CN219006966U

CN219006966U - Oil gun for extruder

Info

Publication number: CN219006966U
Application number: CN202223339621.1U
Authority: CN
Inventors: 栾麟; 崔哲
Original assignee: Zhongshan Chuanji Intelligent Technology Co ltd
Current assignee: Zhongshan Chuanji Intelligent Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-12
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to an oil gun for an extruder, which comprises a gun barrel, a gun barrel and an adjusting barrel, wherein the front end of the gun barrel is connected with the gun barrel, the rear end of the gun barrel is connected with the adjusting barrel, the gun barrel and the adjusting barrel form a gun inner cavity after being connected, a valve core is arranged in the gun inner cavity, the rear end of the valve core is connected with an elastic device, the rear end of the elastic device is propped against the rear end of the adjusting barrel, and the valve core keeps the forward elasticity trend under the action of the elastic device so as to enable the front end of the valve core to block an oil filling port; the gun inner cavity at the front end of the elastic device is defined as an oil injection cavity; the oil inlet is formed in the wall of the gun barrel, oil is pumped into the oil injection cavity through the oil inlet to form oil pressure, the oil acts on the front end of the elastic device to elastically push the elastic device back, the valve core moves back under the driving of the elastic device to expose the oil injection port, and thus the oil can be pumped out from the oil injection port.

Description

Oil gun for extruder

[ field of technology ]

The utility model relates to an oil gun for an extruder.

[ background Art ]

In the prior art, an extruder belongs to one of the types of plastic machinery, and materials are extruded from a porous machine head or a metal net by high extrusion pressure after being fully plasticized and uniformly mixed.

When the existing extruder is operated, lubricating oil is generally added through the oil filling port of the extruder, because the extruder is internally provided with high pressure, after the oil gun port is aligned with the oil filling port, the pumping pressure of oil can be insufficient to pump the oil, but instead, molten materials in the extruder can be extruded out through the oil filling port under pressure to block the oil gun port, and the oil gun can be normally used only by removing the oil gun port.

In view of the above problems, the applicant has proposed a solution.

[ utility model ]

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an oil gun for an extruder, which adopts the following technical scheme:

the utility model provides an oil gun for extruder, includes barrel, barrel and adjustment section of thick bamboo, the barrel is connected in the front end of barrel, adjustment section of thick bamboo is connected in the rear end of barrel, the front and back of barrel link up, and its front end is the oiling mouth, the front and back of barrel link up, adjustment section of thick bamboo has front end opening, barrel and adjustment section of thick bamboo form the rifle inner chamber after connecting, be equipped with the case in the rifle inner chamber, the front end of case is towards the oiling mouth, the rear end is towards adjustment section of thick bamboo, the rear end of case is connected with resilient means, resilient means's rear end top is connected in the rear end of adjustment section of thick bamboo, resilient means's front end acts on the case so that the case keeps elasticity trend forward under the normality, the front end of case blocks up the oiling mouth under the normality; the gun inner cavity at the front end of the elastic device is defined as an oil injection cavity; an oil inlet is formed in the gun barrel wall and is communicated to the inner cavity of the gun barrel so that oil can be pumped into the oil injection cavity.

In a further improvement, the adjusting cylinder is in threaded connection with the rear end of the gun barrel, and the adjusting cylinder can adjust the screw pitch through rotation so as to adjust the elastic force of the elastic device.

In a further improvement, an oil inlet pipe is connected to the outer wall of the gun barrel, and the oil inlet pipe is communicated with the oil inlet port.

In a further improvement scheme, the gun barrel is including well barrel part to and connect in the barrel connecting portion of well barrel part front end, connect in the regulation barrel connecting portion of well barrel part rear end, well barrel part, barrel connecting portion and the inner chamber internal diameter size of adjusting the barrel connecting portion are unanimous and lie in same axis, the external diameter of barrel connecting portion is less than the external diameter of well barrel part be equipped with the screw thread on the outer fringe of well barrel part front end, the barrel suit is on barrel connecting portion, well barrel part front end has locked into a stop nut in the direction of keeping away from the barrel, the front end lock of well barrel part has gone into fixed cover, the rear side and the well barrel part locking of fixed cover, the front side of fixed cover is embraced in the rear end of barrel connecting portion.

In a further development, the outer diameter of the adjustment cylinder connection is smaller than the outer diameter of the middle cylinder, a thread is provided on the outer edge of the adjustment cylinder connection, and the adjustment cylinder thread is screwed on the adjustment cylinder connection.

In a further improvement, the elastic device comprises a fixed tail sleeve fixed on the rear end of the valve core and a spring, wherein the front end of the spring surrounds the fixed tail sleeve, and the rear end of the spring is abutted on the inner wall of the rear end of the adjusting cylinder.

In a further improvement, the front end of the valve core is in a needle point shape, and the oil filling port is plugged at the position of the oil filling port inserted into the gun barrel.

Compared with the prior art, the utility model has the beneficial effects that: under the normal state, the case is toward the oil filler opening direction top and jam oil filler opening under the effect of resilient means, during the use, oil pumps into the oil filler opening through the oil inlet, form the oil pressure in the oil filler opening, the front end at resilient means is used, push back resilient means elasticity, the case just moves backward under resilient means's drive like this, expose the oil filler opening, oil just can pump from the oil filler opening department like this, because the oil filler opening is stopped up before the oil extraction, even if it is behind the oil filler opening of aiming at the extruder, the melted material can't get into oil filler opening department and stop up the oil filler opening, the operating personnel just need not clean oil filler opening, and is convenient and practical, the life of oil gun has been prolonged.

The utility model is described in further detail below with reference to the attached drawings and detailed description:

[ description of the drawings ]

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view I of an embodiment of the present utility model;

FIG. 3 is a second cross-sectional view of an embodiment of the present utility model;

fig. 4 is an exploded view of an embodiment of the present utility model.

Description of main reference numerals:

10. a barrel; 11. an oil filling port; 20. a barrel connection; 30. a middle tube part; 40. an adjusting cylinder connecting part; 50. an adjustment cylinder; 60. a valve core; 70. an oil filling cavity; 80. an oil inlet pipe; 81. an oil inlet; 90. a limit nut; 100. a fixed sleeve; 110. fixing the tail sleeve; 120. and (3) a spring.

[ detailed description ] of the utility model

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout.

The orientations shown in the drawings are not to be construed as limiting the specific scope of the utility model, and only as a reference to the preferred embodiments, variations in the positions or numbers of product components shown in the drawings or structural simplifications may be made.

The terms "connected" and "connected" as used in the specification and illustrated in the drawings refer to the components as being "connected" to each other, and are understood to mean fixedly connected or detachably connected or integrally connected; the connection can be direct connection or connection through an intermediate medium, and a person skilled in the art can understand the connection relation according to specific situations to obtain a screw connection or riveting or welding or clamping or embedding and other modes to replace the modes in different embodiments in a proper mode.

Terms of orientation such as up, down, left, right, top, bottom, and the like, as well as orientations shown in the drawings, may be used for direct contact or contact by additional features between the components; such as directly above and obliquely above, or it merely represents above the other; other orientations may be understood by analogy.

The materials for manufacturing the components with solid shapes shown in the specification and the drawings can be metal materials or nonmetal materials or terylene materials or nylon materials or pp plastics or other synthetic materials; the machining process adopted for the parts with solid shapes can be stamping, forging, casting, wire cutting, laser cutting, casting, injection molding, milling, three-dimensional printing, machining and the like; those skilled in the art can adaptively select or combine according to different processing conditions, costs and precision, but are not limited to the above materials and manufacturing processes.

The utility model relates to an oil gun for an extruder, which is shown in fig. 1-4, and comprises a gun barrel 10, a gun barrel and an adjusting barrel 50, wherein the gun barrel 10 is connected to the front end of the gun barrel, the adjusting barrel 50 is connected to the rear end of the gun barrel, the gun barrel 10 is communicated front and back, the front end of the gun barrel is an oil filling port 11, the gun barrel is communicated front and back, the adjusting barrel 50 is provided with a front end opening, the gun barrel 10, the gun barrel and the adjusting barrel 50 form a gun cavity after being connected, a valve core 60 is arranged in the gun cavity, the front end of the valve core 60 faces the oil filling port 11, the rear end of the valve core 60 faces the adjusting barrel 50, the rear end of the valve core 60 is connected with an elastic device, the rear end of the elastic device is propped against the rear end of the adjusting barrel 50, the front end of the elastic device acts on the valve core 60 to enable the valve core 60 to keep an elastic forward trend under a normal state, and the front end of the valve core 60 blocks the oil filling port 11 under a normal state; the gun inner cavity at the front end of the elastic device is defined as an oiling cavity 70, and is separated by arranging a sealing plug at the front end of the elastic device; an oil inlet 81 is formed in the wall of the gun barrel, the oil inlet 81 is communicated to the inner cavity of the gun barrel so that oil can be pumped into the oil injection cavity 70, and in an embodiment, an oil inlet pipe 80 is connected to the outer wall of the gun barrel, and the oil inlet pipe 80 is communicated with the oil inlet 81.

Under the normal state, the valve core 60 pushes against the direction of the oil filling port 11 and blocks the oil filling port 11 under the action of the elastic device, when the oil filling device is used, oil is pumped into the oil filling cavity 70 through the oil filling port 81 and is split to two sides, one side flows to the oil filling port 11, and the other side flows to the elastic device, because the oil filling port 11 is blocked and cannot flow out from the oil filling port 11, oil pressure is formed in the oil filling cavity 70 and acts on the front end of the elastic device to elastically push back the elastic device, so that the valve core 60 moves back under the driving of the elastic device to expose the oil filling port 11, oil can be pumped out from the oil filling port 11, and because the oil filling port 11 is blocked before oil is discharged, even if the oil filling port 11 is blocked after the oil filling port 11 is aligned with an extruder, molten materials cannot enter the oil filling port 11, an operator does not need to clean the oil filling port 11, and the oil filling device is convenient and practical, and the service life of the oil gun is prolonged.

In an embodiment, as shown in fig. 1 to 4, the adjusting cylinder 50 is in threaded connection with the rear end of the gun barrel, the adjusting cylinder 50 can adjust the screw pitch by rotating to adjust the elastic force of the elastic device, and after the oil is pumped into the oil filling cavity 70, the front end of the valve core 60 can be adjusted to expose the oil filling port 11 by adjusting the elastic force of the elastic device, so as to adjust the pressure and flow of the oil sprayed through the oil filling port 11.

In an embodiment, as shown in fig. 1 to 4, the gun barrel comprises a middle barrel portion 30, a barrel connecting portion 20 connected to the front end of the middle barrel portion 30, and an adjusting barrel connecting portion 40 connected to the rear end of the middle barrel portion 30, wherein inner diameters of inner cavities of the middle barrel portion 30, the barrel connecting portion 20 and the adjusting barrel connecting portion 40 are identical in size and located on the same central axis, the outer diameter of the barrel connecting portion 20 is smaller than that of the middle barrel portion 30, threads are arranged on the outer edge of the front end of the middle barrel portion 30, the barrel 10 is sleeved on the barrel connecting portion 20, a limit nut 90 is locked in the direction away from the barrel 10 at the front end of the middle barrel portion 30, a fixing sleeve 100 is locked in the front end of the middle barrel portion 30, and the front side of the fixing sleeve 100 is wrapped around the rear end of the barrel connecting portion 20. During installation, the limit nut 90 is screwed into the threaded end of the middle barrel portion 30, namely in the direction away from the gun barrel 10, the rear end of the gun barrel 10 is sleeved on the gun barrel connecting portion 20, and finally the fixing sleeve 100 is sleeved from the front end of the gun barrel 10 to the front end of the middle barrel portion 30 and screwed into the threads for locking, so that a part of the fixing sleeve 100 is screwed with the middle barrel portion 30, and a part of the fixing sleeve is tightly held against the gun barrel 10, and the gun barrel 10 and the gun barrel are connected and fixed.

In an embodiment, as shown in fig. 1 to 4, the outer diameter of the adjusting cylinder connecting portion 40 is smaller than the outer diameter of the middle cylinder portion 30, a thread is provided on the outer edge of the adjusting cylinder connecting portion 40, the adjusting cylinder 50 is screwed on the adjusting cylinder connecting portion 40, when the adjusting cylinder is installed, the valve core 60 and the elastic device are installed, then the adjusting cylinder 50 is screwed on the adjusting cylinder connecting portion 40, so that the valve core 60 and the elastic device are contained in the adjusting cylinder 50, after the elastic device is screwed in, the elastic device comprises a fixed tail sleeve 110 fixed on the rear end of the valve core 60, and a spring 120, the front end of the spring 120 is wound on the fixed tail sleeve 110, the rear end of the spring is abutted on the inner wall of the rear end of the adjusting cylinder 50, and when in use, the elastic force of the elastic device can be adjusted by screwing in or screwing out the adjusting cylinder 50 at any time.

In an embodiment, as shown in fig. 1 to 4, the front end of the valve core 60 is in a needle shape, and is inserted into the oil filling port 11 of the barrel 10 to block the oil filling port 11.

While the present utility model has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the utility model as defined in the following claims. Accordingly, the detailed description of the disclosed embodiments is to be taken only by way of illustration and not by way of limitation, and the scope of protection is defined by the content of the claims.

Claims

1. The utility model provides a grease gun for extruder, its characterized in that includes barrel, barrel and adjusting cylinder, the barrel is connected in the front end of barrel, adjusting cylinder is connected in the rear end of barrel, the front and back of barrel link up, and its front end is the oiling mouth, the front and back of barrel link up, adjusting cylinder has front end opening, barrel and adjusting cylinder form the rifle inner chamber after connecting, be equipped with the case in the rifle inner chamber, the front end of case is towards the oiling mouth, the rear end is towards adjusting cylinder, the rear end of case is connected with resilient means, resilient means's rear end top is connected in adjusting cylinder's rear end, resilient means's front end acts on the case so that the case keeps elasticity trend forward under the normality, the front end of case blocks up the oiling mouth under the normality; the gun inner cavity at the front end of the elastic device is defined as an oil injection cavity; an oil inlet is formed in the gun barrel wall and is communicated to the inner cavity of the gun barrel so that oil can be pumped into the oil injection cavity.

2. An extruder grease gun as recited in claim 1, wherein the adjustment barrel is threadably connected to the rear end of the barrel, and wherein the adjustment barrel is rotatably adjustable in pitch to adjust the spring force of the spring means.

3. The oil gun for an extruder according to claim 1, wherein an oil inlet pipe is connected to an outer wall of the barrel, and the oil inlet pipe is communicated with the oil inlet port.

4. The oil gun for an extruder according to claim 2, wherein the gun barrel comprises a middle barrel part, a barrel connecting part connected to the front end of the middle barrel part, and an adjusting barrel connecting part connected to the rear end of the middle barrel part, the inner diameters of the inner cavities of the middle barrel part, the barrel connecting part and the adjusting barrel connecting part are consistent in size and positioned on the same central axis, the outer diameter of the barrel connecting part is smaller than that of the middle barrel part, threads are arranged on the outer edge of the front end of the middle barrel part, the barrel is sleeved on the barrel connecting part, a limit nut is locked in the direction away from the barrel at the front end of the middle barrel part, a fixing sleeve is locked in the front end of the middle barrel part, and the rear side of the fixing sleeve is locked with the middle barrel part and the front side of the fixing sleeve is encircling the rear end of the barrel connecting part.

5. The oil gun for an extruder according to claim 4, wherein the outer diameter of the adjustment cylinder connecting portion is smaller than the outer diameter of the middle cylinder portion, threads are provided on the outer periphery of the adjustment cylinder connecting portion, and the adjustment cylinder threads are screwed on the adjustment cylinder connecting portion.

6. The oil gun for an extruder of claim 1 wherein the elastic means comprises a fixed tail sleeve fixed to the rear end of the valve core, and a spring having a front end surrounding the fixed tail sleeve and a rear end abutting against the inner wall of the rear end of the regulating cylinder.

7. The oil gun for an extruder according to claim 1, wherein the front end of the valve core is needle-shaped, and the oil inlet of the barrel is plugged by the needle-shaped front end.