CN217595095U - Pressure relief device for drying oven of coating machine - Google Patents
Pressure relief device for drying oven of coating machine Download PDFInfo
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- CN217595095U CN217595095U CN202220047510.4U CN202220047510U CN217595095U CN 217595095 U CN217595095 U CN 217595095U CN 202220047510 U CN202220047510 U CN 202220047510U CN 217595095 U CN217595095 U CN 217595095U
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Abstract
The utility model provides a be applied to coating machine technical field's coating machine oven pressure relief device, including oven body (1), oven body (1) one side sets up intake stack (2), oven body (1) opposite side sets up air-out pipeline (3), oven body (1) upper portion sets up pressure release mouth (4), pressure release mouth (4) position sets up pressure release board (5) that can shelter from pressure release mouth (4), pressure release mouth (4) one side sets up base (6), pressure release board (5) are articulated through pivot (7) and connecting seat (7) activity. Coating machine oven pressure relief device, simple structure, can be in real time, accurate this internal pressure state of oven is adjusted through the pressure release for this internal negative pressure operating condition that is in of oven avoids taking place this internal malleation state of oven and causes the explosion accident of starting a fire, ensures the work of coating machine safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of the coating machine, more specifically say, relate to a coating machine oven pressure relief device.
Background
Except for an air inlet pipe (air inlet) and an air outlet pipe (air outlet), other directions of the baking oven of the coating machine are in a sealed state, the air inlet is continuously output by a fresh air fan and is thermally sealed into the baking oven body, and the air outlet continuously discharges the gas in the baking oven out of the baking oven by an air exhaust motor. Under normal conditions, the air intake of the oven is always smaller than the air exhaust of the oven, namely the inside of the oven is kept in a negative pressure state. If the temperature of the oven is not enough, the opening ratio of the air inlet valve needs to be increased, the temperature is increased by increasing the air inlet amount, or the opening ratio of the air exhaust valve is reduced, the air exhaust amount is reduced to maintain high temperature, no matter which condition is adopted, the interior of the oven is easily changed from a negative pressure state to a positive pressure state, and because the content of the solvent in the oven is large, when the positive pressure state is continuously output and reaches a critical point, fire and explosion can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: the coating machine drying oven pressure relief device is simple in structure, can accurately adjust the pressure state in the drying oven body through pressure relief in real time, enables the drying oven body to be in a negative pressure working state, avoids the occurrence of fire explosion accidents caused by the positive pressure state in the drying oven body, and ensures safe and reliable work of a coating machine.
To solve the technical problem, the utility model discloses the technical scheme who takes does:
the utility model relates to a coating machine oven pressure relief device, including oven body, oven body one side sets up the intake stack, and the oven body opposite side sets up the air-out pipeline, and oven body upper portion sets up the pressure release mouth, and the pressure release mouth position sets up the pressure release board that can shelter from the pressure release mouth, and pressure release mouth one side sets up the connecting seat, and the pressure release board is through pivot and connecting seat activity hinge joint.
When the oven body of the coating machine oven pressure relief device is in a negative pressure state, the pressure relief plate is set to be in a structure capable of being in a closed state.
When the oven body of the pressure relief device of the coating machine oven is in a positive pressure state, the pressure relief plate is in an open state.
The edge of the pressure relief plate is clamped with the sealing strip.
The coating machine drying oven pressure relief device is characterized in that a pressure sensor is arranged in the drying oven body, a telescopic cylinder is arranged between the back face of the pressure relief plate and the upper portion of the drying oven body, and the pressure sensor and the telescopic cylinder are respectively connected with a control part.
The pressure sensor of the coating machine drying oven pressure relief device is of a structure capable of feeding back actual pressure numerical value signals in the drying oven body to the control part in real time.
The control component is set to be a structure capable of controlling the pressure relief plate to switch between the opening state and the closing state according to a real-time pressure numerical value signal fed back by the pressure sensor.
When the real-time pressure value signal fed back by the pressure sensor is in a negative pressure state, the control part is set to be capable of controlling the telescopic cylinder to extend out, so that the pressure relief plate is pushed to be in a closed state.
When the real-time pressure numerical value signal fed back by the pressure sensor is in a positive pressure state, the control part is set to be capable of controlling the telescopic cylinder to contract, so that the pressure relief plate is pulled to be in a structure in an open state.
The telescopic cylinder is movably hinged with the connecting seat at the upper part of the oven body.
Adopt the technical scheme of the utility model, can obtain following beneficial effect:
coating machine oven pressure relief device, to the not enough technological improvement that provides among the prior art, oven body upper portion sets up the pressure release mouth, pressure release mouth position installation pressure release board, pressure release board and oven body upper portion activity hinge joint, like this, pressure release board self has weight, when this internal negative pressure and the pressure-fired state of being in of oven, under the self weight state of pressure release board, pressure release board is in the closed condition for oven body is inside can keep under negative pressure and pressure-fired state. In case oven body internal pressure surpasss the critical point, becomes the malleation state, oven body internal pressure is greater than external pressure this moment, and pressure differential is unbalanced, this moment, under the effect of this internal pressure of oven, will push away the pressure release board, through the inside pressure of pressure release mouth outside release oven body, dilutent solvent steam concentration for oven body inside and outside pressure differential is balanced, avoids arousing explosion and the accident of starting a fire, ensures coating machine work security. Coating machine oven pressure relief device, simple structure, it is with low costs, can be in real time, accurate through the pressure release this internal pressure state of oven for this internal negative pressure operating condition that is in of oven avoids taking place this internal malleation state of oven and causes the explosion accident that catches fire, ensures the work of coating machine safe and reliable.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic structural view of embodiment 1 of a coating machine oven pressure relief device according to the present invention;
fig. 2 is a schematic structural view of embodiment 2 of the pressure relief device of the oven of the coating machine of the present invention;
in the drawings, the reference numbers are respectively: 1. a baking oven body; 2. an air inlet pipeline; 3. an air outlet pipeline; 4. a pressure relief port; 5. a pressure relief plate; 6. a base; 7. a rotating shaft; 8. a sealing strip; 9. a pressure sensor; 10. a telescopic cylinder; 11. a connecting seat.
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be further described in detail, such as the shapes and structures of the components, the mutual positions and connections between the components, the functions and operation principles of the components, etc. according to the embodiments of the present invention:
as shown in the accompanying drawing 1, the utility model relates to a coating machine oven pressure relief device, including oven body 1, oven body 1 one side sets up intake stack 2, and oven body 1 opposite side sets up air-out pipeline 3, and oven body 1 upper portion sets up pressure release mouth 4, and pressure release mouth 4 position sets up pressure release board 5 that can shelter from pressure release mouth 4, and pressure release mouth 4 one side sets up base 6, and pressure release board 5 is articulated through pivot 7 and connecting seat 11 activity. Above-mentioned structure, propose the technological improvement to the not enough among the prior art, 1 upper portion of oven body sets up pressure release mouth 4, pressure release mouth 4 position installation pressure release board 5, pressure release board 5 and 1 upper portion activity of oven body are articulated, and like this, pressure release board self has weight, and when this internal negative pressure and the pressure-fired state of being in of oven, under the self weight state of pressure release board, pressure release board is in the closed condition for oven body is inside can keep under negative pressure and pressure-fired state. In case oven body internal pressure surpasss the critical point, becomes the malleation state, oven body internal pressure is greater than external pressure this moment, and pressure differential is unbalanced, this moment, under the effect of this internal pressure of oven, will push away the pressure release board, through the inside pressure of pressure release mouth outside release oven body, dilutent solvent steam concentration for oven body inside and outside pressure differential is balanced, avoids arousing explosion and the accident of starting a fire, ensures coating machine work security. Coating machine oven pressure relief device, simple structure, can be in real time, accurate this internal pressure state of oven is adjusted through the pressure release for this internal negative pressure operating condition that is in of oven avoids taking place this internal malleation state of oven and causes the explosion accident of starting a fire, ensures the work of coating machine safe and reliable.
When the interior of the oven body 1 of the coating machine oven pressure relief device is in a negative pressure state, the pressure relief plate 5 is set to be in a structure capable of being in a closed state. When the interior of the oven body 1 of the coating machine oven pressure relief device is in a positive pressure state, the pressure relief plate 5 is set to be in an open state. Above-mentioned structure, this internal pressure of oven can change because of the change of intake and temperature at the in-process of toasting, and oven's normal operating condition, need keep under negative pressure and pressure-fired state, consequently, through pressure variation, pressure can promote the pressure release board and open during the positive pressure state for oven is inside to the outside pressure release, keeps oven internal and external pressure differential balance, makes the oven of coating machine work under safe operating mode all the time, satisfies the demand.
The edge of the pressure relief plate 5 is clamped with a sealing strip 8. Above-mentioned structure, the setting of sealing strip for when the pressure release board is in the closed condition and the laminating is on oven body, improve and seal the leakproofness.
As shown in fig. 2, it is another embodiment of the present invention. A pressure sensor 9 is arranged in an oven body 1 of the coating machine oven pressure relief device, a telescopic cylinder 10 is arranged between the back of a pressure relief plate 5 and the upper portion of the oven body 1, and the pressure sensor 9 and the telescopic cylinder 10 are respectively connected with a control part. Above-mentioned structure connects pressure sensor and telescopic cylinder through control unit, realizes the automatic control of holding down plate, and according to this internal pressure variation of oven, pressure sensor feeds back signal to control unit, and control unit control telescopic cylinder is flexible, realizes that the holding down plate switches between open mode and closed condition. When being in negative pressure and pressure-fired state in the oven body, the flexible cylinder of control unit control stretches out, it is in the off-state to drive the pressure relief board, in case oven body internal pressure exceeds the critical point, become the malleation state, oven body internal pressure is greater than external pressure this moment, pressure differential unbalance, this moment, pressure sensor is to control unit feedback signal, the flexible cylinder shrink of control unit control, it opens to drive the pressure relief board, thereby can release the inside pressure of oven body to the outside through the pressure release mouth, dilute solvent steam concentration, make oven body inside and outside pressure differential balance, avoid arousing explosion and fire accident, guarantee coating machine work safety nature.
The pressure sensor 9 of the coating machine drying oven pressure relief device is set to be of a structure capable of feeding back actual pressure numerical signals in the drying oven body 1 to the control part in real time. The control component is arranged to control the pressure relief plate 5 to switch between the opening state and the closing state according to a real-time pressure numerical value signal fed back by the pressure sensor 9. When the real-time pressure value signal fed back by the pressure sensor 9 is in a negative pressure state, the control part is set to be a structure capable of controlling the telescopic cylinder 10 to extend out, so that the pressure relief plate 5 is pushed to be in a closed state. When the real-time pressure value signal fed back by the pressure sensor 9 is in a positive pressure state, the control part is set to be capable of controlling the telescopic cylinder 10 to contract, so that the pressure relief plate 5 is pulled to be in an open state. The telescopic cylinder 10 is movably hinged with a connecting seat 11 at the upper part of the oven body 1.
Coating machine oven pressure relief device, to the not enough technological improvement that provides among the prior art, oven body upper portion sets up the pressure release mouth, pressure release mouth position installation pressure release board, pressure release board and oven body upper portion activity hinge joint, like this, pressure release board self has weight, when this internal negative pressure and the pressure-fired state of being in of oven, under the self weight state of pressure release board, pressure release board is in the closed condition for oven body is inside can keep under negative pressure and pressure-fired state. In case oven body internal pressure surpasss the critical point, becomes the malleation state, oven body internal pressure is greater than external pressure this moment, and pressure differential is unbalanced, this moment, under the effect of this internal pressure of oven, will push away the pressure release board, through the inside pressure of pressure release mouth outside release oven body, dilutent solvent steam concentration for oven body inside and outside pressure differential is balanced, avoids arousing explosion and the accident of starting a fire, ensures coating machine work security. Coating machine oven pressure relief device, simple structure, it is with low costs, can be in real time, accurate through the pressure release this internal pressure state of adjusting the oven for this internal negative pressure operating condition that is in of oven avoids taking place this internal malleation state of oven and causes the explosion accident of starting a fire, ensures the work of coating machine safe and reliable.
The above description is for the illustrative purposes with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention is not limited by the above embodiments, as long as the present invention adopts various improvements of the method concept and the technical solution, or the present invention is directly applied to other occasions without improvement, and all of them are within the protection scope of the present invention.
Claims (8)
1. The utility model provides a coating machine oven pressure relief device which characterized in that: the drying oven comprises an oven body (1), wherein an air inlet pipeline (2) is arranged on one side of the oven body (1), an air outlet pipeline (3) is arranged on the other side of the oven body (1), a pressure relief opening (4) is formed in the upper part of the oven body (1), a pressure relief plate (5) capable of shielding the pressure relief opening (4) is arranged at the position of the pressure relief opening (4), a base (6) is arranged on the side face of one side of the pressure relief opening (4), and the pressure relief plate (5) is movably hinged with a connecting seat (11) through a rotating shaft (7);
a pressure sensor (9) is arranged in the oven body (1) of the coating machine oven pressure relief device, a telescopic cylinder (10) is arranged between the back surface of the pressure relief plate (5) and the upper part of the oven body (1), and the pressure sensor (9) and the telescopic cylinder (10) are respectively connected with a control part;
the telescopic cylinder (10) is movably hinged with a connecting seat (11) at the upper part of the oven body (1).
2. The coater oven pressure relief device of claim 1, wherein: when the interior of the oven body (1) of the coating machine oven pressure relief device is in a negative pressure state, the pressure relief plate (5) is set to be in a structure capable of being in a closed state.
3. The coater oven pressure relief device according to claim 1 or 2, characterized in that: when the interior of the oven body (1) of the coating machine oven pressure relief device is in a positive pressure state, the pressure relief plate (5) is set to be in an open state.
4. The coater oven pressure relief device according to claim 1 or 2, characterized in that: the edge of the pressure relief plate (5) is clamped with a sealing strip (8).
5. The coater oven pressure relief device according to claim 1 or 2, wherein: the pressure sensor (9) of the coating machine drying oven pressure relief device is of a structure capable of feeding back actual pressure numerical signals in the drying oven body (1) to the control part in real time.
6. The coater oven pressure relief device of claim 5, wherein: the control component is arranged to be capable of controlling the pressure relief plate (5) to switch between the opening state and the closing state according to a real-time pressure numerical value signal fed back by the pressure sensor (9).
7. The coater oven pressure relief device according to claim 6, wherein: when a real-time pressure numerical value signal fed back by the pressure sensor (9) is in a negative pressure state, the control part is set to be capable of controlling the telescopic cylinder (10) to extend out, so that the pressure relief plate (5) is pushed to be in a structure in a closed state.
8. The coater oven pressure relief device of claim 7, wherein: when a real-time pressure numerical signal fed back by the pressure sensor (9) is in a positive pressure state, the control part is set to be capable of controlling the telescopic cylinder (10) to contract, so that the pressure relief plate (5) is pulled to be in an open state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220047510.4U CN217595095U (en) | 2022-01-10 | 2022-01-10 | Pressure relief device for drying oven of coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220047510.4U CN217595095U (en) | 2022-01-10 | 2022-01-10 | Pressure relief device for drying oven of coating machine |
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| Publication Number | Publication Date |
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| CN217595095U true CN217595095U (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220047510.4U Active CN217595095U (en) | 2022-01-10 | 2022-01-10 | Pressure relief device for drying oven of coating machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118998325A (en) * | 2024-07-31 | 2024-11-22 | 福安青美能源材料有限公司 | Pressure relief device and drying tower pressure regulation and control system |
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2022
- 2022-01-10 CN CN202220047510.4U patent/CN217595095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118998325A (en) * | 2024-07-31 | 2024-11-22 | 福安青美能源材料有限公司 | Pressure relief device and drying tower pressure regulation and control system |
| CN118998325B (en) * | 2024-07-31 | 2025-10-28 | 福安青美能源材料有限公司 | A pressure relief device and drying tower pressure control system |
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