CN213591774U

CN213591774U - Lathe fixture

Info

Publication number: CN213591774U
Application number: CN202022125013.5U
Authority: CN
Inventors: 张亮
Original assignee: Suzhou Linwang Machinery Co ltd
Current assignee: Suzhou Linwang Machinery Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-02
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a lathe fixture relates to anchor clamps technical field, aims at solving the fixed problem of damaging easily of tubulose work piece, and its technical scheme main points are: including organism and the three-jaw chuck of setting on the organism, annular array has three holder on the three-jaw chuck, and the one end fixedly connected with grip block that three holder kept away from each other, the cross-section of three grip block all are arc and three grip block and constitute a circular each other, and one side fixedly connected with connecting block that the holder is close to the mount pad, connecting block fixed connection are on the three-jaw chuck, the utility model discloses a set up the grip block, the cross-section of three grip block all is the arc and can constitute a circular each other, has increased the contact area of grip block to the work piece for the atress dispersion avoids causing the damage of pipe wall.

Description

Lathe fixture

Technical Field

The utility model relates to an anchor clamps technical field, more specifically say, it relates to a lathe fixture.

Background

A lathe is a machine tool for turning a rotating workpiece mainly with a lathe tool. The lathe can also be correspondingly processed by a drill bit, a reamer, a screw tap, a die, a knurling tool and the like, and in the processing process, a clamp is needed for fixing a workpiece, and the clamp is an essential component on the lathe.

Most of existing lathes use a three-jaw chuck to fix workpieces and can fix workpieces in various shapes, but when tubular workpieces with thin pipe walls need to be machined, three jaws of the three-jaw chuck apply pressure to the workpieces, and the pipe walls are easily damaged, so that material waste is caused.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a turning attachment for solving the above-mentioned problems.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a turning attachment, includes organism and the three-jaw chuck of setting on the organism, annular array has three holder on the three-jaw chuck, and is three the one end fixedly connected with grip block that the holder was kept away from each other, it is three the cross-section of grip block all is arc and three grip block and constitutes a circular each other, one side fixedly connected with connecting block that the holder is close to the mount pad, connecting block fixed connection is on the three-jaw chuck.

Adopt above-mentioned technical scheme, through setting up the holder, pass through connecting block fixed connection with three holder on every jack catch of three-jaw chuck, utilize the spanner, drive three-jaw chuck, thereby make three jack catch keep away from each other and make three holder keep away from each other, just can place the tubulose work piece between three holder block this moment, drive three-jaw chuck, thereby make three jack catch be close to each other and make three holder block be close to each other, make three holder block be close to each other and carry out the centre gripping to the tubulose work piece, make the work piece fix on the lathe, because the cross-section of three holder block all is the arc and can form a circular each other, the area of contact of holder block to the work piece has been increased, make the atress dispersion, avoid causing the damage of pipe wall, thereby cause the waste of material.

The utility model discloses further set up to: one side of the clamping block close to the clamping piece is fixedly connected with a rubber pad.

By adopting the technical scheme, the rubber pad has certain elasticity, so that the workpiece is prevented from being damaged due to the fact that the outer wall of the workpiece is in direct contact with the clamping block.

The utility model discloses further set up to: the both sides of holder are equal fixedly connected with stiffener.

Adopt above-mentioned technical scheme, through setting up the stiffener, have the enhancement effect for overall structure is more stable.

The utility model discloses further set up to: the clamping piece is provided with a reinforcing block for clamping the inner wall of the workpiece, and the cross section of the reinforcing block is arc-shaped.

Adopt above-mentioned technical scheme, through setting up the reinforcement piece, can consolidate the inner wall of tubulose work piece for the fixed of work piece is more stable, and the cross-section setting of reinforcement piece is the arc, can laminate more with the inner wall of work piece.

The utility model discloses further set up to: the clamping piece is provided with a sliding rail, and one end of the reinforcing block is inserted into the sliding rail and is in sliding connection with the inner wall of the sliding rail.

By adopting the technical scheme, the reinforcing block can slide on the clamping piece by arranging the slide rail, so that the pipe wall thickness of different workpieces is adapted, and the application range is enlarged.

The utility model discloses further set up to: the inner wall of the sliding rail is fixedly connected with an elastic part, one end, far away from the inner wall of the sliding rail, of the elastic part is fixedly connected to the reinforcing block, and the elastic part is used for pushing the reinforcing block to be close to the clamping block.

Adopt above-mentioned technical scheme, through setting up the elastic component, promote the reinforcement piece, make the reinforcement piece keep away from the grip block, the elastic component receives external force to influence and produces deformation, just can easily place the tubulose work piece between three grip block this moment, loosen the reinforcement piece, the elastic component does not receive external force to influence and promotes the inner wall that the reinforcement piece is close to the work piece through the elasticity of self, thereby promote the work piece and be close to the grip block, make the outer wall of work piece and the lateral wall of grip block laminate more, and the inner wall of reinforcement piece and work piece laminates more, make the fixed of work piece more stable.

The utility model discloses further set up to: the inner wall of slide rail has seted up the spout, the both sides fixedly connected with of reinforcement piece and the slider of spout slip adaptation.

By adopting the technical scheme, the moving track of the reinforcing block is limited by arranging the sliding groove and the sliding block, so that the reinforcing block can move more stably, and the elasticity of the elastic part is ensured.

To sum up, the utility model discloses following beneficial effect has:

through setting up the holder, pass through connecting block fixed connection with three holder on every jack catch of three-jaw chuck, utilize the spanner, drive three-jaw chuck, thereby make three jack catch keep away from each other and make three holder keep away from each other, just can place the tubulose work piece between three holder block this moment, drive three-jaw chuck, thereby make three jack catch be close to each other and make three holder close to each other, make three holder block be close to each other and carry out the centre gripping to the tubulose work piece, make the work piece fix on the lathe, because the cross-section of three holder block all is the arc and can form a circular each other, the area of contact of holder block to the work piece has been increased, make the atress dispersion, avoid causing the damage of pipe wall, thereby cause the waste of material.

Drawings

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

fig. 2 is a schematic structural view of the three-jaw chuck of the present invention;

fig. 3 is a schematic structural view of the clamping member of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

Reference numerals: 1. a body; 2. a three-jaw chuck; 3. a clamping member; 4. a clamping block; 5. connecting blocks; 6. a reinforcing bar; 7. a reinforcing block; 8. a slide rail; 9. an elastic member; 10. a chute; 11. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A lathe fixture, as shown in fig. 1-4, comprises a machine body 1, a three-jaw chuck 2 arranged on the machine body 1, and three clamping members 3 annularly arrayed on the three-jaw chuck 2.

As shown in fig. 2-4, connecting block 5 is all welded to the bottom of three holder 3 and through bolt fixed connection on every jack catch of three-jaw chuck 2, the one end welding that three holder 3 kept away from each other has grip block 4, the cross-section of three grip block 4 all sets up and is the arc, and three grip block 4 constitutes a circular each other, grip block 4 is close to one side of holder 3 and passes through adhesive fixedly connected with rubber pad, the rubber pad has certain elasticity, avoid the outer wall of work piece and grip block 4 direct contact, cause the damage of work piece, the reinforcing rod 6 is all welded to the both sides of holder 3, strengthen the effect has, make overall structure more stable.

As shown in fig. 2-4, the clamping member 3 is provided with a slide rail 8, a reinforcing block 7 is slidably connected to the slide rail 8, the top end of the reinforcing block 7 extends out of the slide rail 8, the inner wall of the tubular workpiece can be contacted by arranging the reinforcing block 7, and the reinforcing block 7 can move on the clamping member 3 through the slide rail 8, so that the thickness of the pipe wall of different workpieces can be adapted, the adaptation range is expanded, the cross section of the reinforcing block 7 is arc-shaped, so that the reinforcing block 7 is more attached to the inner wall of the workpiece, the workpiece is more stably fixed, an elastic member 9 is installed in the slide rail 8, the elastic member 9 is a spring, one end of the elastic member 9 is welded on the inner wall of the slide rail 8, the other end of the elastic member 9 is welded on the reinforcing block 7, the elastic member 9 pushes the reinforcing block 7 to be close to the inner wall of the workpiece, so, and make the inner wall of reinforcement piece 7 and work piece laminate more, seted up spout 10 on the inner wall of slide rail 8, the both sides welding of reinforcement piece 7 has the slider 11 with spout 10 slip adaptation, has restricted the removal orbit of reinforcement piece 7 for the removal of reinforcement piece 7 is more stable, and has guaranteed the elasticity of elastic component 9.

The working principle is as follows: the working principle is as follows: by arranging the clamping pieces 3, the three clamping pieces 3 are fixedly connected to each clamping jaw of the three-jaw chuck 2 through the connecting blocks 5, the three-jaw chuck 2 is driven by a wrench, the three clamping jaws are far away from each other, so that the three clamping pieces 3 are far away from each other, the reinforcing block 7 is pushed, the reinforcing block 7 is far away from the clamping blocks 4, the elastic piece 9 is deformed under the influence of external force, at the moment, the tubular workpiece can be placed between the three clamping blocks 4, the reinforcing block 7 is loosened, the elastic piece 9 is not influenced by the external force, the reinforcing block 7 is pushed to be close to the inner wall of the workpiece through the elasticity of the elastic piece 9, so that the workpiece is pushed to be close to the clamping blocks 4, the outer wall of the workpiece is more attached to the side wall of the clamping blocks 4, the reinforcing block 7 is more attached to the inner wall of the workpiece, the three clamping jaws are driven to be close to each other, so that the, make the work piece fix on the lathe, because the cross-section of three grip block 4 all is the arc and can form a circular each other, increased grip block 4 to the area of contact of work piece for the atress dispersion avoids causing the damage of pipe wall, thereby causes the waste of material.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a turning attachment, includes organism (1) and three-jaw chuck (2) of setting on organism (1), its characterized in that: annular array has three holder (3), and is three on three-jaw chuck (2) one end fixedly connected with grip block (4), three that keep away from each other in grip block (3) the cross-section of grip block (4) all is arc and three grip block (4) and constitutes a circular each other, one side fixedly connected with connecting block (5) that holder (3) are close to the mount pad, connecting block (5) fixed connection is on three-jaw chuck (2).

2. The lathe fixture of claim 1, wherein: and a rubber pad is fixedly connected to one side of the clamping block (4) close to the clamping piece (3).

3. The lathe fixture of claim 2, wherein: both sides of the clamping piece (3) are fixedly connected with reinforcing rods (6).

4. The lathe fixture of claim 1, wherein: the clamping piece (3) is provided with a reinforcing block (7) used for clamping the inner wall of the workpiece, and the cross section of the reinforcing block (7) is arc-shaped.

5. The lathe fixture of claim 4, wherein: the clamping piece (3) is provided with a sliding rail (8), and one end of the reinforcing block (7) is inserted into the sliding rail (8) and is in sliding connection with the inner wall of the sliding rail (8).

6. The lathe fixture of claim 5, wherein: the inner wall of the sliding rail (8) is fixedly connected with an elastic part (9), one end, far away from the inner wall of the sliding rail (8), of the elastic part (9) is fixedly connected to the reinforcing block (7), and the elastic part (9) is used for pushing the reinforcing block (7) to be close to the clamping block (4).

7. The lathe fixture of claim 6, wherein: the inner wall of slide rail (8) has seted up spout (10), the both sides fixedly connected with of reinforcement piece (7) and spout (10) slip adaptation's slider (11).