CN210705838U

CN210705838U - High-precision injection mold

Info

Publication number: CN210705838U
Application number: CN201921265215.0U
Authority: CN
Inventors: 张珊
Original assignee: Kunshan Shishuo Precision Mould Co Ltd
Current assignee: Kunshan Shishuo Precision Mould Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-09
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a high accuracy injection mold, including mould body and mould top cap, mould body upside is provided with the mould top cap, mould body bottom is provided with the chassis, and mould body top has seted up the cooling storehouse, be provided with the baffle in the cooling storehouse, and the left and right sides of baffle all runs through cooling storehouse inner wall and spout and is connected with the spring top, the spring all sets up at the spacing inslot, and the spacing groove sets up the left and right sides at mould body top respectively, the spring sets up in the gag lever post outside, and runs through mould body bottom and chassis top bottom the gag lever post bottom, be provided with the plastic groove in the cooling storehouse, and the moulding groove left and right sides all is provided with the locating part, the locating part all is connected with the spout. The utility model discloses, make when the feeding raw materials can pour into the plastic-molded inslot more evenly through setting up feeding storehouse and 3 feed inlets, and through setting up spring and plastic-molded groove, be convenient for carry out the drawing of patterns after moulding is accomplished.

Description

High-precision injection mold

Technical Field

The utility model relates to a relevant technical field of mould specifically is a high accuracy injection mold.

Background

The mold refers to various molds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods in industrial production, and the injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

And the injection mold that uses at present simple structure, only moulding storehouse and top cap usually have a feed inlet when annotating the material, moulding storehouse need be filled by oneself to the raw materials, and the long and easy uneven condition of material of producing of notes of feed time appears.

Therefore, a high-precision injection mold is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy injection mold makes the raw materials can pour into the plastic groove into more evenly when the feeding through setting up feeding storehouse and 3 feed inlets, and through setting up spring and plastic groove, is convenient for carry out the drawing of patterns after moulding is accomplished to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision injection mold comprises a mold body and a mold top cover, wherein the mold top cover is arranged on the upper side of the mold body;

the bottom of the die body is provided with an underframe, the top of the die body is provided with a cooling bin, a partition plate is arranged in the cooling bin, the left side and the right side of the partition plate penetrate through the inner wall of the cooling bin and a sliding groove to be connected with the top of a spring, the spring is arranged in a limiting groove, the limiting groove is respectively arranged on the left side and the right side of the top of the die body, the spring is arranged on the outer side of a limiting rod, the bottom of the limiting rod penetrates through the bottom of the die body and the top of the underframe, a plastic groove is arranged in the cooling bin, limiting parts are arranged on the left side and the right side of the plastic groove, the limiting parts are connected with;

the top of mould top cap is provided with flexible connecting rod, and is provided with the inlet pipe on the left of the mould top cap, the inlet pipe runs through mould top cap left side and is connected with the feeding storehouse, and the feeding storehouse sets up inside the mould top cap, feeding storehouse bottom is provided with the discharge gate, and the discharge gate runs through mould top cap bottom, the discharge gate right side is provided with the exhaust hole, and the exhaust hole is seted up in mould top cap bottom, and the exhaust hole runs through mould top cap right side simultaneously, mould top cap bottom is provided with the push rod.

Through setting up cooling bin, baffle, spring and gag lever post, be convenient for promote the baffle rebound through the elasticity of spring to promote the plastic groove rebound in cooling bin, be convenient for carry out the drawing of patterns after moulding is accomplished, and through feeding storehouse and three discharge gate in the mould top cap, the raw materials temporary storage of being convenient for is in the feeding storehouse, and enters into moulding inslot more evenly through three discharge gate, improves the filling speed and the filling quality of raw materials.

Preferably, the partition plate is connected with the cooling bin in a sliding manner, and the partition plate and the spring form a telescopic structure.

The baffle is driven to slide up and down in the cooling bin through the telescopic structure, and the stability of the baffle when sliding up and down is improved.

Preferably, the springs, the limiting grooves and the limiting rods are symmetrically arranged 4 in number, the limiting rods are connected with the limiting grooves and the underframe in a sliding mode, and the sliding distance of the limiting rods is smaller than the height of the underframe.

The stability of spring when stretching out and drawing back is improved through the gag lever post, and the chassis effectively avoids the bottom of gag lever post and ground to bump, has improved the safety in utilization.

Preferably, the plastic groove is connected with the cooling bin in a sliding manner, the left side and the right side of the plastic groove are symmetrically provided with 2 limiting parts respectively, and the limiting parts are connected with the sliding grooves in a sliding manner.

The stability and the smoothness of the up-and-down movement of the plastic groove in the cooling bin are improved through the limiting part and the sliding groove, and the use safety is further improved.

Preferably, the lifting structure is formed by the die top cover and the telescopic connecting rod, and the area of the bottom of the die top cover is equal to the area of the top of the die body.

The lifting structure drives the die top cover to move in the vertical direction, so that the die top cover is driven to be away from the die body when the die is supported, and the use convenience is improved.

Preferably, the discharge gate and exhaust hole all are 3 that the equidistance distributes, and the length in discharge gate is less than the length in feeding storehouse, and the length in feeding storehouse is less than the length in plastic groove simultaneously.

Be convenient for annotate when expecting through 3 discharge gates, ensure that the raw materials can enter into moulding inslot more evenly, improve the filling speed and the filling quality of raw materials, improved the practicality.

Preferably, the push rods are symmetrically provided with 4 push rods, and the central axis of the push rods and the central axis of the spring are on the same vertical straight line.

Promote the baffle through the push rod and move down to compression spring, be convenient for when carrying out the ejection of compact, the spring promotes the baffle rebound through the bounce of self, has further improved the practicality.

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

1. the utility model, through the arrangement of the cooling bin, the partition plate, the spring and the limiting rod, the partition plate is conveniently pushed to move upwards through the elasticity of the spring, so that the plastic groove is pushed to move upwards in the cooling bin, and the demoulding is conveniently carried out after the shaping is completed;

2. the utility model discloses, through feeding storehouse and three discharge gate in the mould top cap, be convenient for the raw materials to store temporarily in the feeding storehouse to enter into the moulding groove more evenly through three discharge gate, improve the filling speed and the filling quality of raw materials;

3. the utility model discloses, drive the mould top cap through elevation structure and move on the vertical direction to drive the mould top cap and keep away from the mould body when carrying out the die-holding, simplified the operating procedure, improved and used the convenience.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic bottom view of the mold top of the present invention;

FIG. 3 is a schematic top view of the cooling chamber of the present invention;

FIG. 4 is a schematic top view of the plastic groove of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a chassis; 2. a mold body; 3. a cooling bin; 4. a partition plate; 5. a spring; 6. a limiting groove; 7. a limiting rod; 8. a plastic-shaped groove; 9. a limiting member; 10. a chute; 11. a mold top cover; 12. a telescopic connecting rod; 13. a feed pipe; 14. a feeding bin; 15. a discharge port; 16. an exhaust hole; 17. a push rod.

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. 1-5, the present invention provides a technical solution: a high-precision injection mold is shown in figure 1 and comprises a mold body 2 and a mold top cover 11, wherein the mold top cover 11 is arranged on the upper side of the mold body 2;

the bottom of the die body 2 is provided with an underframe 1, the top of the die body 2 is provided with a cooling bin 3, a partition plate 4 is arranged in the cooling bin 3, the left side and the right side of the partition plate 4 penetrate through the inner wall of the cooling bin 3 and the top of a sliding groove 10 to be connected with the top of a spring 5, the spring 5 is arranged in a limiting groove 6, the limiting groove 6 is respectively arranged at the left side and the right side of the top of the die body 2, the spring 5 is arranged at the outer side of a limiting rod 7, the bottom of the limiting rod 7 penetrates through the bottom of the die body 2 and the top of the underframe 1, a plastic groove 8 is arranged in the cooling bin 3, limiting parts 9 are arranged at the left side and the right side of the plastic groove 8;

the top of mould top cap 11 is provided with telescopic link 12, and mould top cap 11 left side is provided with inlet pipe 13, inlet pipe 13 runs through mould top cap 11 left side and is connected with feeding storehouse 14, and feeding storehouse 14 sets up inside mould top cap 11, feeding storehouse 14 bottom is provided with discharge gate 15, and discharge gate 15 runs through mould top cap 11 bottom, discharge gate 15 right side is provided with exhaust hole 16, and exhaust hole 16 sets up in mould top cap 11 bottom, exhaust hole 16 runs through mould top cap 11 right side simultaneously, mould top cap 11 bottom is provided with push rod 17.

Through adopting above-mentioned scheme, through setting up cooling bin 3, baffle 4, spring 5 and gag lever post 7, be convenient for promote baffle 4 rebound through the elasticity of spring 5, thereby promote plastic groove 8 rebound in cooling bin 3, be convenient for carry out the drawing of patterns after moulding is accomplished, and through feeding storehouse 14 and three discharge gate 15 in the mould top cap 11, be convenient for the raw materials temporary storage in feeding storehouse 14, and enter into plastic groove 8 more evenly through three discharge gate 15 in, improve the filling speed and the filling quality of raw materials.

Specifically, as shown in fig. 1, the partition plate 4 and the cooling chamber 3 are connected in a sliding manner, and the partition plate 4 and the spring 5 form a telescopic structure.

Through adopting above-mentioned scheme, slide from top to bottom in cooling bin 3 through extending structure drive baffle 4, when using the device, improved the stability of baffle 4 when sliding from top to bottom.

Specifically, as shown in fig. 1, 2 and 3, 4 springs 5, limiting grooves 6 and limiting rods 7 are symmetrically arranged, the connecting modes of the limiting rods 7, the limiting grooves 6 and the underframe 1 are all in sliding connection, and the sliding distance of the limiting rods 7 is smaller than the height of the underframe 1.

Through adopting above-mentioned scheme, improve the stability of spring 5 when stretching out and drawing back through gag lever post 7, and chassis 1 effectively avoids the bottom of gag lever post 7 and ground to bump, when using the device, has improved the safety in utilization.

Specifically, as shown in fig. 1 and 4, the plastic groove 8 is connected to the cooling chamber 3 in a sliding manner, and the left and right sides of the plastic groove 8 are symmetrically provided with 2 limiting members 9, respectively, and the limiting members 9 are connected to the sliding groove 10 in a sliding manner.

Through adopting above-mentioned scheme, improve the stability and the smooth and easy nature of plastic groove 8 upper and lower movable formula in cooling bin 3 through locating part 9 and spout 10, when using the device, further improved the safety in utilization.

Specifically, as shown in fig. 1, the mold top cover 11 and the telescopic link 12 form a lifting structure, and the area of the bottom of the mold top cover 11 is equal to the area of the top of the mold body 2.

Through adopting above-mentioned scheme, drive mould top cap 11 through elevation structure and move on the vertical direction to drive mould top cap 11 and keep away from mould body 2 when carrying out the die-holding, when using the device, improved the use convenience.

Specifically, as shown in fig. 1 and 2, 3

discharge ports

15 and 3 exhaust holes 16 are distributed at equal intervals, the length of the discharge ports 15 is smaller than that of the feeding bin 14, and the length of the feeding bin 14 is smaller than that of the plastic groove 8.

Through adopting above-mentioned scheme, be convenient for when annotating the material through 3 discharge gates 15, ensure that the raw materials can enter into moulding groove 8 more evenly in, improve the filling speed and the filling quality of raw materials, when using the device, improved the practicality.

Specifically, as shown in fig. 1 and 2, 4 push rods 17 are symmetrically arranged, and the central axis of the push rods 17 and the central axis of the spring 5 are on the same vertical line.

Through adopting above-mentioned scheme, promote baffle 4 downstream through push rod 17 to compression spring 5, be convenient for when carrying out the ejection of compact, spring 5 promotes baffle 4 rebound through the bounce of self, when using the device, has further improved the practicality.

The working principle is as follows: the high-precision injection mold is characterized in that before use, a telescopic connecting rod 12 is firstly connected with an external hydraulic device, a feeding pipe 13 is connected with the external feeding device, then a shaping groove 8 with a specified internal structure is selected to be placed at the top of a cooling bin 3, the shaping grooves 8 on the left side and the right side of the shaping groove 8 slide to the inside of a sliding groove 10, then an external power supply is switched on, the external hydraulic device is started, a mold top cover 11 is driven to move downwards through the telescopic connecting rod 12, a push rod 17 is driven to enter a limiting groove 6, a partition plate 4 is pushed to move downwards, a spring 5 is compressed, a limiting rod 7 is pushed to move downwards at the same time, the shaping groove 8 moves towards the inside of the cooling bin 3 along with the partition plate 4, after the bottom of the mold top cover 11 is contacted with the top of a mold body 2, raw materials are injected into the feeding bin 14 through the feeding pipe 13, and, simultaneously the air in the plastic groove 8 then discharges through exhaust hole 16, after moulding, starts outside hydraulic means, drives mould top cap 11 rebound through telescopic link 12, and spring 5 drives baffle 4 and plastic groove 8 through kick-backing this moment and begins the rebound, afterwards to moulding groove 8 carry out the drawing of patterns can, accomplish this high accuracy injection mold's use just so.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy injection mold which characterized in that: the die comprises a die body (2) and a die top cover (11), wherein the die top cover (11) is arranged on the upper side of the die body (2);

the bottom of the die body (2) is provided with an underframe (1), the top of the die body (2) is provided with a cooling bin (3), a partition plate (4) is arranged in the cooling bin (3), the left side and the right side of the clapboard (4) are connected with the top of the spring (5) by penetrating through the inner wall of the cooling bin (3) and the sliding chute (10), the spring (5) is arranged in the limit groove (6), the limiting grooves (6) are respectively arranged at the left side and the right side of the top of the die body (2), the springs (5) are arranged at the outer side of the limiting rod (7), the bottom of the limiting rod (7) penetrates through the bottom of the die body (2) and the top of the bottom frame (1), a plastic groove (8) is arranged in the cooling bin (3), and the left and right sides of the plastic groove (8) are both provided with a limiting piece (9), the limiting pieces (9) are both connected with a sliding chute (10), the chutes (10) are arranged on the inner walls of the left side and the right side of the cooling bin (3);

the top of mould top cap (11) is provided with telescopic connecting rod (12), and is provided with inlet pipe (13) on mould top cap (11) left side, inlet pipe (13) run through mould top cap (11) left side and are connected with feeding storehouse (14), and feeding storehouse (14) set up inside mould top cap (11), feeding storehouse (14) bottom is provided with discharge gate (15), and discharge gate (15) run through mould top cap (11) bottom, discharge gate (15) right side is provided with exhaust hole (16), and exhaust hole (16) set up in mould top cap (11) bottom, and exhaust hole (16) run through mould top cap (11) right side simultaneously, mould top cap (11) bottom is provided with push rod (17).

2. A high precision injection mold according to claim 1, characterized in that: the partition plate (4) is connected with the cooling bin (3) in a sliding mode, and the partition plate (4) and the spring (5) form a telescopic structure.

3. A high precision injection mold according to claim 1, characterized in that: spring (5), spacing groove (6) and gag lever post (7) all are the symmetry and are provided with 4, and gag lever post (7) are sliding connection with the connected mode of spacing groove (6) and chassis (1), and the sliding distance of gag lever post (7) is less than the height of chassis (1) simultaneously.

4. A high precision injection mold according to claim 1, characterized in that: the plastic groove (8) and the cooling bin (3) are connected in a sliding manner, the left side and the right side of the plastic groove (8) are symmetrically provided with 2 limiting parts (9) respectively, and the limiting parts (9) and the sliding groove (10) are connected in a sliding manner.

5. A high precision injection mold according to claim 1, characterized in that: the mould top cover (11) and the telescopic connecting rod (12) form a lifting structure, and the area of the bottom of the mould top cover (11) is equal to the area of the top of the mould body (2).

6. A high precision injection mold according to claim 1, characterized in that: the discharge port (15) and the exhaust holes (16) are distributed with 3 in equal distance, the length of the discharge port (15) is smaller than that of the feeding bin (14), and the length of the feeding bin (14) is smaller than that of the plastic groove (8).

7. A high precision injection mold according to claim 1, characterized in that: push rod (17) are the symmetry and are provided with 4, and the axis of push rod (17) and the axis of spring (5) are on same vertical straight line.