CN117433283A - Continuous sintering device with early warning mechanism - Google Patents
Continuous sintering device with early warning mechanism Download PDFInfo
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- CN117433283A CN117433283A CN202311493598.8A CN202311493598A CN117433283A CN 117433283 A CN117433283 A CN 117433283A CN 202311493598 A CN202311493598 A CN 202311493598A CN 117433283 A CN117433283 A CN 117433283A
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- 238000005245 sintering Methods 0.000 title claims abstract description 244
- 230000007246 mechanism Effects 0.000 title claims abstract description 65
- 238000012544 monitoring process Methods 0.000 claims abstract description 83
- 238000001931 thermography Methods 0.000 claims abstract description 43
- 238000007664 blowing Methods 0.000 claims description 26
- 238000009413 insulation Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000005381 potential energy Methods 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006032 tissue transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a continuous sintering device with an early warning mechanism, which comprises a conveying mechanism and a sintering furnace body, wherein the conveying mechanism conveys a plurality of sintering molds to pass through the inside of the sintering furnace body, a monitoring groove is formed in the surface of the sintering furnace body in a penetrating manner, a traction mechanism is arranged on the outer side of the sintering furnace body, and the traction mechanism is used for traction of a thermal imager to move along the groove of the monitoring groove, and the monitoring position of the thermal imager is positioned in the sintering furnace body; according to the continuous sintering device with the early warning mechanism, the provided thermal imager moves along the groove direction of the monitoring groove under the traction of the traction mechanism, the thermal imager carries out thermal imaging treatment on a plurality of sintering molds in the sintering furnace body in the moving process, and the sintering temperatures of the plurality of sintering molds in the sintering furnace body can be accurately determined through a plurality of thermal imaging patterns, so that the sintering molding quality of products is ensured.
Description
Technical Field
The invention relates to the field of sintering equipment, in particular to a continuous sintering device with an early warning mechanism.
Background
The sintering furnace is special equipment for obtaining the required physical and mechanical properties and microstructure of the powder compact through sintering, and the sintering furnace is generally divided into a continuous sintering furnace and a intermittent sintering furnace according to different movement modes of the compact; the continuous sintering furnace has the advantages of large production capacity, uniform product quality, high thermal efficiency, convenient operation, low furnace construction material and heating element cost, long service life, small peak power, low sintering cost and the like, is widely used in the production of powder metallurgy mechanical parts, and is used for ensuring that dewaxing (lubricant or forming agent), reduction, alloying, tissue transformation and the like of powder pressed billets are smoothly carried out in the sintering process, the sintering temperature, protective atmosphere, pressed billets conveying mode, heating and cooling speed and the like are required to be accurately controlled during sintering, and then a monitoring and early warning mechanism is usually arranged on the sintering furnace to monitor the temperature, pressure and the like in the sintering furnace.
The patent with publication number CN211823895U, publication day of 2020, 10 months and 30 days discloses an ultra-high temperature automatic early warning stopping device for a sintering furnace, which comprises a base and the sintering furnace, wherein the upper surface of the base is provided with the sintering furnace, the inner surface wall of the sintering furnace is embedded with a temperature sensor, and the inner surface wall of the sintering furnace is provided with a heat dissipation coil; this sintering furnace superhigh temperature automatic early warning stop device, monitor the inside temperature of sintering furnace through temperature sensor, and can inform operating personnel around through buzzing alarm and carry out the operation of relieving danger in the temperature surpassing warning line, and through the setting of timer, can set for the timing time through the timer, if still the temperature surpasses the warning line in the timing time, the PLC controller automatic control sintering furnace heating device stops this moment, and still be provided with the radiator coil, through solenoid valve and radiator fan on the open intake pipe, draw the air to discharge into the radiator coil through radiator fan in, cool down the sintering furnace.
The temperature sensor is arranged on the inner surface wall to monitor the temperature in the sintering furnace, wherein the temperature sensor is arranged on the surface wall of the sintering furnace, so that the temperature sensor can only monitor the temperature in the sintering furnace and is not in contact with the sintering mold for storing materials, and the temperature sensor cannot accurately monitor the temperature of the sintering mold for storing the materials, so that the sintering molding quality of products is affected.
Disclosure of Invention
The invention aims to provide a continuous sintering device with an early warning mechanism, which solves the technical problems in the related art.
In order to achieve the above object, the present invention provides the following technical solutions:
a continuous sintering device with an early warning mechanism comprises a conveying mechanism and a sintering furnace body, wherein the conveying mechanism conveys a plurality of sintering molds to penetrate through the sintering furnace body, a monitoring groove is formed in the surface of the sintering furnace body in a penetrating mode, a traction mechanism is arranged on the outer side of the sintering furnace body and used for traction of a thermal imager to move along the groove of the monitoring groove, and a monitoring position of the thermal imager is located in the sintering furnace body.
The traction mechanism comprises an external furnace body, the external furnace body is sleeved outside the sintering furnace body, an accommodating interval exists between the external furnace body and the sintering furnace body, a driving part is arranged inside the external furnace body and connected with the thermal imaging instrument, and the driving part drives the thermal imaging instrument to move along the groove of the monitoring groove.
Above-mentioned, still be provided with adjustment mechanism in the sintering furnace body, adjustment mechanism is used for adjusting the sintering mould and puts the position unanimous in the sintering furnace body, guarantees that the sintering mould's that the thermal imaging appearance was shot at every turn position is unanimous.
The adjusting mechanism comprises the guide rod and the fine adjusting part, the guide rod and the fine adjusting part are arranged on two sides of the sintering mold, the guide rod is arranged on one side far away from the monitoring groove, the axial direction of the guide rod is parallel to the conveying direction of the conveying mechanism, the fine adjusting part is slidably mounted in the monitoring groove and is connected with the monitoring part of the thermal imaging instrument, and the fine adjusting part slides along the groove direction of the monitoring groove.
The fine adjustment part comprises the heat insulation baffle and the connecting through pipe, the heat insulation baffle is slidably mounted in the monitoring groove, the length direction of the heat insulation baffle is consistent with the groove direction of the monitoring groove, the holding grooves are further formed in the two ends of the monitoring groove, the holding grooves penetrate through the sintering furnace body, the heat insulation baffle is placed in the monitoring groove, the two ends of the heat insulation baffle are respectively inserted into the holding grooves in the two sides of the monitoring groove, the connecting through pipe is mounted on the heat insulation baffle, and the connecting through pipe is sleeved on the monitoring part of the thermal imager.
The connecting through pipe is in the following two states in the sintering furnace body;
one is: the end part of the connecting through pipe, which is far away from the monitoring groove, is arranged at intervals with the sintering mold;
the second step is: the end part of the connecting through pipe far away from the monitoring groove is attached to the surface of the sintering mold.
The connecting through pipe is a telescopic mechanism, the end part of the connecting through pipe, which is far away from the thermal imaging instrument, is provided with a first heightening ring, the outer side of the end part of the connecting through pipe, which is far away from the thermal imaging instrument, is sleeved with an external sleeve, the end part of the external sleeve, which is close to the thermal imaging instrument, is provided with a second heightening ring, the inner circular surface of the second heightening ring is contacted with the pipe wall of the external connecting through pipe, the first heightening ring is connected with the second heightening ring through a plurality of connecting springs, and the connecting springs are arranged along the circumferential interval of the connecting through pipe.
Above-mentioned, a plurality of gas vents have been seted up to the lateral wall top of connecting the siphunculus, and a plurality of gas vents set up along the axial interval of connecting the siphunculus, and the air guide mouth has been seted up to the thermal-insulated baffle inside, and air guide mouth one end is linked together with the inner chamber of connecting the siphunculus, is connected with the module of blowing on the other end of air guide mouth, and the module of blowing ventilates to air guide mouth inside, and the air current passes through the air guide mouth and gets into to the connecting the siphunculus inside, spouts the inside air current of connecting the siphunculus from the gas vent.
The exhaust port is provided with the closed stop block in a sliding manner, the closed stop block and the exhaust port are coaxially arranged, the closed stop block is provided with the exhaust channel which is L-shaped, an opening of the exhaust channel, which is close to the inner cavity of the connecting through pipe, is formed in the end part of the closed stop block, and the other opening of the exhaust channel is formed in the side wall of the closed stop block.
The blowing module comprises a blowing pump, the blowing end of the blowing pump is connected with the air guide port through a pipeline, and the blowing pump is fixedly arranged on the surface of the external furnace body.
The invention has the beneficial effects that: according to the technical scheme, the thermal imager moves along the groove direction of the monitoring groove under the traction of the traction mechanism, and in the moving process, the thermal imager carries out thermal imaging treatment on a plurality of sintering molds in the sintering furnace body, and the sintering temperatures of the plurality of sintering molds in the sintering furnace body can be accurately determined through a plurality of thermal imaging patterns, so that the sintering molding quality of products is ensured.
Drawings
For a clearer description of embodiments of the present application or of the solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments described in the present invention, and that other drawings may be obtained according to these drawings for a person skilled in the art.
FIG. 1 is a schematic top view of a continuous sintering device of an early warning mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic front view of a continuous sintering device of an early warning mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2 provided by an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating a connection between a trimming portion and a thermal imager according to another embodiment of the present invention;
FIG. 5 is an enlarged view of FIG. 4B according to another embodiment of the present invention;
FIG. 6 is a schematic view illustrating a state in which an exhaust passage provided in another embodiment of the present invention communicates a connecting tube with an inner cavity of a sintering furnace;
FIG. 7 is a schematic view illustrating a connection between a protection component and a connecting pipe according to another embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of C-C of FIG. 7, provided by a further embodiment of the invention;
FIG. 9 is a schematic view illustrating a state in which protective sheets are separated from each other according to another embodiment of the present invention;
FIG. 10 is a schematic view of a wiping pad of a protective sheet adjacent to a surface removed portion of a thermal imager according to yet another embodiment of the invention;
fig. 11 is an enlarged schematic view of a region D of fig. 7 according to still another embodiment of the present invention.
Reference numerals illustrate:
1. a conveying mechanism; 2. sintering furnace bodies; 3. sintering a die; 4. monitoring the groove; 41. a placement groove; 5. a traction mechanism; 51. an external furnace body; 52. a receiving space; 53. a driving section; 6. a thermal imager; 7. an adjusting mechanism; 71. a guide rod; 72. a fine adjustment unit; 721. a thermal shield; 722. an air guide port; 73. connecting a through pipe; 731. a first raised ring; 732. an external sleeve; 733. a second heightening ring; 734. a connecting spring; 735. an exhaust port; 736. a closing stop block; 737. an exhaust passage; 738. a second drawbar; 739. a second wedge; 8. a blowing module; 9. a protective assembly; 91. a guard ring; 92. a chute; 93. a protective sheet; 931. a guide groove; 932. retracting the sliding block; 933. a retraction spring; 934. a wiping pad; 935. a contact stopper; 94. a first drawbar; 95. a first wedge; 96. and limiting the stop block.
Detailed Description
In order to better understand the technical solution of the present invention, the present invention will be further described in detail with reference to fig. 1 to 11.
The embodiment of the invention provides a continuous sintering device with an early warning mechanism, which comprises a conveying mechanism 1 and a sintering furnace body 2, wherein the conveying mechanism 1 is horizontally arranged on the ground, openings are arranged at two ends of the sintering furnace body 2, in order to avoid high temperature baking of workers, preferably, one side of the conveying mechanism 1 is also provided with an automatic mechanical arm, the automatic mechanical arm conveys sintering molds 3 filled with materials onto the conveying mechanism 1, the conveying mechanism 1 conveys a plurality of sintering molds 3 to enter from one end of the sintering furnace body 2 and penetrate from the other end of the sintering furnace body 2, the conveying mechanism 1 comprises a driving motor and a high temperature resistant conveying belt, the driving motor drives the high temperature resistant conveying belt to convey the sintering molds 3 inside the sintering furnace body 2, the surface of the sintering furnace body 2 is penetrated and provided with a monitoring groove 4, the monitoring groove 4 enables the inner cavity of the sintering furnace body 2 to be communicated with the external environment, the groove of the monitoring groove 4 is parallel to the conveying direction of the conveying mechanism 1, the outer side of the sintering furnace body 2 is provided with a traction mechanism 5, the traction mechanism 5 comprises a driving part 53, preferably, the driving part 53 is an electric control telescopic rod, the telescopic end of the electric control telescopic rod is connected with the thermal imager 6, the electric control telescopic rod stretches or contracts to drive the thermal imager 6 to reciprocate along the groove of the monitoring groove 4, and the monitoring part of the thermal imager 6 is positioned in the sintering furnace body 2, wherein the monitoring part of the thermal imager 6 is the lens part of the thermal imager.
Specifically, the automatic mechanical arm places the sintering molds 3 filled with materials on the high-temperature-resistant conveying belt of the conveying mechanism 1 one by one, the high-temperature-resistant conveying belt brings the sintering molds 3 to pass through the sintering furnace body 2, when the sintering molds 3 sinter inside the sintering furnace body 2, the electric control telescopic rod serving as the driving part 53 starts to work, the electric control telescopic rod stretches to slide along the groove of the monitoring groove 4 along with the thermal imager 6, at the moment, the monitoring part of the thermal imager 6 moves synchronously along with the thermal imager 6, the thermal imager 6 continuously carries out thermal imaging treatment on the sintering molds 3 inside the sintering furnace body 2 in the moving process to obtain a plurality of thermal imaging patterns, the thermal imager 6 remotely transmits the plurality of thermal imaging patterns to a computer, the computer analyzes the plurality of thermal imaging patterns, determines the temperatures of different parts of the plurality of the sintering molds 3 inside the sintering furnace body 2, monitors the temperatures of the plurality of the sintering molds 3 inside the sintering furnace body 2, and improves the sintering quality of products inside the sintering molds 3.
It should be noted that, when the conventional thermal imager 6 performs thermal imaging, the thermal imager 6 can only perform planar photographing, but cannot photograph a thermal imaging picture with depth information, that is, when the surface of an object is blocked, the thermal imager 6 cannot photograph a thermal imaging map of the blocked surface of the object, and in this embodiment, the thermal imager 6 is further driven to slide along the groove of the monitoring groove 4 to drive the monitored portion of the thermal imager 6 to move inside the sintering furnace 2, and after each movement end distance (the distance is preferably the interval distance between two adjacent sintering molds 3), the thermal imaging map of the sintering mold 3 inside the sintering furnace 2 is photographed, so that the thermal imager 6 cannot normally measure the temperature of the sintering mold 3 due to the existence of a blocking object, and the temperature of a plurality of sintering molds 3 inside the sintering furnace 2 can be accurately determined through the comparison of the thermal imaging maps of a plurality of angles, so as to improve the sintering quality of products inside the sintering mold 3.
In order to ensure normal use of the thermal imager 6, the thermal imager 6 is selected to be a type with high temperature resistance, and meanwhile, a lens of the thermal imager 6 should be wrapped with a heat insulation material to avoid high temperature damage to the thermal imager 6, which is common knowledge in the art and is not repeated.
The thermal imager 6 transmits the shot thermal imaging spectra to the computer, and the computer determines the temperatures of the plurality of sintering molds 3 inside the sintering furnace body 2 through analysis of the plurality of thermal imaging spectra, which are all in the prior art, and are not described herein.
The traction mechanism 5 further comprises an external furnace body 51, the external furnace body 51 is sleeved outside the sintering furnace body 2, preferably, the external furnace body 51 and the sintering furnace body 2 are coaxially arranged, an accommodating interval 52 is formed between the external furnace body 51 and the sintering furnace body 2, and the driving part 53 is arranged in the accommodating interval 52.
Specifically, the external furnace body 51 is additionally arranged on the outer side of the sintering furnace body 2, the side wall of the sintering furnace body 2 is isolated from the outside by the external furnace body 51, a double-layer heat insulation structure is formed, and the loss speed of heat in the sintering furnace body 2 is slowed down, so that the temperature outside the external furnace body 51 is relatively low, workers can conveniently work nearby, and workers are prevented from being baked in a high-temperature environment for a long time.
It should be noted that, when the existing sintering furnace body 2 performs sintering treatment on the sintering mold 3, flames often exist in the sintering furnace body 2, the flames in the sintering furnace body 2 interfere with thermal imaging of the thermal imager 6, that is, when the thermal imager 6 performs thermal imaging, the recorded flame temperature cannot penetrate through the flame to record the temperature of the sintering mold 3 in the flame, so that accuracy of the thermal imager 6 in monitoring the surface temperature of the sintering mold 3 is easily affected, and quality of product molding in the sintering mold 3 is affected.
Thus, in another embodiment of the invention, the inside of the sintering furnace body 2 is also provided with an adjusting mechanism 7, the adjusting mechanism 7 is used for adjusting the placement positions of the sintering molds 3 of different batches in the sintering furnace body 2 to be consistent all the time, the position of the sintering molds 3 shot by the thermal imager 6 each time is guaranteed to be consistent, the adjusting mechanism 7 comprises a guide rod 71 and a fine tuning part 72, the guide rod 71 and the fine tuning part 72 are respectively arranged at two sides of the sintering mold 3, in the embodiment, the cross section of the sintering mold 3 is rectangular, the interval distance between the guide rod 71 and the fine tuning part 72 is one width of the sintering mold 3, namely, only one sintering mold 3 can be placed between the guide rod 71 and the fine tuning part 72, two ends of the guide rod 71 are connected with the inner wall of the sintering furnace body 2, the guide rod 71 is arranged at one side far away from the monitoring groove 4, the axial direction of the guide rod 71 is parallel to the conveying direction of the conveying mechanism 1, the trimming part 72 is slidably arranged in the monitoring groove 4 and is connected with the monitoring part of the thermal imager 6, the trimming part 72 slides along the groove direction of the monitoring groove 4, the trimming part 72 comprises a connecting through pipe 73, the connecting through pipe 73 is sleeved on the monitoring part of the thermal imager 6, the axial direction of the connecting through pipe 73 is perpendicular to the length direction of the monitoring groove 4, in the initial state, the end part of the connecting through pipe 73 far away from the monitoring groove 4 is arranged at intervals with the sintering mold 3, namely, the end part of the connecting through pipe 73 far away from the monitoring groove 4 is separated from the surface of the sintering mold 3, the connecting through pipe 73 is not contacted with the surface of the sintering mold 3, when the interval exists between the connecting through pipe 73 and the sintering mold 3, the normal conveying of the sintering mold 3 by a high-temperature-resistant conveying belt is facilitated, when the thermal imager 6 needs to carry out thermal imaging shooting on the sintering mold 3, the end of the connecting tube 73, which is far away from the monitoring groove 4, is attached to the surface of the sintering mold 3.
Specifically, the automatic mechanical arm places the sintering mold 3 filled with the material on the high temperature resistant conveying belt, then the sintering mold 3 carried by the high temperature resistant conveying belt enters the sintering furnace body 2, then the high temperature resistant conveying belt is temporarily stopped, the sintering mold 3 carried by the high temperature resistant conveying belt is heated in the sintering furnace body 2 and the sintering furnace body for sintering treatment, when the temperature of the sintering mold 3 in the sintering furnace body 2 needs to be monitored, the electric control telescopic rod as the driving part 53 starts to work, the electric control telescopic rod stretches and slides along the groove of the monitoring groove 4 along the thermal imager 6, the monitoring part of the thermal imager 6 moves synchronously along with the thermal imager 6, the connecting through pipe 73 on the monitoring part of the thermal imager 6 contacts with the sintering mold 3 in the moving process, and the two sides of the sintering mold 3 are respectively provided with the guide rod 71 and the connecting through pipe 73, and the distance between the guide rod 71 and the connecting through pipe 73 is just enough for one sintering mold 3 to pass, so that when the connecting through pipe 73 passes through the sintering mold 3, the sintering mold 3 can be closely attached to the surface of the guide rod 71 under the extrusion of the connecting through pipe 73, so that a plurality of sintering molds 3 in the sintering furnace body 2 keep the same state, at the moment, the side surface of the sintering mold 3 close to the thermal imager 6 is mutually perpendicular to the axial direction of the lens of the thermal imager 6, then, along with the continuous movement of the thermal imager 6 along with the electric control telescopic rod, one end of the connecting through pipe 73 far away from the thermal imager 6 is closely attached to the side surface of the sintering mold 3 close to the thermal imager 6, the inner cavity of the connecting through pipe 73 forms a channel for the thermal imager 6 to shoot the sintering mold 3, so that when the thermal imager 6 shoots the sintering mold 3, the interference of flame to the shooting of the thermal imager 6 is avoided, and the accuracy of the thermal imager 6 in shooting the sintering mold 3 is improved.
When determining the temperature of the sintering mold 3, the temperature of the partial surface area of the sintering mold 3 is determined, and the temperature of the whole surface of the sintering mold 3 is not required to be photographed, so that the whole side surface of the sintering mold 3 is not required to be completely wrapped by using a particularly large connecting pipeline 73, the connecting pipeline 73 is small in size, the connecting pipeline 73 can conveniently move in the sintering furnace body 2, the small connecting pipeline 3 can avoid the equipment in the sintering furnace body 2, and the situation that the connecting pipeline 3 collides with the equipment in the sintering furnace body 2 to damage the sintering furnace body 2 is avoided.
In the above embodiment, although the thermal imager 6 can shoot a plurality of sintering dies 3 in the sintering furnace 2 at one time, so that the temperature of the plurality of sintering dies 3 can be commonly determined by the plurality of thermal imagers 6, the temperature of the sintering dies 3 can not be accurately determined by one thermal imaging map, when flame in the sintering furnace 2 exists between the sintering dies 3 and the thermal imager 6, the thermal imager 6 can only shoot the temperature of the flame, and can not shoot the temperature of the sintering dies 3 after the flame, when the temperature of the sintering dies 3 needs to be accurately but still stable, the temperature of the sintering dies 3 needs to be accurately determined by the plurality of thermal imagers 6 at a plurality of positions, and when the temperature of the sintering dies 3 needs to be accurately shot by one thermal imager 6, the temperature of the sintering dies 3 can not be accurately determined by the plurality of thermal imagers 3 in the same manner, in the embodiment, the inner cavity of the connecting channel 73 forms a channel for shooting the sintering dies 3 by the thermal imager 6, when the temperature of the sintering dies 3 is needed to be shot by the thermal imager 6, or the temperature of the sintering dies 3 can not be accurately determined by the plurality of thermal imager 6, and the temperature of the plurality of sintering dies 3 can not be accurately determined by the plurality of thermal imager 3 at a plurality of positions, and the temperature of the sintering dies 3 can be accurately determined by the plurality of temperature of the thermal imager 3 when the temperature of the sintering dies 3 needs to be shot by the sintering dies 3.
Preferably, the fine adjustment portion 72 further includes a heat insulation baffle 721, the heat insulation baffle 721 is slidably mounted in the monitoring groove 4, the length direction of the heat insulation baffle 721 is consistent with the groove direction of the monitoring groove 4, a placing groove 41 is further formed in the groove walls at two ends of the monitoring groove 4, the placing groove 41 penetrates through the sintering furnace body 2, the heat insulation baffle 721 is placed in the monitoring groove 4, the heat insulation baffle 721 shields and seals the monitoring groove 4, the inner cavity of the sintering furnace body 2 and the accommodation space 52 of the external furnace body 51 are separated from the sintering furnace body 2, two ends of the heat insulation baffle 721 are respectively inserted into the placing groove 41 at two sides of the monitoring groove 4, in an initial state, the heat insulation baffle 721 completely shields the monitoring groove 4 and the placing groove 41 at one side, at this time, the thermal imager 6 is located at the end of the monitoring groove 4 close to the shielded placing groove 41, along with the thermal imager 6 sliding along the groove direction of the monitoring groove 4, when the thermal imager 6 moves to the other end of the monitoring groove 4, the heat insulation baffle 721 completely shields the placing groove 41 at the other end, and the shielding area of the monitoring groove 4 can be completely shielded no matter how the thermal imager 6 moves along the monitoring groove 4.
Specifically, the monitoring tank 4 is closed by the heat insulation baffle 721, so that flame inside the sintering furnace body 2 can be slowed down, and the driving part 53 and the main body of the thermal imager 6 inside the accommodating interval 52 can be burned through the monitoring tank 4, so that the situation that the driving part 53 and the main body of the thermal imager 6 are damaged under flame burning can be effectively avoided.
It should be noted that, in the present embodiment, the heat insulation material should be selected for the heat insulation baffle 721 and the connecting tube 73, and it is preferable that the heat insulation baffle 721 and the connecting tube 73 are made of ceramic fiber.
Further, the connecting through pipe 73 is a telescopic mechanism, the end part of the connecting through pipe 73 far away from the thermal imaging instrument 6 is provided with a first heightening ring 731, an external sleeve 732 is sleeved on the outer side of the first heightening ring 731, a second heightening ring 733 is fixedly arranged on the end part of the external sleeve 732 close to the thermal imaging instrument 6, the inner circular surface of the second heightening ring 733 is in contact with the pipe wall of the outer connecting through pipe 73, the first heightening ring 731 and the second heightening ring 733 are connected through a plurality of connecting springs 734, and the connecting springs 734 are arranged along the circumferential direction of the connecting through pipe 73 at intervals.
Specifically, along with the movement of the thermal imager 6, the external sleeve 732 on the connecting through pipe 73 contacts with the sintering mold 3, the sintering mold 3 and the external sleeve 732 are mutually extruded, when the external sleeve 732 is extruded, the external sleeve 732 slides along the axial direction of the connecting through pipe 73 towards the direction far away from the sintering mold 3, at this time, the connecting spring 734 is compressed, and the compressed connecting spring 734 pushes the external sleeve 732 to move towards the sintering mold 3 under the action of elasticity, so that the end part of the external sleeve 732 close to the sintering mold 3 is tightly attached to the surface of the sintering mold 3, gaps are formed at the contact position between the external sleeve 732 and the sintering mold 3, flame inside the sintering furnace body 2 enters into the external sleeve 732 along the gaps, and then when the thermal imager 6 performs thermal imaging, the flame can interfere shooting of the thermal imager 6, and the accuracy of the thermal imager 6 is affected.
A plurality of exhaust ports 735 are arranged above the side wall of the connecting through pipe 73, the plurality of exhaust ports 735 are arranged at intervals along the axial direction of the connecting through pipe 73, an air guide port 722 is arranged in the heat insulation baffle 721, one end of the air guide port 722 is communicated with the inner cavity of the connecting through pipe 73, the other end of the air guide port 722 is connected with an air blowing module 8, the air blowing module 8 comprises an air blowing pump, the air blowing end of the air blowing pump is connected with the air guide port 722 through a pipeline, the air blowing pump is fixedly arranged on the surface of the external furnace body 51, the air blowing pump ventilates the air guide port 722, air flow enters the connecting through pipe 73 through the air guide port 722, a sealing stop 736 is slidably arranged at the exhaust port 735, the sealing stop 736 and the exhaust port 735 are coaxially arranged, a plurality of reset sliding grooves are arranged on the side wall of the exhaust port 735 at intervals along the circumferential direction of the exhaust port 735, a plurality of reset sliding blocks are arranged on the side wall of the sealing stop 736, the reset slide blocks are in one-to-one correspondence with the reset slide grooves, the reset slide blocks are inserted into the corresponding reset slide grooves, the reset slide blocks are connected with the reset slide grooves through reset springs, the closed stop block 736 is provided with an exhaust channel 737, the exhaust channel 737 is L-shaped, an opening of the exhaust channel 737 close to the inner cavity of the connecting through pipe 73 is formed at the end part of the closed stop block 736, the other opening of the exhaust channel 737 is formed on the side wall of the closed stop block 736, in the initial state, the opening of the exhaust channel 737 positioned on the side wall is abutted against the inner wall of the exhaust port 735, at the moment, the exhaust channel 737 is in the closed state, when the air blowing pump blows air into the connecting through pipe 73, the air flow pushes the closed stop block 736 to move along the axial direction of the exhaust port 735 towards a direction far away from the inner cavity of the connecting through pipe 73 until the opening of the exhaust channel 737 positioned on the side wall is separated from the connecting through pipe 73, at the moment, under the communication of the exhaust channel 737, the connecting through pipe 73 is communicated with the inner cavity of the sintering furnace body 2.
Specifically, because the connecting tube 73 is located inside the sintering furnace body 2, smoke may be generated during combustion inside the sintering furnace body 2, the smoke entering the connecting tube 73 may interfere with normal temperature measurement of the thermal imager 6, further when the end portion of the external sleeve 732 close to the sintering mold 3 is tightly abutted against the surface of the sintering mold 3, and forms an imaging channel for shooting by the thermal imager 6, the air pump starts to work first, the air blowing end of the air pump blows up to the air guide port 722 through the pipeline, air flow enters the inside of the connecting tube 73 through the air guide port 722, then the air flow entering the inside of the connecting tube 73 pushes the closing block 736 to move along the axial direction of the air outlet 735 in a direction away from the inner cavity of the connecting tube 73, at this time, the reset slider on the closing block 736 moves along the reset chute in a direction away from the inner cavity of the connecting tube 73, the reset spring is compressed and accumulated with elastic potential energy, until the opening of the exhaust channel 737 on the side wall is separated from the connecting through pipe 73, at this time, under the communication of the exhaust channel 737, the connecting through pipe 73 is communicated with the inner cavity of the sintering furnace body 2, the flue gas in the connecting through pipe 73 is discharged into the sintering furnace body 2 along the exhaust channel 737, the flue gas in the connecting through pipe 73 is exhausted, then the air blowing pump stops working, the sealing block 736 generates a trend of sliding along the axial direction of the exhaust port 735 towards the inside of the connecting through pipe 73 under the action of gravity, at this time, the elastic potential energy accumulated by the reset spring is released, the reset slide block on the block 736 is driven to move along the reset slide groove towards the direction close to the inner cavity of the connecting through pipe 73 until the opening of the exhaust channel 737 on the side wall is attached to the inner wall of the exhaust port 735, the sealing block 736 is driven to reset, at this time, the flue gas and flame outside the exhaust channel 737 is placed in a sealing state and enters into the inside of the exhaust channel 737, then the thermal imager 6 starts to work, and the thermal imager 6 directly carries out thermal imaging treatment on the sintering mold 3 through the inner wall of the connecting through pipe 73, so that the accuracy of temperature monitoring is improved.
It should be noted that, as the air pump transmits air to the inside of the air guide port 722, the air flow will pass through the monitoring portion of the thermal imaging instrument 6 when the air guide port 722 enters the inside of the connecting tube 73, and as the air passes through the monitoring portion of the thermal imaging instrument 6, the air cools the thermal imaging instrument 6, so as to reduce the temperature of the thermal imaging instrument 6 and improve the service life of the thermal imaging instrument 6 at high temperature.
In still another embodiment of the present invention, the monitoring portion of the thermal imager 6 is further provided with a protection component 9, the protection component 9 includes a protection ring 91, the protection ring 91 is sleeved at the monitoring portion of the thermal imager 6, such as a lens, the protection ring 91 is connected with an end portion of the connection pipe 73 far away from the sintering mold 3, a plurality of sliding grooves 92 are formed in a side wall of the protection ring 91, the sliding grooves 92 are arranged at intervals along a circumferential direction of the protection ring 91, a plurality of protection pieces 93 are arranged on an inner circular surface of the protection ring 91, surfaces of the protection pieces 93 are attached to surfaces of the monitoring portion of the thermal imager 6, the protection pieces 93 are sequentially arranged along a circumferential direction of the protection ring 91, the protection pieces 93 are connected with each other to form a circle, the protection pieces 93 are in one-to-one correspondence with the sliding grooves 92, the protection pieces 93 are slidably mounted on the sliding grooves 92, a first traction rod 94 is further connected to the protection pieces 93, a first sleeve 738 is connected to an end portion of the first traction rod 94 far away from the protection piece 93, a plurality of second sleeve 738 is connected to an end portion of the external 732 far away from the mold 3, the second sleeve 738 is connected to the second sleeve 738, the protection piece 739 is correspondingly connected to the second sleeve 738, and the second sleeve 738 is connected to the second sleeve 738 is correspondingly connected to the second wedge rod 739.
Specifically, when the thermal imager 6 does not work, the plurality of protection sheets 93 are mutually attached to form a round shape and integrally attached to the surface of the monitoring part of the thermal imager 6, so that the lens of the thermal imager 6 is protected from blackening in a flame environment, thereby affecting the thermal imager 6 to perform thermal imaging shooting normally, when the thermal imager 6 needs to perform thermal imaging shooting, along with the movement of the thermal imager 6, the external sleeve 732 on the connecting tube 73 is in contact with the sintering mold 3, the sintering mold 3 and the external sleeve 732 are mutually extruded, when the external sleeve 732 is extruded, the external sleeve 732 slides along the axial direction of the connecting tube 73 towards the direction away from the sintering mold 3, the connecting spring 734 is stretched at the moment, and simultaneously along with the movement of the external sleeve 732, the plurality of second traction rods 738 and the second wedges 739 on the external sleeve 732 move synchronously along with the external sleeve 732, the plurality of second wedges 739 synchronize the plurality of pressing first wedges 95 on the guard ring 91, and drive the plurality of first wedges 95 to move along the radial direction of the guard ring 91 (i.e., the radial direction of the guard ring 91) away from the guard ring 91 simultaneously with the first traction rods 94 connected thereto, so that the plurality of guard plates 93 connected to the first traction rods 94 also move synchronously with the first traction rods 94, because the plurality of guard plates 93 are arranged along the circumferential direction of the guard ring 91, as the plurality of first traction rods 94 move away along the radial direction of the guard ring 93 (i.e., the radial direction of the guard ring 91) away from the guard ring 91, the plurality of guard plates 93 are also moved away from each other along the corresponding sliding grooves 92, so that the lens of the thermal imager 6 is exposed, the lens of the exposed thermal imager 6 photographs the sintering mold 3 through the connection 73, the temperature monitoring treatment of the sintering mold 3 is realized, and relative friction occurs between the protective sheet 93 and the lens of the thermal imager 6 along with the opening of the protective sheet 93, the protective sheet 93 erases dirt of the lens on the surface of the thermal imager 6, the cleanliness of the lens is kept at all times, and the shooting effect of the subsequent thermal imaging is improved.
Further, in this embodiment, the protection sheet 93 is in a fan shape, in order to improve the erasing effect of the protection sheet 93 on the lens of the thermal imager 6, the surface of the protection sheet 93 close to the lens of the thermal imager 6 is provided with a guiding slot 931, the slot direction of the guiding slot 931 is parallel to the axial direction of the first traction rod 94 connected with the protection sheet 93, a shrinkage slide block 932 is installed inside the guiding slot 931, the shrinkage slide block 932 is connected with the guiding slot 931 through a shrinkage spring 933, the surface of the protection sheet 93 close to the lens of the thermal imager 6 is further provided with a wiping pad 934, one end of the wiping pad 934 is fixedly connected with the fan-shaped tip of the protection sheet 93, the other end of the wiping pad 934 is fixedly connected with the shrinkage slide block 932, one end of the shrinkage slide block 932 away from the wiping pad 934 is further provided with an arc-shaped contact stop 935, and an arc-shaped limiting stop 96 is installed in the sliding slot 92 of the protection ring 92, wherein the wiping end 934 is made of a flexible material and can be deformed.
Specifically, when the plurality of first wedges 95 are simultaneously moved in a direction away from the guard ring 91 along the radial direction of the guard ring 91 (i.e., the radial direction of the guard ring 91) with the first traction rods 94 coupled thereto, so that the plurality of guard plates 93 coupled to the first traction rods 94 are also synchronously moved along the first traction rods 94, since the plurality of guard plates 93 are arranged along the circumferential direction of the guard ring 91, as the plurality of first traction rods 94 are moved away in a direction away from the guard ring 91 along the radial direction of the guard ring 93 (i.e., the radial direction of the guard ring 91), the plurality of guard plates 93 are also moved away from each other along the corresponding sliding grooves 92, when the guard plates 93 slide along the sliding grooves 92, the contact stoppers 935 on the guard plates 93 and the limit stoppers 96 in the sliding grooves 92 are pressed against each other, when the contraction springs 933 contract to accumulate elastic potential energy, the wiping pad 934 is elastically deformed, so that the deformed wiping pad 934 is always positioned in the connecting through pipe 73, the situation that the wiping pad 934 is in contact with high-temperature flame in the sintering furnace body 2 is avoided, the situation that the wiping pad 934 is burnt down occurs, when shooting is completed, the protecting sheet 93 is reset, namely, the protecting sheet 93 moves towards the inside of the connecting through pipe 73, the contact stop block 935 is gradually separated from the limiting stop block 96, at the moment, the elastic potential energy accumulated is released by the contraction spring 933, the originally compressed wiping pad 934 expands, the surface of the wiping pad 934 deforms when the compressed wiping pad 934 expands, dust on the surface of the wiping pad 934 is easy to shake off, the shaken dust falls into the inside of the connecting through pipe 73, and when the subsequent blowing module 8 blows out the dust from the exhaust channel 737 on the sealing stop block 736, so that the cleanness of the lens of the thermal imager 6 is ensured, the accuracy of shooting the sintering mold 3 is improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides a continuous sintering device with early warning mechanism, including conveying mechanism (1) and sintering furnace body (2), conveying mechanism (1) are used for carrying a plurality of sintering mould (3) to pass from sintering furnace body (2) inside, its characterized in that, monitoring groove (4) have been run through on the surface of sintering furnace body (2), the outside of sintering furnace body (2) is provided with traction mechanism (5), traction mechanism (5) traction thermal imaging appearance (6) are along the groove of monitoring groove (4) to the removal, the monitoring portion of thermal imaging appearance (6) is located the inside of sintering furnace body (2).
2. The continuous sintering device with the early warning mechanism according to claim 1, characterized in that the traction mechanism (5) comprises an external furnace body (51), the external furnace body (51) is sleeved outside the sintering furnace body (2), a containing space (52) is reserved between the external furnace body (51) and the sintering furnace body (2), a driving part (53) is arranged inside the external furnace body (51), the driving part (53) is connected with the thermal imager (6), and the driving part (53) drives the thermal imager (6) to move along a groove of the monitoring groove (4).
3. The continuous sintering device with the early warning mechanism according to claim 2, wherein an adjusting mechanism (7) is further arranged in the sintering furnace body (2), and the adjusting mechanism (7) is used for adjusting the placement position of the sintering mold (3) in the sintering furnace body (2) to be consistent, so that the position of the sintering mold (3) shot each time by the thermal imager (6) is ensured to be consistent.
4. A continuous sintering device with a warning mechanism according to claim 3, characterized in that the adjusting mechanism (7) comprises a guide rod (71) and a fine tuning part (72), the guide rod (71) and the fine tuning part (72) are arranged on two sides of the sintering mold (3), the guide rod (71) is arranged on one side far away from the monitoring groove (4), the axial direction of the guide rod (71) is parallel to the conveying direction of the conveying mechanism (1), the fine tuning part (72) is slidably arranged in the monitoring groove (4) and is connected with the monitoring part of the thermal imager (6), and the fine tuning part (72) slides along the groove direction of the monitoring groove (4).
5. The continuous sintering device with the early warning mechanism according to claim 4, characterized in that the fine adjustment part (72) comprises a heat insulation baffle (721) and a connecting through pipe (73), the heat insulation baffle (721) is slidably installed in the monitoring groove (4), the length direction of the heat insulation baffle (721) is consistent with the groove direction of the monitoring groove (4), the two ends of the monitoring groove (4) are provided with placing grooves (41), the placing grooves (41) penetrate through the sintering furnace body (2), the heat insulation baffle (721) is placed in the monitoring groove (4), the two ends of the heat insulation baffle (721) are respectively inserted into the placing grooves (41) at the two sides of the monitoring groove (4), the connecting through pipe (73) is installed on the heat insulation baffle (721), and the connecting through pipe (73) is sleeved on the monitoring part of the thermal imager (6).
6. The continuous sintering device with the early warning mechanism according to claim 5, characterized in that the connecting through pipe (73) is in the following two states in the sintering furnace body (2);
one is: the end part of the connecting through pipe (73) far away from the monitoring groove (4) is arranged at intervals between the sintering mold (3);
the second step is: the end part of the connecting through pipe (73) far away from the monitoring groove (4) is attached to the surface of the sintering mold (3).
7. The continuous sintering device with the early warning mechanism according to claim 6, characterized in that the connecting through pipe (73) is a telescopic mechanism, a first heightening ring (731) is arranged at the end part of the connecting through pipe (73) far away from the thermal imaging instrument (6), an external sleeve (732) is sleeved outside the end part of the connecting through pipe (73) far away from the thermal imaging instrument (6), a second heightening ring (733) is arranged at the end part of the external sleeve (732) close to the thermal imaging instrument (6), the inner circular surface of the second heightening ring (733) is contacted with the pipe wall of the outer connecting through pipe (73), the first heightening ring (731) is connected with the second heightening ring (733) through a plurality of connecting springs (734), and the connecting springs (734) are arranged at intervals along the circumference of the connecting through pipe (73).
8. The continuous sintering device with the early warning mechanism according to claim 7, characterized in that a plurality of exhaust ports (735) are formed above the side wall of the connecting through pipe (73), the exhaust ports (735) are arranged at intervals along the axial direction of the connecting through pipe (73), air guide ports (722) are formed in the heat insulation baffle (721), one ends of the air guide ports (722) are communicated with the inner cavity of the connecting through pipe (73), air blowing modules (8) are connected to the other ends of the air guide ports (722), the air blowing modules (8) ventilate the inside of the air guide ports (722), air flows enter the connecting through pipe (73) through the air guide ports (722), and air flows in the connecting through pipe (73) are ejected out of the exhaust ports (735).
9. The continuous sintering device with the early warning mechanism according to claim 8, characterized in that a closed stop (736) is slidably mounted at the exhaust port (735), the closed stop (736) and the exhaust port (735) are coaxially arranged, an exhaust passage (737) is formed in the closed stop (736), the exhaust passage (737) is L-shaped, an opening of the exhaust passage (737) close to the inner cavity of the connecting through pipe (73) is formed in the end portion of the closed stop (736), and the other opening of the exhaust passage (737) is formed in the side wall of the closed stop (736).
10. The continuous sintering device with the early warning mechanism according to claim 8, characterized in that the blowing module (8) comprises a blowing pump, the blowing end of the blowing pump is connected with the air guide port (722) through a pipeline, and the blowing pump is fixedly arranged on the surface of the external furnace body (51).
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| CN202311493598.8A CN117433283B (en) | 2023-11-10 | 2023-11-10 | Continuous sintering device with early warning mechanism |
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| CN202311493598.8A CN117433283B (en) | 2023-11-10 | 2023-11-10 | Continuous sintering device with early warning mechanism |
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| CN109114985A (en) * | 2017-06-26 | 2019-01-01 | 鞍钢股份有限公司 | System for detecting and controlling flame combustion uniformity in online sintering ignition furnace |
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| CN211823895U (en) * | 2020-02-27 | 2020-10-30 | 河南雅利安新材料有限公司 | Automatic early warning stop device of fritting furnace ultra-temperature |
| CN114112068A (en) * | 2021-12-23 | 2022-03-01 | 李忠义 | Fire observation monitoring device for industrial metallurgy sintering process |
| CN219656629U (en) * | 2023-03-21 | 2023-09-08 | 天津市一诺天地科技有限公司 | Sintering machine tail thermal imaging device |
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- 2023-11-10 CN CN202311493598.8A patent/CN117433283B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114985A (en) * | 2017-06-26 | 2019-01-01 | 鞍钢股份有限公司 | System for detecting and controlling flame combustion uniformity in online sintering ignition furnace |
| CN211178005U (en) * | 2019-12-10 | 2020-08-04 | 北京北科亿力科技有限公司 | Sintering machine tail thermal imaging device |
| CN211823895U (en) * | 2020-02-27 | 2020-10-30 | 河南雅利安新材料有限公司 | Automatic early warning stop device of fritting furnace ultra-temperature |
| CN114112068A (en) * | 2021-12-23 | 2022-03-01 | 李忠义 | Fire observation monitoring device for industrial metallurgy sintering process |
| CN219656629U (en) * | 2023-03-21 | 2023-09-08 | 天津市一诺天地科技有限公司 | Sintering machine tail thermal imaging device |
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