CN222662556U - Injection mold convenient to drawing of patterns - Google Patents
Injection mold convenient to drawing of patterns Download PDFInfo
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- CN222662556U CN222662556U CN202421337255.2U CN202421337255U CN222662556U CN 222662556 U CN222662556 U CN 222662556U CN 202421337255 U CN202421337255 U CN 202421337255U CN 222662556 U CN222662556 U CN 222662556U
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- fixed mold
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Abstract
本实用新型公开了一种便于脱模的注塑模具，包括一号安装板和二号安装板，所述一号安装板一侧滑动设置有第一定模和第二定模，所述第一定模和所述第二定模顶端和底端均开设有引导槽，所述二号安装板一侧固定连接有电动液压缸。本实用新型通过电动液压缸带动动模与第一定模和第二定模分离，使得从动杆上的滚轮在第一定模和第二定模上的引导槽内滑动，并在滑动的过程中将电动液压缸产生的竖直力改变为水平方向上的推力，将第一定模和第二定模分开，实现了桶装注塑件在定模内的快速脱模，避免了注塑件表面与定模内部产生粘连而不容易脱模的情况，结构简单，出模效果好且出模速度快，提高了塑料桶的脱模效率。
The utility model discloses an injection mold that is easy to demould, including a No. 1 mounting plate and a No. 2 mounting plate, a first fixed mold and a second fixed mold are slidably arranged on one side of the No. 1 mounting plate, the first fixed mold and the second fixed mold are both provided with guide grooves at the top and bottom, and an electric hydraulic cylinder is fixedly connected to one side of the No. 2 mounting plate. The utility model drives the movable mold to separate from the first fixed mold and the second fixed mold through the electric hydraulic cylinder, so that the roller on the driven rod slides in the guide grooves on the first fixed mold and the second fixed mold, and changes the vertical force generated by the electric hydraulic cylinder into a thrust in the horizontal direction during the sliding process, separates the first fixed mold and the second fixed mold, realizes the rapid demoulding of the barreled injection molded part in the fixed mold, avoids the situation that the surface of the injection molded part is adhered to the inside of the fixed mold and is not easy to demould, has a simple structure, good demoulding effect and fast demoulding speed, and improves the demoulding efficiency of the plastic barrel.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold convenient to demold.
Background
An injection mold, for short, is a mold for injection molding of plastics. The injection molding is a molding method for injection and molding, has the advantages of high production speed, high efficiency, automation in operation, accurate product size and suitability for the molding processing field of mass production and products with complex shapes.
Among the prior art, as chinese patent CN219044098U discloses an "injection mold convenient to drawing of patterns", including the base, the top of base is provided with the cooler bin, the inner wall of cooler bin is provided with the injection mold body, the through-hole has been seted up to the inner wall of injection mold body, the spout has been seted up to the inner wall of injection mold body, the inner wall of spout is provided with the slide, the bottom of slide is provided with the thread bush.
At present, the demolding device mounted on the mold for producing the barrel-shaped injection molding part ejects the barrel-shaped injection molding part formed by cooling from the bottom end of the mold by utilizing the elasticity of the spring, but the outer wall and the mold cavity are possibly adhered when the injection molding part is cooled, so that the injection molding part is difficult to fall off from the mold cavity, and the demolding efficiency is low due to the fact that the injection molding part needs to be taken out by a worker.
Disclosure of utility model
The utility model aims to provide an injection mold convenient for demolding, so as to solve the problems in the prior art.
In order to achieve the purpose, the injection mold convenient to demolding comprises a first mounting plate and a second mounting plate, wherein a first fixed mold and a second fixed mold are slidably arranged on one side of the first mounting plate, guide grooves are formed in the top end and the bottom end of the first fixed mold and the top end and the bottom end of the second fixed mold respectively, an electric hydraulic cylinder is fixedly connected to one side of the second mounting plate, a movable mold is fixedly connected to the telescopic end of the electric hydraulic cylinder, two driven rods are fixedly connected to the top end and the bottom end of the movable mold respectively, rollers are rotatably connected to the inner sides of the four driven rods, and the outer surfaces of the four rollers are slidably connected with the inner surfaces of the four guide grooves respectively.
As the further preferred of this technical scheme, accomodate the groove has been seted up to movable mould one side, accomodate the inside slip grafting of groove has the liftout ring, liftout ring one side fixedly connected with four driven posts, four driven post one end all runs through accomodate the inside bottom surface of groove, no. two mounting panel one side fixedly connected with is kept up the ring, four driven post one end all with keep up ring one side and contact.
As a further preferable mode of the technical scheme, four driven columns are sleeved with reset springs on the outer surfaces of the driven columns, and one ends of the four reset springs are fixedly connected with one side of the movable die.
As a further preferable mode of the technical scheme, four positioning through holes are formed in one side of the second mounting plate in a penetrating mode, positioning columns are slidably connected in the four positioning through holes, and one ends of the four positioning columns are fixedly connected with one side of the movable die.
As a further preferred aspect of the present invention, one end of each of the four driven posts and the four positioning posts is fixedly connected with a limiting cap.
As a further preferable mode of the technical scheme, four sliding grooves are formed in one side of the first mounting plate, four sliding blocks are slidably connected in the four sliding grooves, and the four sliding blocks are fixedly connected with one side of the first fixed die and one side of the second fixed die respectively.
As a further preferable mode of the technical scheme, one side of the second fixed die is fixedly connected with four positioning rods, one side of the first fixed die is provided with four positioning grooves, and one end of each positioning rod is respectively inserted into each positioning groove.
The utility model provides an injection mold convenient for demolding, which has the following beneficial effects:
(1) According to the utility model, the movable mold is driven by the electric hydraulic cylinder to be separated from the first fixed mold and the second fixed mold, so that the idler wheels on the driven rod slide in the guide grooves on the first fixed mold and the second fixed mold, and the vertical force generated by the electric hydraulic cylinder is changed into the thrust in the horizontal direction in the sliding process, so that the first fixed mold and the second fixed mold are separated, the quick demolding of the barreled injection molding piece in the fixed mold is realized, the situation that the surface of the injection molding piece is adhered with the inside of the fixed mold and the demolding is difficult to happen is avoided, the structure is simple, the demolding effect is good, the demolding speed is high, and the demolding efficiency of the plastic barrel is improved.
(2) In the utility model, in the moving process of the movable mould, the four driven columns are contacted with the resisting ring, so that the force applied by the movable mould is converted into the thrust force to the ejection ring, the ejection ring pushes the injection molding piece on the mould core to be demolded, the structure is simple, the operation is convenient, and the use of a power device is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an expanded schematic view of the first and second stationary mold structures of the present utility model;
FIG. 3 is an exploded view of the structure between the first stationary mold, the second stationary mold and the first mounting plate of the present utility model;
Fig. 4 is a schematic view of the internal structure of the movable mold according to the present utility model.
In the figure, 1, a first mounting plate; 2, a first fixed die, 3, a second fixed die, 4, a guide groove, 5, a movable die, 6, a driven rod, 7, a second mounting plate, 8, an electric hydraulic cylinder, 9, a chute, 10, a sliding block, 11, a positioning rod, 12, a positioning groove, 13, a roller, 14, a storage groove, 15, a jacking ring, 16, a driven column, 17, a return spring, 18, a positioning column, 19, a positioning through hole, 20, a limiting cap, 21 and a retaining ring.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
According to the technical scheme, as shown in fig. 1-3, in the embodiment, the injection mold convenient to demolding comprises a first mounting plate 1 and a second mounting plate 7, wherein a first fixed mold 2 and a second fixed mold 3 are slidably arranged on one side of the first mounting plate 1, guide grooves 4 are formed in the top end and the bottom end of the first fixed mold 2 and the bottom end of the second fixed mold 3, an electric hydraulic cylinder 8 is fixedly connected to one side of the second mounting plate 7, a movable mold 5 is fixedly connected to the telescopic end of the electric hydraulic cylinder 8, two driven rods 6 are fixedly connected to the top end and the bottom end of the movable mold 5, rollers 13 are rotatably connected to the inner sides of the four driven rods 6, the outer surfaces of the four rollers 13 are slidably connected with the inner surfaces of the four guide grooves 4 respectively, and the thrust force generated by moving the movable mold 5 can be converted into the thrust force to the first fixed mold 2 and the second fixed mold 3 through the arrangement of the guide grooves 4 and the driven rods 6, the movable mold 5 can be separated through the arrangement of the electric hydraulic cylinder 8, the movable mold 5 can be driven to move through the movable mold 5, and friction between the guide grooves 4 and the driven rods 6 can be reduced through the arrangement of the rollers 13.
As shown in fig. 2 and 4, a storage groove 14 is formed in one side of the movable die 5, a material ejection ring 15 is inserted in the storage groove 14 in a sliding manner, four driven columns 16 are fixedly connected to one side of the material ejection ring 15, one ends of the four driven columns 16 penetrate through the bottom surface of the storage groove 14, a blocking ring 21 is fixedly connected to one side of the second mounting plate 7, one ends of the four driven columns 16 are contacted with one side of the blocking ring 21, the driven columns 16 can be pushed to move when the movable die 5 is separated, and the injection molding piece on the die core can be demoulded by arranging the material ejection ring 15.
As shown in fig. 4, the outer surfaces of the driven columns 16 are sleeved with return springs 17, one ends of the four return springs 17 are fixedly connected with one side of the movable mold 5, so that the driven columns 16 can be reset, and the ejector ring 15 can be driven to enter the storage groove 14.
As shown in fig. 2 and fig. 4, four positioning through holes 19 are all formed in one side of the second mounting plate 7 in a penetrating manner, positioning columns 18 are slidably connected in the four positioning through holes 19, one ends of the four positioning columns 18 are fixedly connected with one side of the movable die 5, the movable die 5 can be positioned, deflection is prevented, and stability is improved.
As shown in fig. 1, 2 and 4, one end of each of the four driven posts 16 and one end of each of the four positioning posts 18 are fixedly connected with a limiting cap 20, which can limit the moving distance and prevent the falling phenomenon.
As shown in fig. 3, four sliding grooves 9 are formed in one side of the first mounting plate 1, four sliding blocks 10 are slidably connected in the four sliding grooves 9, the four sliding blocks 10 are fixedly connected with one side of the first fixed die 2 and one side of the second fixed die 3 respectively, and the first fixed die 2 and the second fixed die 3 can slide on the first mounting plate 1 through the sliding grooves 9 and the sliding blocks 10, so that an unfolding effect is achieved.
As shown in fig. 3, four positioning rods 11 are fixedly connected to one side of the second fixed die 3, four positioning grooves 12 are formed in one side of the first fixed die 2, one ends of the four positioning rods 11 are respectively inserted into the four positioning grooves 12, and the first fixed die 2 and the second fixed die 3 can be positioned, so that when the first fixed die 2 and the second fixed die 3 are combined, the skew condition can not occur.
The utility model provides an injection mold convenient for demolding, which has the following specific working principle:
After injection molding of the barreled injection molding is completed, the electric hydraulic cylinder 8 is started, the electric hydraulic cylinder 8 drives the movable die 5 to be separated from the first fixed die 2 and the second fixed die 3, the idler wheel 13 on the driven rod 6 slides in the guide groove 4 on the first fixed die 2 and the second fixed die 3, the vertical force generated by the electric hydraulic cylinder 8 is changed into the thrust on the horizontal direction in the sliding process, the first fixed die 2 and the second fixed die 3 are separated, the injection molding in the first fixed die 2 and the second fixed die 3 is rapidly demolded, the movable die 5 continues to move, and when the four driven posts 16 are in contact with the bottom surface of the blocking ring 21, the force borne by the driven rod 6 is converted into the thrust on the material pushing ring 15 under the driving of the movable die 5, so that the injection molding on the mold core is pushed by the material pushing ring 15 to fall.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The injection mold convenient to demolding comprises a first mounting plate (1) and a second mounting plate (7), and is characterized in that a first fixed mold (2) and a second fixed mold (3) are slidably arranged on one side of the first mounting plate (1), guide grooves (4) are formed in the top end and the bottom end of the first fixed mold (2) and the top end and the bottom end of the second fixed mold (3), an electric hydraulic cylinder (8) is fixedly connected to one side of the second mounting plate (7), a movable mold (5) is fixedly connected to the telescopic end of the electric hydraulic cylinder (8), two driven rods (6) are fixedly connected to the top end and the bottom end of the movable mold (5), rollers (13) are rotatably connected to the inner sides of the driven rods (6), and the outer surfaces of the four rollers (13) are slidably connected with the inner surfaces of the four guide grooves (4) respectively.
2. The injection mold convenient to demolding is characterized in that a storage groove (14) is formed in one side of the movable mold (5), a jacking ring (15) is inserted in the storage groove (14) in a sliding mode, four driven columns (16) are fixedly connected to one side of the jacking ring (15), one ends of the four driven columns (16) penetrate through the inner bottom surface of the storage groove (14), a resisting ring (21) is fixedly connected to one side of the second mounting plate (7), and one ends of the four driven columns (16) are contacted with one side of the resisting ring (21).
3. The injection mold convenient to demolding according to claim 2, wherein the outer surfaces of the driven columns (16) are sleeved with return springs (17), and one ends of the four return springs (17) are fixedly connected with one side of the movable mold (5).
4. The injection mold convenient to demolding according to claim 3, wherein four positioning through holes (19) are formed in one side of the second mounting plate (7) in a penetrating mode, positioning columns (18) are connected inside the four positioning through holes (19) in a sliding mode, and one ends of the four positioning columns (18) are fixedly connected with one side of the movable mold (5).
5. An injection mold according to claim 4, wherein the four driven posts (16) and the four positioning posts (18) are fixedly connected with a limiting cap (20) at one end.
6. The injection mold convenient to demolding is characterized in that four sliding grooves (9) are formed in one side of the first mounting plate (1), four sliding blocks (10) are slidably connected in the four sliding grooves (9), and the four sliding blocks (10) are fixedly connected with one side of the first fixed mold (2) and one side of the second fixed mold (3) respectively.
7. The injection mold convenient to demolding according to claim 6, wherein four positioning rods (11) are fixedly connected to one side of the second fixed mold (3), four positioning grooves (12) are formed in one side of the first fixed mold (2), and one ends of the four positioning rods (11) are respectively inserted into the four positioning grooves (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421337255.2U CN222662556U (en) | 2024-06-13 | 2024-06-13 | Injection mold convenient to drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421337255.2U CN222662556U (en) | 2024-06-13 | 2024-06-13 | Injection mold convenient to drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222662556U true CN222662556U (en) | 2025-03-25 |
Family
ID=95047570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421337255.2U Active CN222662556U (en) | 2024-06-13 | 2024-06-13 | Injection mold convenient to drawing of patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222662556U (en) |
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2024
- 2024-06-13 CN CN202421337255.2U patent/CN222662556U/en active Active
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