CN211807598U - Non-planar intersection slider back-off structure of loosing core - Google Patents
Non-planar intersection slider back-off structure of loosing core Download PDFInfo
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- CN211807598U CN211807598U CN202021919916.4U CN202021919916U CN211807598U CN 211807598 U CN211807598 U CN 211807598U CN 202021919916 U CN202021919916 U CN 202021919916U CN 211807598 U CN211807598 U CN 211807598U
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Abstract
The utility model provides a non-planar cross slider back-off core-pulling structure, which comprises a pressing block, a first core-pulling slider and a second core-pulling slider which are arranged on a rear template of an injection mold, and a slider driving component which is arranged on a front template of the injection mold, wherein the first core-pulling slider is arranged on the pressing block and is connected with the pressing block in a sliding way, the end parts of the pressing block and the first core-pulling slider are respectively provided with an oblique guide rail, the two oblique guide rails are reversely arranged at a certain angle, the two sides of the second core-pulling slider are respectively connected with the two oblique guide rails in a sliding way, when the mold is opened, the slider driving component drives the first core-pulling slider to slide and pull core, and simultaneously the first core-pulling slider drives the second core-pulling slider to do oblique movement according to the direction of the oblique guide rails, finally, the synchronous sliding core-pulling of the first core-pulling slider and the second, simple structure, high efficiency and low cost.
Description
Technical Field
The utility model relates to an injection mold design field especially relates to a non-planar intersection slider back-off structure of loosing core.
Background
Under the general condition, in order to strengthen the function integration degree of products, many automotive interior spare injection moulding products design have many back-off regions, especially have some back-off regions that have progressive characteristic in degree of depth and direction of height, these back-off regions often can't adopt conventional structure of loosing core to demold, in order to reach the purpose of back-off structure of loosing core and demold, the structure of loosing core that the structure is complicated is mostly adopted at present, but corresponding mould processing cost is high, or adopt a plurality of structures to carry out the action of loosing core step by step, production cycle is long, inefficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide a non-planar cross slider back-off structure of loosing core.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides a non-plane alternately slider back-off structure of loosing core, includes: the mold comprises a pressing block, a first core-pulling sliding block, a second core-pulling sliding block and a sliding block driving assembly, wherein the pressing block is arranged on a rear mold plate of an injection mold, the first core-pulling sliding block is arranged on the pressing block and is in sliding connection with the pressing block, the left end of the first core-pulling sliding block is of a first forming structure and is used for forming a corresponding first back-off region on a product, a first inclined guide rail is arranged on the side surface of the left end of the pressing block, a second inclined guide rail is arranged at the upper end of the first forming structure, the first inclined guide rail and the second inclined guide rail are reversely arranged at a certain angle, the left end of the second core-pulling sliding block is of a second forming structure and is used for forming a corresponding second back-off region on the product, a first sliding chute and a second sliding chute are arranged at the other two sides of the second core-pulling sliding block and are respectively in sliding connection with the first inclined guide rail and the second inclined guide, during the die sinking, slider drive assembly drive first slider of loosing core slides right and looses core, simultaneously first slider of loosing core drives the second is loosed core the slider and is in first slant guide rail with slant motion under the guide effect of second slant guide rail finally realizes first slider of loosing core with the second is loosed core the slider and is slided in step and is loosed core, deviates from the back-off, gets rid of ejecting interference, and the ejection mechanism that moulds plastics of being convenient for makes progress ejecting product smoothly.
The slide block driving assembly is composed of a fixing seat and a driving rod, the fixing seat is fixedly installed on a front template of the injection mold, the driving rod is obliquely arranged and fixedly installed on the fixing seat, and a driving hole matched with the driving rod is formed in the right end of the first core-pulling slide block.
The right end of the pressing block is provided with an inverted T-shaped hanging groove, the right end of the first core-pulling sliding block is an inverted T-shaped block, and the inverted T-shaped block is arranged in the inverted T-shaped hanging groove and is in sliding connection with the inverted T-shaped hanging groove.
The first oblique guide rail and the second oblique guide rail are both T-shaped guide rails, and the first sliding groove and the second sliding groove are T-shaped grooves matched with the T-shaped guide rails.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a non-plane cross slider back-off structure of loosing core has realized the regional synchronous shaping of back-off that injection moulding product advances and the drawing of patterns of loosing core, has effectively solved the product and has had the regional drawing of patterns difficulty problem of characteristic back-off that advances in degree of depth and direction of height, simple structure, and is efficient, and is with low costs.
Drawings
FIG. 1 is a schematic structural view of the present invention in the open state;
FIG. 2 is a schematic structural view of the present invention in a mold closing state;
FIG. 3 is a schematic structural view of the press block and the first core-pulling slider of the present invention;
FIG. 4 is a schematic view of a reverse structure of the injection molding in a mold closing state of the present invention;
FIG. 5 is a schematic structural view of the product of the present invention;
FIG. 6 is a first schematic structural diagram of the pressing block of the present invention;
FIG. 7 is a second schematic structural view of the press block of the present invention;
fig. 8 is a schematic structural view of the first core-pulling slider of the present invention;
fig. 9 is a first schematic structural view of the second core-pulling slider of the present invention;
fig. 10 is a schematic structural diagram of the second core-pulling slider according to the present invention.
In the figure: 1-briquetting; 11-a first diagonal rail; 12-inverted T-shaped hanging grooves; 2-a first core-pulling slider; 21-a first molding structure; 22-a second diagonal guide rail; 23-inverted T-shaped block; 24-a drive aperture; 3-a second core-pulling sliding block; 31-a second forming structure; 32-a first runner; 33-a second runner; 4-a slider drive assembly; 41-a fixed seat; 42-a drive rod; 5-products; 51-a first undercut region; 52-second undercut region.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and more obvious, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 10, the utility model provides a non-plane intersection slider back-off structure of loosing core, include: the core-pulling mechanism comprises a press block 1, a first core-pulling slide block 2, a second core-pulling slide block 3 and a slide block driving assembly 4, wherein the press block 1, the first core-pulling slide block 2 and the second core-pulling slide block 3 are arranged on a rear template of an injection mold, the slide block driving assembly 4 is arranged on a front template of the injection mold, the first core-pulling slide block 2 and the second core-pulling slide block 3 are matched with each other and used for forming a first back-off region 51 and a second back-off region 52 of a progressive structure in the depth direction and the height direction on a formed product 5, the press block 1 is arranged on the rear template of the injection mold, the first core-pulling slide block 2 is arranged on the press block 1 and is in sliding connection with the press block 1, the left end part of the first core-pulling slide block 2 is a first forming structure 21 and used for forming a corresponding first back-off region 51 on the product 5, a first oblique guide rail 11 is arranged on the side surface of the, the second core-pulling sliding block 3 is a three-side molding block, the left side end of the second core-pulling sliding block 3 is a second molding structure 31 for molding a corresponding second inverted buckle area 52 on the product 5, the other two side ends of the slide block are provided with a first sliding chute 32 and a second sliding chute 33, the tail ends of the first sliding chute 32 and the second sliding chute 33 are communicated and are respectively connected with the first inclined guide rail 11 and the second inclined guide rail 22 in a sliding manner, when the mold is opened, the slide block driving component 4 drives the first core-pulling slide block 2 to slide rightwards for core pulling, meanwhile, the first core-pulling sliding block 2 drives the second core-pulling sliding block 3 to obliquely move under the guiding action of the first oblique guide rail 11 and the second oblique guide rail 22, and finally the first core-pulling sliding block 2 and the second core-pulling sliding block 3 synchronously slide to pull cores, so that the inverted buckle is removed, the interference is removed, and the injection molding ejection mechanism is convenient to smoothly eject products upwards.
Specifically, the right end of briquetting 1 is provided with inverted T type and hangs groove 12, the right end of first slider 2 of loosing core is inverted T type piece 23, inverted T type piece 23 is arranged in inverted T type hangs in the groove 12, and sliding connection.
Specifically, the first inclined guide rail 11 and the second inclined guide rail 22 are both T-shaped guide rails, and the first sliding groove 32 and the second sliding groove 33 are both T-shaped grooves matched with the T-shaped guide rails.
Specifically, slider drive assembly 4 comprises fixing base 41 and actuating lever 42, fixing base 41 fixed mounting is on the injection mold front mould board, actuating lever 42 slant sets up, fixed mounting in on fixing base 41, the tip of the type of falling T piece 23 of first slider 2 of loosing core be provided with actuating lever 42 complex drive hole 24, drive hole 24 runs through type of falling T piece 23.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a non-plane intersection slider back-off structure of loosing core which characterized in that includes: the core pulling mechanism comprises a press block (1), a first core pulling slide block (2), a second core pulling slide block (3) and a slide block driving assembly (4), wherein the press block (1) is arranged on a rear template of the injection mold, the first core pulling slide block (2) is arranged on the press block (1) and is in sliding connection with the press block (1), the left end part of the first core pulling slide block (2) is a first forming structure (21) and is used for forming a corresponding first back-off region (51) on a product (5), a first oblique guide rail (11) is arranged on the side surface of the left end part of the press block (1), a second oblique guide rail (22) is arranged at the upper end of the first forming structure (21), the first oblique guide rail (11) and the second oblique guide rail (22) are reversely arranged at a certain angle, and the left end part of the second core pulling slide block (3) is a second forming structure (31), a second back-off region (52) for corresponding on shaping product (5), its other both sides end is provided with first spout (32) and second spout (33), respectively with first slant guide rail (11) with second slant guide rail (22) sliding connection, during the die sinking, slider drive assembly (4) drive first slider (2) of loosing core slides right and looses core, simultaneously first slider (2) of loosing core drives second slider (3) of loosing core is in first slant guide rail (11) with slant motion under the guide effect of second slant guide rail (22), finally realizes first slider (2) of loosing core with second slider (3) of loosing core slides in step and looses core, deviates from the back-off, gets rid of ejecting interference, and the ejection mechanism that moulds plastics of being convenient for makes progress ejecting product smoothly.
2. The non-planar cross slider back-off core pulling structure according to claim 1, wherein the slider driving assembly (4) is composed of a fixed seat (41) and a driving rod (42), the fixed seat (41) is fixedly installed on a front mold plate of an injection mold, the driving rod (42) is obliquely arranged and fixedly installed on the fixed seat (41), and a driving hole (24) matched with the driving rod (42) is formed in the right end of the first core pulling slider (2).
3. The non-planar cross sliding block inverted buckle core pulling structure is characterized in that an inverted T-shaped hanging groove (12) is formed in the right end of the pressing block (1), an inverted T-shaped block (23) is arranged at the right end of the first core pulling sliding block (2), and the inverted T-shaped block (23) is arranged in the inverted T-shaped hanging groove (12) and is connected with the inverted T-shaped hanging groove in a sliding mode.
4. The non-planar cross sliding block inverted buckle core pulling structure according to claim 1, wherein the first inclined guide rail (11) and the second inclined guide rail (22) are both T-shaped guide rails, and the first sliding groove (32) and the second sliding groove (33) are both T-shaped grooves matched with the T-shaped guide rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021919916.4U CN211807598U (en) | 2020-09-07 | 2020-09-07 | Non-planar intersection slider back-off structure of loosing core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021919916.4U CN211807598U (en) | 2020-09-07 | 2020-09-07 | Non-planar intersection slider back-off structure of loosing core |
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| CN211807598U true CN211807598U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021919916.4U Active CN211807598U (en) | 2020-09-07 | 2020-09-07 | Non-planar intersection slider back-off structure of loosing core |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477010A (en) * | 2020-12-23 | 2021-03-12 | 宁波方正汽车模具股份有限公司 | Slider link structure of loosing core |
| CN113085113A (en) * | 2021-06-04 | 2021-07-09 | 宁波均胜群英汽车系统股份有限公司 | Core pulling structure for producing injection mold for rearview mirror shell |
| CN113334705A (en) * | 2021-05-10 | 2021-09-03 | 宁波方正汽车模具股份有限公司 | Slide block driving mechanism for die |
-
2020
- 2020-09-07 CN CN202021919916.4U patent/CN211807598U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477010A (en) * | 2020-12-23 | 2021-03-12 | 宁波方正汽车模具股份有限公司 | Slider link structure of loosing core |
| CN113334705A (en) * | 2021-05-10 | 2021-09-03 | 宁波方正汽车模具股份有限公司 | Slide block driving mechanism for die |
| CN113334705B (en) * | 2021-05-10 | 2022-06-21 | 宁波方正汽车模具股份有限公司 | Slide block driving mechanism for die |
| CN113085113A (en) * | 2021-06-04 | 2021-07-09 | 宁波均胜群英汽车系统股份有限公司 | Core pulling structure for producing injection mold for rearview mirror shell |
| CN113085113B (en) * | 2021-06-04 | 2021-08-20 | 宁波均胜群英汽车系统股份有限公司 | Core pulling structure for producing injection mold for rearview mirror shell |
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