CN202006541U - Corrugated pipe forming device - Google Patents
Corrugated pipe forming device Download PDFInfo
- Publication number
- CN202006541U CN202006541U CN2010206532818U CN201020653281U CN202006541U CN 202006541 U CN202006541 U CN 202006541U CN 2010206532818 U CN2010206532818 U CN 2010206532818U CN 201020653281 U CN201020653281 U CN 201020653281U CN 202006541 U CN202006541 U CN 202006541U
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- China
- Prior art keywords
- core rod
- framework
- lower bolster
- cope match
- corrugated pipe
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- Expired - Fee Related
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Abstract
The utility model provides a corrugated pipe forming device which comprises an upper die plate, a framework and a lower die plate, wherein an upper cavity and a lower cavity are respectively formed on two opposite sides of the upper and the lower die plates; a die core installation part is rotatably arranged on the framework, and the die core installation part is used for the installation of the die core; the framework further comprises a die core limiting stopper, and the die core limiting stopper is opposite to the die core installation part; and the upper die plate, the framework and the lower die plate can be stacked up in sequence, so as to enable the upper die plate to be mounted on the die core installation part of the die core, and the upper cavity and the lower cavity are matched with each other after passing through the framework, and a cavity is formed among the upper die plate, the die core and the lower die plate. The corrugated pipe forming device has the advantages of high efficiency and high positioning accuracy during the preparation of corrugated pipes, and is favorable for large scale industrial production.
Description
Technical field
The utility model relates to a kind of corrugated pipe forming device, especially a kind of straight type corrugated pipe forming device.
Background technology
Now, rubber tube uses more and more widely in daily life and industrial production, especially bellows.At present, the production method of bellows comprises core rod is positioned in the mould, and makes core rod all be coated with sizing material up and down, and the mould that inside is contained sizing material vulcanizes in vulcanizing press.Take out core rod after the die sinking, the product bellows is placed on the core rod.Between corrugated pipe products and core rod, feed pressure-air, bellows is separated with core rod, take out corrugated pipe products then rapidly and get final product.
But, bellows series products rubber mold, under the more situation of die cavity number, each and every one core rod all is relatively independent, and the operative employee must be fetched into workman's operating area with the core rod joint product respectively in die cavity, again product is taken out, and then core rod reset to the die cavity position, operative employee's fatiguability has also increased handling time greatly like this, be unfavorable for die automation production, be unfavorable for the product volume production.And, core rod causes misplacing the position when putting into die cavity again after taking out product easily, again because of relatively poor etc. the reason of the interchangeability of parts such as inlaid piece of mould, core rod, be difficult to accurate location between the cope match-plate pattern of core rod, mould, the lower bolster, mould is easier to cause the pressing mold phenomenon.
The utility model content
Inefficiency when producing bellows in order to overcome in the prior art, the problem that positioning accuracy is low, the utility model provides a kind of corrugated pipe forming device.Efficient height when preparing bellows by this corrugated pipe forming device, the positioning accuracy height is beneficial to large-scale industrial production.
The disclosed corrugated pipe forming device of the utility model comprises cope match-plate pattern, framework and lower bolster, and described cope match-plate pattern offers upper cavity and lower chamber respectively on the two sides relative with lower bolster; The rotatable core rod installation portion that is provided with on the described framework, described core rod installation portion is used to install core rod; Described framework also comprises the core rod limited block, and described core rod limited block and core rod installation portion are oppositely arranged; Described cope match-plate pattern, framework and lower bolster can stack in turn, cope match-plate pattern is pressed be located on the core rod installation portion that core rod is installed, and upper cavity and lower chamber pass framework and match, and form die cavity between cope match-plate pattern, core rod and lower bolster.
Be the lines that has the bellows that needs moulding on upper cavity and the lower chamber, during moulding, upper cavity matches with lower chamber, core rod, at cope match-plate pattern and the inner die cavity that forms of lower bolster, is used for the moulding corrugated pipe products.
Preferably, said frame is the frame structure of hollow, and cope match-plate pattern contacted with the penetrable framework of lower bolster when cope match-plate pattern, framework stacked with lower bolster.
In the utility model,, core rod is fixed on the core rod installation portion of framework, and the other end of core rod is placed make core rod obtain stable location on the core rod limited block by between cope match-plate pattern and lower bolster, framework being set.And when the demoulding, rotating core rod installation portion can be transferred to outside the forming area the carrying out of conveniently stripped operation with the core rod with corrugated pipe products.After the demoulding, the core rod installation portion resets and makes core rod be returned to shaping position.Improved the positioning accuracy of forming process greatly, simultaneously, can enhance productivity greatly by this shaped device.
Under the preferable case, described framework is provided with a plurality of fixed blocks, is connected with pin between adjacent two fixed blocks, and described core rod installation portion is sheathed on the pin, and can rotate for axle by pin, thereby realizes rotatable being installed on the framework of core rod installation portion.Similarly, those skilled in the art can adopt the rotatable purpose that is installed on the framework of realization core rod installation portion of riveted joint or the equivalence of bearing ways of connecting.
Can make core rod and framework keep relative position to fix by above structure.Especially work as framework and be provided with a plurality of core rod installation portions, can guarantee the position stability of a plurality of core rods, improved consistency of product.As to further improvement of the utility model, described lower bolster is provided with the fine positioning guide pillar, offers the fine positioning guide hole on the described core rod installation portion; The fine positioning guide pillar can match with the fine positioning guide hole core rod installation portion is positioned.The fine positioning guide pillar matches with the fine positioning guide hole after framework is positioned on the lower bolster, and the position of core rod locating piece is fixed with respect to lower bolster, has further improved the positioning accuracy of core rod.
In order further to enhance productivity, for the disclosed corrugated pipe forming device of the utility model, can be provided with a plurality of upper cavities on the template thereon, correspondence is provided with a plurality of lower chambers on the lower bolster; Described framework is provided with the core rod installation portion of corresponding number.Be set up in parallel between above-mentioned a plurality of upper cavity, be set up in parallel between a plurality of lower chambers.When cope match-plate pattern and lower bolster cooperate when contact, a plurality of die cavities of formation between a plurality of upper cavities and a plurality of lower chamber, a plurality of core rod can be used to a plurality of corrugated pipe products of while moulding.
Under the preferable case, also be provided with first positioning guide column on the described lower bolster, cope match-plate pattern is provided with the first location guide pin bushing; First positioning guide column can match with the first location guide pin bushing cope match-plate pattern and lower bolster are positioned.
When cope match-plate pattern combines with lower bolster, first positioning guide column is passed framework, insert in the first location guide pin bushing, the two matches cope match-plate pattern and lower bolster is positioned, the relative position of cope match-plate pattern and lower bolster is fixed, thereby when making each moulding, the cavity structure between cope match-plate pattern, core rod and the lower bolster remains unchanged, and has improved consistency of product greatly.Under the preferable case, lower bolster is provided with 4 first positioning guide column, is distributed on 4 angles of lower bolster, corresponding, cope match-plate pattern is provided with 4 first location guide pin bushings, and the position of the first location guide pin bushing is corresponding with the position of first positioning guide column.
Further, described lower bolster below is provided with backing plate, be fixed with second positioning guide column on the described backing plate, on described cope match-plate pattern and the lower bolster respectively correspondence offer second positioning pilot hole and following second positioning pilot hole, described second positioning guide column can penetrate down second positioning pilot hole successively and last second positioning pilot hole is fixed in cope match-plate pattern and lower bolster on the backing plate, further cope match-plate pattern and lower bolster are positioned, improve positioning accuracy.
Simultaneously, also can be fixed with the 3rd positioning guide column on the described backing plate, offer the 3rd positioning pilot hole on the described framework, penetrable the 3rd positioning pilot hole of described the 3rd positioning guide column with frame fixation on backing plate.By second positioning guide column on the backing plate and the 3rd positioning guide column acting in conjunction, cope match-plate pattern, framework, lower bolster position each other is completely fixed, thereby has guaranteed the precision of moulding bellows.
Described backing plate side also can be provided with back-up block, and described back-up block can be used for bearing frame.Under the preferable case, the quantity of described back-up block is 4, lays respectively at the relative both sides of backing plate, 2 of every sides.
As further improvement to the disclosed corrugated pipe forming device of the utility model, under the preferable case, described framework is provided with the core rod installation portion on the relative both sides, and described core rod limited block is arranged in the middle of the framework, and the core rod installation portion of the relative both sides of framework is positioned at core rod limited block both sides respectively; Offer the core rod stopper slot on the described core rod limited block, this core rod stopper slot can carry out effectively spacing to an end of core rod; Be respectively arranged with holding tank and following holding tank on described cope match-plate pattern and the lower bolster, the position of described upward holding tank and following holding tank is corresponding with the position of core rod limited block.
Have two batches of corrugated pipe products of corrugated pipe forming device moulding simultaneously of said structure, improved production efficiency greatly.
In addition, in the disclosed corrugated pipe forming device of the utility model, the cope match-plate pattern surface offers running channel, and described running channel is communicated to upper cavity.During use, the sizing material of fusion is poured into from running channel, sizing material flows to upper cavity along running channel and enters die cavity.Be convenient to follow-up moulding.
Description of drawings
Fig. 1 is the blast structural representation of the corrugated pipe forming device that provides of the utility model.
Fig. 2 is the schematic diagram of the corrugated pipe forming device that provides of the utility model.
Fig. 3 is the corrugated pipe forming device middle frame decomposition texture schematic diagram that the utility model provides.
Fig. 4 is the corrugated pipe forming device assembled state cutaway view that the utility model provides.
Fig. 5 is the structural representation after the corrugated pipe forming device that provides of the utility model improves.
Wherein, Reference numeral: 1, cope match-plate pattern; 2, framework; 3, lower bolster; 4, backing plate; 5, bellows; 6, pushing block; 11, upper cavity; 12, the first location guide pin bushing; 13, last second positioning pilot hole; 14, running channel; 20, core rod; 21, core rod installation portion; 22, fine positioning guide hole; 23, core rod limited block; 24, fixed block; 25, the 3rd positioning pilot hole; 26, core rod stopper slot; 27, pin; 31, lower chamber; 32, fine positioning guide pillar; 33, first positioning guide column; 34, following second positioning pilot hole; 35, following holding tank; 41, second positioning guide column; 42, the 3rd positioning guide column; 43, the 3rd positioning guide column hole; 44, back-up block.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Referring to Fig. 1 and Fig. 2, the disclosed corrugated pipe forming device cope match-plate pattern 1 of the utility model, framework 2 and lower bolster 3.
Offer some running channels 14 on the upper surface of this cope match-plate pattern 1, lower surface has a plurality of upper cavities arranged side by side 11.This upper cavity 11 has the required lines of bellows 5 products.Above-mentioned running channel 14 is communicated to upper cavity 11.Simultaneously, being fixed with 12,4 first location of guide pin bushing, 4 first location guide pin bushing 12 on cope match-plate pattern 1 lower surface is positioned on 4 angles of cope match-plate pattern 1 lower surface.In addition, also offer 4 last second positioning pilot holes 13 that run through cope match-plate pattern 1 on the cope match-plate pattern 1.
Offer a plurality of lower chambers arranged side by side 31 on the lower bolster 3, have the lines of bellows 5 products on the lower chamber 31.The quantity of lower chamber 31 is identical with the quantity of upper cavity 11, and the position is corresponding.
Also be fixed with a plurality of fine positioning guide pillars 32 on the lower bolster 3, the quantity of fine positioning guide pillar 32 is identical with the quantity of lower chamber 31.Simultaneously, also be fixed with on the lower bolster 3 on 4 angles that 33,4 first positioning guide column 33 of 4 first positioning guide column are positioned at lower bolster 3, and corresponding with guide pin bushing 12 positions, first location on the cope match-plate pattern 1.
Simultaneously, also offering 4 34,4 of following second positioning pilot holes that run through lower bolster 3 on the lower bolster 3 descends second positioning pilot holes 34 corresponding with 4 last second positioning pilot hole 13 positions of cope match-plate pattern 1.
According to the utility model, importantly, between above-mentioned cope match-plate pattern 1 and lower bolster 3, also be provided with framework 2, its structure is referring to Fig. 3.This framework 2 is the frame structure of hollow, has four frames.Be fixed with a plurality of fixed blocks 24 therein on the frame, be connected with pin 27 between adjacent two fixed blocks 24.Core rod installation portion 21 is sheathed on the pin 27, and core rod installation portion 21 can carry out rotation for axle by pin 27.Be arranged with a core rod installation portion 21 on each pin 27.The number of core rod installation portion 21 is identical with the number of upper cavity 11, lower chamber 31.Core rod installation portion 21 is used to install and fix core rod 20.
Simultaneously, also offer fine positioning guide hole 22 on the core rod installation portion 21, when the core rod installation portion 21 that core rod 20 is installed is in the operating position, when promptly the core rod 20 on the core rod installation portion 21 this moment is in upper cavity 11 and lower chamber 31 corresponding positions, fine positioning guide hole 22 on the core rod installation portion 21 matches with fine positioning guide pillar 32 on the lower bolster 3, can position core rod installation portion 21.
A side frame relative with core rod installation portion 21 place frames is core rod limited block 23.Offer core rod stopper slot 26 on this core rod limited block 23.Core rod stopper slot 26 can be used for carrying out spacing to core rod 20.
On the framework 2, all offer 2 the 3rd positioning pilot holes 25 on two frames adjacent with core rod installation portion 21 place frames.
Described cope match-plate pattern 1 and lower bolster 3 offer upper cavity 11 and lower chamber 31 respectively on the relative two sides; The rotatable core rod installation portion 21 that is provided with on the described framework 2, described core rod installation portion 21 is used to install core rod 20; Described framework 2 also comprises core rod limited block 23, and described core rod limited block 23 is oppositely arranged with core rod installation portion 21;
Described cope match-plate pattern 1, framework 2 and lower bolster 3 can stack in turn, cope match-plate pattern 1 is pressed to be located on the core rod installation portion 21 that core rod 20 is installed, and upper cavity 11 and lower chamber 31 pass framework 2 and match, and form die cavity between cope match-plate pattern 1, core rod 20 and lower bolster 3.
In addition, lower bolster 3 belows of this corrugated pipe forming device also have backing plate 4.Offer two second positioning guide column of far-end, 41 omissions among 4 second positioning guide column 41(Fig. 1 on the backing plate 4), on 4 second positioning guide column 41 and the lower bolster 34 down 4 last second positioning pilot holes 13 on second positioning pilot hole 34 and the cope match-plate pattern 1 match, 41 penetrable times second positioning pilot holes 34 of second positioning guide column and 13 pairs of lower bolsters 3 of last second positioning pilot hole and cope match-plate pattern 1 position.
Simultaneously, also offer 4 the 3rd positioning guide column holes 43 on the backing plate 4, be used to install 4 the 3rd positioning guide column 42.Corresponding, offer 25 pairs of frameworks 2 of 4 the 3rd positioning pilot holes, 25, the three positioning guide column, 42 penetrable the 3rd positioning pilot holes on the framework 2 and position.In addition, also be fixed with 4 back-up blocks 44 on the side of backing plate 4, back-up block 44 can be used for support frame 2.
Referring to Fig. 4, with cope match-plate pattern 1, framework 2, lower bolster 3 and backing plate 4 stack successively install after, but back-up block 44 bearing frames 2.Backing plate 4 can carry lower bolster 3.When the core rod installation portion 21 control core rods 20 on the framework 2 were in the operating position, the fine positioning guide hole 22 that the fine positioning guide pillar 32 on the lower bolster 3 inserts on the core rod installation portion 21 was accurately located core rod installation portion 21.Simultaneously, between cope match-plate pattern 1, core rod 20, lower bolster 3, form die cavity, be used for moulding bellows 5.
Referring to Fig. 5, as further improvement to the disclosed corrugated pipe forming device of the utility model.This corrugated pipe forming device comprises cope match-plate pattern 1, framework 2, lower bolster 3 and backing plate 4.Wherein, framework 2 comprises four frames and connects wherein core rod 20 locating pieces of two relative frames.Be provided with a plurality of fixed blocks 24 on two frames that core rod 20 locating pieces parallel, be connected with pin 27 between adjacent two fixed blocks 24.Core rod installation portion 21 is sheathed on the pin 27, and core rod installation portion 21 can carry out rotation for axle by pin 27.Be arranged with a core rod installation portion 21 on each pin 27.The quantity of the core rod installation portion 21 that is provided with on the two opposite edges frame is identical.Core rod installation portion 21 is used to install core rod 20.Offer a plurality of core rod 20 locating slots on core rod 20 locating pieces, the quantity of core rod 20 locating slots is identical with the quantity of core rod installation portion 21, and corresponding with the position of core rod 20 after installing, and can position core rod 20.
Offering the holding tank (not shown) with corresponding place, core rod limited block 23 positions on the cope match-plate pattern 1, on lower bolster 3, offering holding tank 35 down with corresponding place, core rod limited block 23 positions.When cope match-plate pattern 1, framework 2, lower bolster 3 and backing plate 4 stacked installation successively, the core rod limited block 23 on the framework 2 can be contained in holding tank and the following holding tank 35.
Identical for cope match-plate pattern 1, lower bolster 3 and backing plate 4 remaining part and annexation each other and the cope match-plate pattern 1 shown in Fig. 1 and Fig. 2, lower bolster 3 with backing plate 4 structures, do not repeat them here.
The use of the disclosed corrugated pipe forming device of the utility model is summarized as follows:
(1), core rod 20 is installed on core rod installation portion 21, and make core rod 20 be in the operating position, a section of core rod 20 is positioned in the core rod stopper slot 26 of core rod limited block 23;
(2), cope match-plate pattern 1, framework 2, lower bolster 3, backing plate 4 are stacked installation successively, and make fine positioning guide pillar 32 insert fine positioning guide hole 22, first positioning guide column 33 is inserted the first location guide pin bushing 12, second positioning guide column 41 inserts last second positioning pilot hole 13 and following second positioning pilot hole, 34, the three positioning guide column 42 are inserted the 3rd positioning pilot hole 25;
(3), corrugated pipe forming device is positioned over annotates in the rubber machine, pour into sizing material from running channel 14, carry out moulding;
(4), after moulding finishes, annotating the rubber machine releases corrugated pipe forming device, die sinking, cope match-plate pattern 1 rises, and the pushing block 6 that is positioned at framework 2 both sides makes framework 2 break away from from lower bolster 3 from going up framework 2 is lifted down, the core rod 20 that operating personnel will be with bellows 5 products produces, and adopt air gun that bellows 5 is carried out the demoulding and handle, bellows 5 products are separated with core rod 20, then with core rod 20 change of team operating positions;
(5), repeat aforesaid operations, all bellows 5 products are all deviate from, core rod 20 is resetted, cope match-plate pattern 1, framework 2, lower bolster 3, backing plate 4 are stacked the forming operation that installation can be carried out next circulation once more.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a corrugated pipe forming device is characterized in that, described corrugated pipe forming device comprises cope match-plate pattern, framework and lower bolster, and described cope match-plate pattern offers upper cavity and lower chamber respectively on the two sides relative with lower bolster; The rotatable core rod installation portion that is provided with on the described framework, described core rod installation portion is used to install core rod; Described framework also comprises the core rod limited block, and described core rod limited block and core rod installation portion are oppositely arranged; Described cope match-plate pattern, framework and lower bolster can stack in turn, cope match-plate pattern is pressed be located on the core rod installation portion that core rod is installed, and upper cavity and lower chamber pass framework and match, and form die cavity between cope match-plate pattern, core rod and lower bolster.
2. corrugated pipe forming device according to claim 1 is characterized in that described framework is provided with a plurality of fixed blocks, is connected with pin between adjacent two fixed blocks, and described core rod installation portion is sheathed on the pin, and can rotate for axle by pin.
3. corrugated pipe forming device according to claim 1 is characterized in that described lower bolster is provided with the fine positioning guide pillar, offers the fine positioning guide hole on the described core rod installation portion; The fine positioning guide pillar can match with the fine positioning guide hole core rod installation portion is positioned.
4. according to any described corrugated pipe forming device among the claim 1-3, it is characterized in that described cope match-plate pattern is provided with a plurality of upper cavities, correspondence is provided with a plurality of lower chambers on the lower bolster; Described framework is provided with the core rod installation portion of corresponding number.
5. corrugated pipe forming device according to claim 1 is characterized in that, also is provided with first positioning guide column on the described lower bolster, and cope match-plate pattern is provided with the first location guide pin bushing; First positioning guide column can match with the first location guide pin bushing cope match-plate pattern and lower bolster are positioned.
6. corrugated pipe forming device according to claim 1, it is characterized in that, described lower bolster below is provided with backing plate, be fixed with second positioning guide column on the described backing plate, on described cope match-plate pattern and the lower bolster respectively correspondence offer second positioning pilot hole and following second positioning pilot hole, described second positioning guide column can penetrate down second positioning pilot hole successively and last second positioning pilot hole is fixed in cope match-plate pattern and lower bolster on the backing plate.
7. corrugated pipe forming device according to claim 6, it is characterized in that, also be fixed with the 3rd positioning guide column on the described backing plate, offer the 3rd positioning pilot hole on the described framework, penetrable the 3rd positioning pilot hole of described the 3rd positioning guide column with frame fixation on backing plate.
8. according to claim 6 or 7 described corrugated pipe forming devices, it is characterized in that described backing plate side also is provided with back-up block, described back-up block can be used for bearing frame.
9. corrugated pipe forming device according to claim 1, it is characterized in that, described framework is provided with the core rod installation portion on the relative both sides, and described core rod limited block is arranged in the middle of the framework, and the core rod installation portion of the relative both sides of framework is positioned at core rod limited block both sides respectively; Offer the core rod stopper slot on the described core rod limited block; Be respectively arranged with holding tank and following holding tank on described cope match-plate pattern and the lower bolster, the position of described upward holding tank and following holding tank is corresponding with the position of core rod limited block.
10. corrugated pipe forming device according to claim 1 is characterized in that, described cope match-plate pattern surface offers running channel, and described running channel is communicated to upper cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206532818U CN202006541U (en) | 2010-12-11 | 2010-12-11 | Corrugated pipe forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206532818U CN202006541U (en) | 2010-12-11 | 2010-12-11 | Corrugated pipe forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202006541U true CN202006541U (en) | 2011-10-12 |
Family
ID=44748202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206532818U Expired - Fee Related CN202006541U (en) | 2010-12-11 | 2010-12-11 | Corrugated pipe forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202006541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601894A (en) * | 2012-03-06 | 2012-07-25 | 安徽奥丰汽车配件有限公司 | Car dustproof cover forming mould |
| CN106808673A (en) * | 2017-03-21 | 2017-06-09 | 东莞星海丰电子有限公司 | Silica gel sheath mould quickly overturns localization method and formation die core switching mechanism |
| CN107199661A (en) * | 2017-07-20 | 2017-09-26 | 重庆恒伟林汽车零部件有限公司 | A kind of automobile manifold type production mould |
-
2010
- 2010-12-11 CN CN2010206532818U patent/CN202006541U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601894A (en) * | 2012-03-06 | 2012-07-25 | 安徽奥丰汽车配件有限公司 | Car dustproof cover forming mould |
| CN106808673A (en) * | 2017-03-21 | 2017-06-09 | 东莞星海丰电子有限公司 | Silica gel sheath mould quickly overturns localization method and formation die core switching mechanism |
| CN106808673B (en) * | 2017-03-21 | 2022-11-01 | 东莞星海丰电子有限公司 | Rapid overturning and positioning method for silica gel sleeve forming die and forming die core overturning mechanism |
| CN107199661A (en) * | 2017-07-20 | 2017-09-26 | 重庆恒伟林汽车零部件有限公司 | A kind of automobile manifold type production mould |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20191211 |