CN210024536U

CN210024536U - Machining center anchor clamps

Info

Publication number: CN210024536U
Application number: CN201920881235.4U
Authority: CN
Inventors: 崔耀中
Original assignee: Nanjing Nawei Precision Machinery Co Ltd
Current assignee: Nanjing Nawei Precision Machinery Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-02-07
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a machining center anchor clamps, comprising a base plate, bottom plate fixedly connected with fixing base, sliding connection has the slide on the bottom plate, be equipped with circular cone groove in the slide, circular cone groove's longitudinal section shape is the taper shape, circular cone groove runs through the fixing base, there are four clamping jaws along circular cone groove sliding connection, the common fixedly connected with linkage post of the left end of four clamping jaws, all be equipped with the rotation limiting block on four clamping jaws, be equipped with in the circular cone groove and supply the gliding spout of rotation limiting block, the left side integrated into one piece of linkage post is equipped with first T shape dish, threaded connection has the fine setting screw rod on the slide, be fixed with the swivel sleeve on the fine setting screw rod, the setting of first T shape dish relative rotation is equipped with coarse adjusting device on.

Description

Machining center anchor clamps

Technical Field

The utility model relates to a machining center equipment, concretely relates to machining center anchor clamps.

Background

The numerical control milling machine is an automatic processing device developed on the basis of a common milling machine, the processing technologies of the two are basically the same, and the structures are somewhat similar. The numerical control milling machine is divided into two categories, namely a tool magazine without tool magazine and a tool magazine with tool magazine. Wherein the numerical control milling machine with the tool magazine is also called as a machining center.

When a clamp of a machining center clamps a workpiece, a chuck fixing mode is generally adopted, the movement of each clamping jaw on the chuck is controlled through the rotation of each bolt, the whole bolt screwing process of the chuck becomes complicated due to the plurality of clamping jaws, and the working efficiency becomes low.

Disclosure of Invention

In order to overcome the deficiencies in the prior art, the utility model discloses a machining center anchor clamps, it can reduce and revolve the phenomenon that the centre gripping inefficiency that revolves soon the bolt and cause repeatedly.

In order to realize the above-mentioned purpose, the utility model discloses a machining center anchor clamps, comprising a base plate, bottom plate fixedly connected with fixing base, sliding connection has the slide on the bottom plate, be equipped with the circular cone groove in the slide, the longitudinal section shape in circular cone groove is the taper shape, the circular cone groove runs through the fixing base, there are four clamping jaws along circular cone groove sliding connection, the common fixedly connected with linkage post of the left end of four clamping jaws, all be equipped with the restriction piece on four clamping jaws, be equipped with in the circular cone groove and supply the gliding spout of restriction piece, the left side integrated into one piece of linkage post is equipped with first T shape dish, threaded connection has the fine setting screw rod on the slide, be fixed with on the fine setting screw rod and change the cover, first T shape dish relative pivoted sets up in change.

Furthermore, the coarse adjustment device comprises a coarse adjustment screw rod which is in threaded connection with the sliding seat, a second T-shaped disc is fixedly connected to the end portion of the coarse adjustment screw rod, the second T-shaped disc is arranged on the fixed seat in a relatively rotating mode, and the screw pitch of the coarse adjustment screw rod is larger than that of the fine adjustment screw rod.

Furthermore, be fixed with the support column on the linkage post, equal first ring of fixedly connected with on each clamping jaw, be fixed with the second ring on the perisporium of support column, be equipped with the hook spring between first ring and the second ring, the both ends of hook spring cup joint with first ring and second ring respectively.

Further, the diameter of the rotating sleeve is larger than that of the conical groove.

Furthermore, the rotating sleeve comprises a disc fixedly connected with the fine adjustment screw rod, a wrapping sleeve is arranged on the outer side of the disc, and the disc and the wrapping sleeve are fixed through bolts.

Has the advantages that: 1. the clamping device is provided with a coarse adjustment device, the coarse adjustment device drives the sliding seat to slide relative to the fixed seat, the sliding seat drives the clamping jaws to slide relative to the conical groove through the fine adjustment screw and the rotating sleeve, the clamping jaws are limited by the inner wall of the conical groove and are mutually folded along the axis, and the clamping jaws jointly hold a workpiece;

2. the fine adjustment screw is arranged, and the fine adjustment screw can drive the clamping jaws to slide relative to the conical groove through rotation of the fine adjustment screw, so that the clamping jaws are limited by the conical groove and are mutually folded along the axis to clamp a column workpiece.

Drawings

The invention will be further described and illustrated with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the whole of the present embodiment;

FIG. 2 is a schematic structural diagram of an auxiliary device in the present embodiment;

fig. 3 is a schematic structural view of the swivel sleeve in the present embodiment.

Reference numerals: 1. a base plate; 2. a fixed seat; 3. a slide base; 4. a conical groove; 5. a clamping jaw; 6. a linkage column; 7. a rotation limiting block; 8. a chute; 9. a first T-shaped disk; 10. fine adjustment of the screw rod; 11. rotating the sleeve; 12. a coarse adjustment device; 121. roughly adjusting the screw rod; 122. a second T-shaped disk; 13. a support pillar; 14. a first circular ring; 15. a second circular ring; 16. a hook spring; 17. a disc; 18. and (6) wrapping the sleeve.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

Example (b): the utility model provides a machining center anchor clamps, includes bottom plate 1, and bottom plate 1 is installed in machining center, is fixed with a fixing base 2 and sliding connection on the bottom plate 1 and has a slide 3, and slide 3 is in the left side of fixing base 2, is equipped with circular cone groove 4 in fixing base 2, and circular cone groove 4 runs through fixing base 2, and the shape of circular cone groove 4 is conical, and the big one side of notch of circular cone groove 4 is in the right side. Four clamping jaws 5 are arranged in the conical groove 4, the four clamping jaws 5 can slide along the axis of the conical groove 4, and when the four clamping jaws 5 slide along the axis of the conical groove 4, the four clamping jaws 5 are folded along the axis of the conical groove 4 and clamp a workpiece. The clamping jaw 5 can clamp the object to be processed only by screwing the fine adjustment screw 10 or the rough adjustment screw 121, so that the situation that the clamping efficiency of the clamping jaw 5 is low due to repeated screwing of the bolt is reduced.

The left sides of the four clamping jaws 5 are provided with linkage columns 6, the linkage columns 6 are fixedly connected with the four clamping jaws 5 at the same time, the four clamping jaws 5 have certain elasticity to automatically open outwards along the axis of the conical groove 4, and a user can place a workpiece between the four clamping jaws 5 conveniently.

The left side integrated into one piece of linkage post 6 is provided with first T dish 9, and the longitudinal section of first T dish 9 is the T shape, and the left side of first T dish 9 is equipped with commentaries on classics cover 11, and first T dish 9 stretches into in changeing cover 11 to the setting of first T dish 9 relative rotation is in changeing cover 11. The left side of the rotating sleeve 11 is fixedly connected with a fine adjustment screw 10, and the fine adjustment screw 10 is in threaded connection with the sliding seat 3. The fine tuning screw 10 transmits power to the sliding of the clamping jaws 5, the outer side faces of the four clamping jaws 5 are respectively and fixedly connected with a rotation limiting block 7, a plurality of sliding chutes 8 for the rotation limiting blocks 7 to slide are formed in the inner wall of the conical groove 4, and the sliding chutes 8 are matched with the rotation limiting blocks 7 to limit the rotation of the clamping jaws 5 relative to the axis of the conical groove 4.

The rotating sleeve 11 comprises a disc 17 fixedly connected with the fine adjustment screw 10, a wrapping sleeve 18 is arranged on the outer side of the disc 17, the inner wall of the inner wall disc 17 of the wrapping sleeve 18 is attached to the inner wall of the outer wall of the wrapping sleeve 18, and a plurality of bolts are inserted into the outer wall of the wrapping sleeve 18 and are simultaneously in threaded connection with the disc. The left side of the aforementioned linkage post 6 is in the wrapping sleeve 18, and the right side surface of the linkage post 6 is in abutment with the inner wall of the wrapping sleeve 18, and the left side surface of the linkage post 6 is in abutment with the right side surface of the disc 17.

In addition to the fine adjustment screw 10 transmitting power to the sliding movement of the jaws 5, the slide 3 is provided with a coarse adjustment device 12 for transmitting power. The rough adjusting device 12 comprises a rough adjusting screw 121 in threaded connection with the sliding base 3, a second T-shaped disc 122 is fixedly connected to the right side of the rough adjusting screw 121, and the second T-shaped disc 122 is relatively rotatably arranged on the fixed base 2.

Still be equipped with between each clamping jaw 5 and be used for assisting the open auxiliary device of each clamping jaw 5, auxiliary device includes the support column 13 fixed with linkage post 6, equal fixedly connected with first ring 14 on four clamping jaws 5, four second rings 15 of fixedly connected with respectively on the perisporium of support column 13, be equipped with hook spring 16 between every first ring 14 and the second ring 15, the hook portion at hook spring 16 both ends cup joints in first ring 14 and second ring 15 respectively, hook spring 16's both ends can rotate for first ring 14 or second ring 15, hook spring 16 is in compression state, hook spring 16 promotes each clamping jaw 5 through self elasticity and opens along circular cone 4 axis.

The above detailed description merely describes the preferred embodiments of the present invention and does not limit the scope of the present invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the present invention is determined by the claims.

Claims

1. The machining center clamp comprises a bottom plate (1) and is characterized in that the bottom plate (1) is fixedly connected with a fixing seat (2), the bottom plate (1) is connected with a sliding seat (3) in a sliding mode, a conical groove (4) is formed in the sliding seat (3), the longitudinal section of the conical groove (4) is conical, the conical groove (4) penetrates through the fixing seat (2), four clamping jaws (5) are connected with the conical groove (4) in a sliding mode, the left ends of the four clamping jaws (5) are fixedly connected with a linkage column (6) together, the four clamping jaws (5) are provided with rotation limiting blocks (7), a sliding groove (8) for the rotation limiting blocks (7) to slide is formed in the conical groove (4), a first T-shaped disc (9) is formed on the left side of the linkage column (6) in an integrated mode, and a fine adjustment screw (10) is connected to the sliding seat (3) through threads, a rotating sleeve (11) is fixed on the fine adjustment screw rod (10), the first T-shaped disc (9) is arranged in the rotating sleeve (11) in a relatively rotating mode, and a coarse adjustment device (12) is arranged on the sliding seat (3).

2. The machining center clamp according to claim 1, wherein the rough adjusting device (12) comprises a rough adjusting screw rod (121) which is in threaded connection with the sliding base (3), a second T-shaped disc (122) is fixedly connected to the end of the rough adjusting screw rod (121), the second T-shaped disc (122) is arranged on the fixed base (2) in a relatively rotating mode, and the thread pitch of the rough adjusting screw rod (121) is larger than that of the fine adjusting screw rod (10).

3. The machining center fixture as claimed in claim 1, wherein a support column (13) is fixed on the linkage column (6), a first circular ring (14) is fixedly connected to each clamping jaw (5), a second circular ring (15) is fixed on the peripheral wall of the support column (13), a hook spring (16) is arranged between the first circular ring (14) and the second circular ring (15), and two ends of the hook spring (16) are respectively sleeved with the first circular ring (14) and the second circular ring (15).

4. A machining center clamp according to claim 1, characterized in that the diameter of the swivel sleeve (11) is larger than the diameter of the conical groove (4).

5. The machining center clamp as claimed in claim 1, wherein the rotating sleeve (11) comprises a disc (17) fixedly connected with the fine adjustment screw (10), a wrapping sleeve (18) is arranged on the outer side of the disc (17), and the disc (17) and the wrapping sleeve (18) are fixed through bolts.