CN213260901U

CN213260901U - An injection mold for easy demolding

Info

Publication number: CN213260901U
Application number: CN202021716516.3U
Authority: CN
Inventors: 刘明
Original assignee: Liaoyang Baile Health Product Co ltd
Current assignee: Liaoyang Baile Health Product Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-05-25
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses an injection mold for easy demoulding, comprising a lower mold assembly for forming an injection molded part by co-acting with an upper mold, the lower mold assembly comprises a bottom plate and a vertical plate, and the upper end of the bottom plate is symmetrical Two of the vertical plates are installed, and a backing plate is installed on the upper end of the two vertical plates. The backing plate, the vertical plate and the bottom plate are fastened and connected by bolts, and a lower end is installed on the upper end of the backing plate. The formwork, the guide rod passes through the backing plate, the lower formwork, and the upright plate and is connected to the bottom plate by screwing, and also includes a top material assembly connected to the lower die assembly for easy demoulding. The utility model uses the power mechanism to drive the ejector pin to move through the transmission through the setting of the ejector assembly, and when it passes through the lower template, the injection molded part is ejected from the mold cavity, and the demoulding work of the injection molded part is completed, and the structure is simple and the operation is convenient. And the drive mechanism is arranged on the outside, which is convenient for maintenance and replacement.

Description

Injection mold convenient to drawing of patterns

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold convenient to drawing of patterns.

Background

At present, the plastic products on the market are mostly produced by injection molding process, injection molding process needs to use injection mold to process, injection mold is inside to be provided with a die cavity unanimous with the product shape, in injection molding process, injection mold installs on the injection molding machine, the injection molding machine injects injection mold's die cavity with the plastics of molten state, plastics are at the internal cooling shaping of die cavity, then injection mold's cover half and movable mould part, inside a plurality of isotructures of loosing core are taken out, let the product can accomplish the drawing of patterns.

But the power component setting of current injection mold's demoulding structure is not convenient for maintain it and change in inside, is not convenient for adjust the stroke of thimble, operates inconveniently, and the practicality is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an injection mold convenient to drawing of patterns in order to solve above-mentioned problem just.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides an injection mold convenient to drawing of patterns, is including being used for making the fashioned lower module of injection molding with last mould combined action, lower module includes bottom plate, riser, 2 are installed to the upper end symmetry of bottom plate the riser, 2 the backing plate is installed to the upper end of riser, the backing plate the riser with the bottom plate passes through bolt-up connection, the lower bolster is installed to the upper end of backing plate, and the guide arm passes the backing plate the lower bolster the riser just through threaded connection in the bottom plate, still including connect in lower module is used for making things convenient for the liftout subassembly of drawing of patterns.

Preferably: the ejection component comprises a movable plate and guide pillars, wherein 4 guide pillars are symmetrically installed at the upper end of the movable plate, the guide pillars are in threaded connection with the movable plate, springs are installed between the movable plate and the base plate on the outer sides of the guide pillars, connecting plates are installed on two sides of the movable plate, the connecting plates are in screwed connection with the movable plate, telescopic rods are installed above the connecting plates, 4 ejector pins are symmetrically installed on the inner sides of the guide pillars on the movable plate, the ejector pins are in threaded connection with the movable plate and penetrate through the base plate and the lower template.

Preferably: the ejection component comprises a movable plate and guide pillars, wherein 4 guide pillars are symmetrically installed at the upper end of the movable plate, the guide pillars are in threaded connection with the movable plate, springs are installed between the movable plate and the base plate on the outer sides of the guide pillars, bearing seats are installed on two sides of the base plate, the bearing seats are in screwed connection with the base plate, screw rods are installed in the bearing seats, the screw rods are connected with the bearing seats through bearings, threaded seats are installed above the bearing seats on the screw rods, the threaded seats are in threaded connection with the screw rods, micro motors are connected to the upper ends of the screw rods, 4 ejector pins are symmetrically installed on the inner sides of the guide pillars on the movable plate, and the ejector pins are in threaded connection with the movable plate and penetrate through the base plate and the lower template.

Preferably: the lower template is connected with the backing plate through screws.

Preferably: the telescopic rod is connected to the base plate through a screw.

Preferably: the micro motor is connected with the screw rod through a coupler, and the micro motor is connected with the base plate through a screw.

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

utilize power unit to drive the thimble through the transmission through the setting of liftout subassembly and remove, when it passed the lower bolster, ejecting from the die cavity with the injection molding, accomplish the drawing of patterns work of injection molding, simple structure, convenient operation, and actuating mechanism sets up in the outside, conveniently maintains the change.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of a first structure of a first embodiment of an injection mold for facilitating demolding according to the present invention;

FIG. 2 is a second schematic structural view of a first embodiment of an injection mold facilitating demolding according to the present invention;

FIG. 3 is a schematic view of a second embodiment of an injection mold for facilitating demolding according to the present invention;

fig. 4 is a second schematic structural view of an embodiment two of an injection mold convenient for demolding.

The reference numerals are explained below:

1. a lower die assembly; 11. a base plate; 12. a vertical plate; 13. a base plate; 14. a lower template; 15. a guide bar; 2. A material ejecting component; 21. a movable plate; 22. a guide post; 23. a spring; 24. a connecting plate; 25. a telescopic rod; 26. A thimble; 27. a micro motor; 28. a screw; 29. a threaded seat; 210. and a bearing seat.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1-2, an injection mold convenient to drawing of patterns, including being used for making the fashioned lower module 1 of injection molding with last mould combined action, lower module 1 includes bottom plate 11,

riser

12, 2 riser 12 are installed to the upper end symmetry of bottom plate 11, backing plate 13 is installed to the upper end of 2 riser 12, backing plate 13, riser 12 passes through bolt-up with bottom plate 11 and is connected, lower bolster 14 is installed to the upper end of backing plate 13, guide arm 15 passes backing plate 13, lower bolster 14, riser 12 and through threaded connection in bottom plate 11, still including connecting in lower module 1 the liftout subassembly 2 that is used for making things convenient for the drawing of patterns.

Preferably: the liftout assembly 2 comprises a movable plate 21 and guide pillars 22, wherein 4 guide pillars 22 are symmetrically mounted at the upper end of the movable plate 21, the guide pillars 22 are connected with the movable plate 21 through threads, a spring 23 is mounted between the movable plate 21 and the backing plate 13 on the outer side of each guide pillar 22, connecting plates 24 are mounted on two sides of the movable plate 21, the connecting plates 24 are connected with the movable plate 21 through screws, telescopic rods 25 are mounted above the connecting plates 24, 4 ejector pins 26 are symmetrically mounted on the inner side of each guide pillar 22 on the movable plate 21, and the ejector pins 26 are connected with the movable plate 21 through threads and penetrate through the backing plate 13 and; the lower template 14 is connected with the backing plate 13 through screws; the telescopic rod 25 is connected to the pad 13 by means of screws.

Example 2

As shown in fig. 3-4, an injection mold convenient to drawing of patterns, including being used for making the fashioned lower module 1 of injection molding with last mould combined action, lower module 1 includes bottom plate 11,

riser

Preferably: the ejector assembly 2 comprises a movable plate 21 and guide columns 22, wherein 4 guide columns 22 are symmetrically installed at the upper end of the movable plate 21, the guide columns 22 are connected with the movable plate 21 through threads, springs 23 are installed between the movable plate 21 and a backing plate 13 on the outer side of the guide columns 22, bearing seats 210 are installed on two sides of a base plate 11, the bearing seats 210 are connected with the base plate 11 through screws, screw rods 28 are installed in the bearing seats 210, the screw rods 28 are connected with the bearing seats 210 through bearings, threaded seats 29 are installed on the screw rods 28 above the bearing seats 210, the threaded seats 29 are connected with the screw rods 28 through threads, a micro motor 27 is connected to the upper ends of the screw rods 28, 4 ejector pins 26 are symmetrically installed on the inner side of the guide columns 22 on the movable plate 21, and the ejector pins; the lower template 14 is connected with the backing plate 13 through screws; the micro motor 27 is connected with the screw 28 through a coupler, and the micro motor 27 is connected with the backing plate 13 through a screw.

The utility model discloses a theory of operation and application method: when the injection molding machine is used, firstly, the lower die assembly 1 and an external upper die assembly are matched, injection molding liquid is injected into a cavity through the upper die assembly, after the liquid is molded, the lower die assembly 1 and the upper die assembly are separated, after the liquid is separated by a certain distance, the telescopic rod 25 is started, the telescopic rod 25 is contracted to drive the movable plate 21 to move, or the micro motor 27 is started, the micro motor 27 is operated to rotate the screw 28, the screw 28 rotates to drive the threaded seat 29 to move, the movable plate 21 moves to compress the spring 23, the ejector pin 26 and the guide pillar 22 move to penetrate out of the lower die plate 14, and a molded injection molding piece is ejected from a die cavity to complete the demolding work.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. An injection mold for easy demolding, characterized in that it comprises a lower mold assembly (1) for forming an injection molded part by co-acting with an upper mold, the lower mold assembly (1) comprising a bottom plate (11) , a vertical plate (12), two vertical plates (12) are symmetrically installed on the upper end of the bottom plate (11), and a backing plate (13) is installed on the upper end of the two vertical plates (12). The plate (13), the vertical plate (12) and the bottom plate (11) are fastened and connected by bolts, a lower template (14) is installed on the upper end of the backing plate (13), and the guide rod (15) passes through the bottom plate (13). The backing plate (13), the lower mold plate (14), the vertical plate (12) are connected to the bottom plate (11) by screwing, and also connected to the lower mold assembly (1) for convenience Demoulded ejector assembly (2).

2. An injection mold for easy demolding according to claim 1, characterized in that: the ejector assembly (2) comprises a movable plate (21), a guide post (22), and the movable plate (21) Four said guide posts (22) are symmetrically installed on the upper end of the guide post (22). ) and the backing plate (13), a spring (23) is installed, and connecting plates (24) are installed on both sides of the movable plate (21), and the connecting plate (24) is connected to the movable plate (21). ) is connected by screws, a telescopic rod (25) is installed above the connecting plate (24), and four thimbles (26) are symmetrically installed on the inner side of the guide post (22) on the movable plate (21), The thimble (26) is connected with the movable plate (21) through threads, and passes through the backing plate (13) and the lower template (14).

3. An injection mold for easy demolding according to claim 1, characterized in that: the ejector assembly (2) comprises a movable plate (21), a guide post (22), and the movable plate (21) Four said guide posts (22) are symmetrically installed on the upper end of the guide post (22). A spring (23) is installed between ) and the backing plate (13), bearing seats (210) are installed on both sides of the bottom plate (11), and the bearing seat (210) and the bottom plate (11) pass through screw connection, a screw rod (28) is installed in the bearing seat (210), the screw rod (28) is connected with the bearing seat (210) through a bearing, and the bearing seat (210) is mounted on the screw rod (28). ) is installed with a threaded seat (29), the threaded seat (29) is connected with the screw (28) through a screw thread, the upper end of the screw (28) is connected with a micro motor (27), and the movable plate ( 21) on the inner side of the guide post (22) are symmetrically installed with four thimbles (26), the thimbles (26) are connected with the movable plate (21) through threads, and pass through the backing plate (13) ), the lower template (14).

4 . The injection mold for easy demolding according to claim 1 , wherein the lower template ( 14 ) and the backing plate ( 13 ) are connected by screws. 5 .

5 . The injection mold for easy demolding according to claim 2 , wherein the telescopic rod ( 25 ) is connected to the backing plate ( 13 ) through screws. 6 .

6 . The injection mold for easy demolding according to claim 3 , wherein the micro motor ( 27 ) is connected with the screw ( 28 ) through a coupling, and the micro motor ( 27 ) is connected by a coupling 6 . The screw is connected to the backing plate (13).