CN212191294U

CN212191294U - Adjustable jig for machine tool

Info

Publication number: CN212191294U
Application number: CN202020888577.1U
Authority: CN
Inventors: 崔小波
Original assignee: Suzhou Yeiler Precision Machinery Co ltd
Current assignee: Suzhou Yeiler Precision Machinery Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-22
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses an adjustable jig for machine tool, including chuck body and chassis the top of chuck body is connected with the jack catch, and the jack catch equidistance distributes on the top of chuck body, be provided with the spout in the jack catch, the bottom fixedly connected with cylinder of spout, the one end fixed connection slider of cylinder output shaft, the one end of slider is connected with the I-shaped piece, and slider and I-shaped piece fixed connection, the one end fixed connection antiskid of I-shaped piece connects, set up the screw hole on the jack catch, the jack catch passes through bolt fixed connection with the jack catch chassis, the bottom of jack catch chassis is provided with the lug, and lug and jack catch chassis fixed connection; through being connected of slider and anti-skidding joint, under the effect of cylinder, reciprocating motion is done in the spout to the length is got to the clamp of control work piece, the accuracy of the anchor clamps of improvement.

Description

Adjustable jig for machine tool

Technical Field

The utility model relates to an anchor clamps technical field, concretely relates to adjustable is anchor clamps for lathe.

Background

Clamps were first shown in the late 18 th century. With the continuous progress of science and technology, the clamp has been developed from an auxiliary tool to a complete-class technological device, and the statistics of the international production research institute shows that the varieties of workpieces produced in small batches and various varieties account for about 85% of the total varieties of workpieces. Modern production requires that the product varieties manufactured by enterprises are frequently updated to adapt to the market demands and competition. However, the general enterprises are still used to adopt a large number of traditional special fixtures, and generally have thousands or even nearly ten thousands of special fixtures in factories with medium production capacity; on the other hand, in enterprises of various production, about 50-80% of special clamps are updated every 3-4 years, and the actual abrasion loss of the clamps is only about 10-20%.

Therefore, application number is CN 208342318U's patent discloses an adjustable anchor clamps for lathe the utility model discloses an adjustable anchor clamps for digit control machine tool, comprises a workbench, the spout has been seted up to the symmetry around the workstation top, and two second sliders of equal sliding connection on two I shape slides, the piston rod of first cylinder runs through the inner wall of spout and links to each other four with first slider the L shaped plate has all been welded to the inside wall of second slider, the top of diaphragm is equipped with the third cylinder, the piston rod of third cylinder runs through the diaphragm, and the piston rod lower extreme of third cylinder is equipped with the compact heap, and the lateral wall of second slider is connected to the piston rod of second cylinder. This adjustable anchor clamps for digit control machine tool can be according to the length size of work piece, starts first cylinder and drives first slider and remove about in the spout, can change the distance between two I shape slides, and then changes the distance between two L shaped plates of left end and two L shaped plates of right-hand member, places the work piece of treating of different length through the distance between the L shaped plate about changing.

However, in this patent, the accuracy of the jig is not high, and the front end of the jig cannot adjust the gripping length; the two-jaw clamp is not high in stability, when the two-jaw clamp is stressed in multiple directions, the clamping workpiece is easy to fall off, the production risk is brought, the production cost is increased, and a solution is provided for overcoming the defects.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide an adjustable is anchor clamps for lathe, be connected through slider and anti-skidding joint, under the effect of cylinder, reciprocating motion is done in the spout, thereby the clamp of control work piece gets length, the accuracy of the anchor clamps of improvement, rotate adjusting device, drive big bevel gear through the bevel pinion, big bevel gear's a screw thread drives the square, reciprocating motion is done to the square on the lead screw, under the effect of recess, reciprocating motion is done on the square on the jack catch chassis, thereby the metal block motion, adjust the size of anchor clamps.

The purpose of the utility model can be realized by the following technical scheme:

a clamping apparatus for an adjustable machine tool comprises a clamping chuck body and a base plate, wherein clamping jaws are connected to the top end of the clamping chuck body and are distributed on the top end of the clamping chuck body at equal intervals, sliding grooves are formed in the clamping jaws, air cylinders are fixedly connected to the bottom ends of the sliding grooves, one ends of output shafts of the air cylinders are fixedly connected with sliding blocks, one ends of the sliding blocks are connected with I-shaped blocks, the sliding blocks are fixedly connected with the I-shaped blocks, one ends of the I-shaped blocks are fixedly connected with anti-skidding joints, threaded holes are formed in the clamping jaws, the clamping jaws are fixedly connected with the clamping jaw base plate through bolts, and protruding blocks are arranged at the bottom;

the inside of base is provided with slider, slider includes recess, rack, lead screw and square, the both ends and the base fixed connection of lead screw, the lead screw runs through the square, and the square can be reciprocating motion on the lead screw, the top of square is provided with the recess, the recess agrees with each other with the lug, the bottom fixedly connected with rack of square, rack and big bevel gear interconnect, and rack and big bevel gear agree with each other, the bottom fixedly connected with adjusting device of big bevel gear.

Further, the chuck body is embedded with screws at equal intervals.

Furthermore, a triangular cushion block is arranged at the center of the chuck body and fixedly connected with the chuck body.

Further, the base plate is provided with a screw hole, and the screw hole is in clearance fit with the screw.

Further, adjusting device includes metal pole, triangle handle and bevel pinion, bevel pinion agrees with each other with big bevel gear, bevel pinion and the one end fixed connection of metal pole, the other end of metal pole is provided with the triangle handle, and metal pole and triangle handle fixed connection.

The utility model has the advantages that:

the utility model relates to an adjustable machine tool clamp which is connected with an anti-skid joint through a slide block, under the action of the cylinder, the reciprocating motion is carried out in the chute, thereby controlling the clamping length of the workpiece, improving the accuracy of the clamp, rotating the adjusting device, the small bevel gear drives the big bevel gear, one surface of the big bevel gear is threaded to drive the square block, the square block reciprocates on the screw rod, meanwhile, the claw chassis also does reciprocating motion on the square block, so that the metal block moves to adjust the size of the clamp, under the condition of different workpieces, the clamp can be freely adjusted and normally works, the working efficiency is increased, the manual adjustment mode is energy-saving and environment-friendly, the clamp can be freely adjusted, the use of the clamp is convenient, three clamping jaws are arranged on a clamping jaw chassis, the clamp is designed according to the principle that a triangle is stable, the clamping effect of the clamp is enhanced, and the working efficiency is greatly improved.

Drawings

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

Fig. 1 is a top view of the present invention;

fig. 2 is a schematic structural view of the inside of the present invention;

fig. 3 is a front view of the present invention;

fig. 4 is a schematic structural view of the adjusting lever of the present invention;

fig. 5 is a schematic structural view of the clamp of the present invention;

fig. 6 is a schematic structural diagram of the adjusting device of the present invention.

In the figure: 1. a screw; 2. a chuck body; 3. a claw; 4. an anti-slip joint; 5. screw holes; 6. a large bevel gear; 7. a base; 8. a sliding device; 9. an adjustment device; 10. cushion blocks; 12. a metal rod; 13. a triangular handle; 14. a bevel pinion gear; 15. a jaw chassis; 16. a bump; 18. a threaded hole; 19. a groove; 20. a rack; 21. a screw rod; 22. a square block; 23. a cylinder; 24. a chute; 25. a slider; 26. and (5) forming a shaped 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the utility model relates to an adjustable fixture for machine tool, which comprises a chuck body 2 and a base 7, wherein screws 1 are embedded in the chuck body 2 at equal intervals, a triangular cushion block 10 is arranged at the central position of the chuck body 2, the triangular cushion block 10 is fixedly connected with the chuck body 2, the top end of the chuck body 2 is connected with jaws 3, the jaws 3 are distributed at the top end of the chuck body 2 at equal intervals, a chute 24 is arranged in the jaws 3, a cylinder 23 is fixedly connected with the bottom end of the chute 24, one end of an output shaft of the cylinder 23 is fixedly connected with a slide block 25, one end of the slide block 25 is connected with an I-shaped block 26, the slide block 25 is fixedly connected with the I-shaped block 26, one end of the I-shaped block 26 is fixedly connected with an anti-slip joint 4, a threaded hole 18 is arranged on the jaws 3, and, the bottom end of the jaw chassis 15 is provided with a lug 16, and the lug 16 is fixedly connected with the jaw chassis 15;

the base 7 is provided with a screw hole 5, the screw hole 5 is in clearance fit with the screw 1, a sliding device 8 is arranged inside the base 7, the sliding device 8 comprises a groove 19, a rack 20, a screw rod 21 and a square 22, two ends of the screw rod 21 are fixedly connected with the base 7, the screw rod 21 penetrates through the square 22, the square 22 can reciprocate on the screw rod 21, the top end of the square 22 is provided with the groove 19, the groove 19 is matched with a bump 16, when the square 22 reciprocates on the screw rod 21, a jaw chassis 15 also reciprocates on the square 22, the bottom end of the square 22 is fixedly connected with the rack 20, the rack 20 is matched with the large bevel gear 6, the bottom end of the large bevel gear 6 is fixedly connected with an adjusting device 9, the adjusting device 9 comprises a metal rod 12, a triangular handle 13 and a small bevel gear 14, the small bevel gear 14 is matched with the large bevel gear 6, the bevel pinion 14 is fixedly connected with one end of the metal rod 12, a triangular handle 13 is arranged at the other end of the metal rod 12, and the metal rod 12 is fixedly connected with the triangular handle 13.

The utility model relates to an adjustable jig for machine tool, through the connection of slider 25 and anti-slip joint 4, under the effect of cylinder 23, do reciprocating motion in spout 24, thereby control the length of getting of work piece, the accuracy of the anchor clamps improves, rotate adjusting device 9, drive big bevel gear 6 through bevel pinion 14, a screw thread of big bevel gear 6 drives square 22, square 22 does reciprocating motion on lead screw 21, under the effect of recess 19, jack catch chassis 15 does reciprocating motion on square 22, thereby the metal block moves, adjust the size of the anchor clamps, under the condition of different work pieces, can freely adjust, normally work, increase work efficiency, the mode of manual adjustment, energy-concerving and environment-protective free transfer, bring convenience for the use of anchor clamps, there are three jack catchs 3 on chassis jack catchs 15, design according to the principle that triangle has stability, the effect of getting of the anchor clamps is strengthened, the working efficiency is greatly improved.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The adjustable fixture for the machine tool is characterized by comprising a chuck body (2) and a base (7), wherein the top end of the chuck body (2) is connected with clamping jaws (3), the clamping jaws (3) are equidistantly distributed on the top end of the chuck body (2), sliding chutes (24) are arranged in the clamping jaws (3), air cylinders (23) are fixedly connected to the bottom ends of the sliding chutes (24), one ends of output shafts of the air cylinders (23) are fixedly connected with sliding blocks (25), one ends of the sliding blocks (25) are connected with an I-shaped block (26), the sliding blocks (25) are fixedly connected with the I-shaped block (26), one ends of the I-shaped blocks (26) are fixedly connected with anti-skidding joints (4), threaded holes (18) are formed in the clamping jaws (3), the clamping jaws (3) are fixedly connected with a clamping jaw chassis (15) through bolts, and convex blocks (16) are arranged at the bottom, the lug (16) is fixedly connected with the claw chassis (15);

the inside of base (7) is provided with slider (8), slider (8) are including recess (19), rack (20), lead screw (21) and square (22), the both ends and base (7) fixed connection of lead screw (21), lead screw (21) run through square (22), and square (22) can be reciprocating motion on lead screw (21), the top of square (22) is provided with recess (19), recess (19) agree with each other with lug (16), the bottom fixedly connected with rack (20) of square (22), rack (20) agree with each other with big bevel gear (6), the bottom of big bevel gear (6) is provided with adjusting device (9).

2. The adjustable clamp for machine tools according to claim 1, wherein the chuck body (2) is embedded with screws (1) at equal intervals.

3. The adjustable clamp for the machine tool according to claim 1, wherein a triangular cushion block (10) is arranged at the center of the chuck body (2), and the triangular cushion block (10) is fixedly connected with the chuck body (2).

4. The adjustable clamp for the machine tool according to claim 1, wherein the base (7) is provided with a screw hole (5), and the screw hole (5) is in clearance fit with the screw (1).

5. The adjustable clamp for the machine tool is characterized in that the adjusting device (9) comprises a metal rod (12), a triangular handle (13) and a small bevel gear (14), the small bevel gear (14) is matched with a large bevel gear (6), the large bevel gear (6) is fixedly connected with one end of the metal rod (12), the triangular handle (13) is arranged at the other end of the metal rod (12), and the metal rod (12) is fixedly connected with the triangular handle (13).