CN210399934U - Rubber-plastic plate hot air heating furnace - Google Patents
Rubber-plastic plate hot air heating furnace Download PDFInfo
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- CN210399934U CN210399934U CN201920837113.5U CN201920837113U CN210399934U CN 210399934 U CN210399934 U CN 210399934U CN 201920837113 U CN201920837113 U CN 201920837113U CN 210399934 U CN210399934 U CN 210399934U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
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Abstract
The utility model discloses a rubber-plastic plate hot air heating furnace, which comprises a furnace body, wherein an air inlet chamber and an air return chamber are arranged above the furnace body, the air inlet chamber is communicated with the air return chamber, and a circulating fan is arranged at the communication part of the air inlet chamber and the air return chamber; a plurality of groups of air inlets are sequentially arranged at the connecting part of the air inlet chamber and the furnace body, and an air inlet pipeline is correspondingly arranged at the opening part of each air inlet; a plurality of first through holes are formed in the pipe wall, far away from the inner wall of the furnace body, of the air inlet pipeline; a plurality of groups of air return ports are sequentially arranged at the joint of the air return chamber and the furnace body, and an air return pipeline is correspondingly arranged at the opening part of each air return port; a second through hole is formed in the pipe wall, far away from the inner wall of the furnace body, of the air return pipeline; the air inlet pipeline and the air return pipeline are arranged at intervals. The utility model discloses a hot-blast upper and lower surface that covers in the work piece completely guarantees that every local heating of work piece is even, has both solved the uneven problem of temperature in the user's production, has reduced investment cost again, has promoted product quality and the competitiveness in the rubber and plastic trade by a wide margin.
Description
Technical Field
The invention belongs to the technical field of heat treatment heating furnaces, and particularly relates to a rubber-plastic plate hot air heating furnace.
Background
At present, the domestic enterprise for manufacturing the rubber-plastic plate generally adopts a hot air heating mode of air inlet and air return, but because the workpiece is a whole plate, the whole plate is arranged at the middle position in the furnace body, the circulation of hot air in the furnace body is easily blocked, the bottom of the workpiece is quickly heated, the upper part of the workpiece cannot be heated, the workpiece is not uniformly heated, and the product quality cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a rubber-plastic plate hot air heating furnace aiming at the defects of the prior art.
The invention is realized by the following technical scheme:
the rubber-plastic plate hot air heating furnace comprises a furnace body, wherein a plurality of roller rods are arranged in parallel at the position close to the lower middle part in the furnace body, two ends of each roller rod are fixedly connected with the side wall of the furnace body, a workpiece is placed on each roller rod, an air inlet chamber and an air return chamber are arranged above the furnace body, the air inlet chamber is communicated with the air return chamber, a circulating fan is arranged at the communication position of the air inlet chamber and the air return chamber, the circulating fan comprises an air suction end and an air blowing end, the air blowing end faces the direction of the air inlet chamber, the air suction end faces the direction of the air return chamber, and the circulating fan sucks air in the air return chamber through the air suction end and ventilates the air inlet chamber through the air; a plurality of groups of air inlets are sequentially arranged at the connecting part of the air inlet chamber and the furnace body, an air inlet pipeline is correspondingly arranged at the opening part of each air inlet, and the air inlets are connected with the air inlet pipelines; the air inlet pipelines are arranged along the inner wall of the furnace body and are parallel to each other; a plurality of first through holes are formed in the pipe wall, far away from the inner wall of the furnace body, of the air inlet pipeline, and hot air in the air inlet pipeline enters the furnace body through the first through holes to heat the workpiece; a plurality of groups of air return ports are sequentially arranged at the joint of the air return chamber and the furnace body, an air return pipeline is correspondingly arranged at the mouth part of each air return port, and the air return ports are connected with the air return pipelines; the air return pipelines are arranged along the inner wall of the furnace body and are parallel to each other; a second through hole is formed in the pipe wall, far away from the inner wall of the furnace body, of the air return pipeline, hot air in the furnace body enters the air return pipeline through the second through hole and is sucked into the air return chamber by the circulating fan; the air inlet pipeline and the air return pipeline are both of square structures with one open side, the opening of the air inlet pipeline points to the side face of the furnace body, the opening of the air return pipeline points to the top face of the furnace body, and the air inlet pipeline and the air return pipeline are arranged at intervals.
The invention further solves the technical problem that one end of the air inlet pipeline is tightly attached to the top of the furnace body, and the other end of the air inlet pipeline extends to the bottom of the furnace body along the right side wall of the furnace body; one end of the return air pipeline is tightly attached to the left side wall of the furnace body, and the other end of the return air pipeline extends to the right side wall of the furnace body along the bottom of the furnace body.
The invention further solves the technical problem that the first through holes are formed in the pipe walls of the air inlet pipes at the top and the bottom of the furnace body, air is fed downwards into the first through holes at the top, and air is fed upwards into the first through holes at the bottom.
The invention further solves the technical problem that two second through holes are arranged on the air return pipelines on the left side wall and the right side wall of the furnace body, the two second through holes are symmetrically arranged, and the height of the second through holes is the same as that of the roller rods.
The invention further solves the technical problem that the aperture of the first through hole and the aperture of the second through hole are 15-20 cm.
The invention further solves the technical problem that a plurality of groups of heaters are arranged in the air return chamber, and the heaters are fixedly connected with the top of the air return chamber and used for heating the gas entering the air return chamber.
The invention further solves the technical problem that an air adjusting device is arranged in the air inlet and is of a double-layer structure consisting of a fixed plate and a movable plate, the fixed plate is fixedly arranged at the opening part of the air inlet, the length of the fixed plate is greater than the diameter of the air inlet, and the movable plate is arranged at the lower side of the fixed plate and can horizontally slide relative to the fixed plate; the surfaces of the fixed plate and the movable plate are uniformly distributed with a plurality of groups of third through holes, and when the movable plate and the fixed plate are completely superposed, the third through holes on the surfaces of the fixed plate and the movable plate are superposed up and down.
The invention further solves the technical problem that two platforms are symmetrically arranged at the bottom of the fixed plate, the movable plate is inserted into the platforms and positioned below the fixed plate, and the end part of the movable plate moving along the horizontal direction is provided with a pull rod which is fixedly arranged at the corresponding position of the outer side wall of the furnace body.
Compared with the prior art, the invention has the following advantages:
according to the invention, the air inlet chamber and the air return chamber are arranged on the furnace body, hot air enters the furnace body from the air inlet chamber under the operation of the circulating fan, the hot air is completely covered on the upper surface and the lower surface of a workpiece under the conveying of the air inlet pipeline, the uniform heating of each part of the workpiece is ensured, redundant hot air is re-returned to the air return chamber under the absorption of the rotary fan through the air return pipeline, and enters the air inlet chamber again after being re-heated in the air return chamber, so that the hot air is ensured to be in a state of heating the workpiece all the time. The heating furnace solves the problem of uneven temperature in the production of users, reduces the investment cost, and greatly improves the product quality and the competitive strength in the rubber and plastic industry.
Drawings
FIG. 1 is a front cross-sectional view of the present invention.
FIG. 2 is a right side sectional view of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic view of the air inlet duct and the air inlet direction according to the present invention.
Fig. 5 is a schematic view of the return air duct and the direction of the return air according to the present invention.
Fig. 6 is a top view of the air register of the present invention.
Fig. 7 is a side view of the air register of the present invention.
In the figure, the number is 1-furnace body, 2-roller, 3-workpiece, 4-air inlet chamber, 5-air return chamber, 6-ring blower, 7-heater, 8-air adjusting device, 41-air inlet, 42-air inlet pipe, 51-air return inlet, 52-air return pipe, 61-air suction end, 62-air blowing end, 81-fixing plate, 82-movable plate, 83-third through hole, 421-first through hole, 521-second through hole, 811-platform and 821-pull rod.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1-2, the rubber-plastic plate hot air heating furnace comprises a furnace body 1, wherein a plurality of roller rods 2 are arranged in parallel at a position below the middle part in the furnace body 1, two ends of each roller rod 2 are fixedly connected with the side wall of the furnace body 1, a workpiece 3 is placed on each roller rod 2, an air inlet chamber 4 and an air return chamber 5 are arranged above the furnace body 1, the air inlet chamber 4 is communicated with the air return chamber 5, a circulating fan 6 is arranged at the communication position of the air inlet chamber 4 and the air return chamber 5, the circulating fan 6 comprises an air suction end 61 and an air blowing end 62, the air blowing end 62 is opposite to the direction of the air inlet chamber 4, the air suction end 61 is opposite to the direction of the air return chamber 5, the circulating fan 6 sucks air in the air return chamber 5 through the air suction end 61, and ventilates the air into the; a plurality of groups of air inlets 41 are sequentially arranged at the connection part of the air inlet chamber 4 and the furnace body 1, an air inlet pipeline 42 is correspondingly arranged at the opening part of each air inlet 41, and the air inlets 41 are connected with the air inlet pipelines 42; the air inlet pipelines 42 are arranged along the inner wall 1 of the furnace body, and all the air inlet pipelines 42 are parallel to each other; a plurality of first through holes 421 are arranged on the pipe wall of the air inlet pipe 42 far away from the inner wall of the furnace body 1, and hot air in the air inlet pipe 42 enters the furnace body 1 through the first through holes 421 to heat the workpiece 3; a plurality of groups of air return ports 51 are sequentially arranged at the connection part of the air return chamber 5 and the furnace body 1, an air return pipeline 52 is correspondingly arranged at the mouth part of each air return port 51, and the air return ports 51 are connected with the air return pipelines 52; the air return pipelines 52 are arranged along the inner wall of the furnace body 1, and the air return pipelines 52 are parallel to each other; the pipe wall of the air return pipeline 52 far away from the inner wall of the furnace body is provided with a second through hole 521, hot air in the furnace body 1 enters the air return pipeline 52 through the second through hole 521 and is sucked into the air return chamber 5 by the circulating fan 6; the air inlet pipeline 42 and the air return pipeline 52 are both of a square structure with an opening on one surface, the opening of the air inlet pipeline 42 points to the side surface of the furnace body, the opening of the air return pipeline 52 points to the top surface of the furnace body, and the air inlet pipeline 42 and the air return pipeline 52 are arranged at intervals.
In the embodiment, referring to fig. 2, one end of the air inlet duct 42 is tightly attached to the top of the furnace body 1, and the other end extends to the bottom of the furnace body 1 along the right side wall of the furnace body 1; one end of the return air duct 52 is tightly attached to the left side wall of the furnace body 1, and the other end extends to the right side wall of the furnace body 1 along the bottom of the furnace body 1. The pipeline that is located the lateral wall is located between two adjacent roller bars, avoids producing the interference.
In this embodiment, referring to fig. 3-4, the first through holes 421 are disposed on the walls of the air inlet duct 42 at the top and the bottom of the furnace body, the first through holes 421 at the top intake air downwards, and the first through holes 421 at the bottom intake air upwards, so that the upper and lower surfaces of the workpiece can be simultaneously heat-treated, and the situation that when the workpiece is too large, the upward diffusion of hot air is blocked in the conventional structure is avoided.
In this embodiment, referring to fig. 5, two second through holes 521 are provided, and are located on the air return duct 52 on the left side wall and the right side wall of the furnace body, the two second through holes 521 are symmetrically arranged, the height of the second through holes 521 is the same as that of the roller rod 2, and hot air in the furnace body 1 can enter the air return duct 52 from the second through holes 521 under the action of the circulating fan and then enter the air return chamber 5, so that the circulation of air in the furnace body 1 is ensured.
In this embodiment, the aperture of the first through hole 421 and the second through hole 521 is 15-20 cm.
In this embodiment, a plurality of sets of heaters 7 are disposed in the air return chamber 5, and the heaters 7 are fixedly connected to the top of the air return chamber 5 and used for heating the air entering the air return chamber 5.
In this embodiment, referring to fig. 6 to 7, the air inlet 41 is provided with an air adjusting device 8, the air adjusting device 8 is a double-layer structure composed of a fixed plate 81 and a movable plate 82, the fixed plate 81 is fixedly installed at the opening of the air inlet 41, the length of the fixed plate 81 is greater than the diameter of the air inlet 41, and the movable plate 82 is arranged at the lower side of the fixed plate 81 and can horizontally slide relative to the fixed plate 81; multiple groups of third through holes 83 are uniformly distributed on the surfaces of the fixed plate 81 and the movable plate 82, and when the movable plate 82 and the fixed plate 81 are completely overlapped, the third through holes 83 on the surfaces of the fixed plate 81 and the movable plate 82 are overlapped up and down. The bottom of the fixed plate 81 is symmetrically provided with two platforms 811, the movable plate 82 is inserted into the platforms 811 and positioned below the fixed plate 81, the end of the movable plate 82 moving along the horizontal direction is provided with a pull rod 821, and the pull rod 821 is fixedly arranged at the corresponding position of the outer side wall of the furnace body 1. After the pull rod 821 is pulled, the movable plate 82 can move horizontally relative to the fixed plate 81, and at this time, the third through hole 83 overlapped with the upper and lower spaces on the surface of the fixed plate 81 and the movable plate 82 generate horizontal displacement, so that the aperture of the third through hole 83 is reduced, thereby indirectly reducing the speed of hot air entering the furnace body 1 from the air inlet chamber 4 and achieving the effect of controlling the air volume.
The specific working process is as follows:
placing a workpiece 3 on a roller rod 2 in a furnace body 1 of the invention, starting a circulating fan 6, wherein the circulating fan 6 adopts a common type 4-76NO6C fan, the blowing end 62 of the circulating fan 6 blows air to an air inlet chamber 4, then hot air enters an air inlet pipeline 42 through an air inlet 41, the air inlet pipeline 42 is arranged around the inner wall of the furnace body, and the hot air in the pipeline respectively enters the furnace body from first through holes 421 formed in the surfaces of the air inlet pipeline 42 at the top and the bottom to uniformly heat the workpiece 3; in the heat treatment process, the hot air in the furnace body 1 can also enter the air return pipeline 52 from the second through hole 521 under the action of the circulating fan 6 and then enter the air return chamber 5, so that the circulation of the air in the furnace body 1 is ensured, and the process of continuously heating the workpiece 3 is repeated. In order to maintain the temperature of the hot air entering the air return chamber 5, a heater 7 is also arranged in the air return chamber 5 to heat the hot air, and the heating temperature is controlled to be 200 ℃; when the air quantity passing through the air inlet 41 is too large, the pull rod 821 positioned on the side wall of the furnace body can be pulled, and the air quantity is adjusted by controlling the air adjusting device 8 positioned at the air inlet 41.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (8)
1. Rubber plastic plate hot air heating furnace, including furnace body (1), the middle part position parallel that leans on down is equipped with a plurality of roller sticks (2) in furnace body (1), and the both ends and furnace body (1) lateral wall fixed connection of roller stick (2) have placed work piece (3), its characterized in that on roller stick (2): an air inlet chamber (4) and an air return chamber (5) are arranged above the furnace body (1), the air inlet chamber (4) is communicated with the air return chamber (5), a circulating fan (6) is arranged at the communication position of the air inlet chamber (4) and the air return chamber (5), the circulating fan (6) comprises an air suction end (61) and an air blowing end (62), the air blowing end (62) is opposite to the direction of the air inlet chamber (4), the air suction end (61) is opposite to the direction of the air return chamber (5), the circulating fan (6) sucks the air in the air return chamber (5) through the air suction end (61), and then ventilates the air inlet chamber (4) through the air blowing end (62) to form circulation; a plurality of groups of air inlets (41) are sequentially arranged at the connection part of the air inlet chamber (4) and the furnace body (1), an air inlet pipeline (42) is correspondingly arranged at the opening part of each air inlet (41), and the air inlets (41) are connected with the air inlet pipelines (42); the air inlet pipelines (42) are arranged along the inner wall of the furnace body (1), and the air inlet pipelines (42) are parallel to each other; a plurality of first through holes (421) are formed in the pipe wall, far away from the inner wall of the furnace body (1), of the air inlet pipe (42), and hot air in the air inlet pipe (42) enters the furnace body (1) through the first through holes (421) to heat the workpiece (3); a plurality of groups of air return ports (51) are sequentially arranged at the connection part of the air return chamber (5) and the furnace body (1), an air return pipeline (52) is correspondingly arranged at the opening part of each air return port (51), and the air return ports (51) are connected with the air return pipelines (52); the air return pipelines (52) are arranged along the inner wall of the furnace body (1), and the air return pipelines (52) are parallel to each other; a second through hole (521) is formed in the pipe wall, far away from the inner wall of the furnace body, of the air return pipeline (52), hot air in the furnace body (1) enters the air return pipeline (52) through the second through hole (521), and is sucked into the air return chamber (5) by the circulating fan (6); the air inlet pipeline (42) and the air return pipeline (52) are both of a square structure with an opening on one surface, the opening of the air inlet pipeline (42) points to the side surface of the furnace body, the opening of the air return pipeline (52) points to the top surface of the furnace body, and the air inlet pipeline (42) and the air return pipeline (52) are arranged at intervals.
2. The rubber-plastic plate hot air heating furnace according to claim 1, characterized in that: one end of the air inlet pipeline (42) is tightly attached to the top of the furnace body (1), and the other end of the air inlet pipeline extends to the bottom of the furnace body (1) along the right side wall of the furnace body (1); one end of the air return pipeline (52) is tightly attached to the left side wall of the furnace body (1), and the other end of the air return pipeline extends to the right side wall of the furnace body (1) along the bottom of the furnace body (1).
3. The rubber-plastic plate hot air heating furnace according to claim 2, characterized in that: the first through holes (421) are arranged on the pipe walls of the air inlet pipes (42) at the top and the bottom of the furnace body, air enters downwards from the first through holes (421) at the top, and air enters upwards from the first through holes (421) at the bottom.
4. The rubber-plastic plate hot air heating furnace according to claim 3, characterized in that: the two second through holes (521) are arranged on the air return pipelines (52) on the left side wall and the right side wall of the furnace body, the two second through holes (521) are symmetrically arranged, and the height of the second through holes (521) is the same as that of the roller rods (2).
5. The rubber-plastic plate hot air heating furnace according to claim 4, characterized in that: the aperture of the first through hole (421) and the second through hole (521) is 15-20 cm.
6. The rubber-plastic plate hot air heating furnace according to claim 1, characterized in that: a plurality of groups of heaters (7) are arranged in the air return chamber (5), and the heaters (7) are fixedly connected with the top of the air return chamber (5) and used for heating the air entering the air return chamber (5).
7. The rubber-plastic plate hot air heating furnace according to claim 1, characterized in that: the air inlet (41) is provided with an air adjusting device (8), the air adjusting device (8) is of a double-layer structure consisting of a fixed plate (81) and a movable plate (82), the fixed plate (81) is fixedly arranged at the opening of the air inlet (41), the length of the fixed plate (81) is greater than the diameter of the air inlet (41), and the movable plate (82) is arranged at the lower side of the fixed plate (81) and can horizontally slide relative to the fixed plate (81); the surfaces of the fixed plate (81) and the movable plate (82) are uniformly distributed with a plurality of groups of third through holes (83), and when the movable plate (82) and the fixed plate (81) are completely overlapped, the third through holes (83) on the surfaces of the fixed plate (81) and the movable plate (82) are overlapped up and down.
8. The rubber-plastic plate hot air heating furnace according to claim 7, characterized in that: the bottom of the fixed plate (81) is symmetrically provided with two platforms (811), the movable plate (82) is inserted below the fixed plate (81) and the platforms (811) are located, the end part of the movable plate (82) moving along the horizontal direction is provided with a pull rod (821), and the pull rod (821) is fixedly arranged at the corresponding position of the outer side wall of the furnace body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837113.5U CN210399934U (en) | 2019-06-05 | 2019-06-05 | Rubber-plastic plate hot air heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837113.5U CN210399934U (en) | 2019-06-05 | 2019-06-05 | Rubber-plastic plate hot air heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210399934U true CN210399934U (en) | 2020-04-24 |
Family
ID=70348202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920837113.5U Withdrawn - After Issue CN210399934U (en) | 2019-06-05 | 2019-06-05 | Rubber-plastic plate hot air heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210399934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173983A (en) * | 2019-06-05 | 2019-08-27 | 紫江炉业南京有限公司 | Rubber and plastic boards hot-blast heater |
-
2019
- 2019-06-05 CN CN201920837113.5U patent/CN210399934U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173983A (en) * | 2019-06-05 | 2019-08-27 | 紫江炉业南京有限公司 | Rubber and plastic boards hot-blast heater |
| CN110173983B (en) * | 2019-06-05 | 2024-04-23 | 紫江炉业南京有限公司 | Hot air heating furnace for rubber and plastic plate |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200424 Effective date of abandoning: 20240423 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200424 Effective date of abandoning: 20240423 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |