CN215040099U - Cavity blowing storage formula die head - Google Patents
Cavity blowing storage formula die head Download PDFInfo
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- CN215040099U CN215040099U CN202121449256.2U CN202121449256U CN215040099U CN 215040099 U CN215040099 U CN 215040099U CN 202121449256 U CN202121449256 U CN 202121449256U CN 215040099 U CN215040099 U CN 215040099U
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Abstract
The utility model discloses a cavity blowing storage formula die head belongs to blowing machinery technical field. The device comprises a servo oil cylinder, a material injection device, a material storage device and a control core rod which is longitudinally arranged; the material injection device is positioned below the servo oil cylinder and comprises a material injection cylinder upper cover, a material injection cylinder barrel, a material injection cylinder lower cover and a material injection piston; the material storage device is positioned below the material injection device and comprises a material storage cylinder barrel, a material storage piston, a material storage core, a middle ring and a material storage cylinder cover; the material storage core is divided into an upper section and a lower section, the upper end of the upper section of the material storage core penetrates through the material storage piston and is fixedly connected with the control core rod through a locking nut, and a sliding sleeve is arranged in the lower section of the material storage core; the maximum outer diameter of the storage core is larger than the inner diameter of the storage cylinder barrel, and the outer diameter of the sliding sleeve is larger than the inner diameter of the storage cylinder barrel. The utility model discloses simple structure, convenient practicality has reduced mold core atress area, and extrusion speed is fast, saves time, improves production efficiency, has reduced plastic products's manufacturing cost.
Description
Technical Field
The utility model relates to a cavity blowing storage formula die head belongs to blowing machinery technical field.
Background
A hollow plastic extrusion blow molding machine is equipment for processing hollow plastic products, the working principle is that granular plastic raw materials are heated and melted into plastic blanks in a molten state, the plastic blanks enter the interior of a mold with a certain shape through different raw material output modes, after the blank is output, the mold can be closed, when the mold is closed, a blowing system of the plastic hollow molding equipment can introduce compressed air into the interior of the blank from different positions of the mold and is used for blowing the blank, so that the blank is tightly attached to the inner wall of the mold, a certain shape is preliminarily formed, and the whole plastic products are cooled for a period of time to finish the processing process.
In order to manufacture large-scale products, hollow plastic extrusion blow molding machines generally employ a stock die. The existing hollow blow molding storage type die head has the following problems: firstly, the mouth mold is large, the injection speed is slow, the efficiency is low, the production period of the plastic product is long, and the cost is high; secondly, the overall size of the neck ring mold is large, the large neck ring mold is heavy in material and high in cost; the diameter of the servo cylinder barrel is large, and the cost is high; fourthly, the diameter of the control core rod is large, and the cost is high.
SUMMERY OF THE UTILITY MODEL
[ problem ] to
The utility model discloses the problem that solves is: the existing hollow blow molding storage type die head has the advantages of large mouth die, low injection speed, low efficiency, long production period of plastic products and high cost.
[ solution ]
The utility model discloses a cavity blowing storage formula die head, its simple structure, convenient practicality has reduced mold core atress area, and extrusion speed is fast, saves time, improves production efficiency, has reduced plastic products's manufacturing cost.
The hollow blow molding storage type die head comprises a servo oil cylinder, a material injection device, a material storage device and a control core rod which is longitudinally arranged; the material injection device is positioned below the servo oil cylinder and comprises a material injection cylinder upper cover, a material injection cylinder barrel, a material injection cylinder lower cover and a material injection piston; the material storage device is positioned below the material injection device and comprises a material storage cylinder barrel, a material storage piston, a material storage core, a middle ring and a material storage cylinder cover; the material storage core is divided into an upper section and a lower section, the upper end of the upper section of the material storage core penetrates through the material storage piston and is fixedly connected with the control core rod through a locking nut, and a sliding sleeve is arranged in the lower section of the material storage core; the maximum outer diameter of the storage core is larger than the inner diameter of the storage cylinder barrel, and the outer diameter of the sliding sleeve is larger than the inner diameter of the storage cylinder barrel.
In an embodiment of the present invention, the servo cylinder includes a servo piston, a servo piston rod, a servo cylinder cover, and a servo cylinder barrel; the servo cylinder barrel is fixed below the servo cylinder cover, servo piston rods are arranged in the servo cylinder cover and the servo cylinder barrel, and the servo piston rods are sleeved on the control core rod; a servo piston is arranged between the servo piston rod and the servo cylinder barrel.
The utility model discloses an among the embodiment, penetrate the material jar upper cover and fix the below at servo cylinder, penetrate the material cylinder and fix the below at penetrating the material jar upper cover, penetrate and be equipped with in the material cylinder and penetrate the material piston, penetrate the below of material cylinder and be fixed with and penetrate material jar lower cover, the below of penetrating the material jar lower cover is fixed with the cooling plate, many interval posts of passing through of cooling plate are fixed in the backup pad.
The utility model discloses an among the embodiment the top of storage cylinder is equipped with the storage cylinder lid the inside of storage cylinder is equipped with the storage piston the inside of storage piston sets up the intermediate ring the inside of storage cylinder still is equipped with the storage core.
In one embodiment of the present invention, the upper section of the storage core is a hollow screw, and the surface of the storage core is provided with a thread-shaped groove; a flow passage is arranged between the upper section of the storage core and the middle ring.
The utility model discloses an in an embodiment, the sliding sleeve is laminated with the control plug, the below of sliding sleeve is equipped with the mold core.
The utility model discloses an in the embodiment, the below fixedly connected with grommet of storage cylinder, the shape of grommet inner wall is adjusted according to the shape of storage core hypomere outer wall, leaves the clearance between grommet and the storage core.
The utility model discloses an in an embodiment, servo piston rod's top is fixed with the transition ring, be equipped with in the transition ring and seal adjusting nut, it overlaps on the control plug to seal adjusting nut.
The utility model discloses an in the embodiment, the both sides of storage cylinder cap respectively are equipped with a feed inlet.
The utility model discloses an in the embodiment, the below of penetrating the material piston is equipped with the ejector pin, the below of going up the ejector pin is equipped with upper and lower ejector pin interlink, the below of upper and lower ejector pin interlink is equipped with down the ejector pin, the lower extreme and the storage piston fixed connection of ejector pin down.
[ advantageous effects ]
The utility model has simple structure, convenience and practicability; because the maximum outer diameter of the die head storage core is larger than the inner diameter of the storage cylinder barrel, the outer diameter of the sliding sleeve is larger than the inner diameter of the storage cylinder barrel, the resistance of the die core is reduced during material injection, the stress of the servo oil cylinder is smaller, the response speed of the servo oil cylinder is improved, the extrusion speed is accelerated, the material injection time is shortened, the wall thickness tracking is more accurate, the forming time of plastic products is reduced, the production cost is reduced, and the product quality and the production efficiency are improved.
Drawings
FIG. 1 is a front view of a hollow blow molding storage type die head of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is a perspective view of the hollow blow molding storage type die head of the present invention;
FIG. 4 is a perspective view of the storage core of the present invention;
in the figure, 1, a storage cylinder barrel; 2. a material storage piston; 3. a storage core; 4. an intermediate ring; 5. controlling the core rod; 6. locking the nut; 7. a material storage cylinder cover; 8. a feed inlet; 9. a servo piston; 11. a mold core; 12. a seal adjusting nut; 13. a transition ring; 14. servo piston rod, 15, servo cylinder cap; 16. a servo cylinder; 17. an upper cover of the material injecting cylinder; 18. a material injection cylinder barrel; 19. a lower cover of the material injection cylinder; 20. a cooling plate; 21. an ejector rod is arranged; 22. the upper and lower push rods are interlinked; 23. a lower ejector rod; 24. a spacer pillar; 25. a support plate; 26. a sliding sleeve; 27. a liner ring; 28. and a material injection piston.
Detailed Description
To achieve the above objects, features and advantages and in accordance with the purpose of the invention, as embodied and broadly described herein, the present invention will be described in detail with reference to the accompanying drawings.
Example 1
A hollow blow molding storage type die head is shown in figure 1 or 2 and comprises a servo oil cylinder, a material injection device, a material storage device and a control core rod 5 which is longitudinally arranged, wherein the servo oil cylinder comprises a servo piston 9, a servo piston rod 14, a servo cylinder cover 15 and a servo cylinder barrel 16; the servo cylinder barrel 16 is fixed below the servo cylinder cover 15, servo piston rods 14 are arranged in the servo cylinder cover 15 and the servo cylinder barrel 16, and the servo piston rods 14 are sleeved on the control core rod 5; a servo piston 9 is arranged between the servo piston rod 14 and the servo cylinder 16.
The material injection device is positioned below the servo oil cylinder and comprises an upper material injection cylinder cover 17, a material injection cylinder barrel 18, a lower material injection cylinder cover 19 and a material injection piston 28, the upper material injection cylinder cover 17 is fixed below the servo cylinder barrel 16, the material injection cylinder barrel 18 is fixed below the upper material injection cylinder cover 17, the material injection piston 28 is arranged in the material injection cylinder barrel 18, and the lower material injection cylinder cover 19 is fixed below the material injection cylinder barrel 18. As shown in fig. 2 or 3, a cooling plate 20 is fixed below the shooting pot lower cover 19, and the cooling plate 20 is fixed to a support plate 25 through a plurality of spacers 24.
As shown in fig. 1 or 2, the storage device is located below the material injection device, the storage device comprises a storage cylinder barrel 1, a storage piston 2, a storage core 3, an intermediate ring 4 and a storage cylinder cover 7, and the storage cylinder cover 7 is arranged above the storage cylinder barrel 1; a material storage piston 2 is arranged in the material storage cylinder barrel 1; an intermediate ring 4 is arranged inside the material storage piston 2; and a storage core 3 is also arranged in the storage cylinder barrel 1. As shown in fig. 4, the storage core 3 is divided into an upper section and a lower section and is connected by sectional machining, the upper section storage core 3 is a hollow screw, a thread-shaped groove is formed in the surface of the upper section storage core 3, the upper end of the upper section storage core 3 penetrates through the storage piston 2 and is fixedly connected with the control core rod 5 through the locking nut 6, and a flow channel is formed between the upper section storage core 3 and the intermediate ring 4; a sliding sleeve 26 is arranged in the lower-section material storage core 3, the sliding sleeve 26 is attached to the control core rod 5, and a mold core 11 is arranged below the sliding sleeve 26. The lower part of the storage cylinder barrel 1 is fixedly connected with a lining ring 27, the shape of the inner wall of the lining ring 27 is adjusted according to the shape of the outer wall of the lower section storage core 3, and a gap is reserved between the lining ring 27 and the lower section storage core 3.
Furthermore, a transition ring 13 is fixed above the servo piston rod 14, a seal adjusting nut 12 is arranged in the transition ring 13, and the seal adjusting nut 12 is sleeved on the control core rod 5.
Further, the maximum outer diameter of the storage core 3 is larger than the inner diameter of the storage cylinder 1, and the outer diameter of the sliding sleeve 26 is larger than the inner diameter of the storage cylinder 1.
Further, two sides of the storage cylinder cover 7 are respectively provided with a feeding hole 8.
Further, an upper ejector rod 21 is arranged below the injection piston 28, an upper ejector rod connecting ring 22 and a lower ejector rod connecting ring 22 are arranged below the upper ejector rod 21, a lower ejector rod 23 is arranged below the upper ejector rod connecting ring 22 and the lower end of the lower ejector rod 23 is fixedly connected with the material storage piston 2. Specifically, the lower bottom end of the lower ejector rod 23 is inserted into the material storage piston 2, and the material storage piston 2 and the material injection piston 28 are fixedly connected through an upper ejector rod 21, an upper ejector rod connecting ring 22 and the lower ejector rod 23 and move up and down along the axis direction of the control core rod 5.
The utility model discloses a theory of operation: molten plastic sizing material enters through the feeding ports 8 on the two sides of the material storage cylinder cover 7, enters the material storage barrel 1 through a flow channel between the material storage inner core 3 and the middle ring 4, the material storage piston 2 is pushed upwards, the servo piston 9 on the top moves up and down axially to control the mold core 11 to open and close through the control core rod 5, the servo piston 9 moves up and down axially to control the mold core 11 through the control core rod 5 and open the mold core 11, and then the upper servo oil cylinder presses down the material storage piston 2 to eject the molten plastic raw material.
The protection scope of the present invention is not limited to the above embodiments, and any modifications, equivalent replacements, and improvements that can be made by a person skilled in the art within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hollow blow molding storage type die head is characterized by comprising a servo oil cylinder, a material injection device, a storage device and a control core rod (5) which is longitudinally arranged; the material injection device is positioned below the servo oil cylinder and comprises a material injection cylinder upper cover (17), a material injection cylinder barrel (18), a material injection cylinder lower cover (19) and a material injection piston (28); the material storage device is positioned below the material injection device and comprises a material storage cylinder barrel (1), a material storage piston (2), a material storage core (3), an intermediate ring (4) and a material storage cylinder cover (7); the storage core (3) is divided into an upper section and a lower section, the upper end of the upper section of the storage core (3) penetrates through the storage piston (2) and is fixedly connected with the control core rod (5) through a locking nut (6), and a sliding sleeve (26) is arranged in the lower section of the storage core (3); the maximum outer diameter of the storage core (3) is larger than the inner diameter of the storage cylinder barrel (1), and the outer diameter of the sliding sleeve (26) is larger than the inner diameter of the storage cylinder barrel (1).
2. A hollow blow molding storage die head according to claim 1, wherein the servo oil cylinder comprises a servo piston (9), a servo piston rod (14), a servo cylinder cover (15) and a servo cylinder barrel (16); the servo cylinder barrel (16) is fixed below the servo cylinder cover (15), servo piston rods (14) are arranged in the servo cylinder cover (15) and the servo cylinder barrel (16), and the servo piston rods (14) are sleeved on the control core rod (5); a servo piston (9) is arranged between the servo piston rod (14) and the servo cylinder barrel (16).
3. The hollow blow molding storage type die head according to claim 2, wherein the material injection cylinder upper cover (17) is fixed below the servo cylinder barrel (16), the material injection cylinder barrel (18) is fixed below the material injection cylinder upper cover (17), the material injection piston (28) is arranged in the material injection cylinder barrel (18), the material injection cylinder lower cover (19) is fixed below the material injection cylinder barrel (18), the cooling plate (20) is fixed below the material injection cylinder lower cover (19), and the cooling plate (20) is fixed on the support plate (25) through a plurality of spacing columns (24).
4. The hollow blow molding storage type die head according to claim 3, wherein a storage cylinder cover (7) is arranged above the storage cylinder barrel (1), a storage piston (2) is arranged inside the storage cylinder barrel (1), an intermediate ring (4) is arranged inside the storage piston (2), and a storage core (3) is further arranged inside the storage cylinder barrel (1).
5. The hollow blow molding storage die head according to claim 4, wherein the upper section of the storage core (3) is a hollow screw, and the surface of the storage core is provided with a thread-shaped groove; a flow passage is arranged between the upper section of the storage core (3) and the intermediate ring (4).
6. A hollow blow molding storage die head according to claim 5, characterized in that the sliding sleeve (26) is attached to the control core rod (5), and the mold core (11) is arranged below the sliding sleeve (26).
7. The hollow blow molding storage type die head according to claim 6, wherein a lining ring (27) is fixedly connected below the storage cylinder barrel (1), the shape of the inner wall of the lining ring (27) is adjusted according to the shape of the outer wall of the lower section of the storage core (3), and a gap is reserved between the lining ring (27) and the storage core (3).
8. The hollow blow molding storage die head according to claim 7, wherein a transition ring (13) is fixed above the servo piston rod (14), a seal adjusting nut (12) is arranged in the transition ring (13), and the seal adjusting nut (12) is sleeved on the control core rod (5).
9. A hollow blow molding storage die head according to claim 8, characterized in that the storage cylinder cover (7) is provided with a feed inlet (8) on each side.
10. The hollow blow molding storage type die head according to claim 9, wherein an upper ejector rod (21) is arranged below the injection piston (28), an upper ejector rod link (22) and a lower ejector rod link (22) are arranged below the upper ejector rod (21), a lower ejector rod (23) is arranged below the upper ejector rod link (22), and the lower end of the lower ejector rod (23) is fixedly connected with the storage piston (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121449256.2U CN215040099U (en) | 2021-06-28 | 2021-06-28 | Cavity blowing storage formula die head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121449256.2U CN215040099U (en) | 2021-06-28 | 2021-06-28 | Cavity blowing storage formula die head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215040099U true CN215040099U (en) | 2021-12-07 |
Family
ID=79230064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121449256.2U Active CN215040099U (en) | 2021-06-28 | 2021-06-28 | Cavity blowing storage formula die head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215040099U (en) |
-
2021
- 2021-06-28 CN CN202121449256.2U patent/CN215040099U/en active Active
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