CN112477011A - Inverted core-pulling structure - Google Patents
Inverted core-pulling structure Download PDFInfo
- Publication number
- CN112477011A CN112477011A CN202011542901.5A CN202011542901A CN112477011A CN 112477011 A CN112477011 A CN 112477011A CN 202011542901 A CN202011542901 A CN 202011542901A CN 112477011 A CN112477011 A CN 112477011A
- Authority
- CN
- China
- Prior art keywords
- pulling
- core
- pulling block
- block
- blocks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Abstract
The invention discloses an inverted buckle core-pulling structure, which comprises pulling blocks, core-pulling blocks and a driving mechanism, wherein the number of the pulling blocks and the number of the core-pulling blocks are consistent with the number of inverted buckles, and each pulling block is provided with one core-pulling block; the pulling block is provided with an inclined part for installing the pulling block, the pulling block is in sliding fit with the rear end of the core pulling block, all the inclined parts are arranged in parallel, all the pulling blocks are arranged in parallel, and all the core pulling blocks are arranged in parallel; the driving mechanism is connected with one end of the pulling block, the driving mechanism is used for pulling the pulling block to enable the core-pulling block and the pulling block to slide relatively, the relative sliding drives the core-pulling block to move along the direction vertical to the pulling direction, and the advantages are that: the structure is simple and compact, the cavity digging space of the template is reduced to increase the strength of the template, and the cost is low.
Description
Technical Field
The invention relates to the technical field of injection molds for automobile parts, in particular to a back-off core-pulling structure.
Background
As shown in fig. 1, the glove box component in the automobile is provided with an inner cavity and a larger depth, two inverted buckles are arranged on one side surface of the inner cavity and also have a certain depth, in order to be capable of injection molding the glove box component, a conventional solution is to provide two sets of core pulling systems, for example, as shown in fig. 2, the two sets of core pulling systems occupy a large space, a large amount of material needs to be dug out from a template to form a large space for accommodating the two sets of core pulling systems, although the injection molding purpose can be realized, the loss of the strength of the template is large due to the fact that a large amount of material is dug out, and in addition, the cost of the two sets of core pulling systems.
Therefore, the applicant has made intensive research to solve the above-mentioned complex technical problems by developing a technical scheme that the structure is simple and compact, the cavity space of the template is reduced to increase the strength of the template, and the cost is low, and the technical scheme is required to meet engineering requirements and can be used in engineering, rather than only staying at a theoretical research level.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the inverted buckle core-pulling structure is provided, the structure is simple and compact, the cavity digging space of the template is reduced so as to increase the strength of the template, and the cost is low.
The technical scheme adopted by the invention is as follows: a back-off core-pulling structure comprises pulling blocks, core-pulling blocks and a driving mechanism, wherein the number of the pulling blocks and the number of the core-pulling blocks are consistent with the number of back-offs, and each pulling block is provided with one core-pulling block; the pulling block is provided with an inclined part for installing the pulling block, the pulling block is in sliding fit with the rear end of the core pulling block, all the inclined parts are arranged in parallel, all the pulling blocks are arranged in parallel, and all the core pulling blocks are arranged in parallel; the driving mechanism is connected with one end of the pulling block and is used for pulling the pulling block to enable the core-pulling block and the pulling block to slide relatively, and the relative sliding drives the core-pulling block to move along the direction vertical to the pulling direction.
After adopting the technical scheme, compared with the prior art, the invention has the following advantages: the invention has the advantages that the scheme is ingenious, the pulling blocks are driven by the driving mechanism, the pulling blocks simultaneously drive the pulling blocks, and the pulling blocks simultaneously drive the pulling block, so that the pulling block can complete the movement under the action of one driving mechanism and one pulling block, the structure is simple and compact, the cavity digging space of the template is reduced to increase the strength of the template, and the cost is low; in addition, the inclined part and the pulling block are arranged between the pulling block and the core-pulling block, so that the production, the manufacture and the assembly are convenient, the structural compactness is improved, the volume of the pulling block is controlled, and the structural compactness is more favorable.
Preferably, the pulling block is provided with a sliding chute which is in sliding fit with the rear end of the core pulling block, and the sliding chute is used for driving the core pulling block to pull out the reverse buckling position in a sliding manner; the core-pulling block is provided with an inclined plane matched with the front end face of the pulling block, the front end face of the pulling block drives the core-pulling block to insert and move through the inclined plane, reliability and stability are improved, and the structure is simple and compact.
Preferably, when the core-pulling block is in an inserted state, the sliding groove is used for pushing a matching surface of the core-pulling block to be pulled out to be separated from the core-pulling block, the core-pulling block is provided with a supporting surface, and the supporting surface is matched with a platform correspondingly arranged on the front end surface of the pulling block so that the platform can prop against the core-pulling block; when the core-pulling block needs to be pulled out, the pulling block drives the pulling block to move for a certain distance, the matching surface is attached to the core-pulling block again, so that the matching surface can push the core-pulling block to be pulled out, the supporting surface is separated from the platform, the core-pulling block can be better supported, the core-pulling block is prevented from being pushed open by injection molding pressure, and in addition, the structure is simple and compact.
Preferably, the platform is arranged along the drawing direction and inclines backwards, the inclination angle is less than or equal to 3 degrees, the supporting surface is matched with the platform to form a self-locking structure, and when the self-locking structure is used for injection molding, the reliability can be obviously improved, the molding quality is better facilitated, the reliability is improved, and the service life is prolonged.
Preferably, the core pulling block is provided with a positioning surface, the positioning surface is used for being matched with the inclined surface part of the front end surface of the pulling block, the positioning surface is used for positioning the matching position of the supporting surface and the platform, the matching precision of the supporting surface and the platform can be guaranteed in long-term use, and the reliability and the service life of the core pulling device are improved.
Preferably, the inclined plane, the supporting surface and the positioning surface are sequentially connected along the insertion direction of the pulling block, so that the production, the manufacture and the assembly are facilitated, and the structural compactness is improved.
Preferably, the pull block is connected with a positioning rod, the driving mechanism and the positioning rod are respectively positioned at two ends of the pull block, and the positioning rod is matched with the positioning switch, so that the positioning precision is improved.
Preferably, the two ends of the pulling block are provided with mechanical positioning, which is beneficial to improving the reliability and safety of the invention.
Preferably, the driving mechanism comprises an oil cylinder, and the telescopic end of the oil cylinder is connected with the pull block, so that the structure is simple and compact, and the cost is low.
Drawings
Fig. 1 is a product.
FIG. 2 is a core pulling structure with two sets of core pulling systems.
Fig. 3 is a schematic perspective view of the inverted buckle core-pulling structure of the present invention.
Fig. 4 is a front view of the pull block portion.
FIG. 5 is a front view of the ramp, bearing surface, and locating surface.
FIG. 6 is a perspective view of the mating surface separated from the core back block.
Figure 7 is a perspective view of the mating surface in a state of being attached to the core block.
Fig. 8 is a perspective view showing a state where the core back block is completely extracted.
FIG. 9 is a front view of the pull block portion with the core block fully extracted.
FIG. 10 is a front view of the core back block in a state of completion of quick insertion.
Fig. 11 is a schematic view of the structure of the present invention installed in a mold.
The core pulling device comprises a base, a pulling block, a positioning switch, a positioning surface, a positioning switch, a positioning surface, a positioning part, a positioning switch, a.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
As shown in the figure, the invention provides an inverted buckle core-pulling structure, which comprises pulling blocks 2, pulling blocks 3, core-pulling blocks 4 and a driving mechanism, wherein the number of the pulling blocks 3 and the number of the core-pulling blocks 4 are consistent with that of the inverted buckles 1, and each pulling block 3 is provided with one core-pulling block 4; the pulling block 2 is provided with inclined parts 5 for mounting the pulling block 3, the pulling block 3 is in sliding fit with the rear ends of the core pulling blocks 4, the inclined parts 5 are arranged in parallel, the pulling blocks 3 are arranged in parallel, and the core pulling blocks 4 are arranged in parallel; the driving mechanism is connected with one end of the pulling block 2, and is used for pulling the pulling block 2 to enable the core pulling block 4 and the pulling block 3 to slide relatively, and the relative sliding drives the core pulling block 4 to move along the direction vertical to the pulling direction.
In this example, there are two reverse buckles 1, and correspondingly, the number of the pulling blocks 3 and the number of the core pulling blocks 4 are also two.
The pulling block 3 is provided with a sliding chute 6, the sliding chute 6 is in sliding fit with the rear end of the core pulling block 4, and the sliding chute 6 is used for driving the core pulling block 4 to be pulled out of the back-off position in a sliding manner; the core-pulling block 4 is provided with an inclined plane 7 matched with the front end surface of the pulling block 3, and the front end surface of the pulling block 3 drives the core-pulling block 4 to insert and move through the inclined plane 7.
When the core-pulling block 4 is in an inserting state, the matching surface 19 of the chute 6 for pushing the core-pulling block 4 to be pulled out is separated from the core-pulling block 4, the core-pulling block 4 is provided with a supporting surface 9, and the supporting surface 9 is matched with a platform 10 correspondingly arranged on the front end surface of the pulling block 3 so that the platform 10 props against the core-pulling block 4; when the core-pulling block 3 is required to be pulled out, the pulling block 2 drives the pulling block 3 to move together for a certain distance, the matching surface 19 is attached to the core-pulling block 4 again, so that the matching surface 19 can push the core-pulling block 4 to be pulled out, and the supporting surface 9 is separated from the platform 10.
The platform 10 is arranged along the drawing direction and is inclined backwards, and the inclination angle 20 is less than or equal to 3 degrees. In this example 3 degrees.
The core-pulling block 4 is provided with a positioning surface 11, the positioning surface 11 is used for being matched with an inclined surface part 12 of the front end surface of the pulling block 3, and the positioning surface 11 is used for positioning the matching position of the supporting surface 9 and the platform 10.
The inclined plane 7, the supporting plane 9 and the positioning plane 11 are sequentially connected along the insertion direction of the pulling block 2. See figures 5, 6, 7.
Still include positioning switch 14, position switch promptly, pull piece 2 and be connected with locating lever 13, actuating mechanism and locating lever 13 are located the both ends of pulling piece 2 respectively, and locating lever 13 cooperatees with positioning switch 14.
Both ends of the pull block 2 are provided with mechanical positioning 15. In this case a positioning protrusion.
The driving mechanism comprises an oil cylinder 16, and the telescopic end 17 of the oil cylinder 16 is connected with the pull block 2. In this example, a connecting rod 18 is provided, and the telescopic end 17, the connecting rod 18 and the pull block 2 are connected in sequence.
The working principle of the invention can be referred to as follows: fig. 4, 5 and 6 can be understood as being in a completely inserted state at present, when core pulling is required, firstly, the oil cylinder 16 pulls the pulling block 2 to move outwards, and when the matching surface 19 moves a distance a8 relative to the core pulling block 4, the matching surface 19 is attached to the core pulling block 4 again, as shown in fig. 7, when the oil cylinder 16 continues to pull, the matching surface 19 can push the core pulling block 4 to be pulled out, the core pulling block 4 substantially slides along the matching surface 19 until the core pulling block 4 is completely pulled out, which is a core pulling process, in order to provide a certain margin and improve the reliability and the practicability of the mechanism, in the pulling process, the front end surface of the pulling block 3 is separated from the inclined surface 7, mainly the inclined surface part 12 is separated from the inclined surface 7, and the separation distance; on the contrary, firstly, the oil cylinder 16 pulls the pulling block 2 to move inwards, after the pulling block 3 moves a distance b relative to the inclined plane 7, namely after the inclined plane part 12 moves a distance b relative to the inclined plane 7, the inclined plane part 12 is attached to the inclined plane 7, when the oil cylinder 16 continues to pull, the inclined plane part 12 can push the pulling block 4 to insert through the inclined plane 7, as shown in fig. 8 and 9, the initial stage of the insertion can be understood, as shown in fig. 3 and 10, the final stage of the insertion can be understood, and after the insertion is completed, the state shown in fig. 4, 5 and 6 is realized. In this example, the distance a8 is 5.5 mm and the distance b is 1 mm.
According to the invention, through the ingenious design, the pulling blocks 2 are driven by the driving mechanism, the pulling blocks 2 simultaneously drive the pulling blocks 3, and the pulling blocks 3 simultaneously drive the core pulling blocks 4, so that the core pulling blocks 4 can move under the action of one driving mechanism and one pulling block 2, the structure is simple and compact, the cavity digging space of the template is reduced to increase the strength of the template, and the cost is low; in addition, the inclined part 5 and the pulling block 3 are arranged between the pulling block 2 and the core-pulling block 4, so that the production, the manufacture and the assembly are facilitated, the structural compactness is improved, the volume of the pulling block 2 is controlled, and the structural compactness is facilitated.
The foregoing is illustrative of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides a back-off structure of loosing core which characterized in that: the core pulling device comprises pulling blocks, core pulling blocks and a driving mechanism, wherein the number of the pulling blocks and the number of the core pulling blocks are consistent with the number of the reverse buckles, and each pulling block is provided with one core pulling block; the pulling block is provided with an inclined part for installing the pulling block, the pulling block is in sliding fit with the rear end of the core pulling block, all the inclined parts are arranged in parallel, all the pulling blocks are arranged in parallel, and all the core pulling blocks are arranged in parallel; the driving mechanism is connected with one end of the pulling block and is used for pulling the pulling block to enable the core-pulling block and the pulling block to slide relatively, and the relative sliding drives the core-pulling block to move along the direction vertical to the pulling direction.
2. The inverted buckle core pulling structure according to claim 1, characterized in that: the pulling block is provided with a sliding chute which is in sliding fit with the rear end of the pulling block and is used for driving the pulling block to pull out the reverse buckling position in a sliding way; the core-pulling block is provided with an inclined plane matched with the front end face of the pulling block, and the front end face of the pulling block drives the core-pulling block to insert and move through the inclined plane.
3. The inverted buckle core pulling structure according to claim 2, characterized in that: when the core-pulling block is in an inserted state, the sliding groove is used for pushing a matching surface of the core-pulling block to be pulled out to be separated from the core-pulling block, the core-pulling block is provided with a supporting surface, and the supporting surface is matched with a platform correspondingly arranged on the front end surface of the pulling block so that the platform can prop against the core-pulling block; when the core-pulling block needs to be pulled out, the pulling block drives the pulling block to move for a certain distance, the matching surface is attached to the core-pulling block again, so that the matching surface can push the core-pulling block to be pulled out, and the supporting surface is separated from the platform.
4. The inverted buckle core pulling structure according to claim 3, characterized in that: the platform is arranged along the drawing direction and inclines backwards, and the inclination angle is less than or equal to 3 degrees.
5. The inverted buckle core pulling structure according to claim 3, characterized in that: the core pulling block is provided with a positioning surface, the positioning surface is used for being matched with the inclined surface part of the front end surface of the pulling block, and the positioning surface is used for positioning the matching position of the supporting surface and the platform.
6. The inverted buckle core pulling structure according to claim 5, characterized in that: the inclined plane, the supporting surface and the positioning surface are sequentially connected and arranged along the insertion direction of the pulling block.
7. The inverted buckle core pulling structure according to claim 1, characterized in that: the pull block is connected with a positioning rod, the driving mechanism and the positioning rod are respectively positioned at two ends of the pull block, and the positioning rod is matched with the positioning switch.
8. The inverted buckle core pulling structure according to claim 7, characterized in that: the two ends of the pulling block are provided with mechanical positioning.
9. The inverted buckle core pulling structure according to claim 1, characterized in that: the driving mechanism comprises an oil cylinder, and the telescopic end of the oil cylinder is connected with the pull block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011542901.5A CN112477011B (en) | 2020-12-23 | 2020-12-23 | Inverted core-pulling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011542901.5A CN112477011B (en) | 2020-12-23 | 2020-12-23 | Inverted core-pulling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112477011A true CN112477011A (en) | 2021-03-12 |
| CN112477011B CN112477011B (en) | 2022-07-05 |
Family
ID=74915424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011542901.5A Active CN112477011B (en) | 2020-12-23 | 2020-12-23 | Inverted core-pulling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112477011B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01228808A (en) * | 1988-03-09 | 1989-09-12 | Suzuki Motor Co Ltd | Molding device |
| DE19507009A1 (en) * | 1995-02-28 | 1996-08-29 | Johannes Ludwig Foellmer | Method and device for demolding cast parts |
| CN103817869A (en) * | 2012-11-17 | 2014-05-28 | 王游 | Inner side surface large-angle inclined jacking block core-pull mechanism of injection mold |
| CN105538613A (en) * | 2015-12-16 | 2016-05-04 | 宁波方正汽车模具有限公司 | Self-locking mechanism for angle core pulling |
| CN209273900U (en) * | 2018-10-30 | 2019-08-20 | 宁波双林模具有限公司 | A kind of joint slant-top core-pulling stripper apparatus of oblique pumping and rotation |
-
2020
- 2020-12-23 CN CN202011542901.5A patent/CN112477011B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01228808A (en) * | 1988-03-09 | 1989-09-12 | Suzuki Motor Co Ltd | Molding device |
| DE19507009A1 (en) * | 1995-02-28 | 1996-08-29 | Johannes Ludwig Foellmer | Method and device for demolding cast parts |
| CN103817869A (en) * | 2012-11-17 | 2014-05-28 | 王游 | Inner side surface large-angle inclined jacking block core-pull mechanism of injection mold |
| CN105538613A (en) * | 2015-12-16 | 2016-05-04 | 宁波方正汽车模具有限公司 | Self-locking mechanism for angle core pulling |
| CN209273900U (en) * | 2018-10-30 | 2019-08-20 | 宁波双林模具有限公司 | A kind of joint slant-top core-pulling stripper apparatus of oblique pumping and rotation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112477011B (en) | 2022-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112477011B (en) | Inverted core-pulling structure | |
| CN113021783B (en) | Inverted front mould secondary slide mechanism | |
| CN209350810U (en) | Injection mold | |
| CN215095334U (en) | Multi-direction slider core-pulling mechanism and injection mold | |
| CN208664269U (en) | A kind of car hands shank molding structure | |
| CN212472261U (en) | Sliding block demolding mechanism and mold | |
| CN111409237B (en) | Structure for realizing core pulling in narrow space | |
| CN210233854U (en) | Retractable long slide block core positioning and supporting mechanism on medical injection mold | |
| CN219903216U (en) | Injection mold straight pushing block upper band drag hook bullet piece mechanism of loosing core | |
| CN216100201U (en) | Core-pulling structure for fixed die sliding block of injection mold | |
| CN110948798A (en) | Reverse internal core-pulling mechanism and injection mold | |
| CN215497315U (en) | Device for quick plugging and self-locking of connector | |
| CN218744772U (en) | Die mould turns to structure of loosing core to one side | |
| CN219543940U (en) | Mould | |
| CN219466905U (en) | Core-pulling built-in slingshot inclined roof with composite demoulding structure | |
| CN220295814U (en) | Inclined core pulling mechanism of die casting die | |
| CN219581614U (en) | Die for processing movable die and static die | |
| CN219256298U (en) | Injection mold with insert quick change structure | |
| CN220548634U (en) | Slide block inner out inclined top structure | |
| CN218477067U (en) | Sliding block core-pulling mechanism and mold | |
| CN220717739U (en) | Secondary core-pulling mechanism of aluminum die casting die in autonomous pre-core-pulling mode | |
| CN111730821B (en) | Modular core pulling structure | |
| CN218912913U (en) | Column for double-telescopic plunger type hydraulic support | |
| CN216032276U (en) | Large-scale hydro-cylinder stopping structure of loosing core | |
| CN209191217U (en) | Injection mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |