CN213891015U

CN213891015U - Positioning mechanism and mould suitable for mould

Info

Publication number: CN213891015U
Application number: CN202022434756.0U
Authority: CN
Inventors: 王诗健
Original assignee: SHANGHAI DESHUHE METAL PRODUCTION CO LTD
Current assignee: SHANGHAI DESHUHE METAL PRODUCTION CO LTD
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-08-06
Anticipated expiration: 2030-10-28

Abstract

The utility model provides a positioning mechanism and a mold suitable for a mold, which comprises a male positioning block and a female positioning block, wherein the male positioning block is provided with a positioning boss, the positioning boss is provided with Teflon particles, wherein one end of the Teflon particles is arranged inside the positioning boss, the other end of the Teflon particles protrudes out of the outer surface of the positioning boss, the female positioning block is provided with a positioning groove, the positioning groove is used for accommodating and guiding the positioning boss, when the positioning boss moves towards the inside of the positioning groove, the Teflon particles contact the inner wall of the female positioning block in a sliding or rolling way, the friction coefficient of the Teflon particles in the utility model is small, therefore, in the relative movement process of the positioning boss and the positioning groove, compared with the positioning boss without the Teflon particles, the positioning boss can be more easily installed and disassembled, the working efficiency is improved, and the service life of the die is prolonged.

Description

Positioning mechanism and mould suitable for mould

Technical Field

The utility model relates to the technical field of mold, specifically, relate to a positioning mechanism and mould suitable for mould.

Background

The mould is used for obtaining various moulds and tools of 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. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the cavity shape can be used for enabling the blank to obtain a corresponding three-dimensional shape. The mold generally comprises a movable mold plate and a fixed mold plate (or a male mold and a female mold), which can be combined or separated. When the blank is closed, the blank is injected into the die cavity for forming. The mould is a precision tool, has complex shape and higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, has the defects of complex structure and high cost of a positioning device in the process of closing the movable mould plate and the static mould plate of the existing mould, and has the defect of low disassembly and assembly efficiency due to slow assembly and disassembly of the movable mould plate and the static mould plate.

Patent document CN206613938U discloses a positioner for mould, the mould be provided with the lower mould and with the identical last mould of lower mould, be provided with a plurality of stands on the lower mould, upward be provided with a plurality of stand holes on the mould, the stand insert in the stand hole, it reciprocates along the stand to go up the mould, upward be provided with positioner between mould and the lower mould, positioner is provided with a plurality of pressure sensor, pressure sensor is located around the mold core of last mould, the mold core of lower mould is provided with a plurality of pressure spring all around, pressure sensor with the mutual one-by-one perpendicular of pressure spring is relative, but this design often because frictional force is not smooth and easy when installation and dismantlement through the cooperation of hole post, has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a positioning mechanism and mould suitable for mould.

According to the utility model, the positioning mechanism suitable for the die comprises a male positioning block and a female positioning block;

the male positioning block is provided with a positioning boss, and Teflon particles are arranged on the positioning boss, wherein one end of each Teflon particle is arranged inside the positioning boss, and the other end of each Teflon particle protrudes out of the outer surface of the positioning boss;

be provided with the constant head tank on the female locating piece, the constant head tank is used for holding and guiding the location boss, wherein, when location boss moves towards the constant head tank is inside, teflon granule contacts the inner wall of female locating piece with slip or rolling mode.

Preferably, the positioning boss and the positioning groove are of matched cuboid structures.

Preferably, a guide slope is provided on the boss.

Preferably, the inclination angle of the guide slope is 30-60 °.

Preferably, the male locating block and the female locating block have equal widths and the male locating block can be mounted on the female locating block when moving in the length direction.

Preferably, the male positioning block and the female positioning block are respectively provided with a male positioning block mounting hole and a female positioning block mounting hole.

Preferably, the teflon particles are circular or elliptical.

Preferably, the teflon particles are uniformly or non-uniformly arranged along the circumferential direction of the positioning boss.

Preferably, the positioning boss is integrally formed with the male positioning block.

According to the utility model provides a pair of mould, install positioning mechanism suitable for mould, including fixed die plate and movable mould board, wherein, adopt following any kind of connected mode:

-the male locating block is mounted on the fixed die plate and the female locating block is mounted on the movable die plate;

the male locating block is mounted on the moving platen and the female locating block is mounted on the fixed platen.

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

1. the utility model discloses imbed teflon granule in the location boss, because the teflon granule has less coefficient of friction, consequently in the process of location boss to the constant head tank installation or the in-process of tearing out from the constant head tank, compare the location boss that does not imbed the teflon granule and can install more easily and dismantle, the installation is dismantled conveniently, and the work efficiency is improved, the condition that public locating piece and female locating piece lead to the too big emergence in clearance to damage because of the friction has been reduced simultaneously, because teflon granule coefficient of friction is little, consequently, can set up littleer clearance between location boss and the constant head tank, it is accurate to have improved mould compound die location, the service life of mould has been prolonged.

2. The utility model discloses be provided with the guide slope on the well location boss, improved compound die efficiency, and the inclination on guide slope can be according to concrete application scene rational design, and the structure is nimble, and the practicality is strong.

3. The utility model discloses the width of public locating piece and female locating piece equals, makes whole positioning mechanism appearance more pleasing to the eye after two locating piece installations.

4. The utility model provides a teflon granule can select the quantity of arranging on the boss of location and specifically arrange the structure according to the application scene of reality to satisfy the demand of actual positioning mechanism function, can enough realize that teflon granule fixes on the boss of location, realize sliding guide during the installation, also can imbed on the boss of location and can set to for the rolling mode of boss of location, the structure is nimble, and the practicality is strong.

5. The utility model provides a positioning mechanism both can be applied to in the mould, also can be applied to in the equipment of other needs location, and the range of application is extensive, and frictional force is little, and is longe-lived.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a middle positioning mechanism of the present invention;

fig. 2 is a schematic view of a cross-sectional structure of the middle mold of the present invention.

The figures show that:

male locating block 1 guide slope 6 bottom plate 11

Ejector plate 12 on fixed die plate 7 of female positioning block 2

Lower ejector plate 13 of movable template 8 of positioning boss 3

Positioning groove 4 panel 9

Teflon particle 5 mould foot 10

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

The utility model provides a positioning mechanism suitable for mould, as shown in figure 1, including public locating piece 1 and female locating piece 2, be provided with location boss 3 on the public locating piece 1, location boss 3 and public locating piece 1 are preferred integrated into one piece. Be provided with teflon granule 5 on the boss 3 of location, wherein, the one end setting of teflon granule 5 is in the inside of boss 3 of location, the other end of teflon granule 5 protrudes to the outside of 3 surfaces of boss of location, be provided with constant head tank 4 on the female locating piece 2, constant head tank 4 is used for holding and guiding boss 3 of location.

Further, when the male positioning block 1 moves towards the female positioning block 2, the positioning boss 3 moves towards the inside of the positioning groove 4, the male positioning block 1 can be installed on the female positioning block 2 in a matched mode, in the moving process, the teflon particles 5 contact the inner wall of the female positioning block 2 in a sliding or rolling mode, the effect of reducing friction force is achieved while positioning, and the positioning boss 3 can be smoothly inserted into the positioning groove 4 or pulled out of the positioning groove 4. In a preferred embodiment, as shown in fig. 1, the positioning boss 3 and the positioning groove 4 are of matched rectangular parallelepiped structures. In one variant, the positioning boss 3 and the positioning slot 4 are of matching cylindrical configuration.

Specifically, as shown in fig. 1, a guide slope 6 is arranged on the positioning boss 3, and an inclination angle of the guide slope 6 is preferably 30-60 °, and specifically, the inclination angle can be further selected according to a specific application scene, so that an actual requirement is met.

Specifically, as shown in fig. 1, in a preferred embodiment, the widths of the male positioning block 1 and the female positioning block 2 are equal, and the male positioning block 1 can be mounted on the female positioning block 2 when moving along the length direction, so that the whole positioning mechanism has a more beautiful appearance.

Specifically, as shown in fig. 1, a male positioning block mounting hole and a female positioning block mounting hole are respectively formed in the male positioning block 1 and the female positioning block 2, and are used for being mounted on a specific device to realize a positioning function.

In practical applications, the teflon particles 5 can take various structural forms, such as a circle, and further such as an ellipse, the teflon particles 5 are uniformly or non-uniformly arranged along the circumferential direction of the positioning boss 3, for example, a plurality of teflon particles 5 are symmetrically arranged on two opposite surfaces of the positioning boss 3, and further for example, each surface of the positioning boss 3 in the circumferential direction is provided with the teflon particles 5, so as to meet the requirements of the function of the actual positioning mechanism.

Further, the teflon particles 5 may be fixed to the positioning bosses 3, or may be embedded in the positioning bosses 3 and may be disposed in a rolling manner with respect to the positioning bosses 3, so that the positioning work may be performed in a rolling manner or in a sliding manner.

The utility model discloses in still provide a mould, install on the mould positioning mechanism who is applicable to the mould, as shown in fig. 2, including fixed die plate 7 and movable mould board 8, in a concrete embodiment, public locating piece 1 is installed on fixed die plate 7, female locating piece 2 is installed on movable mould board 8, and when fixed die plate 7 installs the in-process at movable mould board 8, location boss 3 on public locating piece 1 can be installed under the guide of constant head tank 4 on female locating piece 2 in constant head tank 4 and fix a position and then realize the location of fixed die plate 7 on movable mould board 8 to public locating piece 1, and at the in-process of installation location, special fluorine dragon granule 5 plays the effect of reducing friction, makes the installation and dismantlement more smooth and easy.

In another embodiment, the male positioning block 1 is mounted on the movable die plate 8, and the female positioning block 2 is mounted on the fixed die plate 7, so that the rapid positioning of the die can be realized.

In the actual use process of the die, the die opening or die closing positioning of the whole die is usually realized through the matching of a plurality of positioning mechanisms, so that the positioning steel frame of the whole die is accurate, for example, four sets of positioning mechanisms are adopted. In addition, other components are arranged in the mold to match the operation of the mold, in a preferred embodiment, the mold further comprises a panel 9, mold legs 10, a bottom plate 11, an upper ejector plate 12 and a lower ejector plate 13, wherein the panel 9 is installed on the fixed mold plate 7, the bottom plate 11 is installed on the movable mold plate 8 through the mold legs 10, the movable mold plate 8, the mold legs 10 and the bottom plate 11 are sequentially connected and enclose an accommodating space, the upper ejector plate 12 and the lower ejector plate 13 are installed in the accommodating space, and the upper ejector plate 12 and the lower ejector plate 13 are used for ejecting a processed product from the movable mold plate 8 after mold opening, so that the disassembling efficiency is improved, and the processing speed of the product is improved.

The utility model provides a positioning mechanism both can be applied to in the mould, also can be applied to in the equipment of other needs location according to the applied scene of reality to satisfy the demand of equipment location, the range of application is extensive, and frictional force is little, longe-lived.

In the description of the present application, it is to be understood that the terms "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 only for convenience in describing the present application 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 application.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A positioning mechanism suitable for a mold is characterized by comprising a male positioning block (1) and a female positioning block (2);

a positioning boss (3) is arranged on the male positioning block (1), Teflon particles (5) are arranged on the positioning boss (3), one end of each Teflon particle (5) is arranged inside the positioning boss (3), and the other end of each Teflon particle (5) protrudes out of the outer surface of the positioning boss (3);

be provided with constant head tank (4) on female locating piece (2), constant head tank (4) are used for holding and guide location boss (3), wherein, when location boss (3) are towards constant head tank (4) inside motion, teflon granule (5) are with the inner wall of sliding or rolling mode contact female locating piece (2).

2. The positioning mechanism suitable for the mold according to claim 1, wherein the positioning boss (3) and the positioning groove (4) are of matched rectangular parallelepiped structure.

3. A positioning mechanism for a mould according to claim 1, characterised in that the boss (3) is provided with a guide ramp (6).

4. A positioning mechanism for a mold as set forth in claim 3, wherein the guide slope (6) is inclined at an angle of 30 to 60 °.

5. The positioning mechanism for the mold according to claim 1, wherein the male positioning block (1) and the female positioning block (2) have equal width and the male positioning block (1) can be mounted on the female positioning block (2) when moving in the length direction.

6. The positioning mechanism suitable for the mold according to claim 1, wherein the male positioning block (1) and the female positioning block (2) are respectively provided with a male positioning block mounting hole and a female positioning block mounting hole.

7. The positioning mechanism for the mold according to claim 1, wherein the Teflon particles (5) are circular or elliptical.

8. The positioning mechanism for the mold according to claim 1, wherein the Teflon particles (5) are uniformly or non-uniformly arranged along the circumference of the positioning boss (3).

9. The positioning mechanism for the mold according to claim 1, wherein the positioning boss (3) is integrally formed with the male positioning block (1).

10. A mold equipped with the positioning mechanism for mold according to any one of claims 1 to 9, comprising a fixed mold plate (7) and a movable mold plate (8), wherein any one of the following connection methods is adopted:

-the male locating block (1) is mounted on a fixed die plate (7) and the female locating block (2) is mounted on a movable die plate (8);

-the male locating block (1) is mounted on a moving platen (8) and the female locating block (2) is mounted on a fixed platen (7).