assembly, so that the hollow pipe has a beautiful appearance, simultaneously reduces the procedure of deburring, is beneficial to reducing the cost and improving the production efficiency.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a hollow tube processing agency that punches a hole, includes the workstation and the centre gripping subassembly that is connected with the workstation, the mechanism of punching a hole include two punching device of front and back symmetry, two punching device use the centre gripping subassembly to set up as the benchmark symmetry, punching device include that mobilizable a plurality of dashes the needle and can promote the first cylinder that dashes the needle and remove, the centre gripping subassembly include stop device and closing device, stop device and closing device constitute the centre gripping chamber after the combination.

As a further improvement of the utility model, the punch pin is connected with the first cylinder through a connecting assembly, the connecting assembly comprises a first fixing block and a second fixing block, and the first fixing block and the second fixing block are fixedly connected through bolts. Through the coupling assembling that first fixed block and second fixed block combination formed, make things convenient for the equipment work of this mechanism and be favorable to the machine-shaping of accessory, reduce cost.

As a further improvement of the utility model, the first fixed block is horizontally provided with a plurality of jacks, the jacks are arranged in parallel at equal intervals, the jacks are inserted with the punch pins, the jacks are also provided with countersunk screws for limiting the movement of the punch pins, the second fixed block is connected with the first air cylinder through a first connecting rod, the lower end of the second fixed block is fixedly provided with a first sliding block, the first sliding block is provided with a first sliding rail in sliding connection with the first sliding block, the first sliding rail is fixedly connected with the workbench, and the first air cylinder is fixedly connected with the workbench through a fixed seat. First cylinder passes through fixing base fixed connection with the workstation, when the front end of first cylinder is when the motion, first fixed block, the second fixed block, and first slider are under the drive of first cylinder, reciprocating motion is realized along the prescribed route of first slide rail, thereby realize carrying out reciprocating motion effectively with the punching needle of first fixed block grafting, in order to realize the task of punching a hole, when the punching needle is because of long-time work wearing and tearing, can dismantle the countersunk head screw that is arranged in first fixed block and jack threaded connection, conveniently change the punching needle, be favorable to the maintenance operation.

As a further improvement of the utility model, the limiting device comprises a limiting seat, a left limiting block, a right limiting block and an adjusting screw for adjusting the right limiting block, wherein the limiting seat is provided with a strip-shaped lower groove, the cross section of the lower groove is of a semicircular structure, a plurality of semicircular first concave pits are arranged on two sides of the lower groove, the first concave pits on the two sides of the lower groove have the same central axis, and the limiting seat is fixedly connected with the workbench through screws. The limiting device is composed of a limiting seat, a left limiting block, a right limiting block and an adjusting screw, and is convenient to install and adjust so as to adapt to hollow pipes with different lengths, achieve the purpose of one machine with multiple purposes and be beneficial to reducing the cost.

As a further improvement of the utility model, the left limiting block and the right limiting block are respectively positioned at two sides of the limiting seat, the left limiting block is fixedly connected with the limiting seat, the right side surface of the left limiting block is attached to the left side surface of the lower groove, the right limiting block is fixedly connected with the workbench through the positioning plate, the positioning plate is in threaded connection with the adjusting screw, the right limiting block is slidably arranged on the positioning plate through the sliding groove, and the front end of the adjusting screw is abutted against the right side surface of the right limiting block. The locating plate not only plays the effect of connecting as the bridge of being connected between right stopper and the workstation, also plays the effect of support simultaneously, and with locating plate threaded connection's adjusting screw, can carry out appropriate adjustment with the position of right stopper to satisfy the process of punching a hole of different length hollow tubes.

As a further improvement of the utility model, the pressing device comprises a pressing block and a second cylinder capable of pushing the pressing block to move, the pressing block is provided with a strip-shaped upper groove, the section of the upper groove is of a semicircular structure, second pits of the semicircular structure are arranged on two sides of the upper groove, the second pits on two sides of the upper groove have the same central axis, the upper groove and the lower groove are combined to form a clamping cavity, the first pit and the second pit are combined to form a circular through hole, the through hole is connected with the punching needle in a sliding manner, the pressing block is provided with an upper clamping plate fixedly connected, and the upper clamping plate is connected with the second cylinder through a second connecting rod. The briquetting is with spacing seat compound die and locking under the promotion of second cylinder, constitute the centre gripping chamber behind the upper groove that is located the briquetting and the lower groove compound die that is located spacing seat for press from both sides tight hollow tube, and constitute the through-hole behind the second pit that is located the upper groove both sides and the first pit combination that is located the lower groove both sides, the punching needle is when punching a hole, through the wall of attacking the hollow tube behind the through-hole, the through-hole plays the effect of direction, guarantee the accuracy of hollow tube punching position, the task of punching a hole of hollow tube can finally be accomplished.

As a further improvement of the utility model, the upper clamping plate is fixedly provided with a second sliding block, the second sliding block is provided with a second sliding rail in sliding connection with the second sliding block, and the second sliding rail and the second cylinder are both connected with the workbench through a supporting frame. Through the setting of punch holder, second slider and second slide rail, when guaranteeing that the briquetting makes reciprocating motion under the drive of second cylinder, remain uniformity and stability throughout, the support frame mainly plays the supporting role, ensures closing device's normal work.

As a further improvement of the utility model, handles for gripping are arranged on the left side and the right side of the workbench, support legs are fixedly arranged below the workbench, and the number of the support legs is four and are respectively positioned at four corners of the workbench. The handle has made things convenient for workman's transport, and the stabilizer blade mainly plays the supporting role, supports this processing agency's normal operating.

The working principle of the utility model is as follows: place the hollow tube of unified size in the low recess of spacing seat, the position of right stopper can be adjusted to the adjusting screw, in order to prevent that the hollow tube from controlling about in the lower recess, then, the briquetting that is located closing device is with spacing seat compound die under the promotion of second cylinder, be fixed in the hollow tube in the centre gripping intracavity, the punching device that is located centre gripping subassembly both sides starts, the punching needle is under the promotion of first cylinder, move towards the centre gripping chamber simultaneously, and insert the through hole, withdraw from the punching needle again after beating the wall of passing the hollow tube, loosen closing device, take out the hollow tube, finally can accomplish the work of punching a hole of hollow tube.

Compared with the prior art, the clamping component has the advantages that the punching devices symmetrically arranged on the two sides of the clamping component are used, so that burrs protruding outwards cannot be generated on the two sides of the hollow pipe, the appearance of the hollow pipe is attractive, meanwhile, the process of repairing the burrs is reduced, the cost is reduced, and the production efficiency is improved. Be provided with the centre gripping subassembly on the workstation, the centre gripping subassembly includes stop device and closing device, can guarantee through stop device that the hollow tube has a reliable and stable position, thereby ensure that the mounted position of hollow tube keeps the uniformity, closing device is used for pressing from both sides tight hollow tube, guarantee the hollow tube in the clamping process, can not the optional shift position, be favorable to improving this processingquality who punches a hole the process, the symmetry sets up the punching device in centre gripping subassembly both sides, punching device is including punching the needle, and can promote the first cylinder of punching the needle motion, can guarantee that the removal of punching the needle realizes synchronization and can be controlledly, easily realize automatic operation, simultaneously because of setting up the punching needle of both sides all by outer inside insertion, so all can not produce the burr in the both sides outside of hollow tube, thereby reducible process of repairing the burr, help reduce cost.

Drawings

FIG. 1 is a schematic structural view of a hollow tube;

FIG. 2 is an overall schematic view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an exploded view of the connecting assembly, the punch pin, the first cylinder, the countersunk head screw, and the first slider;

FIG. 5 is an exploded view of the positioning plate and the limiting device;

fig. 6 is an exploded schematic view of the pressing device, the upper clamp plate, the supporting frame, the second slider and the second slide rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 to 6: the utility model provides a hollow tube processing agency that punches a hole, including workstation 1, and the centre gripping subassembly 2 that is connected with workstation 1, the mechanism of punching a hole includes two punching device 3 of front and back symmetry, two punching device 3 use centre gripping subassembly 2 as the benchmark symmetry to set up, punching device 3 includes mobilizable a plurality of towards needle 30 and can promote towards the first cylinder 35 that needle 30 removed, centre gripping subassembly 2 includes stop device 22 and closing device 21, constitute the centre gripping chamber after stop device 22 and closing device 21 make up.

The punch pin 30 is connected with the first air cylinder 35 through a connecting assembly 36, the connecting assembly 36 comprises a first fixing block 31 and a second fixing block 33, and the first fixing block 31 is fixedly connected with the second fixing block 33 through bolts.

The first fixed block 31 is horizontally provided with a plurality of jacks 310, the jacks 310 are parallel and arranged at equal intervals, the jacks 310 are connected with the punching needle 30 in an inserting mode, the jacks 310 are further provided with countersunk screws 32 used for limiting the movement of the punching needle 30, the second fixed block 33 is connected with the first air cylinder 35 through a first connecting rod 350, the lower end of the second fixed block 33 is fixedly provided with a first sliding block 34, the first sliding block 34 is provided with a first sliding rail 10 connected with the first sliding block in a sliding mode, the first sliding rail 10 is fixedly connected with the workbench 1, and the first air cylinder 35 is fixedly connected with the workbench 1 through a fixed seat 351.

The limiting device 22 comprises a limiting seat 222, a left limiting block 221, a right limiting block 223 and an adjusting screw 225 for adjusting the right limiting block 223, the limiting seat 222 is provided with a strip-shaped lower groove 222a, the cross section of the lower groove 222a is of a semicircular structure, a plurality of semicircular first concave pits 222b are arranged on two sides of the lower groove 222a, the first concave pits 222b on two sides of the lower groove 222a have the same central axis, and the limiting seat 222 is fixedly connected with the workbench 1 through screws.

The left limit block 221 and the right limit block 223 are respectively located on two sides of the limit seat 222, the left limit block 221 is fixedly connected with the limit seat 222, the right side face of the left limit block 221 is attached to the left side face of the lower groove 222a, the right limit block 223 is fixedly connected with the workbench 1 through the positioning plate 224, the positioning plate 224 is in threaded connection with the adjusting screw 225, the right limit block 223 is slidably arranged on the positioning plate 224 through the sliding groove 223a, and the front end of the adjusting screw 225 is abutted to the right side face of the right limit block 223.

The pressing device 21 comprises a pressing block 217 and a second air cylinder 211 capable of pushing the pressing block 217 to move, the pressing block 217 is provided with a strip-shaped upper groove 217a, the section of the upper groove 217a is of a semicircular structure, second pits 217b of the semicircular structure are arranged on two sides of the upper groove 217a, the second pits 217b on two sides of the upper groove 217a are provided with the same central axis, the upper groove 217a and the lower groove 222a are combined to form a clamping cavity, the first pit 222b and the second pit 217b are combined to form a circular through hole, the through hole is in sliding connection with the punch pin 30, the pressing block 217 is provided with an upper clamping plate 216 fixedly connected, and the upper clamping plate 216 is connected with the second air cylinder 211 through a second connecting rod 212.

The upper clamping plate 216 is fixedly provided with a second sliding block 215, the second sliding block 215 is provided with a second sliding rail 214 connected with the second sliding block in a sliding manner, and the second sliding rail 214 and the second air cylinder 211 are both connected with the workbench 1 through a supporting frame 213.

The left side and the right side of the workbench 1 are provided with handles 11 used for grasping the hand, support legs 12 are fixedly arranged below the workbench 1, and the number of the support legs 12 is four and are respectively located at four corners of the workbench 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a hollow tube processing agency that punches a hole, includes the workstation and the centre gripping subassembly that is connected with the workstation, the mechanism of punching a hole, its characterized in that the mechanism of punching a hole include two punching device of front and back symmetry, two punching device use the centre gripping subassembly to set up as the benchmark symmetry, punching device include that mobilizable a plurality of dashes the needle and can promote the first cylinder that dashes the needle and remove, the centre gripping subassembly include stop device and closing device, stop device and closing device constitute the centre gripping chamber after the combination.

2. The hollow tube punching mechanism according to claim 1, wherein said punching pin is connected to said first cylinder by a connecting assembly, said connecting assembly including a first fixing block and a second fixing block, said first fixing block and said second fixing block being fixedly connected by a bolt.

3. The hollow tube punching mechanism according to claim 2, wherein the first fixed block is horizontally provided with a plurality of jacks, the jacks are arranged in parallel at equal intervals, the jacks are inserted into the punching pins, countersunk screws for limiting the movement of the punching pins are further arranged in the jacks, the second fixed block is connected with the first cylinder through a first connecting rod, a first sliding block is fixedly arranged at the lower end of the second fixed block, the first sliding block is provided with a first sliding rail in sliding connection with the first sliding block, the first sliding rail is fixedly connected with the workbench, and the first cylinder is fixedly connected with the workbench through a fixed seat.

4. The hollow tube punching mechanism according to claim 1, wherein the limiting device comprises a limiting seat, a left limiting block, a right limiting block, and an adjusting screw for adjusting the right limiting block, the limiting seat is provided with a strip-shaped lower groove, the cross section of the lower groove is in a semicircular structure, a plurality of semicircular first concave pits are arranged on two sides of the lower groove, the first concave pits on the two sides of the lower groove have the same central axis, and the limiting seat is fixedly connected with the workbench through screws.

5. The hollow tube punching mechanism according to claim 4, wherein the left stopper and the right stopper are respectively located at both sides of the stopper seat, the left stopper is fixedly connected with the stopper seat, and the right side surface of the left stopper is fitted with the left side surface of the lower groove, the right stopper is fixedly connected with the worktable through a positioning plate, the positioning plate is in threaded connection with the adjusting screw, the right stopper is slidably disposed on the positioning plate through the sliding groove, and the front end of the adjusting screw abuts against the right side surface of the right stopper.

6. The hollow tube punching mechanism according to claim 4, wherein the pressing device comprises a pressing block and a second cylinder capable of pushing the pressing block to move, the pressing block is provided with an elongated upper groove, the cross section of the upper groove is of a semicircular structure, second pits of the semicircular structure are arranged on two sides of the upper groove, the second pits on two sides of the upper groove have the same central axis, the upper groove and the lower groove are combined to form a clamping cavity, the first pit and the second pit are combined to form a circular through hole, the through hole is connected with the punching needle in a sliding manner, the pressing block is provided with an upper clamping plate fixedly connected, and the upper clamping plate is connected with the second cylinder through a second connecting rod.

7. The hollow tube punching mechanism according to claim 6, wherein the upper clamp plate is fixedly provided with a second slide block, the second slide block is provided with a second slide rail connected with the second slide block in a sliding manner, and the second slide rail and the second cylinder are both connected with the workbench through a support frame.

8. The hollow tube punching mechanism according to claim 1, wherein handles for gripping are provided on the left and right sides of the table, support legs are fixedly provided below the table, and the number of the support legs is four and is located at four corners of the table respectively.