CN112536978A - Self-ejection anti-blocking general plastic mold - Google Patents
Self-ejection anti-blocking general plastic mold Download PDFInfo
- Publication number
- CN112536978A CN112536978A CN202011381317.6A CN202011381317A CN112536978A CN 112536978 A CN112536978 A CN 112536978A CN 202011381317 A CN202011381317 A CN 202011381317A CN 112536978 A CN112536978 A CN 112536978A
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- mounting box
- piston plate
- mold
- end surface
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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
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
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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
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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 discloses a self-ejection anti-blocking general plastic mold which comprises an upper mold, a lower mold and an injection molding injection pipe arranged on the upper end surface of the upper mold, wherein a circulation groove is vertically formed in the middle of the upper end surface of the injection molding injection pipe, a mounting box is fixedly arranged in the circulation groove, a first piston plate is elastically connected to the inner top wall of the mounting box through a reset spring, the side wall of the first piston plate is in sealing sliding connection with the inner wall of the mounting box, and an ejector rod is vertically and fixedly connected to the middle of the lower end surface of the first piston plate. When the injection molding is finished and the demolding is finished, the ejector rod is reset by the aid of the elastic force of the reset spring and inserted into the through hole again, so that residual raw materials and impurities in the through hole can be discharged, thrust can be applied to a product between the upper mold and the lower mold, mutual adhesion between the product and the upper mold is avoided, and demolding speed of the product is improved without manual work.
Description
Technical Field
The invention relates to the technical field of general plastic molds, in particular to a self-ejection anti-blocking general plastic mold.
Background
When traditional injection mould used, in order to keep the ejection flow rate and the pressure of melt state raw materials, the mouth of pipe of the injection molding nozzle is generally thinner, however, during the in-service use, often there are some impurity or not fused raw materials jam the nozzle, thereby influence going on of the work of moulding plastics, can even damage injection moulding equipment because of the injection molding nozzle internal pressure is too big when serious, current injection moulding equipment is when the drawing of patterns simultaneously, because mould structure and space limit, lead to the mould to have certain adhesive force to the product, the product can't be automatic or quick break away from the mould, thereby need artifical drawing of patterns, this production efficiency that has not only influenced the product still has certain potential safety hazard to the staff.
To this end, we propose a self-ejecting anti-blocking universal plastic mold to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects that the traditional plastic mold is easy to block and affects the injection molding operation, certain potential safety hazard exists and the production efficiency exists in the prior art, and provides a self-ejection anti-blocking general plastic mold.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-ejection anti-blocking general plastic mold comprises an upper mold, a lower mold and an injection molding injection pipe arranged on the upper end surface of the upper mold, wherein a circulation groove is vertically formed in the middle of the upper end surface of the injection molding injection pipe, a mounting box is fixedly arranged in the circulation groove, a first piston plate is elastically connected to the top wall in the mounting box through a reset spring, the side wall of the first piston plate is connected with the inner wall of the mounting box in a sealing and sliding mode, an ejector rod is vertically and fixedly connected to the middle of the lower end surface of the first piston plate, the lower end of the ejector rod sequentially penetrates through the lower end of the mounting box, the lower end of the injection molding injection pipe and the upper end surface of the upper mold and extends into the upper mold, the ejector rod is connected with the mounting box in a sealing and sliding mode, and through holes;
the circulation tank wall lower end face symmetry has seted up the reservoir, every equal vertical sealed sliding connection has the second piston board in the reservoir, the confined space that second piston board and corresponding reservoir formed is the drive district, the confined space that terminal surface and mounting box constitute under the first piston board is the driven district, every all communicate between drive district and the driven district and be equipped with communicating pipe.
Preferably, the installation box inner wall is improved level fixedly connected with and is kept off the ring, keep off the ring and be located communicating pipe and driven district intercommunication mouth top, keep off the ring and be located first piston plate below.
Preferably, a plurality of limiting rods are evenly and vertically connected between the upper end face of the baffle ring and the inner top wall of the mounting box, and a plurality of limiting grooves matched with the limiting rods are evenly formed in the first piston plate and the upper piston plate.
Preferably, the driven area and each driving area are filled with hydraulic oil.
Preferably, a plurality of buffer tubes are communicated with the outside from the upper end surface of the inner wall of the mounting box.
The invention has the beneficial effects that:
1. according to the injection molding machine, the reset spring, the first piston plate, the second piston plate and the ejector rod are arranged, the ejector rod is located in the through hole to block the through hole under the elastic force of the reset spring before injection molding each time, so that external impurities can be prevented from entering the through hole to pollute the circulation groove, energy can be stored for raw materials and the reset spring at the initial injection molding stage, and the kinetic energy of the injection molding raw materials is improved.
2. According to the invention, when the injection molding cooling is finished and the demolding is finished, the ejector rod is reset by utilizing the elastic force of the reset spring and is inserted into the through hole again, so that raw materials and impurities remaining in the through hole can be discharged, the through hole is prevented from being blocked, the thrust can be applied to a product between the upper mold and the lower mold, the product and the upper mold are prevented from being adhered to each other, the demolding speed of the product is improved, the manual work is not needed, and the working efficiency is high.
Drawings
FIG. 1 is a schematic structural diagram of a self-ejection anti-blocking general plastic mold provided by the invention;
FIG. 2 is a schematic view of a part of the structure of a self-ejection anti-blocking general plastic mold according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
fig. 4 is a schematic view of a part of the internal structure of a flow channel in a self-ejection anti-blocking general plastic mold provided by the invention.
In the figure: the injection molding device comprises an upper mold 1, a lower mold 2, an injection molding injection pipe 3, a flow groove 4, a mounting box 5, a reset spring 6, a first piston plate 7, a baffle ring 8, a limiting rod 9, a limiting groove 10, a liquid storage groove 11, a second piston plate 12, a communicating pipe 13, a through hole 14, an ejector rod 15 and a buffer pipe 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a self-ejection anti-blocking general plastic mold comprises an upper mold 1, a lower mold 2 and an injection molding injection pipe 3 installed on the upper end surface of the upper mold 1, wherein a circulation groove 4 for raw material circulation is vertically formed in the middle of the upper end surface of the injection molding injection pipe 3, an upper end opening of the circulation groove 4 is connected with an external material conveying mechanism, a mounting box 5 made of a heat insulation material is fixedly arranged in the circulation groove 4, the circulation groove 4 is not completely shielded by the mounting box 5, a first piston plate 7 is elastically connected to the inner top wall of the mounting box 5 through a return spring 6, the upper end and the lower end of the return spring 6 are respectively and fixedly connected to the inner top wall of the mounting box 5 and the upper end surface of the first piston plate 7, the side wall of the first piston plate 7 is in sealed sliding connection with the inner wall of the mounting box 5, a push rod 15 is vertically and fixedly connected to the middle of the lower, The lower end of the injection pipe 3 and the upper end surface of the upper mold 1 extend into the upper mold 1, the ejector rod 15 is connected with the mounting box 5 in a sealing and sliding manner, and the lower end of the injection pipe 3 and the upper end of the upper mold 1 are jointly provided with a through hole 14 matched with the ejector rod 15;
the lower end surface of the wall of the circulation tank 4 is symmetrically provided with liquid storage tanks 11, each liquid storage tank 11 is internally vertically connected with a second piston plate 12 in a sealing and sliding manner, a sealing space formed by the second piston plate 12 and the corresponding liquid storage tank 11 is a driving area, the notch of each liquid storage tank 11 is fixedly connected with a limiting ring (not shown in the figure), the movement of the second piston plate 11 can be limited by the limiting ring, so that the second piston plate 12 is prevented from being separated from the corresponding liquid storage tank 11, the sealing space formed by the lower end surface of the first piston plate 7 and the inner wall of the mounting box 5 is a driven area, a communicating pipe 13 is communicated between each driving area and the driven area, the driven area and each driving area are filled with hydraulic oil, a plurality of buffer pipes 16 are communicated between the upper end surface of the inner wall of the mounting box 5 and the outside, and the air pressure at the upper end surface of the first piston, thereby avoiding that the air pressure inside the mounting box 5 hinders the movement of the first piston plate 7.
According to the invention, the inner wall of the mounting box 5 is horizontally and fixedly connected with the baffle ring 8, the baffle ring 8 is positioned above a communication port of the communication pipe 13 and the driven area, meanwhile, the baffle ring 8 is positioned below the first piston plate 7, the lower limit movement position of the first piston plate 7 can be limited through the baffle ring 8, a plurality of limiting rods 9 are uniformly and vertically connected between the upper end surface of the baffle ring 8 and the inner top wall of the mounting box 5, a plurality of limiting grooves 10 matched with the limiting rods 9 are uniformly formed in the first piston plate 7 and the upper part of the baffle ring, the movement stability of the ejector rod 15 can be ensured through the matching of the limiting rods 9 and the limiting grooves 10, and each limiting rod 9 is in sealed sliding connection with the corresponding limiting groove 10.
The invention can be illustrated by the following operating modes: initially, the lower end face of the first piston plate 7 is abutted against the upper end face of the baffle ring 8 under the action of the elastic force of the return spring 6, and the lower end of the ejector rod 15 penetrates through the through hole 14 and is positioned in the upper die 1;
during injection molding, the external material conveying mechanism inputs molten raw materials into the circulation tank 4, because the through hole 14 is blocked by the ejector rod 15 at the moment, the internal pressure of the circulation tank 4 is rapidly increased, under the pressure action of the raw materials, each second piston plate 12 slides in the corresponding liquid storage tank 11 and extrudes the corresponding driving area, hydraulic oil in a plurality of driving areas enters the driven area through the corresponding communicating pipe 13, the internal pressure of the driven area is rapidly increased and pushes the first piston plate 7 to move upwards in the mounting box 5 and compress the return spring 6, the ejector rod 15 synchronously moves upwards along with the movement of the first piston plate 7, the ejector rod 15 is separated from the through hole 14, and the raw materials in the circulation tank 4 enter a cavity formed by the upper mold 1 and the lower mold 2 through the through hole 14;
go up the product cooling back in the cavity that mould 1 and bed die 2 constitute, external defeated material mechanism removes pressure, then first piston plate 7 and ejector pin 15 synchronous downstream under reset spring 6's elastic action, ejector pin 15 passes through-hole 14 and gets into in the mould 1, thereby not only can be with remaining raw materials and impurity discharge in the through-hole 14, can also exert thrust to the product between last mould 1 and the bed die 2, and then avoid mutual adhesion between product and the last mould 1, improve the drawing of patterns speed of product, and need not the manual work.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A self-ejection anti-blocking general plastic mold comprises an upper mold (1), a lower mold (2) and an injection molding injection pipe (3) arranged on the upper end surface of the upper mold (1), and is characterized in that a circulation groove (4) is vertically formed in the middle of the upper end surface of the injection molding injection pipe (3), a mounting box (5) is fixedly arranged in the circulation groove (4), a first piston plate (7) is elastically connected to the inner top wall of the mounting box (5) through a reset spring (6), the side wall of the first piston plate (7) is in sealed sliding connection with the inner wall of the mounting box (5), an ejector rod (15) is vertically and fixedly connected to the middle of the lower end surface of the first piston plate (7), the lower end of the ejector rod (15) sequentially penetrates through the lower end of the mounting box (5), the lower end of the injection molding injection pipe (3) and the upper end surface of the upper mold (1) and extends into the upper mold (1), and the ejector rod (15) is in sealed, the lower end of the injection pipe (3) and the upper end of the upper die (1) are jointly provided with a through hole (14) matched with the ejector rod (15);
reservoir (11) have been seted up to circulation groove (4) cell wall lower extreme face symmetry, every equal vertical sealed sliding connection has second piston board (12) in reservoir (11), second piston board (12) are the drive district with the confined space that corresponds reservoir (11) and constitute, the confined space that terminal surface and mounting box (5) are constituteed under first piston board (7) is driven district, every it is equipped with communicating pipe (13) all to communicate between drive district and the driven district.
2. The self-ejection anti-blocking general plastic mold as claimed in claim 1, wherein a baffle ring (8) is horizontally and fixedly connected to the inner wall of the mounting box (5), the baffle ring (8) is located above a communicating opening of the communicating pipe (13) and the driven area, and the baffle ring (8) is located below the first piston plate (7).
3. The self-ejection anti-blocking general plastic mold as claimed in claim 2, wherein a plurality of limiting rods (9) are vertically connected between the upper end surface of the baffle ring (8) and the inner top wall of the mounting box (5), and a plurality of limiting grooves (10) matched with the limiting rods (9) are uniformly formed in the first piston plate (7) and the upper surface of the first piston plate.
4. The self-ejection anti-clogging general plastic mold as claimed in claim 1, wherein the driven area and each driving area are filled with hydraulic oil.
5. A self-ejection anti-blocking general plastic mold as claimed in claim 1, wherein a plurality of buffer tubes (16) are communicated between the upper end surface of the inner wall of the mounting box (5) and the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011381317.6A CN112536978A (en) | 2020-11-30 | 2020-11-30 | Self-ejection anti-blocking general plastic mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011381317.6A CN112536978A (en) | 2020-11-30 | 2020-11-30 | Self-ejection anti-blocking general plastic mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112536978A true CN112536978A (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011381317.6A Pending CN112536978A (en) | 2020-11-30 | 2020-11-30 | Self-ejection anti-blocking general plastic mold |
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| Country | Link |
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| CN (1) | CN112536978A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619702A (en) * | 2023-07-24 | 2023-08-22 | 太仓信诚精密模具有限公司 | Pre-buried sleeve injection mold capable of avoiding clamping and sticking materials |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1008429A (en) * | 1962-12-11 | 1965-10-27 | Friedrich Stuebbe | Improvements in and relating to plasticising screws for thermoplastic synthetic materials |
| DE10006608A1 (en) * | 1999-06-30 | 2001-01-11 | Hekuma Herbst Maschb Gmbh | Method and device for handling a plastic product |
| CN108748880A (en) * | 2018-06-28 | 2018-11-06 | 芜湖中科智捷信息科技有限责任公司 | A kind of feed device of energy-efficient injection molding machine |
| CN110482235A (en) * | 2019-09-05 | 2019-11-22 | 浙江新豪吉电器有限公司 | A kind of environment-friendly dustless integrated wall board raw material feeding device |
| CN210453629U (en) * | 2019-06-04 | 2020-05-05 | 江苏泰特汽车配件股份有限公司 | Demoulding mechanism of injection molding mould for automobile central control plastic part |
| CN111673875A (en) * | 2020-06-01 | 2020-09-18 | 徐舒婕 | Feeding structure of high-strength ceramic injection molding device |
-
2020
- 2020-11-30 CN CN202011381317.6A patent/CN112536978A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1008429A (en) * | 1962-12-11 | 1965-10-27 | Friedrich Stuebbe | Improvements in and relating to plasticising screws for thermoplastic synthetic materials |
| DE10006608A1 (en) * | 1999-06-30 | 2001-01-11 | Hekuma Herbst Maschb Gmbh | Method and device for handling a plastic product |
| CN108748880A (en) * | 2018-06-28 | 2018-11-06 | 芜湖中科智捷信息科技有限责任公司 | A kind of feed device of energy-efficient injection molding machine |
| CN210453629U (en) * | 2019-06-04 | 2020-05-05 | 江苏泰特汽车配件股份有限公司 | Demoulding mechanism of injection molding mould for automobile central control plastic part |
| CN110482235A (en) * | 2019-09-05 | 2019-11-22 | 浙江新豪吉电器有限公司 | A kind of environment-friendly dustless integrated wall board raw material feeding device |
| CN111673875A (en) * | 2020-06-01 | 2020-09-18 | 徐舒婕 | Feeding structure of high-strength ceramic injection molding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619702A (en) * | 2023-07-24 | 2023-08-22 | 太仓信诚精密模具有限公司 | Pre-buried sleeve injection mold capable of avoiding clamping and sticking materials |
| CN116619702B (en) * | 2023-07-24 | 2023-12-05 | 太仓信诚精密模具有限公司 | Pre-buried sleeve injection mold capable of avoiding clamping and sticking materials |
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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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220510 Address after: 430300 first floor, Zhulong garden, Jiankou street, Huangpi District, Wuhan City, Hubei Province Applicant after: Bu Jinmei Address before: 432200 1st floor, Zhulong garden, Yikou street, Huangpi District, Wuhan City, Hubei Province Applicant before: Wuhan Linshu Technology Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210323 |