CN219966474U - Chute processing cutter of plunger pump cylinder body - Google Patents

Abstract

The utility model provides a chute processing cutter for a plunger pump cylinder body, which is used for processing a chute on the inner side wall and comprises a cutter handle and a blade arranged on the cutter handle; the blade comprises a cylindrical main body part and two cutting edges arranged on the outer side wall of the main body part; according to the machining tool, the two cutting edges are arranged on the blade, the machining is carried out on 12 inclined grooves on the inner side of the cylinder body of the plunger pump, the machining scheme of the inclined grooves with the complex inner holes is realized by repeated machining for six times, and the machining concept of the standardized tool and the quick channel changing is realized by the standard and unified tool bar and the blade; the processing of the numerical control lathe is matched, the processing requirement of the multi-angle chute is met through the flexibility of programming, and the numerical control lathe has certain advantages in the continuously developed processing industry; through the high accuracy and the compensation function of the numerical control machine tool, the machine adjusting efficiency is greatly improved, the input cost of processing and cutters can be reduced, and the processing accuracy requirement of products is ensured.

Description

Chute processing cutter of plunger pump cylinder body

Technical Field

The utility model relates to the technical field of cutters, in particular to a chute processing cutter for a plunger pump cylinder body.

Background

Currently, the brake pump is also called brake master oil, and the main function of the brake pump is to push brake fluid to be transmitted to a pushing piston; the brake master cylinder belongs to a unidirectional acting piston type hydraulic cylinder and has the function of converting mechanical energy input by a pedal mechanism into hydraulic energy; wherein the plunger pump cylinder belongs to one kind of brake cylinder.

In the prior art, for chute processing of products such as an SS type plunger master cylinder, no corresponding cutter is used for processing the products; in view of the above, the present inventors have specifically devised a chute processing tool for a plunger pump cylinder, which results therefrom.

Disclosure of Invention

In order to solve the problems, the technical scheme of the utility model is as follows:

a chute processing cutter of a plunger pump cylinder body is used for processing a chute on the inner side wall and comprises a cutter handle and a blade arranged on the cutter handle;

the blade comprises a cylindrical main body part and two cutting edges arranged on the outer side wall of the main body part.

Further, the blade is detachably arranged below the cutter handle.

Further, the handle includes a clamping portion and an extension portion, and the blade is disposed on the extension portion.

Further, a first cooling liquid channel is arranged in the cutter handle, and a second cooling liquid channel communicated with the first cooling liquid channel is arranged on the blade.

Further, the blade is locked on the cutter handle through two screws and positioned through two positioning columns.

Further, a first positioning groove is formed in the end face, close to the blade, of the cutter handle, and a first positioning hole matched with the first positioning groove is formed in the blade.

Further, a groove in a spherical shape is formed in the end face, away from the knife handle, of the blade.

Further, the blade is provided with a chip part.

Further, the cutting edge further comprises a first inclined plane, a second inclined plane and a third inclined plane, wherein the first inclined plane and the second inclined plane are arranged on two sides, and the third inclined plane is arranged on the outer side.

Further, the blade further comprises a fourth bevel.

Further, the SS type plunger master cylinder is clamped on a main shaft of a numerical control lathe, a cutter is arranged on a cutter holder, and the center of the cutter and the center of a cylinder diameter are positioned on the same horizontal line by moving a feed shaft; editing a machining program, performing machining control on a numerical control lathe, performing linear motion in a cutter motion mode, performing forward rotation and reverse rotation on a product according to a certain rotation angle, repeatedly machining for 6 times when the cutter enters and exits two grooves each time, and performing cumulative machining on 12 grooves.

According to the machining tool, the two cutting edges are arranged on the blade, the machining is carried out on 12 inclined grooves on the inner side of the cylinder body of the plunger pump, the machining scheme of the inclined grooves with the complex inner holes is realized by repeated machining for six times, and the machining concept of the standardized tool and the quick channel changing is realized by the standard and unified tool bar and the blade; the processing of the numerical control lathe is matched, the processing requirement of the multi-angle chute is met through the flexibility of programming, and the numerical control lathe has certain advantages in the continuously developed processing industry. Through the high accuracy and the compensation function of the numerical control machine tool, the machine adjusting efficiency is greatly improved, the input cost of processing and cutters can be reduced, and the processing accuracy requirement of products is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.

Wherein:

FIG. 1 is a schematic view of the construction of a machining tool of the present utility model;

FIG. 2 is an exploded view of the machining tool of the present utility model;

FIG. 3 is a schematic view of the structure of the blade of the present utility model;

FIG. 4 is a bottom view of the insert of the present utility model;

FIG. 5 is a top view of the insert of the present utility model;

FIG. 6 is a cross-sectional view of a machining tool of the present utility model;

FIG. 7 is an enlarged view of a portion of FIG. 6 in accordance with the present utility model;

fig. 8 is an enlarged view of a portion of the blade of the present utility model.

Description of the reference numerals:

10. a knife handle; 11. a clamping part; 12. an extension; 111. a first coolant passage; 121. a first positioning groove; 20. a blade; 21. a blade; 211. a chip part; 212. a first inclined surface; 213. a second inclined surface; 214. a third inclined surface; 215. a fourth inclined surface; 22. a first positioning hole; 23. a groove; 30. and positioning columns.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the utility model 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 for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 8, a chute processing tool for a cylinder of a plunger pump according to a preferred embodiment of the present utility model is used for processing a chute on an inner side wall, and includes a handle 10 and a blade 20 disposed on the handle 10; the blade 20 includes a cylindrical main body portion and two blade edges 21 provided on the outer side wall of the main body portion.

The blade 20 is detachably arranged below the cutter handle 10, and the blade 20 is locked on the cutter handle 10 through two screws and is positioned through two positioning columns 30.

The tool shank 10 comprises a clamping part 11 and an extension part 12, the blade 20 is arranged on the extension part 12, the outer diameter of the extension part 12 is smaller than that of the clamping part 11, the two parts are in transition through an inclined plane, and the outer diameter of the main body part of the blade 20 is slightly larger than that of the extension part 12. A first cooling liquid channel 111 is arranged in the cutter handle 10, and a second cooling liquid channel communicated with the first cooling liquid channel 111 is arranged on the blade 20.

The end face of the knife handle 10, which is close to the blade 20, is provided with a first positioning groove 121, and the blade 20 is provided with a first positioning hole 22 matched with the first positioning groove 121. The end surface of the blade 20 far away from the cutter handle 10 is provided with a spherical groove 23, so that the cooling liquid can flow to the processing side conveniently.

The cutting edge 21 is provided with a cutting part 211 for cutting a chute, the cutting edge 21 also comprises a first inclined plane 212, a second inclined plane 213 and a third inclined plane 214, wherein the first inclined plane 212, the second inclined plane 213 and the third inclined plane 214 are arranged on two sides, the third inclined plane 214 and the bottom surface form the cutting part 211, and meanwhile, the inclined planes belong to a rear edge part, the rear angle is lower than the front angle, the interference phenomenon is avoided during machining, and the first inclined plane 212, the second inclined plane 213 and the third inclined plane 214 are formed by grinding; the blade 21 further includes a fourth bevel 215, and the fourth bevel 215 is also formed by grinding.

The mounting mode of the processing cutter is as follows:

the first step: the blade 20 is arranged on the cutter bar, two positioning pins are aligned, and a fastening screw is locked; and a second step of: mounting the product on a main shaft of a numerical control lathe by using a clamp fixture; and a third step of: editing program to process two grooves each time; fourth step: the process was repeated 6 times, and 12 grooves were cumulatively processed. Specifically, the SS type plunger master cylinder is clamped on a main shaft of a numerical control lathe, a cutter is arranged on a cutter holder, and the center of the cutter and the center of a cylinder diameter are positioned on the same horizontal line by moving a feed shaft; editing a machining program, performing machining control on a numerical control lathe, performing linear motion in a cutter motion mode, performing forward rotation and reverse rotation on a product according to a certain rotation angle, repeatedly machining for 6 times when the cutter enters and exits two grooves each time, and performing cumulative machining on 12 grooves.

Because the inner diameter is not scratched or bumped according to the processing requirement of the product, and the consistency of the spiral angle is ensured, the processing precision can be effectively ensured by using a numerical control machine tool, and the chute-pulling cutter is provided with a standard positioning and unified standard blade 20, so that the product meeting the requirement can be accurately processed by matching with equipment, and the production efficiency and quality are improved. The standardized cutter bar can be matched with blades 20 with different sizes, the diameter of a product cylinder body is increased, the requirement can be met only by replacing the blades 20 with large diameters, and meanwhile, the efficiency of debugging and channel replacement is improved.

In summary, the machining tool provided by the utility model processes 12 inclined slots on the inner side of the cylinder body of the plunger pump by arranging two cutting edges on the blade, and repeatedly processes for six times, so that the machining scheme of the inclined slots of the complex inner hole is realized, and the machining concepts of standardized tools and quick channel change are realized through standard and unified tool bars and blades; the processing of the numerical control lathe is matched, the processing requirement of the multi-angle chute is met through the flexibility of programming, and the numerical control lathe has certain advantages in the continuously developed processing industry. Through the high accuracy and the compensation function of the numerical control machine tool, the machine adjusting efficiency is greatly improved, the input cost of processing and cutters can be reduced, and the processing accuracy requirement of products is ensured.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the utility model are adopted, all within the scope of the utility model.

Claims (9)

1. The chute processing cutter for the plunger pump cylinder body is used for processing the chute on the inner side wall and is characterized by comprising a cutter handle (10) and a blade (20) arranged on the cutter handle (10);

the blade (20) comprises a cylindrical main body part and two cutting edges (21) arranged on the outer side wall of the main body part.

2. The chute processing tool of a plunger pump cylinder according to claim 1, wherein the handle (10) comprises a clamping portion (11) and an extension portion (12), the blade (20) being provided on the extension portion (12).

3. The chute processing tool of a plunger pump cylinder according to claim 1, wherein a first cooling liquid channel (111) is provided in the tool shank (10), and a second cooling liquid channel communicating with the first cooling liquid channel (111) is provided on the blade (20).

4. The chute processing tool of a plunger pump cylinder according to claim 1, wherein the blade (20) is locked to the handle (10) by two screws and is positioned by two positioning posts (30).

5. The chute processing cutter of the plunger pump cylinder according to claim 1, wherein a first positioning groove (121) is formed in the end face, close to the blade (20), of the cutter handle (10), and a first positioning hole (22) matched with the first positioning groove (121) is formed in the blade (20).

6. A chute processing tool for a plunger pump cylinder according to claim 1, wherein the end surface of the blade (20) remote from the shank (10) is provided with a spherical recess (23).

7. A chute processing tool for a plunger pump cylinder according to claim 1, wherein the blade (21) is provided with a chip portion (211).

8. The chute processing tool of a plunger pump cylinder according to claim 1, wherein the blade (21) further comprises a first inclined surface (212) and a second inclined surface (213) disposed on both sides, and a third inclined surface (214) disposed on the outside.

9. A chute processing tool for a plunger pump cylinder as in claim 8, wherein said blade (21) further comprises a fourth bevel (215).