CN110154334B - Multi-direction core-pulling mechanism for sliding block of injection mold - Google Patents
Multi-direction core-pulling mechanism for sliding block of injection mold Download PDFInfo
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- CN110154334B CN110154334B CN201910480226.9A CN201910480226A CN110154334B CN 110154334 B CN110154334 B CN 110154334B CN 201910480226 A CN201910480226 A CN 201910480226A CN 110154334 B CN110154334 B CN 110154334B
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- groove
- sliding block
- sliding
- inclined top
- limiting
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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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
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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 multi-direction slider core pulling mechanism of an injection mold, which comprises a slider, wherein the slider is slidably arranged on a movable mold, a bent pin groove is formed in the slider, a bent pin penetrates through the bent pin groove and is fixed on a fixed mold, an inclined top groove which is obliquely arranged is also formed in the slider, an inclined top penetrates through the inclined top groove, and the inclined top comprises an inclined top head which enables a product to be reversely buckled and an inclined top rod which is connected with the inclined top head. Compared with the prior art, the rear outer barrel and the computer board mounting box are integrated into a piece and then injection molding production is carried out, and the inclined top and the auxiliary sliding block are arranged on the sliding block, so that core pulling at different positions in different directions is realized, the mold can be smoothly demoulded, the mold structure is simplified, and the production efficiency is improved.
Description
Technical Field
The invention relates to a multi-direction core-pulling mechanism for a sliding block of an injection mold, and belongs to the technical field of injection molds.
Background
The drum washing machine rear outer barrel is one of important components of the drum washing machine, the rear outer barrel is originally formed by assembling a functional part rear outer barrel and a computer board mounting box together, two pairs of dies are required to be opened when the rear outer barrel and the computer board mounting box are separately injected, two injection molding machines are occupied, the production efficiency is low, and the later-stage assembly is complicated. However, if the rear outer barrel and the computer board mounting box are integrated into a piece, injection molding is carried out on the same injection molding machine, the mold structure is complex, back-off and core pulling in different directions exist, the core pulling difficulty is high, the rejection rate is high, and the realization is difficult.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a multi-direction slider core-pulling mechanism of an injection mold, which is suitable for integrated injection molding of a rear outer barrel and a computer board mounting box.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the multi-direction core pulling mechanism for the sliding block of the injection mold comprises the sliding block, wherein the sliding block is slidably mounted on a movable mold, a bent pin groove is formed in the sliding block, a bent pin penetrates through the bent pin groove, the bent pin is fixed on a fixed mold, an inclined ejection groove which is obliquely arranged is further formed in the sliding block, an inclined ejector is penetrated through the inclined ejection groove, and the inclined ejector comprises an inclined ejector head for enabling a product to be reversely buckled and connected with the inclined ejector rod of the inclined ejector head.
As a further optimization of the above technical solution: an auxiliary sliding block is arranged on the side face of the sliding block, a protruding clamping block is arranged on one side of the auxiliary sliding block, a clamping groove is formed in the corresponding position of the sliding block, and the clamping block is positioned in the clamping groove and slides up and down;
the bottom system of supplementary slider has the I-shaped groove, the I-shaped inslot cooperation is equipped with the I-shaped guide rail, the I-shaped guide rail slope sets up, just the one end that the mould die cavity was kept away from to the I-shaped guide rail is higher than the one end that is close to the mould die cavity, the middle part system of I-shaped guide rail both sides has the recess, be equipped with the layering in the recess, the layering will the I-shaped guide rail is fixed on the movable mould, the bottom that the mould die cavity was kept away from to the I-shaped guide rail is equipped with the stopper, the stopper is fixed on the movable mould.
As a further optimization of the above technical solution: the afterbody of oblique ejector pin is equipped with the slider of leading, it fixes to lead the slider on the movable mould, it includes the spout and is located to lead the slider the slip plane of spout both sides, slip planar tip system has the limiting plate, the slip plane with the joint position system of limiting plate has the arc wall, the arc wall with the spout communicates with each other, the afterbody of oblique ejector pin still is fixed with the smooth foot, smooth foot include with oblique ejector pin fixed connection's smooth foot main part and be located the lug of smooth foot main part both sides, the bottom surface of lug is higher than the bottom surface of smooth foot main part forms smooth foot step with it, the lug is located in the arc wall, smooth foot main part is located in the spout between the limiting plate.
As a further optimization of the above technical solution: the inclined ejector rod is provided with a first limiting groove and a second limiting groove, the cross sections of the first limiting groove and the second limiting groove are arc-shaped, the plane between the first limiting groove and the second limiting groove is lower than the upper surface of the inclined ejector rod, and a limiting steel ball moving along the plane between the first limiting groove and the second limiting groove is further installed in the inclined ejector groove.
As a further optimization of the above technical solution: the limiting steel ball comprises a cylinder body, the cylinder body is fixed in an inclined top groove of the sliding block, a spring groove is formed in the cylinder body, a spring is installed in the spring groove, one end of the spring is fixed at the bottom of the spring groove, and the other end of the spring is connected with a ball.
As a further optimization of the above technical solution: pressing strips are installed on two sides of the sliding block, the lower portion of each pressing strip is concave inwards to form a sliding guide step, and the upper portions of the side faces of the two sides of the sliding block are concave inwards to form sliding block steps matched with the sliding guide steps.
Compared with the prior art, the rear outer barrel and the computer board mounting box are integrated into a piece and then injection molding production is carried out, and the inclined top and the auxiliary sliding block are arranged on the sliding block, so that core pulling at different positions in different directions is realized, the mold can be smoothly demoulded, the mold structure is simplified, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a core pulling portion according to the present invention.
Fig. 3 is a schematic perspective view of the pitched roof of the present invention.
Fig. 4 is a schematic perspective view of an auxiliary slider according to the present invention.
Fig. 5 is a schematic sectional structure view of the limiting steel ball in the invention.
Fig. 6 is a perspective view of the skate of the present invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description. As shown in fig. 1-6, the multi-directional slider core pulling mechanism of the injection mold comprises a slider 1, wherein the slider 1 is slidably mounted on a movable mold, a bending pin groove 101 is formed in the slider 1, a bending pin 2 penetrates through the bending pin groove 101, the bending pin 2 is fixed on a fixed mold, an inclined top groove 103 which is obliquely arranged is further formed in the slider 1, an inclined top is penetrated through the inclined top groove 103, the inclined top comprises an inclined top 12 which enables a product to be reversely buckled 13 to be molded and an inclined top rod 4 which is connected with the inclined top 12, and as shown in fig. 2, the product to be reversely buckled 13 is located in a product a region.
In the above technical scheme: as shown in fig. 4, an auxiliary sliding block 8 is disposed on a side surface of the sliding block 1, a protruding locking block 81 is disposed on one side of the auxiliary sliding block 8, a locking groove is disposed at a corresponding position of the sliding block 1, and the locking block 81 is located in the locking groove and slides up and down.
In the above technical scheme: the bottom system of supplementary slider 8 has I-shaped groove 82, I-shaped groove 82 fit in is equipped with I-shaped guide rail 9, I-shaped guide rail 9 slope sets up, just the one end that mould die cavity was kept away from to I-shaped guide rail 9 is higher than the one end that is close to the mould die cavity, the inclination of I-shaped guide rail 9 is the same with the required angle of loosing core of regional drawing of patterns of product B, and the inclination of I-shaped guide rail 9 is 15 (15 with the horizontal direction contained angle) in this embodiment. The middle parts of two sides of the I-shaped guide rail 9 are provided with grooves 91, press strips 10 are arranged in the grooves 91, the I-shaped guide rail 9 is fixed on the movable die through the press strips 10, the bottom of one end, far away from the die cavity, of the I-shaped guide rail 9 is provided with a limiting block 11, and the limiting block 11 is fixed on the movable die. The limiting blocks 11 play a certain supporting role in the I-shaped guide rail 9, so that the I-shaped guide rail 9 is obliquely arranged. The I-shaped guide rail 9 is obliquely arranged, so that the auxiliary sliding block 8 is driven by the sliding block 1 to move obliquely upwards along the I-shaped guide rail 9, and the core pulling of the auxiliary sliding block 8 and the product B area is realized.
In the above technical scheme: as shown in fig. 3, a guide slider 7 is arranged at the tail of the oblique ejector rod 4, the guide slider 7 is fixed on the movable mold, the guide slider 7 comprises a sliding groove 71 and sliding planes 74 located at two sides of the sliding groove 71, a limiting plate 72 is arranged at the end of the sliding plane 74, an arc-shaped groove 73 is arranged at the joint of the sliding plane 74 and the limiting plate 72, and the arc-shaped groove 73 is communicated with the sliding groove 71. The tail of the oblique ejector rod 4 is further fixed with a sliding foot 6, as shown in fig. 6, the sliding foot 6 comprises a sliding foot main body fixedly connected with the oblique ejector rod 4 and a convex block 61 located on two sides of the sliding foot main body, the bottom surface of the convex block 61 is higher than the bottom surface of the sliding foot main body and forms a sliding foot step 62 with the bottom surface, the convex block 61 is located in the arc-shaped groove 73, the sliding foot main body is located in the sliding groove 71 between the limiting plates 72, namely the sliding foot 6 is limited by the guide sliding block 7, so that the sliding block 1 cannot drive the oblique ejector to do horizontal core pulling movement during core pulling, and the product reverse buckle 13 is prevented from being damaged by the oblique ejector.
In the above technical scheme: the inclined ejector rod 4 is provided with a first limiting groove 41 and a second limiting groove 42, the cross section of the first limiting groove 41 and the cross section of the second limiting groove 42 are circular, the plane between the first limiting groove 41 and the second limiting groove 42 is lower than the upper surface of the inclined ejector rod 4, and a limiting steel ball 5 moving along the plane between the first limiting groove 41 and the second limiting groove 42 is further installed in the inclined ejector groove 103. The first limiting groove 41 and the second limiting groove 42 play a limiting role on the limiting steel ball 5, and when the die is closed, the limiting steel ball 5 is positioned in the first limiting groove 41; after the injection molding is finished, the limiting steel ball 5 is driven by the sliding block 1 to move on the plane between the first limiting groove 41 and the second limiting groove 42, and as the upper surface of the inclined ejector rod 4 is higher than the plane between the first limiting groove 41 and the second limiting groove 42, the limiting steel ball 5 is clamped when the limiting steel ball 5 moves into the second limiting groove 42.
In the above technical scheme: as shown in fig. 5, the limiting steel ball 5 includes a cylinder 51, the cylinder 51 is fixed on the inclined top groove 103 of the slider 1, a spring groove 52 is formed in the cylinder 51, a spring 53 is installed in the spring groove 52, one end of the spring 53 is fixed at the bottom of the spring groove 52, and the other end is connected with a ball 54. The principle that the limiting steel balls 5 are matched with the first limiting groove 41 and the second limiting groove 42 is as follows: when the sliding block 1 starts to translate backwards for core pulling, the limiting steel balls 5 are driven to be separated from the first limiting groove 41, at the moment, the spring 53 is compressed, and the ball bearings 54 are retracted into the spring groove 52; when the limiting steel ball 5 moves to the second limiting groove 42, the spring 53 is elastically released, and the ball 54 is clamped in the second limiting groove 42.
In the above technical scheme: the two sides of the sliding block 1 are provided with press strips 3, the lower parts of the press strips 3 are concave to form sliding guide steps 31, and the upper parts of the side surfaces of the two sides of the sliding block 1 are concave to form sliding block steps 102 matched with the sliding guide steps 31. The sliding guide step 31 and the sliding block step 102 are matched to play a role in guiding and sliding the core pulling process of the sliding block 1, so that the sliding is smoother.
The working process of the invention is as follows, after the injection molding is finished, the movable mold and the fixed mold are separated, the bent pin 2 drives the slide block 1 to do translational core pulling movement backwards, the slide block 1 is gradually separated from the product, and the auxiliary slide block 8 is driven to move obliquely upwards along the I-shaped guide rail 9 in the process, so that the separation of the auxiliary slide block 8 and the product B area is realized. Because the sliding foot 6 is limited by the guide sliding block 7, when the sliding block 1 is used for horizontally pulling the core, the inclined top vertically pulls the core upwards under the action of the inclined top groove 103, and the sliding foot 6 slides upwards in the arc-shaped groove 73 to play a role of guiding the inclined top, so that the inclined top head 12 is separated from the product back-off 13. Meanwhile, the limiting steel ball 5 is driven by the sliding block 1 to move on the plane between the first limiting groove 41 and the second limiting groove 42, and because the upper surface of the inclined ejector rod 4 is higher than the plane between the first limiting groove 41 and the second limiting groove 42, when the limiting steel ball 5 moves into the second limiting groove 42, the limiting steel ball 5 is clamped, and then the inclined ejector moves synchronously along with the sliding block 1. At this point, the cam 61 has slid out of the arc-shaped slot 73, i.e. the runner step 62 is in the same plane as the sliding plane 74, so that during the simultaneous translation of the lifter and the slider 1, the runner 6 translates along the chute 71, causing the lifter 12 to leave the area of product a.
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 (4)
1. The multi-direction core pulling mechanism for the sliding block of the injection mold comprises the sliding block (1), wherein the sliding block (1) is slidably mounted on a movable mold, and is characterized in that a bent pin groove (101) is formed in the sliding block (1), a bent pin (2) penetrates through the bent pin groove (101), the bent pin (2) is fixed on a fixed mold, an inclined top groove (103) which is obliquely arranged is further formed in the sliding block (1), an inclined top penetrates through the inclined top groove (103), and the inclined top comprises an inclined top (12) for forming a product back-off (13) and an inclined top rod (4) connected with the inclined top (12);
an auxiliary sliding block (8) is arranged on the side face of the sliding block (1), a protruding clamping block (81) is arranged on one side of the auxiliary sliding block (8), a clamping groove is formed in the corresponding position of the sliding block (1), and the clamping block (81) is located in the clamping groove and slides up and down;
the auxiliary sliding block is characterized in that an I-shaped groove (82) is formed in the bottom of the auxiliary sliding block (8), an I-shaped guide rail (9) is arranged in the I-shaped groove (82) in a matched mode, the I-shaped guide rail (9) is arranged in an inclined mode, one end, far away from a die cavity, of the I-shaped guide rail (9) is higher than one end, close to the die cavity, of the I-shaped guide rail, a groove (91) is formed in the middle of each of two sides of the I-shaped guide rail (9), a pressing strip (10) is arranged in each groove (91), the I-shaped guide rail (9) is fixed on the movable die through the pressing strip (10), a limiting block (11) is arranged at the bottom, far away from the die cavity, of the I-shaped guide rail (9), and the limiting block (11) is fixed on the movable die;
pressing strips (3) are mounted on two sides of the sliding block (1), the lower portion of each pressing strip (3) is concave inwards to form a sliding guide step (31), and the upper portions of the side surfaces of the two sides of the sliding block (1) are concave inwards to form sliding block steps (102) matched with the sliding guide steps (31);
after finishing injection molding, the movable mold and the fixed mold are separated, the bent pin (2) drives the sliding block (1) to perform translational core-pulling motion, the inclined top is used for vertically pulling the core upwards under the action of the inclined top groove (103), and the auxiliary sliding block (8) is driven by the sliding block (1) to move upwards along the I-shaped guide rail (9) in an inclined mode.
2. The multidirectional sliding block core pulling mechanism of the injection mold according to claim 1, wherein a guide sliding block (7) is arranged at the tail of the oblique ejector rod (4), the guide sliding block (7) is fixed on the movable mold, the guide sliding block (7) comprises a sliding groove (71) and sliding planes (74) positioned at two sides of the sliding groove (71), a limit plate (72) is arranged at the end of the sliding plane (74), an arc-shaped groove (73) is arranged at the joint of the sliding plane (74) and the limit plate (72), the arc-shaped groove (73) is communicated with the sliding groove (71), a sliding foot (6) is further fixed at the tail of the oblique ejector rod (4), the sliding foot (6) comprises a sliding foot main body fixedly connected with the oblique ejector rod (4) and convex blocks (61) positioned at two sides of the sliding foot main body, the bottom surface of the convex block (61) is higher than the bottom surface of the sliding foot main body and forms a sliding foot step (62) with the sliding foot main body, the convex block (61) is positioned in the arc-shaped groove (73), and the sliding foot main body is positioned in a sliding groove (71) between the limiting plates (72).
3. The multidirectional sliding block core pulling mechanism of the injection mold according to claim 1, wherein the oblique ejector rod (4) is provided with a first limiting groove (41) and a second limiting groove (42) with circular arc-shaped cross sections, the plane between the first limiting groove (41) and the second limiting groove (42) is lower than the upper surface of the oblique ejector rod (4), and a limiting steel ball (5) moving along the plane between the first limiting groove (41) and the second limiting groove (42) is further installed in the oblique ejector groove (103).
4. The multidirectional slider core pulling mechanism of the injection mold as claimed in claim 3, wherein the limiting steel ball (5) comprises a cylinder (51), the cylinder (51) is fixed in an inclined top groove (103) of the slider (1), a spring groove (52) is formed in the cylinder (51), a spring (53) is installed in the spring groove (52), one end of the spring (53) is fixed at the bottom of the spring groove (52), and the other end of the spring is connected with a ball (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910480226.9A CN110154334B (en) | 2019-06-04 | 2019-06-04 | Multi-direction core-pulling mechanism for sliding block of injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910480226.9A CN110154334B (en) | 2019-06-04 | 2019-06-04 | Multi-direction core-pulling mechanism for sliding block of injection mold |
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| CN110154334A CN110154334A (en) | 2019-08-23 |
| CN110154334B true CN110154334B (en) | 2021-08-24 |
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| CN201910480226.9A Active CN110154334B (en) | 2019-06-04 | 2019-06-04 | Multi-direction core-pulling mechanism for sliding block of injection mold |
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| CN210116135U (en) * | 2019-06-04 | 2020-02-28 | 浙江台州美多模具有限公司 | Multi-direction core-pulling mechanism for sliding block of injection mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3114161B2 (en) * | 1991-10-14 | 2000-12-04 | 三菱マテリアル株式会社 | Mold equipment |
| KR20050064973A (en) * | 2003-12-24 | 2005-06-29 | 주식회사 팬택앤큐리텔 | Injection molding apparatus for using slide-cam |
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| CN102962962A (en) * | 2012-11-27 | 2013-03-13 | 台州市凯华塑业有限公司 | Internal core-pulling mechanism of bent pin slide block of injection mold |
| CN104015311A (en) * | 2014-06-09 | 2014-09-03 | 广东科龙模具有限公司 | Injection molding mold with rotary core-pulling mechanism |
| CN205651613U (en) * | 2016-05-09 | 2016-10-19 | 牟维军 | Multi -direction mold machine of loosing core constructs |
| CN207256788U (en) * | 2017-08-25 | 2018-04-20 | 上海奔旭精密模具有限公司 | Lifter demoulding mechanism is walked in a kind of sliding block |
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Denomination of invention: Slider multi direction core pulling mechanism of injection mold Effective date of registration: 20220727 Granted publication date: 20210824 Pledgee: Industrial Commercial Bank of China Ltd. Taizhou Huangyan branch Pledgor: ZHEJIAG TAIZHOU MEIDUO MOULD Co.,Ltd. Registration number: Y2022330001541 |
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