CN214490159U

CN214490159U - Grinding machine three-jaw device for die machining

Info

Publication number: CN214490159U
Application number: CN202022438230.XU
Authority: CN
Inventors: 唐权贤; 丁清贵
Original assignee: Chengdu Hongda Xingcheng Mould Co ltd
Current assignee: Chengdu Hongda Xingcheng Mould Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-10-26
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a grinding machine three-jaw device that mould processing was used, which comprises a main shaft, the main shaft is equipped with the cross-section and is the circular shape mounting hole, the diameter of mounting hole is followed the preceding terminal surface of main shaft inwards scales up in proper order, the inner wall of mounting hole evenly is equipped with the unanimous first spout of a plurality of degree of depth, the mounting hole stretches out the fixed cylinder that is equipped with in one side of main shaft rear end face, the output fixedly connected with mount pad of cylinder, the preceding terminal surface of mount pad is equipped with three-jaw subassembly, three-jaw subassembly includes a plurality of grip block, the grip block with one side integrated into one piece that the mounting hole is close to each other have with first spout sliding connection's first slider. The design has the advantages that the three clamping jaw assemblies are pushed by the air cylinder to clamp the workpiece, and the clamping efficiency during machining of the grinding machine is improved.

Description

Grinding machine three-jaw device for die machining

Technical Field

The utility model relates to a mould processing equipment field specifically is a grinding machine three-jaw device of mould processing usefulness.

Background

The grinding machine is a machine tool equipment for grinding the surface of a workpiece, and because the precision requirement of the die on assembly is high, the grinding machine is widely applied to the die machining industry, when the die is machined by the grinding machine, a tool for clamping the workpiece is particularly needed, and the workpiece is clamped and fixed, for example, a patent with application number 201420526671.7, including a grinding machine spindle and a three-jaw chuck, and the grinding machine is characterized in that: a spindle flange integrated with a spindle is arranged in a headstock of the internal grinding machine, the ring surface of a four-point chuck is arranged on the axial side of the spindle flange, and a three-jaw chuck is arranged on the inner wall of a ring table of the four-point chuck and is fastened together by bolts through fastening threaded holes of the three; and screwing the locking screws on the circumference of the four-point chuck to vertically jack the outer wall of the three-jaw chuck body, so that the three-jaw chuck is aligned, the end surface of the workpiece is aligned, and the inner circle is aligned. Although the cost of a sliding clamp is saved by the design, the efficiency of clamping the workpiece by the equipment is low, and the equipment has certain limitation in practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grinding machine three-jaw device of mould processing usefulness has solved the problem mentioned in the above-mentioned background art.

For realizing the above-mentioned purpose, the utility model provides a three jack catch devices of grinding machine that mould processing was used, the rotary electric drill comprises a main shaft, the main shaft is equipped with the cross-section and is the circular shape mounting hole, the diameter of mounting hole is followed the preceding terminal surface of main shaft inwards scales up in proper order, the inner wall of mounting hole evenly is equipped with the unanimous first spout of a plurality of degree of depth, the mounting hole stretches out the fixed cylinder that is equipped with in one side of main shaft rear end face, the output fixedly connected with mount pad of cylinder, the preceding terminal surface of mount pad is equipped with three jack catch subassemblies, three jack catch subassemblies include a plurality of grip blocks, the grip block with one side integrated into one piece that the mounting hole is close to each other have with first spout sliding connection's first slider, this design can promote three jack catch subassembly clamping work pieces through the cylinder.

Preferably, the cross sections of the first sliding block and the first sliding groove are both isosceles trapezoids, one side of the first sliding block, which extends into the first sliding groove, is a relatively long bottom side of the isosceles trapezoids, and the design can guarantee the installation position of the clamping plate, so that the clamping precision of the workpiece is improved.

Preferably, the front side of mount pad is equipped with a plurality of edge outer wall to the second spout of mount pad axle center indent, the grip block with one side integrated into one piece that the mount pad is close to each other have with second spout sliding connection's second slider, and this design slides in the second spout through a plurality of grip blocks to when the cylinder promoted three-jaw subassembly front and back to feed, realize pressing from both sides tight work piece of different external diameter size.

Preferably, the section of the second sliding block is circular, the diameter of the second sliding block is larger than the thickness of the clamping plate, and the design can ensure that the three-jaw component is driven by the cylinder to feed forwards and backwards.

Preferably, the front end of the clamping plate is integrally formed with a clamping jaw, and the clamping plate is convenient to clamp a workpiece.

Preferably, the working face of the clamping jaw is uniformly provided with latticed grooves, the design can increase the contact area of the clamping jaw and a workpiece, and therefore the firmness of the three-clamping-jaw assembly for clamping the workpiece is improved.

Preferably, the conical surface angle of mounting hole is 30 degrees, and this design can have comparatively quick clamping speed when the cylinder promotes three jack catch subassemblies and presss from both sides tight work piece, can reserve certain reaction time for the clamping operation again simultaneously to avoid the clamping operation to cause the safety in production accident.

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

the utility model realizes efficient clamping work piece by setting the diameter to gradually increase the mounting holes from the front end face to the rear end face of the main shaft, pushing the mounting seat through the air cylinder and further setting the first chute and the first slider and the second chute and the second slider which are mutually matched; furthermore, the clamping precision of the three-jaw component can be ensured by arranging the first sliding block with the isosceles trapezoid cross section, and arranging the longer bottom edge of the isosceles trapezoid at the side of the first sliding block extending into the first sliding chute; furthermore, the section of the second sliding block is set to be circular, the diameter of the second sliding block is larger than the thickness of the clamping plate, and the three-jaw component can be guaranteed to be driven by the cylinder to realize front and back feeding.

Drawings

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

FIG. 2 is an enlarged view of the internal structure of the present invention;

FIG. 3 is an enlarged view of the mounting base of the present invention;

FIG. 4 is an enlarged view of the three-jaw assembly of the present invention;

fig. 5 is a sectional view of the mounting hole of the present invention.

In the figure: A. a main shaft; 1. mounting holes; 2. a cylinder; 3. a mounting seat; 4. a three-jaw assembly; 11. a first chute; 31. a second chute; 41. a clamping plate; 42. a first slider; 43. a second slider; 44. a claw; 45. and (4) a groove.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, the present invention provides a grinding machine three-jaw device for mold processing, which comprises a main shaft a, the main shaft A is provided with a mounting hole 1 with a circular section, the diameter of the mounting hole 1 is gradually increased inwards along the front end surface of the main shaft A, a plurality of first sliding chutes 11 with the same depth are uniformly arranged on the inner wall of the mounting hole 1, an air cylinder 2 is fixedly arranged on one side of the mounting hole 1 extending out of the rear end face of the main shaft A, the output end of the cylinder 2 is fixedly connected with a mounting seat 3, the front end surface of the mounting seat 3 is provided with a three-jaw component 4, the three-jaw assembly 4 comprises a plurality of clamping plates 41, a first sliding block 42 connected with the first sliding groove 11 in a sliding mode is integrally formed on one side, close to each other, of the clamping plate 41 and the mounting hole 1, and the three-jaw assembly 4 can be pushed to clamp a workpiece through the air cylinder 2.

Referring to fig. 1, 2 and 4, the cross sections of the first sliding block 42 and the first sliding groove 11 are isosceles trapezoids, and one side of the first sliding block 42 extending into the first sliding chute 11 is the relatively longer bottom side of an isosceles trapezoid, the front side of the mounting seat 3 is provided with a plurality of second sliding grooves 31 which are recessed towards the axle center of the mounting seat 3 along the outer wall, a second sliding block 43 connected with the second sliding groove 31 in a sliding manner is integrally formed at one side of the clamping plate 41, which is close to the mounting seat 3, the section of the second sliding block 43 is circular, and the diameter of the second slider 43 is larger than the thickness of the clamping plate 41, the front end of the clamping plate 41 is integrally formed with a claw 44, the working surface of the clamping jaw 44 is uniformly provided with latticed grooves 45, the clamping precision of the three-jaw assembly 4 can be guaranteed through the design, and workpieces of different sizes can be clamped.

Referring to fig. 5, the taper angle of the mounting hole 1 is 30 degrees, and the design can achieve a fast clamping speed when the cylinder 2 pushes the three-jaw assembly 4 to clamp a workpiece, and meanwhile, a certain reaction time can be reserved for clamping operation, so that safety production accidents caused by the clamping operation are avoided.

The utility model discloses a concrete operation as follows:

when a grinding machine three-jaw device for mold processing is used, a workpiece to be processed is placed into a three-jaw assembly 4, a cylinder 2 is started, an output shaft of the cylinder 2 moves forwards to push a mounting seat 3 to move forwards, a clamping plate 41 is connected with a second sliding groove 31 on the mounting seat 3 in a sliding mode through a second sliding block 43, when the mounting seat 3 feeds forwards, the clamping plate 41 is pushed to move forwards, a first sliding block 42 arranged on the clamping plate 41 moves forwards in a first sliding groove 11, and because the first sliding groove 11 has a 30-degree conical surface angle, when the clamping plate 41 moves forwards, the first sliding groove 11 gives a reaction force to the first sliding block 42 to push the clamping plate 41 to move towards the axis of the mounting seat 3 through the second sliding block 43 until a jaw 44 clamps the workpiece, at the moment, an electromagnetic valve is started to lock the output end of the cylinder 2, and after the processing is finished, and closing the electromagnetic valve, resetting the cylinder 2, and enabling the output shaft of the cylinder 2 to return to the initial position, so that the machined workpiece is loosened to finish machining.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a grinding machine three-jaw device of mould processing usefulness, includes main shaft (A), its characterized in that: main shaft (A) are equipped with the cross-section and are circular shape mounting hole (1), the diameter of mounting hole (1) is followed the preceding terminal surface of main shaft (A) inwards scales up in proper order, the inner wall of mounting hole (1) evenly is equipped with a plurality of degree of depth unanimous first spout (11), mounting hole (1) stretches out fixed cylinder (2) that are equipped with in one side of main shaft (A) rear end face, the output fixedly connected with mount pad (3) of cylinder (2), the preceding terminal surface of mount pad (3) is equipped with three jack catch components (4), three jack catch components (4) include a plurality of grip blocks (41), grip block (41) with one side integrated into one piece that mounting hole (1) is close to each other have with first spout (11) sliding connection's first slider (42).

2. A grinding machine three-jaw device for die processing according to claim 1, characterized in that: the cross sections of the first sliding block (42) and the first sliding groove (11) are both isosceles trapezoids, and one side, extending into the first sliding groove (11), of the first sliding block (42) is the longer bottom side of the isosceles trapezoids.

3. A grinding machine three-jaw device for die processing according to claim 1, characterized in that: the front side of mount pad (3) is equipped with a plurality of edge outer wall to second spout (31) of mount pad (3) axle center concave yield, grip block (41) with one side integrated into one piece that mount pad (3) are close to each other have with second spout (31) sliding connection's second slider (43).

4. A grinding machine three-jaw device for die processing according to claim 3, characterized in that: the section of the second sliding block (43) is circular, and the diameter of the second sliding block (43) is larger than the thickness of the clamping plate (41).

5. A grinding machine three-jaw device for die processing according to claim 3, characterized in that: the front end of the clamping plate (41) is integrally formed with a clamping jaw (44).

6. A grinding machine three-jaw device for mold processing according to claim 5, characterized in that: and grid-shaped grooves (45) are uniformly formed in the working surface of the clamping jaw (44).

7. A grinding machine three-jaw device for die processing according to claim 1, characterized in that: the conical surface angle of the mounting hole (1) is 30 degrees.