Efficient digital pulse type heat treatment furnace

Abstract

The utility model relates to an efficient digital pulse type heat treatment furnace which comprises a pulse type heat treatment furnace body, and a sealing device used for sealing the front end face of the pulse type heat treatment furnace body is arranged on the front portion of the pulse type heat treatment furnace body. An absorption and utilization device used for absorbing and utilizing heat energy in the pulse type heat treatment furnace body is arranged on the back of the pulse type heat treatment furnace body, a heating assembly used for heating a workpiece is arranged in the pulse type heat treatment furnace body, and a moving assembly used for moving the workpiece is arranged on the inner bottom wall of the pulse type heat treatment furnace body. According to the efficient digital pulse type heat treatment furnace, the dust collection fan drives the furnace door connected with the threaded sleeve on the outer side of the threaded rod to linearly move leftwards or rightwards on the front end face of the pulse type heat treatment furnace body, and the opening and closing effects on the furnace door and the pulse type heat treatment furnace body are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment furnaces, in particular to a high-efficiency digital pulse heat treatment furnace. Background Art

[0002] With the development of industrial production, people's requirements for improving product quality, reducing production costs, reducing energy consumption, and strengthening environmental protection are also increasing. Energy conservation and emission reduction have become the development goals of the entire industrial industry. Industrial furnaces are large energy consumers. The level of their energy consumption is directly reflected in the cost and value of the product, which directly affects the competitiveness and sales of the product, and even affects the survival and development of the enterprise. Therefore, the development of a trolley-type heat treatment furnace using digital pulse combustion technology will bring revolutionary changes to industrial furnaces in reducing production costs and energy conservation and consumption reduction.

[0003] After searching, Chinese patent CN202201922U in the prior art discloses a digital pulse heat treatment furnace, which includes a furnace body mechanical structure, a sealing system, a smoke exhaust system, a combustion system and an automatic control system. The combustion system includes multiple groups of burners, a combustion control system, and a fuel supply system, wherein the burners are located at the bottom of both sides of the treatment furnace. The sealing system is that the furnace door adopts a guide wheel plus a four-point balance cylinder clamping mechanism, the tail of the trolley and the furnace wall adopt a spring clamping sealing device, and the two sides of the trolley and the furnace wall adopt an inclined fiber soft sealing method. The smoke exhaust system consists of a smoke exhaust duct, an air preheater, a steel chimney and an electric regulating smoke duct gate arranged at the smoke exhaust duct above the air preheater. The utility model is simple and reliable, low in cost, can improve the uniformity of the temperature field in the furnace, has high heat transfer efficiency, greatly reduces energy consumption, and has a large load adjustment ratio of the burner, without the need for online adjustment, can achieve precise control of the air-fuel ratio, and reduce NOx generation.

[0004] However, the furnace door of the heat treatment furnace of the utility model is usually manually opened and closed. When the temperature in the furnace is high, the heat energy will be transferred to the surface of the furnace door, which may easily cause burns to the hands, etc., and the heat energy in the heat treatment furnace cannot be recycled, resulting in waste of heat energy and failing to meet production needs. Therefore, an efficient digital pulse heat treatment furnace is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a high-efficiency digital pulse heat treatment furnace with the advantages of automatic opening and closing of the furnace door and heat energy recovery and utilization, which solves the problem that the furnace door is usually opened and closed manually, when the temperature in the furnace is high, the heat energy will be transferred to the surface of the furnace door, which may easily cause burns to the hands, and the heat energy in the heat treatment furnace cannot be recovered and utilized, resulting in waste of heat energy.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a high-efficiency digital pulse heat treatment furnace, comprising a pulse heat treatment furnace body, a sealing device for sealing the front end surface of the pulse heat treatment furnace body is arranged at the front of the pulse heat treatment furnace body, an absorption and utilization device for absorbing and utilizing the heat energy in the pulse heat treatment furnace body is arranged at the back of the pulse heat treatment furnace body, a heating component for heating a workpiece is arranged inside the pulse heat treatment furnace body, and a moving component for moving the workpiece is arranged on the bottom wall of the pulse heat treatment furnace body.

[0007] The sealing device includes a driving motor fixedly installed on the upper side of the pulse heat treatment furnace body, a threaded rod fixedly connected to the output end of the driving motor, a threaded sleeve threadedly connected to the outside of the threaded rod, a furnace door fixedly connected to one side of the threaded sleeve, and a limiting assembly arranged on the surface of the furnace door.

[0008] The absorption and utilization device includes three first air intake pipes connected to the back of the pulse heat treatment furnace body, an insulation box connected to the three first air intake pipes on the side away from the pulse heat treatment furnace body, an exhaust pipe connected to one end of the lower side of the insulation box, and a filter assembly slidably connected to the inside of the insulation box.

[0009] The filter assembly includes a first filter plate slidably connected to the upper side of the interior of the heat preservation box, a second filter plate slidably connected to the lower side of the interior of the heat preservation box, and a dust collection device fixedly connected to the interior of the heat preservation box.

[0010] The dust suction device includes a cleaning brush connected to the upper side of the first filter plate and the second filter plate, a second air intake pipe connected to the upper side of the two cleaning brushes, a dust collecting box connected to the side of the two second air intake pipes away from the cleaning brushes, two dust suction fans embedded in the surface of the dust collecting box, and an adsorption plate slidably connected to the inner side of the dust collecting box.

[0011] Furthermore, the heating assembly includes a first insulation pad bonded to the inner wall of the pulse heat treatment furnace body and a plurality of heating wire groups fixedly connected to one side of the first insulation pad, and the plurality of heating wire groups are arranged at equal distances.

[0012] Furthermore, the moving assembly includes two linear guide rails fixedly connected to the inner bottom wall of the pulse heat treatment furnace body, a guide block slidably connected to the upper outer wall of the two linear guide rails, a vehicle frame fixedly connected to the upper side of the two guide blocks, and three vehicle plates fixedly connected to the inner side of the vehicle frame, and the three vehicle plates are arranged vertically equidistantly.

[0013] Furthermore, the limiting assembly includes two sliding blocks fixedly connected to the back of the furnace door and sliding grooves opened on the upper and lower sides of the front end surface of the pulse heat treatment furnace body.

[0014] Furthermore, an observation window is inlaid on the front end surface of the furnace door, and a second insulation pad is bonded to the inner wall of the insulation box.

[0015] Furthermore, the first air intake pipe is a bifurcated pipe, and the two dust suction fans are arranged at equal distances in the transverse direction.

[0016] Furthermore, a cavity is provided inside the cleaning brush, the upper side of the cavity is communicated with the second air intake pipe, and the lower side of the cavity passes through the cleaning brush.

[0017] Compared with the prior art, the utility model provides a high-efficiency digital pulse heat treatment furnace, which has the following beneficial effects:

[0018] 1. The high-efficiency digital pulse heat treatment furnace drives the furnace door connected to the threaded sleeve on the outer side of the threaded rod through the dust suction fan to move linearly to the left or right on the front surface of the pulse heat treatment furnace body, thereby realizing the opening and closing of the furnace door and the pulse heat treatment furnace body.

[0019] 2. The high-efficiency digital pulse heat treatment furnace absorbs the residual heat energy in the pulse heat treatment furnace body through the first air intake pipe and filters it through the first filter plate and the second filter plate and then discharges it into the pulse heat treatment furnace body from the exhaust pipe, thereby realizing the utilization of waste heat and solving the problem that the furnace door is usually opened and closed manually, and when the temperature in the furnace is high, the heat energy will be transferred to the surface of the furnace door, which may easily cause burns to the hands, and the heat energy in the heat treatment furnace cannot be recycled, resulting in waste of heat energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of the structure of the utility model;

[0021] Figure 2 This is a structural sectional view of the thermal insulation box of the utility model;

[0022] Figure 3 This is a structural back view of the thermal insulation box of the utility model;

[0023] Figure 4 It is a structural stereogram of the drive motor and the furnace door of the utility model.

[0024] In the figure: 1 pulse heat treatment furnace body, 2 furnace door, 3 threaded rod, 4 slide groove, 5 first insulation pad, 6 heating wire group, 7 linear guide rail, 8 guide block, 9 car frame, 10 car plate, 11 first air intake pipe, 12 exhaust pipe, 13 insulation box, 14 second insulation pad, 15 cleaning brush, 16 cavity, 17 second air intake pipe, 18 first filter plate, 19 second filter plate, 20 dust collecting box, 21 adsorption plate, 22 dust suction fan, 23 threaded sleeve, 24 slider, 25 drive motor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 In this embodiment, a high-efficiency digital pulse heat treatment furnace includes a pulse heat treatment furnace body 1, a sealing device for sealing the front end surface of the pulse heat treatment furnace body 1 is arranged at the front of the pulse heat treatment furnace body 1, an absorption and utilization device for absorbing and utilizing the heat energy in the pulse heat treatment furnace body 1 is arranged at the back of the pulse heat treatment furnace body 1, a heating component for heating a workpiece is arranged inside the pulse heat treatment furnace body 1, and a moving component for moving the workpiece is arranged on the inner bottom wall of the pulse heat treatment furnace body 1.

[0027] Among them, the heating component includes a first insulation pad 5 bonded to the inner wall of the pulse heat treatment furnace body 1 and a plurality of heating wire groups 6 fixedly connected to one side of the first insulation pad 5, and the plurality of heating wire groups 6 are arranged equidistantly. The moving component includes two linear guide rails 7 fixedly connected to the inner bottom wall of the pulse heat treatment furnace body 1, a guide block 8 slidably connected to the upper outer wall of the two linear guide rails 7, a car frame 9 fixedly connected to the upper side of the two guide blocks 8, and three car plates 10 fixedly connected to the inner side of the car frame 9, and the three car plates 10 are arranged vertically equidistantly.

[0028] The sealing device includes a driving motor 25 fixedly installed on the upper side of the pulse heat treatment furnace body 1, a threaded rod 3 fixedly connected to the output end of the driving motor 25, a threaded sleeve 23 threadedly connected to the outside of the threaded rod 3, a furnace door 2 fixedly connected to one side of the threaded sleeve 23, and a limit assembly arranged on the surface of the furnace door 2.

[0029] The limiting assembly includes two sliders 24 fixedly connected to the back of the furnace door 2 and slide grooves 4 provided on the upper and lower sides of the front end surface of the pulse heat treatment furnace body 1 .

[0030] The absorption and utilization device includes three first air intake pipes 11 connected to the back of the pulse heat treatment furnace body 1, an insulation box 13 connected to the three first air intake pipes 11 on the side away from the pulse heat treatment furnace body 1, an exhaust pipe 12 connected to one end of the lower side of the insulation box 13, and a filter assembly slidably connected to the inside of the insulation box 13.

[0031] The filter assembly includes a first filter plate 18 slidably connected to the upper side of the heat preservation box 13 , a second filter plate 19 slidably connected to the lower side of the heat preservation box 13 , and a dust collection device fixedly connected to the heat preservation box 13 .

[0032] The dust suction device includes a cleaning brush 15 connected to the upper side of the first filter plate 18 and the second filter plate 19, a second suction pipe 17 connected to the upper side of the two cleaning brushes 15, a dust collecting box 20 connected to the side of the two second suction pipes 17 away from the cleaning brushes 15, two dust suction fans 22 embedded in the surface of the dust collecting box 20, and an adsorption plate 21 slidably connected to the inner side of the dust collecting box 20.

[0033] Among them, an observation window is inlaid on the front end face of the furnace door 2, a second insulation pad 14 is bonded to the inner wall of the insulation box 13, the first intake pipe 11 is a forked pipe, two dust suction fans 22 are arranged equidistantly laterally, and a cavity 16 is opened inside the cleaning brush 15. The upper side of the cavity 16 is connected to the second intake pipe 17, and the lower side of the cavity 16 passes through the cleaning brush 15.

[0034] It should be noted that during the dust absorption period of the dust suction fan 22 on the upper surface of the first filter plate 18 and the second filter plate 19, the dust is filtered and processed by the adsorption plate 21, and the adsorption plate 21 can be moved out from the upper side of the dust collecting box 20, which is convenient for later cleaning and replacement. The first filter plate 18 and the second filter plate 19 can slide out from the front end surface of the insulation box 13, and the two cleaning brushes 15 are respectively fixed on the front end surfaces of the first filter plate 18 and the second filter plate 19. When the first filter plate 18 and the second filter plate 19 are moved out of the insulation box 13, they can automatically absorb the dust on the surface of the first filter plate 18 and the second filter plate 19.

[0035] The working principle of the above embodiment is:

[0036] The workpieces are placed on the upper side of the car plate 10 in sequence, and then pushed into the pulse heat treatment furnace body 1 by sliding the guide block 8 on the upper side of the linear guide rail 7, and the drive motor 25 is used to drive the threaded sleeve 23 to connect the furnace door 2 to move toward the front end surface of the pulse heat treatment furnace body 1. During the movement, the slider 24 on the surface of the furnace door 2 slides in the slide groove 4, thereby effectively improving the sliding stability. After the furnace door 2 is completely sealed with the front end surface of the pulse heat treatment furnace body 1, the heating wire group 6 is turned on to heat the workpiece on the upper side of the car plate 10, and the first insulation pad 5 prolongs the temperature in the pulse heat treatment furnace body 1, and part of the heat energy will be guided to the insulation box 13 through the first suction pipe 11, and pass through the first filter plate 1 8 and the second filter plate 19 filter and adsorb toxic substances such as dust in the gas, and discharge them from the exhaust pipe 12 to the pulse heat treatment furnace body 1 again to achieve the purpose of recycling. The second insulation pad 14 on the inner wall of the insulation box 13 plays the same role as the first insulation pad 5. After the pulse heat treatment furnace body 1 is not in use, the dust suction fan 22 is started and switched to the standby state. At the same time, the first filter plate 18 and the second filter plate 19 are pulled toward the outside of the insulation box 13. The suction energy generated by the dust suction fan 22 is discharged from the cavity 16 and the dust on the upper surface of the first filter plate 18 and the second filter plate 19 is absorbed and discharged into the dust collecting box 20, and all of them are adsorbed on the surface of the adsorption plate 21 to complete the cleaning purpose.

[0037] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency digital pulse heat treatment furnace, characterized in that: The invention comprises a pulse heat treatment furnace body (1), wherein a sealing device for sealing the front end surface of the pulse heat treatment furnace body (1) is arranged at the front of the pulse heat treatment furnace body (1), an absorption and utilization device for absorbing and utilizing the heat energy in the pulse heat treatment furnace body (1) is arranged at the back of the pulse heat treatment furnace body (1), a heating component for heating a workpiece is arranged inside the pulse heat treatment furnace body (1), and a moving component for moving the workpiece is arranged on the inner bottom wall of the pulse heat treatment furnace body (1); The sealing device comprises a driving motor (25) fixedly mounted on the upper side of the pulse heat treatment furnace body (1), a threaded rod (3) fixedly connected to the output end of the driving motor (25), a threaded sleeve (23) threadedly connected to the outside of the threaded rod (3), a furnace door (2) fixedly connected to one side of the threaded sleeve (23), and a limit assembly arranged on the surface of the furnace door (2); The absorption and utilization device comprises three first air intake pipes (11) connected to the back of the pulse heat treatment furnace body (1), a heat preservation box (13) connected to the three first air intake pipes (11) on the side away from the pulse heat treatment furnace body (1), an exhaust pipe (12) connected to one end of the lower side of the heat preservation box (13), and a filter assembly slidably connected to the inside of the heat preservation box (13); The filter assembly comprises a first filter plate (18) slidably connected to the upper side of the interior of the heat preservation box (13), a second filter plate (19) slidably connected to the lower side of the interior of the heat preservation box (13), and a dust collecting device fixedly connected to the interior of the heat preservation box (13); The dust suction device comprises a cleaning brush (15) connected to the upper side of the first filter plate (18) and the second filter plate (19), a second air suction pipe (17) connected to the upper side of the two cleaning brushes (15), a dust collecting box (20) connected to the side of the two second air suction pipes (17) away from the cleaning brushes (15), two dust suction fans (22) embedded in the surface of the dust collecting box (20) and an adsorption plate (21) slidably connected to the inner side of the dust collecting box (20).

2. The high-efficiency digital pulse heat treatment furnace according to claim 1, characterized in that: The heating assembly comprises a first insulation pad (5) bonded to the inner wall of the pulse heat treatment furnace body (1) and a plurality of heating wire groups (6) fixedly connected to one side of the first insulation pad (5), wherein the plurality of heating wire groups (6) are arranged at equal distances.

3. The high-efficiency digital pulse heat treatment furnace according to claim 1, characterized in that: The moving assembly comprises two linear guide rails (7) fixedly connected to the inner bottom wall of the pulse heat treatment furnace body (1), a guide block (8) slidably connected to the upper outer wall of the two linear guide rails (7), a vehicle frame (9) fixedly connected to the upper side of the two guide blocks (8), and three vehicle plates (10) fixedly connected to the inner side of the vehicle frame (9), wherein the three vehicle plates (10) are arranged vertically equidistantly.

4. The high-efficiency digital pulse heat treatment furnace according to claim 1, characterized in that: The limiting assembly comprises two sliding blocks (24) fixedly connected to the back of the furnace door (2) and sliding grooves (4) provided on the upper and lower sides of the front end surface of the pulse heat treatment furnace body (1).

5. The high-efficiency digital pulse heat treatment furnace according to claim 4, characterized in that: The front end surface of the furnace door (2) is inlaid with an observation window, and the inner wall of the heat preservation box (13) is bonded with a second heat preservation pad (14).

6. The high-efficiency digital pulse heat treatment furnace according to claim 1, characterized in that: The first air suction pipe (11) is a bifurcated pipe, and the two dust suction fans (22) are arranged in a horizontally equidistant manner.

7. The high-efficiency digital pulse heat treatment furnace according to claim 1, characterized in that: A cavity (16) is provided inside the cleaning brush (15); the upper side of the cavity (16) is communicated with the second air suction pipe (17), and the lower side of the cavity (16) passes through the cleaning brush (15).

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