CN111331795B - Side-inclined top core-pulling mechanism of injection mold - Google Patents
Side-inclined top core-pulling mechanism of injection mold Download PDFInfo
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- CN111331795B CN111331795B CN202010265382.6A CN202010265382A CN111331795B CN 111331795 B CN111331795 B CN 111331795B CN 202010265382 A CN202010265382 A CN 202010265382A CN 111331795 B CN111331795 B CN 111331795B
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- Prior art keywords
- inclined top
- fixed
- block
- pitched roof
- sliding
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
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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
- B29C2045/338—Mould parts with combined axial and transversal movements
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a side inclined top core pulling mechanism of an injection mold, which comprises a fixed mold, wherein an inclined top is obliquely arranged in the fixed mold, inclined top connecting rods are fixed on the upper parts of two ends of the top of the inclined top, one end of a spring is fixedly connected to the inclined top connecting rods, the other end of the spring is fixed on the fixed mold, an inclined top sliding seat is fixed on the inclined top connecting rods, a side inclined top is arranged on the inclined top sliding seat in a sliding mode, an insert block is arranged on the inclined top and fixed on the fixed mold, an inclined core pulling channel is arranged in the insert block, a certain included angle is formed between the core pulling channel and the inclined top, and the side inclined top penetrates through the core pulling channel. Compared with the prior art, the fixed die lifter is additionally provided with the side lifter, the movement of the lifter and the side lifter is synchronous and cannot interfere with each other, the side lifter and the side lifter can pull cores in the side lifter ejection process, the product demoulding integrity is ensured, the product yield is improved, and the production efficiency is greatly improved.
Description
Technical Field
The invention relates to a side inclined top core-pulling mechanism of an injection mold, belonging to the technical field of injection molds.
Background
The air conditioner on-hook base is one of three parts in the air conditioner on-hook assembly and is the largest one of air conditioner pendant components, and many types of on-hook bases are complex in structure and can be provided with an inverted buckle on the side surface, so that a core pulling mechanism needs to be arranged on a corresponding injection mold, most of the core pulling mechanisms adopt a sliding block core pulling mechanism, but the sliding block core pulling mechanism is complex in design and large in size, the fixed mold does not have enough space for arranging the sliding block core pulling mechanism, and the sliding block core pulling mechanism can interfere with the inclined top of the fixed mold to influence the ejection and the core pulling.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a side-inclined top core-pulling mechanism of an air conditioner hanging machine base injection mold.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the side-inclined top core-pulling mechanism of the injection mold comprises a movable mold and a fixed mold, wherein a slide block is arranged in the movable mold, an inclined top is obliquely arranged in the fixed die, inclined top connecting rods are fixed on the upper parts of the two ends of the top of the inclined top, one end of a spring is fixedly connected to the pitched roof connecting rod, the other end of the spring is fixed to the fixed die, an inclined top sliding seat is fixed on the inclined top connecting rod, a side inclined top is arranged on the inclined top sliding seat in a sliding manner, one end of the side inclined top is provided with a lug which can enable a product to be formed in a back-off manner, the inclined top is provided with an insert, the insert is fixed on the fixed die, an inclined core-pulling channel is arranged in the insert, a certain included angle is formed between the core-pulling channel and the inclined top, the side inclined top penetrates through the core-pulling channel, a matching opening communicated with the core-pulling channel is further formed in the bottom of the side face of the insert, and the convex block penetrates through the matching opening during die assembly.
As a further optimization of the above technical solution: the die comprises a fixed die and a fixed die, and is characterized in that a first guide block and a second guide block are arranged on an inclined top connecting rod, the first guide block and the second guide block are fixed on the fixed die, the first guide block and the second guide block are matched to form an inclined slide, the inclination angle of the slide is the same as that of the inclined top, the inclined top connecting rod is located in the slide, a slide block cushion block is further fixed on the slide block, the slide block cushion block is abutted to the inclined top connecting rod during die assembly, and the spring is in a compression state.
As a further optimization of the above technical solution: the bottom of the pitched roof sliding seat is provided with a fixed groove and a sliding groove, the pitched roof connecting rod is positioned in the fixed groove, the bottom of the groove wall on one side of the sliding groove is bent inwards to form a sliding step, and the other end of the side pitched roof is provided with a step groove matched with the sliding step.
As a further optimization of the above technical solution: the spring is a nitrogen spring.
Compared with the prior art, the fixed die lifter is additionally provided with the side lifter, the movement of the lifter and the side lifter is synchronous and cannot interfere with each other, the side lifter and the side lifter can pull cores in the side lifter ejection process, the product demoulding integrity is ensured, the product yield is improved, and the production efficiency is greatly improved.
Drawings
FIG. 1 is a schematic perspective view of a fixed die multi-pitched roof ejection core pulling mechanism of an injection mold of the present invention, from which side pitched roofs and inserts are removed.
FIG. 2 is a schematic side view of the stationary mold part of FIG. 1.
Fig. 3 is a schematic perspective view of fig. 1 at another angle.
Fig. 4 is a schematic perspective view of the present invention.
Fig. 5 is a schematic front view of the structure of fig. 4.
Fig. 6 is a side view schematic of the structure of fig. 4.
Fig. 7 is a schematic perspective view of a fixed mold multiple-pitched roof ejection core-pulling mechanism using the injection mold of the present invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description. As shown in fig. 1-7, the fixed die multi-inclined top ejection core pulling mechanism using the injection mold of the invention comprises a movable die and a fixed die, wherein a slide block 1 is arranged in the movable die, an inclined top 2 is obliquely arranged in the fixed die, inclined top connecting rods 3 are fixed on the upper parts of both ends of the top of the inclined top 2, one end of a spring 4 is fixedly connected to the inclined top connecting rods 3, the other end of the spring 4 is fixed on the fixed die, a spring protecting cover 15 matched with the spring 4 is further fixed on the inclined top connecting rods 3, a first guide block 5 and a second guide block 6 are arranged on the inclined top connecting rods 3, the first guide block 5 and the second guide block 6 are both fixed on the fixed die, the first guide block 5 and the second guide block 6 are matched to form an inclined slide way 11, the inclination angle of the slide way 11 is the same as that of the inclined top 2, and the inclined top connecting rods 3 are positioned in the slide way 11, and a slider cushion block 7 is further fixed on the slider 1, the slider cushion block 7 is abutted against the pitched roof connecting rod 3 during die assembly, and the spring 4 is in a compressed state.
In the above technical scheme: the spring 4 is a nitrogen spring. The nitrogen spring has the characteristics of large elasticity, stable work and long service life, and improves the ejection stability of the pitched roof 2.
In the above technical scheme: as shown in fig. 4, the pitched roof connecting rod 3 and the pitched roof 2 shown in fig. 4 are schematic three-dimensional structures of another angle, the pitched roof sliding base 12 is fixed on the pitched roof connecting rod 3 through a screw, a fixing groove 121 and a sliding groove 122 are formed at the bottom of the pitched roof sliding base 12, the pitched roof connecting rod 3 is located in the fixing groove 121, the bottom of the groove wall of one side of the sliding groove 122 is bent inward to form a sliding step 123, a side pitched roof 13 is arranged in the sliding groove 122, a step groove 131 matched with the sliding step 123 is formed at one end of the side pitched roof 13, and the sliding step 123 and the step groove 131 are matched to play a role in guiding and sliding the lateral core pulling process of the side pitched roof 13. As shown in fig. 7, fig. 7 is a schematic perspective view of another angle of the fixed mold multi-pitched roof ejection core pulling mechanism of the injection mold of the present invention after the slider 1 and the slider cushion block 7 are removed, the other end of the side pitched roof 13 is provided with a bump 132 capable of forming a product by back-buckling, the pitched roof 2 is provided with an insert 14, the insert 14 is fixed on the fixed mold, an inclined core pulling channel 141 is formed in the insert 14, the core pulling channel 141 and the pitched roof 2 form a certain included angle, the side pitched roof 13 penetrates through the core pulling channel 141, the side pitched roof 13 and the pitched roof 2 are located on different planes, and the relative positions of the side pitched roof 13 and the pitched roof 2 are shown in fig. 5 and 6. The bottom of the side surface of the insert 14 is further provided with a matching opening 142 communicated with the core-pulling channel 141, and the projection 132 penetrates through the matching opening 142 during mold closing. In the ejection process, the spring 4 releases elasticity to drive the inclined ejector connecting rod 3 to perform inclined downward ejection motion along the direction B in the figure 6, meanwhile, the inclined ejector sliding seat 12 and the inclined ejector 2 also perform inclined downward motion along the direction B in the figure 6, the inclined ejector sliding seat 12 in the process provides downward motion acting force for the side inclined ejector 13, and as the insert 14 is fixed, the core-pulling slide 141 which is obliquely arranged limits the moving direction of the side inclined ejector 13, the side inclined ejector 13 moves downward and simultaneously moves along the core-pulling slide 141 in the direction A in the figure 5, the bump 132 is gradually separated from the product back-off, and the side inclined ejector 13 performs side core-pulling in the ejection process of the inclined ejector 2.
In the above technical scheme: as shown in fig. 2 and 3, the first guide block 5 includes a first fixing portion 51 and a first right-angle trapezoidal block 52 located at the bottom of the first fixing portion 51, the second guide block 6 includes a second fixing portion 61 and a second right-angle trapezoidal block 62 located at the bottom of the second fixing portion 61 and disposed in an inverted manner, and an inclined surface of the first right-angle trapezoidal block 52 and an inclined surface of the second right-angle trapezoidal block 62 cooperate to form the slideway 11.
In the above technical scheme: as shown in fig. 3, a section of chute 21 is formed on one side surface of the lifter 2, a lifter guide rail 9 is arranged in the chute 21, the lifter guide rail 9 is obliquely fixed on the insert 14, the inclination angle of the lifter guide rail 9 is the same as that of the lifter 2, the chute 21 and the lifter guide rail 9 are matched to play a role in guiding and sliding in the ejection process and the resetting process of the lifter 2, the lower end of the chute 21 is closed, the lifter guide rail 9 is located at the lower end of the chute 21 during die assembly, and the chute 21 and the lifter guide rail 9 are matched to play a role in limiting in the resetting process of the lifter 2.
In the above technical scheme: the angle lifter connecting rod 3 is further provided with an angle lifter cushion block 8, the angle lifter cushion block 8 is fixed on the fixed die, the horizontal plane where the bottom surface of the angle lifter cushion block 8 is located is not higher than the horizontal plane where the top end of the slide rail 11 is located, the angle lifter cushion block 8 plays a limiting role in the resetting process of the angle lifter connecting rod 3, and the angle lifter connecting rod 3 is prevented from being excessively separated from the slide rail 11 due to resetting.
In the above technical scheme: as shown in fig. 2, wear-resistant plates 10 are fixed on two end faces of the lifter 2, and the wear-resistant plates 10 are specifically graphite copper wear-resistant plates, so that the lifter 2 is prevented from moving and seizing due to mutual interference between thermal expansion and other structures.
The working process of the invention is as follows, after the injection molding is finished, the fixed mold and the movable mold are separated, the movable mold drives the sliding block 1 and the sliding block cushion block 7 to move downwards, the spring 4 releases the elastic force to drive the inclined top connecting rod 3 to move downwards in the slide way 11 along the direction B in the figure 6, the inclined top 2 also moves along the inclined top slide way 9 towards the direction B, the inclined top slide seat 12 in the process provides the acting force of the downward movement for the side inclined top 13, the side inclined top 13 moves downwards and simultaneously generates displacement along the core-pulling slide way 141 in the direction A in the figure 5, the convex block 132 gradually breaks away from the product and is reversely buckled until the product is completely separated from the fixed mold, and the inclined top 2 and the side inclined top 13 are ejected completely.
During the compound die, slider 1 resets, and the movable mould removes to cover half department, and slider cushion 7 extrudees the oblique top connecting rod 3 gradually and makes it remove in moving toward the cover half, and spring 4 is compressed gradually, and top 2 and the oblique top 13 of inclining also remove along with the oblique top connecting rod 3 in moving toward the cover half, and top 2 and the oblique top 13 of inclining all reset along the angle of slope separately to one side in this process, and until top 2 is spacing by the oblique top guide rail 9 to one side, and top connecting rod 3 is spacing by the oblique top cushion 8 to one side, and the resetting finishes.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concept of the present invention should fall within the scope of the present invention.
Claims (1)
1. The side inclined top core pulling mechanism of the injection mold comprises a movable mold and a fixed mold, wherein a sliding block (1) is arranged in the movable mold, and an inclined top (2) is obliquely arranged in the fixed mold, and is characterized in that inclined top connecting rods (3) are fixed on the upper portions of two ends of the top of the inclined top (2), one end of a spring (4) is fixedly connected to the inclined top connecting rods (3), the other end of the spring (4) is fixed on the fixed mold, an inclined top sliding seat (12) is fixed on the inclined top connecting rods (3), a side inclined top (13) is arranged on the inclined top sliding seat (12) in a sliding manner, a convex block (132) capable of enabling a product to be formed in a back-buckling manner is arranged at one end of the side inclined top (13), an insert block (14) is arranged on the inclined top (2), the insert block (14) is fixed on the fixed mold, an inclined core pulling channel (141) is arranged in the insert (14), and the core pulling channel (141) and the inclined top (2) form a certain included angle, the side inclined top (13) penetrates through the core-pulling channel (141), the bottom of the side surface of the insert (14) is also provided with a matching opening (142) communicated with the core-pulling channel (141), and the bump (132) penetrates through the matching opening (142) during die assembly;
a first guide block (5) and a second guide block (6) are arranged on the pitched roof connecting rod (3), the first guide block (5) and the second guide block (6) are fixed on the fixed die, the first guide block (5) and the second guide block (6) are matched to form an inclined slide way (11), the inclination angle of the slide way (11) is the same as that of the pitched roof (2), the pitched roof connecting rod (3) is positioned in the slide way (11), a slide block cushion block (7) is further fixed on the slide block (1), the slide block cushion block (7) is abutted to the pitched roof connecting rod (3) when die assembly is carried out, and the spring (4) is in a compressed state;
the bottom of the pitched roof sliding seat (12) is provided with a fixing groove (121) and a sliding groove (122), the pitched roof connecting rod (3) is positioned in the fixing groove (121), the bottom of the groove wall of one side of the sliding groove (122) is bent inwards to form a sliding step (123), and the other end of the side pitched roof (13) is provided with a step groove (131) matched with the sliding step (123);
the spring (4) is a nitrogen spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010265382.6A CN111331795B (en) | 2020-04-07 | 2020-04-07 | Side-inclined top core-pulling mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010265382.6A CN111331795B (en) | 2020-04-07 | 2020-04-07 | Side-inclined top core-pulling mechanism of injection mold |
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| Publication Number | Publication Date |
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| CN111331795A CN111331795A (en) | 2020-06-26 |
| CN111331795B true CN111331795B (en) | 2022-02-11 |
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| CN202010265382.6A Active CN111331795B (en) | 2020-04-07 | 2020-04-07 | Side-inclined top core-pulling mechanism of injection mold |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910556A (en) * | 2020-07-07 | 2022-01-11 | 宁波奥克斯电气股份有限公司 | Combined inclined top core-pulling mechanism and core-pulling mold |
| CN115230094B (en) * | 2022-08-01 | 2023-05-05 | 宁波建林模具有限公司 | Inner core-pulling injection mold with spring protection mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60231564A (en) * | 1984-05-02 | 1985-11-18 | Kyokuto Diecast Kk | Die for casting die cast product having middle recess in bore |
| EP1424185A1 (en) * | 2002-11-30 | 2004-06-02 | Steffen Hachtel | Mould and injection moulding method |
| CN201659652U (en) * | 2010-04-01 | 2010-12-01 | 嘉兴信元精密模具科技有限公司 | Obliquely jacking demoulding structure |
| CN202106508U (en) * | 2011-05-11 | 2012-01-11 | 延锋伟世通汽车模具有限公司 | Core-knockout and inclined ejection integrated structure |
| CN202986023U (en) * | 2012-12-24 | 2013-06-12 | 台州市黄岩星泰塑料模具有限公司 | Core-pulling mechanism applied to oversized reverse demolding gradient |
| CN204749166U (en) * | 2015-07-21 | 2015-11-11 | 东江模具（深圳）有限公司 | Push up joint core pulling and demolding mechanism to one side |
| CN206124137U (en) * | 2016-10-20 | 2017-04-26 | 宁波周龙塑胶模具有限公司 | Oblique top that two sections differentials of injection mold were taken out to one side device of loosing core |
| CN108943611A (en) * | 2018-09-28 | 2018-12-07 | 奥克斯空调股份有限公司 | A kind of inclined-tip core mechanism and injection mold |
| CN109822837A (en) * | 2019-04-15 | 2019-05-31 | 宁波奥克斯电气股份有限公司 | A kind of sliding block inclined-tip core mechanism and injection mold |
| CN212021549U (en) * | 2020-04-07 | 2020-11-27 | 浙江台州美多模具有限公司 | Side-inclined top core-pulling mechanism of injection mold |
-
2020
- 2020-04-07 CN CN202010265382.6A patent/CN111331795B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60231564A (en) * | 1984-05-02 | 1985-11-18 | Kyokuto Diecast Kk | Die for casting die cast product having middle recess in bore |
| EP1424185A1 (en) * | 2002-11-30 | 2004-06-02 | Steffen Hachtel | Mould and injection moulding method |
| CN201659652U (en) * | 2010-04-01 | 2010-12-01 | 嘉兴信元精密模具科技有限公司 | Obliquely jacking demoulding structure |
| CN202106508U (en) * | 2011-05-11 | 2012-01-11 | 延锋伟世通汽车模具有限公司 | Core-knockout and inclined ejection integrated structure |
| CN202986023U (en) * | 2012-12-24 | 2013-06-12 | 台州市黄岩星泰塑料模具有限公司 | Core-pulling mechanism applied to oversized reverse demolding gradient |
| CN204749166U (en) * | 2015-07-21 | 2015-11-11 | 东江模具（深圳）有限公司 | Push up joint core pulling and demolding mechanism to one side |
| CN206124137U (en) * | 2016-10-20 | 2017-04-26 | 宁波周龙塑胶模具有限公司 | Oblique top that two sections differentials of injection mold were taken out to one side device of loosing core |
| CN108943611A (en) * | 2018-09-28 | 2018-12-07 | 奥克斯空调股份有限公司 | A kind of inclined-tip core mechanism and injection mold |
| CN109822837A (en) * | 2019-04-15 | 2019-05-31 | 宁波奥克斯电气股份有限公司 | A kind of sliding block inclined-tip core mechanism and injection mold |
| CN212021549U (en) * | 2020-04-07 | 2020-11-27 | 浙江台州美多模具有限公司 | Side-inclined top core-pulling mechanism of injection mold |
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| CN111331795A (en) | 2020-06-26 |
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Denomination of invention: Side inclined top core pulling mechanism of injection mold Effective date of registration: 20220727 Granted publication date: 20220211 Pledgee: Industrial Commercial Bank of China Ltd. Taizhou Huangyan branch Pledgor: ZHEJIAG TAIZHOU MEIDUO MOULD Co.,Ltd. Registration number: Y2022330001541 |