CN216463241U

CN216463241U - Adjustable numerical control machine tool fixture

Info

Publication number: CN216463241U
Application number: CN202122882988.7U
Authority: CN
Inventors: 王志学; 郝双双; 陈秀; 李敏; 王宇; 王其增
Original assignee: Harbin Vocational and Technical College
Current assignee: Harbin Vocational and Technical College
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-10
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to the technical field of numerical control machines and discloses an adjustable numerical control machine tool clamp which comprises a base, wherein the top end of the base is fixedly connected with a stand column, the top of the stand column is movably connected with a clamping device, the clamping device comprises a movable groove, a sector gear is movably arranged in the movable groove, a first rotating shaft is fixedly connected at the axis of the sector gear, a pneumatic telescopic rod is fixedly arranged at the top end of the base, a tooth block is fixedly connected at the top end of the pneumatic telescopic rod, the pneumatic telescopic rod is started to drive the tooth block to lift, teeth at two sides of the tooth block drive the sector gear to rotate around the first rotating shaft as the axis, meanwhile, the first movable plate rotates around the first rotating shaft as the axis, the two clamping blocks are relatively moved through a connecting plate, and meanwhile, the connecting plate is always kept in a horizontal state through a second movable plate movably connected with the top of the stand column, so as to fix the part to be processed on the central line of the clamp.

Description

Adjustable numerical control machine tool fixture

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to an adjustable numerical control machine tool clamp.

Background

The numerical control machine tool is an automatic machine tool provided with a program control system, has the characteristics of strong adaptability to a processed object, high processing precision and high production efficiency, and a clamp of the numerical control machine tool is an assembly for fixing an original part in loading processing, has the characteristics of high rigidity and compact structure, is contacted with a positioning reference of a workpiece, and ensures that the workpiece is in a relative correct position relative to a cutter and a machine tool processing movement during processing.

Traditional digit control machine tool anchor clamps are mainly fixed the part of treating processing through the cooperation between the screw when fixing the work piece, and the comparison wastes time and energy, and the central line of fixed part at every turn is misaligned with the center of lathe, needs calibration repeatedly, very expends time, when carrying out large batch processing, can the efficiency of greatly reduced production.

The utility model drives the tooth block to move up and down by the telescopic part of the pneumatic telescopic rod, the tooth block drives the sector gear to rotate through the teeth on the left side and the right side, the sector gear drives the first movable plate to move through the first rotating shaft fixedly connected at the axle center, and the first movable plate drives the two clamping blocks to move relatively through the connecting plate to clamp, so that the machined part is aligned with the central line of the machine tool.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an adjustable numerical control machine tool clamp which has the advantage that a machined part is aligned with the central line of a machine tool, and the problem that the part needs to be repeatedly calibrated during machining is solved.

(II) technical scheme

In order to achieve the aim of aligning the machined part with the central line of the machine tool, the utility model provides the following technical scheme: an adjustable numerical control machine tool clamp comprises a base, wherein the top end of the base is fixedly connected with an upright post, the top of the upright post is movably connected with a clamping device, the clamping device comprises a movable groove, a sector gear is movably arranged in the movable groove, a first rotating shaft is fixedly connected at the axis of the sector gear, a first movable plate is fixedly connected at the left end and the right end of the first rotating shaft, the top end of the first movable plate is movably connected with a second rotating shaft, the outer wall of the second rotating shaft is movably connected with a connecting plate, one end of the connecting plate close to the central line of the base is fixedly connected with a clamping block, one end of the connecting plate far away from the second rotating shaft is movably connected with a third rotating shaft, the outer wall swing joint of third axis of rotation has the second fly leaf, the top fixed mounting of base has pneumatic telescopic link, pneumatic telescopic link's top fixedly connected with tooth piece.

Preferably, the movable groove is formed in the top end of the upright post.

Preferably, the clamping surface of the clamping block is provided with rubber anti-slip lines, so that friction force can be increased, and the contact surface between the part and the clamp is protected.

Preferably, the bottom of the second movable plate is movably connected with the top of the upright post through a shaft, and the shaft and the first rotating shaft are in the same horizontal line, so that the movable range of the second movable plate is fixed.

Preferably, the second rotating shaft and the third rotating shaft are on the same horizontal line, so that the second movable plate and the first movable plate are always in parallel relation.

Preferably, the top and the bottom of tooth piece all are provided with the stopper, and the tooth piece left and right sides is equipped with the tooth, and with sector gear intermeshing, drives sector gear motion when the tooth piece reciprocates.

(III) advantageous effects

Compared with the prior art, the utility model provides an adjustable numerical control machine tool clamp which has the following beneficial effects:

this adjustable digit control machine tool anchor clamps drives the tooth piece through starting pneumatic telescopic link and goes up and down, and the tooth of tooth piece both sides drives sector gear and rotates around first axis of rotation as the axle center, and first fly leaf uses first axis of rotation as the axle rotation simultaneously, and first fly leaf makes two grip blocks make relative motion through the connecting plate, and the connecting plate keeps the horizontality throughout through the second fly leaf with the top swing joint of stand simultaneously to the part of treating processing is fixed at the anchor clamps central line between two parties.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A in accordance with the present invention;

FIG. 3 is a left side schematic view of the structure of the present invention.

In the figure: 1. a base; 2. a column; 3. a clamping device; 301. a movable groove; 302. a sector gear; 303. a first rotating shaft; 304. a first movable plate; 305. a second rotating shaft; 306. a connecting plate; 307. a clamping block; 308. a third rotating shaft; 309. a second movable plate; 310. a pneumatic telescopic rod; 311. a tooth block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an adjustable numerically controlled machine tool clamp comprises a base 1, wherein two upright columns 2 are fixedly connected to the top end of the base 1, two upright columns 2 are arranged, a clamping device 3 is movably connected to the top end of each upright column 2, each clamping device 3 comprises a movable groove 301, each movable groove 301 is formed in the top end of each upright column 2, a sector gear 302 is movably installed inside each movable groove 301, a first rotating shaft 303 is fixedly connected to the axis of each sector gear 302, first movable plates 304 are fixedly connected to the left end and the right end of each first rotating shaft 303, each first rotating shaft 303 is movably connected to the top end of each upright column 2, a second rotating shaft 305 is movably connected to the top end of each first movable plate 304, a connecting plate 306 is movably connected to the outer wall of each second rotating shaft 305, a clamping block 307 is fixedly connected to one end, close to the center line of the base 1, rubber anti-slip patterns are arranged on the clamping surfaces of the clamping blocks 307, the friction force can be increased and the contact surface between the part and the clamp can be protected, one end of the connecting plate 306 far away from the second rotating shaft 305 is movably connected with a third rotating shaft 308, the outer wall of the third rotating shaft 308 is movably connected with a second movable plate 309, the bottom of the second movable plate 309 is movably connected with the top of the upright 2 through a shaft, and the shaft and the first rotating shaft 303 are in the same horizontal line, the movable range of the second movable plate 309 is fixed, the second rotating shaft 305 and the third rotating shaft 308 are on the same horizontal line, so that the second movable plate 309 and the first movable plate 304 are always in parallel relation, the top end of the base 1 is fixedly provided with a pneumatic telescopic rod 310, the top end of the pneumatic telescopic rod 310 is fixedly connected with a tooth block 311, the top end and the bottom end of the tooth block 311 are both provided with a limit block, and the left and right sides of the tooth block 311 are provided with teeth which are meshed with the sector gear 302, and the tooth block 311 drives the sector gear 302 to move when moving up and down.

The working principle is as follows: the pneumatic telescopic rod 310 is started to drive the gear block 311 to move up and down, the gear block 311 drives the sector gear 302 to rotate by taking the first rotating shaft 303 as an axis through the gear teeth on the left side and the right side, the first rotating shaft 303 is movably connected with the upright post 2, the first rotating shaft 303 drives the first movable plate 304 to rotate through fixed connection, the first movable plate 304 drives the connecting plate 306 to move through movable connection, meanwhile, the second movable plate 309 is movably connected with the connecting plate 306 through a third rotating shaft 308, and the bottom of the second movable plate 309 is movably connected to the top of the column 2 through a shaft at the same level with the first rotating shaft 303, the first movable plate 304 and the second movable plate 309 are always parallel, therefore, the connecting plate 306 is always in a horizontal state, and the connecting plate 306 drives the clamping block 307 through the first movable plate 304 to simultaneously clamp the part to be machined to the center line, so that the purpose of aligning the center line of the part to be machined with the center line of the machine tool is achieved.

In summary, the adjustable numerically controlled machine tool fixture drives the tooth block 311 to ascend and descend by starting the pneumatic telescopic rod 310, the teeth on both sides of the tooth block 311 drive the sector gear 302 to rotate around the first rotating shaft 303 as an axis, meanwhile, the first movable plate 304 rotates around the first rotating shaft 303 as an axis, the first movable plate 304 enables the two clamping blocks 307 to move relatively through the connecting plate 306, and meanwhile, the connecting plate 306 is always kept in a horizontal state through the second movable plate 309 movably connected with the top of the upright column 2, so that the part to be machined is centrally fixed on the center line of the fixture.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable digit control machine tool anchor clamps, includes base (1), its characterized in that: the top end of the base (1) is fixedly connected with an upright post (2), and the top end of the upright post (2) is movably connected with a clamping device (3);

the clamping device (3) comprises a movable groove (301), a sector gear (302) is movably mounted in the movable groove (301), a first rotating shaft (303) is fixedly connected to the axis of the sector gear (302), first movable plates (304) are fixedly connected to the left end and the right end of the first rotating shaft (303), a second rotating shaft (305) is movably connected to the top end of the first movable plate (304), and a connecting plate (306) is movably connected to the outer wall of the second rotating shaft (305);

one end fixedly connected with grip block (307) that connecting plate (306) are close to base (1) central line, the one end swing joint who keeps away from second axis of rotation (305) of connecting plate (306) has third axis of rotation (308), the outer wall swing joint of third axis of rotation (308) has second fly leaf (309), the top fixed mounting of base (1) has pneumatic telescopic rod (310), the top fixedly connected with tooth piece (311) of pneumatic telescopic rod (310).

2. An adjustable numerically controlled machine tool clamp according to claim 1, wherein: the movable groove (301) is arranged at the top end of the upright post (2).

3. An adjustable numerically controlled machine tool clamp according to claim 1, wherein: the clamping surface of the clamping block (307) is provided with rubber anti-skid lines.

4. An adjustable numerically controlled machine tool clamp according to claim 1, wherein: the bottom of the second movable plate (309) is movably connected with the top of the upright post (2) through a shaft, and the shaft and the first rotating shaft (303) are in the same horizontal line.

5. An adjustable numerically controlled machine tool clamp according to claim 1, wherein: the second rotating shaft (305) and the third rotating shaft (308) are positioned on the same horizontal line.

6. An adjustable numerically controlled machine tool clamp according to claim 1, wherein: the top and the bottom of tooth piece (311) all are provided with the stopper, and tooth piece (311) left and right sides is equipped with the tooth, and with sector gear (302) intermeshing.