CN215092169U

CN215092169U - Novel tool for four-way hole shaft piece

Info

Publication number: CN215092169U
Application number: CN202121135072.9U
Authority: CN
Inventors: 冯建国; 姚洁; 李涛
Original assignee: Shaanxi Dingxin Microwave Technology Co ltd
Current assignee: Shaanxi Dingxin Microwave Technology Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-10
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a novel frock is used to quadriversal hole axle piece belongs to the machining field, this frock includes the base, a pedestal, positioning seat and clamp plate etc, the top of base is provided with the installation cavity of arranging the base usefulness, the middle part of base is provided with the centre bore, positioning bottom slot has been seted up to the top of positioning seat, a plurality of location top grooves have been seted up to the positioning disk edge symmetry of positioning seat, the locating piece has been arranged to location top inslot portion, the central reference column is installed at the bottom center of positioning seat, the central reference column passes through central position sleeve and installs in the centre bore, through the distance between rotatory fastening bolt adjustment positioning seat and the positioning seat, positioning top slot and positioning bottom slot cooperation work are used for fixed quadriversal part. The utility model discloses with part frame entity part clamping, adopt transposition clamping at zero point, a clamping in-process accomplishes the precision size processing of quadriversal hole axle respectively, has eliminated because of the uncertain factor that the adjustment produced, has greatly guaranteed the uniformity of precision size and part size.

Description

Novel tool for four-way hole shaft piece

Technical Field

The utility model belongs to the machining field especially relates to a novel frock is used to quadriversal hole axle piece.

Background

In the machining process of mechanical parts, the positioning and fixing of workpieces are of great importance, and the premise of ensuring the machining precision is provided. In particular, for the processing of some special parts, in order to ensure the processing precision and angle, it is often necessary to spend a great deal of effort to find the processing reference, and the yield is not high, for example: the product parts of the seeker are in a four-way hole shaft form, the requirements on dimensional accuracy and form and position tolerance accuracy are extremely strict, and the non-intersecting accuracy requirement of a vertical axis is less than 0.015 mm. Because the part belongs to the frame structure form, the rigidity intensity of the part is extremely poor, and great trouble is caused when the four-way hole shaft is finely processed. Firstly, the rigidity of the part is poor, the clamping part is easy to deform, the dimensional precision is difficult to guarantee, and the form and position tolerance precision cannot be determined. Secondly, the distance between the axial end face and the center of the four-direction hole of the part deviates, and the vertical axis does not intersect with the super-poor degree and inclines. The processing according to the traditional process mode has the advantages of high rejection rate and low efficiency, becomes the bottleneck of the production of the seeker product, greatly influences the assembly production of the seeker product and severely restricts the production progress.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a novel four-way hole frock for axle spare, this frock is with the clamping of part frame entity part, adopts transposition clamping at zero point, and a clamping in-process accomplishes the precision size processing of four-way hole axle respectively, has eliminated because of the uncertain factor that the adjustment produced, has greatly guaranteed the uniformity of precision size and part size.

The utility model discloses an above-mentioned problem is solved to following technical means:

the utility model provides a novel frock is used to four-way hole axle piece which characterized in that, includes base, positioning seat, clamp plate and fastening bolt, wherein: the top of the base is provided with an installation cavity for arranging the base, a plurality of threaded holes and installation bottom holes are arranged around the installation cavity, one side of the base is provided with a vertical plate, and a connecting seat for connecting a clamp is arranged on the vertical plate; the base is arranged in the mounting cavity, the middle of the base is provided with a central hole, a plurality of mounting step holes and mounting top holes are arranged around the base, the mounting step holes are connected with the threaded holes through screws, the mounting top holes are connected with the mounting bottom holes through mounting columns, and a plurality of positioning bottom grooves are symmetrically formed in the edge of the base; a positioning bottom clamping groove is formed above the positioning seat, a positioning disc is arranged below the positioning seat, a plurality of positioning top grooves corresponding to the positioning bottom grooves are symmetrically formed in the edge of the positioning disc, positioning blocks are arranged in the positioning top grooves, the outer contours of the positioning blocks are consistent with the outer contours of the positioning bottom grooves and the positioning top grooves in shape, a central positioning column is installed in the center of the bottom of the positioning seat, and the central positioning column is installed in the central hole through a central positioning sleeve sleeved outside; the side face of the pressing plate is provided with a positioning top clamping groove, the top face of the pressing plate is provided with a top step hole used for installing a fastening bolt, the bottom thread of the fastening bolt is installed in the top thread hole of the positioning seat, the distance between the pressing plate and the positioning seat is adjusted by rotating the fastening bolt, and the positioning top clamping groove and the positioning bottom clamping groove are matched to work and used for fixing four-way parts.

Preferably, a plurality of positioning rings are arranged on the central positioning sleeve, and the outer walls of the positioning rings are in transition fit with the inner wall of the central hole.

Preferably, the base is provided with an air passage, and an air tap is arranged outside the air passage.

Preferably, the side wall of the mounting cavity is provided with an air outlet groove communicated with the air passage.

Preferably, a positioning bottom arc groove is further formed above the positioning seat, a positioning top arc groove is formed in the side face of the positioning seat, and the positioning bottom arc groove and the positioning top arc groove work in a matched mode to fix the four-way part.

Preferably, the four-way component comprises four hole shafts and connecting arms for connecting the hole shafts.

The utility model discloses a novel tool for quadriversal hole axle has following beneficial effect:

the tool changes the traditional process machining mode, converts vertical machining into horizontal machining, clamps the solid part of a part frame, adopts zero transposition clamping, and respectively completes the precision size machining of a four-way hole shaft in one-step clamping process. The frame is clamped by the solid body, so that the deformation influence of clamping force on the part is eliminated, and simultaneously, the four-direction hole shafts are processed by one-time zero-point transposition clamping, so that the shape and position tolerance and the space size precision of each part are effectively guaranteed.

In addition, the tool is rapid in steering and accurate in positioning, the cutting speed in the machining process is greatly increased, the production efficiency is improved, and the number of products in the shift is increased from 4-5 products in the traditional machining shift to 20 products in the shift. The four-way zero-point transposition tool is used for processing the finished inner ring and outer ring parts, the product quality is stable and reliable, the efficiency is improved by multiple times, the requirement of production progress is met, and the problem of production bottleneck of a seeker product is solved.

Drawings

The invention is further described with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the base structure of the present invention;

fig. 3 is a schematic view of the base structure of the present invention;

fig. 4 is a schematic view of the positioning seat structure of the present invention;

FIG. 5 is a schematic view of the structure of the pressing plate of the present invention;

FIG. 6 is a schematic view of the structure of the center positioning sleeve of the present invention;

fig. 7 is a schematic structural view of a four-way component of the present invention.

In the figure, 1-base, 101-installation cavity, 102-threaded hole, 103-installation bottom hole, 104-vertical plate, 105-connecting seat, 106-balance block, 107-air nozzle, 108-air channel, 2-base, 201-central hole, 202-installation step hole, 203-installation top hole, 204-positioning bottom groove and 3-positioning seat, 301-positioning bottom clamping groove, 302-positioning disc, 303-positioning top groove, 304-positioning block, 305-central positioning column, 306-central positioning sleeve, 307-positioning bottom arc groove, 4-pressing plate, 401-positioning top clamping groove, 402-top step hole, 403-positioning top arc groove, 5-fastening bolt, 6-four-way part, 601-hole shaft and 602-connecting arm.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, the tool is used for processing a four-way hole shaft, the four-way hole shaft belongs to a frame structure form, and the rigidity and the strength of parts are extremely poor. Specifically, this frock includes base 1, base 2, positioning seat 3, clamp plate 4 and fastening bolt 5, and positioning seat 3 can be rotatory around base 2's center after pulling up, can utilize locating piece 304 accurate positioning after positioning seat 3 puts down, simultaneously, adjusts the clamping degree of four-way part 6 through fastening bolt 5 between positioning seat 3 and the clamp plate 4.

In this embodiment, the top of the base 1 is provided with a mounting cavity 101 for arranging the base 2, a plurality of threaded holes 102 and mounting bottom holes 103 are arranged around the mounting cavity 101, a vertical plate 104 is arranged on one side of the base 1, a connecting seat 105 for connecting a clamp is arranged on the vertical plate 104, and a balance weight 106 is further arranged at the upper edge of the vertical plate 104 to ensure the balance of the base 1 in the high-speed rotation process. In addition, the base 1 is provided with an air passage 108, an air tap 107 is arranged outside the air passage 108, the side wall of the mounting cavity 101 is provided with an air outlet groove communicated with the air passage 108, and the upper side of the air passage 108 is also provided with an air outlet so as to blow away impurities, processing chips and the like by using high-pressure air. Base 2 sets up in installation cavity 101, and the middle part of base 2 is provided with centre bore 201, has arranged a plurality of installation step holes 202 and installation apical pore 203 around base 2, through screwed connection between installation step hole 202 and the screw hole 102, through the erection column connection between installation apical pore 203 and the installation bottom hole 103, and a plurality of location kerfs 204 have been seted up to the edge symmetry of base 2, and is concrete, utilizes the erection column to lead, recycles the fix with screw.

In fig. 4 to 6, a positioning bottom clamping groove 301 is formed above the positioning seat 3, a positioning plate 302 is arranged below the positioning seat 3, a plurality of positioning top grooves 303 corresponding to the positioning bottom grooves 204 are symmetrically formed in the edge of the positioning plate 302, positioning blocks 304 are arranged inside the positioning top grooves 303, the outer contour of each positioning block 304 is consistent with the outer contour of the positioning bottom groove 204 and the outer contour of the positioning top groove 303, in this example, the number of the positioning top grooves 303 and the number of the positioning blocks 304 are two, and the positioning top grooves are arranged at 180 degrees, the number of the positioning bottom grooves 204 is four, and the positioning blocks are arranged at 90 degrees, after the positioning seat 3 is lifted and rotated by 90 degrees, angle adjustment can be achieved by putting down the positioning blocks, threaded holes are formed in the positioning blocks 304, and fixing of the positioning blocks 304 and the positioning bottom grooves 204 or the positioning top grooves 303 can be achieved through screws or studs. It should be noted that, a central positioning column 305 is installed at the bottom center of the positioning seat 3, the top of the central positioning column 305 is in threaded connection with the positioning seat 3, a central positioning sleeve 306 is installed at the bottom of the central positioning column 305, the central positioning sleeve 306 is rotatably installed in the central hole 201, specifically, a plurality of positioning rings are arranged on the central positioning sleeve 306, and the outer walls of the positioning rings are in transition fit with the inner wall of the central hole 201.

It should be noted that a positioning top clamping groove 401 is formed in the side surface of the pressing plate 4, a top step hole 402 for installing the fastening bolt 5 is formed in the top surface of the pressing plate 4, the bottom thread of the fastening bolt 5 is installed in the top thread hole of the positioning seat 3, the distance between the pressing plate 4 and the positioning seat 3 is adjusted by rotating the fastening bolt 5, and the positioning top clamping groove 401 and the positioning bottom clamping groove 301 work in a matched manner to fix the four-way part 6.

In fig. 7, the four-way part 6 includes four hole shafts 601 and a connecting arm 602 for connecting the hole shafts 601, a positioning bottom arc groove 307 is further formed above the positioning seat 3 according to the external contour of the four-way part 6, a positioning top arc groove 403 is formed on the side surface of the pressing plate 4, and the positioning bottom arc groove 307 and the positioning top arc groove 403 cooperate to fix the four-way part 6. The tool is rapid in steering and accurate in positioning, cutting speed in the machining process is greatly improved, production efficiency is improved, and the number of products in the shift is increased from 4-5 products in the traditional machining shift to 20 products in the shift. The four-way zero-point transposition tool is used for processing the finished inner ring and outer ring parts, the product quality is stable and reliable, the efficiency is improved by multiple times, the requirement of production progress is met, and the bottleneck problem of production of a seeker product is solved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a novel frock is used to four-way hole axle piece which characterized in that, includes base (1), base (2), positioning seat (3), clamp plate (4) and fastening bolt (5), wherein:

the top of the base (1) is provided with a mounting cavity (101) for arranging the base (2), a plurality of threaded holes (102) and mounting bottom holes (103) are arranged around the mounting cavity (101), one side of the base (1) is provided with a vertical plate (104), and a connecting seat (105) for connecting a clamp is arranged on the vertical plate (104);

the base (2) is arranged in the mounting cavity (101), a central hole (201) is formed in the middle of the base (2), a plurality of mounting step holes (202) and mounting top holes (203) are arranged around the base (2), the mounting step holes (202) are connected with the threaded holes (102) through screws, the mounting top holes (203) are connected with the mounting bottom holes (103) through mounting columns, and a plurality of positioning bottom grooves (204) are symmetrically formed in the edge of the base (2);

a positioning bottom clamping groove (301) is formed above the positioning seat (3), a positioning disc (302) is arranged below the positioning seat (3), a plurality of positioning top grooves (303) corresponding to the positioning bottom grooves (204) are symmetrically formed in the edge of the positioning disc (302), positioning blocks (304) are arranged inside the positioning top grooves (303), the outer contours of the positioning blocks (304) are consistent with the outer contours of the positioning bottom grooves (204) and the positioning top grooves (303), a central positioning column (305) is installed in the center of the bottom of the positioning seat (3), and the central positioning column (305) is installed in the central hole (201) through a central positioning sleeve (306) sleeved outside;

the side face of the pressing plate (4) is provided with a positioning top clamping groove (401), the top face of the pressing plate (4) is provided with a top step hole (402) for installing a fastening bolt (5), the bottom thread of the fastening bolt (5) is installed in a top thread hole of the positioning seat (3), the distance between the pressing plate (4) and the positioning seat (3) is adjusted through rotating the fastening bolt (5), and the positioning top clamping groove (401) and the positioning bottom clamping groove (301) are matched for working and are used for fixing the four-way part (6).

2. The novel four-way hole shaft tool as claimed in claim 1, wherein a plurality of positioning rings are arranged on the central positioning sleeve (306), and the outer walls of the positioning rings are in transition fit with the inner wall of the central hole (201).

3. The novel tool for the four-way hole shaft part as claimed in claim 1, wherein an air passage (108) is formed in the base (1), and an air nozzle (107) is installed outside the air passage (108).

4. The novel four-way hole shaft tool as claimed in claim 3, wherein an air outlet groove communicated with the air passage (108) is formed in the side wall of the mounting cavity (101).

5. The novel four-way hole shaft tool according to claim 1, wherein a positioning bottom arc groove (307) is further formed above the positioning seat (3), a positioning top arc groove (403) is formed on the side surface of the pressing plate (4), and the positioning bottom arc groove (307) and the positioning top arc groove (403) are matched to work for fixing the four-way part (6).

6. The novel four-way hole shaft tool as claimed in claim 1, wherein the four-way part (6) comprises four hole shafts (601) and connecting arms (602) for connecting the hole shafts (601).