CN212470102U

CN212470102U - A frock clamp for spark machine tooling

Info

Publication number: CN212470102U
Application number: CN202020203242.1U
Authority: CN
Inventors: 赵鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2021-02-05
Anticipated expiration: 2030-02-25

Abstract

The utility model is suitable for a spark machine tooling technical field provides a frock clamp for spark machine tooling, including U type piece, fixing device, spacing groove, fixed plate, bolt, mounting groove, mounting panel, mounting, cover plate, screw and steel sheet, the utility model discloses a cooperation between each above component can realize the stable centre gripping to cylinder form or pipy work piece, guarantees the stability of spark machine tooling process and guarantees the precision of spark machine tooling. About implementing the utility model discloses a beneficial technological effect does: simple structure, strong practicability and wide application range.

Description

A frock clamp for spark machine tooling

Technical Field

The utility model belongs to the technical field of the spark machine tooling, especially, relate to a frock clamp for spark machine tooling.

Background

The spark machine is a mechanical processing device and is mainly used for electric spark processing. The method is widely applied to the manufacture of various metal dies and mechanical equipment. It is a special processing method for corroding and removing conductive material by using the electric corrosion action generated when pulse discharge is generated between two electrodes immersed in working liquid, also called as electric discharge processing or electric corrosion processing. Spark machining is mainly used for machining dies and parts with holes and cavities with complex shapes; processing various conductive materials such as hard alloy, quenched steel and the like; processing deep pores, special-shaped holes, deep grooves, narrow slits, cutting thin slices and the like; and machining tools such as various forming cutters, templates, thread ring gauges and the like. During the machining of the spark machine, a work piece must be clamped by a tool clamp so as to ensure the stability of the machining process and the machining precision. However, the conventional work fixture cannot hold a cylindrical or tubular workpiece well.

SUMMERY OF THE UTILITY MODEL

The utility model provides a frock clamp for spark machine tooling aims at solving the problem that proposes in the background art.

The utility model is realized in such a way, a frock clamp for spark machine processing, which comprises a U-shaped sheet, a fixing device, a limiting groove, a fixing plate, a bolt, a mounting groove, a mounting plate, a fixing part, a cover plate, a screw and a steel plate, wherein the fixing plate is vertically fixed on the mounting plate, the mounting groove is respectively arranged at two sides of the mounting plate, the mounting groove is used for being matched with a T-shaped bolt to fix the mounting plate on a spark machine tool, the steel plate is fixed at the front part of the fixing plate through the screw, the fixing device is arranged at the front part of the steel plate, the fixing device is fixed on the mounting plate through a rivet, a workpiece is arranged in the fixing device, the U-shaped sheet is arranged at the front side of the workpiece, the bolt passes through a through hole reserved by the fixing plate and the steel plate to be matched with, the workpiece is fixed, the limiting grooves are formed in two sides above the fixing device and used for mounting the fixing piece, the cover plate is fixedly mounted on the front side of the fixing piece through screws, and the cover plate is used for limiting the degree of freedom of the fixing piece.

Furthermore, the mounting includes location arch, mounting main part and cambered surface, the mounting main part front side is fixed with the location arch, mounting main part opposite side is equipped with the cambered surface, the radian of cambered surface with the surface radian of work piece is unanimous.

Furthermore, a plurality of protrusions are uniformly distributed on the surface of the cambered surface and used for increasing the friction force between the surface of the cambered surface and the surface of the workpiece, so that the workpiece is fixed and prevented from rotating.

Furthermore, the limiting groove is consistent with the positioning protrusion in shape, and the limiting groove is in clearance fit with the positioning protrusion.

Further, the length of the U-shaped piece is larger than that of the fixing device.

The utility model discloses a cooperation between each component among the above technical scheme can realize the stable centre gripping to cylinder form or pipy work piece, guarantees the stability of spark machine course of working and guarantees the precision of spark machine processing. About implementing the utility model discloses a beneficial technological effect does: simple structure, strong practicability and wide application range.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the assembly of the present invention with a workpiece;

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

fig. 4 is a schematic structural view of the fixing member of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, the present invention relates to a tooling fixture for spark machining, which comprises a U-shaped plate 1, a fixing device 2, a limiting groove 3, a fixing plate 4, a bolt 5, a mounting groove 6, a mounting plate 7, a fixing member 9, a cover plate 10, a screw 11 and a steel plate 12, wherein the fixing plate 4 is vertically fixed on the mounting plate 7, the mounting groove 6 is respectively arranged on two sides of the mounting plate 7, the mounting groove 6 is used for cooperating with a T-shaped bolt to fix the mounting plate 7 on a spark machine tool, the steel plate 12 is fixed in front of the fixing plate 4 by the screw 11, the fixing device 2 is placed in front of the steel plate 12, the fixing device 2 is fixed on the mounting plate 7 by a rivet, a workpiece 8 is placed in the fixing device 2, the U-shaped plate 1 is placed in front of the workpiece 8, the bolt 5 passes through the fixing plate 4 and a through hole reserved in the steel plate 12 to cooperate with the, the U-shaped sheet 1 is fastened by the bolts 5, so that the workpiece 8 is fixed, the limiting grooves 3 are arranged on two sides above the fixing device 2, the limiting grooves 3 are used for installing the fixing pieces 9, the cover plates 10 are fixedly installed on the front sides of the fixing pieces 9 through screws, and the cover plates 10 are used for limiting the freedom degree of the fixing pieces 9.

The fixing piece 9 comprises a positioning protrusion 901, a fixing piece main body 902 and an arc surface 903, the positioning protrusion 901 is fixed on the front side of the fixing piece main body 902, the arc surface 903 is arranged on the other side of the fixing piece main body 902, and the radian of the arc surface 903 is consistent with the surface radian of the workpiece 8. The fixing member 9 can fix the workpiece 8 and prevent the workpiece 8 from rotating during the spark machining process.

The surface of the cambered surface 903 is uniformly distributed with a plurality of protrusions for increasing the friction force between the surface of the cambered surface 903 and the surface of the workpiece 8, so that the workpiece 8 is fixed and prevented from rotating. This ensures that the fastening element 9 can fasten the workpiece 8.

The shape of the limiting groove 3 is consistent with that of the positioning protrusion 901, and the limiting groove 3 is in clearance fit with the positioning protrusion 901. Facilitating the removal and installation of the fixing member 9.

The length of the U-shaped sheet 1 is greater than that of the fixing device 2. This ensures that the U-shaped plate 1 can hold the workpiece 8 in place.

In the actual application, at first will the utility model discloses fix to the spark machine lathe, then place work piece 8 in fixing device 2, through bolt 5 will U type piece 1 fastens, restricts the degree of freedom of work piece 8 along the horizontal plane direction, thereby will work piece 8 is fixed. Then, the fixing member 9 is installed, and the cambered surface 903 on the fixing member 9 is in close contact with the workpiece 8, so that the workpiece 8 is fixed and the workpiece 8 is prevented from rotating in the spark machining process. Finally, the cover plate 10 is installed to prevent the fixing member 9 from slipping out during the manufacturing process. During machining, the tool electrode and the workpiece are connected to two poles of the pulse power source separately and soaked in the working liquid or the working liquid is filled into the discharge gap. The feeding of the tool electrode to the workpiece is controlled by the gap automatic control system, when the gap between the two electrodes reaches a certain distance, the pulse voltage applied on the two electrodes breaks down the working fluid to generate spark discharge, thereby machining the surface of the workpiece 8.

The utility model has the advantages of: the utility model discloses a cooperation between each component in the above embodiment can realize the stable centre gripping to cylinder form or pipy work piece, guarantees the stability of spark machine course of working and guarantees the precision of spark machine tooling, has simple structure, practicality strong, the wide characteristics of application scope.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A tool clamp for spark machine machining is characterized by comprising a U-shaped sheet (1), a fixing device (2), a limiting groove (3), a fixing plate (4), a bolt (5), a mounting groove (6), a mounting plate (7), a fixing piece (9), a cover plate (10), a screw (11) and a steel plate (12), wherein the fixing plate (4) is vertically fixed on the mounting plate (7), the mounting groove (6) is respectively arranged on two sides of the mounting plate (7), the mounting groove (6) is used for being matched with a T-shaped bolt to fix the mounting plate (7) on a spark machine tool, the steel plate (12) is fixed in front of the fixing plate (4) through the screw (11), the fixing device (2) is placed in front of the steel plate (12), and the fixing device (2) is fixed on the mounting plate (7) through a rivet, workpiece (8) have been placed in fixing device (2) workpiece (8) front side has been placed U type piece (1), bolt (5) pass fixed plate (4) and the through-hole that steel sheet (12) were reserved with U type piece (1) cooperation, bolt (5) will U type piece (1) fastening, thereby will workpiece (8) are fixed, fixing device (2) top both sides are provided with spacing groove (3), spacing groove (3) are used for the installation mounting (9), mounting (9) front side is fixed with through the screw installation cover plate (10), cover plate (10) are used for the restriction the degree of freedom of mounting (9).

2. A tool holder for spark machining according to claim 1, wherein the fixing member (9) includes a positioning protrusion (901), a fixing member main body (902), and an arc surface (903), the positioning protrusion (901) is fixed to the front side of the fixing member main body (902), the arc surface (903) is provided on the other side of the fixing member main body (902), and the arc degree of the arc surface (903) is consistent with the surface arc degree of the workpiece (8).

3. A tool holder for spark machining according to claim 2, wherein a plurality of protrusions are evenly distributed on the surface of the cambered surface (903) for increasing the friction between the surface of the cambered surface (903) and the surface of the workpiece (8) so as to fix the workpiece (8) and prevent the workpiece (8) from rotating.

4. A tool holder for spark machining according to claim 2, wherein the limiting groove (3) is in conformity with the positioning protrusion (901), and the limiting groove (3) is in clearance fit with the positioning protrusion (901).

5. A tool clamp for spark machining according to claim 1, wherein the length of the U-shaped piece (1) is greater than the length of the fixture (2).