CN202293219U - Downhill pitched roof acceleration core pulling mechanism component in injection mould - Google Patents
Downhill pitched roof acceleration core pulling mechanism component in injection mould Download PDFInfo
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- CN202293219U CN202293219U CN2011204247823U CN201120424782U CN202293219U CN 202293219 U CN202293219 U CN 202293219U CN 2011204247823 U CN2011204247823 U CN 2011204247823U CN 201120424782 U CN201120424782 U CN 201120424782U CN 202293219 U CN202293219 U CN 202293219U
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- descending
- guide post
- oblique top
- slideway
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Abstract
The utility model discloses a downhill pitched roof acceleration core pulling mechanism component capable of realizing downhill of a super-large angle. The component mainly comprises a pitched roof head 7, a pitched roof rod 5, a pitched roof T-shaped block 4, a guide rod 9, a pitched roof seat with a slideway 10, an acceleration guide rod 2 for downhill acceleration and a peripheral auxiliary mechanism. According to the utility model, some potential problems of breakage caused by insufficient strength of the pitched roof, glue shoveling of the pitched roof and the like are avoided by changing the structural form and operation principle of the core pulling mainly aiming at the shortcomings of a common pitched roof core pulling mechanism, the product appearance requirements are improved, the product performance requirements are met, and the problem of large downhill inclination angle of an inverted buckle on the product surface which cannot be solved by a common pitched roof core pulling structure is solved.
Description
Technical field
The utility model relates to a kind of injection mold core-pulling mechanism assembly, and more specifically, the descending that relates in a kind of injection mold tiltedly pushes up acceleration core-pulling mechanism assembly.
Background technology
In the design for Injection Mould process, often run into the situation that plastic products inside has back-off, product can't directly deviate from mould, in this case,, need to adopt suitable oblique top core-pulling mechanism in order to reach the purpose of the smooth demoulding of back-off.If but when the downward-sloping angle in surface or inboard within the travel range that back-off is loosed core, occurring and the situation of shape of product of projection occurring,, damage product for avoiding tiltedly top shovel glue; Just need to adopt the descending ramp-roof structure, because of descending tiltedly pushes up the requirement that must consider the intensity aspect, can not be to the angle of inclination requirement on oblique top above 25 °; Adopt the oblique top of descending the situation of problems such as glue still can occur shoveling for some; Need to adopt the acceleration descending to loose core and tiltedly push up, realize loosing core, satisfy the needs of product.
Referring to Fig. 1, oblique top of the prior art mechanism mainly by oblique top T-shape piece 104, tiltedly top guide pad 103, tiltedly acrosome 102, tiltedly come directly towards 101 etc. and partly form.Wherein, T-shape piece 104 slides in the T-shape groove of ejector retainner plate 107, and tiltedly top guide pad 103 is installed in the bottom of moving platen (B plate) 108, and inclined hole is opened in the centre, cooperates with oblique acrosome 102, and oblique acrosome 102 is play the guiding role.In motion process, the injection machine knock-pin promotes end needle plate 106, and ejector retainner plate 107 receives the direction motion of thrust to moving platen (B plate) 108 with end needle plate 106, and driving tiltedly top mechanism along inclined direction ejects, thereby deviates from the back-off 111 on the goods 110.
Tiltedly push up mechanism in the prior art and have following shortcoming:
The first, common oblique top mechanism rake angle is restricted, and generally is no more than 15 degree, surpasses the more flexible distortion of 15 degree, is difficult to eject smoothly.
The second, for product back-off place, if product surface has downward angle of inclination within the travel range of loosing core, the situation of glue can appear shoveling in common oblique top, and the product surface shovel is hindered product rejection.
The utility model content
To the problems referred to above of the prior art; The utility model provides a kind of and can realize solving product inside and tip upside down on and require on the direction of loosing core down that angle of slope surpasses 30 ° novel core-pulling mechanism assembly; Application through this kind mechanism assembly; Can be good at solving the problem of the difficult moulding of product, also solved the problems referred to above that common oblique top core-pulling mechanism is brought.
The following mode of technical scheme in the utility model realizes:
Descending in a kind of injection mold device tiltedly pushes up and quickens the core-pulling mechanism assembly, and this mechanism assembly comprises oblique top service portion, guide post service portion, descending T type service portion, quickens guide effect portion, the oblique top of descending slideway service portion, wherein,
Tiltedly the top service portion is along the first incline direction setting, and this oblique top service portion is suitable for moving along this first incline direction, and this first incline direction is positioned at first side of vertical direction; This oblique top service portion is suitable for the product back-off and product is ejected;
The guide post service portion is provided with oblique top service portion abreast, increases the intensity of oblique top service portion, and the angle of inclination that makes oblique top service portion to bear increases;
The second end of descending T type service portion and said oblique top service portion links together; Also make said guide post service portion pass this descending T type service portion, and this descending T type service portion can slide with respect to said guide post service portion;
Have the oblique top of descending slideway 10 in the slideway service portion of the oblique top of descending, the cross section of the oblique top of this descending slideway 10 is the T type, is suitable for said descending T type service portion is arranged in this slideway 10 and along this slideway moving;
Quicken guide effect portion along the second incline direction setting; This second incline direction is positioned at second side of vertical direction; This second side and first side are positioned at the both sides of different directions with respect to vertical direction, and second incline direction and first incline direction are positioned at same plane;
Quicken guide effect portion and be set to pass the oblique top of descending slideway service portion, and be arranged so that the oblique top of descending slideway service portion is suitable for quickening relatively guide effect portion and slides.
Further, the oblique top of descending slideway service portion is arranged on the liftout plate of injection mold device.
Further, tiltedly the top service portion comprise angle ejector rod 5, tiltedly come directly towards 7, angle ejector rod slider guide 6, wherein first end of angle ejector rod 5 is fixed together with oblique top 7; Angle ejector rod slider guide 6 is arranged on the position of closing on oblique top 7 on first end of angle ejector rod 5, and this oblique top slider guide 6 is suitable for being fixedly attached on the moving platen of injection mold device so that angle ejector rod 5 is led; Second end of angle ejector rod 5 is fixedly connected on the descending T type parts.
Further, be fixedly connected through screw in second end of angle ejector rod 5 and the descending T type parts; First end of angle ejector rod 5 and oblique top 7 are fixedly connected through wedge; Angle ejector rod slider guide 6 is socketed in first end of angle ejector rod (5) slidably.
Further, angle ejector rod 5 is the bar of circular cross-section; Tiltedly top (7) is designed according to shape of product.。
Further, the guide post service portion comprises guide post 9, guide post first pressing plate 8, guide post second pressing plate 12, and first end of guide post 9 is socketed with guide post first pressing plate 8, and this guide post first pressing plate 8 is suitable for being fixed on the moving platen of injection mold device; Second end of guide post 9 is provided with guide post second pressing plate 12, and this guide post second pressing plate 12 is suitable for second end of guide post 9 is fixedly installed on the base plate in the injection mold device.
Further, descending T type unit comprises T type piece 4, and this T type piece 4 is provided with first accommodation section that is suitable for fixing oblique top service portion, also is provided with to be suitable for second accommodation section that slidably supplies the guide post service portion to pass.
Further, the two sides, bottom surface of T type piece 4 has protuberance, and the longitudinal cross-section that is become is the T type.
Further; The oblique top of descending slideway service portion comprises descending tilted footstock, the oblique top of descending slideway 10 and a pair of slideway pressing plate 11; The oblique top of descending slideway 10 is arranged on the middle part of tilted footstock upper surface, and a pair of slideway pressing plate 11 is pressed in tilted footstock and the oblique top of descending slideway 10 on the liftout plate of injection mold device.
Further; A pair of slideway pressing plate 11 is to be fixedly connected with liftout plate; But the tilted footstock with the oblique top of descending slideway 10 can move horizontally in specific range with respect to this slideway pressing plate 11, thereby makes the oblique top of descending slideway 10 in the liftout plate plane, to move along slideway pressing plate 11.
Further, the oblique top of descending slideway 10 is suitable for T type piece 4 is embedded in this T type groove slidably for being arranged on the T type groove of the inclination on the tilted footstock.
Further, in the T of tilted footstock type groove both sides, have and supply to quicken the accommodation hole that guide effect portion is slidably passed.
Further; Quickening guide effect portion comprises acceleration guide post 2, quickens guide post pressing plate 1, quickens guide post fixed block 3; Wherein quicken guide post fixed block 3 and be socketed in first end that quickens guide post 2, and this acceleration guide post fixed block 3 is suitable for being fixed on the moving platen of injection mold device; Quicken guide post pressing plate 1 and be arranged on second end that quickens guide post, and this acceleration guide post pressing plate 1 is suitable for will speed up guide post and is fixed on the base plate of injection mold device.
Further, this acceleration guide post 2 is a double-rod structure.
Further, the gap between the double-rod structure of this acceleration guide post 2 is suitable for guide post 9 and therefrom passes and do not have any contact.
Further, this cross section of quickening guide post 2 is circular.
Further, the inclination angle size of acceleration guide post 2 guarantees in Xie Ding is loosed core process, not interfere with product.
Further, quicken guide post 2 and pass the oblique top of said descending slideway service portion slidably.
Adopt technique scheme to make and the utlity model has following advantage:
First: the utility model has avoided common oblique top core-pulling mechanism the risk of shovel injured labour article when product has downtilt angles, to occur.
The second, the utility model can effectively solve the excessive oblique top insufficient strength that causes of oblique top rake angle, the risk of angle ejector rod fracture.
The 3rd, the utility model be applicable to that product descending angle of inclination is big or the travel range of loosing core in the bossed situation of product surface, oblique top class is loosed core design more flexible.
Description of drawings
According to embodiment and accompanying drawing the utility model is done further explain below.
Fig. 1 is the sketch map of prior art;
Fig. 2 is the sketch map of oblique top service portion in the utility model;
Fig. 3 is the sketch map of guide post service portion in the utility model;
Fig. 4 is the sketch map of descending T type service portion in the utility model;
Fig. 5 is the sketch map of the oblique top of descending slideway service portion in the utility model;
Fig. 6 is the sketch map that quickens guide effect portion in the utility model;
Fig. 7 is the assembling matching relationship sketch map of each several part in the utility model;
Fig. 8 is the integral body assembling sketch map of each several part among the present invention.
Among the figure:
1, quickens the guide post pressing plate; 2, quicken guide post; 3, quicken the guide post fixed block; 4, descending T type piece; 5, angle ejector rod; 6, angle ejector rod slider guide; 7, tiltedly come directly towards; 8, guide post pressing plate; 9, guide post; 10, the oblique top of two-way descending slideway; 11, slideway pressing plate; 12, guide post pressing plate;
101, tiltedly come directly towards; 102, oblique acrosome; 103, oblique top guide pad; 104, tiltedly push up T type piece; 105, base plate; 106, end needle plate; 107, ejector retainner plate; 108, moving platen; 109, insert; 110, product; 111, back-off.
The specific embodiment
Shown in Fig. 2 to 8; Provided the utility model and can realize that the oblique top of super large angle descending quickens specific embodiment of core-pulling mechanism assembly; Its chief component comprises: tiltedly come directly towards 7, angle ejector rod 5, tiltedly push up T type piece 4, guide post 9, have slideway 10 tilted footstock, quicken acceleration guide post 2 and peripheral auxiliary body that descending is used, this periphery auxiliary body comprises and quickens guide post pressing plate 1, quickens guide post fixed block 3, angle ejector rod slider guide 6, guide post pressing plate 8, slideway pressing plate 11, guide post pressing plate 12.
Wherein, The first end of angle ejector rod 5 and oblique top 7 are fixed together through wedge, and this angle ejector rod 5 is preferably the bar of circular cross-section, tiltedly come directly towards 7 shape, structure and design according to the shape of product; Make the shape of itself and product be complementary, for example can be the square column structure.
First end on angle ejector rod 5 also is provided with the angle ejector rod slider guide 6 that is used to lead, and its connected mode is preferably slidably socket, and this angle ejector rod slider guide 6 is fixed on the moving platen of injection mold device; , the second end of angle ejector rod 5 is connected with descending T type piece 4; Angle ejector rod 5 is positioned at first side of vertical direction.
On the slideway 11 that descending T type piece 4 is arranged on the tilted footstock; The second end of angle ejector rod 5, T type piece 4 are fixedly connected through screw and are integral.The both sides, bottom surface of this descending T type piece 4 have the part of protrusion, and integral body is T type cross section, are complementary with the oblique top of descending slideway 11, are suitable for being embedded in the slide groove.
The first end of guide post 9 is provided with guide post pressing plate 8, and its connected mode is preferably socket; Guide post pressing plate 8 is used for first end of guide post 9 is fixed to the moving platen bottom surface of injection mold device; The second end is provided with guide post pressing plate 12, and this guide post pressing plate 12 is used for this guide post 9 is fixed on the base plate of injection mold device; Guide post 9 is used to increase the intensity of oblique top service portion, and the angle of inclination that makes oblique top service portion to bear increases, and prevents that push rod is crooked.
The T type groove of slideway 10 for tilting on the tilted footstock is suitable for T type piece 4 slidably is mounted in this T type groove, makes this T type piece 4 to slide along slideway 10.Second accommodation section that T type piece 4 is provided with first accommodation section that can hold angle ejector rod 5 and is used to hold guide post 9, above-mentioned accommodation section is preferably the hole.Wherein be provided with screw in first accommodation section, second accommodation section is a through hole.
The tilted footstock that a pair of slideway pressing plate 11 will have slideway 10 is pressed on the liftout plate of injection mold device; Wherein, A pair of slideway pressing plate 11 is to be fixedly connected with liftout plate; But the tilted footstock with the oblique top of descending slideway 10 can move horizontally in specific range with respect to this slideway pressing plate 11, thereby makes the oblique top of descending slideway (10) in the liftout plate plane, to move along slideway pressing plate (11).The oblique top of descending slideway (10) is arranged on the middle part of tilted footstock upper surface.
Slideway 10 is identical with the horizontal direction angulation with 10 contacted in slideway (the T profile of bottom surface protrusion) with horizontal direction angulation and T type piece 4, makes a upper surface of this T type piece 4 to remain in the horizontal plane.
The first end that quickens guide post 2 is provided with and quickens guide post fixed block 3, and this acceleration guide post fixed block 3 will speed up the moving platen bottom surface that guide post 2 is fixed on the injection mold device; The second end is fixed on the base plate of injection mold device through quickening guide post pressing plate 1; Quicken second side that guide post 2 is positioned at vertical direction, first side and second side are positioned on the opposite direction with respect to vertical direction.
This quickens guide post 2 is double-rod structure, is that circular cylinder forms by two cross sections.Gap therebetween is suitable for guide post 9 and therefrom passes and do not have any contact.
In the T of tilted footstock type groove slideway 10 both sides, have and supply to quicken two holes that guide post slidably passes.
Tiltedly top acceleration core-pulling mechanism assembly is effect like this:
When the mould die sinking; At first solid plate and moving platen at product die joint place separately, liftout plate begins to drive each mechanism product is ejected then, in the process of ejecting; The oblique top of descending slideway 10 drives oblique top service portion and moves along the die sinking direction of mould with liftout plate; Because the oblique top of descending slideway 10 receives the driving of quickening guide post 2 oppositions, there is one to order about the oblique top of descending slideway 10 to the counter motion of loosing core with respect to the oblique top opposite power of the direction of motion, this has also just quickened the amplitude that oblique top moves downward; Be equivalent to give the angle of inclination motion of the about twice in oblique top; Thereby make oblique top can deviate from product back-off position smoothly, avoid shoveling the generation of problems such as glue, guarantee the presentation quality of product.
The utility model is primarily aimed at the shortcoming of common oblique top core-pulling mechanism; The version and the operating principle of loosing core through change; Avoid the insufficient strength fracture of oblique top and tiltedly pushed up some potential problems such as shoveling glue; And improved the product appearance requirement, and satisfied the performance of products requirement, solved the common oblique top product surface back-off place big problem in descending angle of inclination that the structure method solves of loosing core.
What need statement is; The above-mentioned specific embodiment only is preferred embodiment and institute's application technology principle of the utility model; In technical scope disclosed in the utility model; Any variation that the technical staff expected easily or replacement of being familiar with the present technique field all should be encompassed in the protection domain of the utility model.
Claims (17)
1. the descending in the injection mold device tiltedly pushes up and quickens the core-pulling mechanism assembly, and this mechanism assembly comprises oblique top service portion, guide post service portion, descending T type service portion, quickens guide effect portion, the oblique top of descending slideway service portion, wherein,
Tiltedly the top service portion is along the first incline direction setting, and this oblique top service portion is suitable for moving along this first incline direction, and this first incline direction is positioned at first side of vertical direction; This oblique top service portion is suitable for product back-off position and product is ejected;
The guide post service portion is provided with oblique top service portion abreast;
The second end of descending T type service portion and said oblique top service portion links together; Also make said guide post service portion pass this descending T type service portion, and this descending T type service portion can slide with respect to said guide post service portion;
Have the oblique top of descending slideway (10) in the slideway service portion of the oblique top of descending, the cross section of the oblique top of this descending slideway (10) is the T type, is suitable for said descending T type service portion is arranged in this slideway (10) and along this slideway moving;
Quicken guide effect portion along the second incline direction setting; This second incline direction is positioned at second side of vertical direction; This second side and first side are positioned at the both sides of different directions with respect to vertical direction, and second incline direction and first incline direction are positioned at same plane;
Quicken guide effect portion and be set to pass the oblique top of descending slideway service portion, and be arranged so that the oblique top of descending slideway service portion is suitable for quickening relatively guide effect portion and slides.
2. descending according to claim 1 tiltedly pushes up acceleration core-pulling mechanism assembly, it is characterized in that, tiltedly the top service portion comprises angle ejector rod (5), tiltedly comes directly towards (7), angle ejector rod slider guide (6), and wherein first end of angle ejector rod (5) is fixed together with oblique top (7); Angle ejector rod slider guide (6) is arranged on the position of closing on oblique top (7) on first end of angle ejector rod (5), and this oblique top slider guide (6) is suitable for being fixedly attached on the moving platen of injection mold device so that angle ejector rod (5) is led; Second end of angle ejector rod (5) is fixedly connected on the descending T type parts.
3. descending according to claim 2 tiltedly pushes up and quickens the core-pulling mechanism assembly, it is characterized in that, is fixedly connected through screw in second end of angle ejector rod (5) and the descending T type parts; First end of angle ejector rod (5) is fixedly connected through wedge with oblique top (7); Angle ejector rod slider guide (6) is socketed in first end of angle ejector rod (5) slidably.
4. tiltedly push up acceleration core-pulling mechanism assembly according to claim 2 or 3 described descendings, it is characterized in that angle ejector rod (5) is the bar of circular cross-section; Tiltedly top (7) is designed according to shape of product.
5. descending according to claim 1 tiltedly pushes up and quickens the core-pulling mechanism assembly; It is characterized in that; The guide post service portion comprises guide post (9), guide post first pressing plate (8), guide post second pressing plate (12); First end of guide post (9) is socketed with guide post first pressing plate (8), and this guide post first pressing plate (8) is suitable for being fixed on the moving platen of injection mold device; Second end of guide post (9) is provided with guide post second pressing plate (12), and this guide post second pressing plate (12) is suitable for second end of guide post (9) is fixedly installed on the base plate in the injection mold device.
6. descending according to claim 1 tiltedly pushes up and quickens the core-pulling mechanism assembly; It is characterized in that; Descending T type unit comprises T type piece (4); This T type piece (4) is provided with first accommodation section that is suitable for fixing oblique top service portion, also is provided with to be suitable for second accommodation section that slidably supplies the guide post service portion to pass.
7. descending according to claim 6 tiltedly pushes up and quickens the core-pulling mechanism assembly, it is characterized in that the two sides, bottom surface of T type piece (4) has protuberance, and the longitudinal cross-section that is become is the T type.
8. descending according to claim 1 tiltedly pushes up and quickens the core-pulling mechanism assembly; It is characterized in that; The oblique top of descending slideway service portion comprises descending tilted footstock, the oblique top of descending slideway (10) and a pair of slideway pressing plate (11); The oblique top of descending slideway (10) is arranged on the middle part of tilted footstock upper surface, and a pair of slideway pressing plate (11) is pressed in tilted footstock and the oblique top of descending slideway (10) on the liftout plate of injection mold device.
9. descending according to claim 8 tiltedly pushes up and quickens the core-pulling mechanism assembly; It is characterized in that; Slideway pressing plate (11) is to be fixedly connected with liftout plate; But the tilted footstock with the oblique top of descending slideway (10) can move horizontally in specific range with respect to this slideway pressing plate (11), thereby makes the oblique top of descending slideway (10) in the liftout plate plane, to move along slideway pressing plate (11).
10. descending according to claim 8 tiltedly pushes up and quickens the core-pulling mechanism assembly, it is characterized in that, the oblique top of descending slideway (10) is suitable for T type piece (4) is embedded in this T type groove slidably for being arranged on the T type groove of the inclination on the tilted footstock.
Quicken the core-pulling mechanism assembly 11. descending according to claim 9 tiltedly pushes up, it is characterized in that,, have and supply to quicken the accommodation hole that guide effect portion is slidably passed in the T of tilted footstock type groove both sides.
12. tiltedly pushing up, descending according to claim 1 quickens the core-pulling mechanism assembly; It is characterized in that; Quickening guide effect portion comprises acceleration guide post (2), quickens guide post pressing plate (1), quickens guide post fixed block (3); Wherein quicken guide post fixed block (3) and be socketed in first end that quickens guide post (2), and this acceleration guide post fixed block (3) is suitable for being fixed on the moving platen of injection mold device; Quicken guide post pressing plate (1) and be arranged on second end that quickens guide post, and this acceleration guide post pressing plate (1) is suitable for will speed up guide post and is fixed on the base plate of injection mold device.
Quicken the core-pulling mechanism assembly 13. descending according to claim 12 tiltedly pushes up, it is characterized in that, this quickens guide post (2) is double-rod structure.
Quicken the core-pulling mechanism assembly 14. descending according to claim 13 tiltedly pushes up, it is characterized in that, the gap between the double-rod structure of this acceleration guide post (2) is suitable for guide post (9) and therefrom passes and do not have any contact.
Quicken the core-pulling mechanism assembly 15. descending according to claim 12 tiltedly pushes up, it is characterized in that, this cross section of quickening guide post (2) is circular.
Quicken the core-pulling mechanism assembly 16. descending according to claim 12 tiltedly pushes up, it is characterized in that, the inclination angle size of quickening guide post (2) guarantees in Xie Ding is loosed core process, not interfere with product.
Quicken the core-pulling mechanism assembly 17. descending according to claim 12 tiltedly pushes up, it is characterized in that, quicken guide post (2) and pass the oblique top of said descending slideway service portion slidably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204247823U CN202293219U (en) | 2011-10-31 | 2011-10-31 | Downhill pitched roof acceleration core pulling mechanism component in injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204247823U CN202293219U (en) | 2011-10-31 | 2011-10-31 | Downhill pitched roof acceleration core pulling mechanism component in injection mould |
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| Publication Number | Publication Date |
|---|---|
| CN202293219U true CN202293219U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204247823U Expired - Lifetime CN202293219U (en) | 2011-10-31 | 2011-10-31 | Downhill pitched roof acceleration core pulling mechanism component in injection mould |
Country Status (1)
| Country | Link |
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| CN (1) | CN202293219U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363352A (en) * | 2011-10-31 | 2012-02-29 | 青岛海尔模具有限公司 | Down-slope oblique jacking accelerating core pulling mechanism assembly in injection mold |
| CN104526992A (en) * | 2014-12-27 | 2015-04-22 | 宁海县第一注塑模具有限公司 | Joint pitched roof core pulling device reversely buckled in narrow position of injection mold |
| CN114393794A (en) * | 2022-01-20 | 2022-04-26 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
-
2011
- 2011-10-31 CN CN2011204247823U patent/CN202293219U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363352A (en) * | 2011-10-31 | 2012-02-29 | 青岛海尔模具有限公司 | Down-slope oblique jacking accelerating core pulling mechanism assembly in injection mold |
| CN104526992A (en) * | 2014-12-27 | 2015-04-22 | 宁海县第一注塑模具有限公司 | Joint pitched roof core pulling device reversely buckled in narrow position of injection mold |
| CN104526992B (en) * | 2014-12-27 | 2017-01-11 | 宁海县第一注塑模具有限公司 | Joint pitched roof core pulling device reversely buckled in narrow position of injection mold |
| CN114393794A (en) * | 2022-01-20 | 2022-04-26 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
| CN114393794B (en) * | 2022-01-20 | 2024-03-22 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
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Effective date of registration: 20210119 Address after: 266101 Haier Road, Qingdao hi tech Industrial Park, Shandong Province (inside Haier Industrial Park) Patentee after: QINGDAO HAIER MOLDS Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, hi tech park, Laoshan District, Shandong, Qingdao Patentee before: QINGDAO HAIER MOLDS Co.,Ltd. Patentee before: HAIER GROUP Co.,Ltd. |
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Granted publication date: 20120704 |
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| CX01 | Expiry of patent term |