CN202264362U - Oil cylinder core-pulling mechanism for preventing injection molding retraction and mold - Google Patents
Oil cylinder core-pulling mechanism for preventing injection molding retraction and mold Download PDFInfo
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- CN202264362U CN202264362U CN2011203972609U CN201120397260U CN202264362U CN 202264362 U CN202264362 U CN 202264362U CN 2011203972609 U CN2011203972609 U CN 2011203972609U CN 201120397260 U CN201120397260 U CN 201120397260U CN 202264362 U CN202264362 U CN 202264362U
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- oil cylinder
- slide block
- injection moulding
- loose core
- bullet piece
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Abstract
The utility model provides an oil cylinder core-pulling mechanism for preventing injection molding retraction and a mold, which belong to the technical field of plastic processing and are designed for solving the problem of easiness in interacting with other structures due to retraction caused by excessive pressure during injection molding of the oil cylinder core-pulling mechanism and overlarge occupied area. The oil cylinder core-pulling mechanism for preventing injection molding retraction comprises an oil cylinder, wherein the oil cylinder is connected with a fixing block through a connecting rod; both sides of the front end of the fixing block protrude; the fixing block is correspondingly arranged in a groove on one side of the slide block; limiting bumps extending into the inside of the groove are arranged on the edges of the groove and the slide block; a gap exists between a bump of the fixing block and each limiting bump; the other end of the slide block is connected with a slide block insert; a recess is formed at the bottom of the front end of the fixing block; one side of the recess which is far away from the fixing block is an inclined plane; an elastic block is arranged corresponding to the recess; the front end of the elastic block is contacted with the slide block; and the lower surface of the elastic block is provided with a spring.
Description
Technical field
The utility model relates to field of plastics processing, relates in particular to a kind of loose core of oil cylinder mechanism and mould that can prevent effectively that injection moulding from shrinking back.
Background technology
Injection machine is that equipment commonly used is gone up in industry, through thermoplastic injected plastic mould being processed the plastic products of different shape.
When using injection machine to carry out the goods injection moulding, the loose core of oil cylinder mechanism through front end band glue position forms through hole or groove on injection-molded item.For injection machine, the mould of this injection machine is provided with loose core of oil cylinder mechanism, and the slide block mold insert of loosing core is connected with slide block, this slide block be arranged at the slide rail of locking on the slide block and be connected; One end of this locking slide block is connected with the connecting rod of oil cylinder.Under the effect of said oil cylinder, said locking slide block drives said slide block and retreats, thereby extracts said slide block mold insert out.
When the goods injection moulding; Briquetting pressure is excessive during because of injection moulding, the situation that can cause the slide block mold insert to occur retreating, and this moment, thermoplastic flowed into the pairing part of said slide block mold insert; Thereby cause the formation injection-molded item can't form through hole or groove, produce the bad problem of goods; And the parts of this loose core of oil cylinder mechanism move along the horizontal plane of mould, and it is bigger that the table that takies mould is buckled the space, is difficult to avoid the interference for the water route on the mould and other elements.
The utility model content
The embodiment of the utility model provides a kind of loose core of oil cylinder mechanism and mould that can prevent effectively that injection moulding from shrinking back.
For achieving the above object, the embodiment of the utility model adopts following technical scheme:
The loose core of oil cylinder mechanism that a kind of anti-injection moulding is shunk back comprises oil cylinder, and this oil cylinder is connected these fixed block front end two lateral processes through connecting rod with fixed block; Said fixed block is corresponding to be arranged in the groove of slide block one side, is provided with the restriction protrusion of extending to said inside grooves at this groove and said shoe edge; There is the gap between the projection of said fixed block and said restriction protrusion; The other end of said slide block is connected with the slide block mold insert; Be provided with a depression in this fixed block front end bottom, this depression is the inclined-plane away from fixed block one side; Adapting with this depression is provided with the bullet piece, and the front end of this bullet piece contacts with slide block; Lower surface at said bullet piece is provided with spring.
Loose core of oil cylinder mechanism and mould that the anti-injection moulding that the utility model embodiment provides is shunk back; When carrying out injection moulding, this loose core of oil cylinder mechanism is arranged in the mould, through the slip of bullet piece restriction slide block; Thereby prevented in the injection moulding process problem that the slide block mold insert that occurs because of injection moulding power is excessive is retreated; The said structure of loosing core adopts direct-drawing type, and the die surface space that takies is less, thereby has effectively avoided the interference for the water route on the mould and other elements.
Description of drawings
The disassembly diagram of the loose core of oil cylinder mechanism that Fig. 1 shrinks back for the utility model embodiment 1 described anti-injection moulding;
The assembly drawing of the loose core of oil cylinder mechanism that Fig. 2 shrinks back for the utility model embodiment 1 described anti-injection moulding;
Fig. 3 comprises the cutaway view of inactive state of the mould of the loose core of oil cylinder mechanism that anti-injection moulding shrinks back for the utility model embodiment 1 is described;
Cutaway view when Fig. 4 comprises the compression bullet piece of mould of the loose core of oil cylinder mechanism that anti-injection moulding shrinks back for the utility model embodiment 1 is described;
Cutaway view when Fig. 5 is loosed core for the utility model embodiment 1 described completion that comprises the mould of the loose core of oil cylinder mechanism that prevents that injection moulding is shunk back;
Fig. 6 is the utility model embodiment 2 described cutaway views that comprise the mould of the loose core of oil cylinder mechanism that prevents that injection moulding is shunk back;
The slide block holder of the loose core of oil cylinder mechanism that Fig. 7 shrinks back for the utility model embodiment 2 described anti-injection mouldings and the disassembly diagram of dependency structure;
The disassembly diagram that the slide block holder of the loose core of oil cylinder mechanism that Fig. 8 shrinks back for the utility model embodiment 3 described anti-injection mouldings cooperates with bullet piece and spring;
The disassembly diagram that the slide block of the loose core of oil cylinder mechanism that Fig. 9 shrinks back for the described anti-injection moulding of the utility model and slide block mold insert cooperate.
The specific embodiment
The loose core of oil cylinder mechanism that anti-injection moulding is shunk back to the utility model embodiment is described in detail below in conjunction with accompanying drawing.
Should be clear and definite, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The loose core of oil cylinder mechanism that a kind of anti-injection moulding is shunk back, (A direction be the place ahead to) as shown in Figure 1 comprises oil cylinder 1, this oil cylinder 1 is connected with fixed block 2 through connecting rod 100; This oil cylinder 1 is connected with fixed block 2, these fixed block 2 front ends two lateral processes; Said fixed block 2 is corresponding to be arranged in the groove 300 of slide block 3 one sides, is provided with the restriction protrusion 301 of extending to said inside grooves at this groove 300 and said slide block 3 edges; There are the gap in 301 of the projection of said fixed block 2 and said restriction protrusion; The other end of said slide block 3 is connected with slide block mold insert 4; Be provided with a depression 200 in these fixed block 2 front bottom end, this depression 200 is inclined-plane 201 away from fixed block 2 one sides; Adapting with this depression 200 is provided with bullet piece 5, and the front end of this bullet piece 5 contacts with slide block 3; Lower surface at said bullet piece 5 is provided with spring 6.After combination is accomplished, as shown in Figure 2.
As shown in Figure 3, the loose core of oil cylinder mechanism that said anti-injection moulding is shunk back is positioned in the mould 7, and wherein said oil cylinder 1 is fixed on the mould 7; Bullet piece 5 snaps in the depression 200 of fixed block 2 lower ends, and is placed in behind the pressuring spring 6 in the storage tank 700 on the mould 7, and the front end of bullet piece 5 and fixed block 2 props up the front end face in slide block 3 grooves respectively.
When using 7 pairs of plastic products of this mould to carry out injection moulding, the main burner of injection machine is linked to each other with the sprue bush of mould 7, the main burner through injection machine injects thermoplastic in mould 7, in mould 7, carry out the moulding of plastic products.When thermoplastic injects mould 7; Because of injection moulding power is bigger, can make slide block mold insert 4 receive power backward, at this moment; Two sides through storage tank 700 are to the restriction of bullet piece 5; The front end of bullet piece 5 is reinforced slide block 3, prevented because of injection moulding power is excessive slide block mold insert 4 to be shunk back in the injection moulding process, avoid plastic products the goods condition of poor to occur.
After injection moulding was accomplished, as shown in Figure 4, oil cylinder 1 traction and fixation piece 2 moved to oil cylinder 1 direction; Because of there is inclined-plane 201 in the groove 200 of fixed block 2 belows,, oil cylinder 1 oppresses bullet piece 5 when moving at fixed block 2; Bullet piece 5 compression springs 6 make the upper surface of bullet piece 5 be lower than the storage tank 700 of mould 7, even bullet piece 5 is placed in the storage tank fully.When the projection of fixed block 2 front end both sides contacts with the restriction protrusion 301 of slide block 3 rear ends; As shown in Figure 5; Said oil cylinder 1 can drive slide block 3 and rearward move with slide block mold insert 4, makes slide block mold insert 4 withdraw from injection molding cavity, accomplishes the loose core of oil cylinder in the injection moulding process of plastic products then.
Loose core of oil cylinder mechanism and mould that the anti-injection moulding that the utility model embodiment provides is shunk back; When carrying out injection moulding, this loose core of oil cylinder mechanism is arranged on the mould, through the slip of bullet piece restriction slide block; Thereby prevented in the injection moulding process problem that the slide block mold insert that occurs because of injection moulding power is excessive is retreated; The said structure of loosing core adopts direct-drawing type, and the die surface space that takies is less, thereby has effectively avoided the interference for the water route on the mould and other elements.
1 described anti-injection moulding is shunk back according to embodiment loose core of oil cylinder mechanism and mould need be processed corresponding grooves on mould, but the difficulty of directly on mould, processing is bigger, and the later stage mould is difficult in maintenance.。
For solving above-mentioned two problems, further, as shown in Figure 6, the loose core of oil cylinder mechanism that described anti-injection moulding is shunk back also comprises oil cylinder holder 8; Said connecting rod 100 passes said oil cylinder holder 8, and said oil cylinder 1 is fixed on the said oil cylinder holder 8; Said connecting rod 100 is provided with cylinder connector 101, and this cylinder connector 101 is sticked in the connection groove of fixed block 2 rear ends.
When preventing the connection of the loose core of oil cylinder mechanism that injection moulding is shunk back, connecting rod 100 is passed oil cylinder holder 8, and on this connecting rod 100, place cylinder connector 101; After connecting completion, cylinder connector 101 is engaged with the groove that is connected of fixed block 2 rear ends; Engaging is inserted said fixed block 2 in the groove of slide block 3 after accomplishing; Be positioned in the storage tank on the mould 7 after making said bullet piece 5 compression springs 6; After making fixed block 2 and bullet piece 5 matching, said oil cylinder holder 8 is vertically fixed on the mould 7, accomplishes the connection of the loose core of oil cylinder mechanism that prevents that injection moulding is shunk back.
Engage through the groove that is connected of cylinder connector 101 with fixed block 2 rear ends; And then oil cylinder 1 is connected with fixed block 2; Make the installation and removal of oil cylinder 1 and fixed block 2 convenient; Thereby reduced the loose core of oil cylinder mechanism that anti-injection moulding shrinks back and the difficulty of processing of mould, and made mould be easy to safeguard.
For fixed block 2 is supported; Prevent that fixed block 2 from moving in vertical direction, further, at said oil cylinder holder 8 front ends; Be provided with the brace groove 800 that adapts with said fixed block 2 rear ends, said fixed block 2 rear end downsides place the upper surface of said brace groove 800.The upper surface of brace groove 800 is supported oil cylinder holder 8, thereby prevents that in the vertical mobile of fixed block 2 from making this fixed block 2 slippages, and the upper surface of said brace groove 800 is supported laterally moving of fixed block 2.
When the loose core of oil cylinder mechanism that said anti-injection moulding is shunk back is positioned in the mould; Need on mould, make the storage tank that is used for ccontaining bullet piece and spring; But directly on mould, carry out the process that this operation has increased Mold Making, and in the process that the loose core of oil cylinder mechanism that anti-injection moulding is shunk back installs, also can make troubles.
For addressing the above problem, further, as shown in Figure 7, the loose core of oil cylinder mechanism that described anti-injection moulding is shunk back also comprises slide block holder 9; Said bullet piece 5 is placed in the bullet piece groove on the slide block holder 9 with spring 6; Said slide block 3 is positioned on the slide block holder 9.
When the loose core of oil cylinder mechanism that said anti-injection moulding shrinks back is installed, is positioned in the bullet piece groove of slide block holder 9 after can making bullet piece 5 compression springs 6, and slide block 3 cooperated with fixed block 2 is positioned on the slide block holder 9; And the slide block holder 9 that will be equipped with bullet piece 5, spring 6, slide block 3 and fixed block again is fixed on the mould 7, in the time of fixedly, can slide block holder 9 be fixed on the mould 7 through screw.
Through slide block holder 9 being set for said bullet piece 5, spring 6, slide block 3 and fixed block 2; The loose core of oil cylinder mechanism that said anti-injection moulding is shunk back carries out unified installation, thus mould easier for installation that makes the loose core of oil cylinder mechanism that anti-injection moulding shrinks back and use the loose core of oil cylinder mechanism that this anti-injection moulding shrinks back.
Further, the loose core of oil cylinder mechanism that said anti-injection moulding is shunk back also comprises slide block pressing plate 10, and this slide block pressing plate 10 is fixed in slide block holder 9 both sides; Be provided with limit sliding chutes 1000 in said slide block pressing plate 10 inboards and adapt with this limit sliding chutes 1000, said slide block 3 both sides also include slide guide bar 302.
Through the slide guide bar 302 on limit sliding chutes 1000 on the said slide block pressing plate 10 and the slide block 3 that adapts with it; The position of 10 pairs of slide blocks 3 of slide block pressing plate is limited, occur the situation of skew on the direction that prevents in the process of action of loosing core, to cause slide block 3 loosing core.
Because of said bullet piece can carry out moving on the vertical direction under the effect of spring, be difficult to guarantee the reliability of bullet piece motion.
For solving the spacing problem of bullet piece, further as shown in Figure 8, be provided with spacing hole 500 in said bullet piece 5 sides; Adapt with this spacing hole 500, be provided with fixing hole 901 in said slide block holder 9 sides; In said spacing hole 500 and said fixing hole 901, be provided with pin 11, the height of said spacing hole 500 or said fixing hole 901 is greater than the diameter of pin 11.
In installation process, be positioned in the bullet piece groove 900 of slide block holder 9 behind the said bullet piece 5 compression springs 6; With the fixing hole 901 on the said pin 11 insertion slide block holders 9 and the spacing hole 500 of bullet piece 5 sides.In the process of loosing core, fixed block 2 moves to oil cylinder 1 direction, under the effect on inclined-plane, fixed block 2 lower end 201, bullet piece 5 is moved down and compresses spring 6; When the upper surface of bullet piece 5 spacing holes 500 with after said pin 11 contacts, bullet piece 5 stops, spring 6 stops compression simultaneously; After completion was loosed core, fixed block 2 was away from oil cylinder 1, and this moment, spring 6 recovered original length, and bullet piece 5 is lifted along with fixed block 2 moves; The upper surface of this bullet piece 5 recovers to cooperate with the lower end groove 200 of fixed block 2; At this moment, the lower surface of the spacing hole 500 of bullet piece 5 contacts with pin 11, and pin 11 restriction bullet pieces 5 continue to move up.
Through spacing hole and pin are set on the bullet piece, the moving range of bullet piece are limited, thereby guaranteed the reliability of bullet piece motion.
Of embodiment 1-3; Using mould to carry out in the injection moulding process of plastic products; On plastic products, form various structures through loosing core of slide block mold insert, also inequality according to the shape of the needed slide block mold insert of the needs of different plastic products, need freely change the slide block mold insert.
So further, as shown in Figure 9, said slide block mold insert 4 is sticked in the mold insert groove 303 of said slide block 3 other ends.
In the process of installing, can an end of slide block mold insert 4 be sticked in the mold insert groove 303 of slide block 3, freely change slide block mold insert 4 with this according to needed structure difference on the plastic products.
Corresponding with the loose core of oil cylinder mechanism that said anti-injection moulding is shunk back, the utility model also provides a kind of mould, and this mould comprises the loose core of oil cylinder mechanism that the described anti-injection moulding of embodiment 1-4 is shunk back.
Loose core of oil cylinder mechanism and mould that the anti-injection moulding that the utility model embodiment provides is shunk back; When carrying out injection moulding, this loose core of oil cylinder mechanism is arranged on the mould, through the slip of bullet piece restriction slide block; Thereby prevented in the injection moulding process problem that the slide block mold insert that occurs because of injection moulding power is excessive is retreated; The said structure of loosing core adopts direct-drawing type, and the die surface space that takies is less, thereby has effectively avoided the interference for the water route on the mould and other elements.
The above; Be merely the specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field can expect changing or replacement in the technical scope that the utility model discloses easily, all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion by said protection domain with claim.
Claims (7)
1. the loose core of oil cylinder mechanism that anti-injection moulding is shunk back comprises oil cylinder, it is characterized in that, this oil cylinder is connected these fixed block front end two lateral processes through connecting rod with fixed block; Said fixed block is corresponding to be arranged in the groove of slide block one side, is provided with the restriction protrusion of extending to said inside grooves at this groove and said shoe edge; There is the gap between the projection of said fixed block and said restriction protrusion; The other end of said slide block is connected with the slide block mold insert; Be provided with a depression in this fixed block front end bottom, this depression is the inclined-plane away from fixed block one side; Adapting with this depression is provided with the bullet piece, and the front end of this bullet piece contacts with slide block; Lower surface at said bullet piece is provided with spring.
2. the loose core of oil cylinder mechanism that anti-injection moulding according to claim 1 is shunk back is characterized in that, also comprises the oil cylinder holder; Said connecting rod passes said oil cylinder holder, and said oil cylinder is fixed on the said oil cylinder holder; Said connecting rod is provided with cylinder connector, and this cylinder connector is sticked in the connection groove of fixed block rear end.
3. the loose core of oil cylinder mechanism that anti-injection moulding according to claim 1 is shunk back is characterized in that, also comprises the slide block holder; Said bullet piece and spring are placed in the bullet piece groove on the slide block holder; Said slide block is positioned on the slide block holder.
4. the loose core of oil cylinder mechanism that anti-injection moulding according to claim 3 is shunk back is characterized in that, also comprises the slide block pressing plate, and this slide block pressing plate is fixed in slide block holder both sides; Be provided with limit sliding chutes in said slide block pressing plate inboard; Adapt with this limit sliding chutes, said slide block both sides also include the slide guide bar.
5. the loose core of oil cylinder mechanism that anti-injection moulding according to claim 3 is shunk back is characterized in that, is provided with spacing hole in said bullet piece side; Adapt with this spacing hole, be provided with fixing hole in said slide block holder side; In said spacing hole and said fixing hole, be provided with pin, the height of said spacing hole or said fixing hole is greater than the diameter of pin.
6. the loose core of oil cylinder mechanism that anti-injection moulding according to claim 1 is shunk back is characterized in that, said slide block mold insert is sticked in the mold insert groove of the said slide block other end.
7. a mould is characterized in that, said mould comprises the loose core of oil cylinder mechanism that the described anti-injection moulding of claim 1-6 is shunk back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203972609U CN202264362U (en) | 2011-10-18 | 2011-10-18 | Oil cylinder core-pulling mechanism for preventing injection molding retraction and mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203972609U CN202264362U (en) | 2011-10-18 | 2011-10-18 | Oil cylinder core-pulling mechanism for preventing injection molding retraction and mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202264362U true CN202264362U (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203972609U Expired - Lifetime CN202264362U (en) | 2011-10-18 | 2011-10-18 | Oil cylinder core-pulling mechanism for preventing injection molding retraction and mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202264362U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341956B (en) * | 2013-06-24 | 2015-05-20 | 宁波方正汽车模具有限公司 | External stroke limit device with built-in core pulling oil cylinder |
| CN105415619A (en) * | 2014-09-22 | 2016-03-23 | 宁波东昊汽车部件有限公司 | Oil cylinder receding prevention device for core-pulling mechanism of injection mold |
| CN105729734A (en) * | 2016-04-29 | 2016-07-06 | 宁海金辉模塑有限公司 | Retreating prevention mechanism for internal-pulling slide block |
| CN106696220A (en) * | 2016-12-05 | 2017-05-24 | 盐城市步高汽配制造有限公司 | Mold oil cylinder core-pulling sliding block retaining circuit used in injection process of injection molding machine |
| CN106696205A (en) * | 2017-03-28 | 2017-05-24 | 台州市黄岩西诺模具有限公司 | Self-locking type slide block core-pulling mechanism |
| CN108454032A (en) * | 2017-02-22 | 2018-08-28 | 上海信羽电子科技有限公司 | Mould core pulling retreating prevention mechanism and mold |
| CN109648804A (en) * | 2019-02-22 | 2019-04-19 | 南方佛吉亚汽车部件有限公司 | A kind of injection mold sliding block anti-back structure |
| CN110421796A (en) * | 2019-08-27 | 2019-11-08 | 厦门新倍鑫模具有限公司 | A kind of mould secondary pulled core structure of substitution sliding block hinge dental structure |
| CN110757742A (en) * | 2019-11-04 | 2020-02-07 | 广东博智林机器人有限公司 | Moving die driving device |
| CN111730826A (en) * | 2020-07-23 | 2020-10-02 | 宁波方正汽车模具股份有限公司 | Demoulding mechanism and injection mold with same |
-
2011
- 2011-10-18 CN CN2011203972609U patent/CN202264362U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341956B (en) * | 2013-06-24 | 2015-05-20 | 宁波方正汽车模具有限公司 | External stroke limit device with built-in core pulling oil cylinder |
| CN105415619A (en) * | 2014-09-22 | 2016-03-23 | 宁波东昊汽车部件有限公司 | Oil cylinder receding prevention device for core-pulling mechanism of injection mold |
| CN105729734A (en) * | 2016-04-29 | 2016-07-06 | 宁海金辉模塑有限公司 | Retreating prevention mechanism for internal-pulling slide block |
| CN106696220A (en) * | 2016-12-05 | 2017-05-24 | 盐城市步高汽配制造有限公司 | Mold oil cylinder core-pulling sliding block retaining circuit used in injection process of injection molding machine |
| CN108454032B (en) * | 2017-02-22 | 2021-11-23 | 上海信羽电子科技有限公司 | Mould core-pulling anti-retreating mechanism and mould |
| CN108454032A (en) * | 2017-02-22 | 2018-08-28 | 上海信羽电子科技有限公司 | Mould core pulling retreating prevention mechanism and mold |
| CN106696205A (en) * | 2017-03-28 | 2017-05-24 | 台州市黄岩西诺模具有限公司 | Self-locking type slide block core-pulling mechanism |
| CN109648804A (en) * | 2019-02-22 | 2019-04-19 | 南方佛吉亚汽车部件有限公司 | A kind of injection mold sliding block anti-back structure |
| CN109648804B (en) * | 2019-02-22 | 2024-05-10 | 南方佛吉亚汽车部件有限公司 | Sliding block anti-retreating structure for injection mold |
| CN110421796A (en) * | 2019-08-27 | 2019-11-08 | 厦门新倍鑫模具有限公司 | A kind of mould secondary pulled core structure of substitution sliding block hinge dental structure |
| CN110421796B (en) * | 2019-08-27 | 2024-04-05 | 厦门新倍鑫模具有限公司 | Mould secondary core-pulling structure for replacing slider hinge tooth structure |
| CN110757742A (en) * | 2019-11-04 | 2020-02-07 | 广东博智林机器人有限公司 | Moving die driving device |
| CN110757742B (en) * | 2019-11-04 | 2021-07-13 | 广东博智林机器人有限公司 | Moving die driving device |
| CN111730826A (en) * | 2020-07-23 | 2020-10-02 | 宁波方正汽车模具股份有限公司 | Demoulding mechanism and injection mold with same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210114 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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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |