Furnace door and heat treatment furnace

Abstract

The utility model discloses a furnace door and a heat treatment furnace, and belongs to the technical field of heat treatment furnaces, the furnace door comprises a shell, one side of the shell is provided with an opening, the inner wall of the opening of the shell is provided with a plurality of sealing plates in a sliding mode, one side of each sealing plate is fixedly provided with a sliding block, and the other side of each sealing plate is provided with a groove matched with the sliding block; a sliding plate is arranged on the outer side of the shell, a lifting assembly is installed on the sliding plate, a sliding hole is formed in the sliding plate, a plurality of first sliding blocks are installed on the inner wall of the sliding plate in a sliding mode, inserting blocks are fixedly installed at one ends of the first sliding blocks, and the inserting blocks are fixedly installed at the other ends of the first sliding blocks. According to the device, double-layer sealing is achieved through cooperation of the sealing door and the sealing plate, meanwhile, the sealing plate can be adjusted to move according to needs when the device is opened, and therefore the size of the opened furnace door is adjusted, heat loss is reduced, and energy consumption is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment furnaces, and particularly relates to a furnace door and a heat treatment furnace. Background Art

[0002] In current heat treatment furnaces, fuel enters the furnace chamber for combustion to heat workpieces. During the heating process, a large amount of heat is lost through the furnace shell of the furnace chamber, resulting in an increase in fuel consumption and a significant increase in energy consumption. In the prior art, an outer tank layer, a heat insulation layer, and an inner tank layer are sequentially arranged from outside to inside in the furnace chamber of the furnace body, forming a structure with a double furnace tank sandwiching heat insulation materials, which can greatly increase the heat insulation ability of the furnace chamber, reduce heat loss, and effectively reduce energy consumption.

[0003] However, the sealing performance between the furnace body and the furnace door in the prior art is poor, resulting in easy heat dissipation, thus affecting the heating effect. At the same time, when taking and placing workpieces, the size of the furnace door cannot be adjusted according to the size of the workpieces, resulting in a large amount of heat dissipation when the furnace door is opened and an increase in energy consumption. Summary of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a furnace door and a heat treatment furnace, aiming to improve the problem that when taking and placing workpieces, the size of the furnace door cannot be adjusted according to the size of the workpieces, resulting in a large amount of heat dissipation when the furnace door is opened and an increase in energy consumption.

[0005] In a first aspect, the utility model provides a furnace door, which includes a housing. One side of the housing is open. A plurality of sealing plates are slidably installed on the inner wall of the opening of the housing. A slider is fixedly installed on one side of the sealing plate, and a groove matching the slider is arranged on the other side of the sealing plate. The plurality of sealing plates are mutually clamped through the cooperation of the slider and the groove. A sliding plate is arranged on the outer side of the housing. A lifting assembly is installed on the sliding plate. A sliding hole is arranged in the sliding plate. A plurality of first sliders are slidably installed on the inner wall of the sliding plate. An insertion block is fixedly installed at one end of the first slider, and a pushing block cooperating with the insertion block is fixedly installed on one side of the sealing plate.

[0006] In a preferred technical solution of the utility model, the slider and the groove are respectively arranged on both sides of the inner wall of the opening of the housing, and the tops of the plurality of sealing plates slidably penetrate through the top of the housing.

[0007] In a preferred technical solution of the present utility model, the lifting assembly includes a threaded rod and a first guide rod. On both sides of the opening of the housing, side plates are symmetrically and fixedly installed respectively. The threaded rod and the first guide rod are rotatably installed and fixedly installed respectively between two side plates on each side. The sliding plates are respectively threadedly installed on the threaded rod and slidably installed on the first guide rod. The top end of the threaded rod is fixedly installed with a motor, and the motor is fixedly installed at the top end of the side plate. The output end of the motor penetrates through the side plate and is fixedly connected to the top end of the threaded rod.

[0008] In a preferred technical solution of the present utility model, a second guide rod is fixedly installed between the inner walls on both sides of the sliding hole. The first slider is slidably installed on the second guide rod, and both sides of one end of the first slider are arc-shaped.

[0009] In a preferred technical solution of the present utility model, a positioning plate is fixedly installed at the bottom end of the sealing plate, and a positioning groove matching the positioning plate is provided at the bottom end of the inner wall of the opening of the housing.

[0010] In a preferred technical solution of the present utility model, the insertion block is T-shaped. A jack matching the insertion block is provided on one side of the push block. The insertion block is slidably connected to the inner wall of the jack and has a certain frictional force.

[0011] In a preferred technical solution of the present utility model, a support frame is fixedly installed at the top end of the housing. The support frame is U-shaped. A rotating shaft is rotatably installed on the inner wall of the support frame. A baffle is fixedly installed on the outer side of the rotating shaft. A torsion spring is fixedly installed between the rotating shaft and the support frame. One end of the baffle is movably connected to the top end of the sealing plate. The baffle has a downward pressure on the top end of the sealing plate through the cooperation of the torsion spring and the baffle.

[0012] In a preferred technical solution of the present utility model, a sealing door is slidably installed in the housing. A first sealing plate is fixedly installed at one end of the sealing door. One end of the sealing door penetrates through one side of the housing and a second sealing plate is fixedly installed. A support rod is rotatably installed on one side of the housing. A positioning block is fixedly installed at one end of the support rod. A support strip matching the positioning block is provided on one side of the second sealing plate. The positioning block is slidably connected to one side of the second sealing plate. A handle is fixedly installed on one side of the second sealing plate.

[0013] In a second aspect, the present utility model further provides a heat treatment furnace, including the above-mentioned furnace door and a furnace body for treatment.

[0014] The beneficial effects of the present utility model are as follows: A furnace door and a heat treatment furnace obtained by the above design of the present utility model. When the furnace door needs to be opened, first rotate the positioning block until it disengages from the second sealing plate, then pull the handle to drive the second sealing plate to move. The movement of the second sealing plate drives the sealing door to move out of the housing until it is completely pulled out. Then push the first slider to drive the insertion block to move. The insertion block moves into the push block corresponding to the sealing plate that needs to be opened. Start the motor to drive the threaded rod to rotate. The rotation of the threaded rod drives the slide plate to move, thereby driving the corresponding sealing plate to move upward to open, and then the workpiece can be taken. This device is sealed in a double layer through the cooperation of the sealing door and the sealing plate. At the same time, when opening, the movement of the sealing plate can be adjusted according to needs, so as to adjust the size of the opened furnace door, reduce heat loss, and effectively reduce energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0016] Figure 1 is a schematic structural diagram of a furnace door provided by an embodiment of the present utility model;

[0017] Figure 2 is a schematic structural diagram of the connection of multiple sealing plates provided by an embodiment of the present utility model;

[0018] Figure 3 is a schematic structural diagram of a slide plate provided by an embodiment of the present utility model;

[0019] Figure 4 is a schematic structural diagram of a sealing plate provided by an embodiment of the present utility model;

[0020] Figure 5 is a side view of a furnace door provided by an embodiment of the present utility model;

[0021] Figure 6 is a schematic internal structure diagram of a housing provided by an embodiment of the present utility model.

[0022] In the figure: 110 - housing; 120 - sealing plate; 121 - slider; 122 - groove; 123 - positioning plate; 130 - slide plate; 131 - first slider; 132 - insertion block; 133 - push block; 134 - second guide rod; 140 - threaded rod; 141 - first guide rod; 142 - side plate; 143 - motor; 150 - support frame; 160 - sealing door; 161 - first sealing plate; 162 - second sealing plate; 163 - positioning block; 164 - support bar. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0024] Please refer to Figures 1-3 , the present utility model provides a technical solution: a furnace door, including a housing 110, one side of the housing 110 is open, a plurality of sealing plates 120 are slidably installed on the inner wall of the opening of the housing 110, a slider 121 is fixedly installed on one side of the sealing plate 120, and a groove 122 matching the slider 121 is provided on the other side of the sealing plate 120. The plurality of sealing plates 120 are mutually clamped through the cooperation of the slider 121 and the groove 122. A sliding plate 130 is provided outside the housing 110, a lifting assembly is installed on the sliding plate 130, a sliding hole is provided in the sliding plate 130, a plurality of first sliders 131 are slidably installed on the inner wall of the sliding plate 130, an insertion block 132 is fixedly installed at one end of the first slider 131, and a pushing block 133 matching the insertion block 132 is fixedly installed on one side of the sealing plate 120.

[0025] In some specific embodiments, a slider 121 and a groove 122 are respectively provided on both sides of the inner wall of the opening of the housing 110. The tops of the plurality of sealing plates 120 slidably penetrate through the top of the housing 110. A positioning plate 123 is fixedly installed at the bottom of the sealing plate 120, and a positioning groove matching the positioning plate 123 is provided at the bottom of the inner wall of the opening of the housing 110, facilitating the sealing connection between the sealing plate 120 and the opening of the housing 110.

[0026] In some specific embodiments, a second guide rod 134 is fixedly installed between both sides of the inner wall of the sliding hole, the first slider 131 is slidably installed on the second guide rod 134, and both sides of one end of the first slider 131 are arc-shaped, improving the stability of the first slider 131 during movement.

[0027] In some specific embodiments, the insertion block 132 is T-shaped, a jack matching the insertion block 132 is provided on one side of the pushing block 133, and the insertion block 132 is slidably connected to the inner wall of the jack and has a certain frictional force, facilitating moving the insertion block 132 to the corresponding pushing block 133 as needed to push the sealing plate 120 to be opened.

[0028] In some specific embodiments, a support frame 150 is fixedly installed at the top end of the housing 110. The support frame 150 is U-shaped. A rotating shaft is rotatably installed on the inner wall of the support frame 150. A baffle is fixedly installed on the outer side of the rotating shaft. A torsion spring is fixedly installed between the rotating shaft and the support frame 150. One end of the baffle is movably connected to the top end of the sealing plate 120. The baffle has a downward pressure on the top end of the sealing plate 120 through the cooperation of the torsion spring and the baffle, preventing the adjacent sealing plate 120 from moving when the sealing plate 120 rises and opens.

[0029] Please refer to Figure 5 and Figure 6 As shown in FIGS. ## and ##, the lifting assembly includes a threaded rod 140 and a first guide rod 141. Side plates 142 are symmetrically and fixedly installed on both sides of the opening of the housing 110. The threaded rod 140 and the first guide rod 141 are respectively rotatably installed and fixedly installed between the two side plates 142 on each side. The sliding plates 130 are respectively threadedly installed on the threaded rod 140 and slidably installed on the first guide rod 141. The top end of the threaded rod 140 is fixedly installed with a motor 143. The motor 143 is fixedly installed at the top end of the side plate 142. The output end of the motor 143 penetrates through the side plate 142 and is fixedly connected to the top end of the threaded rod 140. A sealing door 160 is slidably installed in the housing 110. A first sealing plate 161 is fixedly installed at one end of the sealing door 160. One end of the sealing door 160 penetrates through one side of the housing 110 and is fixedly installed with a second sealing plate 162. A support rod is rotatably installed on one side of the housing 110. A positioning block 163 is fixedly installed at one end of the support rod. A support bar 164 that cooperates with the positioning block 163 is provided on one side of the second sealing plate 162. The positioning block 163 is slidably connected to one side of the second sealing plate 162. A handle is fixedly installed on one side of the second sealing plate 162.

[0030] Another embodiment of the present invention further provides a heat treatment furnace, including the above-mentioned furnace door and a furnace body.

[0031] Working principle: When it is necessary to open the furnace door, first rotate the positioning block 163 to disengage from the second sealing plate 162, pull the handle to drive the second sealing plate 162 to move. The movement of the second sealing plate 162 drives the sealing door 160 to move out of the housing 110 until it is completely pulled out. Then push the first slider 131 to drive the insertion block 132 to move. The insertion block 132 moves into the push block 133 corresponding to the sealing plate 120 that needs to be opened. Start the motor 143 to drive the threaded rod 140 to rotate. The rotation of the threaded rod 140 drives the sliding plate 130 to move, thereby driving the corresponding sealing plate 120 to move upward to open, and then the workpiece can be taken.

[0032] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A furnace door, comprising a housing, characterized in that, One side of the housing is provided with an opening. A plurality of sealing plates are slidably installed on the inner wall of the opening of the housing. A slider is fixedly installed on one side of the sealing plate, and a groove matching the slider is provided on the other side of the sealing plate. The plurality of sealing plates are mutually clamped through the cooperation of the slider and the groove. A sliding plate is provided on the outside of the housing, and a lifting assembly is installed on the sliding plate. A sliding hole is provided in the sliding plate. A plurality of first sliders are slidably installed on the inner wall of the sliding plate. An insertion block is fixedly installed at one end of the first slider, and a pushing block matching the insertion block is fixedly installed on one side of the sealing plate.

2. The furnace door according to claim 1, wherein, The slider and the groove are respectively provided on both sides of the inner wall of the opening of the housing, and the tops of the plurality of sealing plates slidably penetrate through the top of the housing.

3. The furnace door according to claim 1, characterized in that, The lifting assembly includes a threaded rod and a first guide rod. Side plates are symmetrically and fixedly installed on both sides of the opening of the housing. The threaded rod and the first guide rod are respectively rotatably installed between the two side plates on each side. The sliding plate is respectively threadedly installed on the threaded rod and slidably installed on the first guide rod. A motor is fixedly installed at the top of the threaded rod.

4. A furnace door according to claim 1, characterized in that, A second guide rod is fixedly installed between the two sides of the inner wall of the sliding hole, and the first slider is slidably installed on the second guide rod.

5. A furnace door according to claim 1, characterized in that, A positioning plate is fixedly installed at the bottom end of the sealing plate, and a positioning groove matching the positioning plate is provided at the bottom end of the inner wall of the opening of the housing.

6. The furnace door according to claim 1, characterized in that, The insertion block is T-shaped, and a jack matching the insertion block is provided on one side of the pushing block.

7. A furnace door according to claim 1, characterized in that, A support frame is fixedly installed at the top of the housing. The support frame is U-shaped. A rotating shaft is rotatably installed on the inner wall of the support frame. A baffle is fixedly installed on the outside of the rotating shaft. A torsion spring is fixedly installed between the rotating shaft and the support frame. One end of the baffle is movably connected to the top end of the sealing plate.

8. A furnace door according to claim 1, characterized in that, A sealing door is slidably installed in the housing. A first sealing plate is fixedly installed at one end of the sealing door. One end of the sealing door penetrates through one side of the housing and a second sealing plate is fixedly installed. A support rod is rotatably installed on one side of the housing. A positioning block is fixedly installed at one end of the support rod. A support strip matching the positioning block is provided on one side of the second sealing plate, and the positioning block is slidably connected to one side of the second sealing plate.

9. A heat treatment furnace, characterized in that, It includes the furnace door according to any one of claims 1-8 and a processing furnace body.

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