CN115106755A - Hydraulic type dismounting device for pin of extruder - Google Patents
Hydraulic type dismounting device for pin of extruder Download PDFInfo
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- CN115106755A CN115106755A CN202210646575.5A CN202210646575A CN115106755A CN 115106755 A CN115106755 A CN 115106755A CN 202210646575 A CN202210646575 A CN 202210646575A CN 115106755 A CN115106755 A CN 115106755A
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- Prior art keywords
- extruder
- pin
- oil cylinder
- connecting rod
- hydraulic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a hydraulic pin dismounting device of an extruder, which is used for taking out pins in the extruder, and comprises an oil cylinder, a fixed frame, a connecting rod and a hydraulic pump, wherein the fixed frame is connected to the lower end of the oil cylinder, the oil cylinder is provided with two interfaces for being connected with the hydraulic pump, the connecting rod penetrates through the oil cylinder, the lower end of the connecting rod is of an external thread structure matched with internal threads at the top of the pins in the extruder, the lower end of the connecting rod is connected with the pins in the extruder through a thread structure, the upper end of the connecting rod is provided with a thread structure and is fixedly connected to the upper end of the oil cylinder through a nut; the hydraulic pump drives the connecting rod to move upwards through the oil cylinder, and the pin in the extruder is taken out. The invention adopts a hydraulic mode, drives the connecting rod to move upwards through the oil cylinder, and then takes out the pin in the extruder, thereby saving time and labor and improving the disassembly efficiency.
Description
Technical Field
The invention belongs to the technical field of mechanical disassembly and assembly, and particularly relates to a hydraulic disassembling device for a pin of an extruder.
Background
The pins of the extruder are used for plasticizing rubber materials, and the long pins and the short pins are used for different rubber materials, so that the pins need to be replaced at variable time in the production process. Because the pin of the extruder screw is bonded with the sizing material in the production process, the traditional pin taking-out operation adopts manual operation of a wrench, and the specific method comprises the following steps: the method mainly comprises the following steps that a worker removes a pin from a pin hole of a barrel through a set of manual tools, namely a pin puller: 1. the manual disassembly has low working efficiency, 2-3 workers are needed for 100 pins of one single extruder on average, and the time is about 2 hours (one minute is needed for pulling one pin, and 1.5 hours is needed for replacing one pin of one extruder); 2. the nail pulling is difficult, great force is needed, and several workers need to use one set of tool for operation in turn; 3. the operation is inconvenient, the length direction of the pin puller is consistent with the disassembling direction of the pin, when the pin of the compound extruder is replaced, the pin at the end part cannot be taken out by the pin puller due to the fact that the space between the included angles of the two extruders is small, and other tools need to be replaced.
Therefore, the traditional mode of manually taking out the pins of the extruder by adopting the wrench is time-consuming and labor-consuming, needs a large amount of manpower, and influences the pin taking-out efficiency.
Chinese patent CN212044476U discloses an extractor for screw pins of an extruder, which comprises: the pin is inserted into the screw of the extruder, and the outer end head of the pin is provided with a threaded hole; the lifting support is provided with a locking hole on the bottom surface, and jacking wings are arranged on two sides of the top of the lifting support; the fixing bolt is used for penetrating through the locking hole and being locked between the threaded hole of the pin and the lifting bracket; and a lifting member supported between the extruder screw and the lifting wing for pulling the pin out of the extruder screw. The outer end of the pin is provided with a threaded hole, the pin is locked on the lifting support through the matched fixing bolt, and the pin is pulled out through a jack or a hydraulic cylinder. However, the device needs to be provided with a lifting piece, occupies a large space and has low operation efficiency.
Disclosure of Invention
In order to solve the problems of difficulty in disassembling, high labor intensity and low efficiency in manual disassembling of the pin of the extruder in the prior art, the invention provides the hydraulic disassembling device for the pin of the extruder.
The purpose of the invention can be realized by the following technical scheme:
the invention provides a hydraulic dismounting device for a pin of an extruder, which is used for taking out the pin in the extruder, and comprises an oil cylinder, a fixed frame, a connecting rod and a hydraulic pump, wherein the fixed frame is connected to the lower end of the oil cylinder, the oil cylinder is provided with two interfaces for being connected with the hydraulic pump, the connecting rod passes through the oil cylinder, the lower end of the connecting rod is of an external thread structure matched with an internal thread at the top of the pin in the extruder, the lower end of the connecting rod is connected with the pin in the extruder through a thread structure, the upper end of the connecting rod is provided with the thread structure, and the connecting rod is fixedly connected to the upper end of the oil cylinder through a nut; the hydraulic pump drives the connecting rod to move upwards through the oil cylinder, and the pin in the extruder is taken out.
In one embodiment of the invention, the connecting rod is of smooth cylindrical configuration except for a threaded configuration at the lower end and a threaded configuration at the upper end.
In one embodiment of the invention, the length of the connecting rod is greater than the length of the oil cylinder, and the upper end and the lower end of the connecting rod extend out of the oil cylinder.
In an embodiment of the present invention, the fixing frame is a cylindrical structure, the fixing clip is connected to the lower end of the oil cylinder through a thread, and the fixing clip is detachable from the oil cylinder.
In one embodiment of the invention, the lower end of the fixing frame is an arc-shaped structure which is attached to the surface of the cylinder of the extruder.
In one embodiment of the invention, two handles are arranged on the fixing frame, so that the lower end of the fixing frame can be conveniently adjusted to be in a state of being attached to the surface of the cylinder of the extruder.
In one embodiment of the invention, the handle on the fixing frame is composed of a fixing nut welded on the surface of the fixing clamp, a threaded rod connected with the nut and a nut connected with the other end of the threaded rod.
In one embodiment of the invention, the two handles of the fixing frame are positioned in the same diameter direction of the fixing frame.
In one embodiment of the present invention, the oil cylinder is further connected with a connecting cover, and the connecting cover is located at one end far away from the fixing frame.
In one embodiment of the invention, the connecting cover is a cylinder structure, and the connecting cover is connected with the oil cylinder through threads.
In one embodiment of the invention, the hydraulic pump is a manual hydraulic pump.
When the hydraulic disassembling device for the pin of the extruder is used, firstly, the fixing frame, the connecting cover and the oil cylinder are combined, then, the lower end of the connecting rod extends into the pin in the extruder, the lower end of the connecting rod is connected and fastened with the pin in the extruder through the threaded structure, then, the assembled oil cylinder penetrates through the connecting rod, the fixing frame is adjusted, the lower end of the fixing frame is adjusted to be in a state of being attached to the surface of a machine barrel of the extruder, at the moment, the upper end of the connecting rod extends out of the oil cylinder, the nut is fastened at the upper end of the connecting rod, and is clamped at the upper end of the oil cylinder, so that the connection between the lower end of the connecting rod and the pin is realized, and the upper end of the connecting rod is connected with the oil cylinder; and then connecting two ends of the pipeline of the hydraulic pump with two ports on the oil cylinder, and driving the connecting rod to move upwards through the oil cylinder under the action of the hydraulic pump so as to take out the pin in the extruder.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention adopts the structure of the hydraulic pump, the oil cylinder, the fixing frame and the connecting rod, adopts a hydraulic mode, and drives the connecting rod to move upwards through the oil cylinder so as to take out the pins in the extruder, thereby saving time and labor and improving the disassembly and assembly efficiency.
2. The oil cylinder, the fixing frame and the connecting rod are all cylindrical structures, and are perpendicular to the surface of the extruder barrel when in use, and the hydraulic pump is connected with the oil cylinder through a pipeline, so that the whole device occupies a small space, has low requirements on construction environment, can be suitable for various environments, and is convenient to construct.
3. The hydraulic pump, the oil cylinder, the fixing frame, the connecting rod and the connecting cover in the device provided by the invention can be detached, and can be directly detached and placed when not in use, so that the device is convenient to move and store.
Drawings
FIG. 1 is a schematic view of the structure of an extruder barrel and pins;
FIG. 2 is a schematic structural view of the hydraulic pin disassembling device of the extruder provided by the invention after disassembly;
FIG. 3 is a schematic structural view of the hydraulic disassembling device for the pin of the extruder provided by the invention after assembly;
fig. 4 is a schematic structural view of the hydraulic pin disassembling device for the extruder provided by the invention when in use.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Examples
Referring to fig. 1, which shows a schematic structural view of an extruder barrel and pins, in fig. 1, a plurality of pins 1 are actually installed in an extruder barrel 8, but only one pin 1 is shown in fig. 1 for simplicity, and the top of the pin 1 is provided with internal threads.
Referring to fig. 2 and 3, the hydraulic dismounting device for the pin of the extruder is shown, and comprises an oil cylinder 2, a fixed frame 3, a connecting rod 4 and a hydraulic pump 5, wherein the fixed frame 3 is connected to the lower end of the oil cylinder 2, the oil cylinder 2 is provided with two interfaces for connecting with the hydraulic pump 5, the connecting rod 4 passes through the oil cylinder 2, the lower end of the connecting rod 4 is an external thread structure matched with the internal thread at the top of the pin 1 in the extruder, the lower end of the connecting rod 4 is connected with the pin 1 in the extruder through a thread structure, the upper end of the connecting rod 4 is provided with a thread structure, and is fixedly connected to the upper end of the oil cylinder 2 through a nut 7; the hydraulic pump 5 drives the connecting rod 4 to move upwards through the oil cylinder 2, and the pin 1 in the extruder is taken out.
In this embodiment, the connecting rod 4 has a smooth cylindrical structure except for the threaded structure at the lower end and the threaded structure at the upper end. The length of the connecting rod 4 is larger than that of the oil cylinder 2, and the upper end and the lower end of the connecting rod extend out of the oil cylinder 2.
In this embodiment, the fixing frame 3 is a cylindrical structure, the fixing clip 3 is connected with the lower end of the oil cylinder 2 through threads, and the fixing clip 3 and the oil cylinder 2 can be detached from each other. The lower end of the fixing frame 3 is of an arc structure which is attached to the surface of a machine barrel of the extruder. Two handles are arranged on the fixing frame 3, so that the lower end of the fixing frame 3 can be conveniently adjusted to be in a state of being attached to the surface of the machine barrel of the extruder. The handle on the fixing frame 3 consists of a fixing nut welded on the surface of the fixing clamp, a threaded rod connected with the nut and a nut connected with the other end of the threaded rod. The two handles of the fixing frame 3 are positioned in the same diameter direction of the fixing frame 3.
In this embodiment, the oil cylinder 2 is further connected with a connecting cover 6, and the connecting cover 6 is located at one end far away from the fixing frame 3. The connecting cover 6 is of a cylindrical structure, and the connecting cover 6 is connected with the oil cylinder 2 through threads.
In this embodiment, the hydraulic pump 5 is a manual hydraulic pump.
Referring to fig. 4, when the hydraulic dismounting device for pins of an extruder provided in this embodiment is used, firstly, the fixing frame 3 and the connecting cover 6 are combined with the oil cylinder 2, then the lower end of the connecting rod 4 is inserted into the pin 1 in the extruder, and the lower end of the connecting rod 4 is connected and fastened with the pin 1 in the extruder through a threaded structure, then the assembled oil cylinder 2 passes through the connecting rod 4, the fixing frame 3 is adjusted, and the lower end of the fixing frame 3 is adjusted to a state of being attached to the surface of the barrel of the extruder, at this time, the upper end of the connecting rod 4 extends out of the oil cylinder 2, the nut 7 is fastened at the upper end of the connecting rod 4, and the nut 7 is clamped at the upper end of the oil cylinder 2, at this time, the state that the lower end of the connecting rod 4 is connected with the pin 1, and the upper end of the connecting rod 4 is connected with the oil cylinder 2 is realized; and then, two ends of a pipeline of the hydraulic pump 5 are connected with two ports on the oil cylinder 2, and the oil cylinder 2 drives the connecting rod 4 to move upwards under the action of the hydraulic pump 5, so that the pin 1 in the extruder is taken out.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The hydraulic dismounting device for the pin of the extruder is characterized by being used for taking out the pin (1) in the extruder, and comprising an oil cylinder (2), a fixing frame (3), a connecting rod (4) and a hydraulic pump (5), wherein the fixing frame (3) is connected to the lower end of the oil cylinder (2), the oil cylinder (2) is provided with two interfaces for being connected with the hydraulic pump (5), the connecting rod (4) penetrates through the oil cylinder (2), the lower end of the connecting rod (4) is of an external thread structure matched with the internal thread at the top of the pin (1) in the extruder, the lower end of the connecting rod (4) is connected with the pin (1) in the extruder through a thread structure, the upper end of the connecting rod (4) is provided with a thread structure, and is fixedly connected to the upper end of the oil cylinder (2) through a nut (7); the hydraulic pump (5) drives the connecting rod (4) to move upwards through the oil cylinder (2), and the pin (1) in the extruder is taken out.
2. The hydraulic pin disassembling device for the extruder according to claim 1, characterized in that the rest of the connecting rod (4) is a smooth cylindrical structure except for the thread structure at the lower end and the thread structure at the upper end, the length of the connecting rod (4) is longer than that of the oil cylinder (2), and the upper end and the lower end of the connecting rod extend out of the oil cylinder (2).
3. The hydraulic pin disassembling device for the extruder according to claim 1, characterized in that the fixing frame (3) is a cylinder structure, the fixing clamp (3) is connected with the lower end of the oil cylinder (2) through a thread, and the fixing clamp (3) can be disassembled from the oil cylinder (2).
4. The hydraulic dismounting device for the pin of the extruder is characterized in that the lower end of the fixing frame (3) is of an arc-shaped structure which is attached to the surface of the barrel of the extruder.
5. The hydraulic dismounting device for the pin of the extruder according to claim 1, characterized in that two handles are arranged on the fixing frame (3).
6. A hydraulic dismounting device for pins of an extruder according to claim 5, characterized in that the handle on the fixing frame (3) is composed of a fixing nut welded on the surface of the fixing clamp, a threaded rod connected with the nut and a nut connected with the other end of the threaded rod.
7. The hydraulic dismounting device for the pin of the extruder according to claim 5, characterized in that the two handles of the fixing frame (3) are located in the same diameter direction of the fixing frame (3).
8. The hydraulic extruder pin dismounting device according to claim 1, characterized in that the cylinder (2) is further connected to a connecting cover (6), and the connecting cover (6) is located at an end away from the fixed frame (3).
9. The hydraulic dismounting device for the pin of the extruder according to claim 8, characterized in that the connecting cover (6) is of a cylindrical structure, and the connecting cover (6) is in threaded connection with the oil cylinder (2).
10. The extruder pin hydraulic dismounting device according to claim 1, characterized in that the hydraulic pump (5) is a manual hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210646575.5A CN115106755A (en) | 2022-06-08 | 2022-06-08 | Hydraulic type dismounting device for pin of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210646575.5A CN115106755A (en) | 2022-06-08 | 2022-06-08 | Hydraulic type dismounting device for pin of extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115106755A true CN115106755A (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210646575.5A Pending CN115106755A (en) | 2022-06-08 | 2022-06-08 | Hydraulic type dismounting device for pin of extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115106755A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0553868U (en) * | 1991-12-25 | 1993-07-20 | 陳 瑞年 | Hydraulic extraction device |
| US20140173866A1 (en) * | 2012-12-25 | 2014-06-26 | Hsin-Fa Kang | Tool for detaching piston bolt from cylinder |
| CN104368955A (en) * | 2014-10-01 | 2015-02-25 | 鄂尔多斯职业学院 | Multifunctional bidirectional hydraulic bearing puller |
| CN105710829A (en) * | 2016-04-28 | 2016-06-29 | 桂林睿仕机械设备有限公司 | Dowel detachment device |
| CN205668232U (en) * | 2016-06-17 | 2016-11-02 | 北京京丰燃气发电有限责任公司 | A kind of hydraulic pin remover |
-
2022
- 2022-06-08 CN CN202210646575.5A patent/CN115106755A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0553868U (en) * | 1991-12-25 | 1993-07-20 | 陳 瑞年 | Hydraulic extraction device |
| US20140173866A1 (en) * | 2012-12-25 | 2014-06-26 | Hsin-Fa Kang | Tool for detaching piston bolt from cylinder |
| CN104368955A (en) * | 2014-10-01 | 2015-02-25 | 鄂尔多斯职业学院 | Multifunctional bidirectional hydraulic bearing puller |
| CN105710829A (en) * | 2016-04-28 | 2016-06-29 | 桂林睿仕机械设备有限公司 | Dowel detachment device |
| CN205668232U (en) * | 2016-06-17 | 2016-11-02 | 北京京丰燃气发电有限责任公司 | A kind of hydraulic pin remover |
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