CN216914665U

CN216914665U - Plastic mold frame capable of being accurately positioned

Info

Publication number: CN216914665U
Application number: CN202122268702.6U
Authority: CN
Inventors: 黄邓华
Original assignee: Yongwei Customer Mould Base Yixing Co ltd
Current assignee: Yongwei Customer Mould Base Yixing Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-07-08
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a plastic mold frame capable of being accurately positioned, and relates to the technical field of plastic mold frames. According to the utility model, the four grooves are formed in the inner wall of the positioning groove, the plurality of fixed shafts and the balls are arranged in the grooves, and the balls are in sliding contact with the positioning groove, so that the friction between the inner wall of the positioning groove and the outer wall of the positioning column is reduced, the abrasion of the positioning column and the positioning groove is reduced, the positioning capacity of the positioning column is improved, and the precision of the injection mold is ensured.

Description

Plastic mold frame capable of being accurately positioned

Technical Field

The utility model relates to the technical field of plastic mold bases, in particular to a plastic mold base capable of being accurately positioned.

Background

Various tools and products used in daily production and life are large as a base and a machine body shell of a machine tool and small as a shell of a head screw, a button and various household appliances, and have no close relation with a die. The shape of the mold determines the shape of the products, and the processing quality and precision of the mold determine the quality of the products. In recent years, with the rapid development of the plastic industry and the continuous improvement of general-purpose and engineering plastics in the aspects of strength, precision and the like, the application range of plastic products is also continuously expanding, such as: the proportion of plastic products is rapidly increasing in a plurality of fields such as household appliances, instruments, meters, building equipment, automobile industry, daily hardware and the like. A reasonably designed plastic part tends to replace many conventional metal parts. The trend towards plastification of industrial and consumer products is increasing.

The locating piece is the important component of injection mold, in injection mold's long-time use, can make the locating piece receive wearing and tearing, makes the location ability of locating piece weaken to make injection mold's precision reduce, be unfavorable for the production of product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic mold frame capable of being accurately positioned, and aims to solve the problems that a positioning block provided in the background technology is an important component of an injection mold, and the positioning block is abraded in the long-time use process of the injection mold, so that the positioning capacity of the positioning block is weakened, the precision of the injection mold is reduced, and the production of products is not facilitated.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

the utility model provides a plastic die carrier that can accurate location, includes mould and bed die, the top fixed mounting of going up the mould has the cope match-plate pattern, the bottom fixed mounting of bed die has the lower bolster, the middle part position department of looks butt between last mould and the bed die is provided with the chamber of moulding plastics, the base is installed in the inside bottom embedding of going up the mould, the bottom fixed surface of base is connected with the reference column, the one end of reference column runs through the mould and extends to the bottom outside of mould, the constant head tank has been seted up on the top surface of bed die, just the recess has been seted up to the inner wall of constant head tank, just a plurality of fixed axles of inside fixedly connected with of recess, the rotation on surface of fixed axle is connected with the ball.

Preferably, the reference column is cylindrical, just the bottom of reference column is provided with the chamfer, the quantity of reference column has four, and four the reference column is respectively through base fixed mounting in the bottom four corners position department of last mould.

Preferably, the constant head tank is cylindrical, there are four constant head tanks in quantity, and four the constant head tank is located the top surface four corners position department of bed die respectively, just four the constant head tank respectively with four the reference column position corresponds the matching.

Preferably, the quantity of recess has four, and four the equal equidistance setting of the outer circumferencial direction of recess edge constant head tank, and every the inside of recess all is provided with a plurality of fixed axles and ball.

Preferably, the surface of ball is the setting of arc terminal surface, just the arc of ball and the surface phase-match of constant head tank.

Compared with the prior art, the utility model provides a plastic mold frame capable of being accurately positioned, which has the following beneficial effects:

according to the utility model, four grooves are formed in the inner wall of the positioning groove, a plurality of fixing shafts and balls are arranged inside the grooves, when an upper die and a lower die are combined, the positioning column is inserted into the positioning groove, the positioning groove is slightly larger than the positioning column in size, the positioning column is completely inserted into the positioning groove, the surfaces of the balls are in sliding contact with the surface of the positioning column under the action of the fixing shafts, the positioning column is further abutted and fixed inside the positioning groove, and the inner wall of the positioning groove is reduced from rubbing with the outer wall of the positioning column through sliding contact of the balls and the positioning groove, so that the abrasion of the positioning column and the positioning groove is reduced, the positioning capability of the positioning column is improved, and the precision of the injection mold is further ensured.

Drawings

FIG. 1 is a schematic structural view of a plastic mold frame capable of being accurately positioned according to the present invention;

FIG. 2 is a schematic view of a positioning groove structure according to the present invention;

the reference numbers in the figures are:

1. mounting a template; 2. an upper die; 3. a lower template; 4. a lower die; 5. an injection molding cavity; 6. a base; 7. a positioning column; 8. positioning a groove; 9. a groove; 10. a fixed shaft; 11. and (4) a ball.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-2, a plastic die carrier that can pinpoint, including last mould 2 and bed die 4, the top fixed mounting of going up mould 2 has cope match-plate pattern 1, the bottom fixed mounting of bed die 4 has lower bolster 3, the middle part position department of looks butt between last mould 2 and the bed die 4 is provided with moulds plastics chamber 5, the base 6 is installed in the inside bottom embedding of going up mould 2, the bottom fixed surface of base 6 is connected with reference column 7, the one end of reference column 7 runs through last mould 2 and extends to the bottom outside of last mould 2, constant head tank 8 has been seted up on the top surface of bed die 4, and the inner wall of constant head tank is seted up flutedly 9, and a plurality of fixed axles 10 of inside fixed connection of recess 9, the surface rotation of fixed axle 10 is connected with ball 11, ball 11 rotates through fixed axle 10 and installs the inside at recess 9.

Specifically, reference column 7 is cylindrical, and the bottom of reference column 7 is provided with the chamfer, and the chamfer makes the end department of reference column 7 less, from the inside of the constant head tank 8 of inserting of the reference column 7 of being convenient for, and the quantity of reference column 7 has four, and four reference columns 7 respectively through 6 fixed mounting in the bottom four corners position department of last mould 2.

Specifically, the positioning grooves 8 are cylindrical, the number of the positioning grooves 8 is four, the four positioning grooves 8 are respectively located at four corners of the top surface of the lower die 4, the four positioning grooves 8 are respectively matched with the four positioning columns 7 correspondingly, and the size of each positioning groove 8 is slightly larger than the positioning column 7.

Specifically, there are four recess 9's quantity, and four recess 9 along the outer circumferencial direction equidistance setting of constant head tank 8, and every recess 9's inside all is provided with a plurality of fixed axles 10 and ball 11, and four 9 layers of cross distribute and set up to make the inside ball 11 of recess 9 distribute around reference column 7 to reference column 7 and then the fixed stability of reference column 7 in constant head tank 8 of butt.

Specifically, ball 11's surface is the setting of arc terminal surface, and ball 11's arc and constant head tank 8's surface phase-match, and when reference column 7 inserted constant head tank 8's inside, the arc terminal surface on ball 11 surface laminated with reference column 7's surface mutually, and made ball 11 surface and reference column 7's surface sliding contact under the effect of fixed axle 10, fixed positioning was carried out at constant head tank 8 inside to reference column 7 through a plurality of balls 11 of four directions.

The working principle and the using process of the utility model are as follows: after the utility model is installed, when the utility model is used without errors in inspection, four grooves 9 are arranged at the inner wall of the positioning groove 8, a plurality of fixed shafts 10 and balls 11 are arranged inside the grooves 9, when the upper die 2 and the lower die 4 are closed, the positioning column 7 is inserted in the positioning groove 8, because the size of the positioning groove 8 is slightly larger than that of the positioning column 7, thereby the positioning post 7 is completely inserted into the positioning groove 8, the surface of the ball 11 is in sliding contact with the surface of the positioning post 7 under the action of the fixed shaft 10, thereby abutting and fixing the positioning column 7 in the positioning groove 8, reducing the friction between the inner wall of the positioning groove 8 and the outer wall of the positioning column 7 through the sliding contact of the ball 11 and the positioning groove 8, and then reduced the wearing and tearing that reference column 7 and constant head tank 8 received, improved reference column 7's location ability, and then guaranteed injection mold's precision.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a but plastic die carrier of accurate location, includes mould (2) and bed die (4), its characterized in that: an upper template (1) is fixedly arranged at the top end of the upper die (2), a lower template (3) is fixedly arranged at the bottom end of the lower die (4), an injection molding cavity (5) is arranged at the middle position where the upper die (2) and the lower die (4) are abutted, a base (6) is embedded into the bottom end of the interior of the upper die (2), a positioning column (7) is fixedly connected to the surface of the bottom end of the base (6), one end of the positioning column (7) penetrates through the upper die (2) and extends to the outer side of the bottom end of the upper die (2), a positioning groove (8) is formed in the surface of the top end of the lower die (4), and the inner wall of the positioning groove (8) is provided with a groove (9), a plurality of fixing shafts (10) are fixedly connected inside the groove (9), and the surfaces of the fixing shafts (10) are rotatably connected with balls (11).

2. The plastic mold frame capable of being accurately positioned according to claim 1, wherein: reference column (7) are cylindrical, just the bottom of reference column (7) is provided with the chamfer, the quantity of reference column (7) has four, and four reference column (7) are respectively through base (6) fixed mounting in the bottom four corners position department of last mould (2).

3. The plastic mold frame capable of being accurately positioned according to claim 1, wherein: the positioning grooves (8) are cylindrical, the number of the positioning grooves (8) is four, the four positioning grooves (8) are respectively located at four corners of the top surface of the lower die (4), and the four positioning grooves (8) are respectively matched with the four positioning columns (7) in a corresponding mode.

4. The plastic mold frame capable of being accurately positioned according to claim 1, wherein: the quantity of recess (9) has four, and four the outer circumferencial direction equidistance setting of constant head tank (8) is followed in recess (9), and every the inside of recess (9) all is provided with a plurality of fixed axles (10) and ball (11).

5. The plastic mold frame capable of being accurately positioned according to claim 1, wherein: the surface of ball (11) is the setting of arc terminal surface, just the arc of ball (11) and the surface phase-match of constant head tank (8).