CN209176064U - A kind of mold that screwed tooth structure takes off by force - Google Patents

Abstract

The utility model discloses a kind of molds that screwed tooth structure takes off by force, including upper mounted plate, preceding mould backboard, front template, push plate, rear pattern plate, rear mold backboard, upper ejector plate, lower liftout plate, bottom plate, the first front cavity, the second front cavity, sprue mold insert, pushing sleeve, rear cavity, thimble, positioning ring；First front cavity is located at the inside of front template, and the second front cavity is located at the inside of preceding mould backboard, and rear cavity is located at the inside of rear pattern plate, and pushing sleeve is located at the inside of push plate；Sprue mold insert is placed in the second front cavity, and thimble is fixed between upper ejector plate and lower liftout plate, and positioning ring is located at the center of upper mounted plate；Mold cavity is collectively formed in first front cavity, the second front cavity, rear cavity and pushing sleeve.The mould structure that the screwed tooth structure of the utility model takes off by force is simple, and mold die sinking movement is few, and the period is short, and high-efficient, volume production is at low cost.

Description

A kind of mold that screwed tooth structure takes off by force

Technical field

The utility model relates to mechanical manufacturing field, in particular to a kind of mold that screwed tooth structure takes off by force.

Background technique

It when using die casting product, is demoulded after formed product, the product of general shape only need to be according to The separation of product and mold can be realized in conventional demoulding step.

In the casting process of product, various screwed tooth structure products are inevitably encountered, screwed tooth structure is worked as Product after moulding by casting, even damage product can not be demoulded if carrying out demoulding according to conventional step and will lead to product. For this purpose, the mode generallyd use that solves the above problems in industry carries out secondary operation realization after having screw thread to move back core and formed product again Screwed tooth structure；In such a way that screw thread moves back core, mould structure is complicated, and die cost is high；After formed product comes out, thread uses machine The mode of processing, die cost is although low, but the product to form out also needs secondary operation, and volume production is at high cost.

It needs a kind of the mold that screwed tooth structure takes off by force to may be implemented to solve above-mentioned technical problem.

Utility model content

To solve the above-mentioned problems, the utility model provides a kind of mold that screwed tooth structure takes off by force.The utility model The mould structure that screwed tooth structure takes off by force is simple；Die cost is the one third that screw thread moves back core mold cost；Mold die sinking movement It is few；Period is short；It is high-efficient；Volume production is at low cost.

The utility model is to solve above-mentioned technical problem by following technical solution:

The utility model provides a kind of mold that screwed tooth structure takes off by force, including upper mounted plate, preceding mould backboard, front template, Push plate, rear pattern plate, rear mold backboard, upper ejector plate, lower liftout plate, bottom plate, the first front cavity, the second front cavity, cast gate edge Part, pushing sleeve, rear cavity, thimble, positioning ring；Fixed plate, preceding mould backboard, front template, push plate, rear pattern plate, rear mold backboard, Upper ejector plate, lower liftout plate and bottom plate are fixedly connected sequentially from top to bottom；First front cavity is located at the front template Inside, second front cavity is located at the inside of the preceding mould backboard, and the rear cavity is located at the inside of the rear pattern plate, institute State the inside that pushing sleeve is located at the push plate；The sprue mold insert is placed in second front cavity, and the thimble is fixed on institute It states between upper ejector plate and lower liftout plate, the positioning ring is located at the center of fixed plate；First front cavity, Mold cavity is collectively formed in two front cavitys, rear cavity and pushing sleeve.

In the utility model, fixed plate for realizing injection molding when and molding machine fixation.

In the utility model, the preceding mould backboard is for placing second front cavity.

In the utility model, the front template is for placing first front cavity.

In the utility model, the push plate is for placing the pushing sleeve.

In the utility model, the rear pattern plate is for placing the rear cavity.

In the utility model, the rear mold backboard is used to support the rear cavity, and fixes with the rear pattern plate.

In the utility model, the upper ejector plate is for placing thimble.

In the utility model, the lower liftout plate is for fixing thimble.

In the utility model, the bottom plate for realizing injection molding when and molding machine fixation.

In the utility model, first front cavity is used for mould side shape before shaped article.

In the utility model, second front cavity is used for mould side shape before shaped article.

In the utility model, the pushing sleeve is used for the partial shape of shaped article, and participates in ejecting.

In the utility model, the rear cavity is used for shaped article rear mold side shape.

In the utility model, the thimble is used for ejecting product.

In the utility model, the sprue mold insert is for placing hot nozzle.

In the utility model, mold cavity is collectively formed in first front cavity, the second front cavity, rear cavity and pushing sleeve, For realizing the molding of product.

Preferably, fixed plate is screwed with preceding mould backboard；

Preferably, the preceding mould backboard is screwed with front template；

Preferably, the rear pattern plate is screwed with rear mold backboard；

Preferably, the rear mold backboard is screwed with bottom plate；

Preferably, the upper ejector plate is screwed with lower liftout plate；

Preferably, being additionally provided with back stitching between the push plate and upper ejector plate, the back stitching and the push plate pass through screw Fixed, the back stitching is screwed with the upper ejector plate.

In the utility model, the working principle for the mold that the screwed tooth structure takes off by force are as follows: when demoulding front template and push plate it Between can first open certain stroke, product stays in rear mold side.Then mould ejection, upper ejector plate and lower liftout plate, thimble and pushes away Plate, pushing sleeve travel forward, and in this ejection process, product is forced to go out mold core by force, and are finally completed ejection, demoulding.

Advantages and beneficial effects of the utility model lie in that the mould structure letter that the screwed tooth structure of the utility model takes off by force It is single；Die cost is the one third that screw thread moves back core mold cost；Mold die sinking movement is few；Period is short；It is high-efficient；Volume production cost It is low.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram for the mold that the screwed tooth structure of the utility model embodiment takes off by force；

Fig. 2 is the structural schematic diagram that product is made in the mold that the screwed tooth structure of the utility model embodiment takes off by force；

Fig. 3 is the partial schematic diagram that product is made in the mold that the screwed tooth structure of the utility model embodiment takes off by force.

Description of symbols:

1, upper mounted plate；2, preceding mould backboard；

3, front template；4, push plate；

5, rear pattern plate；6, rear mold backboard；

7, upper ejector plate；8, lower liftout plate；

9, bottom plate；10, the second front cavity；

11, sprue mold insert；12, the first front cavity；

13, pushing sleeve；14, rear cavity；

15, thimble；16, positioning ring；

17, product；171, screwed tooth structure.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model It encloses.

As shown in Figure 1, present embodiments providing a kind of mold that screwed tooth structure takes off by force, including upper mounted plate 1, preceding mould backboard 2, front template 3, push plate 4, rear pattern plate 5, rear mold backboard 6, upper ejector plate 7, lower liftout plate 8, bottom plate 9, the first front cavity 12, Second front cavity 10, sprue mold insert 11, pushing sleeve 13, rear cavity 14, thimble 15, positioning ring 16；Upper mounted plate 1, preceding mould backboard 2, Front template 3, push plate 4, rear pattern plate 5, rear mold backboard 6, upper ejector plate 7, lower liftout plate 8 and bottom plate 9 are successively solid from top to bottom Fixed connection；First front cavity 12 is located at the inside of front template 3, and the second front cavity 10 is located at the inside of preceding mould backboard 2, rear cavity 14 Positioned at the inside of rear pattern plate 5,13 sets of inside for being located at push plate 4 are pushed away；Sprue mold insert 11 is placed in the second front cavity 10, thimble 15 It is fixed between upper ejector plate 7 and lower liftout plate 8, positioning ring 16 is located at the center of upper mounted plate 1；First front cavity 12, Mold cavity is collectively formed in two front cavitys 10, rear cavity 14 and pushing sleeve 13.

In the present embodiment, upper mounted plate 1 for realizing injection molding when and molding machine fixation.

In the present embodiment, preceding mould backboard 2 is for placing the second front cavity 10.

In the present embodiment, front template 3 is for placing the first front cavity 12.

In the present embodiment, push plate 4 is for placing pushing sleeve 13.

In the present embodiment, rear pattern plate 5 is for placing rear cavity 14.

In the present embodiment, rear mold backboard 6 is used to support rear cavity 14, and fixed with rear pattern plate 5.

In the present embodiment, upper ejector plate 7 is for placing thimble 15.

In the present embodiment, lower liftout plate 8 is for fixing thimble 15.

In the present embodiment, bottom plate 9 for realizing injection molding when and molding machine fixation.

In the present embodiment, the first front cavity 12 is used for mould side shape before shaped article.

In the present embodiment, the second front cavity 10 is used for mould side shape before shaped article.

In the present embodiment, pushing sleeve 13 is used for the partial shape of shaped article, and participates in ejecting.

In the present embodiment, rear cavity 14 is used for shaped article rear mold side shape.

In the present embodiment, thimble 15 is used for ejecting product 17.

In the present embodiment, sprue mold insert 11 is for placing hot nozzle.

In the present embodiment, mould type is collectively formed in the first front cavity 12, the second front cavity 10, rear cavity 14 and pushing sleeve 13 Chamber, for realizing the molding of product 17.

Wherein, upper mounted plate 1 is screwed with preceding mould backboard 2；Preceding mould backboard 2 is screwed with preceding 3 plate of mould； Rear pattern plate 5 is screwed with rear mold backboard 6；Rear mold backboard 6 is screwed with bottom plate 9；Upper ejector plate 7 is under Liftout plate 8 is screwed；Back stitching is additionally provided between push plate 4 and upper ejector plate 7, back stitching is screwed with push plate 4, Back stitching is screwed with upper ejector plate 7.

The structure of the product 17 of the present embodiment and the screwed tooth structure 171 of product 17 are as shown in Figures 2 and 3.

In the present embodiment, the working principle for the mold that screwed tooth structure takes off by force are as follows: can be first between front template and push plate when demoulding Certain stroke is opened, product stays in rear mold side.Then mould ejection, upper ejector plate and lower liftout plate, thimble and push plate, pushing sleeve It travels forward, in this ejection process, product is forced to go out mold core by force, and is finally completed ejection, demoulding.

The mould structure that the screwed tooth structure of the present embodiment takes off by force is simple；Die cost is three points that screw thread moves back core mold cost One of；Mold die sinking movement is few；Period is short；It is high-efficient；Volume production is at low cost.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (7)

1. a kind of mold that screwed tooth structure takes off by force, which is characterized in that the mold that the screwed tooth structure takes off by force includes upper mounted plate, preceding Mould backboard, front template, push plate, rear pattern plate, rear mold backboard, upper ejector plate, lower liftout plate, bottom plate, the first front cavity, second Front cavity, sprue mold insert, pushing sleeve, rear cavity, thimble, positioning ring；Fixed plate, preceding mould backboard, front template, push plate, after Template, rear mold backboard, upper ejector plate, lower liftout plate and bottom plate are fixedly connected sequentially from top to bottom；First front cavity Positioned at the inside of the front template, second front cavity is located at the inside of the preceding mould backboard, and the rear cavity is located at described The inside of rear pattern plate, the pushing sleeve are located at the inside of the push plate；The sprue mold insert is placed in second front cavity, institute It states thimble to be fixed between the upper ejector plate and lower liftout plate, the positioning ring is located at the center of fixed plate；Institute It states the first front cavity, the second front cavity, rear cavity and pushing sleeve and mold cavity is collectively formed.

2. the mold that screwed tooth structure as described in claim 1 takes off by force, which is characterized in that fixed plate and preceding mould backboard are logical Screw is crossed to fix.

3. the mold that screwed tooth structure as described in claim 1 takes off by force, which is characterized in that the preceding mould backboard passes through with front template Screw is fixed.

4. the mold that screwed tooth structure as described in claim 1 takes off by force, which is characterized in that the rear pattern plate passes through with rear mold backboard Screw is fixed.

5. the mold that screwed tooth structure as described in claim 1 takes off by force, which is characterized in that the rear mold backboard and bottom plate are logical Screw is crossed to fix.

6. the mold that screwed tooth structure as described in claim 1 takes off by force, which is characterized in that the upper ejector plate and lower liftout plate are logical Screw is crossed to fix.

7. the mold that screwed tooth structure as described in claim 1 takes off by force, which is characterized in that set between the push plate and upper ejector plate It is equipped with back stitching, the back stitching is screwed with the push plate, and the back stitching is screwed with the upper ejector plate.