CN220242342U - Extrusion die connecting device - Google Patents
Extrusion die connecting device Download PDFInfo
- Publication number
- CN220242342U CN220242342U CN202321561023.0U CN202321561023U CN220242342U CN 220242342 U CN220242342 U CN 220242342U CN 202321561023 U CN202321561023 U CN 202321561023U CN 220242342 U CN220242342 U CN 220242342U
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- fixed joint
- connecting cylinder
- extrusion die
- sealing disc
- connecting device
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- 238000001125 extrusion Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an extrusion die connecting device, which comprises a die body and a connecting cylinder, wherein the connecting cylinder is integrally arranged at a feed inlet of the die body, the other end of the connecting cylinder is provided with a fixed joint, the fixed joint and the end part of the connecting cylinder are correspondingly provided with a pair of sealing discs, the two sealing discs are in bearing sealing connection, the other end of the fixed joint is provided with an interface and is sleeved on a conveying pipe of an extruder, and the conveying pipe of the extruder extends into the connecting cylinder through the fixed joint; utilize two mutual swing joint's connection barrel and fixed joint to realize spacing effect in this application, compare in bolt-up structure, it is more convenient to disassemble, even frequently dismantles, also can not influence joint strength and leakproofness between the two, excellent in use effect.
Description
Technical Field
The utility model relates to the technical field of extrusion dies, in particular to an extrusion die connecting device.
Background
The extruder belongs to one of the types of plastic machinery, and can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw rod, and the screw rod extruder relies on the pressure and the shearing force generated by the rotation of the screw rod, so that materials can be fully plasticized and uniformly mixed, and the materials are molded through a die.
When the extruder is produced, the die of the extruder is required to be connected with the extrusion head, the flange plate and the bolts are usually adopted to be connected when the die is connected with the extrusion head at present, in order to avoid leakage caused by loose connection in the production process, the bolts can be anchored tightly, so that the time is relatively long when the die is replaced subsequently, the die is required to be replaced or maintained regularly, and the bolts slide easily due to frequent disassembly.
Disclosure of Invention
Based on the above description, the utility model provides an extrusion die connecting device, which aims to solve the defects that the existing extruder and die are generally fixedly connected by bolts and are anchored tightly, so that the die is time-consuming to replace, and the bolts slide easily due to frequent die disassembly.
The utility model is realized by the following technical scheme:
the utility model provides an extrusion die connecting device, includes mould body and connection barrel, wherein connect the barrel setting in the feed inlet department of mould body, just connect the tip of barrel be equipped with the ring flange and with mould body sealing connection, the other end of connecting the barrel is equipped with fixed joint, fixed joint and the tip of connecting the barrel correspond and are provided with a pair of sealing disk, and two bearing sealing connection between the sealing disk, the other end of fixed joint is equipped with the interface and cup joints on the conveying pipeline of extruder, just the conveying pipeline of extruder passes fixed joint and extends to and connect the barrel inside.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, a plurality of limit grooves are formed in the inner wall of the connecting cylinder body and the inner wall of the fixed joint in a surrounding mode, and protruding portions matched with the limit grooves are arranged on the outer wall of the conveying pipe of the extruder and are inserted into the connecting cylinder body in a sliding mode along the limit grooves.
Further, a plurality of mutually communicated air cavities are further arranged in the sealing disc on the fixing joint, a piston is arranged in the air cavities, a piston rod is arranged on the piston, and the end part of the piston rod extends out of the sealing disc and is provided with a clamping block.
Further, each clamping block is arranged between two limiting grooves on the end face of the sealing disc, and the sizes of the protruding portions on the outer wall of the clamping block and the outer wall of the conveying pipe are the same.
Further, an air inlet hole and an air outlet hole are respectively arranged on the outer side wall of the sealing disc on the fixed joint, and the air inlet hole and the air outlet hole are respectively connected with the air compressor in an external mode through a high-pressure air pipe.
Further, a driving motor is further arranged on one side of the sealing disc, a tooth sleeve is arranged on an output shaft of the driving motor, and the outer side wall of the sealing disc positioned on the fixed joint is arranged in a gear shape and meshed with the tooth sleeve.
Further, the thickness of the limit groove arranged on the inner wall of the sealing disc on the connecting cylinder body is the same as the thickness of the protruding part on the outer wall of the conveying pipe.
Further, the inner space of the connecting cylinder body, which is close to one end of the sealing disc, is arranged in a conical shape and gradually becomes smaller, and the top end of the conveying pipe of the extruder is arranged in a conical shape and is attached to the inner wall of the connecting cylinder body.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
utilize two mutual swing joint's connection barrel and fixed joint to realize spacing effect in this application, can effectively carry out spacing fixedly with the inside extruder conveying pipeline of inserting the connection barrel, and have sealed effect, compare in bolt-up structure, it is more convenient to disassemble, even carries out frequent dismantlement, also can not influence joint strength and leakproofness between the two, excellent in use effect.
Drawings
FIG. 1 is a schematic view of the structure of a die body, a connecting cylinder, a feed delivery pipe and a driving motor in the present embodiment;
fig. 2 is a schematic structural diagram of a limiting groove in the present embodiment;
FIG. 3 is a schematic view showing the structure of a sealing plate in the present embodiment;
FIG. 4 is a schematic view of the structure of the air chamber in the present embodiment;
wherein: 1. a die body; 2. a connecting cylinder; 21. fixing the joint; 22. a sealing plate; 23. a limit groove; 24. an air cavity; 25. a piston; 26. an air inlet hole; 27. an air outlet hole; 28. a clamping block; 3. a material conveying pipe; 4. and driving the motor.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Referring to fig. 1-4, an extrusion die attachment apparatus comprising:
the die body 1 is communicated with the extruder equipment and extrudes materials into finished products through the inner space;
the connecting cylinder body 2 is arranged at the input end of the die body 1 and is in sealing connection with the conveying pipe 3 of the extruder through an internal structure.
Specifically, the method comprises the following steps; the connecting cylinder body 2 is a circular cylinder and is integrally arranged at the feed inlet of the die body 1, the other end of the connecting cylinder body 2 is provided with a fixed joint 21, a pair of sealing discs 22 are arranged between the connecting sleeve and the fixed joint 21, and the two sealing discs 22 are in sealing connection by adopting a ball bearing, so that the fixed joint 21 can rotate relative to the connecting sleeve.
The inner wall of connecting barrel 2 and fixed joint 21 all is equipped with many spacing groove 23, and wide down is narrow on this groove, and many spacing groove 23 are arranged with the center pin circumference array of connecting barrel 2, be equipped with the bulge rather than the looks adaptation on the conveying pipeline 3 outer wall of extruder, consequently this conveying pipeline 3 can extend to connecting barrel 2 inside along spacing groove 23 all the time, make the material can pour into the mould smoothly and accomplish production, and a plurality of spacing grooves 23 and bulge mutually support simultaneously can strengthen its stability, effectively avoid conveying pipeline 3 inside connecting barrel 2 to rock.
As shown in fig. 1 and fig. 4, a certain reverse thrust is generated during material injection, so in order to further improve the sealing effect between the material conveying pipe 3 and the connecting cylinder 2 and avoid material leakage, a plurality of air cavities 24 are arranged inside a sealing disc 22 positioned on a fixed joint 21, two ends of the plurality of air cavities 24 are respectively communicated and extend to the surface of the sealing disc 22 to form an air inlet hole 26 and an air outlet hole 27, the air inlet hole 26 and the air outlet hole 27 are externally connected with an air compressor through high-pressure air pipes, a piston 25 is arranged in the air cavities 24, a piston rod is arranged at the center of the piston 25 and extends to the end surface of the sealing disc 22, a clamping block 28 is arranged at the end part, the shape and the size of the clamping block 28 are the same as those of a protruding part positioned on the outer wall of the material conveying pipe 3, and each clamping block 28 is positioned between two limiting grooves 23 in an embedded manner, so that the end surface of the clamping block 28 is flush with the sealing disc 22 thereof; through the rotation, can make fixture block 28 align with being located the inside spacing groove 23 of connecting barrel 2 to rely on compressed air to promote fixture block 28, make it support the bulge outer wall on the conveying pipeline 3 lateral wall tightly, thereby promote conveying pipeline 3 and connect the compactness between the barrel 2 two.
Meanwhile, the driving motor 4 is arranged at one side of the connecting cylinder 2, a tooth sleeve is sleeved on the output shaft of the driving motor 4, and the outer side wall part of the fixed joint 21 is arranged in a gear shape and meshed with the tooth sleeve, so that the limiting groove 23 and the clamping block 28 positioned on the end surface of the fixed joint 21 are sequentially aligned with the limiting groove 23 positioned on the connecting cylinder 2 by virtue of the reciprocating driving of the driving motor 4;
referring to fig. 2 and 3, when the limit groove 23 on the end surface of the fixed joint 21 is aligned with the limit groove 23 on the connecting cylinder 2, the whole limit groove 23 is connected in a straight line, so that the conveying pipe 3 on the extruder can be directly inserted into the innermost part of the connecting cylinder 2 along the limit groove 23, and the conical surface inside the connecting cylinder 2 is attached to the conical surface of the end part of the conveying pipe 3;
when the clamping block 28 on the end face of the fixed joint 21 is aligned with the limit groove 23 on the connecting cylinder 2, the piston 25 in the air cavity 24 is also pushed by high-pressure air, so that the clamping block 28 pushes the protruding part on the outer side wall of the conveying pipe 3 inwards to be tightly attached to the limit groove 23 on the connecting cylinder 2.
In the above structure, the thickness of the limit groove 23 on the connecting cylinder 2 and the thickness of the limit groove 23 on the connecting cylinder 2 should be set to be the same value, so that the clamping block 28 can be flush with the end surface of the sealing disc 22 when the two are attached.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The utility model provides an extrusion die connecting device, its characterized in that, includes mould body (1) and connects barrel (2), wherein connect barrel (2) integral type and set up in the feed inlet department of mould body (1), the other end of connecting barrel (2) is equipped with fixed joint (21), fixed joint (21) and the tip of connecting barrel (2) correspond and are provided with a pair of sealing disk (22), and two bearing sealing connection between sealing disk (22), the other end of fixed joint (21) is equipped with the interface and cup joints on conveying pipeline (3) of extruder, just conveying pipeline (3) of extruder pass fixed joint (21) and extend to connect barrel (2) inside.
2. The extrusion die connecting device according to claim 1, wherein a plurality of limit grooves (23) are circumferentially arranged on the inner walls of the connecting cylinder (2) and the fixed joint (21), and a protruding part matched with the limit groove (23) is arranged on the outer wall of the conveying pipe (3) of the extruder and is slidably inserted into the connecting cylinder (2) along the limit groove (23).
3. Extrusion die connecting device according to claim 1, characterized in that a plurality of mutually communicating air chambers (24) are also arranged in the sealing disc (22) on the fixed joint (21), a piston (25) is arranged in the air chamber (24), a piston rod is arranged on the piston (25), and the end part of the piston rod extends out of the sealing disc (22) and is provided with a clamping block (28).
4. A device according to claim 3, wherein each of the clamping blocks (28) is arranged between two limit grooves (23) on the end face of the sealing disc (22), and the size of the clamping block (28) is the same as the size of the protruding part on the outer wall of the conveying pipe (3).
5. An extrusion die connecting device according to claim 3, wherein an air inlet hole (26) and an air outlet hole (27) are respectively arranged on the outer side wall of the sealing disc (22) positioned on the fixed joint (21), and the air inlet hole (26) and the air outlet hole (27) are respectively externally connected with the air compressor through high-pressure air pipes.
6. An extrusion die connecting device according to claim 1, wherein a driving motor (4) is further arranged on one side of the sealing disc (22), a tooth sleeve is arranged on an output shaft of the driving motor (4), and the outer side wall of the sealing disc (22) positioned on the fixed joint (21) is arranged in a gear shape and meshed with the tooth sleeve.
7. An extrusion die connecting device according to claim 1, characterized in that the thickness of the limit groove (23) provided on the inner wall of the sealing disc (22) on the connecting cylinder (2) is the same as the thickness of the protruding part on the outer wall of the feed delivery pipe (3).
8. The extrusion die connecting device according to claim 1, wherein the inner space of the connecting cylinder (2) near one end of the sealing disc (22) is arranged in a conical shape and gradually becomes smaller, and the top end of the conveying pipe (3) of the extruder is arranged in a conical shape and is attached to the inner wall of the connecting cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321561023.0U CN220242342U (en) | 2023-06-16 | 2023-06-16 | Extrusion die connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321561023.0U CN220242342U (en) | 2023-06-16 | 2023-06-16 | Extrusion die connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220242342U true CN220242342U (en) | 2023-12-26 |
Family
ID=89272192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321561023.0U Active CN220242342U (en) | 2023-06-16 | 2023-06-16 | Extrusion die connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220242342U (en) |
-
2023
- 2023-06-16 CN CN202321561023.0U patent/CN220242342U/en active Active
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