CN109049552B - Continuous jumping type injection mold opening method - Google Patents
Continuous jumping type injection mold opening method Download PDFInfo
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- CN109049552B CN109049552B CN201811031813.1A CN201811031813A CN109049552B CN 109049552 B CN109049552 B CN 109049552B CN 201811031813 A CN201811031813 A CN 201811031813A CN 109049552 B CN109049552 B CN 109049552B
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- product
- slide block
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- movable mould
- oil cylinder
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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
- B29C45/42—Removing or ejecting moulded articles using means movable from outside the mould between mould parts, e.g. robots
- B29C45/4225—Take-off members or carriers for the moulded articles, e.g. grippers
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a continuous jumping type injection mold opening method, which comprises the following steps: (1) the core pulling of the first oil cylinder drives the connecting sliding block to push the forming sliding block to float upwards, so that the product floats upwards, the product is separated from the movable mould cavity, and meanwhile, the product reaches a positioning position to clamp the product; (2) the core pulling of the first oil cylinder continues to drive the connecting slide block and the forming slide block to reach the limiting position of the limiting slide block, and meanwhile, the positioning clamp is clamped under the action of the guide groove to complete the opening action; (3) the first oil cylinder continues to pull the core to drive the limiting slide block to be separated from the limiting drag hook, floating of the movable template and the movable mold liner is completed, the product is separated from the forming slide block, and the product is supported; the invention forms plastic products with continuous length by the injection mold, and has low cost and high efficiency compared with the traditional extrusion mold.
Description
This application is a divisional application to patent application No. 201610948431X, entitled continuous jump injection mold.
Technical Field
The invention discloses a continuous jumping type injection mold opening method, which belongs to the technical field of injection mold manufacturing according to the division of an International Patent Classification (IPC).
Background
The buckle strip of the filter mesh belt or the mesh bag is formed by connecting two pull belts A with teeth in a staggered and butted mode and connecting long strips in series, wherein the pull belt A is shown in figure 1, the length of one pull belt is usually two meters or three meters, and a long strip through hole A0 is formed in each tooth part. At present, longer plastic products are generally processed and formed by extrusion dies, such as high production cost and low efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a continuous jumping type injection mold opening method which is used for producing plastic products with continuous lengths, and has low cost and high efficiency.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a continuous jumping type injection mold opening method comprises the following steps:
(1) the core pulling of the first oil cylinder drives the connecting sliding block to push the forming sliding block to float upwards, so that the product floats upwards, the product is separated from the movable mould cavity, and meanwhile, the product reaches a positioning position to clamp the product;
(2) the core pulling of the first oil cylinder continues to drive the connecting slide block and the forming slide block to reach the limiting position of the limiting slide block, and meanwhile, the positioning clamp is clamped under the action of the guide groove to complete the opening action;
(3) the first oil cylinder continues to pull the core to drive the limiting slide block to be separated from the limiting drag hook, floating of the movable template and the movable mold liner is completed, the product is separated from the forming slide block, and the product is supported;
wherein formula of jumping injection mold in succession includes movable mould board and bottom plate, compression spring between movable mould board and the bottom plate, be equipped with the movable mould courage on the movable mould board, the movable mould board is equipped with transverse slide, be equipped with shaping slider and link block in this slide, wherein the extension in the die cavity of shaping slider to the movable mould courage, shaping slider one side is equipped with the holder, shaping slider and link block complex front and back end are equipped with corresponding step, link block is connected with first hydro-cylinder, hydro-cylinder drive link block transversely slides and drives raises the shaping slider, be equipped with spacing slider below the link block, spacing slider and spacing drag hook effect, spacing drag hook includes bottom plate drag hook and movable mould board drag hook, the movable mould board come-up makes the product break away from the shaping slider when spacing slider breaks away from bottom plate drag.
Further, in the step (3), the product is separated from the forming slide block to support the product, meanwhile, the product is clamped by the clamp on the support connected with one side of the bottom plate, and the side positioning clamp enters the return guide groove;
(4) and the first oil cylinder simultaneously pushes the forming slide block to return, and finally, the injection molding machine is used for mold closing.
Furthermore, the clamping piece comprises a positioning clamp and a clamping seat, the clamping seat is fixed on the forming sliding block, the tail of the positioning clamp is arranged in a guide groove on one side, the guide groove comprises an ascending chute, a descending chute and a vertical groove communicated with the ascending chute, and a guide pressing block is arranged at one end of the guide groove so that the positioning clamp can be transferred to the descending chute from the ascending chute.
The invention forms plastic products with continuous length by the injection mold, and has low cost and high efficiency compared with the traditional extrusion mold.
Drawings
Fig. 1 is a schematic view of a snap strip of a prior art mesh belt or bag.
Fig. 2 is a schematic view of an embodiment of the present invention.
Fig. 3 is a longitudinal sectional view of an embodiment of the present invention.
Fig. 4 is a transverse cross-sectional view of the drag hook of the embodiment of the present invention.
FIG. 5 is a drawing of the invention with a shaped slider engaged with a connecting slider.
Fig. 6 is an overall view of an embodiment of the present invention in cooperation with a stationary mold.
FIG. 7 is a schematic view of a mold clamping state according to an embodiment of the present invention.
FIG. 8 is a schematic view illustrating a first state of mold opening according to the embodiment of the present invention.
FIG. 9 is a schematic view of a third state of the mold opening according to the embodiment of the present invention.
FIG. 10 is a diagram illustrating a fourth state of the mold opening according to the embodiment of the present invention.
FIG. 11 is a diagram illustrating a fifth state of opening the mold according to the embodiment of the present invention.
FIG. 12 is a diagram illustrating a sixth state of the mold opening according to the embodiment of the present invention.
Fig. 13 is a diagram illustrating a seventh state of opening the mold according to the embodiment of the present invention.
Fig. 14 is a schematic view of the snap strip of the embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
example (b): referring to fig. 2 to 6 and 14, a continuous jumping injection mold comprises a movable mold plate 1 and a bottom plate 2, wherein compression springs 3 are arranged between the movable mold plate 1 and the bottom plate 2, the number of the compression springs is at least 2, the number of the compression springs can be 2, 3, 4 or more, a movable mold core 4 is arranged on the movable mold plate 1, the movable mold plate 1 is provided with a transverse slideway, a forming slide block 5 and a connecting slide block 6 are arranged in the slideway, wherein the forming slide block 5 extends into a cavity of the movable mold core 4, a clamping piece 7 is arranged at one side of the forming slide block 5, corresponding steps 501 and 601 are arranged at the front end and the rear end of the matching of the forming slide block 5 and the connecting slide block 6, the connecting slide block 6 is connected with a first oil cylinder 81, the oil cylinder drives the connecting slide block 6 to transversely slide and drive the lifting forming slide block 5, a limit slide block 9 is arranged below the connecting slide block 6, the limit slide block 9 acts, when the limiting slide block 9 is separated from the bottom plate drag hook and the movable template drag hook, the movable template 1 floats upwards to separate the product from the forming slide block 5. The movable mould plate 5 is provided with a drawing rod 10, one end of the drawing rod 10 is introduced into the cavity forming through hole of the movable mould liner 4, and the other end of the drawing rod 10 is connected with a second oil cylinder 82. The clamping piece 7 comprises a positioning clamp 71 and a clamping seat 72, wherein the clamping seat 72 is fixed on a forming slide block 5, the tail part of the positioning clamp 71 is arranged in a guide groove on one side, the guide groove comprises an ascending slide groove 111, a descending slide groove 112 and a vertical groove communicated with the ascending slide groove 111, a guide pressing block 11 is arranged at one end of the guide groove so that the positioning clamp is transferred from the ascending slide groove to the descending slide groove, the vertical groove is positioned at the opposite end of the guide pressing block of the guide groove, when the mold is opened for three times, a core of a first oil cylinder 81 is pulled to drive a connecting slide block 6 to push the forming slide block 5 to float upwards, and a production opening clamped by the positioning. One side of the bottom plate 2 is connected with a bracket 12, and the bracket 12 is provided with a clamp 13 for clamping a molded injection molding piece. According to the invention, the forming slide block 5 and the connecting slide block 6 are in an I-shaped slide rail 602 matching structure, a limiting stop rod and a matching stop rod hole 502 are arranged in an I-shaped cavity of the forming slide block 5, the forming slide block 5 and the connecting slide block 6 are respectively provided with a step structure 501 and a step structure 601 at the front end and the rear end of the I-shaped slide rail matching structure, one end of the bottom of the connecting slide block 6 is provided with a protrusion 603, and the protrusion and a boss 901 of the limiting slide block act to pull the limiting slide block 9 to be separated from. A limiting slide block 9 is arranged in a side groove of a bottom plate 2, a support 12 is arranged on one side of the limiting slide block 9, a compression spring 121 is arranged on the support 12 to support the limiting slide block 9, the other side of the limiting slide block 9 acts on a bottom plate drag hook 201 and a movable template drag hook 101, the bottom plate drag hook and the movable template drag hook are called limiting drag hooks in a combined mode, the bottom plate drag hook 201 is connected with the bottom plate 2, and the movable template drag hook 101 is connected with a movable template 1. The movable die plate 1 is provided with a front sliding block 14 and a rear sliding block 15, the inner sides of the front sliding block and the rear sliding block are connected with a core, the movable die plate 1, a movable die liner 4, a bottom plate 2, a forming sliding block 5, a connecting sliding block 6, a limiting sliding block 9, the front sliding block 14 and the rear sliding block 15 form a movable die M, the movable die M is matched with a static die Q, the static die comprises a panel Q1, a stripper plate Q2 and a static die plate Q3 from top to bottom, the static die liner is arranged on the static die plate and is matched with the movable die, and a supporting plate M1 and a fixing plate M2 are arranged.
The continuous jumping type injection mold opening method of the invention, as shown in fig. 7 to 13, comprises the following steps:
(1) the core pulling of the first oil cylinder drives the connecting sliding block to push the forming sliding block to float upwards, so that the product floats upwards, the product is separated from the movable mould cavity, and meanwhile, the product reaches the positioning clamp, and the positioning clamp clamps the product;
(2) the core pulling of the first oil cylinder continues to drive the connecting slide block and the forming slide block to reach the limiting position of the limiting slide block, and meanwhile, the positioning clamp is clamped under the action of the guide groove to complete the opening action;
(3) the first oil cylinder continues to pull the core to drive the limiting slide block to be separated from the limiting drag hook, floating of the movable template and the movable mold liner is completed, the product is separated from the forming slide block and is supported, meanwhile, the product is clamped by the clamp on the support, and the side positioning clamp enters the return guide groove;
(4) and the first oil cylinder simultaneously pushes the forming slide block to return, and finally, the injection molding machine is used for mold closing.
FIGS. 7 to 13 are views showing the cycle of the embodiment of the invention from mold closing to mold opening to mold closing, and FIG. 7 is a view showing a mold closing state and a product is molded; FIG. 8 shows the first opening of the mold, the stationary mold being separated and the front and rear slides 14, 15 of the movable platen being slid outwardly to expose the product; fig. 9 shows that the mold is opened for the second time, and the second oil cylinder 82 is used for driving the pulling rod 10 to pull the core, so as to complete the molding of the product through hole, namely the middle small hole; FIG. 10 shows the third mold opening, in which a first oil cylinder 81 is used for pulling cores to drive a connecting slide block 6, and a forming slide block 5 is pushed to float for 3mm, so that a product floats for 3mm, and the product is separated from a movable mold cavity; fig. 11 shows the fourth mold opening, the first oil cylinder 81 continues to pull the core to drive the connecting slide block 6 and the forming slide block 5 to reach the position limited by the limiting slide block 9, i.e. the limiting slide block boss 901, and the positioning clamp 71 completes the opening action under the action of the guide groove; fig. 12 shows the fifth mold opening, in which a first oil cylinder 81 pulls a core to drive a limiting slide block 9 to separate from a limiting drag hook, so that the movable mold plate (i.e., the part of the plate B) and the movable mold liner float by 6mm, a product is separated from a forming slide block and is held, the product is clamped by a clamp 13 (i.e., a tail positioning clamp) on the bracket 12, and meanwhile, an original side positioning clamp 71 enters a descending chute, i.e., a return guide groove, and returns; fig. 13 shows the 1 st mold closing, the first and second oil cylinders 81 and 82 push the forming slide block 5 and the drawing rod 10 to return at the same time, and finally the mold closing of the injection molding machine is restored to the state shown in fig. 7 to complete the product forming and drawing, and the inner end of the product is located at the edge of the cavity of the movable mold liner 4. The product is a one-side drawstring of the buckle strip, when the injection molding is continued, the injection molding body in the mold cavity is combined with the inner side end of the drawn product to form a continuous buckle strip drawstring K, and the drawing 14 is a drawing of injection molding matching of the buckle strip drawstring in the movable mold M and the static mold Q.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.
Claims (3)
1. A continuous jumping type injection mold opening method is characterized by comprising the following steps:
(1) the core pulling of the first oil cylinder drives the connecting sliding block to push the forming sliding block to float upwards, so that the product floats upwards, the product is separated from the movable mould cavity, and meanwhile, the product reaches a positioning position to clamp the product;
(2) the core pulling of the first oil cylinder continues to drive the connecting slide block and the forming slide block to reach the limiting position of the limiting slide block, and meanwhile, the positioning clamp completes the opening action under the action of the guide groove;
(3) the first oil cylinder continues to pull the core to drive the limiting slide block to be separated from the limiting drag hook, floating of the movable template and the movable mold liner is completed, the product is separated from the forming slide block, and the product is supported;
wherein formula of jumping injection mold in succession includes movable mould board and bottom plate, compression spring between movable mould board and the bottom plate, be equipped with the movable mould courage on the movable mould board, the movable mould board is equipped with transverse slide, be equipped with shaping slider and link block in this slide, wherein the extension in the die cavity of shaping slider to the movable mould courage, shaping slider one side is equipped with the holder, shaping slider and link block complex front and back end are equipped with corresponding step, link block is connected with first hydro-cylinder, hydro-cylinder drive link block transversely slides and drives raises the shaping slider, be equipped with spacing slider below the link block, spacing slider and spacing drag hook effect, spacing drag hook includes bottom plate drag hook and movable mould board drag hook, the movable mould board come-up makes the product break away from the shaping slider when spacing slider breaks away from bottom plate drag.
2. The continuous jump type injection mold opening method according to claim 1, wherein:
in the step (3), the product is separated from the forming slide block to support the product, meanwhile, the product is clamped by the clamp on the bracket connected with one side of the bottom plate, and the positioning clamp on the side surface enters the descending chute to return;
(4) and the first oil cylinder simultaneously pushes the forming slide block to return, and finally, the injection molding machine is used for mold closing.
3. The continuous jump type injection mold opening method according to claim 1, wherein: the clamping piece comprises a positioning clamp and a clamping seat, the clamping seat is fixed on the forming sliding block, the tail of the positioning clamp is arranged in a guide groove on one side, the guide groove comprises an ascending chute, a descending chute and a vertical groove communicated with the ascending chute, and a guide pressing block is arranged at one end of the guide groove to enable the positioning clamp to transfer to the descending chute from the ascending chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031813.1A CN109049552B (en) | 2016-11-02 | 2016-11-02 | Continuous jumping type injection mold opening method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031813.1A CN109049552B (en) | 2016-11-02 | 2016-11-02 | Continuous jumping type injection mold opening method |
| CN201610948431.XA CN106346718B (en) | 2016-11-02 | 2016-11-02 | Continuous leapfrog formula injection mold |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610948431.XA Division CN106346718B (en) | 2016-11-02 | 2016-11-02 | Continuous leapfrog formula injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109049552A CN109049552A (en) | 2018-12-21 |
| CN109049552B true CN109049552B (en) | 2020-08-14 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610948431.XA Active CN106346718B (en) | 2016-11-02 | 2016-11-02 | Continuous leapfrog formula injection mold |
| CN201811031813.1A Active CN109049552B (en) | 2016-11-02 | 2016-11-02 | Continuous jumping type injection mold opening method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610948431.XA Active CN106346718B (en) | 2016-11-02 | 2016-11-02 | Continuous leapfrog formula injection mold |
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| CN (2) | CN106346718B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5462600B2 (en) * | 2009-11-20 | 2014-04-02 | 積水化学工業株式会社 | Injection mold |
| KR101272823B1 (en) * | 2011-08-16 | 2013-06-10 | 권봉근 | Apparatus for treating undercut of injection molding product |
| CN105984085B (en) * | 2015-02-01 | 2018-05-25 | 宁波兴利汽车模具有限公司 | The core pulling self-locking mechanism of injection mold |
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2016
- 2016-11-02 CN CN201610948431.XA patent/CN106346718B/en active Active
- 2016-11-02 CN CN201811031813.1A patent/CN109049552B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106346718B (en) | 2018-11-30 |
| CN109049552A (en) | 2018-12-21 |
| CN106346718A (en) | 2017-01-25 |
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Address after: No.2-8, Gulong East Road, phase II, Shitou, Xiang'an Industrial Park, Maxiang Town, Xiang'an District, Xiamen City, Fujian Province, 361000 Patentee after: Chaori (Xiamen) Technology Co.,Ltd. Address before: No.2-8, Gulong East Road, phase II, Shitou, Xiang'an Industrial Park, Maxiang Town, Xiang'an District, Xiamen City, Fujian Province, 361000 Patentee before: XIAMEN SURINI PRECISION MOULD CO.,LTD. |