CN215237918U

CN215237918U - Three-jaw chuck structure for workpiece clamping for machining of numerical control lathe

Info

Publication number: CN215237918U
Application number: CN202121362122.7U
Authority: CN
Inventors: 康长玉; 王雪明; 李忠春; 写莹莹
Original assignee: Langfang Kanghua Machinery Co ltd
Current assignee: Langfang Kanghua Machinery Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-21
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a numerical control lathe processing is with tight three-jaw chuck structure of using of work piece clamp, including the chuck body, the installation piece is installed at the top of chuck body, installs at the top of installation piece and installs the piece additional, and a base piece is installed at the top in the middle of the chuck body, and the elevator is installed at the top of base piece, stretches out the piece card and inserts in the chuck body, installs the piece additional and install in draw-in groove and regulating block, can make the device press from both sides tight back work more reliable and more stable, the elevator that is equipped with, the cooperation of lifting bolt and lifting mouth, can conveniently adjust the processing material of elevator top support.

Description

Three-jaw chuck structure for workpiece clamping for machining of numerical control lathe

Technical Field

The utility model belongs to the technical field of lathe processing, specifically be a numerical control lathe processing is with tight three-jaw chuck structure of using of work piece clamp.

Background

The three-jaw chuck is a machine tool accessory which clamps and positions a workpiece by utilizing the radial movement of three movable jaws uniformly distributed on a chuck body. The three-jaw chuck is usually matched with rotary machine tool equipment such as a lathe and the like to work, a workpiece which is usually clamped by the three-jaw chuck is cylindrical, and the cylindrical workpiece is very suitable for clamping by using the three-jaw chuck.

The utility model discloses a three-jaw chuck is used to numerical control machinery of authorizing bulletin number CN206527351U, the utility model discloses a three-jaw chuck is used to numerical control machinery, including three-jaw chuck body, three-jaw chuck body includes disk body, first jack catch, second jack catch and third jack catch, the shaft hole has been seted up to the intermediate position in the disk body, first jack catch, second jack catch and third jack catch are located the inslot on the disk body, first jack catch, second jack catch and third jack catch surface are equipped with first fixing bolt, be equipped with second fixing bolt on the disk body, it is equipped with the toper piece to lie in the shaft hole top on first jack catch, second jack catch and the third jack catch, toper piece bottom is equipped with the screw rod, set up the screw hole that corresponds with the screw rod on first jack catch, second jack catch and the third jack catch. The utility model discloses novel structure, convenient operation through set up three toper pieces on three-jaw chuck, three toper pieces form the toper round platform for three-jaw chuck structure can press from both sides tight toper work piece, has increased three-jaw chuck's the tight mode of clamp, has very high practicality.

However, the three-jaw chuck for the numerical control machine cannot adjust clamping according to the size of a machining material, so that the usable range of the three-jaw chuck is reduced, the clamping mode is easy to loosen, threat hidden danger is caused, and no clamping depth adjusting device is arranged, so that shaking is easy to cause during clamping.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control lathe processing is with tight three-jaw chuck structure of using of work piece clamp to solve clamping device and become flexible easily and can not adjust the problem of pressing from both sides tight degree of depth according to the processing material.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a numerical control lathe processing is with tight three-jaw chuck structure of using of work piece clamp, includes the chuck body, the chuck body is used for installing relevant part equipment, the installation piece is installed at the top of chuck body, and the installation piece is used for installing on the chuck body, install the piece additional at the top of installation piece, install the top at the piece additional, can make it can enlarge application range through setting up different piece additional, a base piece is installed at the top in the middle of the chuck body, the elevator is installed at the top of base piece, and the base piece is used for the installation and limits the elevator.

Preferably, be provided with on the installation piece and stretch out a block joint in the chuck body, stretch out to be provided with construction bolt on the piece and fix on the chuck body, stretch out a block joint in the chuck body, then rethread construction bolt steps up fixedly and can make the installation piece vertically more stable can not rock.

Preferably, the top of installation piece is provided with the draw-in groove, install the piece additional and install in the draw-in groove, through setting up the draw-in groove then the installation can make the piece of installing additional transversely can not take place to rock, also can install the different piece of installing additional through setting up fixed draw-in groove and enlarge application range.

Preferably, the installing block is provided with a convex block, the convex block is provided with a counter bore, the bottom of the counter bore is provided with an installing bolt which is installed on the installing block, and the installing bolt is installed through the convex block, so that the installing block is reliably fixed on the top of the installing block.

Preferably, the top of lug is provided with presss from both sides tight piece, press from both sides to install the tight pole of screw thread on the tight piece, the bottom of the tight pole of screw thread is provided with the regulating block, and the tight pole of screw thread passes through threaded connection with pressing from both sides tight piece, then can adjust the distance between the regulating block through rotating the tight pole of screw thread, can make to press from both sides tightly more reliable.

Preferably, the base bolt that is provided with a plurality of symmetry on the base piece is installed at the top of chuck body, the bottom of elevator is provided with the slide bar, the slide bar is installed at the center of chuck body and base piece, and the base bolt of a plurality of symmetry installs the base piece on the chuck body, and the slide bar can remove the height that conveniently adjusts the elevator at the center of chuck body and base piece and also eat soon and restrict the elevator bottom and can not rock.

Preferably, be provided with the jack bolt of a plurality of symmetry on the elevator, the inner wall of pressing from both sides tight piece is provided with the lift mouth, the elevator restriction is between the lift mouth, and the jack bolt through a plurality of symmetry fastens the elevator on the base piece, can make the elevator after the height-adjusting firm, can avoid the elevator top to rock through the restriction of lift mouth moreover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the extended block is connected into the chuck body, and the additional mounting block is arranged in the clamping groove and the adjusting block, so that the device can work more stably and reliably after being clamped;

2. through the cooperation of the lifting block, the lifting bolt and the lifting port, the processing material supported by the top of the lifting block can be conveniently adjusted.

Drawings

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

fig. 2 is a cross-sectional view of the present invention.

In the figure: 1. a chuck body; 2. mounting blocks; 3. a protruding block; 4. installing a bolt; 5. adding a block; 6. a card slot; 7. installing a bolt; 8. a bump; 9. a counter bore; 10. a clamping block; 11. screwing the rod; 12. an adjusting block; 13. a lifting port; 14. a lifting block; 15. a lifting bolt; 16. a slide bar; 17. a base block; 18. a base bolt.

Detailed Description

Referring to fig. 1 and 2, a three-jaw chuck structure for clamping a workpiece for machining a numerical control lathe comprises a chuck body 1, wherein the chuck body 1 is used for mounting related component equipment, a mounting block 2 is mounted at the top of the chuck body 1, the mounting block 2 is used for being mounted on the chuck body 1, an additional mounting block 5 is mounted at the top of the mounting block 2, the application range of the three-jaw chuck structure can be expanded by arranging different additional mounting blocks 5, a base block 17 is mounted at the top of the middle of the chuck body 1, a lifting block 14 is mounted at the top of the base block 17, and the base block 17 is used for mounting and limiting the lifting block 14.

Please refer to fig. 1, the mounting block 2 is provided with an extending block 3 which is clamped in the chuck body 1, the extending block 3 is provided with a mounting bolt 4 which is fixed on the chuck body 1, the extending block 3 is clamped in the chuck body 1, and then the mounting block 2 is fastened and fixed by the mounting bolt 4 in the longitudinal direction and can be more stable and not shake.

Please refer to fig. 1, the top of the mounting block 2 is provided with a clamping groove 6, the mounting block 5 is mounted in the clamping groove 6, the mounting block 5 can not shake in the transverse direction by setting the clamping groove 6 and then mounting the mounting block 5, and the mounting block 5 can be mounted differently by setting the fixed clamping groove 6 to expand the application range.

Referring to fig. 1, a bump 8 is arranged on the mounting block 5, a counter bore 9 is arranged on the bump 8, a mounting bolt 7 is arranged at the bottom of the counter bore 9 and is mounted on the mounting block 2, and the mounting block 5 is reliably fixed on the top of the mounting block 2 by arranging the bump 8 and then mounting the mounting bolt 7.

Referring to fig. 1, a clamping block 10 is arranged at the top of the protruding block 8, a threaded tightening rod 11 is mounted on the clamping block 10, an adjusting block 12 is arranged at the bottom of the threaded tightening rod 11, the threaded tightening rod 11 is connected with the clamping block 10 in a threaded manner, and then the distance between the adjusting blocks 12 can be adjusted by rotating the threaded tightening rod 11, so that clamping can be more reliable.

Referring to fig. 1 and 2, a plurality of symmetrical base bolts 18 are arranged on a base block 17 and are installed at the top of a chuck body 1, a slide rod 16 is arranged at the bottom of an elevating block 14, the slide rod 16 is installed at the centers of the chuck body 1 and the base block 17, the base block 17 is installed on the chuck body 1 through the plurality of symmetrical base bolts 18, the slide rod 16 can move at the centers of the chuck body 1 and the base block 17 to conveniently adjust the height of the elevating block 14, and the bottom of the elevating block 14 is restricted from shaking by fast eating.

Referring to fig. 1 and 2, a plurality of symmetrical lifting bolts 15 are arranged on the lifting block 14, lifting ports 13 are arranged on the inner wall of the clamping block 10, the lifting block 14 is limited between the lifting ports 13, the lifting block 14 is fastened on the base block 17 through the plurality of symmetrical lifting bolts 15, the lifting block 14 with the height adjusted can be stable, and the top of the lifting block 14 can be prevented from shaking through the limitation of the lifting ports 13.

The working principle of the scheme is as follows: during installation device, at first with the inside of 3 joints income chuck body 1 of the piece that stretches out on the installation piece 2, through stretching out 3 joint complex modes of piece, can avoid rocking of installation piece 2, make the device after the installation more stable, then fastening mounting bolt 4 makes stretch out 3 complete installations in chuck body 1 of piece, then install additional piece 5 through the 6 installations of draw-in groove that 2 tops of installation piece were equipped with, then install additional bolt 7 and make and install 5 fastenings at the top of installation piece 2 additional, then the tight pole 11 of screw thread connection is installed to the tight piece 10 of the clamp that 2 tops of installation piece set up, then rotate the tight pole 11 of screw thread and can adjust the distance between the regulating block 12, can make and press from both sides tightly more reliable.

When the depth of the processed material needs to be adjusted, the lifting bolts 15 symmetrically arranged on the base block 17 on the lifting block 14 can be adjusted, then the sliding rod 16 is improved or lowered to move at the centers of the chuck body 1 and the base block 17, the lifting bolts 15 are tightened after the sliding rod is adjusted to a proper position, and meanwhile, the top of the lifting block 14 can be limited between the lifting ports 13 to avoid the lifting block from shaking.

Claims

1. The utility model provides a numerical control lathe processing is with tight three-jaw chuck structure of using of work piece clamp, includes chuck body (1), its characterized in that: the chuck is characterized in that an installation block (2) is installed at the top of the chuck body (1), an additional installation block (5) is installed at the top of the installation block (2), a base block (17) is installed at the top of the middle of the chuck body (1), and a lifting block (14) is installed at the top of the base block (17).

2. The numerical control lathe machining workpiece clamping three-jaw chuck structure according to claim 1, characterized in that: the chuck is characterized in that an extending block (3) is arranged on the mounting block (2) and clamped in the chuck body (1), and a mounting bolt (4) is arranged on the extending block (3) and fixed on the chuck body (1).

3. The numerical control lathe machining workpiece clamping three-jaw chuck structure according to claim 1, characterized in that: the top of installation piece (2) is provided with draw-in groove (6), install in draw-in groove (6) additional piece (5).

4. The numerical control lathe machining workpiece clamping three-jaw chuck structure according to claim 1, characterized in that: be provided with lug (8) on installing piece (5) additional, be provided with counter bore (9) on lug (8), the bottom of counter bore (9) is provided with installs bolt (7) additional and installs on installation piece (2).

5. The numerical control lathe work piece clamping three-jaw chuck structure according to claim 4, characterized in that: the top of lug (8) is provided with presss from both sides tight piece (10), press from both sides to install screw tight pole (11) on tight piece (10), the bottom of screw tight pole (11) is provided with regulating block (12).

6. The numerical control lathe machining workpiece clamping three-jaw chuck structure according to claim 1, characterized in that: the base bolt (18) that is provided with a plurality of symmetry on base piece (17) is installed at the top of chuck body (1), the bottom of elevator block (14) is provided with slide bar (16), the center at chuck body (1) and base piece (17) is installed in slide bar (16).

7. The numerical control lathe machining workpiece clamping three-jaw chuck structure according to claim 5, characterized in that: a plurality of symmetrical lifting bolts (15) are arranged on the lifting block (14), lifting ports (13) are formed in the inner wall of the clamping block (10), and the lifting block (14) is limited between the lifting ports (13).