CN211552459U - Low temperature furnace lifting furnace door mechanism - Google Patents
Low temperature furnace lifting furnace door mechanism Download PDFInfo
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- CN211552459U CN211552459U CN202020137521.2U CN202020137521U CN211552459U CN 211552459 U CN211552459 U CN 211552459U CN 202020137521 U CN202020137521 U CN 202020137521U CN 211552459 U CN211552459 U CN 211552459U
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Abstract
The utility model provides a low temperature furnace lift furnace door mechanism, including furnace gate, furnace door frame and motor, still include closing device, before the furnace door was located to the furnace door frame, closing device's both ends linked firmly with furnace gate, furnace door frame respectively, the motor is located the furnace body top, motor output shaft is connected with the driving gear, the furnace body top bilateral symmetry is installed driven gear, the driving gear passes through the transmission shaft and is connected with both sides driven gear; the furnace door frame bilateral symmetry has set firmly the rack, and rack and driven gear meshing all are equipped with linear guide on the furnace body both sides limit, set firmly on the furnace door frame with linear guide complex slider. The motor is in a gear-rack type, and the gear rack is meshed tightly, high in precision, stable in lifting and low in noise. The lifting device is matched with a linear guide rail to ensure the lifting stability and position precision. The independently designed furnace door pressing part adopts a cylinder type, is simple and easy to operate, is matched with a pressing guide device for use, and has high pressing position precision and better sealing effect.
Description
Technical Field
The utility model belongs to the technical field of the low temperature furnace, concretely relates to low temperature furnace lift furnace door mechanism.
Background
The most common lifting structure of the heating furnace door device mostly adopts a motor steel wire rope and a motor chain wheel and chain structure to pull the furnace door and the cylinder opening type furnace door, the steel wire rope has simple structure, easy operation and low manufacturing cost; but the furnace door is unstable when lifting and is rocked greatly, the noise is large, a counterweight is needed when necessary, the failure rate is high, the sealing effect is poor depending on the self weight of the furnace door, the heat in the furnace is dissipated and cold air enters the furnace, after the furnace door is used for a period of time, the deformation of the furnace opening is large, the heat in the furnace is dissipated seriously, and the service life of equipment is reduced. The smoke in the furnace is scattered into a workshop due to the deformation of the furnace door, so that the body health of workers is influenced, and the appearance effect is not attractive. The cylinder type is lower in noise than a steel wire rope type, stable in lifting, slightly better in sealing effect, easy to break down and inconvenient to maintain.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low temperature furnace lift furnace door mechanism has ensured the stationarity and the position precision of lift, and the fault rate is low, has reduced workman's maintenance work, and the reliability is high, long service life.
Another object of the utility model is to provide a low temperature furnace lift furnace door mechanism's application method can realize automatic rising and compress tightly.
Therefore, the utility model provides a technical scheme as follows:
a low-temperature furnace lifting furnace door mechanism comprises a furnace door, a furnace door frame, a motor and a pressing device, wherein the furnace door frame is arranged in front of the furnace door, two ends of the pressing device are fixedly connected with the furnace door and the furnace door frame respectively, the motor is arranged at the top of a furnace body, an output shaft of the motor is connected with a driving gear, driven gears are symmetrically arranged on two sides of the top of the furnace body, and the driving gear is connected with the driven gears on two sides through a transmission shaft;
the furnace door frame is characterized in that racks are symmetrically and fixedly arranged on two sides of the furnace door frame and meshed with the driven gear, linear guide rails are arranged on two side edges of the furnace body, and sliding blocks matched with the linear guide rails are fixedly arranged on the furnace door frame.
The furnace body is characterized by further comprising a control cabinet, an upper position limit switch and a lower position limit switch are arranged on the outer wall of the furnace body, and the motor, the upper position limit switch, the lower position limit switch and the pressing device are all electrically connected with the control cabinet.
The pressing device is a pressing cylinder, the fixed end of the pressing cylinder is fixedly arranged on the furnace door frame, and the movable end of the pressing cylinder is fixedly arranged on the furnace door.
And a sealing ring is arranged between the furnace body and the furnace door.
The number of the pressing devices is four, and the four pressing devices are respectively positioned at two ends of a transverse center line and a longitudinal center line of the furnace door.
The furnace door structure is characterized by further comprising a pressing guide device, wherein the pressing guide device comprises a guide shaft and a shaft sleeve, the shaft sleeve is fixed on the furnace door frame, one end of the guide shaft is fixed on the furnace door, and the other end of the guide shaft is inserted into the shaft sleeve.
The driven gears on two sides are fixed on the top of the heating furnace body through a transmission shaft by a bearing with a seat, and the bearing hole position is a long hole.
The utility model has the advantages that:
the utility model provides a low temperature furnace lift furnace door mechanism, what adopt is motor rack and pinion formula, rack and pinion meshing is inseparable, the precision is high, goes up and down steadily, the noise is little. The lifting device is matched with a linear guide rail to ensure the lifting stability and position precision. The independently designed furnace door pressing part adopts a cylinder type, is simple and easy to operate, the square furnace door pressing cylinder is arranged at a central line position, and the pressing guide device is matched with the pressing guide device (arranged on two sides of the square furnace door) for use, so that the pressing position precision is high, and the sealing effect is better.
The utility model discloses the lift part respectively has power, mutually noninterfere with the part that compresses tightly.
The lifting part adopts a structure of a motor gear rack, and is arranged on two sides of the furnace door, and the gear rack has the characteristics of large power transmission, tight meshing, high precision, low noise and the like. The lifting device is matched with a linear guide rail for use, and the lifting stability and the position precision are ensured. The structure has low failure rate, high reliability and long service life, and reduces the maintenance work of workers.
The pressing part adopts a cylinder type, the structure is simple, the installation is convenient, and the four cylinders are arranged at the central line position, so that the pressing force is uniformly distributed around the furnace door, and the sealing effect of the furnace door is ensured. The guiding devices during pressing are arranged on two sides of the furnace door, and the left side and the right side are respectively two, so that accurate guiding is ensured.
This lift furnace door mechanism does not need counter weight device, and the rack and pinion that adopts during the lift has transmission power big, characteristics such as fault rate are low. The furnace door pressing part has good sealing effect, the heat in the furnace can not be dissipated, the service life of the equipment is prolonged, and the economic benefit is brought to the user by reducing the maintenance cost.
In order to make the above and other objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
fig. 4 is a top plan view of an embodiment of the oven door of the present invention.
In the figure:
description of reference numerals:
1. a furnace door frame; 2. the linear guide rail fixes the rectangular pipe; 3. a linear guide fixing plate; 4. a linear guide rail; 5. a fastener; 6. a furnace door; 7. a slider; 8. a driving gear; 9. a driven gear; 10. a furnace door frame rectangular tube; 11. a furnace body; 12. a rack; 13. a pressing cylinder; 14. a cylinder joint; 15. a transmission shaft: 16. a gas pipe fixing member for a cylinder; 17. and pressing the guide device.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be noted that, in the present invention, the upper, lower, left, and right in the drawings are regarded as the upper, lower, left, and right of the low temperature furnace elevating furnace door mechanism described in this specification.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Example 1:
the embodiment provides a low-temperature furnace lifting furnace door mechanism, which comprises a furnace door 6, a furnace door frame 1, a motor and a pressing device, wherein the furnace door frame 1 is arranged in front of the furnace door 6, two ends of the pressing device are fixedly connected with the furnace door 6 and the furnace door frame 1 respectively, the motor is arranged at the top of a furnace body 11, an output shaft of the motor is connected with a driving gear 8, driven gears 9 are symmetrically arranged on two sides of the top of the furnace body 11, and the driving gear 8 is connected with the driven gears 9 on two sides through a transmission shaft 15;
the furnace door comprises a furnace door frame 1, and is characterized in that racks 12 are symmetrically and fixedly arranged on two sides of the furnace door frame 1, the racks 12 are meshed with driven gears 9, linear guide rails 4 are arranged on two side edges of a furnace body 11, and sliders 7 matched with the linear guide rails 4 are fixedly arranged on the furnace door frame 1.
Specifically, the working process or application process provided by this embodiment is as follows:
the motor is started, the driving gear 8 rotates to drive the driven gears 9 arranged on two sides of the furnace body 11, the driven gears 9 are meshed with racks 12 arranged on two sides of the furnace door frame 1, the furnace door frame 1 drives the furnace door 6 to ascend or descend along with ascending or descending of the driven gears 9 and the racks 12, and in the ascending or descending process, the sliding blocks 7 on the furnace door frame 1 move up and down along the linear guide rails 4 to guide.
After the furnace door 6 descends to a designated position, the motor is stopped, and the pressing device is started to press the furnace door 6 on the furnace body 11 so as to lock the furnace door 6. When the furnace door 6 is required to be lifted, the pressing device is closed, the furnace door 6 is separated from the furnace body 11, then the motor is started, and the motor is stopped after the furnace door 6 is lifted to a designated position.
In the present invention, the door frame 1 is raised or lowered by the engagement of the driven gear 9 and the rack 12, and the door frame 1 drives the door 6 to be raised (opened) or lowered (closed). The structure of a motor gear rack 12 is adopted and is arranged on two sides of the furnace door 6, and the gear rack 12 has the characteristics of large power transmission, tight meshing, high precision, low noise and the like. The lifting device is matched with the linear guide rail 4 for use, so that the lifting stability and the position precision are ensured. The structure has low failure rate, high reliability and long service life, and reduces the maintenance work of workers.
The compressing device has the effects of locking and opening the furnace door 6, realizing sealing, avoiding heat dissipation in the furnace and cold air from entering the furnace, and avoiding the influence on the health of workers due to the fact that smoke in the furnace is scattered in a workshop caused by the deformation of the furnace door 6.
Example 2:
the embodiment provides a low-temperature furnace lifting furnace door mechanism, which comprises a furnace door 6, a furnace door frame 1, a motor and a pressing device, wherein the furnace door frame 1 is arranged in front of the furnace door 6, two ends of the pressing device are fixedly connected with the furnace door 6 and the furnace door frame 1 respectively, the motor is arranged at the top of a furnace body 11, an output shaft of the motor is connected with a driving gear 8, driven gears 9 are symmetrically arranged on two sides of the top of the furnace body 11, and the driving gear 8 is connected with the driven gears 9 on two sides through a transmission shaft 15;
the furnace door comprises a furnace door frame 1, and is characterized in that racks 12 are symmetrically and fixedly arranged on two sides of the furnace door frame 1, the racks 12 are meshed with driven gears 9, linear guide rails 4 are arranged on two side edges of a furnace body 11, and sliders 7 matched with the linear guide rails 4 are fixedly arranged on the furnace door frame 1.
The furnace body 11 is characterized by further comprising a control cabinet, an upper position limit switch and a lower position limit switch are arranged on the outer wall of the furnace body, and the motor, the upper position limit switch, the lower position limit switch and the pressing device are all electrically connected with the control cabinet.
The furnace door frame 1 ascends along with the meshing of the rack 12 and the gear to drive the furnace door 6 to ascend (the furnace door 6 is opened), otherwise descends (the furnace door 6 is closed), and the ascending and descending determine the movement limit position through the upper position limit switch and the upper position limit switch respectively.
When the furnace door 6 is required to descend, the motor is started, after the furnace door 6 descends to a designated position, the control cabinet receives a signal sent by the lower position limit switch, the control cabinet sends an instruction to stop the motor, meanwhile, the control cabinet sends a signal to the pressing device, and the pressing device is started to press the furnace door 6 on the furnace body 11 to lock the furnace door 6.
When the furnace door 6 is required to ascend, the pressing device is closed to separate the furnace door 6 from the furnace body 11, then the motor is started, after the furnace door 6 ascends to the designated position, the control cabinet receives a signal sent by the upper position limit switch, and the control cabinet sends an instruction to stop the motor.
Example 3:
the embodiment provides a low-temperature furnace lifting furnace door mechanism, which comprises a furnace door 6, a furnace door frame 1, a motor and a pressing device, wherein the furnace door frame 1 is arranged in front of the furnace door 6, two ends of the pressing device are fixedly connected with the furnace door 6 and the furnace door frame 1 respectively, the motor is arranged at the top of a furnace body 11, an output shaft of the motor is connected with a driving gear 8, driven gears 9 are symmetrically arranged on two sides of the top of the furnace body 11, and the driving gear 8 is connected with the driven gears 9 on two sides through a transmission shaft 15;
the furnace door comprises a furnace door frame 1, and is characterized in that racks 12 are symmetrically and fixedly arranged on two sides of the furnace door frame 1, the racks 12 are meshed with driven gears 9, linear guide rails 4 are arranged on two side edges of a furnace body 11, and sliders 7 matched with the linear guide rails 4 are fixedly arranged on the furnace door frame 1.
The pressing device is a pressing cylinder 13, the fixed end of the pressing cylinder 13 is fixedly arranged on the furnace door frame 1, and the movable end of the pressing cylinder 13 is fixedly arranged on the furnace door 6.
The furnace door frame 1 is fixedly connected with the furnace door 6 through the pressing cylinder 13, so that the furnace door frame 1 rises along with the meshing of the rack 12 and the gear to drive the furnace door 6 to move up and down.
The utility model discloses in, the lift subtotal compresses tightly the part and respectively has power, mutually noninterfere. The lifting part adopts a structure of a motor gear rack 12 and is arranged on two sides of the furnace door 6, and the gear rack 12 has the characteristics of large power transmission, tight meshing, high precision, low noise and the like. The lifting device is matched with the linear guide rail 4 for use, so that the lifting stability and the position precision are ensured. The structure has low failure rate, high reliability and long service life, and reduces the maintenance work of workers. The compressing part adopts a cylinder type, and the structure is simple and the installation is convenient.
Example 4:
the embodiment provides a low-temperature furnace lifting furnace door mechanism, which comprises a furnace door 6, a furnace door frame 1, a motor and a pressing device, wherein the furnace door frame 1 is arranged in front of the furnace door 6, two ends of the pressing device are fixedly connected with the furnace door 6 and the furnace door frame 1 respectively, the motor is arranged at the top of a furnace body 11, an output shaft of the motor is connected with a driving gear 8, driven gears 9 are symmetrically arranged on two sides of the top of the furnace body 11, and the driving gear 8 is connected with the driven gears 9 on two sides through a transmission shaft 15;
the furnace door comprises a furnace door frame 1, and is characterized in that racks 12 are symmetrically and fixedly arranged on two sides of the furnace door frame 1, the racks 12 are meshed with driven gears 9, linear guide rails 4 are arranged on two side edges of a furnace body 11, and sliders 7 matched with the linear guide rails 4 are fixedly arranged on the furnace door frame 1.
And a sealing ring is arranged between the furnace body 11 and the furnace door 6.
When the furnace door 6 is to be closed, the motor is started, the furnace door frame 1 drives the furnace door 6 to descend, after the furnace door 6 descends to a specified position, the motor is stopped, the pressing device is started to press the furnace door 6 on the furnace body 11, the space between the furnace door 6 and the furnace body 11 is sealed through the sealing ring, and the furnace door 6 is locked.
Example 5:
the embodiment provides a low-temperature furnace lifting furnace door mechanism, which comprises a furnace door 6, a furnace door frame 1, a motor and a pressing device, wherein the furnace door frame 1 is arranged in front of the furnace door 6, two ends of the pressing device are fixedly connected with the furnace door 6 and the furnace door frame 1 respectively, the motor is arranged at the top of a furnace body 11, an output shaft of the motor is connected with a driving gear 8, driven gears 9 are symmetrically arranged on two sides of the top of the furnace body 11, and the driving gear 8 is connected with the driven gears 9 on two sides through a transmission shaft 15;
the furnace door comprises a furnace door frame 1, and is characterized in that racks 12 are symmetrically and fixedly arranged on two sides of the furnace door frame 1, the racks 12 are meshed with driven gears 9, linear guide rails 4 are arranged on two side edges of a furnace body 11, and sliders 7 matched with the linear guide rails 4 are fixedly arranged on the furnace door frame 1.
The pressing device is a pressing cylinder 13, the fixed end of the pressing cylinder 13 is fixedly arranged on the furnace door frame 1, and the movable end of the pressing cylinder 13 is fixedly arranged on the furnace door 6.
In this embodiment, the number of the pressing devices is four, and the four pressing devices are respectively positioned at two ends of the transverse middle line and the longitudinal middle line of the oven door 6. As shown in fig. 1. The four pressing cylinders 13 are arranged at the central line position, so that pressing force is uniformly distributed around the furnace door 6, and the sealing effect of the furnace door 6 is ensured.
Wherein, the cylinder joint 14, namely the movable end, is connected with the furnace door 6 (in particular to a connecting plate of the furnace door 6) through a fastener 5. The fastener 5 is a bolt or a nut. The air pipe of the pressing cylinder 13 is fixed to the door frame 1 by an air pipe fixing member 16 for the cylinder.
Example 6:
on the basis of embodiment 5, this embodiment provides a low temperature furnace lifting furnace door mechanism, as shown in fig. 2, further includes a pressing guide device 17, where the pressing guide device 17 includes a guide shaft and a shaft sleeve, the shaft sleeve is fixed on the furnace door frame 1, one end of the guide shaft is fixed on the furnace door 6, and the other end of the guide shaft is inserted into the shaft sleeve.
The pressing guide devices 17 are arranged on two sides of the furnace door 6, and two pressing guide devices are arranged on the left side and the right side respectively, so that accurate guiding is ensured. The guiding process is realized by the movement of the guide shaft in the shaft sleeve, when the pressing device presses, the other end of the guide shaft moves towards the direction close to the furnace door, otherwise, the guide shaft moves towards the direction far away from the furnace door.
Example 7:
the embodiment provides a low-temperature furnace lifting furnace door mechanism, which comprises a furnace door 6, a furnace door frame 1, a motor and a pressing device, wherein the furnace door frame 1 is arranged in front of the furnace door 6, two ends of the pressing device are fixedly connected with the furnace door 6 and the furnace door frame 1 respectively, the motor is arranged at the top of a furnace body 11, an output shaft of the motor is connected with a driving gear 8, driven gears 9 are symmetrically arranged on two sides of the top of the furnace body 11, and the driving gear 8 is connected with the driven gears 9 on two sides through a transmission shaft 15;
the furnace door comprises a furnace door frame 1, and is characterized in that racks 12 are symmetrically and fixedly arranged on two sides of the furnace door frame 1, the racks 12 are meshed with driven gears 9, linear guide rails 4 are arranged on two side edges of a furnace body 11, and sliders 7 matched with the linear guide rails 4 are fixedly arranged on the furnace door frame 1.
The driven gears 9 on two sides are fixed on the top of the heating furnace body 11 through a transmission shaft 15 by a bearing with a seat, and the bearing hole position is a long hole. The long hole is convenient for adjusting the meshing position between the driven gear 9 and the rack 12.
Example 8:
the embodiment provides a low temperature furnace lift furnace door mechanism, the motor is fixed at 11 tops of furnace body, motor output shaft end installation driving gear 8, driving gear 8 drives driven gear 9 of installing in 11 both sides of furnace body and installs the rack 12 meshing in 6 both sides of furnace gate, driven gear 9 of both sides passes through transmission shaft 15 to be fixed at 11 tops of heating furnace body by the rolling bearing, the bearing hole site is rectangular hole, the position of engagement between convenient adjustment gear and rack 12, raise furnace gate 6 along with driven gear 9 and rack 12 meshing, linear guide 4 ensures that guiding orientation is accurate, go up and down reliably.
As shown in fig. 2 and 3, the linear guide 4 is mounted on a fixed rectangular tube 2 (on the furnace body 11) of the linear guide 4 through a linear guide fixing plate 3, the linear guide 4 is located inside a rack 12, rack 12 mounting seats on two sides are welded on a rectangular tube 10 of the furnace door frame, the furnace door frame 1 ascends along with the engagement of the rack 12 and a gear to drive the furnace door 6 to ascend (the furnace door 6 is opened), otherwise, the furnace door frame descends, a position limit switch is set for ascending and descending, when the furnace door frame descends to a specified position, a furnace door 6 pressing cylinder 13 fixed on the furnace door frame 1 is started to press the furnace door 6 on the furnace body 11, a sealing ring is arranged on the furnace body 11, and the space between the furnace door 6 and the furnace.
In the mechanism, up-and-down movement on the furnace door frame 1 is realized through the gear rack 12, the linear guide rail 4 ensures the position accuracy of ascending and descending, and the furnace door frame 1 drives the furnace door 6 to ascend and descend. The pressing cylinder 13 is responsible for locking and opening the furnace door 6, and after the furnace door frame 1 drives the furnace door 6 to descend to a position, the furnace door 6 pressing cylinder 13 presses the furnace door 6 on the furnace body 11, namely the furnace door 6 is locked; when the furnace door 6 is opened, the pressing cylinder 13 is closed, the furnace door 6 is separated from the furnace body 11, namely the furnace door 6 is opened.
As shown in fig. 3, the slider 7 is mounted on the door frame 1 by the fastener 5, and the linear guide 4 is mounted on the linear guide 4 fixing rectangular pipe 2 by the fastener 5 and the linear guide fixing plate 3. The fastener 5 is a bolt and a nut.
The whole mechanism is simple to install, high in reliability, stable in lifting in the using process and low in noise, and has a good sealing effect because the furnace door 6 is provided with an independent sealing device, so that the environment and the personal health cannot be influenced. The failure rate is low, the maintenance cost is reduced, and the economic benefit is improved.
Example 9:
the embodiment provides a use method of a low-temperature furnace lifting furnace door mechanism, a motor is started, a driving gear 8 rotates to drive driven gears 9 arranged on two sides of a furnace body 11, the driven gears 9 are meshed with racks 12 arranged on two sides of a furnace door frame 1, the furnace door frame 1 drives a furnace door 6 to ascend or descend along with ascending or descending of the driven gears 9 and the racks 12, and guiding is carried out through a linear guide rail 4 in the ascending or descending process.
When the furnace door 6 is required to descend, the motor is started, the control cabinet receives a signal sent by the lower position limit switch after the furnace door 6 descends to a specified position, the control cabinet sends an instruction to stop the motor, meanwhile, the control cabinet sends a signal to the pressing device, the pressing device is started to press the furnace door 6 on the furnace body 11, the sealing ring seals the space between the furnace door 6 and the furnace body 11, and the furnace door 6 is locked.
When the furnace door 6 is required to ascend, the pressing device is closed to separate the furnace door 6 from the furnace body 11, then the motor is started, after the furnace door 6 ascends to the designated position, the control cabinet receives a signal sent by the upper position limit switch, and the control cabinet sends an instruction to stop the motor. At this time, the oven door 6 is opened, as shown in fig. 4, the distance a between the pressing cylinder 13 and the oven door 6 is a, and a is not less than 30 mm.
In the present embodiment, the door 6 has a square shape. The mechanism is also applicable to a round furnace door 6.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (7)
1. The utility model provides a low temperature furnace lift furnace door mechanism, includes furnace gate (6), furnace door frame (1) and motor, its characterized in that: the furnace door frame (1) is arranged in front of the furnace door (6), two ends of the pressing device are fixedly connected with the furnace door (6) and the furnace door frame (1) respectively, the motor is arranged at the top of the furnace body (11), an output shaft of the motor is connected with a driving gear (8), driven gears (9) are symmetrically arranged on two sides of the top of the furnace body (11), and the driving gear (8) is connected with the driven gears (9) on two sides through a transmission shaft (15);
the furnace door frame is characterized in that racks (12) are symmetrically and fixedly arranged on two sides of the furnace door frame (1), the racks (12) are meshed with the driven gear (9), linear guide rails (4) are arranged on two side edges of the furnace body (11), and sliding blocks (7) matched with the linear guide rails (4) are fixedly arranged on the furnace door frame (1).
2. The low temperature furnace lifting furnace door mechanism of claim 1, wherein: the furnace body (11) is provided with an upper position limit switch and a lower position limit switch on the outer wall, and the motor, the upper position limit switch, the lower position limit switch and the pressing device are all electrically connected with the control cabinet.
3. The low temperature furnace lifting furnace door mechanism of claim 1, wherein: the pressing device is a pressing cylinder (13), the fixed end of the pressing cylinder (13) is fixedly arranged on the furnace door frame (1), and the movable end of the pressing cylinder (13) is fixedly arranged on the furnace door (6).
4. The low temperature furnace lifting furnace door mechanism of claim 1, wherein: and a sealing ring is arranged between the furnace body (11) and the furnace door (6).
5. The low temperature furnace lifting furnace door mechanism of claim 1, wherein: the number of the pressing devices is four, and the four pressing devices are respectively positioned at two ends of a transverse center line and a longitudinal center line of the furnace door (6).
6. The low temperature furnace lifting furnace door mechanism of claim 1, wherein: the furnace door structure is characterized by further comprising a pressing guide device (17), wherein the pressing guide device (17) comprises a guide shaft and a shaft sleeve, the shaft sleeve is fixed on the furnace door frame (1), one end of the guide shaft is fixed on the furnace door (6), and the other end of the guide shaft is inserted into the shaft sleeve.
7. The low temperature furnace lifting furnace door mechanism of claim 1, wherein: driven gears (9) on two sides are fixed on the top of the heating furnace body (11) through a transmission shaft (15) by a bearing with a seat, and the bearing hole position is a long hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137521.2U CN211552459U (en) | 2020-01-21 | 2020-01-21 | Low temperature furnace lifting furnace door mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137521.2U CN211552459U (en) | 2020-01-21 | 2020-01-21 | Low temperature furnace lifting furnace door mechanism |
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| Publication Number | Publication Date |
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| CN211552459U true CN211552459U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020137521.2U Active CN211552459U (en) | 2020-01-21 | 2020-01-21 | Low temperature furnace lifting furnace door mechanism |
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| CN (1) | CN211552459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524941A (en) * | 2020-11-27 | 2021-03-19 | 广东千卡工业铝材装备有限公司 | High-yield environment-friendly gas aluminum bar heating furnace |
-
2020
- 2020-01-21 CN CN202020137521.2U patent/CN211552459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524941A (en) * | 2020-11-27 | 2021-03-19 | 广东千卡工业铝材装备有限公司 | High-yield environment-friendly gas aluminum bar heating furnace |
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