CN113478753B - Core-pulling demoulding device with high production efficiency - Google Patents
Core-pulling demoulding device with high production efficiency Download PDFInfo
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- CN113478753B CN113478753B CN202011312924.7A CN202011312924A CN113478753B CN 113478753 B CN113478753 B CN 113478753B CN 202011312924 A CN202011312924 A CN 202011312924A CN 113478753 B CN113478753 B CN 113478753B
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- oil cylinder
- injection molding
- molding machine
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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
- B29C45/332—Mountings or guides therefor; Drives therefor
Abstract
The injection molding machine comprises an injection molding machine body, a first oil cylinder, a second oil cylinder, a rear mold body and a front mold body, wherein the first oil cylinder is fixed on one side of the injection molding machine body, the first oil cylinder is connected with one end of a first seat, the other end of the first seat is connected with one end of an oil cylinder meson, the other end of the oil cylinder meson is connected with one side of a guide slide block, the upper part of the guide slide block is connected with the lower part of a shrinkage slide block, the upper part of the shrinkage slide block is connected with the lower part of a small push plate, first rear mold inserts are fixed at two ends of the upper part of the small push plate, and products are fixed above the first rear mold inserts, so that the product quality is reduced and the production cost is increased. The structure of this time provides a neotype demolding mode for product engineer, and the product of design accords with customer's demand more, and production efficiency is high, owing to use the normal demolding of structure, makes the product can get the piece by the manipulator, need not get the piece through personnel pulling mechanism.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a core-pulling and demolding device with high production efficiency.
Background
As is known, the mold is called the master of the industry, and the level of mold production and development is one of the important marks of the level of machine manufacturing. With the rapid development of manufacturing industry, people have high pursuit on the quality, weight and appearance of products. The annual output of plastics is more than the sum of the annual outputs of steel and nonferrous metals before 10 years, and plastic products are widely applied to the national pillar industry of automobiles, electromechanics, instruments, aerospace, aviation and the like and various fields related to the daily life of people. The plastic product forming method has many times, and about more than half of the plastic products in the world are injection molds. The injection mold can produce products with high efficiency.
The injection mold is divided into a large water gap mold, a thin water gap mold and a hot runner mold. The novel demolding method is applied to various molds, and aims to solve the problem that products cannot be demolded due to the fact that the internal structures of the products are complex, and the novel demolding method is provided for the products. A novel demolding method is provided for the product. A novel demolding mode is provided for a product designer, and the designed product more meets the requirements of customers!
For example, the patent publication "CN 210758944U" has the name: the invention discloses a stable injection mold, which belongs to the technical field of injection molds and particularly relates to a stable injection mold, which comprises a mold body, wherein the mold body comprises an upper mold, a lower mold and a bottom plate, a mounting block is fixed on the bottom surface of the lower mold, a mounting groove is formed in the top surface of the bottom plate, two clamping blocks which are symmetrically distributed are arranged in the mounting groove, and a driving assembly is further arranged in the mounting groove; a left side plate is arranged on the left side of the top surface of the bottom plate, a movable top plate is movably arranged above the surface of the left side plate, and a hydraulic cylinder is also arranged on the surface of the left side plate; according to the injection mold, after the upper mold and the lower mold are closed, the hydraulic cylinder can be used for driving the stable extrusion plate to move downwards, so that the upper mold is further stabilized, the stability of closing the upper mold and the lower mold is ensured, and the quality of a plastic part is ensured; the position of the upper die can be finely adjusted after die assembly by using the manual adjusting assembly, so that the accuracy of die assembly of the upper die and the lower die is ensured; the lower die is fixed through the mounting block and the clamping block which is movably arranged, and the dismounting is convenient.
The existing stable injection mold is found in use, the applicability is poor, the internal structure of the product is complex, the internal space of the product is small, the product cannot be opened in the traditional mold opening mode, the quality of the product is poor, the product cannot be opened due to the limitation of the product structure, the mold cannot be opened, the product can only be opened by cutting two products, the strength of the product is high, the impact resistance is high, the assembly stability and other parameters are reduced, the customer requirements cannot be met, and the use limitation is high.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the core-pulling demoulding device with high production efficiency in order to solve the problem that normal mould stripping cannot be carried out due to the fact that the internal structure of a product is complex and the internal space is small.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the injection molding machine comprises an injection molding machine body, a first oil cylinder, a second oil cylinder, a rear mold body and a front mold body, wherein the first oil cylinder is fixed on one side of the injection molding machine body, the first oil cylinder is connected with one end of a first seat, the other end of the first seat is connected with one end of an oil cylinder meson, the other end of the oil cylinder meson is connected with one side of a guide slide block, the upper part of the guide slide block is connected with the lower part of a shrinkage slide block, the upper part of the shrinkage slide block is connected with the lower part of a small push plate, first rear mold inserts are fixed at two ends above the small push plate, a product is fixed above the first rear mold inserts, an A plate, a first B plate, a second B plate, a panel and a bottom plate are arranged on the outer side of the injection molding machine body, the panel is fixed above the injection molding machine body, the A plate is fixed below the panel, a placement groove is arranged in the A plate, the product is arranged in the placement groove, and the A plate is connected with the first B plate, the injection molding machine comprises an injection molding machine body, a first rear mold insert, a bottom plate, a square iron, a second B plate, a squirt nozzle, a first oil cylinder, a second seat, a rack, a gear, a delay medium, a bearing and a second rear mold insert, wherein the first B plate is arranged on the periphery of the first rear mold insert, the bottom plate is fixed below the injection molding machine body, a square iron is fixed above the bottom plate, the top plate is fixed at the joint of the square iron and the bottom plate, the ejector pin is fixed on the top plate, the positioning ring is fixed in the middle of the panel, the squirt nozzle is fixed below the positioning ring, the second oil cylinder is arranged above the injection molding machine body, the lower side of the second oil cylinder is connected with one end of the second seat, the other end of the second seat is connected with the rack, the rack is matched with the gear, the delay medium is fixed at one end of the ejector pin, the delay medium is connected with the bottom plate, the bearing is fixed on the ejector pin, and the other end of the ejector pin is fixed with the second rear mold insert.
In order to change the control direction conveniently, the invention improves that the guide slide block is arranged to be T-shaped.
In order to change the control direction conveniently, the invention has the improvement that the shrinkage and shrinkage sliding block is arranged to be T-shaped, and the guide sliding block is matched with the shrinkage and shrinkage sliding block in an L shape.
In order to facilitate the gear to drive the product, the invention improves that the gear is matched with the product.
In order to improve the production efficiency, the invention improves that the gears are arranged into a plurality of groups.
In order to conveniently control the first oil cylinder and the second oil cylinder, the injection molding machine is improved in the invention that a first travel switch and a second travel switch are fixed on the injection molding machine body, and the first travel switch is arranged on the periphery side of the second travel switch.
In order to conveniently control the first oil cylinder and the second oil cylinder, the invention has the improvement that the first travel switch is connected with the first oil cylinder, and the second travel switch is connected with the second oil cylinder.
In order to improve the working efficiency, the invention improves that the gears are arranged on two sides of the rack.
(III) advantageous effects
Compared with the prior art, the core-pulling and demolding device has the advantages that the core-pulling and demolding device is high in production efficiency and has the following beneficial effects:
this knockout core shedder that production efficiency is high, the suitability is strong, is suitable for the product inner structure complicacy to lead to the unable die sinking of mould, can carry out the die sinking to the product through the die sinking mode of this structure, and product quality promotes, and this type of product in the past needs to be cut into two products (the intensity of product, impact resistance, equipment stability isoparametric decline) with a product, carries out the die sinking, leads to product quality decline and manufacturing cost's increase. The structure of this time provides a neotype demolding mode for product engineer, and the product of design accords with customer's demand more, and production efficiency is high, owing to use the normal demolding of structure, makes the product can get the piece by the manipulator, need not get the piece through personnel pulling mechanism.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is a rear view of the structure of the present invention;
FIG. 3 is a structural assembly diagram of the present invention;
FIG. 4 is a partial schematic view of the structure of the present invention;
FIG. 5 is a front view of the structure of the present invention;
fig. 6 is a diagram of a structural product of the present invention.
In the figure: 1. positioning rings; 2. a squirt nozzle; 3. a panel; 4. a, a plate; 5. a product; 6. a first back mold insert; 7. a first B plate; 8. a small push plate; 9. retracting the sliding block; 10. a guide slide block; 11. an oil cylinder meson; 12. a first seat; 13. a first cylinder; 14. a second B plate; 15. a thimble; 16. square iron; 17. a top plate; 18. a base plate; 19. a second cylinder; 20. a second seat; 21. a rack; 22. a gear; 23. a second back mold insert; 24. a bearing; 25. a time delay meson; 26. a first travel switch; 27. a second travel switch; 28. a front mold body; 29. an injection molding machine body; 30. a rear mould body.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the injection molding machine comprises an injection molding machine body 29, a first oil cylinder 13, a second oil cylinder 19, a rear mold body 30 and a front mold body 28, wherein the first oil cylinder 13 is fixed on one side of the injection molding machine body 29, the first oil cylinder 13 is connected with one end of a first seat 12, the other end of the first seat 12 is connected with one end of an oil cylinder meson 11, the other end of the oil cylinder meson 11 is connected with one side of a guide slide block 10, the upper part of the guide slide block 10 is connected with the lower part of a retracting slide block 9, the upper part of the retracting slide block 9 is connected with the lower part of a small push plate 8, first rear mold inserts 6 are fixed on the two upper ends of the small push plate 8, products 5 are fixed on the upper part of the first rear mold inserts 6, an a plate 4, a first B plate 7, a second B plate 14, a panel 3 and a bottom plate 18 are arranged on the outer side of the injection molding machine body 29, the panel 3 is fixed on the injection molding machine body 29, the plate A4 is fixed below the panel 3, a placing groove is arranged in the plate A4, the product 5 is arranged in the placing groove, the plate A4 is connected with the first plate B7, the first plate B7 is arranged on the periphery of the first rear mold insert 6, the bottom plate 18 is fixed below the injection molding machine body 29, the square iron 16 is fixed above the bottom plate 18, the second plate B14 is fixed above the square iron 16, the second plate B14 is connected with the first plate B7, a top plate 17 is fixed at the joint of the inner part of the square iron 16 and the bottom plate 18, the ejector pin 15 is fixed on the top plate 17, the positioning ring 1 is fixed in the middle of the panel 3, the squirt nozzle 2 is fixed below the positioning ring 1, the second oil cylinder 19 is arranged above the injection molding machine body 29, the lower part of the second oil cylinder 19 is connected with one end of the second seat 20, the other end of the second seat 20 is connected with the rack 21, the rack 21 is matched with the gear 22, one end of the thimble 15 is fixed with a delay meson 25, the delay meson 25 is connected with the bottom plate 18, the thimble 15 is fixed with a bearing 24, and the other end of the thimble 15 is fixed with a second rear mold insert 23.
The guide slider 10 is arranged in a T shape, so that the control direction can be changed conveniently.
The retraction slide block 9 is arranged in a T shape, the guide slide block 10 is matched with the retraction slide block 9 in an L shape, and the control direction is convenient to change.
The gear 22 is matched with the product 5, so that the gear 22 drives the product 5 conveniently.
The gears 22 are provided in a plurality of sets for improving the production efficiency.
A first travel switch 26 and a second travel switch 27 are fixed on the injection molding machine body 29, and the first travel switch 26 is arranged on the periphery side of the second travel switch 27, so that the first oil cylinder 13 and the second oil cylinder 19 can be conveniently controlled.
The first travel switch 26 is connected with the first oil cylinder 13, and the second travel switch 27 is connected with the second oil cylinder 19, so as to control the first oil cylinder 13 and the second oil cylinder 19 conveniently.
The gears 22 are disposed at both sides of the rack 21 for convenience of improving working efficiency.
To sum up, when the core-pulling and demolding device with high production efficiency is used, a large-nozzle mold is adopted, the mold is opened normally, firstly, the injection molding machine body 29 drives the rear mold to move backwards, after the movement is finished, the injection molding machine body 29 controls the first oil cylinder 13 to pull the guide slide block 10 to move outwards, so that the retracting slide block 9 is driven to move, because the guide slide block 10 and the retracting slide block 9 are arranged to be T-shaped and the guide slide block 10 and the retracting slide block 9 are arranged to be L-shaped and connected, when the guide slide block 10 moves outwards, the retracting slide block 9 moves downwards, the first rear mold insert 6 is further driven to move downwards mechanically, when the first oil cylinder 13 is pulled for a distance, the position of the first stroke switch D is touched, the first oil cylinder 13 stops moving, namely the first rear mold insert 6 is separated from the product 5, and when one action is finished, the action is to make a space for the rotation of the gear 22 insert, set for through injection molding machine body 29, carry out second hydro-cylinder 19 pulling rack 21 again and drive gear 22, after a distance is pulled to second hydro-cylinder 19, touch second travel switch 27B position, second hydro-cylinder 19 stop motion accomplishes gear 22 promptly and drives second back mould mold insert 23 and rotate the drawing of patterns, reaches the demolding purpose, promotes mould roof 17 through injection molding machine body 29 pull-rod at last, and a distance is promoted forward, makes thimble 15 product 5 ejecting, realizes dropping automatically.
After the product 5 is demoulded, the top plate 17 is pulled back through the pull rod of the injection molding machine body 29, then the second oil cylinder 19 is firstly moved back to the position A through hydraulic control setting of the injection molding machine body 29, and the product stops when being touched by the second travel switch 27, so that the rack 21 is driven to drive the gear 22 to rotate the second rear mould insert 23, and the product stops when being touched by the second travel switch 27. And then the first oil cylinder 13 is retreated to the position D and stops when touching the first travel switch 26, so that the guide slide block 10 is driven, the retracting slide block 9 and the first rear mold insert 6 are further driven to reset, and the operation stops when touching the first travel switch 26. And finally, the injection molding machine body 29 is controlled to complete the mold closing of the injection molding machine body 29.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a loose core shedder that production efficiency is high, includes injection molding machine body (29), first hydro-cylinder (13), second hydro-cylinder (19), back mould body (30) and front mould body (28), its characterized in that: the injection molding machine is characterized in that the first oil cylinder (13) is fixed on one side of the injection molding machine body (29), the first oil cylinder (13) is connected with one end of a first seat (12), the other end of the first seat (12) is connected with one end of an oil cylinder meson (11), the other end of the oil cylinder meson (11) is connected with one side of a guide slider (10), the upper part of the guide slider (10) is connected with the lower part of a retracting slider (9), the upper part of the retracting slider (9) is connected with the lower part of a small push plate (8), first rear mold inserts (6) are fixed at the two ends of the upper part of the small push plate (8), products (5) are fixed on the upper part of the first rear mold inserts (6), an A plate (4), a first B plate (7), a second B plate (14), a panel (3) and a bottom plate (18) are arranged on the outer side of the injection molding machine body (29), the panel (3) is fixed on the upper part of the injection molding machine body (29), the injection molding machine is characterized in that the plate A (4) is fixed below the panel (3), a placing groove is formed in the plate A (4), the product (5) is arranged in the placing groove, the plate A (4) is connected with the first plate B (7), the first plate B (7) is arranged on the periphery of the first rear mold insert (6), the bottom plate (18) is fixed below the injection molding machine body (29), the square iron (16) is fixed above the bottom plate (18), the second plate B (14) is fixed above the square iron (16), the second plate B (14) is connected with the first plate B (7), the top plate (17) is fixed at the joint of the inner part of the square iron (16) and the bottom plate (18), the ejector pin (15) is fixed on the top plate (17), the positioning ring (1) is fixed in the middle of the panel (3), and the sprue bushing (2) is fixed below the positioning ring (1), the injection molding machine is characterized in that a second oil cylinder (19) is arranged above the injection molding machine body (29), the lower portion of the second oil cylinder (19) is connected with one end of a second seat (20), the other end of the second seat (20) is connected with a rack (21), the rack (21) is matched with a gear (22), one end of a thimble (15) is fixed with a delay meson (25), the delay meson (25) is connected with a bottom plate (18), a bearing (24) is fixed on the thimble (15), the other end of the thimble (15) is fixed with a second rear mold insert (23), a first travel switch (26) and a second travel switch (27) are fixed on the injection molding machine body (29), and the first travel switch (26) is arranged on the periphery side of the second travel switch (27).
2. The core-pulling and demolding device with high production efficiency according to claim 1, characterized in that: the guide sliding block (10) is arranged to be T-shaped.
3. The core-pulling and demolding device with high production efficiency according to claim 1, characterized in that: the telescopic sliding block (9) is arranged to be T-shaped, and the guide sliding block (10) is matched with the telescopic sliding block (9) in an L shape.
4. The core-pulling and demolding device with high production efficiency according to claim 1, characterized in that: the gear (22) is matched with the product (5).
5. The core-pulling and demolding device with high production efficiency according to claim 1, characterized in that: the gears (22) are arranged in multiple groups.
6. The core-pulling and demolding device with high production efficiency according to claim 1, characterized in that: the first travel switch (26) is connected with the first oil cylinder (13), and the second travel switch (27) is connected with the second oil cylinder (19).
7. The core-pulling and demolding device with high production efficiency according to claim 1, characterized in that: the gears (22) are arranged on both sides of the rack (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011312924.7A CN113478753B (en) | 2020-11-20 | 2020-11-20 | Core-pulling demoulding device with high production efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011312924.7A CN113478753B (en) | 2020-11-20 | 2020-11-20 | Core-pulling demoulding device with high production efficiency |
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| Publication Number | Publication Date |
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| CN113478753A CN113478753A (en) | 2021-10-08 |
| CN113478753B true CN113478753B (en) | 2022-09-13 |
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| CN202011312924.7A Active CN113478753B (en) | 2020-11-20 | 2020-11-20 | Core-pulling demoulding device with high production efficiency |
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| GB1026974A (en) * | 1962-02-02 | 1966-04-20 | Fahr Ag Maschf | Method of and apparatus for ejecting and removing pressings from presses |
| GB1435150A (en) * | 1972-07-05 | 1976-05-12 | Netstal Ag Maschf Giesserei | Hydraulic ejector in injection moulding machines |
| CA1212508A (en) * | 1984-01-11 | 1986-10-14 | Henry N. Shoji | Two-part mold core |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101811339B (en) * | 2009-02-19 | 2012-06-13 | 浙江凯华模具有限公司 | Plastic die of cambered elbow pipe of 90 degrees |
| CN108372631A (en) * | 2015-07-14 | 2018-08-07 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of hair washing bottle cap injection mold and its application method |
| CN205651602U (en) * | 2016-04-20 | 2016-10-19 | 鸿利达模具(深圳)有限公司 | Two material injection moulds |
| CN106239847A (en) * | 2016-08-04 | 2016-12-21 | 中山市华志模具精密设备科技有限公司 | Mould strand dental structure |
| CN206254439U (en) * | 2016-12-19 | 2017-06-16 | 上海克比精密塑胶模具有限公司 | Oil cylinder drives and turns to slipper block loose core actuating mechanism |
| CN108247959A (en) * | 2018-03-04 | 2018-07-06 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of injection mold for production sewage treatment pipe |
| CN108748894A (en) * | 2018-05-21 | 2018-11-06 | 索奕双 | A kind of Mold Core-pulling Mechanism and core pulling method for plastic bend tube |
| CN109760277A (en) * | 2019-03-19 | 2019-05-17 | 广州莱汇塑料包装有限公司 | It twists tooth and moves back core mechanism and mold |
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2020
- 2020-11-20 CN CN202011312924.7A patent/CN113478753B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1026974A (en) * | 1962-02-02 | 1966-04-20 | Fahr Ag Maschf | Method of and apparatus for ejecting and removing pressings from presses |
| GB1435150A (en) * | 1972-07-05 | 1976-05-12 | Netstal Ag Maschf Giesserei | Hydraulic ejector in injection moulding machines |
| CA1212508A (en) * | 1984-01-11 | 1986-10-14 | Henry N. Shoji | Two-part mold core |
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| CN113478753A (en) | 2021-10-08 |
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