CN109177335B

CN109177335B - Insulating paperboard pressing equipment

Info

Publication number: CN109177335B
Application number: CN201811338417.3A
Authority: CN
Inventors: 张四龙; 王强
Original assignee: Jiangxi Xin Erli Electric Technology Co ltd
Current assignee: Jiangxi Xin Erli Electric Technology Co ltd
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2021-04-02
Anticipated expiration: 2038-11-12
Also published as: CN109177335A

Abstract

The insulating paperboard pressing equipment belongs to the technical field of transformer production, and comprises an upper cover, a workbench, an insulation box and a pressurizing bag, and is characterized in that the upper cover comprises a housing, the housing is a shell with five closed bottom openings, the pressurizing bag is installed at the bottom of the upper cover and moves up and down along with the upper cover, the pressurizing bag is made of a rubber bag material and comprises a rubber bag, a pressurizing port and a circulating port, the rubber bag is the main structure of the pressurizing bag, the pressurizing port and the circulating port are formed in the rubber bag, the insulation box is installed below the workbench and clings to the back of the workbench, the insulation box comprises a box body, an inlet and an outlet, and high-temperature fluid is injected into the box body.

Description

Insulating paperboard pressing equipment

Technical Field

The invention relates to the technical field of transformer production, in particular to insulating paperboard pressing equipment.

Background

The insulating paper board has important application in transformer products, the pressing of the insulating paper board can be completed only by keeping the pressure for a certain time at a temperature of more than 120 ℃ and under a certain pressure, and the process is usually completed by using a hot press. The traditional hot press has the problems of uneven pressure, difficult heat preservation and pressure maintaining and the like.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide an insulating board pressing apparatus to solve the above-mentioned drawbacks of the background art.

The technical problem solved by the invention is realized by adopting the following technical scheme:

the insulating paperboard pressing equipment is characterized in that the upper cover comprises a housing, the housing is a shell with five surfaces and an opening at the bottom, the pressurizing bag is mounted at the bottom of the upper cover and moves up and down along with the upper cover, the pressurizing bag is made of a rubber bag, the pressurizing bag comprises a rubber bag, a pressurizing opening and a circulating opening, the rubber bag is a main structure of the pressurizing bag, the pressurizing opening and the circulating opening are formed in the rubber bag, the insulating box is mounted below the workbench and clings to the back surface of the workbench, the insulating box comprises a box body, an inlet and an outlet, and high-temperature fluid is injected into the box body.

Furthermore, the upper cover also comprises a waist-shaped hole, and the pressurizing opening and the circulating opening penetrate through the waist-shaped hole to expose the upper cover.

Furthermore, the top of the box body is of an opening structure, and a sealing measure is adopted between the heat preservation box and the workbench.

Furthermore, a pair of lugs are respectively arranged on two sides of the box body, and the heat preservation box is installed on the side wall of the workbench through the lugs.

Furthermore, two pairs of hanging lugs are symmetrically arranged at the top of the housing, a hanging beam is arranged between the two pairs of hanging lugs, and the hanging beam is upwards connected with the mechanical arm.

Furthermore, the media filled in the insulation box and the pressurizing bag can be steam or oil.

Furthermore, heat preservation cotton is pasted on the periphery of the heat preservation box, the four stand columns of the workbench are also pasted with the heat preservation cotton, and the periphery of the upper cover is also pasted with the heat preservation cotton.

The invention has the beneficial effects that:

the invention is used for pressing the insulating paper board of the transformer, the pressure is uniform, and the heating devices are arranged on the upper surface and the lower surface of the workbench, so that the upper surface and the lower surface of the insulating paper board have proper temperature in the pressing process.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic diagram of the present invention.

Fig. 4 is a schematic view of the incubator of the present invention.

In the figure: 10. the device comprises an upper cover, 11 parts of a housing, 12 parts of a hanging lug, 13 parts of a kidney-shaped hole, 14 parts of a hanging beam, 20 parts of a workbench, 30 parts of a heat preservation box, 31 parts of a box body, 32 parts of a lug, 33 parts of an inlet, 34 parts of an outlet, 40 parts of a pressurizing bag, 41 parts of a rubber bag, 42 parts of a pressurizing port and 43 parts of a circulating port.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention 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.

Referring to fig. 1 to 4, the insulating paperboard pressing apparatus includes an upper cover 10, a table 20, an insulation box 30, and a pressurizing bag 40, wherein the pressurizing bag 40 is installed at the bottom of the upper cover 10, the insulation box 30 is installed below the table 20, the insulating paperboard after being coated with glue is stacked on the table 20, the upper cover 10 is covered on the table 20, high-pressure and high-temperature fluid is injected into the pressurizing bag 40 for pressure maintaining, and the high-temperature fluid is added into the insulation box 30, so that the insulating paperboard is pressed and molded at an appropriate temperature and pressure.

The upper cover 10 comprises a housing 11, hanging lugs 12, waist-shaped holes 13 and hanging beams 14, the housing 11 is a five-surface closed bottom-opening shell, two pairs of hanging lugs 12 are symmetrically arranged at the top of the housing 11, the hanging beams 14 are arranged between the two pairs of hanging lugs 12, the hanging beams 14 are upwards connected with mechanical arms, the mechanical arms realize the up-and-down movement of the upper cover 10, the upper cover 10 is separated from the workbench 20 through the up-and-down movement, at the moment, the operation can be carried out on the workbench 20, the upper cover 10 covers the workbench 20 through the down-and-down movement, and the pressing work of the insulating paperboard is realized.

The heat insulation box 30 is installed below the workbench 20 and clings to the back of the workbench 20, high temperature fluid is introduced into the heat insulation box 30 to enable the workbench 20 to reach the proper temperature for pressing the insulation paper board, the high temperature fluid can be high temperature steam or high temperature oil and other media, and necessary sealing measures should be taken between the heat insulation box 30 and the workbench 20. The incubator 30 includes a tank 31, a tab 32, an inlet 33 and an outlet 34, and the top of the tank 31 is open in order to better transmit the temperature of the high-temperature fluid in the incubator 30 to the worktable 20. The case 31 has a pair of tabs 32 on both sides thereof, and the incubator 30 is mounted on the side wall of the table 20 via the tabs 32. The side wall of the incubator 30 has an inlet 33 and an outlet 34, the inlet 33 and the outlet 34 are used for the inflow and outflow of the high temperature fluid, respectively, and of course, the inlet 33 and the outlet 34 can be exchanged, which is determined according to the actual situation.

The pressing bag 40 is mounted on the bottom of the upper cover 10 and moves up and down along with the upper cover 10, the pressing bag 40 is made of rubber bag material, the shape of the pressing bag 40 is consistent with the shape of the inside of the upper cover 10, when the upper cover 10 is covered on the workbench 20 to press the pressing bag 40, the workbench 20 is pressed by the pressing bag 40, and the pressing effect of the pressing bag 40 is very uniform due to the material of the rubber bag and the form of using high-pressure fluid.

The pressurizing bag 40 comprises a rubber bag 41, a pressurizing port 42 and a circulating port 43, the rubber bag 41 is the main structure of the pressurizing bag 40, the rubber bag 41 is provided with the pressurizing port 42 and the circulating port 43, the pressurizing port 42 and the circulating port 43 penetrate through the waist-shaped hole 13 to expose the upper cover 10, the pressurizing port 42 is used for injecting high-temperature and high-pressure fluid into the rubber bag 41, and the circulating port 43 is an outlet of the high-temperature and high-pressure fluid and flows to a circulating pump to ensure that the medium in the rubber bag 41 keeps high temperature.

Considering that the pressure required for pressing the insulating paperboard is 0.6MPa, the high-temperature and high-pressure fluid in the rubber bag 41 can select high-temperature steam and oil as a medium, the oil can more easily maintain the pressure, and the pressure is more uniform.

In order to prevent heat loss of the heat insulation box 30 or scalding of operators, heat insulation cotton is pasted on the periphery of the heat insulation box 30, the four upright posts of the workbench 20 are also pasted with the heat insulation cotton, and the periphery of the upper cover 10 is also pasted with the heat insulation cotton.

The above examples mainly illustrate the insulating board pressing apparatus of the present invention. While only a limited number of embodiments and features have been described, those skilled in the art will recognize that the invention can be embodied in many other forms without departing from the spirit or scope thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and various modifications and alternative arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. The insulating paperboard pressing equipment comprises an upper cover (10), a workbench (20), an insulation box (30) and a pressurizing bag (40), and is characterized in that the upper cover (10) comprises a housing (11), the housing (11) is a shell with five closed bottom openings, the pressurizing bag (40) is installed at the bottom of the upper cover (10) and moves up and down along with the upper cover (10), the pressurizing bag (40) is made of a rubber bag material, the pressurizing bag (40) comprises a rubber bag (41), a pressurizing port (42) and a circulating port (43), the rubber bag (41) is the main structure of the pressurizing bag (40), the pressurizing port (42) and the circulating port (43) are formed in the rubber bag (41), the insulation box (30) is installed below the workbench (20) and tightly attached to the back of the workbench (20), and the insulation box (30) comprises a box body (31), an inlet (33) and an outlet (34), high-temperature fluid is injected into the box body (31), a pair of lugs (32) are arranged on two sides of the box body (31) respectively, the heat preservation box (30) is installed on the side wall of the workbench (20) through the lugs (32), two pairs of hanging lugs (12) are symmetrically arranged at the top of the housing (11), a hanging beam (14) is installed between the two pairs of hanging lugs (12), and the hanging beam (14) is upwards connected with the mechanical arm.

2. The insulating paperboard pressing apparatus as set forth in claim 1, wherein said upper cover (10) further comprises a waist-shaped hole (13), and said pressurizing port (42) and circulating port (43) are exposed out of said upper cover (10) through said waist-shaped hole (13).

3. The insulating board pressing apparatus according to claim 1, wherein the top of the box body (31) is open, and sealing means is provided between the heat-insulating box (30) and the table (20).

4. The insulating paperboard pressing apparatus as set forth in claim 1, wherein the medium filled in said insulation can (30) and said pressurizing bag (40) is steam or oil.

5. The insulating paperboard pressing apparatus as set forth in claim 1, wherein insulation cotton is adhered to the periphery of the insulation box (30), insulation cotton is also adhered to the four columns of the table (20), and insulation cotton is also adhered to the periphery of the upper cover (10).