CN113619041A - Secondary core-pulling mechanism for slide block of injection mold - Google Patents
Secondary core-pulling mechanism for slide block of injection mold Download PDFInfo
- Publication number
- CN113619041A CN113619041A CN202111004883.XA CN202111004883A CN113619041A CN 113619041 A CN113619041 A CN 113619041A CN 202111004883 A CN202111004883 A CN 202111004883A CN 113619041 A CN113619041 A CN 113619041A
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- China
- Prior art keywords
- pulling
- core
- sliding block
- shovel base
- seat
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- 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.)
- Pending
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- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
- B29C45/332—Mountings or guides therefor; Drives therefor
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- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a sliding block secondary core-pulling mechanism of an injection mold, which comprises a shovel base and an inclined guide pillar arranged in the shovel base, wherein the inner side of the shovel base is sequentially provided with a shovel base inclined plane I, a shovel base straight plane and a shovel base inclined plane II; the device also comprises a primary core-pulling small sliding block seat with one side attached to the first shovel base inclined plane and a primary core-pulling small sliding block connected to the other side of the primary core-pulling small sliding block seat, and an inclined guide pillar is attached to and penetrates through the interior of the primary core-pulling small sliding block seat; the secondary core pulling large sliding block seat is characterized by further comprising a secondary core pulling large sliding block seat and a secondary core pulling large sliding block, wherein one side of the secondary core pulling large sliding block seat is simultaneously attached to the straight surface of the shovel base and the inclined surface II of the shovel base, the secondary core pulling large sliding block is connected to the other side of the secondary core pulling large sliding block seat, and the inclined guide pillar is attached to penetrate through one side inside the secondary core pulling large sliding block seat and is reserved on the other side of the secondary core pulling large sliding block seat to form a secondary core pulling gap. The invention solves the problem that the product is stuck with the sliding block, does not leave marks on the surface of the product, and has the advantages of less required parts, simple structure and high stability, thereby saving the production cost.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to a secondary sliding block core-pulling mechanism of an injection mold.
Background
As the injection molding part 21 with the structure shown in FIG. 1 has too many side holes 22 and too large packing force, the slider is poor in product adhesion during one-time core pulling, the product is easy to be damaged by pulling, and the slider is small and limited in position, so that secondary core pulling is difficult to realize.
Aiming at the injection molding part 21 with the structure, the traditional mode is that the sliding block is ejected out to prevent a product from being stuck on the sliding block when the mold is opened, although the problem that the product is stuck on the sliding block is solved, the ejector pin can form ejection traces on the surface of the product, so that the appearance of the product can not meet the requirement; in addition, the ejection structure is complex and unstable, the processing cost is high, the cost is high, and sometimes the ejector pin cannot be added due to space limitation.
Disclosure of Invention
In order to solve the technical problem, the invention provides a sliding block secondary core-pulling mechanism of an injection mold, which comprises a shovel base arranged in the mold and an inclined guide pillar arranged in the shovel base, wherein the inner side of the shovel base is sequentially provided with a shovel base inclined plane I, a shovel base straight surface and a shovel base inclined plane II;
the shovel base is provided with a shovel base inclined plane I, and the shovel base is provided with a shovel base inclined plane I;
the secondary core pulling large sliding block seat is characterized by further comprising a secondary core pulling large sliding block seat, one side of the secondary core pulling large sliding block seat is attached to the straight surface of the shovel base and the second shovel base inclined surface, the secondary core pulling large sliding block is connected to the other side of the secondary core pulling large sliding block seat, and the inclined guide pillar is attached to penetrate through one side inside the secondary core pulling large sliding block seat and is reserved on the other side of the secondary core pulling large sliding block seat to form a secondary core pulling gap.
The small primary core pulling slider is fixed on the other side of the small primary core pulling slider seat through the small primary core pulling slider fixing seat.
The secondary core pulling large sliding block is fixed on the other side of the secondary core pulling large sliding block seat through a secondary core pulling large sliding block fixing seat.
The primary core pulling small sliding block seat is located inside the secondary core pulling large sliding block seat, and the primary core pulling small sliding block is located inside the secondary core pulling large sliding block.
And in a reset state, the inclined guide post is positioned on one side of the small primary core-pulling slider and one side of the large secondary core-pulling slider and is attached to the inner side walls of the small primary core-pulling slider seat and the large secondary core-pulling slider seat, and the other side of the inclined guide post is attached to the inner side wall of the small primary core-pulling slider seat and is reserved with a secondary core-pulling gap with the inner side wall of the large secondary core-pulling slider seat.
Through the technical scheme, the problem that the product is stuck to the sliding block is solved, no trace is left on the surface of the product, and the sliding block type sliding block machine has the advantages of few required parts, simple structure and high stability, so that the production cost is saved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic structural view of an injection molded part according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a secondary core-pulling mechanism disclosed in the embodiment of the present invention.
In the figure: 10. a shovel base; 101. a first shovel base inclined plane; 102. a shovel base straight surface; 103. a second shovel base inclined plane; 11. a primary core pulling small slide block seat; 12. an inclined guide post; 13. a small slide block for primary core pulling; 14. a secondary core pulling large slide block seat; 15. a secondary core pulling large sliding block; 16. a primary core-pulling small sliding block fixing seat; 17. a secondary core-pulling large slide block fixing seat; 21. an injection molded part; 22. and side holes.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 2, the sliding block secondary core pulling mechanism of the injection mold provided by the invention comprises a shovel base 10 arranged in the mold, and an inclined guide post 12 installed in the shovel base 10, wherein a first shovel base inclined plane 101, a first shovel base straight plane 102 and a second shovel base inclined plane 103 which are continuous are sequentially arranged on the inner side of the shovel base 10; the small primary core-pulling slider is characterized by further comprising a small primary core-pulling slider seat 11 with one side attached to the shovel base inclined plane I101, and a small primary core-pulling slider 13 connected to the other side of the small primary core-pulling slider seat 11, wherein the small primary core-pulling slider 13 is fixed to the other side of the small primary core-pulling slider seat 11 through a small primary core-pulling slider fixing seat 16; the large secondary core-pulling slider is characterized by further comprising a large secondary core-pulling slider seat 14 with one side simultaneously attached to the shovel base straight surface 102 and the shovel base inclined surface two 103, and a large secondary core-pulling slider 15 connected to the other side of the large secondary core-pulling slider seat 14, wherein the large secondary core-pulling slider 15 is fixed to the other side of the large secondary core-pulling slider seat 14 through a large secondary core-pulling slider fixing seat 17.
The primary core-pulling small sliding block seat 11 is positioned inside the secondary core-pulling large sliding block seat 14, and the primary core-pulling small sliding block 13 is positioned inside the secondary core-pulling large sliding block 15; in the reset state, the inclined guide post 12 is located on one side of the small primary core-pulling slider 13 and the large secondary core-pulling slider 15 and is attached to the inner side walls of the small primary core-pulling slider seat 11 and the large secondary core-pulling slider seat 14, and the other side of the inclined guide post 12 is attached to the inner side wall of the small primary core-pulling slider seat 11 and is reserved with a secondary core-pulling gap with the inner side wall of the large secondary core-pulling slider seat 14.
The working principle of the invention is as follows:
in the process of opening the mold, the shovel base 10 and the inclined guide post 12 move simultaneously, the primary small core-pulling slider seat 11 drives the primary small core-pulling slider 13 to complete primary core-pulling under the driving of the inclined guide post 12, and the secondary large core-pulling slider 15 is still under the blocking of the straight surface 102 of the shovel base; the inclined guide post 12 is continuously driven, at the moment, the shovel base straight surface 102 is separated from the secondary core-pulling large sliding block 15, and the secondary core-pulling large sliding block seat 14 drives the secondary core-pulling large sliding block 15 and the primary core-pulling small sliding block 13 to move simultaneously, so that secondary core pulling is completed; so that smooth demolding of the injection molded part 21 with the side hole 22 in fig. 1 is completed through secondary core pulling;
when the sliding block is reset, the first shovel base inclined plane 101 and the second shovel base inclined plane 103 help the second core-pulling large sliding block 15 and the first core-pulling small sliding block 13 to finally complete resetting.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A sliding block secondary core-pulling mechanism of an injection mold is characterized by comprising a shovel base (10) arranged in the mold and an inclined guide post (12) arranged in the shovel base (10), wherein the inner side of the shovel base (10) is sequentially provided with a shovel base inclined plane I (101), a shovel base straight surface (102) and a shovel base inclined plane II (103);
the shovel base is characterized by further comprising a primary small core-pulling slider seat (11) with one side attached to the shovel base inclined surface I (101), and a primary small core-pulling slider (13) connected to the other side of the primary small core-pulling slider seat (11), wherein the inclined guide post (12) is attached to penetrate through the interior of the primary small core-pulling slider seat (11);
the large secondary core-pulling slider is characterized by further comprising a large secondary core-pulling slider seat (14) with one side simultaneously attached to the shovel base straight surface (102) and the shovel base inclined surface II (103), and a large secondary core-pulling slider (15) connected to the other side of the large secondary core-pulling slider seat (14), wherein the inclined guide post (12) is attached to penetrate through one side inside the large secondary core-pulling slider seat (14) and a secondary core-pulling gap is reserved on the other side inside the large secondary core-pulling slider seat.
2. The secondary slider core pulling mechanism of the injection mold according to claim 1, wherein the small primary core pulling slider (13) is fixed on the other side of the small primary core pulling slider seat (11) through a small primary core pulling slider fixing seat (16).
3. The secondary slider core pulling mechanism of the injection mold according to claim 1, characterized in that the secondary large slider (15) for core pulling is fixed on the other side of the secondary large slider for core pulling seat (14) through a secondary large slider for core pulling fixing seat (17).
4. The secondary slider core pulling mechanism of the injection mold according to claim 1, wherein the small primary core pulling slider seat (11) is located inside the large secondary core pulling slider seat (14), and the small primary core pulling slider (13) is located inside the large secondary core pulling slider (15).
5. The secondary slider core pulling mechanism of the injection mold according to claim 1, characterized in that in a reset state, the inclined guide post (12) is located at one side of the small primary core pulling slider (13) and the large secondary core pulling slider (15) and is attached to the inner side walls of the small primary core pulling slider seat (11) and the large secondary core pulling slider seat (14), and the other side of the inclined guide post (12) is attached to the inner side wall of the small primary core pulling slider seat (11) and is reserved with the inner side wall of the large secondary core pulling slider seat (14) to form a secondary core pulling gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111004883.XA CN113619041A (en) | 2021-08-30 | 2021-08-30 | Secondary core-pulling mechanism for slide block of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111004883.XA CN113619041A (en) | 2021-08-30 | 2021-08-30 | Secondary core-pulling mechanism for slide block of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113619041A true CN113619041A (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111004883.XA Pending CN113619041A (en) | 2021-08-30 | 2021-08-30 | Secondary core-pulling mechanism for slide block of injection mold |
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| Country | Link |
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| CN (1) | CN113619041A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379032A (en) * | 2022-03-24 | 2022-04-22 | 赫比(成都)精密塑胶制品有限公司 | Sliding block core pulling mechanism with secondary core pulling function in injection mold |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007136686A (en) * | 2005-11-14 | 2007-06-07 | Mitsubishi Motors Corp | Injection molding machine |
| CN201848950U (en) * | 2010-09-22 | 2011-06-01 | 浙江凯华模具有限公司 | Side core-pulling mechanism for installing fastener slider on automobile water tank mould |
| CN202387938U (en) * | 2011-06-06 | 2012-08-22 | 牟维军 | Die for secondary core pulling of inclined guide pillar and slide blocks |
| US20150072034A1 (en) * | 2012-03-16 | 2015-03-12 | Bridgestone Corporation | Tread strip curing station |
| CN110303645A (en) * | 2019-06-28 | 2019-10-08 | 广东松山职业技术学院 | A kind of lateral twice core pulling injection molding applied in the production of coffee cleaner handgrip |
| CN210552788U (en) * | 2019-08-30 | 2020-05-19 | 英华利汽车模具***（深圳）有限公司 | Slide secondary core-pulling structure |
| CN212528559U (en) * | 2020-04-29 | 2021-02-12 | 玫瑰塑胶(昆山)有限公司 | Secondary core-pulling mechanism and injection mold |
| CN212528567U (en) * | 2020-06-30 | 2021-02-12 | 富来精密模具(中山)有限公司 | Sliding block ejection die |
| CN212528531U (en) * | 2020-04-29 | 2021-02-12 | 玫瑰塑胶(昆山)有限公司 | Injection mold for forced demolding of bouncing insert |
-
2021
- 2021-08-30 CN CN202111004883.XA patent/CN113619041A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007136686A (en) * | 2005-11-14 | 2007-06-07 | Mitsubishi Motors Corp | Injection molding machine |
| CN201848950U (en) * | 2010-09-22 | 2011-06-01 | 浙江凯华模具有限公司 | Side core-pulling mechanism for installing fastener slider on automobile water tank mould |
| CN202387938U (en) * | 2011-06-06 | 2012-08-22 | 牟维军 | Die for secondary core pulling of inclined guide pillar and slide blocks |
| US20150072034A1 (en) * | 2012-03-16 | 2015-03-12 | Bridgestone Corporation | Tread strip curing station |
| CN110303645A (en) * | 2019-06-28 | 2019-10-08 | 广东松山职业技术学院 | A kind of lateral twice core pulling injection molding applied in the production of coffee cleaner handgrip |
| CN210552788U (en) * | 2019-08-30 | 2020-05-19 | 英华利汽车模具***（深圳）有限公司 | Slide secondary core-pulling structure |
| CN212528559U (en) * | 2020-04-29 | 2021-02-12 | 玫瑰塑胶(昆山)有限公司 | Secondary core-pulling mechanism and injection mold |
| CN212528531U (en) * | 2020-04-29 | 2021-02-12 | 玫瑰塑胶(昆山)有限公司 | Injection mold for forced demolding of bouncing insert |
| CN212528567U (en) * | 2020-06-30 | 2021-02-12 | 富来精密模具(中山)有限公司 | Sliding block ejection die |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379032A (en) * | 2022-03-24 | 2022-04-22 | 赫比(成都)精密塑胶制品有限公司 | Sliding block core pulling mechanism with secondary core pulling function in injection mold |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211109 |
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| RJ01 | Rejection of invention patent application after publication |