CN101073904A - Mould - Google Patents
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- CN101073904A CN101073904A CN 200610060754 CN200610060754A CN101073904A CN 101073904 A CN101073904 A CN 101073904A CN 200610060754 CN200610060754 CN 200610060754 CN 200610060754 A CN200610060754 A CN 200610060754A CN 101073904 A CN101073904 A CN 101073904A
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Abstract
The invention is concerned with the mould, includes the fixed mode and the removing mode. It is: the removing mode includes the mouldboard, cavity insert core, and pack-out equipment, the mouldboard includes the crossing hole that is from one end face closing to the fixing mode to another end face, consists of the first through hole sect of the first aperture, the second through hole sect of the second aperture, the second aperture is bigger than the first aperture, the hole wall of the second through hole sect is set the rolling equipment; the cavity insert core includes the forming part and the connecting part, the forming part assorts with the first through hole sect and faces to the fixing mode, the connecting part assorts with the second through hole sect and connects with the pack-out equipment. The invention can reduce the wear of the cavity insert core.
Description
Technical field
The present invention relates to mould applications, especially go into sub-dull die about a kind of die that reduces.
Background technology
Along with progress of science and technology, in computer, communication, consumption electronic products and various precision instrument and mould thereof, more and more higher to the degree that becomes more meticulous of each spare and accessory parts.For example: the aspheric surface plastic cement lens of extensive use on electronic product and precision optics, for satisfying light, thin, short, the little demand of product, it has become more and more littler; Meanwhile, in aspheric surface plastic cement lens forming process employed mould structure also along with dwindling.
At present used the eject pin that diameter is 0.3mm for plastic cement lens field, but diameter is little eject pin so, substantial connection (for example eject pin length long more then easy more be bent or fracture) is arranged between its structural strength and the length, and make the use of eject pin be restricted.Because the restriction that eject pin uses, therefore usually adopt die to go into son and do and eject.
As shown in Figure 1, prior art goes into son with die and makees the mould 10 that ejects.This mould 10 comprises fixed die 1, mobile mould 2, and this moves mould 2 and comprises die piece 3, and die is gone into son 4, and liftout attachment 5, this die piece 3 comprise that die goes into sub-hole 6.During use, after product 8 moulding, this die is gone into son 4 under the effect of liftout attachment 5, shaped article 8 is done ejecting.Yet, go into son 4 at this die and do when ejecting, the sidewall 41 that this die is gone into son 4 is easy to generate big friction with 61 of the walls that die is gone into sub-hole 6, is easy to make die to go into sub 4 then and is worn, influence die and go into son 4 precision, will process die again and go into son 4 and cause.
Therefore, be necessary to provide a kind of die that reduces to go into sub-dull die.
Summary of the invention
Below will provide a kind of mould with embodiment.
A kind of mould, comprise fixed die and mobile mould, this mobile mould comprises that template, die go into son and liftout attachment, this template comprises through hole, wherein, this through hole from this template near an end face of fixed die to relative other end, comprise the first through hole section successively with first aperture, the second through hole section with second aperture, this second aperture are greater than first aperture, and the hole wall of this second through hole section is provided with tourelle; This die is gone into son and is comprised moulding section and coupling part, and this moulding section matches with the first through hole section, matches with the second through hole section in this coupling part, and this moulding section is towards fixed die, and this coupling part links to each other with liftout attachment.
With respect to prior art, described mould comprises tourelle, in use, because the friction that this tourelle can make die go between the hole wall of through hole on son and the module becomes rolling friction, the power of can reducing friction then reduces die and goes into the possibility that son is worn.Therefore above-mentioned mould has and can reduce the advantage that die is gone into the son wearing and tearing.
Description of drawings
Fig. 1 is that the employing die of prior art is gone into son and done the die profile that ejects.
Fig. 2 is the die profile of first embodiment of the invention.
Fig. 3 is vertical part sectioned view of the ball jacket of first embodiment of the invention.
Fig. 4 is the transverse cross-sectional view of the ball jacket of first embodiment of the invention.
Fig. 5 is that the part of the ball jacket of second embodiment of the invention is cut schematic perspective view open.
Fig. 6 is vertical part sectioned view of the roller sleeve of third embodiment of the invention.
The specific embodiment
Below in conjunction with drawings and Examples mould is described in further details.
See also Fig. 2, mould 100 schematic diagrames of first embodiment of the invention, this mould 100 comprise fixed die 11 and mobile mould 12, and this moves mould 12 and comprises that template 13, die go into son 14 and liftout attachment 15, offers through hole 16 on this template.Wherein, from vertical look up (being thickness direction), this through hole 16 from this template 13 near an end face 131 of fixed dies 11 to relative other end 132, comprise the first through hole section 161 successively with first aperture, the second through hole section 162 with second aperture, this second aperture is greater than first aperture, and the hole wall of this second through hole section 162 is provided with tourelle 17.This die is gone into son 14 and is comprised moulding section 141 and coupling part 142, its shape matches with this through hole 16, being specially moulding section 141 matches with the first through hole section 161, match with the second through hole section 162 in coupling part 142, and the longitudinal length of moulding section 141 is greater than the longitudinal length of the first through hole section 161.In addition, moulding section 141 parts that this die is gone into son 14 are in the first through hole section 161, and its end face towards fixed die is used to make product 18 moulding; This coupling part 142 is in the second through hole section 162, and it links to each other with liftout attachment 15, and outer wall is resisted against this tourelle 17; The relative motion that this tourelle 17 is used to this die is gone between son 14 and this hole wall is rolling.
During use, after product 18 moulding, this liftout attachment 15 promotes die and goes into the direction motion of son 14 towards fixed die 11, shaped article 18 can be ejected then.Meanwhile, owing on the hole wall of the second through hole section 162 tourelle 17 is arranged, the friction that the coupling part 142 that makes die go into son 14 produces when moving is rolling friction, and rolling friction has less frictional force compared to sliding friction, therefore the use of this mould, it is less that the hole wall of this through hole 16 is gone into sub issuable wearing and tearing to die.
This die is gone into son 14 shape and is matched with this through hole 16, goes into the strength-enhanced of son 14 for making die, can make die go into the cross section of the cross section of sub 14 moulding section 141 less than coupling part 142.
This tourelle 17 can be the ball jacket that is become by ball-shaped.
See also Fig. 3, Fig. 4, this tourelle 17 can be the cylindrical ball jacket 17a that is formed by ball 171a.This ball jacket 17a comprises a plurality of ball 171a and a cylinder ball retainer 172a.Wherein can be provided with a plurality of groove 173a on this cylinder ball retainer 172a, the groove depth of this groove 173a is greater than the radius of this ball 171a and less than the diameter of ball 171a, and the width of rebate of this groove 173a is less than the diameter of this ball 171a; This ball 171a is embedded in this groove 173a and can freely rolls, specific requirement is that the friction between ball 171a and the groove 173a is less than the frictional force between the sidewall of ball 171a and coupling part 142, preferably much smaller than the frictional force between the sidewall of ball 171a and coupling part 142.Less coefficient of friction between groove 173a and the ball 171a can be realized by changing ball 171a and the employed material of groove 173a; Perhaps realize by in this groove 173a, inserting lubricant; Realize again or at the little ball that groove 173a puts into a plurality of rotations capable of circulation.
See also Fig. 5, this tourelle 17 can be configured balls sleeve 17b as shown in the figure, this ball jacket 17b comprises a ball retainer 172b, and this ball retainer 172b is provided with a plurality of cannelure 173b, is provided with a plurality of continuously arranged ball 171b in this cannelure 173b.Wherein this cannelure 173b comprises two line part 1731b that are parallel to each other, and 1732b and is connected this two line part 1731b, two curve part 1733b of 1732b, 1734b; The opening 1735b of this cannelure 173b is located at the internal face that this line part 1731b went up and be in this retainer 172b, the width of this opening 1735b less than the diameter of this ball 171b so that this ball 171b can not drop out, it is used to make these a plurality of ball 171b ledge spheres in the hollow bulb of this retainer 172b, to contact with the coupling part 142 that die is gone into son 14 in use.
This ball jacket 17a, the shape of 17b also can be triangular prism, rectangular post or other polygon cylindricalitys, and requirement is that its endoporus matches with coupling part 142 shapes that die is gone into son 14, specifically is that the sidewall of this coupling part 142 can be resisted against this ball face; It is cylindrical for example working as coupling part 141, when ball jacket 17a is the triangle cylindricality, the diameter of this coupling part 141 can be slightly less than the inscribe diameter of a circle of the triangular cross section of this ball jacket, and makes the sidewall of coupling part 142 can be resisted against the ball face of this sleeve.
As shown in Figure 6, this tourelle 17 also can be the rectangular post roller sleeve 17c that is formed by roller 171c, this roller sleeve 17c comprises roller 171c and roller rolling retainer 172c, wherein this roller rolling retainer 172c can be and above-mentioned retainer 172a or the similar structure of 172b, roller 171c can be embedded wherein then.Coupling part 142 shapes of going into son 14 with die match, and this roller sleeve 17c shape also can be triangular prism, cylinder or other polygon cylindricalitys.
This tourelle 17 is arranged on the hole wall of this second through hole section 162, specifically can be with adhesive or clamping device and fixedly install it on the wall of this second through hole section 162, perhaps adopt with this second through hole section 162 between interference fit and this tourelle 17 is fixed.
Moreover, go into moulding section 141 wearing and tearing of son 14 for further avoiding die, this tourelle 17 also can be set to have long length with the coupling part 142 that die is gone into son, the beat of going into son 14 with the minimizing die improves the Linear Stability that die is gone into son 14 motions then, more than or equal to five (are longitudinal length and diameter than), be preferably draw ratio as the draw ratio of this coupling part 142 more than or equal to ten.
Compared with prior art, described mould 100, comprise tourelle 17, in use, because the friction that this tourelle 17 can make die go between the hole wall of the son 14 and the second through hole section 162 of through hole 16 becomes rolling friction, then the power of reducing friction reduces die and goes into the possibility that son is worn.Therefore above-mentioned mould has and can reduce the advantage that die is gone into the son wearing and tearing.
Claims (10)
1. mould, comprise fixed die and mobile mould, this mobile mould comprises that template, die go into son and liftout attachment, this template comprises through hole, it is characterized in that, this through hole from this template near an end face of fixed die to relative other end, comprise the first through hole section successively with first aperture, the second through hole section with second aperture, this second aperture are greater than first aperture, and the hole wall of this second through hole section is provided with tourelle; This die is gone into son and is comprised moulding section and coupling part, and this moulding section matches with the first through hole section, matches with the second through hole section in this coupling part, and this moulding section is towards fixed die, and this coupling part links to each other with liftout attachment.
2. mould as claimed in claim 1 is characterized in that the cross section of this moulding section is less than the cross section of coupling part.
3. mould as claimed in claim 1 is characterized in that, this tourelle is a ball jacket.
4. mould as claimed in claim 3, it is characterized in that this ball jacket comprises a plurality of balls and a retainer, this retainer is provided with a plurality of grooves, less than the diameter of this ball, and the width of rebate of this groove is less than the diameter of this ball greater than the radius of this ball for the groove depth of this groove; This ball is embedded in this groove.
5. mould as claimed in claim 3 is characterized in that, this ball jacket comprises a retainer, and this retainer is provided with a plurality of cannelures, is provided with a plurality of continuously arranged balls in this cannelure; Wherein this cannelure comprises two line parts that are parallel to each other, with two curve parts that are connected these two line parts, the opening of this cannelure is located on this line part and is in the internal face of retainer, it is used to make ball ledge sphere in the hollow bulb of this retainer, contacts to go into sub coupling part with die in use.
6. mould as claimed in claim 3 is characterized in that, this ball jacket is cylinder or polygon cylindricality.
7. mould as claimed in claim 1 is characterized in that, this tourelle is the roller sleeve.
8. mould as claimed in claim 7 is characterized in that, this roller sleeve is cylinder or polygon cylindricality.
9. mould as claimed in claim 1 is characterized in that, this tourelle with adhesive, clamping device or use and the second through hole section between interference fit be fixedly installed on the wall of the second through hole section.
10. mould as claimed in claim 1 is characterized in that the draw ratio of this coupling part is more than or equal to five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610060754 CN101073904A (en) | 2006-05-19 | 2006-05-19 | Mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610060754 CN101073904A (en) | 2006-05-19 | 2006-05-19 | Mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101073904A true CN101073904A (en) | 2007-11-21 |
Family
ID=38975255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610060754 Pending CN101073904A (en) | 2006-05-19 | 2006-05-19 | Mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101073904A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350753A (en) * | 2011-08-15 | 2012-02-15 | 江苏尚诚精密模具科技有限公司 | Rapid die changing structure for inner cylinder dies of washing machine |
| CN101746105B (en) * | 2008-12-01 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Die core making method and special die |
| CN101612697B (en) * | 2008-06-25 | 2012-07-18 | 鸿富锦精密工业（深圳）有限公司 | Die core clamping tool and center correction method thereof |
| CN103522486A (en) * | 2013-10-08 | 2014-01-22 | 太仓市天丝利塑化有限公司 | Rapid-positioning injection machine |
| CN110154320A (en) * | 2018-02-10 | 2019-08-23 | 苏州汉扬精密电子有限公司 | The oil leakage prevention structure of mold |
| CN110480944A (en) * | 2019-08-15 | 2019-11-22 | 昆山市鸿毅达精密模具有限公司 | Automotive safety lid bicolor injection mould |
-
2006
- 2006-05-19 CN CN 200610060754 patent/CN101073904A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101612697B (en) * | 2008-06-25 | 2012-07-18 | 鸿富锦精密工业（深圳）有限公司 | Die core clamping tool and center correction method thereof |
| CN101746105B (en) * | 2008-12-01 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Die core making method and special die |
| CN102350753A (en) * | 2011-08-15 | 2012-02-15 | 江苏尚诚精密模具科技有限公司 | Rapid die changing structure for inner cylinder dies of washing machine |
| CN102350753B (en) * | 2011-08-15 | 2015-11-25 | 江苏尚诚精密模具科技有限公司 | Quick die exchange structure of inner cylinder die of washing machine |
| CN103522486A (en) * | 2013-10-08 | 2014-01-22 | 太仓市天丝利塑化有限公司 | Rapid-positioning injection machine |
| CN110154320A (en) * | 2018-02-10 | 2019-08-23 | 苏州汉扬精密电子有限公司 | The oil leakage prevention structure of mold |
| CN110480944A (en) * | 2019-08-15 | 2019-11-22 | 昆山市鸿毅达精密模具有限公司 | Automotive safety lid bicolor injection mould |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20071121 |