CN215589346U

CN215589346U - Limiting machining tool for rotational molding oil tank filter screen

Info

Publication number: CN215589346U
Application number: CN202121652795.6U
Authority: CN
Inventors: 周明锯; 盛野; 谭浩鹏; 于法昊; 赵崇石; 张耀锋; 修显坤
Original assignee: Qingdao Rototech Yili Automobile Plastic Product Co ltd; Wuxi Yili Environmental Protection Technology Co Ltd; Hebei Yili Technology Co Ltd
Current assignee: Qingdao Rototech Yili Automobile Plastic Product Co ltd; Wuxi Yili Environmental Protection Technology Co Ltd; Hebei Yili Technology Co Ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-01-21
Anticipated expiration: 2031-07-20

Abstract

The utility model belongs to the technical field of rotational molding processing, and particularly relates to a limiting processing tool for a rotational molding oil tank filter screen, which comprises a cutter shaft, wherein a bearing, a guide sleeve and a fixed sleeve are sequentially sleeved on the cutter shaft from inside to outside; two cutters are fixedly connected to the cutter shaft. The screw thread structure cooperation filler hole screw thread of this frock accessible fixed cover, fixed mounting is in rotational moulding oil tank filler hole position to adopt the design of double knives utensil, the cooperation flashlight drilling tool of installing additional carries out synchronous processing, realizes the one shot forming of spacing step of rotational moulding oil tank filter screen and clearing hole size, frock simple structure, convenient operation.

Description

Limiting machining tool for rotational molding oil tank filter screen

Technical Field

The utility model belongs to the technical field of rotational molding processing, and particularly relates to a limiting processing tool for a rotational molding oil tank filter screen.

Background

At present, with the rapid development of rotational molding process, rotational molding raw material technology is driven to be continuously innovated, the performance of products made by the rotational molding raw material technology is better and better, and products which can be extended by rotational molding products are wider. The rotational molding oil tank is formed in one step by using a rotational molding process, and compared with the traditional oil tank, the rotational molding oil tank has the advantages of light weight, multiple shapes, safety, long service life and high comprehensive use cost performance.

The plastic rotational molding oil tank is generally provided with a short filling port so that enough space is reserved at the periphery of the installed filter screen, the filling port of part of rotational molding products can be lengthened according to the requirement of assembly space, the rotational molding process cannot ensure the direct molding of the limit step of the filter screen at the long and thin filling port, and the uniform size of the periphery of the filter screen cannot be ensured, so that a processing tool for processing the limit step of the filter screen of the rotational molding oil tank and the periphery of the filter screen is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a limiting machining tool for a rotational moulding oil tank filter screen, which can be fixed at a filling port of a rotational moulding oil tank, adopts double-cutter arrangement, and is matched with a special tool of an electric hand drill for machining, so that the one-step machining forming of the limiting steps and the hole sizes of the rotational moulding oil tank filter screen is realized.

The technical scheme of the utility model is as follows:

the limiting processing tool for the rotational molding oil tank filter screen comprises a cutter shaft, wherein a bearing, a guide sleeve and a fixed sleeve are sequentially sleeved on the cutter shaft from inside to outside, a limiting groove is formed in the fixed sleeve, a guiding limiting pin is fixedly installed on the guide sleeve, and the guiding limiting pin is arranged in the limiting groove in a sliding mode; two cutters are fixedly connected to the cutter shaft.

Furthermore, the limiting groove is a long groove parallel to the cutter shaft, the width of the limiting groove is the same as the width of the guide limiting pin, and the length of the limiting groove is smaller than that of the fixing sleeve.

Furthermore, two limiting grooves are symmetrically formed in the fixing sleeve, and the corresponding two guide limiting pins are symmetrically arranged on the guide sleeve.

Further, the cutter comprises an upper cutter and a lower cutter, the lower cutter is fixedly mounted at one end of the cutter shaft, and the upper cutter and the lower cutter are mounted at the same side of the guide sleeve.

Furthermore, one end of the fixing sleeve is provided with a thread.

Furthermore, a thread structure matched with the thread of the filling port of the oil tank is arranged at one end, connected with the rotational molding oil tank, of the fixing sleeve.

Further, still be equipped with the chip groove on the fixed cover, chip groove circumference set up in the fixed slot lower extreme.

Furthermore, the position of the chip groove is arranged between the guide groove and the thread structure.

The utility model has the beneficial effects that:

according to the limiting machining tool for the rotational molding oil tank filter screen, the tool can be fixedly installed at the position of the rotational molding oil tank filler opening through the matching of the thread structure of the fixing sleeve and the filler opening thread, the double-cutter setting is adopted, and synchronous machining is carried out through the matching of special tools of an electric hand drill additionally installed at the later stage, so that the one-step machining forming of the limiting step and the hole size of the rotational molding oil tank filter screen is realized, the tool structure is simple, and the operation is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of a limiting machining tool provided by the utility model;

fig. 2 is a schematic view of an internal structure of the limiting processing tool provided by the utility model;

FIG. 3 is a structural sectional view of the limiting processing tool provided by the utility model when the limiting processing tool is installed on a product;

in the above figures, 1, a knife shaft; 2. feeding a cutter; 3. a lower cutter; 4. a bearing; 5. a guide sleeve; 6. fixing a sleeve; 7. a limiting groove; 8. guiding a limit pin; 9. a chip groove; 10. and (4) threading.

Detailed Description

The utility model is further described below with reference to the figures and examples.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "one end", "one side", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the utility model relates to a limiting processing tool for a rotational molding oil tank filter screen, which comprises a cutter shaft 1, wherein a bearing 4, a guide sleeve 5 and a fixed sleeve 6 are sequentially sleeved on the cutter shaft 1 from inside to outside; the bearings 4 installed in the guide sleeve 5 serve to reduce rotational frictional resistance between the arbor 1 and the guide sleeve 5.

The fixed sleeve 6 is provided with a limiting groove 7, the limiting groove 7 is an elongated groove parallel to the cutter shaft 1, a guide limiting pin 8 can be clamped in the limiting groove 7, and the guide limiting pin 8 can slide in the limiting groove 7 along the direction parallel to the cutter shaft 1. The guide stopper pin 8 is fixedly installed on the outer side wall of the guide sleeve 5, so that the moving direction of the guide sleeve 5 can be set and prevented from rotating.

In the embodiment, the fixed sleeve 6 is symmetrically provided with two limiting grooves 7, and correspondingly, the guide sleeve 5 is symmetrically provided with two guide limiting pins 8; the width of the limiting groove 7 is the same as the width of the guide limiting pin 8, and the guide limiting pin 8 can just slide up and down along the groove in the limiting groove 7 but cannot rotate; the length of the limiting groove 7 is smaller than that of the fixing sleeve 6, and in practical application, the length of the limiting groove 7 can be designed according to the installation and fixing positions of the upper cutter 2 and the lower cutter 3 on the cutter shaft 1, so that the lower cutter 3 can be retracted into the fixing sleeve.

Two cutters are fixedly connected to the cutter shaft 1, the two cutters comprise an upper cutter 2 and a lower cutter 3, the lower cutter 3 is fixedly installed at one end of the cutter shaft 1, and the upper cutter 2 and the lower cutter 3 are installed on the same side of the guide sleeve 5; the end at 1 one end of arbor is installed to the lower cutter 3, goes up the installation of certain distance of interval between cutter 2 and the lower cutter 3, in practical application, sets up the spacing distance between the position of cutter 2 and lower cutter 3 and the double knives utensil according to the specific position of filter screen through hole and the spacing step of filter screen in the rotational moulding oil tank. In the specific operation, the cutter can be a blade, the blade is arranged on the cutter shaft 1 to form an upper blade and a lower blade, and the position of a filling opening of the rotational molding oil tank is processed.

In order to fix the tool at the position of a filling port of the oil tank, a thread 10 is arranged at one end of the fixed sleeve 6. Specifically, one end of the fixing sleeve 6 connected with the rotational molding oil tank is provided with a thread 10 structure matched with the oil tank filling port thread 10, and the fixing sleeve 6 and the rotational molding oil tank filling port thread 10 are screwed to the end stop of the thread 10 for limiting when in use.

Furthermore, the fixed sleeve 6 is also provided with a chip groove 9, and the chip groove 9 is circumferentially arranged at the lower end of the fixed groove and is positioned between the limiting groove 7 and the thread 10 structure. The design of the chip groove 9 can lead the waste materials generated when the upper cutter 2 operates to be directly discharged from the chip groove 9, so as to avoid blocking the internal structure of the tool.

The use method of the limiting processing tool for the rotational molding oil tank filter screen comprises the following steps:

(1) before use, one end of a lower cutter 3 of a cutter shaft 1 is pushed to one side direction of a fixed sleeve 6, the lower cutter 3 at the foremost end of the cutter is prevented from influencing the screwing of the fixed sleeve 6 and a product thread 10, and then the fixed sleeve 6 and a filling port thread 10 are screwed to the end stop of the thread 10 for limiting;

(2) the electric hand drill is clamped at the handle part of the cutter shaft 1, the electric hand drill is started and certain thrust is applied, the cutter shaft 1 drives the upper cutter 2 and the lower cutter 3 to carry out rotary cutting, the lower cutter 3 firstly cuts off redundant uneven materials in the filling port, the size of a filter screen through hole is realized, the upper cutter 2 cuts out a filter screen limiting step along with the increase of the processing depth, and the processing of the filter screen limiting step is completed under the limiting of the guide limiting pin 8;

(3) the cutter shaft 1 is pushed to one side of the fixed sleeve 6 again, and after the position is limited by the guide limit pin 8, the fixed sleeve 6 is unscrewed from the filling port thread 10, so that a machining process is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the present invention. Any modification, equivalent replacement, or modification made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The limiting processing tool for the rotational molding oil tank filter screen is characterized by comprising a cutter shaft, wherein a bearing, a guide sleeve and a fixed sleeve are sequentially sleeved on the cutter shaft from inside to outside, a limiting groove is formed in the fixed sleeve, a guiding limiting pin is fixedly installed on the guide sleeve, and the guiding limiting pin is arranged in the limiting groove in a sliding manner; two cutters are fixedly connected to the cutter shaft.

2. The tool according to claim 1, wherein the limiting groove is an elongated groove parallel to the cutter shaft, the width of the limiting groove is the same as the width of the guide limiting pin, and the length of the limiting groove is smaller than that of the fixing sleeve.

3. The tooling of claim 2, wherein the fixing sleeve is symmetrically provided with two limiting grooves, and the two corresponding guide limiting pins are symmetrically arranged on the guide sleeve.

4. The tool according to claim 1, wherein the cutter comprises an upper cutter and a lower cutter, the lower cutter is fixedly mounted at one end of the cutter shaft, and the upper cutter and the lower cutter are mounted on the same side of the guide sleeve.

5. The tool of claim 1, wherein said retaining sleeve is threaded at one end.

6. The tooling of claim 5, wherein the end of the fixing sleeve connected with the rotational molding oil tank is provided with a thread structure matched with the thread of the oil tank filling port.

7. The tool according to claim 1, wherein the fixing sleeve is further provided with a chip removal groove, and the chip removal groove is circumferentially arranged at the lower end of the fixing sleeve.

8. The tooling of claim 7, wherein the chip grooves are located between the guide sleeve and the threaded structure.