CN219607701U

CN219607701U - Zinc oxide resistor disc glue discharging furnace

Info

Publication number: CN219607701U
Application number: CN202320775265.3U
Authority: CN
Inventors: 汪丽; 刘凌云; 柳建军; 穆忍超; 杨军
Original assignee: Xiangyang Tte Electric Co ltd
Current assignee: Xiangyang Tte Electric Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-08-29
Anticipated expiration: 2033-04-10

Abstract

The utility model relates to the technical field of resistor disc production, in particular to a zinc oxide resistor disc glue discharging furnace, which comprises the following components: the heating furnace comprises a heating furnace body and a smoke exhaust pipeline, wherein a heating cavity is formed in the heating furnace body, the bottom of the smoke exhaust pipeline stretches into the heating cavity from the top of the heating furnace body, a drawing port is formed in the side wall of the heating furnace body, an oil receiving box is mounted on the drawing port and used for receiving tar falling from the bottom opening of the smoke exhaust pipeline, and a heat preservation sealing structure is further arranged at the drawing port. According to the zinc oxide resistor disc glue discharging furnace, tar directly falls into the oil receiving box when flowing downwards along the inner wall of the smoke exhaust pipeline, a worker can open the heat insulation sealing structure at intervals (usually one month), take out the oil receiving box from the drawing port, clean the tar stored in the oil receiving box, reinstall the tar, and further the tar is not easy to fall on the resistor disc in the heating cavity, so that the resistor disc is effectively prevented from being polluted by the tar, and the product quality is improved.

Description

Zinc oxide resistor disc glue discharging furnace

Technical Field

The utility model relates to the technical field of resistor disc production, in particular to a zinc oxide resistor disc glue discharging furnace.

Background

The adhesive discharging process is a key process for producing the zinc oxide nonlinear resistor, and whether the organic matter polyvinyl alcohol added in the formed blank piece is fully volatilized or not directly determines the electrical performance parameters of the resistor. In order to ensure that the organic matter polyvinyl alcohol can be completely volatilized, the molded blank sheet is usually required to be placed in a heat treatment furnace for high-temperature heating so as to realize the purpose of glue discharging.

For example, chinese patent application number 201922210956.5 discloses a zinc oxide resistance card heat treatment furnace, including furnace body, first heating element, second heating element, first air-blower, second air-blower and work or material rest, still include first deep bead, second deep bead, third deep bead, an air intake has been seted up respectively on furnace body top and the lateral wall, be provided with first air-blower on the top air intake, be provided with the second air-blower on the lateral wall air intake, first heating element is located furnace body inside top and corresponds with first air-blower, second heating element is located furnace body inside side and second air-blower correspondence, first deep bead and second deep bead are fixed in the furnace body inside and are located first heating element below both sides, second deep bead and third deep bead are fixed in the furnace body inside and are located second heating element both sides, the work or material rest is located first heating element below and corresponds with second heating element, makes zinc oxide resistance card be heated evenly.

With respect to the related art in the above, the inventors consider that there are the following drawbacks:

similar to the heat treatment furnace with the conventional design, the furnace top is generally connected into a smoke exhaust pipeline, and then organic matters volatilized after being heated are led out of the furnace through a draught fan, but after the heat treatment furnace is used for a period of time, a certain amount of tar is accumulated on the inner wall of the smoke exhaust pipeline, and under the action of gravity, the tar directly flows onto the end face of a glue discharging resistor disc along the pipe wall, so that the quality of products is seriously affected, and the heat treatment furnace is to be improved.

Disclosure of Invention

The utility model provides a zinc oxide resistor disc glue discharging furnace, which aims to improve the following technical problems:

the conventionally designed heat treatment furnace generally adopts a furnace top to be connected into a smoke exhaust pipeline, and then organic matters volatilized after being heated are led out of the furnace through a draught fan, but after a period of use, a certain amount of tar is accumulated on the inner wall of the smoke exhaust pipeline, and under the action of gravity, the tar can directly flow onto the end face of a glue discharging resistor disc along the pipe wall, so that the product quality is seriously affected.

The utility model provides a zinc oxide resistor disc glue discharging furnace, which adopts the following technical scheme:

a zinc oxide resistor disc glue discharging furnace, comprising: heating furnace body and exhaust flue, heating furnace body's inside is provided with heating cavity, exhaust flue's bottom is followed heating furnace body's top stretches into in the heating cavity, be provided with the pull mouth on heating furnace body's the lateral wall, install on the pull mouth and connect the oil box, connect the oil box to be used for accepting follow exhaust flue's bottom opening part tar that drops, pull mouth department still is provided with heat preservation seal structure.

In one possible technical solution of the present utility model, the oil receiving box includes a rectangular box body and handles mounted on opposite sides of the rectangular box body, the handles being placed in the drawing ports.

In one possible technical scheme of the utility model, the oil receiving box is made of stainless steel.

In one possible technical solution of the utility model, the heat-insulating sealing structure comprises at least one refractory brick, the cross section of which is adapted to the cross section of the drawing opening.

In one possible technical scheme of the utility model, at least two clamping holes are formed in the outer side face of the refractory brick.

In one technical scheme of the utility model, the bottoms of the two sides of the drawing opening are provided with step parts, and the bottoms of the two sides of the refractory brick are provided with mounting notches which are in clamping fit with the step parts.

In one technical scheme of the utility model, the heat-insulating sealing structure further comprises a fixed steel plate, wherein the area of the fixed steel plate is larger than the opening area of the drawing opening, and the fixed steel plate is fixed on the outer side wall of the heating furnace body so as to completely shield the drawing opening.

In one technical scheme of the utility model, through holes are formed in the periphery of the fixed steel plate, threaded holes are formed in the peripheral wall of the heating furnace body, the fixed steel plate is detachably assembled on the heating furnace body through at least two bolts, and the bolts penetrate through the through holes and are threadedly assembled in the threaded holes.

In summary, the present utility model includes at least one of the following beneficial technical effects:

when tar flows downwards along the inner wall of the smoke exhaust pipeline, the tar can directly fall into the oil receiving box, the heat preservation sealing structure can be opened by staff at intervals (usually one month), the oil receiving box is taken out from the drawing port, tar stored in the oil receiving box is cleaned, the tar is reinstalled, and then the tar is not easy to fall onto the resistor disc in the heating cavity, so that the resistor disc is effectively prevented from being polluted by the tar, and the product quality is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a zinc oxide resistor disc glue discharging furnace according to an embodiment of the utility model.

Fig. 2 is a schematic structural view of an oil receiving box according to an embodiment of the present utility model.

FIG. 3 is a schematic view of the structure of a refractory brick in an embodiment of the utility model.

Reference numerals illustrate:

1. heating the furnace body; 11. a heating chamber; 12. a drawing port;

2. a smoke exhaust duct;

3. an oil receiving box; 31. a rectangular box body; 32. a handle;

4. a heat preservation sealing structure; 41. refractory bricks; 411. clamping the hole; 412. a mounting notch; 42. fixing the steel plate; 43. and (5) a bolt.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a zinc oxide resistor disc glue discharging furnace. Referring to fig. 1, the zinc oxide resistor disc glue discharging furnace includes: heating furnace body 1 and exhaust flue 2, the inside of heating furnace body 1 is provided with heating cavity 11, and the bottom of exhaust flue 2 stretches into in heating cavity 11 from the top of heating furnace body 1, is provided with pull mouth 12 on the lateral wall of heating furnace body 1, installs on the pull mouth 12 and connects oily box 3, connects oily box 3 to be used for accepting the tar that drops from the bottom opening part of exhaust flue 2, and pull mouth 12 department still is provided with heat preservation seal structure 4.

The zinc oxide resistor disc glue discharging furnace has the following beneficial technical effects:

when the tar flows downwards along the inner wall of the smoke exhaust pipeline 2, the tar can directly fall into the oil receiving box 3, the heat preservation sealing structure 4 can be opened at intervals (usually one month), the oil receiving box 3 is taken out from the drawing port 12, the tar stored in the oil receiving box 3 is cleaned, the tar is reinstalled, and the tar is not easy to fall onto the resistor disc in the heating chamber 11, so that the resistor disc is effectively prevented from being polluted by the tar, and the product quality is improved.

In this embodiment, the heat insulation sealing structure 4 further includes a fixed steel plate 42, the area of the fixed steel plate 42 is larger than the opening area of the drawing port 12, and the fixed steel plate 42 is fixed on the outer side wall of the heating furnace body 1 to completely shield the drawing port 12, the fixed steel plate 42 has a good blocking and limiting effect on the refractory bricks 41, the refractory bricks 41 are effectively prevented from loosening and falling from the drawing port 12 at will, and the fixed steel plate 42 also has a certain heat insulation effect.

Specifically, the fixing steel plate 42 is provided with a through hole on the peripheral side thereof, the outer peripheral wall of the heating furnace body 1 is provided with a screw hole, the fixing steel plate 42 is detachably assembled on the heating furnace body 1 by at least two bolts 43, and the bolts 43 penetrate the through hole and are screw-assembled in the screw hole.

Referring to fig. 1 and 2, the oil receiving box 3 includes a rectangular box body 31 and handles 32 mounted on opposite sides of the rectangular box body 31, wherein the handles 32 are placed in the drawing port 12, and specifically, the oil receiving box 3 is made of stainless steel.

The oil receiving box 3 with the design has the advantages of simple and firm structure, difficult damage, easy cleaning, high temperature resistance, long service life, low manufacturing cost and convenient installation and disassembly.

In this embodiment, the heat insulation sealing structure 4 includes at least one refractory brick 41, the cross section of the refractory brick 41 is adapted to the cross section of the drawing ports 12, and along with the increase of the wall thickness of the heating furnace body 1, the number of refractory bricks 41 in each drawing port 12 can also be adaptively increased or decreased according to the requirement.

Referring to fig. 1 and 3, in order to facilitate the installation and removal of the refractory bricks 41, at least two clamping holes 411 are provided on the outer side surface of the refractory bricks 41.

In order to make the refractory brick 41 more firm and stable in the drawing port 12 and not easy to shake, step parts are arranged at the bottoms of the two sides of the drawing port 12, and mounting notch 412 which is in clamping fit with the step parts is arranged at the bottoms of the two sides of the refractory brick 41.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a zinc oxide resistance card row gum stove which characterized in that includes: heating furnace body (1) and exhaust pipe (2), the inside of heating furnace body (1) is provided with heating cavity (11), the bottom of exhaust pipe (2) is followed the top of heating furnace body (1) stretches into in heating cavity (11), be provided with pull mouth (12) on the lateral wall of heating furnace body (1), install on pull mouth (12) and connect oily box (3), connect oily box (3) to be used for accepting follow the tar that drops in the bottom opening part of exhaust pipe (2), pull mouth (12) department still is provided with heat preservation seal structure (4).

2. Zinc oxide resistor disc glue discharging furnace according to claim 1, characterized in that the oil receiving box (3) comprises a rectangular box body (31) and handles (32) arranged on two opposite sides of the rectangular box body (31), wherein the handles (32) are placed in the drawing port (12).

3. Zinc oxide resistor disc glue discharging furnace according to claim 2, characterized in that the oil receiving box (3) is made of stainless steel.

4. Zinc oxide resistor disc glue discharging furnace according to claim 1, characterized in that the heat-insulating sealing structure (4) comprises at least one refractory brick (41), the cross section of the refractory brick (41) being adapted to the cross section of the drawing opening (12).

5. The zinc oxide resistor disc glue discharging furnace according to claim 4, wherein at least two clamping holes (411) are arranged on the outer side surface of the refractory brick (41).

6. The zinc oxide resistor disc glue discharging furnace according to claim 4, wherein step parts are arranged at the bottoms of two sides of the drawing port (12), and mounting notch (412) which is in clamping fit with the step parts is arranged at the bottoms of two sides of the refractory brick (41).

7. The zinc oxide resistor disc glue discharging furnace according to claim 1, characterized in that the heat preservation sealing structure (4) further comprises a fixed steel plate (42), the area of the fixed steel plate (42) is larger than the opening area of the drawing port (12), and the fixed steel plate (42) is fixed on the outer side wall of the heating furnace body (1) so as to completely shield the drawing port (12).

8. Zinc oxide resistor disc glue discharging furnace according to claim 7, characterized in that the periphery of the fixed steel plate (42) is provided with perforations, the outer peripheral wall of the heating furnace body (1) is provided with threaded holes, the fixed steel plate (42) is detachably assembled on the heating furnace body (1) at least through two bolts (43), and the bolts (43) penetrate through the perforations and are threadedly assembled in the threaded holes.