CN110895106A - Improved structure of ceramic metallization sintering kiln door - Google Patents
Improved structure of ceramic metallization sintering kiln door Download PDFInfo
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- CN110895106A CN110895106A CN201911364499.3A CN201911364499A CN110895106A CN 110895106 A CN110895106 A CN 110895106A CN 201911364499 A CN201911364499 A CN 201911364499A CN 110895106 A CN110895106 A CN 110895106A
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- kiln
- door
- kiln door
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1858—Doors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses an improved structure of a ceramic metallization sintering kiln door, which comprises a kiln door, a frame, a lifting mechanism, pulleys and a pressing mechanism, wherein the pulleys are arranged on two sides of the kiln door, a slide way for the pulleys to be in sliding fit is arranged on the frame, a movable gap is formed between the kiln door and a kiln opening, a groove in the direction of the kiln opening is formed in the inner wall of the slide way, when the kiln door is lowered to a closed position, the pulleys are sunk into the groove, meanwhile, the kiln door transversely moves and is close to the kiln opening, the kiln door is transversely pressed by the pressing mechanism to seal the kiln opening, otherwise, the pressing mechanism transversely moves to release the pressing, the pulleys exit the groove, meanwhile, the kiln door is driven to be lifted up and leave the kiln opening, the movable gap with the kiln opening is ensured, and finally, the kiln door. The scheme completely renovates the traditional defects by a closing mode of pressing close to the pressing tightly and an opening mode of isolating firstly and sliding secondly, thereby avoiding the generation of powder, prolonging the service life, improving the product quality and reducing the production cost.
Description
Technical Field
The invention relates to the technical field of kiln equipment, in particular to an improved structure of a kiln door, which is suitable for sintering ceramic metalized products.
Background
The ceramic metalized product is formed by sintering a metalized kiln, wherein the metalized kiln is an atmosphere kiln and is a push plate type kiln for continuous production, and the ceramic metalized product enters from one end and exits from the other end. The internal gas is hydrogen, the kiln is provided with a kiln opening, the opening and closing of the kiln opening are controlled by a corresponding kiln door, and because the kiln opening frequently enters and exits products and needs to be frequently opened, an anti-friction design is required to be well made between the kiln opening and the kiln door, and good sealing performance is formed. At present, two furnace mouth seals are roughly adopted in kiln manufacture, and the two furnace mouth seals are specifically as follows:
⑴, kiln door (metal plate) lifting sliding sealing kiln mouth (metal), the sealing mode is hard sealing, the sealing is formed by the direct contact surface and the surface contact of the metal kiln door and the metal kiln mouth, the defects are that the plate surface is strictly required to be flat and has no deformation, and metal powder falls off due to the friction in the sliding sealing process, which causes product pollution.
⑵, gate valve sealed kiln door, the kiln mouth installs the gate valve, the gate (metal sheet) slides relative to the kiln mouth, but the two is not hard seal, but soft seal, namely the two are sealed by double-sided sealing material, the sealing effect is better than hard seal, but under the frequent open use condition, the problem that the sealing material and the metal sheet will generate friction, and the powder will drop to pollute the product can not be overcome.
The defects and the influence brought by the two are as follows: the contaminated product is partly waste; part of the waste water needs post-treatment, and the treatment of the products needs manpower, material resources and time. If hydrogen in the kiln is leaked due to serious friction, the kiln needs to be repaired, the operation of the kiln needs to be stopped, the operation of the kiln is stopped, the temperature rise and fall period of the kiln is long, and the production progress is directly influenced.
In summary, the two existing sealing methods have a common defect, that is, friction, and how to overcome the friction is the design starting point of the inventor, so the scheme is generated.
Disclosure of Invention
The invention aims to provide an improved structure of a ceramic metallization sintering kiln door, which changes the traditional sealing mode, avoids friction and the problems caused by friction, prolongs the service life of the kiln door, and accordingly improves the product quality, reduces the cost and improves the production yield.
In order to achieve the above purpose, the solution of the invention is: an improved structure of a ceramic metallization sintering kiln door comprises a kiln door, a frame, a lifting mechanism, pulleys and a pressing mechanism, wherein the frame is fixed on a kiln opening, the lifting mechanism is fixed on the frame, the kiln door is installed on the lifting mechanism and moves up and down relative to the kiln opening through the lifting mechanism to control the opening and closing of the kiln opening, the improved structure is characterized in that the kiln door can also move transversely relative to the lifting mechanism, the pulleys are arranged on two sides of the kiln door, a slideway for the pulleys to be in sliding fit is arranged on the frame to enable a movable gap to be formed between the kiln door and the kiln opening, a groove in the direction of the kiln opening is arranged on the inner wall of the slideway, the depth of the groove is equal to the distance of the gap, the pressing mechanism is installed on the frame and opposite to the groove, when the kiln door descends to a closing position, the pulleys are sunk into the groove, and simultaneously, the kiln door moves transversely and is close to the kiln opening, and the kiln door is transversely pressed by the pressing mechanism to seal the kiln opening.
Preferably, elevating system includes motor, guide board, ball and the slider of cooperation on ball, the motor is fixed at the frame top, and the terminal longitudinal connection ball of motor, the last slider connection guide board of ball, kiln furnace door are installed and are realized elevating movement on the guide board, in addition, kiln furnace door can make lateral displacement to the guide board.
Preferably, elevating system still includes the bolt, the guide board is "L" form, mainly comprises vertical plate and diaphragm, and the through-hole is seted up to vertical plate fixed sliding block on the diaphragm, the kiln door is located the diaphragm below to set up the screw hole in the position that corresponds the through-hole, the bolt passes through-hole and screw hole cooperation, makes the kiln door connect on the diaphragm, and the aperture of through-hole is greater than the aperture of screw hole, realizes that the relative diaphragm lateral displacement of kiln furnace gate.
Preferably, the kiln door further comprises a controller and a proximity switch, the controller is connected with the motor and the proximity switch, the proximity switch is arranged at the position where the kiln door closes the kiln opening, and when the kiln door reaches the position where the kiln door closes, the kiln door automatically stops descending.
Preferably, the controller is further connected with a pressing mechanism, when the kiln door stops descending, the pressing mechanism automatically starts to press the kiln door, and the pressing mechanism automatically stops after a period of pressing.
Preferably, the pressing mechanism comprises a pressing plate and an elastic pressing head, the elastic pressing head is mounted on the frame and can do transverse elastic telescopic movement relative to the frame, one end, facing the sliding block, of the elastic pressing head is connected with the pressing plate, and when the elastic pressing head is compressed and contracted, the elastic pressing head presses the pressing plate to transversely press the pulley to form sealing between the kiln door and the kiln mouth.
Preferably, two sides of the kiln door are respectively provided with more than two pulleys, and the pulleys on the same side are distributed along the longitudinal direction.
Preferably, a soft material is arranged at the position where the sealing surface of the kiln door is contacted with the kiln opening.
The closing process of the kiln door comprises the following steps: the motor operates, the lifting mechanism drives the kiln door to descend, the pulley on the kiln door slides along the slideway, when the pulley sinks into the groove, the transverse displacement of the kiln door is close to the kiln opening, the transverse displacement of the kiln door and the kiln opening are not sealed, and finally, the pressing mechanism transversely presses the kiln door to realize the sealing with the kiln opening;
the kiln door opening process comprises the following steps: the pressing mechanism transversely moves to relieve pressure applied to the kiln door, then the motor drives the lifting mechanism to drive the pulleys on the two sides of the kiln door to exit the groove, the pulleys fall on the slideway, meanwhile, the kiln door is driven to lift up to leave the kiln opening, a movable gap between the pulleys and the kiln opening is ensured, and finally, the kiln door starts to lift up to realize opening.
After the scheme is adopted, the gain effect of the invention is as follows:
① the kiln door drops to the process that the pulley sinks into the groove from the beginning and the process that the pulley exits the groove and rises from the pulley, the pulley falls on the slide all the time, the kiln door and the kiln opening are guaranteed to have a clearance all the time, so that the kiln door does not have friction when moving relative to the kiln opening, and the initial purpose of the design of the scheme is achieved.
② the present case completely renovates the traditional defects by closing the furnace door and the furnace mouth tightly at first and opening the furnace door and the furnace mouth sliding at first and then avoiding the powder generation, prolonging the service life of the furnace door and the furnace mouth, improving the product quality, reducing the production cost and accelerating the production yield.
③ because the kiln door can make lateral displacement relative to the lifting mechanism, it allows the clearance between the kiln door and the kiln mouth, and how to realize sealing and need to overcome the clearance, therefore the inner wall of the slideway is provided with a groove in the direction of the kiln mouth, and the depth of the groove is equal to the distance of the clearance, when the pulley is sunk into the groove, the clearance can be eliminated, the kiln door is close to the kiln mouth, if the depth of the groove is too large, the kiln door can collide with the kiln mouth, if the depth of the groove is too small, the sealing effect can not be achieved, it can be seen that the scheme has ingenious conception, flexible structure change, convenient and free use, green and environmental protection, and the improvement of the kiln equipment industry is promoted.
Drawings
FIG. 1 is a schematic isometric view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Fig. 3 is an exploded view of the second embodiment of the present invention.
Fig. 4 is a side view of a closed state of an embodiment of the present invention.
Fig. 5 is a side view of an embodiment of the present invention with the sheave raised.
Fig. 6 is an enlarged view at a in fig. 5.
Description of reference numerals: 1-kiln doors; 11-a threaded hole; 2-a frame; 21-a slide way; 22-a groove; 3-a lifting mechanism; 31-a motor; 32-a guide plate; 321-longitudinal plates; 322-a transverse plate; 3221-through hole, 33-ball screw; 34-a slide block; 35-bolts; 4-a pulley; 5-a pressing mechanism; 51-a platen; 52-elastic pressing head; 6-kiln mouth.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 3, the present invention provides an improved structure of a ceramic metallization sintering kiln door, including a kiln door 1, a frame 2, a lifting mechanism 3, pulleys 4, and a pressing mechanism 5, wherein the frame 2 is fixed on a kiln mouth 6, the frame 2 is fixed with the lifting mechanism 3, the kiln door 1 is mounted on the lifting mechanism 3, and performs lifting motion relative to the kiln mouth 6 through the lifting mechanism 3 to control the opening and closing of the kiln mouth 6, the kiln door 1 can also perform transverse displacement relative to the lifting mechanism 3, the pulleys 4 are disposed on two sides of the kiln door 1, a slide way 21 for the pulleys 4 to slide is disposed on the frame 2, so that a movable gap is formed between the kiln door 1 and the kiln mouth 6, a groove 22 is disposed on an inner wall of the slide way 21 in the direction of the kiln mouth 6, the depth of the groove 22 is equal to the distance of the gap, the pressing mechanism 5 is mounted on the frame 2, opposite to the groove 22, when the kiln door 1 is lowered to the closed position, as shown in fig. 4, the pulley 4 is sunk into the groove 22, and at the same time, the kiln door 1 is moved laterally and abuts against the kiln mouth 6, and the kiln mouth 6 is sealed by laterally pressing the kiln door 1 by the pressing mechanism 5.
The invention adopts a closing mode of closing first and then pressing, and the specific closing process is as follows: the motor 31 runs, the lifting mechanism 3 drives the kiln door 1 to descend, the pulley 4 on the kiln door 1 slides along the slideway 21, when the pulley 4 sinks into the groove 22, the kiln door 1 transversely displaces to be close to the kiln opening 6, the sealing between the kiln door 1 and the kiln opening 6 is not realized, and finally, the pressing mechanism 5 transversely presses the kiln door 1 to realize the sealing with the kiln opening 6;
the invention adopts an opening mode of first isolation and then sliding, and the specific opening process is as follows: firstly, the pressing mechanism 5 transversely moves to release the pressure applied to the kiln door 1, then the motor 31 drives the lifting mechanism 3 to drive the pulleys 4 on the two sides of the kiln door 1 to exit the groove 22 and fall on the slideway 21, and simultaneously drives the kiln door 1 to lift up, as shown in fig. 5 and 6, the kiln door 1 leaves the kiln door 6 to ensure the movable gap with the kiln door 6, and finally the kiln door 1 starts to lift up to realize opening.
It can be seen from the above that, in the process that the kiln door 1 starts to descend to the process that the pulley 4 falls into the groove 22 and in the process that the pulley 4 exits the groove 22 to ascend, the kiln door 1 and the kiln opening 6 always have a movable gap, so that the kiln door 1 does not have friction when moving relative to the kiln opening 6, and the initial design purpose of the scheme is achieved. Thereby putting an end to the generation of powder, being green and environment-friendly, prolonging the service life, improving the product quality, reducing the cost and improving the production yield. Because the kiln door 1 can make lateral displacement relative to the lifting mechanism 3, and how to realize sealing needs to overcome the movable gap, the inner wall of the slideway 21 is provided with a groove 22 in the direction of the kiln door 6, and the depth of the groove 22 is equal to the distance of the gap, when the pulley 4 is sunk into the groove 22, the movable gap can be just eliminated, so that the kiln door 1 is close to the kiln door 6, if the depth of the groove 22 is too large, the kiln door 1 can collide with the kiln door 6, and if the depth of the groove 22 is too small, the sealing effect can not be achieved; the structure of the scheme can meet corresponding requirements according to the change of the reached position, and has flexibility and convenience.
In an embodiment, elevating system 3 adopts the ball screw transmission mode, because the ball screw transmission has advantages such as longe-lived, transmission accuracy is high, rigidity is good, positioning accuracy is high, the motion is steady, elevating system 3 includes motor 31, guide plate 32, ball 33 and the slider 34 of cooperation on ball 33, motor 31 is fixed at frame 2 top, and motor 31 end longitudinal connection ball 33, the slider 34 on the ball 33 connect the guide plate 32, kiln furnace gate 1 is installed and is realized elevating movement on guide plate 32, and in addition, kiln furnace gate 1 can make lateral displacement relative to guide plate 32.
The specific structural form of the kiln door 1 which can transversely displace relative to the guide plate 32 can be various, and the present embodiment adopts a simpler structure: the lifting mechanism 3 further comprises a bolt 35, the guide plate 32 is in an L shape and mainly comprises a longitudinal plate 321 and a transverse plate 322, the longitudinal plate 321 fixes the slider 34, the transverse plate 322 is provided with a through hole 3221, the kiln door 1 is positioned below the transverse plate 322 and is provided with a threaded hole 11 at a position corresponding to the through hole 3221, the bolt 35 penetrates through the through hole 3221 to be matched with the threaded hole 11, so that the kiln door 1 is connected to the transverse plate 322, and the aperture of the through hole 3221 is larger than that of the threaded hole 11, namely, the through hole is not tightly matched, so that space support is provided for realizing that the kiln door 1 can laterally displace relative to the transverse plate 322.
The invention not only can be operated manually, but also can realize automation: the invention also comprises a controller (not shown in the figure) and a proximity switch (not shown in the figure), wherein the controller is connected with the motor 31 and the proximity switch, the proximity switch is arranged at the position of the kiln door 1 for closing the kiln mouth, when the kiln door 1 reaches the position for closing the kiln mouth 6, the kiln door 1 automatically stops descending, otherwise, when the kiln door 1 ascends to the position for completely opening the kiln mouth 6, the kiln door 1 automatically stops ascending. Further, the automatic pressing mechanism 5 is adopted, the controller is further connected with the pressing mechanism 5, when the kiln door 1 stops descending, the pressing mechanism 5 automatically starts to apply pressure to the kiln door 1, the pressing is automatically stopped after a period of time, otherwise, the kiln door 1 is released from the pressing and automatically stopped after retreating for a period of time, and the kiln door 1 automatically ascends.
Specifically, the pressing mechanism 5 comprises a pressing plate 51 and an elastic pressing head 52, the elastic pressing head 52 is mounted on the frame 2 and can make a transverse elastic telescopic motion relative to the frame 2, one end of the elastic pressing head 52 facing the slider 34 is connected with the pressing plate 51, and when the elastic pressing head 52 is compressed and contracted, the elastic pressing head 52 drives the pressing plate 51 to transversely press the pulley 4 to form a seal between the kiln door 1 and the kiln mouth 6. Of course, the above is one of the specific structural forms of the pressing mechanism 5 of the present invention, i.e. pressing type, the pressing force is adjustable, and the pressing mechanism 5 of the present invention may also have other various forms, such as screw rotation type, etc.
In one embodiment, two or more pulleys 4 are respectively arranged on two sides of the kiln door 1, the pulleys 4 on the same side are distributed along the longitudinal direction, and more than two pulleys 4 form more supporting points, so that the kiln door 1 slides more evenly in the slideway 21.
In order to enhance the sealing effect, a soft material (not shown in the figure) is provided at the position where the sealing surface of the kiln door 1 contacts the kiln mouth 6.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made in the design key point of the present invention fall within the protection scope of the present invention.
Claims (8)
1. An improved structure of a ceramic metallization sintering kiln door comprises a kiln door, a frame and a lifting mechanism, wherein the frame is fixed on a kiln opening, the lifting mechanism is fixed on the frame, the kiln door is arranged on the lifting mechanism and moves up and down relative to the kiln opening through the lifting mechanism to control the opening and closing of the kiln opening, the improved structure is characterized by further comprising a pulley and a pressing mechanism, the kiln door can also move transversely relative to the lifting mechanism, the two sides of the kiln door are provided with the pulley, the frame is provided with a slideway for the pulley to be in sliding fit, a movable gap is formed between the kiln door and the kiln opening, the inner wall of the slideway is provided with a groove in the direction of the kiln opening, the depth of the groove is equal to the distance of the gap, the pressing mechanism is arranged on the frame and is opposite to the groove, when the kiln door descends to a closing position, the pulley is sunk into the groove, meanwhile, the kiln door moves transversely and is close to the kiln opening, and the kiln door is transversely pressed by the pressing mechanism to seal the kiln opening.
2. The improved structure of the ceramic metallized sintering furnace door as claimed in claim 1, wherein said lifting mechanism includes a motor, a guiding plate, a ball screw and a slider engaged on the ball screw, said motor is fixed on the top of the frame, the end of the motor is connected with the ball screw longitudinally, the slider on the ball screw is connected with the guiding plate, said furnace door is mounted on the guiding plate for lifting movement, and furthermore, said furnace door can be displaced laterally relative to the guiding plate.
3. The improved structure of the door of the ceramic metallizing sintering kiln as claimed in claim 2, wherein the lifting mechanism further comprises a bolt, the guiding plate is "L" shaped and mainly comprises a longitudinal plate and a transverse plate, the longitudinal plate fixes the sliding block, the transverse plate is provided with a through hole, the kiln door is positioned below the transverse plate and is provided with a threaded hole at the position corresponding to the through hole, the bolt passes through the through hole to be matched with the threaded hole, so that the kiln door is connected to the transverse plate, the aperture of the through hole is larger than that of the threaded hole, and the transverse displacement of the kiln door relative to the transverse plate is realized.
4. The improved structure of the ceramic metallization sintering kiln door as recited in claim 1, further comprising a controller and a proximity switch, wherein the controller is connected with the motor and the proximity switch, the proximity switch is arranged at a position where the kiln door closes the kiln opening, and when the kiln door reaches the position where the kiln door closes, the kiln door automatically stops descending.
5. The improved structure of the door of the ceramic metallizing sintering kiln as recited in claim 4, wherein said controller is further connected to a hold-down mechanism, said hold-down mechanism automatically starts to apply pressure to the door of the kiln when the door stops descending, and automatically stops after a period of pressure application.
6. The improved structure of a ceramic metallized sintering furnace door as claimed in claim 1, wherein said pressing mechanism includes a pressing plate and an elastic pressing head, said elastic pressing head is installed on the frame and can make transverse elastic telescopic movement relative to the frame, one end of the elastic pressing head facing the sliding block is connected with the pressing plate, when the elastic pressing head is compressed and contracted, the elastic pressing head can press the pressing plate transversely to press the pulley to form the sealing between the furnace door and the furnace mouth.
7. The improved structure of the door of the ceramic metallizing and sintering furnace as claimed in claim 1, wherein more than two pulleys are provided on each side of the door of the furnace, and the pulleys on the same side are distributed along the longitudinal direction.
8. The improved structure of the door of the ceramic metallizing and sintering furnace as recited in claim 1, wherein a soft material is provided at a position where the sealing surface of the door of the furnace contacts the furnace mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364499.3A CN110895106A (en) | 2019-12-26 | 2019-12-26 | Improved structure of ceramic metallization sintering kiln door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364499.3A CN110895106A (en) | 2019-12-26 | 2019-12-26 | Improved structure of ceramic metallization sintering kiln door |
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| CN110895106A true CN110895106A (en) | 2020-03-20 |
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| CN201911364499.3A Pending CN110895106A (en) | 2019-12-26 | 2019-12-26 | Improved structure of ceramic metallization sintering kiln door |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551522A (en) * | 2021-06-10 | 2021-10-26 | 芜湖映日科技股份有限公司 | High-temperature sintering equipment of circulating shared hearth |
| CN115559647A (en) * | 2022-10-27 | 2023-01-03 | 北京航星机器制造有限公司 | Door device with adjustable closing height and adjusting method thereof |
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| CN206208018U (en) * | 2016-10-10 | 2017-05-31 | 上海金克半导体设备有限公司 | A kind of vacuum drying oven sealing mechanism with multi cylinder |
| CN208000050U (en) * | 2017-12-30 | 2018-10-23 | 国联汽车动力电池研究院有限责任公司 | A kind of high-temperature electric resistance furnace |
| CN109869755A (en) * | 2019-02-25 | 2019-06-11 | 大连富士冰山自动售货机有限公司 | Main entrance be driven journey variable to automatic food vending machine micro-wave oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101706210A (en) * | 2009-09-16 | 2010-05-12 | 苏州新长光热能科技有限公司 | Furnace door sealing device suitable for tank type heat treatment furnace |
| CN206208018U (en) * | 2016-10-10 | 2017-05-31 | 上海金克半导体设备有限公司 | A kind of vacuum drying oven sealing mechanism with multi cylinder |
| CN208000050U (en) * | 2017-12-30 | 2018-10-23 | 国联汽车动力电池研究院有限责任公司 | A kind of high-temperature electric resistance furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551522A (en) * | 2021-06-10 | 2021-10-26 | 芜湖映日科技股份有限公司 | High-temperature sintering equipment of circulating shared hearth |
| CN113551522B (en) * | 2021-06-10 | 2023-02-03 | 芜湖映日科技股份有限公司 | High-temperature sintering equipment of circulating shared hearth |
| CN115559647A (en) * | 2022-10-27 | 2023-01-03 | 北京航星机器制造有限公司 | Door device with adjustable closing height and adjusting method thereof |
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Application publication date: 20200320 |