CN211137957U

CN211137957U - Injection mold with guide rail positioning function

Info

Publication number: CN211137957U
Application number: CN201921870020.9U
Authority: CN
Inventors: 廉杰
Original assignee: Noyi Environmental Equipment Manufacturing Beijing Co ltd
Current assignee: Noyi Environmental Equipment Manufacturing Beijing Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-31
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses an injection mold with guide rail locate function, including die holder, electric putter and cope match-plate pattern, the die cavity has been seted up to the up end of die holder, and is provided with the liftout plate in the die cavity, the bottom of liftout plate is fixed with the knockout rod, and the outside of knockout rod is provided with the lug, the knockout rod is located the liftout inslot, shaft connection has the fluted roller in the die holder, and the top edge of die holder is fixed with the reference column, the top welding of reference column has the roof, and the bottom of roof installs electric putter, electric putter's output is connected with the cope match-plate pattern, the outside reservation of reference column has the activity groove, the bottom edge of cope match-plate pattern is fixed with the fly leaf, and the inboard of fly leaf is provided with the fixture block. This injection mold with guide rail locate function carries out accurate location to the operation of cope match-plate pattern, avoids the slope, and the operation of cooperation cope match-plate pattern realizes ejecting of mould simultaneously.

Description

Injection mold with guide rail positioning function

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold with guide rail locate function.

Background

The injection mold is a tool for producing plastic products, plastic melted by heating is injected into a shaping mold cavity, and a finished product is obtained after cooling and solidification, so that the injection mold is a processing method used for batch production of parts with complex shapes, however, the existing injection mold has the following problems:

injection mold involves mould and lower mould, when using, realizes the injection moulding of mould and takes out through the mode that adopts the mould activity, and current injection mold lacks guide rail locate function at last mould activity in-process, leads to the mould skew easily, influences the mould shaping precision, and inconvenient realization die sinking and ejecting synchronous operation need be used other power to realize that the mould is ejecting simultaneously, influences efficiency.

Aiming at the problems, innovative design is urgently needed on the basis of the original injection mold.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold with guide rail locate function to solve above-mentioned background and propose current injection mold, lack guide rail locate function, inconvenient realization die sinking and ejecting synchronous operation influence machining efficiency's problem simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold with a guide rail positioning function comprises a lower mold base, an electric push rod and an upper mold plate, wherein the upper end surface of the lower mold base is provided with a mold cavity, and the mold cavity is internally provided with an ejector plate, the bottom of the ejector plate is fixed with an ejector rod, the outer side of the ejector rod is provided with a convex block, the ejector rod is positioned in the ejector groove, the ejection slot is arranged at the bottom of the die cavity, the inner shaft of the lower die holder is connected with a gear roller, the edge of the top of the lower die holder is fixed with a positioning column, the top of the positioning column is welded with a top plate, and the bottom of the top plate is provided with an electric push rod, the output end of the electric push rod is connected with an upper template, the upper template is provided with a positioning groove, and a positioning column is connected in the positioning groove, a movable groove is reserved on the outer side of the positioning column, a movable ball is arranged in the movable groove, a movable plate is fixed at the bottom edge of the upper template, and a clamping block is arranged on the inner side of the movable plate.

Preferably, the fluted rollers are symmetrically arranged in 2 groups about the central axis of the lower die holder, and the number of the fluted rollers in each group is 3.

Preferably, the positioning columns are symmetrically provided with 4 positioning columns about the central axis of the top plate, and the distribution number of the positioning columns is equal to that of the positioning grooves.

Preferably, the movable ball is rotatably connected with the movable groove, and the movable grooves are distributed on the positioning columns at equal intervals.

Preferably, the clamping blocks and the convex blocks are respectively distributed on the movable plate and the ejector rod at equal intervals, and the clamping blocks and the convex blocks are meshed with the toothed rollers.

Compared with the prior art, the beneficial effects of the utility model are that: the injection mold with the guide rail positioning function;

1. the movable balls are rotatably connected with the movable grooves which are distributed at equal intervals, and the distribution number of the four positioning columns is equal to that of the positioning grooves, so that when the electric push rod drives the upper template to move, the positioning grooves on the upper template slide on the four positioning columns, and the movable balls are driven to rotate in the movable grooves, so that the friction force of the upper template is reduced, and the upper template is positioned;

2. the fixture blocks and the lugs are respectively distributed on the movable plate and the ejector rod at equal intervals, and the fixture blocks and the lugs are all meshed with the toothed rollers, so that the movable plate can follow the upper template to move synchronously under the conduction action of the toothed rollers, and the mold is ejected out through the ejector rod and the ejector plate.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

fig. 2 is a schematic view of the top cross-sectional structure of the upper plate of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the lower die holder in plan view.

In the figure: 1. a lower die holder; 2. a mold cavity; 3. ejecting the plate; 4. ejecting the rod; 5. ejecting the groove; 6. a bump; 7. a toothed roller; 8. a positioning column; 9. a top plate; 10. an electric push rod; 11. mounting a template; 12. positioning a groove; 13. a movable groove; 14. a movable ball; 15. a movable plate; 16. and (7) clamping blocks.

Detailed Description

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.

Referring to fig. 1-4, the present invention provides a technical solution: an injection mold with a guide rail positioning function comprises a lower die holder 1, a die cavity 2, an ejector plate 3, an ejector rod 4, an ejector groove 5, a convex block 6, a toothed roller 7, a positioning column 8, a top plate 9, an electric push rod 10, an upper die plate 11, a positioning groove 12, a movable groove 13, a movable ball 14, a movable plate 15 and a clamping block 16, wherein the die cavity 2 is arranged on the upper end surface of the lower die holder 1, the ejector plate 3 is arranged in the die cavity 2, the ejector rod 4 is fixed at the bottom of the ejector plate 3, the convex block 6 is arranged on the outer side of the ejector rod 4, the ejector rod 4 is positioned in the ejector groove 5, the ejector groove 5 is arranged at the bottom of the die cavity 2, the toothed roller 7 is axially connected in the lower die holder 1, the positioning column 8 is fixed at the edge of the top of the lower die holder 1, the top plate 9 is welded at the top of the positioning column 8, the electric push rod 10 is installed, a positioning groove 12 is formed in the upper template 11, a positioning column 8 is connected in the positioning groove 12, a movable groove 13 is reserved on the outer side of the positioning column 8, a movable ball 14 is installed in the movable groove 13, a movable plate 15 is fixed at the bottom edge of the upper template 11, and a clamping block 16 is arranged on the inner side of the movable plate 15;

2 groups of toothed rollers 7 are symmetrically arranged about the central axis of the lower die holder 1, the number of each group of toothed rollers 7 is 3, the fixture blocks 16 and the lugs 6 are respectively distributed on the movable plate 15 and the ejector rod 4 at equal intervals, the fixture blocks 16 and the lugs 6 are mutually meshed with the toothed rollers 7, when the movable plate 15 moves up and down along with the upper die plate 11, the fixture blocks 16 are in meshed contact with the toothed rollers 7, the toothed rollers 7 are in meshed transmission with each other through belts, and the inner toothed rollers 7 are in meshed contact with the lugs 6 to drive the ejector rods 4 to synchronously move, so that the synchronous realization of die opening and ejection is realized, and the working efficiency is improved;

4 positioning columns 8 are symmetrically arranged about the central axis of the top plate 9, the distribution number of the positioning columns 8 is equal to that of the positioning grooves 12, the positions of the upper template 11 are positioned by sliding the 4 positioning grooves 12 on the positioning columns 8, and the upper template 11 and the lower die holder 1 are kept in accurate butt joint;

the movable ball 14 is rotatably connected with the movable groove 13, the movable grooves 13 are equidistantly distributed on the positioning column 8, and when the positioning groove 12 slides on the positioning column 8, the positioning groove 12 contacts with the movable ball 14 to drive the movable ball 14 to slide in the movable groove 13, so that the friction force between the positioning groove 12 and the positioning column 8 is reduced.

The working principle is as follows: when the injection mold with the guide rail positioning function is used, as shown in fig. 1-3, firstly, an electric push rod 10 on a top plate 9 is started, an upper mold plate 11 is driven to move downwards through the electric push rod 10, a positioning groove 12 on the upper mold plate 11 slides on a positioning column 8 in the moving process, the inner wall of the positioning groove 12 is in contact with a movable ball 14, the movable ball 14 is driven to rotate in a movable groove 13, the friction force applied to the positioning groove 12 is reduced, the upper mold plate 11 is guided and positioned through the positioning column 8, and then injection liquid is injected into a mold cavity 2 through an injection hole on the upper mold plate 11 to manufacture the mold;

then, as shown in fig. 1, after the injection molding is completed, the electric push rod 10 drives the upper mold plate 11 to move upwards, the movable plate 15 at the bottom of the upper mold plate 11 moves upwards, the block 16 at the inner side of the movable plate 15 is in meshed contact with the outermost toothed roller 7 to drive the outermost toothed roller 7 to rotate, the outer toothed roller 7 and the middle toothed roller 7 in fig. 4 are in belt transmission, at the same time, the middle toothed roller 7 and the inner toothed roller 7 are meshed with each other, so that the inner toothed roller 7 is meshed and contacted with the lug 6 on the outer side of the ejection rod 4 in figure 3, under the conduction of the 3 toothed rollers 7, the ejector rod 4 and the movable plate 15 are synchronously moved, so that during the lifting of the upper die plate 11, the ejector rod 4 in fig. 1 moves upwards in the ejector slot 5, and the ejector rod 4 drives the ejector plate 3 to ascend in the die cavity 2 to eject out the die, so that the die opening and the ejection are synchronously realized, and the working efficiency is improved.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an injection mold with guide rail locate function, includes die holder (1), electric putter (10) and cope match-plate pattern (11), its characterized in that: the die cavity (2) is formed in the upper end face of the lower die holder (1), the ejection plate (3) is arranged in the die cavity (2), the ejection rod (4) is fixed to the bottom of the ejection plate (3), the convex block (6) is arranged on the outer side of the ejection rod (4), the ejection rod (4) is located in the ejection groove (5), the ejection groove (5) is formed in the bottom of the die cavity (2), the lower die holder (1) is connected with the gear roller (7) in an inner shaft mode, the edge of the top of the lower die holder (1) is fixed with the positioning column (8), the top of the positioning column (8) is welded with the top plate (9), the bottom of the top plate (9) is provided with the electric push rod (10), the output end of the electric push rod (10) is connected with the upper die plate (11), the positioning groove (12) is formed in the upper die plate (11), and the positioning column (8, the outer side of the positioning column (8) is reserved with a movable groove (13), a movable ball (14) is installed in the movable groove (13), a movable plate (15) is fixed at the bottom edge of the upper template (11), and a clamping block (16) is arranged on the inner side of the movable plate (15).

2. The injection mold with the guide rail positioning function according to claim 1, wherein: the gear rollers (7) are symmetrically provided with 2 groups about the central axis of the lower die holder (1), and the number of each group of gear rollers (7) is 3.

3. The injection mold with the guide rail positioning function according to claim 1, wherein: the positioning columns (8) are symmetrically provided with 4 positioning columns about the central axis of the top plate (9), and the distribution number of the positioning columns (8) is equal to that of the positioning grooves (12).

4. The injection mold with the guide rail positioning function according to claim 1, wherein: the movable ball (14) is rotatably connected with the movable groove (13), and the movable grooves (13) are distributed on the positioning column (8) at equal intervals.

5. The injection mold with the guide rail positioning function according to claim 1, wherein: the clamping blocks (16) and the convex blocks (6) are respectively distributed on the movable plate (15) and the ejector rod (4) at equal intervals, and the clamping blocks (16) and the convex blocks (6) are meshed with the toothed roller (7) mutually.