CN212299945U - Furnace door mechanism and pressure container - Google Patents

Abstract

The embodiment of the utility model provides an oven door mechanism and pressure vessel, relate to the pressure vessel field, this oven door mechanism includes the furnace gate casing, the furnace gate body, furnace gate guide rail and furnace gate drive assembly, the furnace gate opening has been seted up on the furnace gate casing, the furnace gate guide rail sets up on the furnace gate casing of at least one side of furnace gate open-ended, the furnace gate body slides and sets up on the furnace gate guide rail, furnace gate drive assembly and this body coupling of furnace gate, be used for driving the furnace gate body and slide along the furnace gate guide rail, so that the furnace gate opening is opened or closed to the messenger's furnace gate body. Compared with the prior art, the utility model discloses a set up the furnace gate guide rail in furnace gate open-ended at least one side, slide the setting of furnace gate body on the furnace gate guide rail to slide along the furnace gate guide rail through furnace gate drive assembly drive furnace gate body, adopt gliding form, can open fast or close the furnace gate opening.

Description

Furnace door mechanism and pressure container

Technical Field

The utility model relates to a pressure vessel field particularly, relates to a stove door mechanism and pressure vessel.

Background

In the prior art, a cover or an oven door is usually installed on a container, a set of clamping devices is needed to open and close the cover or the oven door, the higher the pressure in the pressure container is, the larger the size structure of the clamping devices is, and when the size structure of the clamping devices is too large, the cover or the oven is very difficult to open quickly.

SUMMERY OF THE UTILITY MODEL

Objects of the present invention include, for example, providing an oven door mechanism and pressure vessel that can quickly open or close an oven door opening.

The embodiment of the utility model discloses a can realize like this:

in a first aspect, an embodiment of the present invention provides an oven door mechanism, including an oven door casing, an oven door body, an oven door guide rail and an oven door driving assembly, an oven door opening has been opened on the oven door casing, the oven door guide rail is disposed on at least one side of the oven door opening on the oven door casing, the oven door body slides and sets up on the oven door guide rail, the oven door driving assembly with this body coupling of oven door is used for driving the oven door body is followed the oven door guide rail slides, so that the oven door body is opened or closed the oven door opening.

In an optional embodiment, the oven door driving assembly includes an oven door driving part, a bearing limit slide rail, a first sliding part and a connecting part, the bearing limit slide rail is parallel to the oven door guide rail, the first sliding part is accommodated in the bearing limit slide rail, the oven door driving part is connected with the first sliding part and used for driving the first sliding part to move along the bearing limit slide rail, one end of the connecting part is connected with the first sliding part or the oven door driving part, and the other end is connected with the oven door body so as to drive the oven door body to slide along the oven door guide rail.

In an alternative embodiment, the connecting member comprises a flexible portion, one end of which is connected to the first slider and the other end of which is connected to the oven door body.

In an alternative embodiment, a second slider is provided on the oven door body, the second slider being slidably disposed on the oven door guide rail.

In an optional implementation manner, the oven door mechanism further includes a compressing assembly, the compressing assembly includes a compressing driving member, a compressing guide block and a compressing member, the compressing guide block is disposed on the oven door housing and provided with a guide hole, one end of the compressing member is connected with the compressing driving member, and the other end of the compressing member passes through the guide hole and is used for abutting against the oven door body in a closed state, so that the oven door body is compressed on the oven door opening.

In an optional embodiment, the pressing guide block is disposed on a side of the furnace door guide rail away from the furnace door opening, a wedge-shaped pressing block is disposed at one end of the pressing piece away from the pressing driving piece, a wedge-shaped pressure bearing block matched with the wedge-shaped pressing block is disposed on the furnace door body, and the wedge-shaped pressing block is used for being pressed on the wedge-shaped pressure bearing block so as to apply a force to the furnace door body in a direction close to the furnace door opening.

In an optional implementation mode, the oven door mechanism further comprises a vacuum adsorption assembly, the vacuum adsorption assembly comprises a vacuum air inlet valve and a vacuum exhaust valve, an air vent penetrating through the oven door shell is formed between the oven door opening and the oven door guide rail, the oven door body is used for plugging the air vent when the oven door opening is closed, the vacuum air inlet valve and the vacuum exhaust valve are selected to be communicated with the air vent, the vacuum air inlet valve is used for ventilating the air vent so as to enable the oven door body and the oven door shell to be separated from each other, and the vacuum exhaust valve is used for pumping out air in the air vent so as to enable the oven door body to be adsorbed and tightly pressed on the oven door shell.

In an alternative embodiment, a sealing ring is annularly arranged around the vent hole, and the sealing ring is used for being abutted against the oven door body so as to form a sealing cavity between the oven door body and the vent hole.

In an alternative embodiment, the oven door housing has opposed inner and outer side walls, the oven door guide being disposed on the inner side walls.

In a second aspect, an embodiment of the present invention provides a pressure vessel, including a cooling device and an oven door mechanism as in any one of the preceding embodiments, wherein the cooling device is disposed in the oven door housing, and the oven door body corresponds to the cooling device when opening the oven door opening.

The utility model discloses beneficial effect includes, for example:

the utility model provides a furnace gate mechanism sets up the furnace gate guide rail through at least one side at furnace gate open-ended, slides the furnace gate body and sets up on the furnace gate guide rail to slide along the furnace gate guide rail through furnace gate drive assembly drive furnace gate body, adopt gliding form, can open fast or close the furnace gate opening.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a furnace door mechanism provided in a first embodiment of the present invention at a first viewing angle;

fig. 2 is a schematic structural view of a furnace door mechanism provided in a first embodiment of the present invention at a second viewing angle;

FIG. 3 is an enlarged partial view of III of FIG. 2;

FIG. 4 is a schematic structural view of the door drive assembly of FIG. 1;

fig. 5 is a schematic view of a partial structure of a furnace door mechanism according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of a cooling device according to a second embodiment of the present invention.

Icon: 100-a furnace door mechanism; 110-oven door housing; 111-oven door opening; 130-oven door body; 131-a second slide; 133-a wedge-shaped bearing block; 150-oven door guide; 170-oven door drive assembly; 171-a furnace door drive; 173-carrying limit slide rails; 175-a first slide; 177-a connector; 180-a hold down assembly; 181-a compression driver; 183-pressing guide block; 185-a pressing member; 187-a wedge shaped briquette; 190-a vacuum adsorption component; 191-a vacuum inlet valve; 193-vacuum exhaust valve; 195-a vent hole; 197-sealing ring; 200-a cooling device; 210-a first fairing mechanism; 230-a second fairing; 250-a first heat exchanger; 251-a first reversing mechanism; 270-a second heat exchanger; 271-a second reversing mechanism; 290-a cooling fan; 291-vertical flow guide chamber; 293-horizontal diversion chamber; 295-heat exchange chamber; 297-axial flow chamber.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As disclosed in the background art, the oven door of the pressure vessel in the prior art is usually opened outside the oven body, and the oven door is opened or closed by a clamping device, and specifically, a sealing cover generally used on the pressure vessel is installed outside the pressure vessel; in brief, if a lid is provided on the inner side of the container, the size of the container becomes large, and if the lid needs to be attached to the pressure container, the pressure container is generally cylindrical in shape, and the lid is opened and closed on the plane of the cylinder, similarly to the structure of a teapot and a tea lid sealing structure. Further, there is a technology of fixing the cover by a jig, the size of which varies with the size of the cover, and for a large-sized cover, the use of the jig is cumbersome, making it difficult to achieve rapid opening and closing of the door.

Meanwhile, the opening mode of the cover is generally a flat-open type, and a relatively large opening and closing space is required, so that the cover cannot be arranged in the container. And as the container volume and opening size increase, opening and closing of the lid is made more difficult.

The utility model provides an adopt movable pulley to carry out mechanism of switching furnace gate sets up inside the container to can open or close the furnace gate fast.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

First embodiment

Referring to fig. 1 and 2 in combination, the present embodiment provides an oven door mechanism 100 that can achieve rapid opening or closing of an oven door, and dispose the oven door inside a container, can achieve compression of the oven door by pressure difference, does not need to consider its structural strength, and also reduces the manufacturing cost of the oven door.

The oven door mechanism 100 provided by this embodiment includes an oven door housing 110, an oven door body 130, an oven door guide rail 150, an oven door driving assembly 170, a pressing assembly 180 and a vacuum adsorption assembly 190, wherein the oven door housing 110 is provided with an oven door opening 111, the oven door guide rail 150 is disposed on the oven door housing 110 on at least one side of the oven door opening 111, the oven door body 130 is slidably disposed on the oven door guide rail 150, and the oven door driving assembly 170 is connected to the oven door body 130 and is configured to drive the oven door body 130 to slide along the oven door guide rail 150, so that the oven door body 130 opens or closes the oven door opening 111. The pressing assembly 180 is disposed on the oven door housing 110 for pressing against the oven door body 130 when the oven door body 130 closes the oven door opening 111, and the vacuum adsorption assembly 190 is disposed on the oven door housing 110 for adsorbing on the oven door body 130 when the oven door body 130 closes the oven door opening 111, thereby improving air tightness between the oven door body 130 and the oven door opening 111.

In the present embodiment, the oven door housing 110 is a pressure vessel housing, wherein the pressure vessel may be an oven body with an internal air pressure higher than an external air pressure in an operating state of a combustion furnace, a forging furnace, a nitriding furnace, or the like, and the oven door opening 111 may be formed at an end portion thereof, or the oven door opening 111 may be formed in a side wall thereof, and the forming position of the oven door opening 111 is not particularly limited herein.

In this embodiment, the upper and lower sides of the oven door opening 111 are provided with oven door guide rails 150, the upper and lower sides of the oven door body 130 are slidably disposed on the oven door guide rails 150, and the translation of the oven door body 130 is realized by the oven door guide rails 150 on the two sides, so as to open or close the oven door opening 111.

It should be noted that, in the present embodiment, the oven door opening 111 is rectangular, the oven door body 130 is also rectangular, and the size of the oven door body 130 is larger than that of the oven door opening 111, so that the oven door body 130 can completely cover the oven door opening 111 when moving to the oven door opening 111, and the closing air tightness of the oven door body 130 is ensured.

In this embodiment, the oven door housing 110 has opposite inner and outer side walls, and the oven door rail 150 is disposed on the inner side wall. By providing the door guide 150 on the inner sidewall, the door body 130 is also disposed inside the pressure vessel casing, and a protruding door structure can be prevented from being disposed outside the pressure receiving casing, thereby reducing the size of the entire pressure vessel.

Referring to fig. 3 to 5 in combination, the oven door driving assembly 170 includes an oven door driving member 171, a bearing limit sliding rail 173, a first sliding member 175 and a connecting member 177, the bearing limit sliding rail 173 is disposed parallel to the oven door guide rail 150, the first sliding member 175 is accommodated in the bearing limit sliding rail 173, the oven door driving member 171 is connected to the first sliding member 175 for driving the first sliding member 175 to move along the bearing limit sliding rail 173, one end of the connecting member 177 is connected to the first sliding member 175 or the oven door driving member 171, and the other end is connected to the oven door body 130 for driving the oven door body 130 to slide along the oven door guide rail 150.

In this embodiment, the first sliding member 175 is a first pulley, and the first pulley is accommodated in the bearing limit sliding rail 173 and moves along the bearing limit sliding rail 173 under the driving of the oven door driving member 171. Wherein bear spacing slide rail 173 and be the rectangle tube-shape to the welding is on the inside wall of furnace gate casing 110, bears the bottom of spacing slide rail 173 and offers the bar hole that supplies connecting piece 177 to stretch out, and connecting piece 177 wears to establish in the bar hole and is connected with the furnace gate body 130 who sets up first pulley and below in bearing spacing slide rail 173 respectively, thereby can realize the transmission of power through connecting piece 177.

It should be noted that in the present embodiment, the oven door driving member 171 is disposed above the oven door opening 111, and the connecting member 177 plays a role of carrying the oven door body 130.

In this embodiment, the connecting member 177 includes a flexible portion having one end connected to the first slider 175 and the other end connected to the door body 130. Specifically, connecting piece 177 is the connecting link, the flexible portion indicates the middle part of connecting link promptly, the upper and lower both ends of connecting link are first pulley of fixed connection and furnace door body 130 respectively, connect through the chain, make furnace door driving piece 171 drive have certain hysteresis quality, avoid furnace door body 130 card dead furnace door driving piece 171 when starting, conveniently start furnace door driving piece 171, simultaneously through setting up flexible chain, make can avoid the mutual connection structure of thermal expansion influence when carrying out thermal treatment in the stove, guarantee the stability of structure.

Of course, other structural members having certain elastic or flexible properties and being able to withstand high temperatures, such as steel bars having certain toughness, may be used herein.

It should be further noted that the first pulley includes two rollers and a shaft portion penetrating between the two rollers, in this embodiment, the connection chain is connected to the first pulley, which means that the connection chain is connected to the shaft portion of the first pulley, and the connection chain does not affect the movement of the first pulley along the bearing limit sliding rail 173.

In the present embodiment, the oven door body 130 is provided with a second slider 131, and the second slider 131 is slidably disposed on the oven door guide rail 150. Specifically, the upper and lower sides of the oven door body 130 are provided with second sliders 131, the second sliders 131 are second pulleys, and the second pulleys are slidably disposed on the oven door guide rail 150 and can slide along the oven door guide rail 150 under an external force.

In this embodiment, the oven door driving member 171 is a driving cylinder, a cylinder body of the cylinder is fixedly disposed on the oven door housing 110 and protrudes outward, and a piston rod of the cylinder extends into the bearing limit sliding rail 173 and is fixedly connected with a shaft portion of the first pulley, so that the first pulley can roll along the bearing limit sliding rail 173 under the driving of the piston rod, and the oven door body 130 is driven to move by the connecting member 177.

The pressing assembly 180 includes a pressing driving member 181, a pressing guide block 183 and a pressing member 185, the pressing guide block 183 is disposed on the oven door housing 110 and has a guide hole, one end of the pressing member 185 is connected to the pressing driving member 181, and the other end of the pressing member passes through the guide hole to abut against the oven door body 130 in a closed state, so that the oven door body 130 is pressed against the oven door opening 111.

In this embodiment, the upper and lower sides of the door opening 111 are provided with the pressing assemblies 180, and the two pressing members 185 respectively abut against the upper and lower sides of the door body 130 in the closed state, so as to improve the pressing effect.

In this embodiment, the pressing guide block 183 is disposed on a side of the oven door guide rail 150 away from the oven door opening 111, the pressing member 185 is provided with a wedge-shaped pressing block 187 at an end away from the pressing driving member 181, the oven door body 130 is provided with a wedge-shaped pressing block 133 matching with the wedge-shaped pressing block 187, and the wedge-shaped pressing block 187 is configured to press against the wedge-shaped pressing block 133 to apply a force to the oven door body 130 in a direction approaching the oven door opening 111.

In this embodiment, the pressing guide block 183 is welded to the inner sidewall of the oven door housing 110, and the pressing driving unit 181 is disposed at the upper and lower sides of the oven door housing 110, so as to drive the pressing unit 185 to move in the up-and-down direction, and then press-fit onto the wedge-shaped pressing block 133 of the oven door body 130.

In this embodiment, the pressing driving member 181 is an air cylinder, the cylinder body of the air cylinder is fixedly disposed on the upper and lower sides of the oven door housing 110, and the piston rod of the air cylinder is fixedly connected to the pressing member 185.

The vacuum adsorption assembly 190 comprises a vacuum air inlet valve 191 and a vacuum air outlet valve 193, an air vent 195 penetrating through the oven door shell 110 is formed between the oven door opening 111 and the oven door guide rail 150, the oven door body 130 is used for being blocked on the air vent 195 when the oven door opening 111 is closed, one of the vacuum air inlet valve 191 and the vacuum air outlet valve 193 is communicated with the air vent 195, the vacuum air inlet valve 191 is used for ventilating the air vent 195 to enable the oven door body 130 and the oven door shell 110 to be separated from each other, and the vacuum air outlet valve 193 is used for extracting air in the air vent 195 to enable the oven door body 130 to be adsorbed and pressed.

In this embodiment, a sealing ring 197 is disposed around the vent hole 195, specifically, the sealing ring 197 is an O-ring 197, and the sealing ring 197 is configured to abut against the oven door body 130, so that a sealed cavity is formed between the oven door body 130 and the vent hole 195. Specifically, the sealing ring 197 is fixedly disposed on an inner side wall of the oven door housing 110 and surrounds the vent hole 195, after the oven door body 130 moves to a position for closing the oven door body 130, the oven door body abuts against the sealing ring 197 under the pressing action of the pressing assembly 180, and at this time, air in the vent hole 195 is pumped out through the vacuum exhaust valve 193, so that the vent hole 195 is in a vacuum negative pressure state, the oven door body 130 is tightly adsorbed around the vent hole 195, the adsorption effect on the oven door body 130 is realized by using pressure difference, and the oven door body 130 can be better fixed.

In order to protect the furnace gas and prevent the entry of foreign gas, the gas introduced into the external pressure equalizing chamber by the vacuum intake valve 191 is a rare gas which does not react with the workpiece in the furnace, such as nitrogen or argon.

It should be noted that in this embodiment, the vacuum exhaust valve 193 is externally connected to a vacuum pump, and the vacuum exhaust valve realizes air exhaust by the vacuum pump, and the vacuum intake valve 191 is externally connected to an intake pipeline, and rare gas such as nitrogen is introduced into the vent hole 195.

In summary, the furnace door mechanism 100 provided in the present embodiment has the following operation principle:

when the oven door needs to be opened, firstly, the two pressing assemblies 180 are loosened, the pressing piece 185 is separated from the oven door body 130 under the driving of the pressing driving piece 181, the limit on the oven door body 130 is released, at the moment, the vacuum air inlet valve 191 acts, nitrogen is introduced into the air vent 195, the nitrogen enters the inner side of the oven door shell 110 through the air vent 195, so that the sealing ring 197 is separated from the oven door body 130, and then the oven door body 130 is transversely moved to an opening position along the oven door guide rail 150 through the oven door driving piece 171, so that the operation of opening the oven door opening 111 by the oven door body.

When the oven door needs to be closed, firstly, the oven door driving member 171 transversely moves the oven door body 130 to a closing position along the oven door guide rail 150, then the vacuum exhaust valve 193 acts, a vacuum pump arranged outside the oven pumps air in the vent holes 195, so that the vent holes 195 are in a vacuum negative pressure state, the oven door body 130 is adsorbed on the sealing ring 197 through pressure difference, the oven door body 130 is compressed, then the two compression assemblies 180 compress, and the compression members 185 are compressed on the upper side and the lower side of the oven door body 130 under the driving of the compression driving member 181, so as to maintain the compression state of the oven door body 130.

In order to ensure that the sealing components inside the oven door body 130 are not damaged when the oven door body 130 moves along the bearing limit sliding rail 173, an oven door guide rail 150 and a second sliding piece 131 are provided for fixing and limiting the oven door body 130 to move in a fixed manner when moving transversely, so that the friction sliding between the oven door body 130 and the oven door shell 110 is changed into rolling, and the second sliding piece 131 can realize the quick opening and closing of the oven door opening 111.

Second embodiment

The present embodiment provides a pressure vessel comprising a cooling device 200 and a furnace door mechanism 100, wherein the basic structure and principle of the furnace door mechanism 100 and the technical effects thereof are the same as those of the first embodiment, and for the sake of brief description, no part of the present embodiment is mentioned, and reference may be made to the corresponding contents of the first embodiment.

The oven door mechanism 100 includes an oven door housing 110, an oven door body 130, an oven door guide rail 150 and an oven door driving assembly 170, wherein the oven door housing 110 is provided with an oven door opening 111, the oven door guide rail 150 is disposed on the oven door housing 110 on at least one side of the oven door opening 111, the oven door body 130 is slidably disposed on the oven door guide rail 150, and the oven door driving assembly 170 is connected to the oven door body 130 and is used for driving the oven door body 130 to slide along the oven door guide rail 150, so that the oven door body 130 opens or closes the oven door opening 111. The cooling device 200 is provided in the oven door housing 110, and the oven door body 130 corresponds to the cooling device 200 when opening the oven door opening 111.

Referring to fig. 6, in the present embodiment, the cooling device 200 is disposed inside the oven door opening and closing structure, and a certain space is required to be occupied when the oven door body 130 opens and closes the oven door opening 111, so that the cooling device 200 is disposed in the space, the cooling device 200 includes a first rectifying mechanism 210, a second rectifying mechanism 230, a first heat exchanger 250, a second heat exchanger 270 and a cooling fan 290, a cooling air duct is disposed in the pressure container, the cooling air duct includes a vertical diversion chamber 291 and horizontal diversion chambers 293 on upper and lower sides, the vertical diversion chamber 291 are communicated with each other, the workpiece is disposed in the vertical diversion chamber 291, the cooling fan 290 is disposed on a sidewall far from the vertical diversion chamber 291, the first rectifying mechanism 210 and the second rectifying mechanism 230 are disposed on upper and lower sides of the vertical diversion chamber 291 respectively, and ends of the two horizontal diversion chambers 293 far from the vertical diversion chamber 291 are disposed with the first heat exchanger 250 and the second heat exchanger 270, and a first reversing mechanism 251 is arranged between the upper horizontal diversion chamber 293 and the first heat exchanger 250, the first reversing mechanism 251 can open or close the communication between the first heat exchanger 250 and the horizontal diversion chamber 293 and give out air through another opening, a second reversing mechanism 271 is arranged between the lower horizontal diversion chamber 293 and the second heat exchanger 270, and the second reversing mechanism 271 can open or close the communication between the second heat exchanger and the horizontal diversion chamber 293 and give out air through another opening.

In the present embodiment, the cooling fan 290 is in communication with two horizontal guide chambers 293, specifically, the cooling fan 290 is a cross flow fan, an air inlet of the cooling fan 290 is in communication with one of the horizontal guide chambers 293, and an air outlet thereof is in communication with the other horizontal guide chamber 293. Each horizontal diversion chamber 293 is provided with two openings, the first reversing mechanism 251 and the second reversing mechanism 271 are respectively arranged at the two openings of the upper horizontal diversion chamber 293 and the lower horizontal diversion chamber 293, one of the two openings is selectively opened, the first heat exchanger 250 or the second heat exchanger 270 is arranged at one of the two openings, and the air flow is reversed by utilizing the first heat exchange mechanism and the second heat exchange mechanism.

Specifically, the cooling air duct further includes a heat exchange chamber 295 and an axial flow chamber 297, the heat exchange chamber 295 is communicated with an air inlet of the cooling fan 290, the axial flow chamber 297 is communicated with an air outlet of the cooling fan 290, the heat exchange chamber 295 is communicated with one opening of the horizontal flow guiding chamber 293, the axial flow chamber 297 is communicated with the other opening of the horizontal flow guiding chamber 293, the first reversing mechanism 251 or the second reversing mechanism 271 can close one opening and open the other opening, and the first heat exchanger 250 and the second heat exchanger 270 are both disposed in the heat exchange chamber 295 and are disposed near the openings of the two horizontal flow guiding chambers 293.

The gas flow direction is explained in detail below:

when cooling from bottom to top is required, the first reversing mechanism 251 opens one of the openings, the heat exchange chamber 295 is communicated with the upper horizontal guide chamber 293, the axial flow chamber 297 is isolated from the upper horizontal guide chamber 293, one of the openings is opened by the second reversing mechanism 271, the heat exchange cavity 295 is isolated from the lower horizontal diversion chamber 293, the axial flow cavity 297 is communicated with the lower horizontal diversion chamber 293, the air blown out by the cooling fan 290 flows into the lower horizontal diversion chamber 293 from the axial flow cavity 297 along the direction shown in the figure, passes through the second rectification mechanism 230 and then enters the vertical diversion chamber 291, the workpiece is cooled, and then enters the upper horizontal diversion chamber 293 through the first rectification mechanism 210, and finally enters the first heat exchanger 250 through the opening to be cooled and then returns to the cooling fan 290, so that the circulating cooling function is realized, and at this time, the second heat exchanger 270 is in a shutdown state.

When cooling from the top down is required, the first reversing mechanism 251 opens one of the openings, the heat exchange chamber 295 is isolated from the upper horizontal guide chamber 293, the axial flow chamber 297 is communicated with the upper horizontal guide chamber 293, one of the openings is opened by the second reversing mechanism 271, the heat exchange cavity 295 is communicated with the lower horizontal diversion chamber 293, the axial flow cavity 297 is isolated from the lower horizontal diversion chamber 293, the air blown out by the cooling fan 290 is opposite to the direction shown in the figure, flows into the upper horizontal diversion chamber 293 from the axial flow cavity 297, passes through the first rectification mechanism 210 and then enters the vertical diversion chamber 291, the workpiece is cooled, and then enters the lower horizontal diversion chamber 293 through the second rectification mechanism 230, and finally enters the second heat exchanger 270 through the opening to be cooled and then returns to the cooling fan 290, so that the circulating cooling function is realized, and at this time, the first heat exchanger 250 is in a shutdown state.

The pressure container provided by the embodiment can change the gas flow direction according to actual requirements, and realizes the universality of cooling of products.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides an oven door mechanism, its characterized in that, includes furnace gate casing, furnace gate body, furnace gate guide rail and furnace gate drive assembly, the furnace gate opening has been seted up on the furnace gate casing, the furnace gate guide rail sets up at least one side of furnace gate open-ended on the furnace gate casing, the furnace gate body slides and sets up on the furnace gate guide rail, furnace gate drive assembly with this body coupling of furnace gate is used for the drive the furnace gate body is followed the furnace gate guide rail slides, so that the furnace gate body is opened or is closed the furnace gate opening.

2. The oven door mechanism according to claim 1, wherein the oven door driving assembly comprises an oven door driving member, a bearing limit slide rail, a first sliding member and a connecting member, the bearing limit slide rail is parallel to the oven door guide rail, the first sliding member is accommodated in the bearing limit slide rail, the oven door driving member is connected with the first sliding member for driving the first sliding member to move along the bearing limit slide rail, one end of the connecting member is connected with the first sliding member or the oven door driving member, and the other end of the connecting member is connected with the oven door body for driving the oven door body to slide along the oven door guide rail.

3. The oven door mechanism according to claim 2, wherein the connecting member comprises a flexible portion having one end connected to the first slider and the other end connected to the oven door body.

4. The oven door mechanism according to claim 2, wherein a second slider is provided on the oven door body, the second slider being slidably disposed on the oven door guide rail.

5. The oven door mechanism according to claim 1, further comprising a pressing assembly, wherein the pressing assembly comprises a pressing driving member, a pressing guide block and a pressing member, the pressing guide block is disposed on the oven door housing and provided with a guide hole, one end of the pressing member is connected with the pressing driving member, and the other end of the pressing member passes through the guide hole and is used for abutting against the oven door body in a closed state, so that the oven door body is pressed against the oven door opening.

6. The oven door mechanism according to claim 5, wherein the pressing guide block is disposed on a side of the oven door guide rail away from the oven door opening, a wedge-shaped pressing block is disposed on an end of the pressing member away from the pressing driving member, a wedge-shaped bearing block matched with the wedge-shaped pressing block is disposed on the oven door body, and the wedge-shaped pressing block is configured to press against the wedge-shaped bearing block to apply a force to the oven door body in a direction close to the oven door opening.

7. The oven door mechanism according to claim 1, further comprising a vacuum suction assembly, wherein the vacuum suction assembly comprises a vacuum intake valve and a vacuum exhaust valve, an air vent penetrating through the oven door housing is formed between the oven door opening and the oven door guide rail, the oven door body is used for being blocked on the air vent when the oven door opening is closed, the vacuum intake valve and the vacuum exhaust valve are alternatively communicated with the air vent, the vacuum intake valve is used for ventilating the air vent to separate the oven door body and the oven door housing from each other, and the vacuum exhaust valve is used for pumping out air in the air vent to enable the oven door body to be sucked and pressed on the oven door housing.

8. The oven door mechanism according to claim 7, wherein a sealing ring is arranged around the vent hole and is used for abutting against the oven door body so as to form a sealed cavity between the oven door body and the vent hole.

9. The oven door mechanism according to claim 1, wherein said oven door housing has opposed inner and outer side walls, said oven door guide being disposed on said inner side walls.

10. A pressure vessel, comprising a cooling device and an oven door mechanism according to any of claims 1-9, said cooling device being arranged in said oven door housing, said oven door body corresponding to said cooling device when opening said oven door opening.

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