CN212894857U - Medium-frequency induction electric heating steel cylinder heat treatment furnace - Google Patents
Medium-frequency induction electric heating steel cylinder heat treatment furnace Download PDFInfo
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- CN212894857U CN212894857U CN202021409470.0U CN202021409470U CN212894857U CN 212894857 U CN212894857 U CN 212894857U CN 202021409470 U CN202021409470 U CN 202021409470U CN 212894857 U CN212894857 U CN 212894857U
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Abstract
The utility model discloses a medium frequency induction electric heating steel cylinder heat treatment furnace, which adopts the technical proposal that the furnace comprises a furnace body and a track, the furnace body comprises a furnace chamber for conveying steel cylinders, the track passes through the furnace chamber, a heat preservation layer is filled between the outer side wall and the inner side wall of the furnace body, the furnace body comprises a preheating section, a heating section and a heat preservation section which are connected in sequence, and a medium frequency induction heating component for heating the furnace body is arranged on the heating section; the heating furnace further comprises a pushing assembly and a material dragging frame, the material dragging frame is used for placing steel cylinders, two ends of the material dragging frame are respectively connected with the preheating section and the pushing assembly, and the pushing assembly is used for pushing the steel cylinders on the material dragging frame to the rail. The steel cylinder heat treatment furnace can be used for rapidly heating the steel cylinder, and is high in heating efficiency and small in heat loss.
Description
Technical Field
The utility model relates to a steel bottle processing equipment field, more specifically the utility model relates to a medium frequency induction electric heating steel bottle heat treatment furnace that says so.
Background
Annealing heat treatment is to heat the workpiece to a proper temperature, adopt different heat preservation times according to the size of the material and the workpiece, and then slowly cool the workpiece, so as to enable the internal structure of the metal to reach or approach a balanced state, obtain good process performance and service performance, or prepare for further quenching.
Annealing heat treatment is required in the steel cylinder manufacturing process, and a heat treatment furnace is equipment for steel cylinder heat treatment. The heat treatment furnace is an electric furnace or a fuel furnace for heating the charge for heat treatment. Commonly used heat treatment furnaces include a box-type resistance furnace, a pit-type resistance furnace, a gas carburizing furnace, a salt bath furnace, and the like. Continuous furnaces are generally used in the production of steel cylinders, which are loaded from a charging door, heated through a furnace, and unloaded from a discharge door. The heat generated by the existing heat treatment furnace is difficult to concentrate on heating the steel cylinder, the heating efficiency is low, and the heat loss is large.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a medium frequency induction electric heating steel bottle heat treatment furnace, this steel bottle heat treatment furnace can be used for carrying out the rapid heating to the steel bottle, and heating efficiency is high, and calorific loss is little.
In order to achieve the above purpose, the utility model provides a following technical scheme: a medium-frequency induction electric heating steel cylinder heat treatment furnace comprises a furnace body and a track, wherein the furnace body comprises a furnace chamber for conveying steel cylinders, the track penetrates through the furnace chamber, a heat insulation layer is filled between the outer side wall and the inner side wall of the furnace body, the furnace body comprises a preheating section, a heating section and a heat insulation section which are sequentially connected, and a medium-frequency induction heating assembly for heating the furnace body is arranged on the heating section;
the heating furnace further comprises a pushing assembly and a material dragging frame, the material dragging frame is used for placing steel cylinders, two ends of the material dragging frame are respectively connected with the preheating section and the pushing assembly, and the pushing assembly is used for pushing the steel cylinders on the material dragging frame to the rail.
As a further improvement, be provided with water channel in the track, water channel runs through track length both ends, water channel is close to drag work or material rest one end sets up to the delivery port, water channel keeps away from drag work or material rest one end sets up to the water inlet.
Through setting up like this, the external water pump of water inlet, the water pump is impressed cold water inlet and is discharged from the delivery port, and cold water can cool off the track of furnace chamber intracavity, especially heating section to avoid the track overheated, influence the slip of steel bottle and the thermal treatment of steel bottle.
As a further improvement, the medium frequency induction heating assembly is a medium frequency heating coil, and the central axis of the medium frequency heating coil coincides with the central axis of the steel cylinder when passing through the furnace chamber.
Through setting up like this, intermediate frequency heating coil encircles the steel bottle, can effectively improve the heating efficiency of steel bottle.
As a further improvement of the utility model, the intermediate frequency heating coil is provided with two at least, two the intermediate frequency heating coil is located respectively the both ends of heating section.
Through setting up like this, further improve the heating efficiency of steel bottle.
As a further improvement, the propelling movement subassembly includes cylinder and push pedal, the telescopic link of cylinder with the push pedal is connected, the length direction of telescopic link with the push pedal is perpendicular, the cylinder passes through the push pedal promotes the steel bottle.
Through setting up like this, avoided promoting the steel bottle between the telescopic link, promoted through the push pedal and can increase area of contact, avoided telescopic link or steel bottle damage.
As a further improvement of the utility model, the furnace body is arranged in an inclined way, the preheating section is higher than the heat preservation section, and the inclination angle is 5-40 degrees.
Through setting up like this, can reduce the sliding resistance of steel bottle, and when the angle of inclination is great, the steel bottle can slide to heat preservation section one end by oneself.
As a further improvement, the one end that the heating section was kept away from to the heat preservation section is provided with and is used for blockking the restriction subassembly of steel bottle roll-off from the furnace body by oneself, restriction subassembly is including urceolus, interior pole, urceolus one end is sealed, interior pole sliding connection is in the urceolus, be provided with the elastic component between the bobbin base of interior pole and urceolus, interior pole is kept away from the one end of elastic component sets up to be used for the hemisphere of contradicting with the steel bottle, the urceolus set up in the heat preservation section, interior pole in the elastic component's elastic action part stretches into down in the furnace chamber.
Through the arrangement, when the steel cylinder is not pushed by the pushing assembly, the inner rod can prevent the steel cylinder from automatically sliding out of the furnace chamber; when the propelling movement subassembly promoted the steel bottle, pole in the steel bottle extrusion for interior pole slides in to outer section of thick bamboo, can not hinder the steel bottle and slide until interior pole, and after the steel bottle slided, interior pole resets under the spring action of elastic component, thereby makes interior pole resume the gliding restriction effect of next steel bottle. Effectively preventing the steel cylinder from sliding out of the furnace chamber by itself.
As a further improvement of the present invention, the restriction assembly is provided with a plurality of restriction assemblies which are uniformly distributed along the central axis of the furnace chamber in an annular shape.
Through setting up like this, can improve the gliding hindrance effect of steel bottle by oneself.
As a further improvement of the utility model, the outer cylinder and the heat preservation section can be dismantled and connected.
Through setting up like this for the urceolus is removable, is favorable to changing and maintaining this restriction subassembly.
As a further improvement of the utility model, the heat preservation section is provided with the connecting hole, the outer wall of urceolus with the connecting hole spiro union.
Through setting up like this, should dismantle connected mode simple and practical, convenient operation, the processing cost is low.
The utility model has the advantages that: the pushing assembly is used for pushing the steel cylinders on the material dragging frame into the rail and sequentially pushing the steel cylinders into the furnace chamber. Intermediate frequency induction heating subassembly external power supply and switch through intermediate frequency induction heating subassembly's setting, can carry out quick induction heating to the steel bottle that gets into the heating section, and the steel bottle generates heat by oneself under the electromagnetic induction effect for the heat can fully be used for heating the steel bottle, can effectively improve heating efficiency.
The preheating section and the heat preservation section can reduce the diffusion speed of the heat dissipated by the heating section, and the preheating section can preheat the steel cylinder which just enters the furnace chamber, so that the heating efficiency of the steel cylinder when entering the heating section is further improved. The heat preservation section can keep warm to the steel bottle after the heating to improve the heat treatment effect of steel bottle.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic view showing a connecting structure of the restraint assembly and the heat retaining section in example 2.
Reference numerals: 1. a furnace body; 11. a furnace chamber; 12. a heat-insulating layer; 13. a preheating section; 14. a heating section; 141. a medium frequency induction heating assembly; 15. a heat preservation section; 151. connecting holes; 2. a track; 21. a water outlet; 22. a water inlet; 3. a push assembly; 31. a cylinder; 32. pushing the plate; 4. a material dragging frame; 5. a restraining component; 51. an outer cylinder; 52. an inner rod; 53. an elastic member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1:
referring to fig. 1 a medium frequency induction electric heating steel bottle heat treatment furnace that shows, including furnace body 1 and track 2, furnace body 1 is square including the furnace chamber 11 that supplies the steel bottle to carry, and furnace chamber 1 outer wall cross section sets up to circular, and track 2 passes furnace chamber 11, is provided with water channel in the track 2, and water channel runs through track 2 length both ends, and water channel is close to and drags 4 one end of work or material rest to set up to delivery port 21, and water channel keeps away from and drags 4 one end of work or material rest to set up to water inlet 22. The water inlet 22 is externally connected with a water pump and a cold water source, and the water pump presses cold water into the water passage through the water inlet 22 and finally discharges the cold water from the water outlet 21, so that the track 2 is cooled.
Referring to fig. 1, a heat insulation layer 12 is filled between the outer side wall and the inner side wall of the furnace body 1, the furnace body 1 comprises a preheating section 13, a heating section 14 and a heat insulation section 15 which are connected in sequence, and the preheating section 13, the heating section 14 and the heat insulation section 15 can be fixed in a welding or other connection mode.
The furnace body 1 is arranged obliquely, the height of the preheating section 13 is higher than that of the heat preservation section 15, and the inclination angle is 5-40 degrees.
Referring to fig. 1, the heating section 14 is provided with a medium frequency induction heating unit 141 for heating the furnace body 1. The intermediate frequency induction heating assembly 141 is an intermediate frequency heating coil, and the intermediate frequency heating coil is externally connected with a power supply and a switch, and can also be connected with a controller for controlling the start and stop of the intermediate frequency heating coil. The central axis of the medium-frequency heating coil coincides with the central axis of the steel cylinder when the steel cylinder passes through the furnace chamber 11. The intermediate frequency heating coils are provided with two, and the two intermediate frequency heating coils are respectively positioned at two ends of the heating section 14.
Referring to fig. 1, the heating furnace further comprises a pushing assembly 3 and a material dragging frame 4, the material dragging frame is used for placing steel cylinders, two ends of the material dragging frame 4 are respectively connected with the preheating section 13 and the pushing assembly 3, and the pushing assembly 3 is used for pushing the steel cylinders on the material dragging frame 4 to the track 2. The pushing component 3 comprises a cylinder 31 and a pushing plate 32, a telescopic rod of the cylinder 31 is connected with the pushing plate 32, the length direction of the telescopic rod is perpendicular to the pushing plate 32, and the cylinder 31 pushes the steel cylinder through the pushing plate 32.
The working principle is as follows: the steel cylinder is placed on the material dragging frame 4, the pushing assembly 3 pushes the steel cylinder into the furnace chamber 11, and simultaneously pushes out the steel cylinder after heat treatment in the furnace chamber 11. The furnace body 1 is obliquely arranged, so that the sliding resistance of the steel cylinder between the rails 2 is reduced, or the steel cylinder can automatically slide downwards on the rails 2 under the action of gravity. The steel bottle enters into preheating section 13 earlier and preheats, then through heating section 14, the intermediate frequency induction heating coil of heating section 14 carries out rapid heating to the steel bottle, and the steel bottle enters into heat preservation section 15 at last and keeps warm. At the same time, the water inlet 22 is continuously supplied with cold water for cooling the rail 2.
Example 2:
referring to fig. 2, this embodiment is different from embodiment 1 in that: one end of the heat preservation section 15, which is far away from the heating section 14, is provided with a plurality of limiting assemblies 5, the limiting assemblies 5 are used for blocking the steel cylinders from automatically sliding out of the furnace body 1, and the plurality of limiting assemblies 5 are annularly and uniformly distributed along the central axis of the furnace chamber 11.
Referring to fig. 2, the limiting assembly 5 includes an outer cylinder 51 and an inner rod 52, wherein one end of the outer cylinder 51 is closed, the inner rod 52 is slidably connected in the outer cylinder 51, an elastic member 53 is arranged between the inner rod 52 and the bottom of the outer cylinder 51, the elastic member 53 is a spring, and two ends of the spring are respectively connected with the inner rod 52 and the outer cylinder 51. One end of the inner rod 52, which is far away from the elastic piece 53, is set to be a hemisphere shape abutting against the steel cylinder, the outer cylinder 51 is arranged in the heat preservation section 15, and the lower part of the inner rod 52 extends into the furnace chamber 11 under the elastic force of the elastic piece 53. The heat retaining section 15 is provided with a coupling hole 151, and the outer wall of the outer tub 51 is screwed with the coupling hole 151.
The working principle is as follows:
the steel cylinder is placed on the material dragging frame 4, the pushing assembly 3 pushes the steel cylinder into the furnace chamber 11, and simultaneously pushes out the steel cylinder after heat treatment in the furnace chamber 11. The furnace body 1 is obliquely arranged, so that the sliding resistance of the steel cylinder between the rails 2 is reduced, or the steel cylinder can automatically slide downwards on the rails 2 under the action of gravity. The steel bottle enters into preheating section 13 earlier and preheats, then through heating section 14, the intermediate frequency induction heating coil of heating section 14 carries out rapid heating to the steel bottle, and the steel bottle enters into heat preservation section 15 at last and keeps warm. At the same time, the water inlet 22 is continuously supplied with cold water for cooling the rail 2.
When the pushing assembly 3 does not push the steel cylinder, the inner rod 52 prevents the steel cylinder from automatically sliding out of the furnace chamber 11 under the action of gravity; when pushing assembly 3 promoted the steel bottle, steel bottle extrusion interior pole 52 for interior pole 52 slides in to urceolus 51, until interior pole 52 can't hinder the steel bottle and slide, after a steel bottle slides, interior pole 52 resets under the spring action of elastic component 53, thereby makes interior pole 52 resume the gliding restriction effect of next steel bottle. Thereby effectively preventing the steel cylinder from automatically sliding out of the furnace chamber 11 under the action of gravity and being beneficial to maintaining the orderly heat treatment of the steel cylinder one by one.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a medium frequency induction electric heating steel bottle heat treatment furnace, includes furnace body (1) and track (2), furnace body (1) is including furnace chamber (11) that supply the steel bottle to carry, track (2) pass furnace chamber (11), its characterized in that: a heat insulation layer (12) is filled between the outer side wall and the inner side wall of the furnace body (1), the furnace body (1) comprises a preheating section (13), a heating section (14) and a heat insulation section (15) which are sequentially connected, and a medium-frequency induction heating assembly (141) for heating the furnace body (1) is arranged on the heating section (14);
the heating furnace further comprises a pushing assembly (3) and a material dragging frame (4), wherein the material dragging frame (4) is used for placing steel cylinders, two ends of the material dragging frame (4) are respectively connected with the preheating section (13) and the pushing assembly (3), and the pushing assembly (3) is used for pushing the steel cylinders on the material dragging frame (4) to the track (2).
2. The medium-frequency induction electric heating steel cylinder heat treatment furnace of claim 1, characterized in that: be provided with water channel in track (2), water channel runs through track (2) length both ends, water channel is close to drag work or material rest (4) one end sets up into delivery port (21), water channel is kept away from drag work or material rest (4) one end sets up into water inlet (22).
3. The medium-frequency induction electric heating steel cylinder heat treatment furnace of claim 1, characterized in that: the medium-frequency induction heating assembly (141) is a medium-frequency heating coil, and the central axis of the medium-frequency heating coil coincides with the central axis of the steel cylinder when the steel cylinder passes through the furnace chamber (11).
4. The medium-frequency induction electric heating steel cylinder heat treatment furnace of claim 3, characterized in that: the intermediate frequency heating coils are at least two, and the two intermediate frequency heating coils are respectively positioned at two ends of the heating section (14).
5. The medium-frequency induction electric heating steel cylinder heat treatment furnace of claim 1, characterized in that: the pushing assembly (3) comprises a cylinder (31) and a push plate (32), the telescopic rod of the cylinder (31) is connected with the push plate (32), the length direction of the telescopic rod is perpendicular to the push plate (32), and the cylinder (31) pushes the steel cylinder through the push plate (32).
6. The medium-frequency induction electric heating steel cylinder heat treatment furnace of claim 1, characterized in that: the furnace body (1) is obliquely arranged, the height of the preheating section (13) is higher than that of the heat preservation section (15), and the inclination angle is 5-40 degrees.
7. The medium-frequency induction electric heating steel cylinder heat treatment furnace of claim 6, characterized in that: the one end that heating section (14) were kept away from in heat preservation section (15) is provided with and is used for blockking the restriction subassembly (5) of steel bottle self-following furnace body (1) interior roll-off, restriction subassembly (5) are including urceolus (51), interior pole (52), urceolus (51) one end is sealed, interior pole (52) sliding connection is in urceolus (51), be provided with elastic component (53) between the bobbin base of interior pole (52) and urceolus (51), interior pole (52) are kept away from the one end of elastic component (53) sets up to be used for the hemisphere of contradicting with the steel bottle, urceolus (51) set up in heat preservation section (15), interior pole (52) in the elastic action part of elastic component (53) stretches into down in furnace chamber (11).
8. The medium-frequency induction electric heating steel cylinder heat treatment furnace of claim 7, characterized in that: the limiting assemblies (5) are arranged in a plurality, and the limiting assemblies (5) are uniformly distributed in an annular mode along the central axis of the furnace chamber (11).
9. The medium-frequency induction electric heating steel cylinder heat treatment furnace of claim 7, characterized in that: the outer cylinder (51) is detachably connected with the heat preservation section (15).
10. The medium-frequency induction electric heating steel cylinder heat treatment furnace of claim 9, characterized in that: the heat preservation section (15) is provided with a connecting hole (151), and the outer wall of the outer barrel (51) is in threaded connection with the connecting hole (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021409470.0U CN212894857U (en) | 2020-07-16 | 2020-07-16 | Medium-frequency induction electric heating steel cylinder heat treatment furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021409470.0U CN212894857U (en) | 2020-07-16 | 2020-07-16 | Medium-frequency induction electric heating steel cylinder heat treatment furnace |
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| CN212894857U true CN212894857U (en) | 2021-04-06 |
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| CN202021409470.0U Active CN212894857U (en) | 2020-07-16 | 2020-07-16 | Medium-frequency induction electric heating steel cylinder heat treatment furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862437A (en) * | 2021-10-29 | 2021-12-31 | 浙江民泰钢瓶有限公司 | Annealing furnace for producing liquefied gas steel cylinder |
| CN113981202A (en) * | 2021-10-29 | 2022-01-28 | 浙江民泰钢瓶有限公司 | Annealing furnace for producing liquefied gas steel cylinder |
-
2020
- 2020-07-16 CN CN202021409470.0U patent/CN212894857U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862437A (en) * | 2021-10-29 | 2021-12-31 | 浙江民泰钢瓶有限公司 | Annealing furnace for producing liquefied gas steel cylinder |
| CN113981202A (en) * | 2021-10-29 | 2022-01-28 | 浙江民泰钢瓶有限公司 | Annealing furnace for producing liquefied gas steel cylinder |
| CN113862437B (en) * | 2021-10-29 | 2023-05-23 | 浙江民泰钢瓶有限公司 | Annealing furnace for liquefied gas steel cylinder production |
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