CN211439015U

CN211439015U - Clamping tool for machine tool machining

Info

Publication number: CN211439015U
Application number: CN201921879993.9U
Authority: CN
Inventors: 宫相坤
Original assignee: Zhaoyuan Hongrun Machinery Manufacturing Co ltd
Current assignee: Zhaoyuan Hongrun Machinery Manufacturing Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-09-08
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a centre gripping frock is used in machine tool machining, including the lathe chuck body, the surface of lathe chuck body articulates there is the clamping bar, and the surface of clamping bar is inconsistent with the inner wall of first movable block, the top of first movable block articulates there is the fixed ring, the bottom fixed surface of fixed ring is connected with first dead lever, and the bottom fixed connection of first dead lever rotates the ring, the side fixedly connected with slider of rotating the ring, the outside fixedly connected with connecting rod of rotating the ring, and the surface of connecting rod articulates there is the second movable block. The utility model discloses set up second movable block and first screw rod, make the second movable block remove through rotating first screw rod to conveniently press from both sides the work piece of different diameters, through the rotation of dwang, make the second screw rod move in the safety cover is inside, make the shrink of lathe chuck body advance inside the safety cover, thereby can prevent that the dust from piling up on the chuck surface.

Description

Clamping tool for machine tool machining

Technical Field

The utility model relates to a metalworking apparatus technical field specifically is a centre gripping frock is used in machine tool machining.

Background

The chuck is a fixture used for processing inner and outer revolution surfaces and end surfaces of a workpiece on a machine tool, and is a machine tool accessory for clamping and positioning the workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body. The chuck generally comprises a chuck body, jaws and a driving mechanism. The chuck body is provided with a hole in the center, so that the chuck body can be usually installed on a machine tool, a cylindrical grinding machine and an internal grinding machine for use through workpieces or bars, and can also be matched with various indexing devices for use on a milling machine and a drilling machine.

When the workpiece is machined in the work of the existing chuck, the workpiece is placed in the chuck and needs to be fixed for multiple times, the time for fixing the workpiece is prolonged, the machining efficiency of the workpiece is affected, meanwhile, after the machine tool is used and completed, the chuck is exposed outside for a long time, dust is accumulated on the surface easily, the service life of the clamp is shortened, and the clamp is damaged, so that the clamping tool for machining the machine tool is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centre gripping frock is used in machine tool machining to troublesome poeration influences machining efficiency and the chuck exposes the problem of collecting up the dust easily outside for a long time when the chuck that proposes presss from both sides the work piece in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping tool for machine tool machining comprises a machine tool chuck body, wherein a clamping rod is hinged to the surface of the machine tool chuck body, the surface of the clamping rod is abutted against the inner wall of a first moving block, a fixed circular ring is hinged to the top end of the first moving block, a first fixed rod is fixedly connected to the bottom end surface of the fixed circular ring, a rotating circular ring is fixedly connected to the bottom end of the first fixed rod, a sliding block is fixedly connected to the side surface of the rotating circular ring, a connecting rod is fixedly connected to the outer side of the rotating circular ring, a second moving block is hinged to the surface of the connecting rod, a first screw rod is inserted into the second moving block, one end, away from the connecting rod, of the first screw rod is inserted into the fixed block, a clamping strip is fixedly connected to the side surface of the machine tool chuck body and inserted into a protective cover, a rotating rod is installed inside one end, away from, and the surface of dwang is inconsistent with the surface of gear, the gear inner wall is inconsistent with the surface of second screw rod, the inside right side top fixed connection with the second dead lever in safety cover right side, and the left side top of second dead lever articulates there is the rotation round wheel.

Preferably, the clamping rods are provided with three groups, the clamping rods are inserted into the first moving block, and the clamping rods and the first moving block form a sliding structure.

Preferably, the rotating round wheel is provided with a fixed ring group, a round groove is formed in the gear, and the rotating round wheel and the round groove formed in the gear form a sliding structure.

Preferably, the four groups of sliding blocks are arranged, the sliding blocks are inserted into circular grooves formed in the machine tool chuck body, and the circular grooves formed in the machine tool chuck body and the sliding blocks form a sliding structure.

Preferably, the inner wall of the gear is provided with an internal thread, the surface of the second screw is provided with an external thread, and the external thread arranged on the surface of the second screw is matched with the internal thread arranged in the protective cover for use.

Preferably, the surface of dwang is provided with the external screw thread, and the external screw thread that the dwang surface set up constitutes the rotary type structure with the gear.

Compared with the prior art, the beneficial effects of the utility model are that: this centre gripping frock for lathe processing sets up second movable block and first screw rod, makes the second movable block remove through rotating first screw rod to conveniently press from both sides the work piece of different diameters, through the rotation of dwang, can make gear revolve, through the inside removal of second screw rod at the safety cover, make inside lathe chuck body shrink advances the safety cover, thereby can prevent that the dust from piling up on the chuck surface.

(1) The device is provided with a second moving block and a first screw rod, the second moving block is driven to move through the rotation of the first screw rod in the second moving block, so that the connecting rod can be driven to move simultaneously, and the rotating ring is driven to rotate through the movement of the connecting rod, so that workpieces with different diameters can be clamped by the clamping rod in the middle of the top end phase.

(2) The device drives the rotation of gear through rotating the dwang, makes the second screw rod pass through the internal thread removal that the gear inner wall set up, when the second screw rod removed, can drive the removal of lathe chuck body, and the removal through lathe chuck body can prevent that the dust from piling up on the chuck surface.

Drawings

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

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 4 is a schematic side view of the structure of the fixed ring and the rotating ring of the present invention;

fig. 5 is a schematic side view of the gear and the rotating rod structure of the present invention.

In the figure: 1. a machine tool chuck body; 2. a clamping bar; 3. a first moving block; 4. fixing the circular ring; 5. rotating the circular ring; 6. a protective cover; 7. a connecting rod; 8. a second moving block; 9. a first screw; 10. a fixed block; 11. clamping the strip; 12. rotating the round wheel; 13. a slider; 14. a first fixing lever; 15. a second screw; 16. a gear; 17. a second fixing bar; 18. rotating the rod.

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.

Referring to fig. 1-5, the present invention provides an embodiment: a clamping tool for machine tool machining comprises a machine tool chuck body 1, wherein clamping rods 2 are hinged to the surface of the machine tool chuck body 1, three groups of clamping rods 2 are arranged, the clamping rods 2 are inserted into a first moving block 3, the clamping rods 2 and the first moving block 3 form a sliding type structure, the top ends of the clamping rods 2 can be folded through the first moving block 3, the surface of each clamping rod 2 is abutted to the inner wall of the first moving block 3, the top end of the first moving block 3 is hinged with a fixed ring 4, the bottom end surface of the fixed ring 4 is fixedly connected with a first fixed rod 14, the bottom end of the first fixed rod 14 is fixedly connected with a rotating ring 5, a sliding block 13 is fixedly connected to the side surface of the rotating ring 5, four groups of sliding blocks 13 are arranged on the sliding blocks 13, the sliding blocks 13 are inserted into circular grooves formed in the machine tool chuck body 1, and the circular grooves formed in the machine tool chuck body 1 and, the rotating ring 5 can be fixed inside the machine tool chuck body 1 through the sliding block 13, the machine tool chuck body 1 can not rotate when the rotating ring 5 rotates through the circular groove arranged inside the machine tool chuck body 1, the connecting rod 7 is fixedly connected to the outer side of the rotating ring 5, the surface of the connecting rod 7 is hinged with the second moving block 8, the first screw 9 is inserted inside the second moving block 8, one end, far away from the connecting rod 7, of the first screw 9 is inserted inside the fixed block 10, the clamping strip 11 is fixedly connected to the side surface of the machine tool chuck body 1, the clamping strip 11 is inserted inside the protective cover 6, the rotating rod 18 is installed inside one end, far away from the clamping strip 11, of the protective cover 6 through a bearing, the surface of the rotating rod 18 is provided with external threads, the external threads arranged on the surface of the rotating rod 18 and the gear 16 form a rotating type structure, when the rotating rod 18 rotates, which causes rotation of gear 16.

As a further aspect of the present invention, the surface of the rotating rod 18 is in contact with the surface of the gear 16, the inner wall of the gear 16 is provided with an internal thread, the surface of the second screw 15 is provided with an external thread, the external thread provided on the surface of the second screw 15 is matched with the internal thread provided inside the gear 16 for use, the internal thread provided inside the gear 16 can enable the second screw 15 to move inside the gear 16, so as to enable the machine tool chuck body 1 to move integrally, the inner wall of the gear 16 is in contact with the surface of the second screw 15, the inside of the right side of the protecting cover 6 is fixedly connected with the top end of the right side of the second fixing rod 17, the top end of the left side of the second fixing rod 17 is hinged with the rotating circular wheel 12, the rotating circular wheel 12 is provided with four groups of fixing rings, the inside of the gear 16 is provided with a circular groove, the gear 16 can be fixed by rotating the circular wheel 12, and the circular groove formed in the gear 16 can enable the circular wheel 12 to rotate along the circular groove when the gear 16 rotates.

The working principle is as follows: when in use, when a workpiece needs to be processed, according to the attached drawing 1, the first screw 9 is rotated through the bearing in the fixed block 10, the second moving block 8 can be moved through the external thread on the surface of the first screw 9 through the external thread arranged on the inner wall of the second moving block 8, the connecting rod 7 is driven to move through the movement of the second moving block 8, when the connecting rod 7 moves, the rotating ring 5 is driven to rotate, when the rotating ring 5 rotates, the fixed ring 4 can be driven to rotate simultaneously through the first fixed rod 14, according to the attached drawing 3, the groove formed in the machine tool chuck body 1 through the sliding block 13 fixed on the side surface of the rotating ring 5 can enable the rotating ring 5 to rotate in the machine tool chuck body 1, when the fixed ring 4 and the rotating ring 5 rotate, the first moving block 3 is driven to move through the hinge shaft, when the first moving block 3 moves, the top ends of the clamping rods 2 are driven to fold towards the middle of the fixed ring 4, and the workpiece can be clamped through the three groups of clamping rods 2.

When the lathe finishes using, according to fig. 5, rotate dwang 18, the external screw thread that sets up through dwang 18 surface can drive the rotation of gear 16, gear 16 can play the fixed action through inside gliding rotation round wheel 12, according to fig. 2, when gear 16 rotates, second screw rod 15 cooperatees through the internal thread that the external screw thread that the surface set up and gear 16 inner wall set up, can make second screw rod 15 remove, it can make the whole inside of contracting into safety cover 6 of lathe chuck body 1 to remove through second screw rod 15, through two sets of gibs 11 of lathe chuck body 1 side fixed, can play spacing effect, when the drive of protective cover 6 through the lathe pivot simultaneously, can drive the rotation of lathe chuck body 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a centre gripping frock for machine tool machining, includes lathe chuck body (1), its characterized in that: the surface of the machine tool chuck body (1) is hinged with a clamping rod (2), the surface of the clamping rod (2) is abutted against the inner wall of a first moving block (3), the top end of the first moving block (3) is hinged with a fixed circular ring (4), the bottom end surface of the fixed circular ring (4) is fixedly connected with a first fixed rod (14), the bottom end of the first fixed rod (14) is fixedly connected with a rotating circular ring (5), the side surface of the rotating circular ring (5) is fixedly connected with a sliding block (13), the outer side of the rotating circular ring (5) is fixedly connected with a connecting rod (7), the surface of the connecting rod (7) is hinged with a second moving block (8), a first screw rod (9) is inserted into the second moving block (8), one end, far away from the connecting rod (7), of the first screw rod (9) is inserted into the fixed block (10), and the side surface of the machine tool chuck body (1) is fixedly connected with a clamping strip (, and card strip (11) insert the inside of establishing at safety cover (6), the one end inside of keeping away from card strip (11) in safety cover (6) installs dwang (18) through the bearing, and the surface of dwang (18) is inconsistent with the surface of gear (16), the surface of gear (16) inner wall and second screw rod (15) is inconsistent, the inside right side top fixed connection with second dead lever (17) in safety cover (6) right side, and the left side top of second dead lever (17) articulates there is rotation round wheel (12).

2. The clamping tool for machine tool machining according to claim 1, characterized in that: the clamping rods (2) are provided with three groups, the clamping rods (2) are inserted in the first moving block (3), and the clamping rods (2) and the first moving block (3) form a sliding structure.

3. The clamping tool for machine tool machining according to claim 1, characterized in that: the four groups of rotating round wheels (12) are arranged, circular grooves are formed in the gear (16), and the rotating round wheels (12) and the circular grooves formed in the gear (16) form a sliding structure.

4. The clamping tool for machine tool machining according to claim 1, characterized in that: the four groups of sliding blocks (13) are arranged, the sliding blocks (13) are inserted into circular grooves formed in the machine tool chuck body (1), and the circular grooves formed in the machine tool chuck body (1) and the sliding blocks (13) form a sliding structure.

5. The clamping tool for machine tool machining according to claim 1, characterized in that: the inner wall of the gear (16) is provided with internal threads, the surface of the second screw (15) is provided with external threads, and the external threads arranged on the surface of the second screw (15) are matched with the internal threads arranged in the gear (16) for use.

6. The clamping tool for machine tool machining according to claim 1, characterized in that: the surface of dwang (18) is provided with the external screw thread, and the external screw thread that dwang (18) surface set up constitutes the rotary type structure with gear (16).