CN217395503U

CN217395503U - Plastic mold positioning device

Info

Publication number: CN217395503U
Application number: CN202123222620.4U
Authority: CN
Inventors: 张怀
Original assignee: Shanghai Ger New Material Science & Technology Co ltd
Current assignee: Shanghai Ger New Material Science & Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-09-09
Anticipated expiration: 2031-12-21

Abstract

The utility model provides a plastic mold positioning device belongs to mould location technical field, and this plastic mold positioning device includes mould and lower mould, the bottom fixedly connected with upper die base of last mould, the die cavity has been seted up to the upper surface of going up the mould, the middle part of lower mould upper surface is provided with down the die cavity, the equal fixedly connected with guide post in four corners of lower mould upper surface, the side fixedly connected with side lock of lower mould upper surface, the upper surface of lower mould is close to the outer lane fixedly connected with toper reference column of die cavity down, the central hydraulic buffer post of middle part fixedly connected with of lower mould lower surface, the bottom fixedly connected with die holder of central hydraulic buffer post. The plastic mold positioning device can slowly close the mold during pressing, so that the stress inside the mold is more uniform and stable, the quality of the produced plastic product is more stable, the conical positioning column and the side lock can be jointly positioned and guided during closing the mold, and the positioning is more accurate.

Description

Plastic mold positioning device

Technical Field

The utility model belongs to the technical field of the mould location, concretely relates to plastic mold positioner.

Background

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, with different molds being made up of different parts. The method realizes the processing of the shape of an article mainly by changing the physical state of a formed material, and enables a blank to be a tool of a workpiece 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.

At present when using the mould to produce, the mould is most not set up the buffering during pressfitting, and the mould is inside easy atress inhomogeneous during the pressfitting, makes the plastics product quality of pressfitting unstable to the location is accurate inadequately when the pressfitting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic mold positioner, it does not set up the buffering mostly when aiming at solving the mould pressfitting among the prior art, and the inside easy atress of mould is inhomogeneous during the pressfitting, makes the plastics product quality of pressfitting unstable to fix a position the not accurate problem inadequately when the pressfitting.

In order to achieve the above purpose, the utility model provides a following technical scheme: a plastic mold positioning device comprises an upper mold and a lower mold, wherein an upper mold base is fixedly connected to the bottom end of the upper mold, an upper mold cavity is formed in the upper surface of the upper mold, a lower mold cavity is arranged in the middle of the upper surface of the lower mold, guide columns are fixedly connected to four corners of the upper surface of the lower mold, a side lock is fixedly connected to the side edge of the upper surface of the lower mold, a conical positioning column is fixedly connected to the outer circle, close to the lower mold cavity, of the upper surface of the lower mold, a central hydraulic buffering column is fixedly connected to the middle of the lower surface of the lower mold, a lower mold base is fixedly connected to the bottom end of the central hydraulic buffering column, supporting blocks are fixedly connected to two sides of the upper surface of the lower mold base, a supporting hydraulic buffering column is fixedly connected to the outer side, close to the side of the supporting hydraulic buffering column, of the upper surface of the lower mold, the upper surface of the supporting plate is fixedly connected with a buffer spring.

In order to make this a plastic mold positioner location more accurate, as the utility model relates to an it is preferred, the toper reference column has four, and four toper reference columns are the rectangle and arrange.

In order to make this a plastic mold positioner make support hydraulic buffer post and buffer spring and all support the lower mould, as the utility model relates to an it is preferred, support the bottom fixed connection of hydraulic buffer post and buffer spring's top and lower mould.

In order to make this a plastic mold positioner more be fit for carrying out plastics production, conduct the utility model relates to an it is preferred, go up mould and lower mould and all adopt the preparation of copper alloy material to form.

In order to make this a plastic mold positioner play the guard action to lower mould and supporting shoe, conduct the utility model relates to an it is preferred, the standing groove has been seted up to the upper surface of supporting shoe, the inside fixedly connected with blotter of standing groove.

In order to make this a plastic mold positioner make the limit lock dismantle the change, conduct the utility model discloses a preferred, fixing hole has been seted up to one side of limit lock, fixing hole's inside is provided with the set screw.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this plastic mold positioner, through last mould, the lower mould, central hydraulic buffer post, the die holder, the supporting shoe, support hydraulic buffer post, backup pad and buffer spring cooperation setting, when last mould and lower mould carry out the pressfitting, the central hydraulic buffer post of lower mould bottom, support hydraulic buffer post and buffer spring combined action, play good cushioning effect, certain buffering has when making the mould pressfitting, the supporting shoe is being hugged closely to the lower surface of lower mould after complete pressfitting, through central hydraulic buffer post, support hydraulic buffer post and buffer spring's effect, carry out the compound die at a slow speed when making the mould pressfitting, make the inside atress of mould more even stable, the plastics product quality that makes the production is more stable.

2. This plastic mold positioner, through last mould, the lower mould, the upper die base, go up the die cavity, the die cavity down, the guide post, side lock and toper reference column cooperation setting, when using mould production to carry out the compound die, the guide post all plays the guide effect at the overall process of compound die, make and go up mould and lower mould and keep roughly the precision and carry out the compound die, at compound die process rear end, toper reference column and side lock combined action, make the accurate compound die of mould and lower mould, toper reference column and side lock are fixed a position the guide jointly when the compound die, it is more accurate to fix a position.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic view of the axial measurement structure of the present invention;

FIG. 2 is a schematic view of the axial measurement structure of the middle and lower dies of the present invention;

FIG. 3 is a schematic side view of the middle and lower molds of the present invention;

fig. 4 is a schematic view of a top-down sectional structure of the middle and lower dies of the present invention;

fig. 5 is a schematic view of the shaft measuring structure of the middle lock of the present invention.

In the figure: 1. an upper die; 2. a lower die; 3. an upper die holder; 4. an upper die cavity; 5. a lower die cavity; 6. a guide post; 7. side locking; 8. a conical positioning column; 9. a central hydraulic cushion column; 10. a lower die holder; 11. a support block; 12. supporting a hydraulic buffer column; 13. a support plate; 14. a buffer spring; 15. a placement groove; 16. a cushion pad; 17. a fixing through hole; 18. and fixing the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a plastic mold positioning device comprises an upper mold 1 and a lower mold 2, wherein the bottom end of the upper mold 1 is fixedly connected with an upper mold base 3, the upper surface of the upper mold 1 is provided with an upper mold cavity 4, the middle part of the upper surface of the lower mold 2 is provided with a lower mold cavity 5, four corners of the upper surface of the lower mold 2 are fixedly connected with guide columns 6, side edges of the upper surface of the lower mold 2 are fixedly connected with side locks 7, the outer ring of the upper surface of the lower mold 2 close to the lower mold cavity 5 is fixedly connected with a conical positioning column 8, the middle part of the lower surface of the lower mold 2 is fixedly connected with a central hydraulic buffer column 9, the bottom end of the central hydraulic buffer column 9 is fixedly connected with a lower mold base 10, two sides of the upper surface of the lower mold base 10 are fixedly connected with supporting blocks 11, the outer side of the upper surface of the lower mold base 10 close to the central hydraulic buffer column 9 is fixedly connected with a supporting hydraulic buffer column 12, and the upper surface of the lower mold 2 close to the side surface of the supporting hydraulic buffer column 12 is fixedly connected with a supporting plate 13, a buffer spring 14 is fixedly connected to the upper surface of the support plate 13.

In the embodiment of the utility model, through last mould 1, lower mould 2, central hydraulic buffer post 9, die holder 10, supporting shoe 11, support hydraulic buffer post 12, backup pad 13 and buffer spring 14 cooperation setting, when going up mould 1 and lower mould 2 and carrying out the pressfitting, the central hydraulic buffer post 9 of lower mould 2 bottom, support hydraulic buffer post 12 and buffer spring 14 combined action, play good cushioning effect, certain buffering has when making the mould pressfitting, supporting shoe 11 is hugged closely to the lower surface of lower mould 2 after complete pressfitting, through central hydraulic buffer post 9, support hydraulic buffer post 12 and buffer spring 14's effect, carry out slow-speed compound die when making the mould pressfitting, make the inside atress of mould more even stable, make the plastics product quality of production more stable, through last mould 1, lower mould 2, go up die holder 3, go up die cavity 4, cavity 5, guide post 6, Side lock 7 and the cooperation of toper reference column 8 set up, when using mould production to carry out the compound die, guide column 6 all plays the guide effect at the overall process of compound die, makes and goes up mould 1 and lower mould 2 and keep roughly the precision and carry out the compound die, and at the compound die process rear end, toper reference column 8 and side lock 7 combined action make and go up the accurate compound die of mould 1 and lower mould 2, and toper reference column 8 and side lock 7 fix a position the guide jointly when the compound die, fix a position more accurately.

Specifically, there are four conical positioning columns 8, and the four conical positioning columns 8 are arranged in a rectangular shape.

In this embodiment: the four conical positioning columns 8 which are arranged in a rectangular shape are positioned more accurately.

Specifically, the top ends of the hydraulic cushion columns 12 and the cushion springs 14 are fixedly connected with the bottom end of the lower die 2.

In this embodiment: so that the lower die 2 is supported by both the support hydraulic cushion columns 12 and the cushion springs 14.

Specifically, the upper die 1 and the lower die 2 are both made of copper alloy materials.

In this embodiment: the mould made of the copper alloy material is more suitable for plastic production.

Specifically, a placing groove 15 is formed in the upper surface of the supporting block 11, and a cushion 16 is fixedly connected to the inside of the placing groove 15.

In this embodiment: the cushion pad 16 plays a role of buffering when the mold is closed, and plays a role of protecting the lower mold 2 and the supporting block 11.

Specifically, one side of the side lock 7 is provided with a fixing through hole 17, and a fixing screw 18 is arranged inside the fixing through hole 17.

In this embodiment: the side lock 7 can be removed and replaced by a fixing screw 18.

The utility model discloses a theory of operation and use flow: when the plastic mold positioning device is used, when an upper mold 1 and a lower mold 2 are pressed, a central hydraulic buffer column 9, a supporting hydraulic buffer column 12 and a buffer spring 14 at the bottom end of the lower mold 2 act together to play a good buffer role, so that certain buffer is provided when the mold is pressed, a supporting block 11 is attached to the lower surface of the lower mold 2 after complete pressing, and slow mold closing is performed during mold pressing through the central hydraulic buffer column 9, the supporting hydraulic buffer column 12 and the buffer spring 14, so that the stress inside the mold is more uniform and stable, the quality of a produced plastic product is more stable, when the mold is closed during mold production by using the mold, a guide column 6 plays a guide role in the whole process of mold closing, so that the upper mold 1 and the lower mold 2 are closed with approximate precision, at the rear end of the mold closing process, a conical positioning column 8 and a side lock 7 act together, so that the upper mold 1 and the lower mold 2 are closed accurately, the conical positioning column 8 and the side lock 7 are used for positioning and guiding together during die assembly, so that the positioning is more accurate.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a plastic mold positioner, includes mould (1) and lower mould (2), its characterized in that: the bottom end of the upper die (1) is fixedly connected with an upper die base (3), the upper surface of the upper die (1) is provided with an upper die cavity (4), the middle part of the upper surface of the lower die (2) is provided with a lower die cavity (5), four corners of the upper surface of the lower die (2) are fixedly connected with guide columns (6), side edges of the upper surface of the lower die (2) are fixedly connected with side locks (7), the outer ring of the upper surface of the lower die (2) close to the lower die cavity (5) is fixedly connected with a conical positioning column (8), the middle part of the lower surface of the lower die (2) is fixedly connected with a central hydraulic buffering column (9), the bottom end of the central hydraulic buffering column (9) is fixedly connected with a lower die base (10), two sides of the upper surface of the lower die base (10) are fixedly connected with supporting blocks (11), the outer side of the upper surface of the lower die base (10) close to the central hydraulic buffering column (9) is fixedly connected with a supporting hydraulic buffering column (12), the upper surface of lower mould (2) is close to the side fixedly connected with backup pad (13) that supports hydraulic cushion post (12), the last fixed surface of backup pad (13) is connected with buffer spring (14).

2. A plastic mold positioning device as defined in claim 1, wherein: the number of the conical positioning columns (8) is four, and the four conical positioning columns (8) are arranged in a rectangular shape.

3. A plastic mold positioning device as defined in claim 1, wherein: the top ends of the supporting hydraulic buffer columns (12) and the buffer springs (14) are fixedly connected with the bottom end of the lower die (2).

4. A plastic mold positioning device as defined in claim 1, wherein: the upper die (1) and the lower die (2) are both made of copper alloy materials.

5. A plastic mold positioning device as defined in claim 1, wherein: a placing groove (15) is formed in the upper surface of the supporting block (11), and a buffering pad (16) is fixedly connected to the inside of the placing groove (15).

6. A plastic mold positioning device as defined in claim 1, wherein: one side of the side lock (7) is provided with a fixing through hole (17), and a fixing screw (18) is arranged in the fixing through hole (17).