CN210232412U

CN210232412U - Special tool for finish machining of valve block

Info

Publication number: CN210232412U
Application number: CN201921263925.XU
Authority: CN
Inventors: Huajun Fang; 方华军
Original assignee: Hefei Mingshuang Machinery Science & Technology Co ltd
Current assignee: Hefei Mingshuang Machinery Science & Technology Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-03
Anticipated expiration: 2029-08-06

Abstract

The utility model belongs to the technical field of valve block finish machining equipment, in particular to a special tool for finish machining of a valve block, which comprises a tool bit and a tool body, wherein a flat-head cutter tooth is fixedly arranged at one end of the tool bit, and a spiral cutter tooth is arranged on the outer side wall of the tool bit; the installation cavity has been seted up to the inside of cutter body, the one end that the crew cut sword tooth was kept away from to the tool bit extends to in the installation cavity, be provided with fore-and-aft movable plate in the installation cavity, one side that the tool bit was kept away from to the movable plate has set firmly the spring, the other end of spring sets firmly on the inner wall of installation cavity, the one end and the movable plate swing joint of tool bit, both sides all seted up threaded hole about the one end that the tool bit is close to the movable plate, threaded hole female connection has fixing bolt, has overcome prior art's not enough, makes things convenient for tool bit and cutter body to separate, reduces the maintenance cost of cutter, avoids.

Description

Special tool for finish machining of valve block

Technical Field

The utility model belongs to the technical field of the valve block finish machining equipment, concretely relates to valve block finish machining special tool.

Background

The rotary cutting tool is often used for machining processes such as drilling and milling in the finish machining process of a valve block, the existing tool is of an integrated structure, a tool bit is easily worn in the using process, the whole tool needs to be replaced after the tool bit is worn, the cost is high, the tool bit and the tool body are separated at present, but the tool bit and the tool body are connected through threads in the tools, an operator needs to rotate the tool bit to operate when the tool bit is detached, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special cutter of valve block finish machining has overcome the not enough of prior art, makes things convenient for tool bit and cutter body to separate, reduces the maintenance cost of cutter, avoids operating personnel direct touching tool bit, reduces the potential safety hazard.

In order to solve the above problems, the utility model adopts the following technical proposal:

a special tool for finish machining of a valve block comprises a tool bit and a tool body, wherein a flat-head cutter tooth is fixedly arranged at one end of the tool bit, and a spiral cutter tooth is arranged on the outer side wall of the tool bit; the cutter body is internally provided with an installation cavity, one end of the cutter head, far away from the flat-end cutter teeth, extends into the installation cavity, a longitudinal moving plate is arranged in the installation cavity, one side, far away from the cutter head, of the moving plate is fixedly provided with a spring, the other end of the spring is fixedly arranged on the inner wall of the installation cavity, one end of the cutter head is movably connected with the moving plate, the upper side and the lower side of one end, near the moving plate, of the cutter head are both provided with threaded holes, the threaded holes are internally connected with fixing bolts, and the top ends of the fixing bolts penetrate through the side; a connecting port is formed at the connecting part of the cutter body and the cutter head, a connecting block matched with the connecting port is fixedly arranged on the outer side of the cutter head, and the connecting block is of an annular structure; the outside cover of cutter body is equipped with the protection casing, the opening of protection casing is towards the tool bit.

Furthermore, the protection casing mainly includes the bottom plate that two symmetries set up, sets firmly the curb plate in bottom plate one end, sets firmly the connecting plate in curb plate one end, sets firmly the fixed block in the connecting plate both sides, the cross-section of bottom plate and connecting plate is semi-circular ring structure, corresponds fixed connection through the screw between two sets of the fixed block.

Furthermore, the two ends of one group of the bottom plate are fixedly provided with inserting plates, the two ends of the other group of the bottom plate are provided with corresponding inserting grooves, and the inserting plates are positioned in the inserting grooves.

Furthermore, the outer side of the connecting block is connected with four positioning blocks which are arranged in an array.

Furthermore, a chip groove is formed between the spiral cutter teeth.

Furthermore, a rotating handle is fixedly arranged at the top end of the fixing bolt.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model relates to a special tool for finish machining of valve blocks, which is characterized in that one end of a tool bit is connected with a fixed bolt through a threaded hole by the tool bit, the tool body, an installation cavity, the fixed bolt, a connecting port, a movable plate, a spring, the threaded hole, a connecting block and the locating block; through setting up protection casing, bottom plate, connecting plate, fixed block, plugboard, inserting groove and curb plate, the piece that the protection casing was avoided cutting spatters everywhere, will protect through screw fixed connection between two sets of fixed blocks and fix in the cutter body outside, and easy to assemble and dismantlement, the stability of protection casing has been strengthened to plugboard and inserting groove.

The utility model discloses simple structure, convenient operation, the modern design makes things convenient for tool bit and cutter body to separate, reduces the maintenance cost of cutter, avoids operating personnel direct touching tool bit, reduces the potential safety hazard.

Drawings

FIG. 1 is a schematic structural diagram of a special tool for valve block finish machining.

Fig. 2 is a schematic structural diagram of the interior of a cutter body in a special cutter for finish machining of a valve block.

FIG. 3 is a schematic structural diagram of a connecting block in a special tool for valve block finish machining.

Fig. 4 is a schematic structural diagram of a protective cover in a special tool for valve block finish machining.

In the figure: 1. a cutter head; 2. a cutter body; 3. flat-head cutter teeth; 4. helical cutter teeth; 5. a protective cover; 501. a base plate; 502. a connecting plate; 503. a fixed block; 504. a plugboard; 505. inserting grooves; 506. a side plate; 6. a mounting cavity; 7. fixing the bolt; 8. a connecting port; 9. moving the plate; 10. a spring; 11. a threaded hole; 12. connecting blocks; 13. and (5) positioning the blocks.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in the figure, the special tool for finish machining of the valve block comprises a tool bit 1 and a tool body 2, wherein a flat-head cutter tooth 3 is fixedly arranged at one end of the tool bit 1, and a spiral cutter tooth 4 is arranged on the outer side wall of the tool bit 1; the inside of the cutter body 2 is provided with an installation cavity 6, one end of the cutter head 1, which is far away from the flat-end cutter teeth 3, extends into the installation cavity 6, a longitudinal moving plate 9 is arranged in the installation cavity 6, one side, which is far away from the cutter head 1, of the moving plate 9 is fixedly provided with a spring 10, the other end of the spring 10 is fixedly arranged on the inner wall of the installation cavity 6, one end of the cutter head 1 is movably connected with the moving plate 9, the upper side and the lower side of one end, which is close to the moving plate 9, of the cutter head 1 are both provided with threaded holes 11, the threaded holes 11 are internally threaded with fixing bolts; a connecting port 8 is formed at the connecting position of the cutter body 2 and the cutter head 1, a connecting block 12 matched with the connecting port 8 is fixedly arranged on the outer side of the cutter head 1, and the connecting block 12 is of a circular ring-shaped structure; the outside cover of cutter body 2 is equipped with protection casing 5, and the opening of protection casing 5 is towards tool bit 1.

The protective cover 5 mainly comprises two symmetrically arranged bottom plates 501, side plates 506 fixedly arranged at one ends of the bottom plates 501, connecting plates 502 fixedly arranged at one ends of the side plates 506, and fixing blocks 503 fixedly arranged at two sides of the connecting plates 502, the cross sections of the bottom plates 501 and the connecting plates 502 are both in semicircular annular structures, and the two groups of fixing blocks 503 are correspondingly and fixedly connected through screws; two ends of one group of bottom plates 501 are fixedly provided with a plug board 504, two ends of the other group of bottom plates 501 are provided with corresponding plug grooves 505, and the plug board 504 is positioned in the plug grooves 505; the outer side of the connecting block 12 is connected with four positioning blocks 13 which are arranged in an array; a chip groove is formed between the spiral cutter teeth 4; the top end of the fixed bolt 7 is fixedly provided with a rotating handle.

To sum up, when the tool bit 1 needs to be replaced, the fixing bolts 7 at the upper end and the lower end of the tool bit 1 are respectively unscrewed to separate the fixing bolts 7 from the threaded holes 11, the spring 10 extends under the action of restoring force to drive the movable plate 9 to move towards the connecting port 8, so as to drive the tool bit 1 to move, and the tool bit 1 is popped out of the mounting cavity 6 of the tool body 2, so that the tool bit 1 is convenient to disassemble; during installation, an operator holds the positioning block 13 by hand, inserts one end of the cutter head 1 into the cutter body 2, contacts the cutter head 1 with the moving plate 9 and drives the moving plate 9 to move, extrudes the spring 10 until the positioning block 13 is inserted into the connecting port 8, and then screws the fixing bolt 7.

When the protective cover 5 is needed, the two groups of connecting plates 502 are spliced together, the two groups of fixing blocks 503 are correspondingly connected through screws, the inserting plates 504 on the two groups of bottom plates 501 are correspondingly connected with the inserting ports, the protective cover 5 is fixed on the outer side of the cutter body 2, and the installation is simple and convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a valve block finish machining special tool, includes tool bit (1) and cutter body (2), its characterized in that: a flat-head cutter tooth (3) is fixedly arranged at one end of the cutter head (1), and a spiral cutter tooth (4) is arranged on the outer side wall of the cutter head (1); the cutter body (2) is internally provided with an installation cavity (6), one end of the cutter head (1), which is far away from the flat-head cutter teeth (3), extends into the installation cavity (6), a longitudinal moving plate (9) is arranged in the installation cavity (6), one side, which is far away from the cutter head (1), of the moving plate (9) is fixedly provided with a spring (10), the other end of the spring (10) is fixedly arranged on the inner wall of the installation cavity (6), one end of the cutter head (1) is movably connected with the moving plate (9), the upper side and the lower side of one end, which is close to the moving plate (9), of the cutter head (1) are both provided with threaded holes (11), the threaded holes (11) are internally connected with fixing bolts (7), and the top ends of the fixing bolts (7) penetrate through the side wall of the installation cavity (6; a connecting port (8) is formed at the connecting position of the cutter body (2) and the cutter head (1), a connecting block (12) matched with the connecting port (8) is fixedly arranged on the outer side of the cutter head (1), and the connecting block (12) is of a circular structure; the outside cover of cutter body (2) is equipped with protection casing (5), the opening of protection casing (5) is towards tool bit (1).

2. The special tool for finish machining of the valve block according to claim 1, wherein: the protective cover (5) mainly comprises two symmetrically arranged bottom plates (501), side plates (506) fixedly arranged at one ends of the bottom plates (501), connecting plates (502) fixedly arranged at one ends of the side plates (506), and fixing blocks (503) fixedly arranged at two sides of the connecting plates (502), the cross sections of the bottom plates (501) and the connecting plates (502) are both semicircular annular structures, and the two fixing blocks (503) are correspondingly and fixedly connected through screws.

3. The special tool for finish machining of the valve block as claimed in claim 2, wherein: the two ends of one group of the bottom plate (501) are fixedly provided with the plug boards (504), the two ends of the other group of the bottom plate (501) are provided with the corresponding plug grooves (505), and the plug boards (504) are positioned in the plug grooves (505).

4. The special tool for finish machining of the valve block according to claim 1, wherein: the outer side of the connecting block (12) is connected with four positioning blocks (13) which are arranged in an array.

5. The special tool for finish machining of the valve block according to claim 1, wherein: the chip grooves are formed between the spiral cutter teeth (4).

6. The special tool for finish machining of the valve block according to claim 1, wherein: and a rotating handle is fixedly arranged at the top end of the fixing bolt (7).