CN213195688U

CN213195688U - Three-jaw self-centering chuck for multi-specification screws

Info

Publication number: CN213195688U
Application number: CN202022072380.3U
Authority: CN
Inventors: 刘佳
Original assignee: Suzhou Zhuozhijia Precision Components Co ltd
Current assignee: Suzhou Zhuozhijia Precision Components Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-14
Anticipated expiration: 2030-09-21

Abstract

The utility model provides a three-jaw is from centering chuck for many specifications screw relates to screw mechanism field, including anchor clamps main part and fixed ear. In the utility model, the oil storage box body is firstly fixed on the clamp main body by the magnetic force of the oil storage box body through the three adsorption magnets, lubricating oil is poured into the oil storage cavity inside the oil storage box body through the oil filling port, the lubricating oil slowly permeates into the lubricating sponge through the oil seepage hole, the movable claw block is rubbed with the lubricating sponge when moving, so that the lubricating oil in the lubricating sponge is uniformly coated on the surface of the movable claw block and slowly permeates into the clamp main body for lubrication, the clamp has the advantages that the three adsorption magnets on the convenient lubricating device are directly installed and fixed on the clamp main body without entering holes for bolt fixation, and the clamp is protected from being influenced during working, and after the installation, the movable claw block is in friction with the lubricating sponge during transmission, lubricating oil is automatically smeared and lubricated, the lubricating oil is not required to be frequently smeared by workers, time and labor are saved relatively, and the working efficiency is improved.

Description

Three-jaw self-centering chuck for multi-specification screws

Technical Field

The utility model discloses screw processing relates to the field, especially relates to a three-jaw is from centering chuck for many specifications screw.

Background

The screw is a tool for fastening machine parts of objects step by utilizing the physics and mathematical principles of the inclined plane circular rotation and friction of the objects, and the screws with multiple specifications are fixed and processed by a three-jaw self-centering chuck.

However, since the three-jaw self-centering chuck is driven to clamp and fix, the jaw block moves in the moving groove of the clamp body for a long time, so that parts are seriously worn, the service life is shortened, lubricating oil needs to be frequently smeared by workers, time and labor are relatively wasted, and a lubricating device convenient to smear needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-jaw is from centering chuck for many specifications screw to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: a three-jaw self-centering chuck for multi-specification screw, including anchor clamps main part and fixed ear, the upper end of anchor clamps main part evenly is provided with the shifting chute, the surface mosaic of shifting chute has the removal claw piece, the upper end middle part of shifting chute runs through there is the locating hole, the left end that removes the claw piece is located the right-hand unsmooth chuck that is provided with of locating hole, the even welding of outer end downside of anchor clamps main part has fixed ear, fixed ear outer end downside is located and is provided with the transmission connecting hole between two fixed ears, the left front end that removes the claw piece is located the upper left magnetic force of locating hole and is fixed with convenient lubricating arrangement, convenient lubricating arrangement includes lubricated sponge, oiling mouth, adsorption magnet, observation window, oil storage box body, oil storage chamber and oil seepage hole, the lower extreme of oil storage box body evenly inlays and is fixed with adsorption magnet, the front end middle part of oil storage box body is provided with the, the rear end of the oil storage box body is inlaid and is fixed with lubricating sponge, the upper end right side of the oil storage box body is provided with the oiling mouth, the inner of anchor clamps main part is provided with the driving disc, the surface of driving disc evenly is provided with the transmission groove, the middle part in transmission groove is inlayed and is had the mosaic block, the upper end pivot of mosaic block is connected with the movable block, it is connected with the welding in the movable groove with the movable block to remove the claw piece, the lower extreme of driving disc is provided with the transmission worm wheel, and the worm wheel is connected with the transmission worm through the tooth trace interlock.

Preferably, the observation window level transparent glass can observe the amount of lubricating oil stored in the oil storage cavity in the oil storage box body.

Preferably, the oil storage box body injects external lubricating oil into the oil storage cavity through the oil injection port, and the lubricating oil uniformly permeates into the lubricating sponge through the oil seepage hole.

Preferably, the adsorption magnet is provided with three, and three the adsorption magnet fixes oil storage box body magnetic force on the anchor clamps main part when the lubricated sponge contacts with the removal claw piece.

Preferably, the lubricating sponge is in contact with one surface of the movable claw block and rubs against the lubricating sponge when the movable claw block moves, so that lubricating oil in the lubricating sponge is uniformly coated on the surface of the movable claw block and slowly permeates into the clamp body for lubrication.

Preferably, the mosaic blocks are three, the mosaic block rotating shafts are connected with the three movable claw blocks, when the transmission disc moves clockwise, the three mosaic blocks start to move inwards in the transmission groove, and the rotating shafts rotate to drive the movable claw blocks on the movable block to move towards the positioning holes in the movable groove.

The utility model has the advantages that:

in the utility model, the convenient lubricating device comprises a lubricating sponge, an oil filling port, an adsorption magnet, an observation window, an oil storage box body, an oil storage cavity and an oil penetration hole, the lubricating sponge on the oil storage box body is firstly close to the movable claw block to be contacted with the movable claw block, then the three adsorption magnets are used for fixing the magnetic force of the oil storage box body on the clamp main body, lubricating oil is poured into the oil storage cavity inside the oil storage box body through the oil filling port, a worker can check the lubricating oil capacity in the oil storage cavity through the observation window, the lubricating oil slowly permeates into the lubricating sponge through the oil penetration hole and is rubbed with the lubricating sponge when the movable claw block moves, so that the lubricating oil in the lubricating sponge is uniformly coated on the surface of the movable claw block and slowly permeates into the inside of the clamp main body for lubrication, the beneficial effects are that the lubricating device is directly installed and fixed on the clamp main body through the three adsorption magnets, the protection anchor clamps during operation can not receive the influence, and after the installation when removing the claw piece transmission with lubricated sponge friction, scribble the lubrication with lubricating oil automatically, reduce wearing and tearing, increase life need not the staff and frequently scribble lubricating oil, labour saving and time saving relatively passes through work efficiency.

Drawings

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

fig. 2 is a schematic perspective view of the convenient lubricating device of the present invention;

FIG. 3 is a schematic cross-sectional view of the portable lubricating device of the present invention;

FIG. 4 is a schematic view of the internal three-dimensional structure of the main body of the clamp of the present invention;

reference numerals: 1. positioning holes; 2. moving the claw block; 3. a moving groove; 4. a clamp body; 5. fixing the ear; 6. a transmission connecting hole; 7. a concave-convex chuck; 8. a convenient lubricating device; 9. embedding blocks; 10. a moving block; 11. a transmission groove; 12. a drive plate; 13. a drive worm; 81. a lubricating sponge; 82. an oil filling port; 83. adsorbing a magnet; 84. an observation window; 85. an oil storage box body; 86. an oil storage chamber; 87. an oil penetration hole.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

A three-jaw is from centering chuck for many specifications screw, including anchor clamps main part 4 and fixed ear 5, the upper end of anchor clamps main part 4 evenly is provided with shifting chute 3, the surface mosaic of shifting chute 3 has removal claw piece 2, the upper end middle part of shifting chute 3 runs through there is locating hole 1, the left end that removes claw piece 2 is located locating hole 1 right-hand unsmooth chuck 7 that is provided with, the outer end downside of anchor clamps main part 4 evenly welds fixed

ear

5, 5 outer end downside of fixed ear is located and is provided with transmission connecting hole 6 between two fixed ears 5.

A three-jaw self-centering chuck for multi-specification screws comprises a movable claw block 2, wherein a convenient lubricating device 8 is fixed at the left upper part of a positioning hole 1 at the left front end of the movable claw block by magnetic force, the convenient lubricating device 8 comprises a lubricating sponge 81, an oil filling hole 82, adsorption magnets 83, an observation window 84, an oil storage box body 85, an oil storage cavity 86 and oil penetration holes 87, external lubricating oil is filled into the oil storage cavity 86 through the oil filling hole 82 by the oil storage box body 85, the lubricating oil uniformly penetrates into the lubricating sponge 81 through the oil penetration holes 87, the lubricating oil in the oil storage cavity 86 can be used for a long time by slowly penetrating into the lubricating sponge 81 through the oil penetration holes 87, the adsorption magnets 83 are uniformly embedded and fixed at the lower end of the oil storage box body 85, the adsorption magnets 83 are three, the three adsorption magnets 83 fix the oil storage box body 85 on a clamp main body 4 by magnetic force when the lubricating sponge 81 is in contact with the movable claw block 2, the oil storage box body 85 can not be driven to deviate when being moved by the movable claw block 2, the front end middle part of the oil storage box body 85 is provided with an observation window 84, the observation window 84 is transparent glass, the amount of lubricating oil stored in the oil storage cavity 86 inside the oil storage box body 85 can be observed, the lubricating oil in the oil storage cavity 86 can be checked through the observation window 84, the oil can be conveniently and timely added, the rear end of the oil storage box body 85 is inlaid and fixed with a lubricating sponge 81, the lubricating sponge 81 is in one-side contact with the movable claw block 2, the lubricating sponge 81 is in friction with the lubricating sponge 81 when the movable claw block 2 moves, the lubricating oil in the lubricating sponge 81 is uniformly smeared on the surface of the movable claw block 2, the lubricating oil slowly permeates into the inside of the clamp body 4 and is lubricated, the inside of the clamp body 4 is lubricated, the internal abrasion of the clamp body 4 is reduced.

A three-jaw self-centering chuck for many specifications screw, the inner including anchor clamps main part 4 is provided with driving plate 12, the surface of driving plate 12 evenly is provided with drive groove 11, the middle part of drive groove 11 is inlayed and is had mosaic block 9, mosaic block 9 is provided with threely, and three mosaic block 9 pivot is connected with three removal claw piece 2, when driving plate 12 clockwise moves, three mosaic block 9 begins to inwards remove in drive groove 11, it removes to locating hole 1 direction in the groove 3 again to drive removal claw piece 2 on the movable block 10 through the pivot rotation, mosaic block 9's upper end pivot is connected with movable block 10, it is connected with the welding in the movable block 3 with movable block 10 to remove claw piece 2, the lower extreme of driving plate 12 is provided with the transmission worm wheel, and the worm wheel is connected with transmission worm 13 through the tooth mark interlock.

The working principle is as follows: after the utility model is installed, when the utility model is needed, firstly, the clamp body 4 is fixed on the workbench through three fixing lugs 5, and the external transmission rotating shaft is inserted into the transmission connecting hole 6 and connected with the transmission worm 13, the screw is placed into the positioning hole 1, the transmission rotating shaft drives the transmission worm 13 to rotate, the transmission disc 12 rotates clockwise when the transmission worm 13 passes through the transmission worm wheel, the three mosaic blocks 9 start to move inwards in the transmission groove 11, the moving claw block 2 on the three moving blocks 10 is driven by the rotation of the rotating shaft to move towards the positioning hole 1 in the moving groove 3, the concave-convex chuck 7 clamps and fixes the bolt in the positioning hole 1, the bolt is convenient to process, the moving claw block 2 is lubricated by the convenient lubricating device 8 in the processing process, the lubricating sponge 81 on the oil storage box body 85 is close to the moving claw block 2 to contact with the moving claw block, then the magnetic force 85 of the oil storage box body is fixed on the clamp body 4 by the three adsorption, lubricating oil is poured into an oil storage cavity 86 inside the oil storage box body 85 through the oil filling port 82, a worker can check the capacity of the lubricating oil in the oil storage cavity 86 through the observation window 84, the lubricating oil slowly permeates into the lubricating sponge 81 through the oil permeating hole 87, and the lubricating oil in the lubricating sponge 81 is made to be evenly smeared on the surface of the movable claw block 2 and slowly permeates into the inside of the clamp body 4 to be lubricated when the movable claw block 2 moves.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A three-jaw is from centering chuck for many specifications screw, including anchor clamps main part (4) and fixed ear (5), its characterized in that: the clamp is characterized in that a moving groove (3) is uniformly formed in the upper end of the clamp body (4), a moving claw block (2) is inlaid in the surface of the moving groove (3), a positioning hole (1) penetrates through the middle of the upper end of the moving groove (3), a concave-convex chuck (7) is arranged on the right side of the left end of the moving claw block (2) positioned at the positioning hole (1), fixing lugs (5) are uniformly welded on the lower side of the outer end of the clamp body (4), a transmission connecting hole (6) is formed between the two fixing lugs (5) on the lower side of the outer end of each fixing lug (5), a convenient lubricating device (8) is fixed on the left upper side of the positioning hole (1) at the left front end of the moving claw block (2) through magnetic force, and the convenient lubricating device (8) comprises a lubricating sponge (81), an oil filling port (82), an adsorption magnet (83), an observation window (84), an oil storage box body (85), the lower end of the oil storage box body (85) is uniformly embedded and fixed with an adsorption magnet (83), an observation window (84) is arranged in the middle of the front end of the oil storage box body (85), a lubricating sponge (81) is embedded and fixed at the rear end of the oil storage box body (85), an oil filling opening (82) is formed in the right side of the upper end of the oil storage box body (85), a transmission disc (12) is arranged at the inner end of the clamp body (4), the surface of the transmission disc (12) is uniformly provided with transmission grooves (11), the middle part of each transmission groove (11) is embedded with an embedded block (9), the upper end rotating shaft of the mosaic block (9) is connected with a moving block (10), the moving claw block (2) and the moving block (10) are connected and welded in the moving groove (3), the lower end of the transmission disc (12) is provided with a transmission worm wheel, and the worm wheel is connected with a transmission worm (13) through tooth mark meshing.

2. The three-jaw self-centering chuck for multi-gauge screws of claim 1, wherein: the observation window (84) is transparent glass.

3. The three-jaw self-centering chuck for multi-gauge screws of claim 1, wherein: the oil storage box body (85) injects external lubricating oil into the oil storage chamber (86) through the oil injection port (82).

4. The three-jaw self-centering chuck for multi-gauge screws of claim 1, wherein: the adsorption magnet (83) is three, and is three the oil storage box body (85) is fixed on the clamp main body (4) through the adsorption magnet (83) lubricating sponge (81) and the moving claw block (2).

5. The three-jaw self-centering chuck for multi-gauge screws of claim 1, wherein: the lubricating sponge (81) is in contact with one surface of the movable claw block (2).

6. The three-jaw self-centering chuck for multi-gauge screws of claim 1, wherein: the number of the mosaic blocks (9) is three, and the rotating shafts of the mosaic blocks (9) are connected with the three movable claw blocks (2).