CN212119108U

CN212119108U - Vacuum degassing tank

Info

Publication number: CN212119108U
Application number: CN202020631760.3U
Authority: CN
Inventors: 邝光照; 苗毕红; 胡湘娥
Original assignee: Zhongshan Kaixuan Vacuum Science and Technology Co Ltd
Current assignee: Zhongshan Kaixuan Vacuum Science and Technology Co Ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-11
Anticipated expiration: 2030-04-23

Abstract

The utility model provides a vacuum degassing tank, which comprises a tank body, wherein the tank body comprises a tank cover, the vacuum degassing tank also comprises a spiral lifting degassing component arranged in the tank body, the spiral lifting degassing component comprises a lifting cylinder, a screw rod and a degassing part, the lifting cylinder is connected with the tank cover, the lifting cylinder is provided with a feed inlet and a discharge outlet, and the discharge outlet is closer to the tank cover than the feed inlet; the screw rod is arranged in the lifting cylinder and can rotate relative to the lifting cylinder so as to lift the materials in the tank body upwards; the degasification part is arranged outside the lifting cylinder and is provided with an umbrella-shaped surface which is positioned below the discharge hole.

Description

Vacuum degassing tank

Technical Field

The utility model discloses generally relate to vacuum degassing jar technical field, particularly, relate to a good vacuum degassing jar of degasification effect.

Background

Parts such as transformers, mutual inductors, reactors, electromagnetic compatible coils and the like are generally formed by vacuum casting of epoxy resin insulating materials, and the quality of the epoxy resin insulating materials plays an important role in the performance of the parts after vacuum casting. However, whether the casting material is degassed completely is an important index for evaluating the quality of the material, and is also an important influence factor for the quality of the vacuum casting molding process. The vacuum degassing tank in the prior art has a complex structure, and degassing is not thorough, so that the quality of a casting material is seriously influenced.

The above information disclosed in this background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a vacuum degassing tank to solve the problem of incomplete degassing existing in the prior art.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

according to one aspect of the utility model, a vacuum degassing tank is provided, which comprises a tank body, wherein the tank body comprises a tank cover, the vacuum degassing tank further comprises a spiral lifting degassing component arranged in the tank body, the spiral lifting degassing component comprises a lifting cylinder, a spiral rod and a degassing part, the lifting cylinder is connected with the tank cover, the lifting cylinder is provided with a feed inlet and a discharge outlet, and the discharge outlet is closer to the tank cover than the feed inlet; the screw rod is arranged in the lifting cylinder and can rotate relative to the lifting cylinder so as to lift the materials in the tank body upwards; the degassing part is arranged outside the lifting cylinder and is provided with an umbrella-shaped surface which is positioned below the discharge hole.

According to some embodiments of the present invention, the vacuum degassing tank further comprises a stirring assembly connected to the screw rod for stirring the material.

According to the utility model discloses some embodiments, the stirring subassembly includes two stirring rakes, two the stirring rake evenly sets up the both sides of hob.

According to some embodiments of the present invention, each of the paddles includes a first portion and a second portion, the first portion is connected to the bottom of the screw rod and forms an acute angle with the axis of the screw rod, and the second portion is parallel to the axis of the screw rod.

According to the utility model discloses some embodiments, the stirring subassembly still includes at least one striker plate, at least one striker plate is located promote a section of thick bamboo's outside, and follow promote a section of thick bamboo's circumference evenly sets up.

According to some embodiments of the invention, the at least one striker plate comprises two striker plates.

According to some embodiments of the invention, the screw rod is coaxial with the lifting cylinder.

According to the utility model discloses some embodiments, the vacuum degassing jar still include the frame with install in motor on the frame, the motor through a pivot interlock in the hob, the pivot is located in the frame, the frame with be equipped with skeleton sealing device between the pivot.

According to some embodiments of the present invention, the vacuum degassing tank further comprises a rotary bearing, an outer ring of the rotary bearing is fixedly connected to the center hole of the tank cover, and the motor is linked to the screw rod through the rotary bearing.

According to some embodiments of the invention, the pivot bearing the hob with the lifting cylinder is coaxial.

An embodiment in the above-mentioned utility model has following advantage or beneficial effect:

the degassing process of the vacuum degassing tank of the present invention is described in detail below:

through the rotation of the screw rod, the materials in the tank body can be lifted upwards along the lifting cylinder and flow out from the discharge hole of the lifting cylinder. Because the degassing piece is provided with the umbrella-shaped surface, the flowing-out material forms a layer of film material on the umbrella-shaped surface, the bubbles in the film material are exposed immediately, and the bubbles are exploded in a vacuum environment. After the film material falls into the tank body again, the screw rod continuously works, and then the material is lifted upwards, and the process is repeated. Compare the degasser among the prior art, the degassing tank of this embodiment's simple structure, convenient operation to degasification effect is better.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 is a perspective view of a vacuum degassing tank shown in accordance with an exemplary embodiment.

FIG. 2 is a cross-sectional view of a vacuum degassing tank shown in accordance with an exemplary embodiment.

FIG. 3 is a perspective view of a spiral lift degassing assembly shown according to an exemplary embodiment.

FIG. 4 is a cross-sectional view of a spiral lift degassing assembly shown in accordance with an exemplary embodiment.

FIG. 5 is a side view of a spiral lift degassing assembly shown according to an exemplary embodiment.

Wherein the reference numerals are as follows:

10. tank body

101. Viewing port

102. An outlet

110. Can lid

210. Electric machine

220. Speed reducer

230. Slewing bearing

240. Engine base

250. Rotating shaft

310. Lifting cylinder

311. Feed inlet

312. Discharge port

313. Striker plate

320. Screw rod

330. Degassing piece

331. Umbrella-shaped surface

510. Stirring paddle

511. The first part

512. The second part

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". Other relative terms, such as "top", "bottom", and the like, are also intended to have similar meanings. The terms "a," "an," "the," and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," "third," and "fourth," etc. are used merely as labels, and are not limiting as to the number of their objects.

As shown in fig. 1 and 2, fig. 1 is a perspective view of a vacuum degassing tank shown according to an exemplary embodiment. FIG. 2 is a cross-sectional view of a vacuum degassing tank shown in accordance with an exemplary embodiment. The utility model discloses a vacuum degassing tank for the material to the jar body 10 in degasses, in order to eliminate the bubble remaining in the material. In an exemplary embodiment, the vacuum degassing tank includes a tank body 10, a spiral lifting degassing assembly disposed in the tank body 10, and a driving assembly for driving the spiral lifting degassing assembly to operate so as to lift and degas a material located at the bottom of the tank body 10.

The can body 10 includes a can lid 110 and a can body, the can lid 110 is fastened to the can body, and a sealing device, such as a sealing ring, is disposed at a connection between the can lid 110 and the can body to ensure a vacuum state inside the can body 10. For example, the can body 10 may be vacuumized by a vacuum pump to obtain a desired vacuum state.

The bottom of the tank 10 is provided with an outlet 102, and the material can flow in through the outlet 102 after the degassing is completed.

The driving assembly includes a motor 210, a decelerator 220 and a rotation shaft 250, the motor 210 is coupled to the decelerator 220 and fixedly coupled to the upper surface of the can cover 110 of the can body 10, for example, the motor 210 and the decelerator 220 are coupled to a base 240 by bolts, and the base 240 is fixedly coupled to the upper surface of the can cover 110 by bolts. The shaft 250 may be located inside the base 240, and the motor 210 and the decelerator 220 are coupled to the spiral elevating degassing assembly through the shaft 250.

In some embodiments, a frame sealing device is disposed between the shaft 250 and the base 240, and is used to seal a gap between the shaft 250 and the base 240, so as to ensure a vacuum state in the tank 10.

In some embodiments, the tank 10 is provided with a viewing port 101 for an operator to view the state of the material in the tank 10 at any time and to adjust the degassing time and/or the rotation speed of the motor 210.

In some embodiments, the tank 10 is further provided with a heating device (not shown) for heating the material in the tank 10 to improve the efficiency of degassing the material.

As shown in fig. 3 to 5, fig. 3 is a perspective view of a spiral lift degassing assembly shown according to an exemplary embodiment, fig. 4 is a sectional view of a spiral lift degassing assembly shown according to an exemplary embodiment, and fig. 5 is a side view of a spiral lift degassing assembly shown according to an exemplary embodiment. In an exemplary embodiment, the spiral lift degassing assembly includes a lift cylinder 310, a spiral rod 320, and a degassing member 330. The lift cylinder 310 is fixedly attached to the can lid 110 of the can body 10, such as by a bolt assembly. Of course, in other embodiments, the lifting cylinder 310 can be fixedly connected to the tank cover 110 in other manners, which are not listed here.

In some embodiments, the lift cylinder 310 may be cylindrical and may be coaxial with the can body 10, and the lift cylinder 310 may extend from the bottom surface of the can lid 110 to the bottom of the can body 10.

In some embodiments, the bottom of the lift cylinder 310 is provided with a feed port 311, and the top of the lift cylinder 310 is provided with a discharge port 312. The material on the bottom of the can body 10 can flow in from the inlet 311 of the lifting cylinder 310 by the rotation of the screw 320 and move upward along with the rotation of the screw 320 until flowing out from the outlet 312 of the lifting cylinder 310. In some embodiments, the feed inlet 311 is formed on the end surface of the bottom of the lift cylinder 310, so that the material in the bottom of the can body 10 can be lifted as completely as possible. Of course, in other embodiments, the feed inlet 311 may be disposed on the sidewall of the lift cylinder 310 and near the bottom end surface of the lift cylinder 310.

The discharge port 312 of the lift cylinder 310 penetrates through the sidewall of the lift cylinder 310 and communicates with the inside and the outside of the lift cylinder 310. In some embodiments, the number of the discharge ports 312 may be plural, and the plural discharge ports 312 are uniformly arranged along the circumference of the lifting cylinder 310.

With continued reference to fig. 3-5, in an exemplary embodiment, the screw 320 is disposed within the lifting cylinder 310 and is configured to rotate relative to the lifting cylinder 310 to lift the material within the can body 10 upward. The screw 320 includes a rod portion and a spiral portion provided outside the rod portion, the spiral portion being spirally wound along a circumferential direction of the rod portion. A predetermined gap is formed between the outer contour of the spiral part of the spiral rod 320 and the lifting cylinder 310, and the gap prevents the spiral part from colliding with the lifting cylinder 310 during the rotation process and prevents materials from leaking from the gap during the lifting process.

As shown in fig. 5, the can lid 110 has a central hole (not shown) for a driving assembly to penetrate into the can body 10 to transmit power of the motor 210 to the screw 320. The edge of the center hole is provided with a rotary bearing 230, the outer ring of the rotary bearing 230 is fixedly connected to the center hole of the can cover 110, and the inner ring can rotate relative to the outer ring.

The rotary shaft 250 is fixedly coupled to the inner race of the slewing bearing 230, for example, by a screw assembly. One end of the rod portion of the screw 320 is fixedly coupled to the inner race of the slewing bearing 230. The design of the rotary bearing 230 can ensure that the rotating shaft 250 and the screw 320 are coaxial.

Referring to fig. 3 to 5, in an exemplary embodiment, the degassing member 330 is disposed outside the lifting cylinder 310 and has an umbrella surface 331, the umbrella surface 331 is located below the discharge port 312 of the lifting cylinder 310, so that the material flowing out from the discharge port 312 can move along the umbrella surface 331 until the material flows to the end of the umbrella surface 331, falls down again into the tank 10, and is lifted up again by the spiral rod 320, and thus the process is repeated.

the material in the can body 10 is lifted up along the lifting cylinder 310 by the rotation of the screw 320 and flows out of the discharge port 312 of the lifting cylinder 310. Since the degassing member 330 has the umbrella-shaped surface 331, the discharged material forms a layer of film material on the umbrella-shaped surface 331, and the bubbles in the film material are exposed immediately, and the bubbles are exploded in a vacuum environment. After the film material falls into the can body 10 again, the screw 320 works continuously to lift the material upward, and so on. Compare the degasser among the prior art, the degassing tank of this embodiment's simple structure, convenient operation to degasification effect is better.

With continued reference to fig. 3-5, in an exemplary embodiment, the degassing tank further includes two paddles 510 for agitating the contents of the tank 10 to more uniformly mix two or more of the contents. Of course, in other embodiments, the number of paddles 510 may also be one, three, four, etc.

In some embodiments, two paddles 510 are disposed evenly on both sides of the screw 320. In some embodiments, each paddle 510 includes a first portion 511 and a second portion 512, the first portion 511 is connected to the bottom of the screw 320 and forms an acute angle with the axis of the screw 320, and the second portion 512 is parallel to the axis of the screw 320.

In an exemplary embodiment, two striker plates 313 are further included and fixedly attached to the exterior of the lift cylinder 310, such as by clips that attach the striker plates 313 to the lift cylinder 310. The material baffle 313 is arranged to prevent the material from continuously rotating along one direction (anticlockwise or clockwise), and the material is more uniform by matching with the stirring paddle 510. Of course, in other embodiments, the number of the striker plates 313 may be one, three, etc.

To sum up, the utility model discloses an advantage and the beneficial effect of vacuum degassing jar lie in:

It is to be noted here that the vacuum degassing tank shown in the drawings and described in the present description is only one example of the application of the principles of the present invention. It should be clearly understood by those skilled in the art that the principles of the present invention are not limited to any of the details or any of the components of the apparatus shown in the drawings or described in the specification.

It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the description. The present invention is capable of other embodiments and of being practiced and carried out in a variety of ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute various alternative aspects of the present invention. The embodiments set forth herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.

Claims

1. A vacuum degassing tank, comprising a tank body, the tank body including a tank cover, characterized in that, the vacuum degassing tank is still including setting up the spiral lifting degasification subassembly in the tank body, the spiral lifting degasification subassembly includes:

the lifting cylinder is connected to the tank cover and provided with a feeding hole and a discharging hole, and the discharging hole is closer to the tank cover than the feeding hole;

a screw rod disposed within the lifting cylinder and configured to be rotatable relative to the lifting cylinder to lift the material within the tank body upward; and

the degassing part is arranged outside the lifting cylinder and is provided with an umbrella-shaped surface, and the umbrella-shaped surface is positioned below the discharge hole.

2. The vacuum degassing tank of claim 1, further comprising a stirring assembly coupled to the screw to stir the material.

3. A vacuum degassing tank according to claim 2, wherein the stirring assembly comprises two stirring paddles, the two stirring paddles being arranged evenly on both sides of the screw.

4. A vacuum degassing tank according to claim 3, wherein each of the paddles comprises a first portion connected to the bottom of the screw at an acute angle to the axis of the screw and a second portion parallel to the axis of the screw.

5. The vacuum degassing tank of claim 2, wherein the stirring assembly further comprises at least one baffle plate, and the at least one baffle plate is arranged outside the lifting cylinder and is uniformly arranged along the circumference of the lifting cylinder.

6. The vacuum degassing tank of claim 5, wherein the at least one dam comprises two of the dams.

7. The vacuum degassing tank of claim 1, wherein the screw is coaxial with the lift cylinder.

8. The vacuum degassing tank of claim 1, further comprising a base and a motor mounted on the base, wherein the motor is coupled to the screw rod via a shaft, the shaft is disposed in the base, and a frame sealing device is disposed between the base and the shaft.

9. A vacuum degassing tank according to claim 8, further comprising a slew bearing, an outer ring of the slew bearing being fixedly attached to the central aperture of the tank cover, the motor being linked to the screw shaft via the slew bearing.

10. The vacuum degassing tank of claim 9, wherein the slew bearing, the screw rod, and the lift cylinder are coaxial.