CN216881774U

CN216881774U - Floating back-pull chuck with airtightness detection function

Info

Publication number: CN216881774U
Application number: CN202220431193.6U
Authority: CN
Inventors: 王建华; 孙世峰
Original assignee: Qiantian Precision Technology Wuxi Co ltd
Current assignee: Qiantian Precision Technology Wuxi Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-05
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses a floating back-pull chuck with airtightness detection, which comprises a mounting plate, a connecting and mounting mechanism and a positioning and fixing mechanism, wherein the connecting and mounting mechanism is arranged on the top of the mounting plate, the positioning and fixing mechanism is arranged on the mounting plate, the connecting and mounting mechanism comprises a base, and the base is arranged on the top of the mounting plate. According to the utility model, through the mutual matching of the through groove, the positioning block, the first bearing, the forward rotation threaded rod, the reverse rotation threaded rod, the fixing shaft, the second bearing, the connecting shaft, the driving gear, the driven gear, the rotation block, the fixing bolt, the thread block, the moving block, the limiting groove, the fixing groove and the stop block, the floating back-pull chuck is convenient to disassemble and assemble, the disassembling and assembling process is simple and convenient, the stability of the floating back-pull chuck during fixing is ensured, all stress points are prevented from being completely concentrated on the bolt, the phenomenon that the bolt is deformed after being used for a long time is avoided, and the practicability is greatly improved.

Description

Floating back-pull chuck with airtightness detection function

Technical Field

The utility model relates to the technical field of floating back-pull chucks, in particular to a floating back-pull chuck with air tightness detection.

Background

The blank part is produced to need to use the floating back-pull chuck to clamp it tightly fixedly during processing usually, and the floating back-pull chuck passes through the base to be fixed to the mounting panel, then is fixed to the workstation to the mounting panel.

But the inconvenient dismouting that carries on of common unsteady back-pull chuck, the dismouting process is complicated troublesome, and it only fixes to rely on the bolt when the installation of unsteady back-pull chuck is fixed moreover, leads to the stress point to be whole to concentrate on the bolt, and long-time the phenomenon that leads to the bolt to appear warping takes place, influences its life greatly, has reduced the practicality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a floating pull-back chuck with air tightness detection, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a floating back-pull chuck with airtightness detection comprises a mounting plate, a connecting and mounting mechanism and a positioning and fixing mechanism, wherein the connecting and mounting mechanism is arranged at the top of the mounting plate, and the positioning and fixing mechanism is arranged on the mounting plate;

the connecting and mounting mechanism comprises a base, the base is arranged on the top of the mounting plate, a floating back-pull chuck body is arranged on the top of the base, and an air tightness detection body is arranged on the top of the floating back-pull chuck body;

the positioning and fixing mechanism comprises a through groove and positioning grooves, the through groove is formed in the middle point of the front bottom of the mounting plate, the number of the positioning grooves is four, the positioning grooves are formed in the top of the mounting plate respectively, positioning blocks are arranged at the bottom of the base and correspond to the positioning grooves, the bottoms of the positioning blocks penetrate through the positioning grooves and extend into the positioning grooves, first bearings are arranged in grooves on the left side and the right side of the inner wall of the through groove respectively, forward rotation threaded rods and reverse rotation threaded rods are movably connected to the inner walls of the two first bearings respectively, the forward rotation threaded rods and the reverse rotation threaded rods are fixedly connected through fixing shafts, second bearings are arranged in grooves in the tops of the inner walls of the through groove, connecting shafts are movably connected to the inner walls of the second bearings, driving gears are arranged at the bottoms of the surfaces of the connecting shafts, driven gears meshed with the driving gears are arranged on the surfaces of the fixing shafts, the surface mounting of connecting axle has rotatory piece, the bottom of rotatory piece is provided with the fixing bolt who leads to groove threaded connection, the equal threaded connection in surface of corotation threaded rod and reversal threaded rod has the screw thread piece, the movable block is installed at the top of screw thread piece, the stopper is installed to one side that the movable block is close to the locating piece and corresponds the position of locating piece, the spacing groove has been seted up to one side that the locating piece is close to the stopper, one side that the stopper is close to the spacing groove runs through constant head tank and spacing groove in proper order and extends to the inside of spacing groove, the fixed slot has been seted up to the inside of leading to the groove and the position that corresponds the stopper, the dog is installed to the bottom of stopper.

Preferably, the bottom of the base and the top of the mounting plate are in contact with each other.

Preferably, the top of the rotating block is rotatably connected with the top of the inner wall of the through groove.

Preferably, one side of the moving block, which is close to the inner wall of the through groove, is in sliding connection with the inner wall of the through groove.

Preferably, the bottom of the stopper penetrates the fixing groove and extends to the inside thereof to contact with the inner wall of the fixing groove.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the mutual matching of the through groove, the positioning block, the first bearing, the forward rotation threaded rod, the reverse rotation threaded rod, the fixed shaft, the second bearing, the connecting shaft, the driving gear, the driven gear, the rotating block, the fixed bolt, the threaded block, the moving block, the limiting groove, the fixed groove and the stop block, the floating pull-back chuck is convenient to disassemble and assemble, the disassembling and assembling process is simple and convenient, the stability of the floating pull-back chuck in the fixing process is ensured, all stress points are prevented from being completely concentrated on the bolt, the phenomenon that the bolt is deformed after being used for a long time is avoided, and the practicability is greatly improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a structural section in elevation view of the present invention.

In the figure: the device comprises a mounting plate 1, a connecting and mounting mechanism 2, a base 21, a floating pull-back chuck body 22, an airtight detection body 23, a positioning and fixing mechanism 3, a through groove 31, a positioning groove 32, a positioning block 33, a first bearing 34, a forward rotation threaded rod 35, a reverse rotation threaded rod 36, a fixing shaft 37, a second bearing 38, a connecting shaft 39, a driving gear 310, a driven gear 311, a rotation block 312, a fixing bolt 313, a thread block 314, a moving block 315, a limiting block 316, a limiting groove 317, a fixing groove 318 and a stop block 319.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 protection scope of the present invention.

Referring to fig. 1-2, a floating pull-back chuck with air-tightness detection comprises a mounting plate 1, a connecting and mounting mechanism 2 and a positioning and fixing mechanism 3, wherein the connecting and mounting mechanism 2 is arranged on the top of the mounting plate 1, and the positioning and fixing mechanism 3 is arranged on the mounting plate 1.

The connecting and mounting mechanism 2 comprises a base 21, the base 21 is arranged at the top of the mounting plate 1, the bottom of the base 21 is contacted with the top of the mounting plate 1, a floating rear-pull chuck body 22 is arranged at the top of the base 21, an airtight detection body 23 is arranged at the top of the floating rear-pull chuck body 22, the floating rear-pull chuck body 22 clamps blank parts and can provide better flatness, three claw shafts on the floating rear-pull chuck body 22 are convenient for fixing workpieces, the claw shafts on the floating rear-pull chuck body 22 are provided with detection holes, the claw shafts are gathered in the airtight detection body 23 through an external air pipe and then convey air into the floating rear-pull chuck body 22, the air flows to the detection channel through a main channel of the floating rear-pull chuck body 22, because the detection holes of the claw shafts are contacted with the clamped workpieces, when the workpieces are not attached to the detection holes of the claw shafts, the air leaks from the detection holes, it can be judged that the workpiece is not attached to the jaw shaft, and if there is no gas leakage, it can be judged that the gear ring is attached to the jaw shaft, so that it can be judged whether the workpiece is clamped or not by gas tightness detection, and the working principle of the floating pull-back chuck body 22 is already the prior art, so it is not explained herein too much.

The positioning and fixing mechanism 3 comprises a through groove 31 and positioning grooves 32, the through groove 31 is arranged at the midpoint of the front bottom of the mounting plate 1, the number of the positioning grooves 32 is four, the positioning grooves 32 are respectively arranged at the top of the mounting plate 1, the bottom of the base 21 is fixedly connected with positioning blocks 33 corresponding to the positions of the positioning grooves 32, the bottoms of the positioning blocks 33 penetrate through the positioning grooves 32 and extend to the insides thereof, first bearings 34 are fixedly connected in grooves at the left and right sides of the inner wall of the through groove 31, forward rotation threaded rods 35 and reverse rotation threaded rods 36 are respectively and movably connected on the inner walls of the two first bearings 34, the forward rotation threaded rods 35 and the reverse rotation threaded rods 36 are fixedly connected through fixing shafts 37, second bearings 38 are fixedly connected in the grooves at the top of the inner wall of the through groove 31, connecting shafts 39 are movably connected on the inner walls of the second bearings 38, driving gears 310 are fixedly connected at the bottoms of the surfaces of the connecting shafts 39, driven gears 311 which are fixedly connected with the surfaces of the fixing shafts and mutually meshed with the driving gears 310, the surface of the connecting shaft 39 is fixedly connected with a rotating block 312, the top of the rotating block 312 is rotatably connected with the top of the inner wall of the through groove 31, the bottom of the rotating block 312 is provided with a fixing bolt 313 in threaded connection with the through groove 31, the surfaces of the forward rotation threaded rod 35 and the reverse rotation threaded rod 36 are both in threaded connection with a threaded block 314, the top of the threaded block 314 is fixedly connected with a moving block 315, one side of the moving block 315 close to the inner wall of the through groove 31 is in sliding connection with the inner wall of the through groove 31, one side of the moving block 315 close to the positioning block 33 is fixedly connected with a limiting block 316 corresponding to the positioning block 33, one side of the positioning block 33 close to the limiting block 316 is provided with a limiting groove 317, one side of the limiting block 316 close to the limiting groove 317 sequentially penetrates through the positioning groove 32 and the limiting groove 317 and extends to the inside of the limiting groove 317, the inside of the through groove 31 and the position corresponding to the limiting block 316 is provided with a fixing groove 318, the bottom of the block 319 penetrates through the fixing groove 318 and extends to the inside of the fixing groove 318 and contacts with the inner wall of the fixing groove 318, stopper 316's bottom fixedly connected with dog 319, through logical groove 31, constant head tank 32, locating piece 33, first bearing 34, corotation threaded rod 35, reversal threaded rod 36, fixed axle 37, second bearing 38, connecting axle 39, drive gear 310, driven gear 311, rotatory piece 312, fixing bolt 313, thread piece 314, movable block 315, stopper 316, spacing groove 317, the mutually supporting of fixed slot 318 and dog 319, thereby conveniently carry out the dismouting to the back chuck that floats, and the dismouting process is simple and convenient, the steadiness when having guaranteed the back chuck that floats simultaneously, avoid on whole stress points are all concentrated the bolt, avoid the phenomenon that the deformation appears in the long-time use of bolt, the practicality has been improved greatly.

During the use, when the floating pull-back chuck body 22 needs to be disassembled, the fixing bolt 313 is firstly unscrewed, then the rotating block 312 is rotated, the rotating block 312 drives the driving gear 310 to rotate through the connecting shaft 39, the driving gear 310 drives the fixing shaft 37 to rotate through the driven gear 311, the fixing shaft 37 drives the forward rotation threaded rod 35 and the reverse rotation threaded rod 36 to rotate, so that the two thread blocks 314 move close to each other, the thread blocks 314 drive the limiting blocks 316 and the limiting grooves 317 to separate through the moving blocks 315, meanwhile, the limiting blocks 316 drive the limiting blocks 319 to slide in the fixing grooves 318, when the limiting blocks 316 and the limiting grooves 317 are separated, the floating pull-back chuck body 22 is upwards pulled, so that the positioning blocks 33 and the positioning grooves 32 are separated to complete the disassembly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take airtight floating pull-back chuck that detects, includes mounting panel (1), connection installation mechanism (2) and location fixed establishment (3), its characterized in that: the connecting and mounting mechanism (2) is arranged at the top of the mounting plate (1), and the positioning and fixing mechanism (3) is arranged on the mounting plate (1); the connecting and installing mechanism (2) comprises a base (21), the base (21) is arranged at the top of the installing plate (1), a floating rear pull chuck body (22) is arranged at the top of the base (21), and an air tightness detecting body (23) is arranged at the top of the floating rear pull chuck body (22); the positioning and fixing mechanism (3) comprises a through groove (31) and positioning grooves (32), the through groove (31) is arranged at the central point of the front bottom of the mounting plate (1), the number of the positioning grooves (32) is four, the top of the mounting plate (1) is respectively arranged at the bottoms of the through grooves (31), positioning blocks (33) are arranged at the bottoms of the bases (21) and corresponding to the positions of the positioning grooves (32), the bottoms of the positioning blocks (33) penetrate through the positioning grooves (32) and extend to the insides of the positioning grooves, first bearings (34) are respectively arranged in grooves at the left side and the right side of the inner wall of the through groove (31), forward rotation threaded rods (35) and reverse rotation threaded rods (36) are respectively and movably connected on the inner walls of the two first bearings (34), the forward rotation threaded rods (35) and the reverse rotation threaded rods (36) are fixedly connected through fixing shafts (37), and second bearings (38) are arranged in grooves at the tops of the inner walls of the through groove (31), a connecting shaft (39) is movably connected to the inner wall of the second bearing (38), a driving gear (310) is mounted at the bottom of the surface of the connecting shaft (39), a driven gear (311) meshed with the driving gear (310) is mounted on the surface of the fixed shaft (37), a rotating block (312) is mounted on the surface of the connecting shaft (39), a fixed bolt (313) in threaded connection with the through groove (31) is arranged at the bottom of the rotating block (312), thread blocks (314) are in threaded connection with the surfaces of the forward rotation threaded rod (35) and the reverse rotation threaded rod (36), a moving block (315) is mounted at the top of each thread block (314), a limiting block (316) is mounted at one side, close to the positioning block (33), of each moving block (315) and corresponding to the positioning block (33), and a limiting groove (317) is formed at one side, close to the limiting block (316), of each positioning block (33), one side that stopper (316) are close to spacing groove (317) runs through constant head tank (32) and spacing groove (317) in proper order and extends to the inside of spacing groove (317), fixed slot (318) have been seted up to the inside of logical groove (31) and the position that corresponds stopper (316), dog (319) are installed to the bottom of stopper (316).

2. The floating pullback chuck with hermetic detection as claimed in claim 1, wherein: the bottom of the base (21) is in contact with the top of the mounting plate (1).

3. The floating pullback chuck with hermetic detection as claimed in claim 2, wherein: the top of the rotating block (312) is rotatably connected with the top of the inner wall of the through groove (31).

4. The floating pullback chuck with hermetic detection as claimed in claim 3, wherein: one side of the moving block (315) close to the inner wall of the through groove (31) is connected with the inner wall of the through groove (31) in a sliding mode.

5. The floating pullback chuck with hermetic detection as claimed in claim 4, wherein: the stopper (319) has a bottom portion penetrating the fixing groove (318) and extending to an inside thereof to be in contact with an inner wall of the fixing groove (318).