CN214324020U - Precise mold structure - Google Patents

Abstract

The utility model provides an accurate mould structure, including first bed die base, the top both sides fixed mounting of first bed die base has the first guide bar of a plurality of root, and the outside cover of the flexible first guide bar of a plurality of is equipped with first reset spring, and the one end interlude of first guide bar is connected with second bed die base, and second bed die base top both sides fixed mounting has fixed slide, and two fixed slide both sides all have the slider through activity pin joint, and spout sliding connection has female die base in one side of slider. This scheme is when receiving the outside to press through the second upper die base that sets up, moves down in the direction of third guide bar, drives the first sub-mould seat that goes up on the mould base and extrudes with the female mould seat and moulds plastics, and during the mould shaping hole injection moulding through setting up, within the precision 0.1mm when guaranteeing mould cavity size can control the toy and mould plastics, promotes the smoothness behind the toy drawing of patterns.

Description

Precise mold structure

Technical Field

The utility model belongs to the technical field of accurate mould, concretely relates to accurate mould structure.

Background

The dimensional tolerance range of precision injection molding is very narrow, and actually, it is recognized in the plastic molding industry that when the dimensional tolerance of a plastic part is below 0.1mm, or the positive and negative tolerances of the size of the part are below 0.1mm, the precision molding can be called, and the dimensional tolerance of the part reaches micron level, which can be called ultra-precision injection molding. The highest precision grade of the plastic product is three-level precision, namely the dimensional tolerance can reach below 0.001mm

The precision mould of toy is accurate injection moulding relatively, the dimensional tolerance of traditional injection moulding finished piece is usually more than 0.1mm, injection moulding toy corner burr can appear, need the manual work to polish again, the dimensional tolerance scope of finished piece is relatively broad simultaneously, and along with the increase of finished piece volume or weight, the dimensional tolerance of finished piece also can increase, the whole surface of toy forms great contrast, to industrial processing production, often require the toy to take off from the mould after finalizing the design fast, in order to guarantee the efficiency of processing production, and traditional mould lacks good mould cavity size injection moulding structure, thereby reduce the smoothness of toy outward appearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate mould structure aims at solving traditional wisdom service platform personnel among the prior art and acquires the relatively poor and unable personnel's of carrying on identity recognition problem of security when unable information, the information use of acquireing fast.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an accurate mould structure, includes first bed die base, the top both sides fixed mounting of first bed die base has the first guide bar of a plurality of root, a plurality of the outside cover of first guide bar is equipped with first reset spring, the one end interlude of first guide bar is connected with second bed die base, second bed die base top both sides fixed mounting has fixed slide, two fixed slide both sides all are connected with the slider through activity pin joint, spout sliding connection has the bed die base, two through spout sliding connection in one side of slider the top of bed die base interlude and is connected with the second guide bar, the outside cover of second guide bar is equipped with second reset spring.

As an optimization, the first last mould seat of one end fixedly connected with of second guide bar, the middle part fixed mounting of first last mould seat bottom has sub-mould seat, the plastics groove of notes has been seted up at the top of first last mould seat, the both sides at first last mould seat top are connected with mould seat on the second through the third guide bar, the outside cover of third guide bar is equipped with third reset spring, the bottom fixed mounting of mould seat has the press bar on the second, the press head of moulding plastics according to the bottom fixed mounting of press bar.

Furthermore, one side of each of the two female die seats is provided with a semicircular arc-shaped forming groove, and the semicircular arc-shaped forming grooves are arranged opposite to the positions of the sub die seats.

Further, two the top interlude of female mould seat is connected with the slide bar, slide bar one end all with the first bottom fixed connection who goes up the mould seat.

Further, a mold forming hole is formed in the top of the sub mold base, and a fourth return spring is fixedly mounted at the bottom end of the female mold base.

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

1) when the second upper die base is pressed externally, the second upper die base moves downwards under the guidance of the third guide rod to drive the sub die base and the mother die base on the first upper die base to carry out extrusion injection molding, and meanwhile, when the second upper die base is subjected to injection molding through the arranged die forming holes, the size of a die cavity of the die is ensured to be within 0.01mm of the precision of the toy during injection molding, and the smoothness of the toy after demolding is improved;

2) the slider of being convenient for through the fixed slide that sets up slides in the inside of spout, and female mould seat is close to each other on the spout simultaneously and laminates for semi-circular arc shaping groove carries out the lock to the secondary mould seat, and the fashioned mould cavity size control of mould between secondary mould of being convenient for and the female mould is within 0.01mm of precision, promotes the quality after the toy drawing of patterns of moulding plastics.

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 invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of a second guide rod of the present invention;

fig. 3 is a schematic view of a sub-mold base structure of the present invention.

In the figure: 1. a first lower die holder; 11. a first guide bar; 111. a first return spring; 12. a second lower die base; 121. fixing the sliding seat; 122. a slider; 123. a chute; 13. a female mold base; 131. a second guide bar; 132. a second return spring; 14. a first upper die base; 141. injecting a plastic groove; 15. a sub-mold base; 151. forming holes of the mold; 16. a third guide bar; 161. a third return spring; 17. a second upper die base; 18. a pressing lever; 181. injection molding a pressing head; 2. a semicircular arc-shaped forming groove; 3. a slide bar; 4. and a fourth return spring.

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. 1-3, the present invention provides the following technical solutions: the utility model provides a precision mold structure, includes first bed die seat 1, the top both sides fixed mounting of first bed die seat 1 has the first guide bar 11 of a plurality of root, a plurality of the outside cover of first guide bar 11 is equipped with first reset spring 111, the one end interlude of first guide bar 11 is connected with second bed die seat 12, 12 top both sides fixed mounting of second bed die seat have fixed slide 121, two fixed slide 121 both sides all have slider 122 through activity pin joint, there is female mould seat 13 one side of slider 122 through spout 123 sliding connection, the top of two female mould seats 13 alternates and is connected with second guide bar 131, the outside cover of second guide bar 131 is equipped with second reset spring 132.

During the specific use, be convenient for support the second bed die seat 12 to the first guide bar 11 of cooperation through the first bed die seat 1 that sets up and press, and when pressing the toy shaping, be close to each other on spout 123 through female die seat 13 and laminate, make semi-circular arc shaping groove 2 carry out the lock to the bed die seat 15 and be convenient for the mould die cavity dimensional control between child mould 5 and the female die seat 13 within 0.01mm of precision, through mutually supporting of first guide bar 11 and second guide bar 131, promote the smoothness after the toy shaping drawing of patterns.

As the utility model discloses an optimal mode, the first mould seat 14 of going up of one end fixedly connected with of second guide bar 131, the middle part fixed mounting of the first 14 bottoms of mould seat has sub-mould seat 15, the first top of going up mould seat 14 has been seted up and has been annotated plastics groove 141, the first both sides of going up 14 tops of mould seat are connected with mould seat 17 on the second through third guide bar 16, the outside cover of third guide bar 16 is equipped with third reset spring 161, the bottom fixed mounting of mould seat 17 has press the depression bar 18 on the second, press the bottom fixed mounting of depression bar 18 to have the pressure head 181 of moulding plastics.

During the specific use, before carrying out the press forming, at first with the inside of moulding raw materials injection moulding material groove 141, receive outside through the second on the mould seat 17 when pressing, press the press head 181 of moulding plastics on the press rod 18 in the bottom of second on the mould seat 17 and press, extrude the inside of mould shaping hole 151 to mould shaping hole 151 with moulding raw materials fast to the mould shaping hole 151 top, carry out injection moulding.

As the utility model discloses an optimal mode, semi-circular arc shaping groove 2 has been seted up to one side of two female mould seats 13, and semi-circular arc shaping groove 2 sets up with submodule mould seat 15's position relatively, and female mould seat 13 is convenient for keep the in-process of pressing through slide bar 3 when advancing the mould man-hour, can not take place skew, increases the fashioned precision of mould type.

As the utility model discloses an optimal mode, the top of two female mould seats 13 alternates and is connected with slide bar 3, 3 one ends of slide bar all with the first bottom fixed connection who goes up mould seat 14, the slide bar 3 through setting up be convenient for female mould seat 13 and submodule seat 15 draw close injection moulding man-hour, prevent that female mould seat 13 from taking place to deflect to guarantee toy injection moulding's efficiency.

As the utility model discloses an optimal mode, mould shaping hole 151 has been seted up at the top of submodule utensil seat 15, and the bottom fixed mounting of female mould seat 13 has fourth reset spring 4, and during the mould shaping hole 151 injection moulding through setting up, within the precision 0.01mm when guaranteeing that mould cavity size can control the toy and mould plastics, promote the smoothness after the toy drawing of patterns.

The working principle is as follows: carrying out specific toy injection moulding, at first to annotating the inside injection toy raw materials of plastics groove 141, through mould seat 17 on the second when receiving outside to press, 16 cooperation third reset spring 161 at the third guide bar press first upper die seat 14, drive the press head 181 of moulding plastics on the press bar 18 of first upper die seat 14 bottom simultaneously, extrude with mould shaping hole 151 on the submodule utensil 15, the mutual extrusion of drawing close of the inside female mould seat 13 of spout 123 on the fixed slide 121 simultaneously, mutually support with submodule utensil seat 15, and semicircular arc shaping groove 2 carries out lock injection moulding to submodule utensil seat 15, guarantee that mould cavity size can control the toy and mould plastics within 0.01mm, promote the smoothness after the toy drawing of patterns, through mutually supporting of first reset spring 111 on the first guide bar 11, be convenient for reset when taking off the membrane.

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 (5)

1. A precision mould structure comprises a first lower mould base (1) and is characterized in that, a plurality of first guide rods (11) are fixedly arranged on two sides of the top of the first lower die base (1), a first return spring (111) is sleeved on the outer side of the plurality of first guide rods (11), one end of the first guide rod (11) is inserted and connected with a second lower die seat (12), fixed sliding seats (121) are fixedly arranged on two sides of the top of the second lower die seat (12), sliding blocks (122) are connected to two sides of each fixed sliding seat (121) through movable pins, one side of the sliding block (122) is connected with a female die base (13) in a sliding way through a sliding groove (123), the tops of the two female die bases (13) are connected with a second guide rod (131) in an inserting way, and a second return spring (132) is sleeved on the outer side of the second guide rod (131).

2. A precision mold structure according to claim 1, characterized in that: the one end fixedly connected with of second guide bar (131) first goes up mould seat (14), the middle part fixed mounting that first goes up mould seat (14) bottom has sub-mould seat (15), the top of first going up mould seat (14) has been seted up and has been annotated plastics groove (141), the both sides at first going up mould seat (14) top are connected with mould seat (17) on the second through third guide bar (16), the outside cover of third guide bar (16) is equipped with third reset spring (161), the bottom fixed mounting that mould seat (17) was gone up to the second has pressure bar (18), the bottom fixed mounting that presses pressure bar (18) has injection moulding press head (181).

3. A precision mold structure according to claim 1, characterized in that: and one side of each of the two female die seats (13) is provided with a semicircular arc-shaped forming groove (2), and the semicircular arc-shaped forming grooves (2) are arranged opposite to the positions of the sub die seats (15).

4. A precision mold structure according to claim 1, characterized in that: the top of two female mould seat (13) alternates and is connected with slide bar (3), slide bar (3) one end all with the bottom fixed connection of first last mould seat (14).

5. A precision mold structure according to claim 3, characterized in that: and a mould forming hole (151) is formed in the top of the sub-mould seat (15), and a fourth return spring (4) is fixedly mounted at the bottom end of the female mould seat (13).

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