CN116576677A - A heat treatment furnace door that is convenient to open and close - Google Patents

Abstract

The invention provides a heat treatment furnace door that is convenient to open and close, which belongs to the technical field of heat treatment furnaces, and includes a heat treatment furnace body, the mouth of the heat treatment furnace body is provided with a furnace door body, and an air release valve is installed on the furnace door body , the heat treatment furnace body and the furnace door body are locked by a locking piece, the locking piece is used for quick assembly and disassembly of the furnace door body, and a sealing device is installed between the heat treatment furnace body and the furnace door body And the seal leak detector for the leak detection after the furnace door body is installed. The present invention solves the problem that the furnace door of the existing heat treatment furnace generally adopts clamps to fix the furnace door at the mouth of the heat treatment furnace. It is inconvenient, and at the same time, it is impossible to carry out leak detection at the furnace door, and then it is impossible to deal with the leakage of the furnace door in time, resulting in the problem that the heat treatment furnace cannot work normally.

Description

A heat treatment furnace door that is convenient to open and close

technical field

The invention belongs to the technical field of heat treatment furnaces, and in particular relates to a heat treatment furnace door which is convenient to open and close.

Background technique

Heat treatment furnace refers to the electric furnace or fuel furnace used for heat treatment and heating of charge. Heat treatment is an important means to improve the mechanical properties of the workpiece. Good heat treatment can improve the strength, toughness and other mechanical properties of the workpiece to meet the allowable requirements.

The furnace door of the existing heat treatment furnace generally adopts clamps to fix the furnace door on the mouth of the heat treatment furnace. The leak detection at the furnace door cannot be carried out, and the gas leakage of the furnace door cannot be dealt with in time, resulting in the failure of the heat treatment furnace to work normally.

Contents of the invention

The present invention provides a heat treatment furnace door which is convenient to open and close. The two ends of the clamp need to be tightened with bolts, which leads to inconvenient opening and closing. At the same time, it is impossible to detect the leak at the furnace door, and then it is impossible to deal with the leakage of the furnace door in time, resulting in the problem that the heat treatment furnace cannot work normally.

An embodiment of the present invention provides a heat treatment furnace door that is convenient to open and close, including a heat treatment furnace body, the mouth of the heat treatment furnace body is provided with a furnace door body, and an air release valve is installed on the furnace door body. The heat treatment furnace body and the furnace door body are locked by a locking piece, the locking piece is used for quick assembly and disassembly of the furnace door body, and a sealing device is installed between the heat treatment furnace body and the furnace door body to seal and align the furnace. A leak detection device for leak detection of the door body after installation.

Further, a pair of handles are symmetrically fixed to the sides of the furnace door body.

By adopting the above technical solution, it is convenient to hold the furnace door body by hand, so as to assemble and disassemble the furnace door body.

Further, the locking member includes a plurality of dismantling columns movably installed on the edge of the furnace door body and a plurality of insertion slots reserved at the mouth of the heat treatment furnace body, the insertion slots are inserted into the insertion columns, One end of the dismantling column is fixedly connected to the movable ring, and the outer peripheral surface of the dismantling column close to one end of the movable ring is covered with a helical beryllium copper wire, and the two ends of the helical beryllium copper wire are respectively connected to the movable The ring is fixedly connected with the furnace door body, and a movable opening is reserved in the plug-in column, and a pair of movable pieces are movably installed in the movable opening, and a plurality of spiral beryllium copper wires are passed between the pair of movable pieces. Connected, a slope is reserved at one end of the movable piece, the other end of the dismantling column is in the movable opening and a concave mouth is reserved, and the side wall of the concave mouth is against the sharp part of the slope on the pair of movable pieces , the other side of the movable piece is fixedly connected to the limit column, and a pair of limit openings set in mirror image are reserved on the side wall of the insertion slot, and the other end of the limit column is embedded into the limit in the mouth.

By adopting the above technical scheme, during assembly, the movable ring is pushed, so that the dismantling column moves toward the movable mouth, and a pair of movable pieces are pushed to move face to face. At this time, the first spiral beryllium copper wire and the second spiral beryllium copper wire shrink, Then let the limit post receive into the plug-in post, insert the plug-in post into the slot, loosen the movable ring, under the cooperation of the deformation force of the helical beryllium copper wire 1 and the helical beryllium copper wire 2 , so that the disassembly column and the movable piece are reset, and then the limit column is engaged in the limit opening, so as to achieve the purpose of quickly locking the furnace door body. When the furnace door body needs to be disassembled, push the movable ring, Make the dismantling column move toward the movable mouth, and push a pair of movable pieces to move face to face. At this time, the helical beryllium copper wire 1 and the helical beryllium copper wire 2 both shrink, and then the limiting column is received in the insertion column, and finally the The plug-in column can be pulled out of the plug-in slot to facilitate the opening of the furnace door body.

Further, slide blocks are fixedly attached to the two side walls of the movable piece, slideways are reserved on the two side walls of the movable opening, and the slide blocks are slidably arranged in the slideways.

By adopting the above technical scheme, it is ensured that the movable piece slides smoothly in the movable opening, and the movable piece is prevented from being stuck in the movable opening.

Further, the sealing leak detection part includes a sealing groove 1 reserved on the inner edge of the mouth of the heat treatment furnace body, a sealing groove 2 reserved on the outer edge of the mouth of the heat treatment furnace body, and a sealing groove fixed on the wall of the furnace door body. The first ring and the second sealing ring, the first sealing groove and the first sealing ring, and the second sealing groove and the second sealing ring are engaged and installed correspondingly.

By adopting the above technical scheme, the double sealing of the furnace door body after installation is realized through the first sealing groove and the first sealing ring, as well as the second sealing groove and the second sealing ring.

Further, the sealed leak detector also includes two liquid seal grooves reserved at the mouth of the heat treatment furnace body, one of the liquid seal grooves is located outside the seal groove one, and the other liquid seal groove is located outside the seal groove one. the outer side of the sealing groove two;

The sealed leak detector also includes a pair of threaded grooves reserved on the outer surface of the mouth of the heat treatment furnace body, the lower ends of the pair of threaded grooves are connected to the conduction openings, and the pair of said conduction openings are connected to the two openings respectively. The two liquid seal grooves are connected through corresponding passages, and a plurality of top columns are fixedly connected to the bottom wall of the conduction port, and a liquid storage bottle is threaded in the threaded groove, and the mouth of the liquid storage bottle is A cross-shaped fixing frame is fixedly connected, and a spiral beryllium copper wire three is fixed on the lower wall of the fixing frame, and the lower end of the spiral beryllium copper wire three is fixedly connected with a sealing plug, and the sealing plug and the liquid storage The mouths of the bottles are adapted to each other, and the lower wall surface of the sealing plug abuts against the top of the top post.

By adopting the above technical scheme, by screwing the liquid storage bottle into the threaded groove, the top column pushes the sealing plug up, and the helical beryllium copper wire shrinks three times, so that the mouth of the liquid storage bottle is opened, and the high temperature resistant liquid in the liquid storage bottle It will flow into the liquid seal tank through the channel, and then through the height difference, the high temperature resistant liquid will fill the entire liquid seal tank, so as to realize the liquid seal of the furnace door body. At the same time, when the furnace door body leaks, the liquid storage bottle The liquid level in the furnace will decrease, and the staff can judge whether the furnace door body is sealed through the liquid level height in the liquid storage bottle, so as to deal with the leakage of the furnace door body in time and ensure the normal operation of the heat treatment furnace.

Further, the edge of the sealing plug is fixedly connected with a plurality of guide posts, and the other end of the guide posts is movably arranged on the cross bar of the fixing frame.

By adopting the above technical solution, the stable movement of the sealing plug is ensured.

The beneficial effects of the present invention are:

2. When the present invention is assembled, the movable ring is pushed, so that the dismantling column moves toward the movable mouth, and a pair of movable pieces are pushed to move face to face. The position post is received into the plug post, insert the plug post into the slot, loosen the movable ring, and under the cooperation of the deformation force of the helical beryllium copper wire 1 and the helical beryllium copper wire 2, the disassembly The release column and the movable piece are reset, and then the limit column is engaged in the limit opening, so as to achieve the purpose of quickly locking the furnace door body. When the furnace door body needs to be disassembled, push the movable ring so that the disassembly column faces Move in the movable mouth, and push a pair of movable pieces to move face to face. At this time, the first helical beryllium copper wire and the second helical beryllium copper wire shrink, and then the limit post is received into the plug post, and finally the plug post Just pull out the insertion slot, which facilitates the opening of the furnace door body, making the furnace door easy to open and close.

, The present invention realizes the double sealing of the furnace door body after installation through the sealing groove 1 and the sealing ring 1 and the sealing groove 2 and the sealing ring 2, and by screwing the liquid storage bottle into the threaded groove, the top column pushes the sealing plug up, The helical beryllium copper wire shrinks three times, making the bottle mouth of the liquid storage bottle open, and the high temperature resistant liquid in the liquid storage bottle will flow into the liquid seal tank through the channel, and then through the height difference, the high temperature resistant liquid will fill the entire liquid seal tank, In this way, the liquid seal of the furnace door body is realized. At the same time, when the furnace door body leaks, the liquid level in the liquid storage bottle will decrease. The staff can judge whether the furnace door body is Sealing, in order to deal with the leakage of the furnace door body in time, and ensure the normal operation of the heat treatment furnace.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description as well as the appended drawings.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is the front view sectional structure schematic diagram of the embodiment of the present invention;

FIG. 2 is a schematic diagram of an enlarged structure at a of FIG. 1 according to an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a movable sheet according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an enlarged structure at b of FIG. 1 according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a fixing frame according to an embodiment of the present invention;

Reference signs: 1. Heat treatment furnace body; 2. Furnace door body; 3. Venting valve; 4. Locking piece; 5. Sealed leak detection piece; 41. Disassembly column; 42. Movable ring; Beryllium copper wire one; 44, socket slot; 45, socket post; 46, movable mouth; 47, movable piece; 48, spiral beryllium copper wire two; 49, limit post; Seal ring one; 52, seal groove one; 53, seal ring two; 54, seal groove two; 55, liquid seal groove; , fixed frame; 511, spiral beryllium copper wire three; 512, sealing plug; 513, guide post; 514, top post.

Detailed ways

In order to make the purpose, technical solution and advantages of the technical solution of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention. The same reference numerals in the figures represent the same parts. It should be noted that the described embodiments are some of the embodiments of the present invention, but not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to Fig. 1, the embodiment of the present invention proposes a heat treatment furnace door that is convenient to open and close, including a heat treatment furnace body 1, a furnace door body 2 is arranged at the mouth of the heat treatment furnace body 1, and an air release valve is installed on the furnace door body 2 3. A pair of handles are symmetrically attached to the side of the furnace door body 2, so that the furnace door body 2 can be held by hand, so as to assemble and disassemble the furnace door body 2.

Referring to Figure 1, Figure 2 and Figure 3, the heat treatment furnace body 1 and the furnace door body 2 are locked by a locking piece 4, which is used for quick assembly and disassembly of the furnace door body 2, and the locking piece 4 includes A plurality of dismantling columns 41 that are movably installed on the edge of the furnace door body 2 and a plurality of insertion slots 44 reserved at the mouth of the heat treatment furnace body 1, the insertion slots 44 are inserted with the insertion columns 45, and the disassembly columns 41 One end is fixedly connected to the movable ring 42, and the dismantling column 41 is placed on the outer peripheral surface close to one end of the movable ring 42, and then the helical beryllium copper wire-43 is sheathed, and the two ends of the helical beryllium copper wire-43 are connected with the movable ring 42 and the furnace door respectively. The main body 2 is fixedly connected, and a movable opening 46 is reserved in the plug-in column 45, and a pair of movable pieces 47 are movably installed in the movable opening 46, and a pair of movable pieces 47 are connected by a plurality of helical beryllium copper wires 2 48, A slope is reserved at one end of the movable piece 47, and the other end of the dismantling post 41 is in the movable mouth 46 and reserves a concave mouth. The other side of the piece 47 is fixedly connected with the limit post 49, and a pair of limit openings 410 which are mirror images are reserved on the side wall of the insertion groove 44, and the other end of the limit post 49 is embedded in the limit opening 410. , when assembling, promote movable ring 42, make dismantling column 41 move towards movable mouth 46, and promote a pair of movable pieces 47 to move face to face, at this moment, spiral beryllium copper wire one 43 and spiral shape beryllium copper wire two 48 are all contracted, and then allow limit post 49 to receive in the plug-in post 45, plug-in post 45 is inserted in the plug-in slot 44, unclamp movable ring 42, in spiral shape beryllium copper wire-43 and spiral shape beryllium copper wire-43 Under the cooperation of the deformation force of the copper wire 2 48, the dismantling column 41 and the movable piece 47 are reset, and then the limiting column 49 is engaged in the limiting opening 410, thereby achieving fast locking of the furnace door body 2 Purpose, when the furnace door body 2 needs to be disassembled, the movable ring 42 is pushed, so that the dismantling column 41 moves toward the movable opening 46, and a pair of movable pieces 47 are pushed to move face to face. At this time, the helical beryllium copper wire The first 43 and the helical beryllium copper wire two 48 all shrink, and then the limit post 49 is received in the plug-in post 45, and finally the plug-in post 45 is pulled out of the plug-in groove 44 to facilitate the opening of the furnace door body 2. The two side walls of movable piece 47 are fixedly connected with slide block, reserve slideway on the two sidewalls of movable opening 46, slide block is slidably arranged in the slideway, guarantees movable piece 47 to slide smoothly in movable opening 46, prevents The movable piece 47 is stuck in the movable opening 46 .

Referring to Fig. 1, Fig. 4 and Fig. 5, there is installed between the heat treatment furnace body 1 and the furnace door body 2 a sealing leak detection part 5 for sealing and detecting the airtightness of the furnace door body 2 after installation. Seal groove one 52 left on the inner edge of the mouth of the heat treatment furnace body 1 and seal groove two 54 reserved on the outer edge of the mouth of the heat treatment furnace body 1 and the seal ring one 51 and the seal ring fixed on the wall surface of the furnace door body 2 Two 53, the first sealing groove 52 and the first sealing ring 51 and the second sealing groove 54 and the second sealing ring 53 are correspondingly engaged and installed, and the furnace alignment is realized through the first sealing groove 52 and the first sealing ring 51 and the second sealing groove 54 and the second sealing ring 53 The double seal after the door body 2 is installed, the leak detection part 5 also includes two liquid seal grooves 55 reserved at the mouth of the heat treatment furnace body 1, one liquid seal groove 55 is outside the seal groove one 52, and the other liquid seal groove 55 is located outside the seal groove one 52. The sealing groove 55 is outside the sealing groove 2 54; the sealing leak detection part 5 also includes a pair of threaded grooves 58 reserved on the outer surface of the mouth of the heat treatment furnace body 1, and the lower ends of the pair of threaded grooves 58 are connected to conduction. Port 57, a pair of conduction ports 57 are respectively connected with two liquid seal grooves 55 through corresponding passages 56, a plurality of top posts 514 are fixedly connected to the bottom wall of the conduction ports 57, and a liquid storage tank is threadedly connected in the threaded groove 58 bottle 59, the mouth of the liquid storage bottle 59 is fixedly connected with a cross-shaped fixing frame 510, the lower wall of the fixing frame 510 is fixedly connected with a spiral beryllium copper wire 3 511, and the lower end of the spiral beryllium copper wire 3 511 is fixedly connected Close to the sealing plug 512, the sealing plug 512 and the mouth of the liquid storage bottle 59 are adapted to each other, the lower wall surface of the sealing plug 512 abuts against the top of the top post 514, and the top post is screwed into the threaded groove 58 by screwing the liquid storage bottle 59. 514 puts the sealing plug 512 on top, and the spiral beryllium copper wire 511 shrinks, so that the bottle mouth of the liquid storage bottle 59 is opened, and the high temperature resistant liquid in the liquid storage bottle 59 will flow into the liquid seal tank 55 through the channel 56, and then pass through The height difference makes the high temperature resistant liquid fill the entire liquid seal tank 55, so as to realize the liquid seal to the furnace door body 2. At the same time, when the furnace door body 2 leaks, the liquid level in the liquid storage bottle 59 will decrease, and the working Personnel can judge whether the furnace door body 2 is sealed by the liquid level height in the liquid storage bottle 59, so as to deal with the air leakage of the furnace door body 2 in time and ensure the normal operation of the heat treatment furnace. The edge of the sealing plug 512 is fixedly connected with multiple The guide post 513 , the other end of the guide post 513 is movably installed on the cross bar of the fixing frame 510 to ensure the stable movement of the sealing plug 512 .

The embodiment is specifically: when assembling, push the movable ring 42, so that the dismantling column 41 moves towards the movable opening 46, and pushes a pair of movable pieces 47 to move face to face. At this time, the helical beryllium copper wire 43 and the helical Beryllium copper wire 2 48 all shrinks, and then allow limit post 49 to receive in the plug-in post 45, plug-in post 45 is inserted in the socket slot 44, unclamp movable ring 42, in the helical beryllium copper wire 1 43 With the cooperation of the deformation force of the helical beryllium copper wire 2 48, the dismantling column 41 and the movable piece 47 are reset, and then the limiting column 49 is engaged in the limiting opening 410, thereby achieving the alignment of the furnace door body 2. For the purpose of fast locking, the liquid storage bottle 59 is screwed into the threaded groove 58, the top post 514 pushes the sealing plug 512 up, and the spiral beryllium copper wire 511 shrinks, so that the bottle mouth of the liquid storage bottle 59 is opened, and the liquid storage bottle The high temperature resistant liquid in 59 will flow into the liquid seal groove 55 through the channel 56, and then through the height difference, the high temperature resistant liquid will fill the entire liquid seal groove 55, so as to realize the liquid seal of the furnace door body 2, and at the same time, the furnace door When the body 2 leaks, the liquid level in the liquid storage bottle 59 will decrease, and the staff can judge whether the furnace door body 2 is sealed by the liquid level height in the liquid storage bottle 59, so as to timely check the leakage of the furnace door body 2 Timely processing to ensure the normal operation of the heat treatment furnace, when the furnace door body 2 needs to be disassembled, the liquid storage bottle 59 is unscrewed, and under the action of the deformation force of the spiral beryllium copper wire 3 511, the sealing plug 512 is pushed to move , so that the sealing plug 512 blocks the mouth of the liquid storage bottle 59, so as to prevent all the high-temperature-resistant liquid in the liquid storage bottle 59 from being lost during disassembly, and then push the movable ring 42 so that the dismantling column 41 moves toward the movable opening 46 middle activities, and promote a pair of movable pieces 47 to move face to face, at this moment, the helical beryllium copper wire 1 43 and the helical beryllium copper wire 2 48 all shrink, and then the limit post 49 is received in the insertion post 45, and finally the The insertion post 45 can be pulled out of the insertion slot 44.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A heat treatment furnace door that is convenient to open and close, comprising a heat treatment furnace body (1), characterized in that, the mouth of the heat treatment furnace body (1) is provided with a furnace door body (2), and the furnace door body (2) is equipped with a venting valve (3), the heat treatment furnace body (1) and the furnace door body (2) are locked by a locking piece (4), and the locking piece (4) is used to Quickly assemble and disassemble the furnace door body (2), the heat treatment furnace body (1) and the furnace door body (2) are installed with a seal leak detection device for sealing and detecting the airtightness of the furnace door body (2) after installation pieces (5). 2. A heat treatment furnace door that is convenient to open and close according to claim 1, characterized in that: a pair of handles are fixed symmetrically on the sides of the furnace door body (2). 3. A heat treatment furnace door that is convenient to open and close according to claim 1, characterized in that: the locking member (4) includes a plurality of dismantling columns ( 41) and a plurality of plug-in slots (44) reserved in the mouth of the heat treatment furnace body (1), the plug-in slots (44) are plugged with plug-in posts (45), and the dismantling post (41) One end is fixedly connected with the movable ring (42), and the said dismantling post (41) is placed on the peripheral surface close to one end of the movable ring (42) to be covered with a helical beryllium copper wire one (43), and said helical beryllium copper The two ends of the wire one (43) are fixedly connected with the movable ring (42) and the furnace door body (2) respectively, and a movable opening (46) is reserved in the described insertion post (45), and the movable opening (46) A pair of movable pieces (47) are movably installed, and a pair of said movable pieces (47) are connected by a plurality of helical beryllium copper wires (48), and a slope is reserved at one end of said movable piece (47) , the other end of the dismantling column (41) is in the movable mouth (46) and a concave mouth is reserved, and the side wall of the concave mouth is against the sharp part of the slope on the pair of movable pieces (47), The other side of the movable piece (47) is fixedly connected to the limit column (49), and a pair of limit openings (410) provided by mirror images are reserved on the side wall of the insertion slot (44). The other end of the limiting column (49) is embedded into the limiting opening (410). 4. A heat treatment furnace door that is convenient to open and close according to claim 3, characterized in that: sliders are fixedly connected to the two side walls of the movable piece (47), and the movable opening (46) A slideway is reserved on the two side walls, and the slide block is slidably arranged in the slideway. 5. A heat treatment furnace door that is convenient to open and close according to claim 1, characterized in that: the sealing leak detector (5) includes a sealing groove reserved on the inner edge of the mouth of the heat treatment furnace body (1) One (52) and the seal groove two (54) reserved on the outer edge of the mouth of the heat treatment furnace body (1) and the seal ring one (51) and the seal ring two (53) that are fixedly connected to the wall surface of the furnace door body (2) ), the sealing groove one (52) and the sealing ring one (51) and the sealing groove two (54) and the sealing ring two (53) are engaged and installed correspondingly. 6. A heat treatment furnace door that is convenient to open and close according to claim 5, characterized in that: the sealed leak detector (5) also includes two liquid seals reserved at the mouth of the heat treatment furnace body (1). Sealing grooves (55), one of the liquid sealing grooves (55) is located outside the sealing groove one (52), and the other of the liquid sealing grooves (55) is located outside the sealing groove two (54); The sealed leak detection part (5) also includes a pair of threaded grooves (58) reserved on the outer surface of the mouth of the heat treatment furnace body (1), and the lower ends of the pair of threaded grooves (58) are connected to conduction. port (57), a pair of the conduction ports (57) are respectively connected with the two liquid seal grooves (55) through the corresponding channels (56), and the bottom wall of the conduction port (57) is fixedly connected There are a plurality of props (514), and a liquid storage bottle (59) is threaded in the threaded groove (58), and a cross-shaped fixing frame (510) is fixedly connected to the mouth of the liquid storage bottle (59). , the lower wall surface of the fixed frame (510) is fixedly connected with a spiral beryllium copper wire three (511), and the lower end of the spiral beryllium copper wire three (511) is fixedly connected with a sealing plug (512), and the sealing The plug (512) fits with the mouth of the liquid storage bottle (59), and the lower wall surface of the sealing plug (512) abuts against the top of the top post (514). 7. A heat treatment furnace door that is convenient to open and close according to claim 6, characterized in that: the edge of the sealing plug (512) is fixedly connected with a plurality of guide columns (513), and the guide columns (513 ) is movably installed on the cross bar of the fixed mount (510).