CN203092862U - Forced return structure in mold - Google Patents

Forced return structure in mold Download PDF

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Publication number
CN203092862U
CN203092862U CN 201320029751 CN201320029751U CN203092862U CN 203092862 U CN203092862 U CN 203092862U CN 201320029751 CN201320029751 CN 201320029751 CN 201320029751 U CN201320029751 U CN 201320029751U CN 203092862 U CN203092862 U CN 203092862U
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CN
China
Prior art keywords
mould
return structure
pressure return
logical
fairlead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN 201320029751
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Chinese (zh)
Inventor
吴永兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitac Precision Technology Kunshan Ltd
Original Assignee
Mitac Precision Technology Kunshan Ltd
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Filing date
Publication date
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Priority to CN 201320029751 priority Critical patent/CN203092862U/en
Application granted granted Critical
Publication of CN203092862U publication Critical patent/CN203092862U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a forced return structure in a mold. The mold is provided with a male mold plate, a female mold plate, an upper ejector plate and a lower ejector plate, and the forced return structure comprises a guide sleeve, a stop sleeve, a rolling ball and a push needle, wherein the guide sleeve is fixed in the male mold plate, and a guide groove is formed in the position, close to the bottom end, on the inner wall of the guide sleeve; the top end of the stop sleeve is fixed on the upper ejector plate, the bottom end of the stop sleeve is movably arranged in the guide sleeve, and a through hole penetrating through the wall of the stop sleeve is formed in the position which is close to the top end of the stop sleeve; the rolling ball is arranged in the through hole, and the rolling ball is matched with the guide groove in shape; and the top end of the push needle is fixed on the female mold plate, and the bottom end of the push needle is movably arranged in the stop sleeve. Due to the adoption of the rolling ball structure, the failure of the structure is less prone to occur; and furthermore, the machining is simple, and the cost is low.

Description

Pressure return structure in the mould
[technical field]
The utility model relates to a kind of pressure return structure, particularly relates to the pressure return structure in a kind of mould.
[background technology]
See also Fig. 1, Fig. 1 illustrates to forcing the schematic diagram of return structure in the mould of prior art.When adopting mould to produce, sometimes the moulding that slide block carries out corresponding construction can be set on caster 100, and can use thimble and eject.For such situation, can use Fig. 1 structure usually, upper ejector plate 101 is reached the return of pressure earlier of liftout plate 102 down, the first closure of male model plate 103 and caster 100 causes the collision between thimble and the slide block when avoiding matched moulds.Particularly, this structure comprise push pin 104, fairlead 105, logically only overlap 106, pressing plate 107; Described 104 1 ends of pushing pin are fixed on the described caster 100, the other end is located at described logical 106 the top of only overlapping; Described logical 106 movable being located in the described fairlead 105 of only overlapping are describedly logically only overlapped 106 tops and are had guide part, the bottom is fixed on the described upper mounted plate 101; Described fairlead 105 is the gathering sill big than the remainder internal diameter near bottom part; Described pressing plate 107 is located at described fairlead 105 belows.Wherein, described logical 106 tops of only overlapping are for plugging the described extendible elastic construction in 104 backs of pushing pin (material for example is spring steel).
Said structure is when matched moulds, described described the leading to of 104 promotions of pushing pin only overlaps 106, and then drive described upper ejector plate 101 and described down liftout plate 102 until return, the described afterwards logical guide part that only overlaps 106 tops enters in the described gathering sill of described fairlead 105, described logical 106 the top only overlapped enlarges, described 104 the bottom of pushing pin is inserted and is describedly logically only overlapped 106, and then described caster 100 and described male model plate 103 closures.
Yet, though when adopting said structure to reach matched moulds, described upper ejector plate 101 and down liftout plate 102 force return in advance, described then caster 100 and described male model plate 103 just can closures; But owing to describedly logical only overlap 106 and need when matched moulds, be strutted, so behind matched moulds repeatedly, easily cause logical 106 the elasticity of only overlapping malfunctioning, and then cause total malfunctioning.And described leading to only overlapped 106 complex structures, processing difficulties, and the cost height is if change the described logical 106 time-consuming expense costs that only overlap.
In view of this, be necessary to develop the pressure return structure in a kind of mould in fact, to address the above problem.
[summary of the invention]
Therefore, the purpose of this utility model provides the pressure return structure in a kind of mould, and is easy to failure to solve the existing return structure of forcing, and the high problem of processing difficulties cost.
In order to achieve the above object, the pressure return structure in the mould that the utility model provides, described mould has male model plate, caster, upper ejector plate, following liftout plate, and this pressure return structure comprises:
Fairlead, it is fixed in the described male model plate, and described fairlead inwall has direction recess near bottom position;
The logical cover that ends, described upper ejector plate is fixed on its top, the bottom is movable is located in the described fairlead, and the described logical cover that ends has near apical position and penetrates the described logical through hole that ends jacket wall;
Ball, it is located in the described through hole, described ball and described direction recess form fit;
Push pin, its top is fixed on the described caster, and the bottom is movable to be located in the described logical only cover.
Optionally, described bottom of pushing pin has guide part.
Optionally, described through hole is four, radially is uniformly distributed in only to put described leading to.
Optionally, the close described logical diameter of the aperture of inwall one end that only overlap of described through hole less than described ball.
Optionally, the material of described fairlead is a mould steel.
Optionally, described logical material of ending cover is a mould steel.
Optionally, described material of pushing pin is a mould steel.
Optionally, the material of described ball is a stainless steel.
Optionally, described direction recess is around described one week of fairlead inwall.
Compared to prior art, utilize the pressure return structure in the mould of the present utility model, when matched moulds, the described part of pushing pin is inserted the described logical cover that ends, be hampered by described ball, and then take the described logical cover that ends to and move downward, describedly logically end that cover drives described upper ejector plate and described liftout plate down moves downward, and then return; Move to the described direction recess of described fairlead when described ball after, described ball partly is pushed into described direction recess, and then described pushing pin can continue to insert described logical ending in the cover, thereby can reach the mutual closure of male model plate and caster.Owing to adopts described roll structure, thereby can not cause structure malfunctioning easily, and processing be simple, cost is low.
[description of drawings]
Fig. 1 illustrates to forcing the schematic diagram of return structure in the mould of prior art.
Fig. 2 illustrates and is the pressure return structure one preferred embodiment perspective view in the mould of the present utility model.
Fig. 3 illustrates and is the one preferred embodiment decomposition texture schematic diagram of the pressure return structure in the mould of the present utility model.
Fig. 4 illustrates and is one preferred embodiment of the pressure return structure in the mould of the present utility model, the first matched moulds view.
Fig. 5 illustrates and is one preferred embodiment of the pressure return structure in the mould of the present utility model, the second matched moulds view.
Fig. 6 illustrates and is one preferred embodiment of the pressure return structure in the mould of the present utility model the 3rd matched moulds view.
[specific embodiment]
Please consult Fig. 2, Fig. 3 jointly, Fig. 2 illustrates to pressure return structure one preferred embodiment perspective view, Fig. 3 in the mould of the present utility model illustrate and is the one preferred embodiment decomposition texture schematic diagram of the pressure return structure in the mould of the present utility model.
In order to achieve the above object, the pressure return structure in the mould that the utility model provides, described mould has male model plate 200, caster 201, upper ejector plate 202, following liftout plate 203, and this pressure return structure comprises:
Fairlead 204, it is fixed in the described male model plate 200, and described fairlead 204 inwalls have direction recess 205 near bottom position;
Logical only overlap 206, described upper ejector plate 202 is fixed on its top, the bottom is movable is located in the described fairlead 204, describedly logically only overlaps 206 and has near apical positions and to penetrate the described logical through hole 207 that only overlaps 206 walls;
Ball 208, it is located in the described through hole 207, described ball 208 and described direction recess 205 form fit;
Push pin 209, its top is fixed on the described caster 201, and movable being located in bottom only overlapped in 206 described leading to.
Wherein, described 209 the bottom of pushing pin can have guide part, thereby convenient described pushing pin 209 inserted described logically only overlap in 206.
Wherein, described through hole 207 can be four, and can radially be uniformly distributed in described logical only overlapping on 206, so can be on all directions stress balance.
Wherein, described through hole 207 logically only overlaps the diameter of the aperture of 206 inwalls, one end less than described ball 208 near described, logically only overlaps in 206 thereby can effectively avoid described ball 208 to be extruded falling into described.
Wherein, described fairlead 204, logical only overlap 206,209 the material of pushing pin can be mould steel, because of the hardness and the combination property of this material better, high life.
Wherein, the material of described ball 208 can be stainless steel, and hardness and performance are all preferable.
Wherein, described direction recess 205 is around described fairlead one week of 204 inwalls, thus described ball 208 enter described direction recess 205 can corresponding all directions.
Please again in conjunction with consulting Fig. 4, Fig. 5, Fig. 6, Fig. 4 illustrates to one preferred embodiment of the pressure return structure in the mould of the present utility model, the first matched moulds view, Fig. 5 illustrate to one preferred embodiment of the pressure return structure in the mould of the present utility model, the second matched moulds view, Fig. 6 illustrate and is one preferred embodiment of the pressure return structure in the mould of the present utility model the 3rd matched moulds view.
When matched moulds, described 209 parts of pushing pin are inserted and describedly logically only to be overlapped 206, are hampered by described ball 208, and then take to and describedly logically only overlap 206 and move downward, and describedly logically only overlap 206 and drive described upper ejector plates 202 and described liftout plate 203 down moves downward, and then return; Move to the described direction recess 205 of described fairlead 204 when described ball 208 after, described ball 208 parts are pushed into described direction recess 205, and then described pushing pin 209 can continue to insert described logical only overlap in 206, thereby can reach the mutual closure of male model plate 200 and caster 201.As seen,, can reach described upper ejector plate 202 of first return and described liftout plate 203 down, more described male model plate 200 and caster 201 be carried out closure afterwards by said structure.
Compared to prior art, utilize the pressure return structure in the mould of the present utility model, owing to adopt described ball 208 and corresponding construction, thus can not cause structure malfunctioning easily; This structure processing is simple simultaneously, cost is low, if described ball 208 damages, only needs to change ball 208 and gets final product.

Claims (10)

1. the pressure return structure in the mould, described mould have male model plate, caster, upper ejector plate, liftout plate down, it is characterized in that this pressure return structure comprises:
Fairlead, it is fixed in the described male model plate, and described fairlead inwall has direction recess near bottom position;
The logical cover that ends, described upper ejector plate is fixed on its top, the bottom is movable is located in the described fairlead, and the described logical cover that ends has near apical position and penetrates the described logical through hole that ends jacket wall;
Ball, it is located in the described through hole, described ball and described direction recess form fit;
Push pin, its top is fixed on the described caster, and the bottom is movable to be located in the described logical only cover.
2. the pressure return structure in the mould as claimed in claim 1 is characterized in that described bottom of pushing pin has guide part.
3. the pressure return structure in the mould as claimed in claim 1 is characterized in that described through hole is four.
4. the pressure return structure in the mould as claimed in claim 1 is characterized in that, described through hole radially is uniformly distributed in and only puts described leading to.
5. the pressure return structure in the mould as claimed in claim 1 is characterized in that, described through hole is near the described logical diameter of the aperture of inwall one end less than described ball that only overlap.
6. the pressure return structure in the mould as claimed in claim 1 is characterized in that the material of described fairlead is a mould steel.
7. the pressure return structure in the mould as claimed in claim 1 is characterized in that, described logical material of ending cover is a mould steel.
8. the pressure return structure in the mould as claimed in claim 1 is characterized in that described material of pushing pin is a mould steel.
9. the pressure return structure in the mould as claimed in claim 1 is characterized in that the material of described ball is a stainless steel.
10. the pressure return structure in the mould as claimed in claim 1 is characterized in that described direction recess is around described one week of fairlead inwall.
CN 201320029751 2013-01-21 2013-01-21 Forced return structure in mold Withdrawn - After Issue CN203092862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320029751 CN203092862U (en) 2013-01-21 2013-01-21 Forced return structure in mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320029751 CN203092862U (en) 2013-01-21 2013-01-21 Forced return structure in mold

Publications (1)

Publication Number Publication Date
CN203092862U true CN203092862U (en) 2013-07-31

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CN 201320029751 Withdrawn - After Issue CN203092862U (en) 2013-01-21 2013-01-21 Forced return structure in mold

Country Status (1)

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CN (1) CN203092862U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103934932B (en) * 2013-01-21 2016-10-26 汉达精密电子(昆山)有限公司 Pressure return structure in mould

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103934932B (en) * 2013-01-21 2016-10-26 汉达精密电子(昆山)有限公司 Pressure return structure in mould

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130731

Effective date of abandoning: 20161012

C25 Abandonment of patent right or utility model to avoid double patenting