1. The utility model provides a gun drill coping is with quick clamping frock clamp which characterized in that: including base (1) and clamping portion (2), base (1) intermediate position is equipped with clearance groove (3) and assembly screw hole (4), and clamping portion (2) are including clamping portion body (21), screw rod fixed part (22) and crimping screw rod (23), screw rod fixed part (22) slope sets up the lower extreme at clamping portion body (21), be equipped with the screw hole on screw rod fixed part (22), compression screw rod (23) run through the setting in screw rod fixed part (22), clamping portion body (21) lower extreme is equipped with gun drill installation reference surface (211), gun drill installation reference surface (211) sets up with compression screw rod (23) relatively, constitute between gun drill installation reference surface (211) and clamping portion body (21) and hold the accommodation space who holds compression screw rod (23) and gun drill (100) activity.

2. The quick clamping tool clamp for grinding the gun drill according to claim 1, characterized in that: and an adjusting handle (5) is arranged on the compression joint screw rod (23).

3. The quick clamping tool clamp for grinding the gun drill according to claim 1, characterized in that: the gun drill mounting reference surface (211) is matched with a gun drill (100) to be processed.

4. The quick clamping tool clamp for grinding the gun drill according to claim 1, characterized in that: the gun drill mounting base surface (211) comprises a first cut-and-fit surface (211 a), a second cut-and-fit surface (211 b) and inclined connecting portions (211 c), and the first cut-and-fit surface (211 a) and the second cut-and-fit surface (211 b) are arranged between the inclined connecting portions (211 c) respectively.

5. The quick clamping tool clamp for coping of the gun drill according to claim 4, wherein: the included angle formed by the first tangent plane (211 a) and the inclined connecting part (211 c) is 145 degrees, the included angle formed by the second tangent plane (211 b) and the inclined connecting part (211 c) is 145 degrees, and the included angle formed by the inclined connecting part (211 c) and the horizontal line is 45 degrees.

6. The quick clamping tool clamp for grinding the gun drill according to claim 1, characterized in that: a vertical connecting part (221) and an arc-shaped connecting part (222) are arranged between the screw fixing part (22) and the gun drill mounting reference surface (211).

7. The quick clamping tool clamp for grinding the gun drill according to claim 1, characterized in that: arc-shaped grooves (11) are formed in the upper side and the lower side of the clearance groove (3) on the base (1), and the two arc-shaped grooves (11) are arranged in an inclined and symmetrical mode.

Background

When a manual tool is used for grinding and polishing a gun drill, a universal grinding head of the tool is generally used for mounting and clamping a collet chuck, a tool shank and the collet chuck need to be penetrated during clamping, the universal grinding head is very easy to collide, and particularly when the universal grinding head is withdrawn after being ground, the universal grinding head needs to be ground again; in addition, because the collet is round, the gun drill needs to be realigned after being clamped every time, the error is large, the geometric angle error of the gun drill is large, the quality is unstable, and workers are careful when clamping, and the speed is ultra-slow.

Disclosure of Invention

The purpose of the invention is as follows: problem and not enough to the existence among the above-mentioned prior art, the utility model aims at providing a gun drill coping is with quick clamping frock clamp. The gun drill can be clamped quickly, the positioning is accurate, the clamping part can be replaced, and the gun drill mounting reference surface can be replaced according to the actual type of the gun drill to be processed so as to deal with the gun drills in various groove types.

The technical scheme is as follows: in order to achieve the purpose, the quick clamping tool clamp for grinding the gun drill comprises a base and a clamping part, wherein a clearance groove and an assembly threaded hole are formed in the middle of the base, the clamping part comprises a clamping part body, a screw fixing part and a compression screw, the screw fixing part is obliquely arranged at the lower end of the clamping part body, the assembly threaded hole is formed in the screw fixing part, the compression screw penetrates through the screw fixing part, a gun drill mounting reference surface is arranged at the lower end of the clamping part body, the gun drill mounting reference surface and the compression screw are arranged oppositely, and an accommodating space for accommodating the compression screw and the gun drill is formed between the gun drill mounting reference surface and the clamping part body.

Furthermore, an adjusting handle is arranged on the crimping screw rod. The adjusting handle is used for adjusting the compression screw rod, so that the gun drill can be conveniently loaded and unloaded.

Further, the gun drill mounting reference surface is matched with a gun drill to be processed.

Further, the gun drill mounting base surface comprises a first cut-and-fit surface, a second cut-and-fit surface and inclined connecting portions, and the first cut-and-fit surface and the second cut-and-fit surface are respectively arranged between the inclined connecting portions. The gun drill mounting datum plane can be replaced according to the type of the actual gun drill to be processed so as to deal with various groove-shaped gun drills.

Furthermore, the included angle formed by the first tangent plane and the inclined connecting part is 145 degrees, the included angle formed by the second tangent plane and the inclined connecting part is 145 degrees, and the included angle formed by the inclined connecting part and the horizontal line is 45 degrees.

Further, be equipped with vertical connecting portion and arc connecting portion between screw rod fixed part and the gun drill installation reference surface.

Furthermore, arc-shaped grooves are formed in the upper side and the lower side of the clearance groove on the base, and the two arc-shaped grooves are obliquely and symmetrically arranged.

According to the technical scheme, the invention has the beneficial effects that:

(1) according to the quick clamping tool clamp for grinding the gun drill, the gun drill can be quickly clamped in grinding of the gun drill by a manual tool, the positioning is accurate, the clamping part can be replaced, and the gun drill mounting reference surface can be replaced according to the type of the gun drill to be actually machined so as to correspond to gun drills of various groove types.

(2) The quick clamping tool clamp for polishing the gun drill is arranged on the universal pliers, the front tool face for installing the gun drill is used as a reference, the positioning is accurate, the error is small, the subsequent clamping is stable and unchanged after the first gun drill is arranged on the clamping part, the clamping time is greatly reduced, and the efficiency is improved by 4-5 times; and gun drill clamping is installed from the side, and the gun drill blade can not collide with the tool clamp, so that the yield is high.

Drawings

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

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view of the structure of the clamping portion of the present invention;

FIG. 4 is a schematic structural diagram of a base according to the present invention;

fig. 5 is a schematic view of the construction of the gun drill mounting base of the present invention.

In the figure: the clamping part comprises a base 1, an arc-shaped groove 11 and a clamping part 2, and is characterized by comprising a clamping part body 21, a gun drill mounting base surface 211, a first engagement surface 211a, a second engagement surface 211b, an inclined connecting part 211c, a screw fixing part 22, a vertical connecting part 221, an arc-shaped connecting part 222, a crimping screw 23, a clearance groove 3, an assembly threaded hole 4, an adjusting handle 5 and a gun drill 100.

Detailed Description

The invention is further elucidated with reference to the drawings and the embodiments.

As shown in fig. 1-4, the quick clamping tool fixture for sharpening the gun drill comprises a base 1 and a clamping portion 2, wherein a clearance groove 3 and an assembly threaded hole 4 are formed in the middle of the base 1, the clamping portion 2 comprises a clamping portion body 21, a screw fixing portion 22 and a compression screw 23, the screw fixing portion 22 is obliquely arranged at the lower end of the clamping portion body 21, the assembly threaded hole 4 is formed in the screw fixing portion 22, the compression screw 23 penetrates through the screw fixing portion 22, a gun drill mounting reference surface 211 is arranged at the lower end of the clamping portion body 21, the gun drill mounting reference surface 211 and the compression screw 23 are arranged oppositely, and an accommodating space for accommodating the compression screw 23 and the movement of the gun drill 100 is formed between the gun drill mounting reference surface 211 and the clamping portion body 21.

In this embodiment, the adjusting handle 5 is provided on the crimping screw 23.

The gun drill mounting datum 211 in this embodiment is matched with the gun drill 100 to be machined.

As shown in fig. 5, the gun drill mounting base 211 includes a first engagement surface 211a, a second engagement surface 211b, and inclined connection portions 211c, and the first engagement surface 211a and the second engagement surface 211b are respectively disposed between the inclined connection portions 211 c.

In this embodiment, an included angle formed by the first tangent plane 211a and the inclined connecting portion 211c is 145 °, an included angle formed by the second tangent plane 211b and the inclined connecting portion 211c is 145 °, and an included angle formed by the inclined connecting portion 211c and a horizontal line is 45 °.

In this embodiment, a vertical connecting portion 221 and an arc-shaped connecting portion 222 are disposed between the screw fixing portion 22 and the gun drill mounting reference surface 211.

In this embodiment, arc-shaped grooves 11 are formed in the upper side and the lower side of the clearance groove 3 on the base 1, and the two arc-shaped grooves 11 are arranged in an inclined and symmetrical manner.

The examples are given solely for the purpose of illustration and are not to be construed as limitations of the present invention, as various equivalents will occur to those skilled in the art upon reading the present invention and are intended to be within the scope of the invention as defined in the claims appended hereto.