CN212778654U

CN212778654U - Vacuum furnace door structure easy to open

Info

Publication number: CN212778654U
Application number: CN202020582297.8U
Authority: CN
Inventors: 关占龙
Original assignee: TAICANG HAURUI VACUUM FURNACE INDUSTRY CO LTD
Current assignee: TAICANG HAURUI VACUUM FURNACE INDUSTRY CO LTD
Priority date: 2020-04-19
Filing date: 2020-04-19
Publication date: 2021-03-23
Anticipated expiration: 2030-04-19

Abstract

The utility model discloses an easily-opened vacuum furnace door structure, which comprises a vacuum furnace, wherein the vacuum furnace comprises a furnace main body, the middle part of the front surface of the furnace main body is provided with an opening, both sides of the opening are provided with a widening part, the widening part is provided with a furnace door main body in a sliding way, the furnace door main body comprises a concave frame consisting of an outer transverse plate, a vertical plate and an inner transverse plate, the outer surface of the vertical plate is fixed with a vertical metal sealing plate, the inside of the widening part is provided with a hydraulic cylinder for driving the furnace door main body, the utility model controls the hydraulic cylinder to stretch out and draw back to carry out the left and right movement of the furnace door main body so as to achieve the opening or closing of the furnace door main body, so that the opening and closing of the furnace door are convenient, the outer transverse plate, the vertical plate and the inner transverse plate form a concave cavity, the hydraulic cylinder comprises a cylinder body, so as to ensure the sealing performance of the furnace door and prevent the outside air from entering the vacuum furnace.

Description

Vacuum furnace door structure easy to open

Technical Field

The utility model relates to a vacuum furnace technical field specifically is a vacuum furnace gate structure who easily opens.

Background

The vacuum furnace is characterized in that a vacuum system (formed by elaborately assembling elements such as a vacuum pump, a vacuum measuring device, a vacuum valve and the like) is utilized to discharge partial substances in the furnace chamber in a specific space of the furnace chamber, so that the pressure in the furnace chamber is smaller than a standard atmospheric pressure, and the space in the furnace chamber realizes a vacuum state, namely the vacuum furnace;

the furnace door is an important component on the vacuum furnace, and mainly plays a role of sealing one by one, so that air is prevented from entering the interior of the furnace body when a workpiece is subjected to heat treatment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easily opened vacuum furnace gate structure to generally for upwards hoisting when solving current vacuum furnace gate and opening, it is convenient inadequately, and the relatively poor outside air of leakproofness can get into the normal thermal treatment of the inside influence work piece of furnace body through the contact surface of sealing door and furnace body, leads to the problem that workpiece quality is improper.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an easily opened vacuum furnace gate structure, includes the vacuum furnace, the vacuum furnace includes the stove main part, the opening has been seted up at the front surface middle part of stove main part, the open-ended both sides all are provided with wide portion, it is provided with the furnace gate main part to slide on the wide portion, the furnace gate main part includes the concave frame of compriseing outer diaphragm, riser and interior diaphragm, the external fixation of riser has perpendicular metal closing plate, wide portion's inside is provided with the pneumatic cylinder that is used for driving the furnace gate main part.

Preferably, outer diaphragm, riser and interior diaphragm form the cavity, the pneumatic cylinder includes the cylinder body, and the inside at the widened portion is installed to the cylinder body.

Preferably, a piston rod is inserted into one end of the cylinder body, which is close to the oven door main body, and one end of the piston rod, which is far away from the cylinder body, is inserted into the cavity and then fixed with the inner surface of the vertical plate.

Preferably, the inner surfaces of the outer transverse plate and the inner transverse plate are both fixed with transverse metal sealing plates, and two sides of the widened portion are provided with guide grooves corresponding to the transverse metal sealing plates.

Preferably, the lateral metal sealing plate is inserted into the inside of the guide groove.

Preferably, the part of the hydraulic cylinder located inside the widened portion is externally provided with a heat insulation sleeve, and the heat insulation sleeve is provided as a polyurethane sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model controls the hydraulic cylinder to stretch and retract to move the furnace door main body left and right, so as to open or close the furnace door main body, and the furnace door is convenient to open and close;

2. the utility model discloses an outside and the inboard of furnace gate main part have all set up the metal closing plate to guarantee the leakproofness of this furnace gate, in order to avoid the inside that outside air got into the vacuum furnace.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the opening of the main body of the oven door of the present invention;

FIG. 2 is a schematic view of the furnace door main body of the present invention;

fig. 3 is a schematic view of the connection between the furnace door main body and the hydraulic cylinder.

In the figure: 1. a vacuum furnace; 11. a furnace main body; 12. a widening section; 13. an opening; 2. A hydraulic cylinder; 21. a cylinder body; 22. a piston rod; 3. a heat insulating sleeve; 4. a door main body; 41. An outer transverse plate; 42. a vertical plate; 43. an inner transverse plate; 44. a concave cavity; 45. erecting a metal sealing plate; 46. a transverse metal seal plate; 5. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, in an embodiment of the present invention, an easily openable vacuum furnace door structure includes a vacuum furnace 1, the vacuum furnace 1 includes a furnace main body 11, the furnace main body 11 serves as a vacuum heating place, an opening 13 is formed in a middle portion of a front surface of the furnace main body 11, the opening 13 serves as an installation position of the furnace door main body 4, both sides of the opening 13 are provided with widened portions 12, the furnace door main body 4 is slidably disposed on the widened portions 12, and the widened portions 12 are used for installing the furnace door main body 4 and serve as an attachment of the furnace door main body 4;

referring to fig. 1 and 3, the oven door main body 4 includes a concave frame composed of an outer transverse plate 41, a vertical plate 42 and an inner transverse plate 43, the concave frame is an oven door and can be opened and closed, vertical metal sealing plates 45 are fixed on the outer surfaces of the vertical plates 42, the two adjacent sides of the two oven door main bodies 4 are both vertical metal sealing plates 45, and when the two adjacent sides are adjacent to each other, the two vertical metal sealing plates 45 can seal the two adjacent sides to prevent external air from entering;

referring to fig. 3, transverse metal sealing plates 46 are fixed to inner surfaces of an outer transverse plate 41 and an inner transverse plate 43 of a vertical metal sealing plate 45, guide grooves 5 are formed in positions, corresponding to the transverse metal sealing plates 46, of two sides of a widened portion 12, the transverse metal sealing plates 46 are inserted into the guide grooves 5, when the oven door main body 4 moves left and right on the widened portion 12, the oven door main body 4 can be opened or closed, the transverse metal sealing plates 46 can enable the oven door main body 4 to move left and right in the guide grooves 5 to be guided, and the transverse metal sealing plates 46 can play a sealing role to prevent outside air from entering the inside of the vacuum oven 1;

referring to fig. 1 and 3, a hydraulic cylinder 2 for driving the oven door main body 4 is disposed inside the widened portion 12, a heat insulation sleeve 3 is disposed outside a portion of the hydraulic cylinder 2 located inside the widened portion 12, the heat insulation sleeve 3 is a polyurethane sleeve, the polyurethane sleeve can insulate heat, so as to prevent high temperature inside the vacuum oven 1 from affecting the working condition of the hydraulic cylinder 2, the outer horizontal plate 41, the vertical plate 42 and the inner horizontal plate 43 form a cavity 44, the hydraulic cylinder 2 includes a cylinder body 21, the cylinder body 21 is mounted inside the widened portion 12, a piston rod 22 is inserted into one end of the cylinder body 21 close to the oven door main body 4, one end of the piston rod 22, which is far away from the cylinder body 21, is inserted into the cavity 44 and then fixed to the inner surface of the vertical plate 42, and the cylinder body 21 can.

The utility model discloses a theory of operation and use flow: when the oven door main body 4 needs to be opened, the piston rod 22 is pulled through the driving cylinder body 21, and then the vertical plate 42 can be pulled by the piston rod 22, at the moment, the two oven door main bodies 4 are far away from each other, and the transverse metal sealing plate 46 can lead the oven door main body 4 to move left and right in the guide groove 5 so as to prevent external air from entering the inside of the vacuum oven 1, and then the oven door main body 4 is opened;

when the oven door main body 4 needs to be closed, the overdrive cylinder 21 pushes the piston rod 22, and then the piston rod 22 can push the vertical plate 42, at this time, the two oven door main bodies 4 are close to each other, the transverse metal sealing plate 46 can enable the oven door main body 4 to move left and right in the guide groove 5 to be guided, and the transverse metal sealing plate 46 can play a sealing role to prevent external air from entering the inside of the vacuum oven 1, then the oven door main body 4 is closed, and after the oven door main body 4 is closed, the two vertical metal sealing plates 45 are in contact with each other to ensure that the contact positions of the two vertical metal sealing plates are.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an easily open vacuum furnace gate structure, includes vacuum furnace (1), its characterized in that: vacuum furnace (1) is including stove main part (11), opening (13) have been seted up at the front surface middle part of stove main part (11), the both sides of opening (13) all are provided with wide portion (12), it is provided with furnace gate main part (4) to slide on wide portion (12), furnace gate main part (4) are including the concave frame of compriseing outer diaphragm (41), riser (42) and interior diaphragm (43), the external surface of riser (42) is fixed with vertical metal closing plate (45), the inside of wide portion (12) is provided with pneumatic cylinder (2) that are used for driving furnace gate main part (4).

2. An easy-to-open door structure of a vacuum furnace according to claim 1, wherein: the outer transverse plate (41), the vertical plate (42) and the inner transverse plate (43) form a concave cavity (44), the hydraulic cylinder (2) comprises a cylinder body (21), and the cylinder body (21) is installed inside the widened portion (12).

3. An easy-to-open door structure of a vacuum furnace according to claim 2, wherein: a piston rod (22) is inserted into one end, close to the oven door main body (4), of the cylinder body (21), and one end, far away from the cylinder body (21), of the piston rod (22) is inserted into the concave cavity (44) and then fixed with the inner surface of the vertical plate (42).

4. An easy-to-open door structure of a vacuum furnace according to claim 1, wherein: and transverse metal sealing plates (46) are fixed on the inner surfaces of the outer transverse plate (41) and the inner transverse plate (43), and guide grooves (5) are formed in the positions, corresponding to the transverse metal sealing plates (46), of the two sides of the widened part (12).

5. An easily openable vacuum furnace door structure according to claim 4, wherein: the transverse metal sealing plate (46) is inserted into the interior of the guide groove (5).

6. An easy-to-open door structure of a vacuum furnace according to claim 1, wherein: the part of the hydraulic cylinder (2) inside the widened part (12) is externally provided with a heat insulation sleeve (3), and the heat insulation sleeve (3) is a polyurethane sleeve.