CN218341793U

CN218341793U - Grinding machine positioning mechanism for die machining

Info

Publication number: CN218341793U
Application number: CN202222175073.7U
Authority: CN
Inventors: 苏本垒; 李治辉; 王品
Original assignee: Henan Sitong Group Co ltd
Current assignee: Henan Sitong Group Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-01-20
Anticipated expiration: 2032-08-17

Abstract

The utility model relates to a grinding machine positioning mechanism for mould processing, including three-jaw chuck body, three-jaw chuck body includes the chuck body and installs the movable jack catch on the chuck body, its characterized in that, set up supplementary screw on the movable jack catch, the axial of supplementary screw is parallel with the radial of chuck body, supplementary screw runs through the movable jack catch, be provided with auxiliary bolt in the supplementary screw, the one end that the movable jack catch kept away from the center of chuck body is equipped with stair structure, stair structure's height is greater than the aperture of supplementary screw, each layer of stair structure is last all to have seted up supplementary screw; the utility model relates to a grinding machine positioning mechanism is used in mould processing has the mould that is applicable to different shapes, adds the advantage of the different mould of rotation angle man-hour.

Description

Grinding machine positioning mechanism for mold machining

Technical Field

The utility model relates to a mould processing technology field especially relates to a mould processing is with grinding machine positioning mechanism.

Background

A grinding machine is a machine tool that uses a grinding tool to grind a workpiece to obtain a desired shape, size, and precision finish. The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts.

Chinese utility model patent with patent number CN216265162U provides a positioning mechanism for the fixed use of key cap mould of moulding plastics when using on the grinding machine. This positioning mechanism convenient operation, and fixed height-adjustable, but except using square injection mold who gives first place to, other polytype moulds in addition, and because the die cavity structure of mould is complicated, the appearance of mould is also diversified, need angle of adjustment etc. in the grinding machine grinding process, this positioning mechanism mainly is applicable to the mould of fixed rectangle structure, when mould angle of adjustment be the tilt state (if with workstation edge 45 degrees contained angles), or the edges and corners of mould when the fillet, this positioning mechanism then can't fine fixed positioning, application scope is little, need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a grinding machine positioning mechanism for die machining to solve the little problem of grinding machine positioning mechanism application scope of die machining usefulness among the prior art.

The utility model discloses a realize through following technical scheme: the utility model provides a grinding machine positioning mechanism is used in mould processing, includes three-jaw chuck body, three-jaw chuck body includes the chuck body and installs the movable jack catch on the chuck body, its characterized in that, supplementary screw has been seted up on the movable jack catch, the axial of supplementary screw is radially parallel with the chuck body, supplementary screw runs through movable jack catch, be provided with auxiliary bolt in the supplementary screw.

Furthermore, one end of the movable clamping jaw, which is far away from the center of the chuck body, is provided with a step structure.

Furthermore, the height of the step structure is larger than the aperture of the auxiliary screw hole, and the auxiliary screw hole is formed in each layer of the step structure.

Further, the length of the auxiliary bolt is larger than that of the movable jaw.

Furthermore, the bottom edge of the chuck body is provided with a fixing foot, and the fixing foot is provided with a mounting hole.

Furthermore, a small bevel gear is arranged on the chuck body, and a chuck key is matched with the small bevel gear.

Furthermore, one end of the chuck key is provided with a quadrangular prism matched with the bevel pinion, and the other end of the chuck key is connected with a disk handle.

Furthermore, the end face, far away from the center of the chuck body, of the movable clamping jaw is provided with anti-skid grains.

The beneficial effects of the utility model reside in that: a grinding machine positioning mechanism for processing a mould can clamp and position square and non-square moulds, such as moulds with the shapes of a circle, an ellipse, a sector and the like, by utilizing the three-point positioning characteristic of a three-jaw chuck during use, and can still well clamp and position the mould after the mould rotates a certain angle; meanwhile, the auxiliary bolt is adjusted to be matched with the movable clamping jaw, and a non-centrosymmetric and non-axisymmetric mold such as an animal-shaped mold can be clamped and positioned, so that the application range is wide.

Drawings

FIG. 1 is a perspective view showing the overall structure of embodiment 1;

fig. 2 is a schematic structural view of the gear key of embodiment 1.

Wherein: 1. a chuck body; 2. a movable jaw; 3. an auxiliary bolt; 4. a bevel pinion gear; 5. a fixing leg; 6. a chuck key; 7. a disc handle.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

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.

Example 1

As shown in fig. 1-2, a grinding machine positioning mechanism for die machining comprises a three-jaw chuck body, wherein the three-jaw chuck body comprises a chuck body 1 and movable jaws 2 mounted on the chuck body 1, a disc-shaped bevel gear is mounted inside the chuck body 1, the movable jaws 2 are in threaded engagement with a plane on the back of the disc-shaped bevel gear, a small bevel gear 4 is in threaded engagement with a conical thread on the edge of the disc-shaped bevel gear, and the small bevel gear 4 is rotated to drive the three movable jaws 2 to move;

the end face of the movable clamping jaw 2, which is far away from the center of the chuck body 1, is provided with anti-slip lines for improving friction force and preventing slipping when the movable clamping jaw 2 reversely clamps a mold;

the movable clamping jaws 2 are provided with auxiliary screw holes, as shown in fig. 1, the axial direction of each auxiliary screw hole is parallel to the radial direction of the chuck body 1, each auxiliary screw hole penetrates through the corresponding movable clamping jaw 2, an auxiliary bolt 3 is installed in each auxiliary screw hole, each auxiliary bolt 3 is an inner hexagon bolt, each auxiliary bolt 3 is screwed, each auxiliary bolt 3 protrudes towards the center direction of the chuck body 1, the movable clamping jaws 2 can be assisted to position irregularly-shaped molds, when a fan-shaped mold is positioned, only three movable clamping jaws 2 can be respectively abutted to the outer circle side wall and the inner circle side wall of the fan-shaped mold under normal conditions, so that stability is ensured, when the auxiliary bolts 3 are used in a matching manner, one movable clamping jaw 2 can be abutted to the side wall of the fan-shaped mold, and the auxiliary bolts 3 on the other two movable clamping jaws 2 are abutted to the outer circle side wall and the inner circle side wall of the fan-shaped mold, so that the special rotation angle of the fan-shaped mold during positioning is changed, and the mold grinding requirements are met;

the bottom edge welding of chuck body 1 has fixed foot 5, as shown in figure 1, fixed foot 5 can select four, and four fixed foot 5 evenly distributed have seted up the mounting hole on fixed foot 5 on the circumferencial direction of the lateral wall of chuck body 1, during the use, pass the mounting hole to the fixing bolt on the T type groove workstation of grinding machine, fix this mechanism on T type groove workstation to can be as required, horizontal rotation chuck body 1, the spiro union is fixed on T type groove workstation.

The one end processing that movable jack catch 2 kept away from the center of chuck body 1 has the stair structure, as shown in fig. 1, the movable jack catch 2 of being convenient for gets the mould from the reverse clamp of inboard, simultaneously, when the mould is got to reverse clamp, can also wear to establish auxiliary bolt 3 from the inboard outside of movable jack catch 2 to press from both sides and get the irregular mould of inboard structure of location.

The height of stair structure is greater than the aperture of supplementary screw, has all seted up supplementary screw on every layer of stair structure, and the length of auxiliary bolt 3 is greater than the length of activity jack catch 2, and the auxiliary bolt 3 of being convenient for gets positioning die from the not co-altitude of three stair structure from top to bottom.

The mechanism also comprises a filling bolt, wherein the filling bolt is an inner hexagonal headless bolt, the filling bolt is arranged in an auxiliary screw hole without an auxiliary bolt 3 or the auxiliary bolt, two ends of the filling bolt do not leak outwards, and the structural stability of the movable clamping jaw 2 is improved;

install bevel pinion 4 on the lateral wall of chuck body 1, processing has the cubic counter bore on bevel pinion 4's the lateral wall, and bevel pinion 4 is supporting to have chuck key 6, inserts bevel pinion 4's cubic counter bore through chuck key 6 in, rotates bevel pinion 4, adjusts movable jack catch 2 and removes, and bevel pinion 4 and chuck key 6 are the components of a whole that can function independently structure, are convenient for pack up chuck key 6, reduce the maloperation.

One end of the chuck key 6 is provided with a quadrangular prism matched with a square counter bore of the bevel pinion 4, the other end of the chuck key is welded with a disk handle 7, and the twisting difficulty of the chuck key 6 is reduced through the disk handle 7.

The working principle is as follows: when the mechanism is used, the position of a fixing bolt on a T-shaped groove workbench is adjusted, then the fixing bolt penetrates through a mounting hole, the mechanism is fixed on the T-shaped groove workbench of a grinding machine in a threaded manner, the movable clamping jaw 2 is opened through the chuck key 6, and a mold is clamped and positioned on the grinding machine;

according to the shape of the mould and the angle of rotation required, the three auxiliary bolts 3 are respectively adjusted to be screwed in and screwed out, and the mould is clamped and positioned from the outer side or the inner side of the mould, so that the mould clamping device is suitable for the mould processing requirements of different shapes and different rotation angles, and is wide in application range.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a grinding machine positioning mechanism is used in mould processing, includes three-jaw chuck body, three-jaw chuck body includes chuck body (1) and installs movable jack catch (2) on chuck body (1), its characterized in that, supplementary screw has been seted up on movable jack catch (2), the axial of supplementary screw is parallel with the radial of chuck body (1), supplementary screw runs through movable jack catch (2), be provided with auxiliary bolt (3) in the supplementary screw.

2. The positioning mechanism of the grinding machine for processing the die as claimed in claim 1, wherein one end of the movable jaw (2) far away from the center of the chuck body (1) is provided with a step structure.

3. The positioning mechanism of the grinding machine for machining the mold as claimed in claim 2, wherein the height of the step structure is larger than the diameter of the auxiliary screw hole, and each layer of the step structure is provided with the auxiliary screw hole.

4. The positioning mechanism of the grinding machine for machining the die is characterized in that the length of the auxiliary bolt (3) is greater than that of the movable jaw (2).

5. The positioning mechanism of the grinding machine for machining the mold as claimed in claim 1, wherein a fixing leg (5) is provided at the bottom edge of the chuck body (1), and a mounting hole is provided on the fixing leg (5).

6. The positioning mechanism of the grinding machine for processing the die is characterized in that a small bevel gear (4) is arranged on the chuck body (1), and a chuck key (6) is matched with the small bevel gear (4).

7. The positioning mechanism of the grinding machine for processing the die as claimed in claim 6, wherein one end of the chuck key (6) is provided with a quadrangular prism matched with the small bevel gear (4), and the other end is connected with a disk handle (7).

8. The positioning mechanism of the grinding machine for processing the die as claimed in claim 1, wherein the end surface of the movable jaw (2) far away from the center of the chuck body (1) is provided with anti-skid lines.