CN218016466U

CN218016466U - Laser pneumatic rear chuck

Info

Publication number: CN218016466U
Application number: CN202221882333.8U
Authority: CN
Inventors: 田纪峰; 邢振宏; 崔炳军
Original assignee: Shandong Senfeng Laser Equipment Co Ltd
Current assignee: Shandong Senfeng Laser Equipment Co Ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-13
Anticipated expiration: 2032-07-21

Abstract

The utility model provides a pneumatic back chuck of laser relates to tubular product processing equipment technical field, and the scheme of adoption is: including jack catch fixing base and cylinder body, be provided with four jack catch sliding seats on the jack catch fixing base, install the jack catch on the jack catch sliding seat, be provided with four piston rods on the cylinder body, wherein be connected with preceding push pedal on two piston rods, be connected with the back push pedal on two other piston rods, preceding push pedal is crossing relation interval arrangement with the back push pedal, the upper and lower both sides of preceding push pedal are provided with preceding link assembly, preceding push pedal is connected with two jack catch sliding seats among them through preceding link assembly, the left and right sides of back push pedal is provided with back link assembly, the back push pedal is connected with two other jack catch sliding seats through back link assembly, be provided with the direction subassembly between jack catch fixing base and the cylinder body, preceding push pedal and back push pedal are connected on the direction subassembly. Has the effects of hollow interior, reasonable and compact structural design and high clamping precision.

Description

Laser pneumatic rear chuck

Technical Field

The utility model relates to a tubular product processing equipment technical field especially relates to a pneumatic back chuck of laser.

Background

The laser pipe cutting machine is mainly used for cutting round pipes, square pipes and flat pipes, and is widely applied due to the advantages of high cutting efficiency, high precision, good cutting section, low processing cost and the like. When laser pipe cutting machine processing tubular product, the cutting accuracy of tubular product has been decided to the stability of tubular product tail end centre gripping, consequently back chuck also plays crucial effect in the cutting, not only requires back chuck to have more stable clamp force and reliability to tubular product on the existing market, still need to have the smoke and dust function of absorption, makes equipment more environmental protection to improve operator operational environment.

The existing pneumatic rear chuck generally adopts a cylinder to push two groups of clamping jaws to complete clamping action, the principle is that the front half of the cylinder utilizes a piston rod to push one group of clamping jaws, after the group of clamping jaws clamp a pipe, the piston rod of the cylinder is blocked, at the moment, the cylinder body can move backwards, and the rear half of the cylinder is utilized to push the other group of clamping jaws to move towards the central axis, so as to clamp a workpiece. However, the structure is relatively complex in interior, the cylinder body needs to slide in the cavity, the processing precision of parts is high, and the cylinder is arranged in the middle of the cylinder body and cannot be made into a hollow structure.

Therefore, aiming at the current situation that the internal structure of the existing pneumatic rear chuck is complex and has low clamping precision, the problem that the laser pneumatic rear chuck with high clamping precision and hollow interior needs to be researched and developed is urgently needed to be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a to the problem that the complicated centre gripping precision of current pneumatic back chuck inner structure is low, propose and design a inside hollow laser pneumatic back chuck, structural design is reasonable, compact, the centre gripping precision is high.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides a pneumatic back chuck of laser, including jack catch fixing base and cylinder body, be provided with four jack catch sliding seats on the jack catch fixing base, install the jack catch on the jack catch sliding seat, be provided with four piston rods on the cylinder body, wherein be connected with preceding push pedal on two piston rods, be connected with the back push pedal on two other piston rods, preceding push pedal and back push pedal are crossing relation interval arrangement, the upper and lower both sides of preceding push pedal are provided with preceding link assembly, preceding push pedal passes through preceding link assembly and is connected with two jack catch sliding seats among them, the left and right sides of back push pedal is provided with back link assembly, the back push pedal passes through back link assembly and is connected with two other jack catch sliding seats, be provided with the direction subassembly between jack catch fixing base and the cylinder body, preceding push pedal and back push pedal are connected on the direction subassembly, in order to realize preceding push pedal and back push pedal steady motion under the promotion of piston rod, a disk body equipartition arranges four piston rods, adopt two push pedals before two liang to promote, back push pedal come the centre gripping work piece, realize jack catch synchronous motion, finally realize the synchronous centre gripping of chuck, the direction subassembly is with the help of space between cylinder body and the jack catch fixing base, rational arrangement, it is high to have the direction precision, the machining cost is low, the advantage of easy assembly, and the middle tuber pipe of can be good can be realized, make the cavity structure of chuck.

Furthermore, the guide assembly comprises a front push plate guide pillar and a rear push plate guide pillar, one ends of the front push plate guide pillar and the rear push plate guide pillar are connected with the cylinder body, the other ends of the front push plate guide pillar and the rear push plate guide pillar are connected with the clamping jaw fixing seat, the front push plate guide pillar penetrates through the front push plate, and the rear push plate guide pillar penetrates through the rear push plate. Furthermore, ball guide sleeves are arranged on the front push plate and the rear push plate, the front push plate guide column penetrates through the ball guide sleeves on the front push plate, and the rear push plate guide column penetrates through the ball guide sleeves on the rear push plate. The ball guide sleeves are arranged in the front push plate and the rear push plate, so that the front push plate and the rear push plate can stably and reliably slide along guide pillars fixed on the cylinder body, and the guide pillars are reasonably arranged by means of the space between the cylinder body and the clamping jaw fixing seat, so that the function of high guiding precision is achieved.

Furthermore, preceding link assembly and back link assembly all include pull rod and shifting block, and the shifting block is articulated with the pull rod, and on the shifting block was connected to the jack catch sliding seat, preceding push pedal was connected with two upper and lower jack catches through two sets of preceding link assembly's pull rod and shifting block, and back push pedal was connected with two left and right jack catches through other two sets of back link assembly's pull rod and shifting block.

Further, the device also comprises a base and a main shaft, wherein the main shaft is arranged on the base, the front part and the rear part are respectively fixed by a disc angular contact bearing, the bearing clearance is adjusted by utilizing the tail round nut, and the middle of the connecting disc of the main shaft is connected with the jaw fixing seat through the sleeve, so that four groups of jaws are driven to rotate. The tail end of the main shaft is connected with a driving assembly, the driving assembly comprises a driving motor and a large gear, the tail end of the main shaft is connected with the large gear, the driving motor is connected with a small gear, and the driving motor finally drives the clamping jaws to clamp a workpiece to rotate through gear engagement.

Further, install the tuber pipe subassembly in the main shaft, the tuber pipe subassembly includes tuber pipe, tuber pipe fixed disk and tuber pipe fixing base, and the tuber pipe is fixed in the main shaft by two tuber pipe fixed disks in front and back, is provided with the bearing in the tuber pipe fixed disk, and when the chuck is rotatory, the tuber pipe can not rotate, and the tuber pipe front end and chuck fixing base parallel and level utilize the wind hole in the middle of the jack catch fixing base to absorb the smoke and dust in the work piece, play the purpose of dust removal. The rear end of the air pipe is connected with the chuck seat through the fixed seat, so that the air pipe is prevented from rotating. The rear part of the air pipe is connected with a fan through a hose to extract smoke dust.

According to the technical solution provided by the utility model, the utility model has the advantages of it is following:

this scheme provides a pneumatic back chuck of laser, four piston rods are put to a cylinder block equipartition, push pedal before adopting two liang of promotes, back push pedal comes the centre gripping work piece, realize jack catch synchronous motion, finally realize the synchronous centre gripping of chuck, the guide pillar is with the help of the space between cylinder block and the jack catch fixing base, rational arrangement, it is high to have the direction precision, the processing cost is low, the advantage of easy assembly, and tuber pipe in the middle of can be fine avoiding moreover, make hollow chuck structure realize.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of an embodiment of the present invention.

Fig. 3 is a schematic structural view of the claw fixing seat, the guiding component and the air duct component according to the embodiment of the present invention.

In the figure, the device comprises a base 1, a base 2, a main shaft 3, a connecting disc 4, a claw fixing seat 5, a claw 6, a lifting ring 7, a driving motor 8, a pneumatic sliding ring 9, an air pipe 10, an air cylinder body 11, a rear push plate guide post 12, a ball guide sleeve 13, a piston rod 14, a rear push plate 15, a pull rod 16, a shifting block 17, a claw movable seat 18 and an air pipe fixing disc.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1 to 3, the present embodiment provides a laser pneumatic rear chuck, which includes a jaw fixing seat 4 and a cylinder body 10, four jaw moving seats 17 are provided on the jaw fixing seat 4, jaws 5 are installed on the jaw moving seats 17, four piston rods 13 are provided on the cylinder body 10, a front push plate is connected to two of the piston rods 13, a rear push plate 14 is connected to the other two piston rods 13, the front push plate and the rear push plate 14 are arranged in a crossed relationship at intervals, front link assemblies are provided on the upper and lower sides of the front push plate, the front push plate is connected to two of the jaw moving seats 17 through the front link assemblies, rear link assemblies are provided on the left and right sides of the rear push plate 14, the rear push plate 14 is connected to the other two jaw moving seats 17 through the rear link assemblies, a guide assembly is provided between the jaw fixing seat 4 and the cylinder body 10, the front push plate and the rear push plate 14 are connected to the guide assembly, so as to realize stable movement of the front push plate and the rear push plate 14 under the push of the piston rods 13, four piston rods 13 are uniformly distributed on a disk body, two push plates are adopted to clamp a workpiece, so as to realize synchronous movement of the jaws 5, and finally realize the clamping of the chuck.

Wherein, the guide assembly includes preceding push pedal guide pillar and back push pedal guide pillar 11, and preceding push pedal guide pillar and back push pedal guide pillar 11's one end all is connected with cylinder block 10, and the other end all is connected with jack catch fixing base 4, and preceding push pedal guide pillar passes preceding push pedal, and back push pedal guide pillar 11 passes back push pedal 14. Further, the ball guide sleeves 12 are respectively arranged on the front push plate and the rear push plate 14, the front push plate guide post penetrates through the ball guide sleeves 12 on the front push plate, and the rear push plate guide post 11 penetrates through the ball guide sleeves 12 on the rear push plate 14. The ball guide sleeves 12 are arranged in the front push plate and the rear push plate 14, so that the front push plate and the rear push plate 14 can stably and reliably slide along guide pillars fixed on the cylinder body 10, and the guide pillars are reasonably arranged by means of the space between the cylinder body 10 and the jaw fixing seat 4, so that the function of high guiding precision is achieved. Wherein, preceding link assembly and back link assembly all include pull rod 15 and shifting block 16, and shifting block 16 is articulated with pull rod 15, and shifting block 16 is connected to the jack catch movable seat 17 on, preceding push pedal is connected with two upper and lower jack catches 5 through pull rod 15 and shifting block 16 of two sets of preceding link assembly, and back push pedal 14 is connected with two left and right jack catches 5 through pull rod 15 and shifting block 16 of other two sets of back link assembly.

In some embodiments, the laser pneumatic rear chuck further comprises a base 1 and a main shaft 2, wherein the main shaft 2 is installed on the base 1, the front part and the rear part of the main shaft are fixed by a disc angular contact bearing respectively, the back part and the front part of the main shaft are adjusted by a tail round nut, and the main shaft 2 is connected with a jaw fixing seat 4 through a sleeve in the middle of a connecting disc 3 so as to drive four groups of jaws 5 to rotate. The tail end of the main shaft 2 is connected with a large gear, the driving motor 7 is connected with a small gear, and the driving motor 7 is meshed through the gear to finally drive the clamping jaws 5 to clamp a workpiece to rotate. Install tuber pipe 9 subassembly in the main shaft 2, tuber pipe 9 subassembly includes tuber pipe 9, tuber pipe fixed disk 18 and tuber pipe 9 fixing base, and tuber pipe 9 is fixed in main shaft 2 by two fixed disks in front and back, is provided with the bearing in the tuber pipe fixed disk 18, and when the chuck is rotatory, tuber pipe 9 can not rotate, and tuber pipe 9 front end and chuck fixing base parallel and level utilize the wind hole in the middle of the jack catch fixing base 4 to absorb the smoke and dust in the work piece, play the purpose of dust removal. The rear end of the air pipe 9 is connected with the chuck seat through the fixed seat, so that the air pipe 9 cannot rotate. The rear part of the air pipe 9 is connected with a fan through a hose to extract smoke dust.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings (if any) are used to distinguish relative relationships in position, and are not necessarily qualitative. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a pneumatic back chuck of laser, a serial communication port, including jack catch fixing base and cylinder body, be provided with four jack catch sliding seats on the jack catch fixing base, install the jack catch on the jack catch sliding seat, be provided with four piston rods on the cylinder body, be connected with preceding push pedal on two of them piston rods, be connected with back push pedal on two other piston rods, preceding push pedal and back push pedal are crossing relation interval arrangement, the upper and lower both sides of preceding push pedal are provided with preceding link assembly, preceding push pedal is connected with two of them jack catch sliding seats through preceding link assembly, the left and right sides of back push pedal is provided with back link assembly, back push pedal is connected with two other jack catch sliding seats through back link assembly, be provided with guide assembly between jack catch fixing base and the cylinder body, preceding push pedal and back push pedal are connected on guide assembly.

2. The laser pneumatic rear chuck as claimed in claim 1, wherein the guide assembly includes a front push plate guide post and a rear push plate guide post, one end of each of the front push plate guide post and the rear push plate guide post is connected to the cylinder body, the other end of each of the front push plate guide post and the rear push plate guide post is connected to the jaw fixing base, the front push plate guide post passes through the front push plate, and the rear push plate guide post passes through the rear push plate.

3. The laser pneumatic rear chuck according to claim 2, wherein ball guide sleeves are mounted on both the front push plate and the rear push plate, the front push plate guide post passes through the ball guide sleeve on the front push plate, and the rear push plate guide post passes through the ball guide sleeve on the rear push plate.

4. The laser pneumatic rear chuck according to claim 1, wherein the front connecting rod assembly and the rear connecting rod assembly each include a pull rod and a shifting block, the shifting block is hinged to the pull rod, the shifting block is connected to the movable jaw seat, the front pushing plate is connected to the upper and lower jaws through the pull rods and the shifting blocks of the two groups of front connecting rod assemblies, and the rear pushing plate is connected to the left and right jaws through the pull rods and the shifting blocks of the other two groups of rear connecting rod assemblies.

5. The laser pneumatic rear chuck according to any one of claims 1 to 4, further comprising a base and a spindle, wherein the spindle is mounted on the base, the spindle is connected to the jaw fixing base through an intermediate sleeve, and a driving assembly is connected to a tail end of the spindle.

6. The laser pneumatic rear chuck of claim 5, wherein a wind tube assembly is mounted in the spindle.

7. The laser pneumatic rear chuck as claimed in claim 6, wherein the air duct assembly includes an air duct, an air duct fixing disk and an air duct fixing seat, the air duct is fixed in the spindle by the front and rear air duct fixing disks, a bearing is provided in the air duct fixing disk, the air duct does not rotate when the chuck rotates, and the front end of the air duct is flush with the chuck fixing seat.