CN113639551A - Rotatable chain plate type heating furnace - Google Patents
Rotatable chain plate type heating furnace Download PDFInfo
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- CN113639551A CN113639551A CN202110994808.6A CN202110994808A CN113639551A CN 113639551 A CN113639551 A CN 113639551A CN 202110994808 A CN202110994808 A CN 202110994808A CN 113639551 A CN113639551 A CN 113639551A
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- heating furnace
- chain
- chain plate
- tensioning
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- 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
- F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
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- 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
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
- F27B9/10—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated heated by hot air or gas
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- 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
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
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- 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
- F27B9/3005—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
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- 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
- F27B9/36—Arrangements of heating devices
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- 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
- F27B9/38—Arrangements of devices for charging
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- 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
- F27B9/39—Arrangements of devices for discharging
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- 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
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- 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
- F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
- F27B2009/026—Two or more conveyors, e.g. mounted successively
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- 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
- F27B9/38—Arrangements of devices for charging
- F27B2009/382—Charging
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- 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
- F27B9/38—Arrangements of devices for charging
- F27B2009/386—Lateral intake or outtake
Abstract
The invention discloses a rotary chain plate type heating furnace, which comprises: the material loading robot, the gas collecting channel, the heating furnace, circulating fan, heating system, the work piece, the discharge door, laser location detection mechanism, ejection of compact robot, the link joint rises and tightly installs, the link joint device, electrical apparatus control system and link joint actuating mechanism, the material loading robot sets up in the material loading end of heating furnace, the gas collecting channel sets up in the import top of heating furnace, circulating fan installs the top at the heating furnace, heating system installs the side at the heating furnace, and stretch into the inside of heating furnace, the discharge end at the heating furnace is installed to the discharge door, electrical apparatus control system sets up the side at the heating furnace, the quantity of link joint device is a plurality of, a plurality of link joint device is arranged and is installed in the heating furnace, the heating furnace is all stretched out at the both ends of link joint device, the link joint rises and tightly installs the material loading end tip at the heating furnace. The invention can shorten the furnace length with the same work station number, effectively reduce the energy consumption and simultaneously reduce the investment cost.
Description
Technical Field
The invention relates to the technical field of heat treatment, in particular to a rotatable chain plate type heating furnace.
Background
At present, domestic heating furnaces for aluminum alloy parts before forging mainly comprise a periodic heating furnace, a mesh belt type heating furnace, a chain type heating furnace and a roller hearth type heating furnace. The two main drawbacks of the prior art with respect to the device of the present invention are the following:
1) the feeding and discharging of the periodic heating furnace are manually operated, the intelligent degree is very low, the general yield is small, and the requirement of batch stable production cannot be met;
2) because of the inherent characteristics of the mesh belt, the mesh belt type heating furnace has lower bearing capacity and easy deformation, generally adopts manual feeding and discharging, cannot meet the requirement of automatic production, and has higher temperature after discharging;
3) the chain type heating furnace and the roller-hearth type heating furnace have special requirements on the shape of the workpiece, can only carry the workpiece with a regular shape (such as a flat plate, a round bar and the like), and cannot meet the use requirements of special-shaped parts;
4) the conventional mesh belt furnace, the conventional chain furnace and the conventional roller hearth furnace convey workpieces forward in a single direction, the stepping distance of each time is fixed, and if the adjacent workpieces are close to each other, the group of workpieces close to the discharging is easily exposed out of the furnace when the workpieces are discharged, so that the temperature of the workpieces is reduced, and the temperature of the workpieces cannot meet the requirement before forging at the next beat. If the distance between adjacent workpieces is long, the stepping distance of each time is increased, so that the heating furnace is lengthened, the equipment cost is increased, meanwhile, the occupied area is large, and the layout of a workshop is influenced.
Disclosure of Invention
The invention aims to provide a rotary chain plate type heating furnace, which solves the problem that the prior furnace types cannot meet the requirements of mass and automatic production, reduces the danger of manual work, saves the cost and improves the efficiency; a plurality of rows of chain plates can be placed in the heating furnace, each row of chain plates is independently driven, a plurality of groups of workpieces can be simultaneously or sequentially conveyed in a rotating way, and the production efficiency is improved; a robot is adopted for feeding and discharging, a discharge port is automatically positioned by laser ranging, and unmanned operation can be realized for feeding and discharging; meanwhile, the chain plate can realize forward and reverse rotation, the forward and backward moving step distance is adjustable, the furnace length can be shortened when the same work station number is achieved, the energy consumption is effectively reduced, and meanwhile, the investment cost is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a rotatable stave furnace comprising:
heating furnace;
the feeding robot is arranged at the feeding end of the heating furnace;
the gas collecting hood is arranged above the inlet of the heating furnace;
the circulating fan is arranged at the top of the heating furnace;
the heating system is arranged on the side surface of the heating furnace and extends into the heating furnace;
the discharging door is arranged at the discharging end of the heating furnace;
the electric appliance control system is arranged on the side surface of the heating furnace;
the number of the chain plate devices is a plurality, the chain plate devices are arranged in the heating furnace, two ends of each chain plate device extend out of the heating furnace, and the workpieces are placed on the chain plate devices, so that the workpieces can be conveniently taken and placed;
the chain plate tensioning device is arranged at the end part of the feeding end of the heating furnace;
the chain plate driving mechanism is arranged at the end part of the discharge end of the heating furnace;
the laser positioning detection mechanism is arranged behind the chain plate driving mechanism;
and the discharging robot is placed on the side surface of the chain plate driving mechanism.
Preferably, the heating furnace comprises a guide plate, a heat insulation material, a chain support column, a furnace shell and a fan volute;
the heating furnace shell is made of steel structures in a welded mode, heat insulation materials are filled in the heating furnace shell, the circulating fan is installed at the top of the furnace shell, the heating system is installed outside the side face of the furnace shell and located near an air inlet at the lower portion of the circulating fan, the fan volute is arranged at the upper portion in the furnace shell and wraps an impeller of the circulating fan, and arc-shaped corners are formed to form a circulating air duct capable of guiding flow downwards;
the chain plate device is positioned in the middle of the cross section of the furnace shell and is supported by the chain support columns at two sides, and the guide plate is arranged above the chain plate device.
Preferably, the laser positioning detection mechanism comprises a protective cover, a laser range finder, a connecting cable, a supporting upright post and a range finder bracket;
the utility model discloses a laser rangefinder, including chain joint device tip the support post, support post adopts expansion bolts to fix subaerial in chain joint device tip the place ahead, the laser rangefinder is installed on the distancer support, the distancer support passes through the bolt fastening at the support post upper end, the protection casing passes through the bolt fastening on the support post to cover the laser rangefinder, connecting cable's one end is connected with the laser rangefinder, and the other end links to each other with electrical control system.
Preferably, the chain tensioning device comprises a tensioning cylinder, a tensioning bracket, a driven chain wheel, a bearing, a tensioning shaft, a slider bearing, a synchronous rack, a synchronous gear, a slider track and a metal hose;
the synchronous gear is fixed at the end part of the tension support through a standard square key, and is meshed with the synchronous rack, one end of the metal hose is connected with the tension cylinder, and the other end of the metal hose is connected with a compressed air pipeline.
Preferably, the chain plate device comprises a chain, a chain plate and a track;
the track is fixed on the inner supporting upright post of the heating furnace, and the chain plate are connected and fixed through bolts.
Preferably, the link plate driving mechanism includes: the device comprises a driving mechanism support, a bearing, a driving chain wheel, a driving shaft, a heat dissipation disc, a hollow shaft speed reducer, an encoder mounting support, a rotary encoder, a cable, a coupling and a speed reducer mounting plate;
the driving mechanism bracket is a steel structure welding part and is fixedly connected with the heating furnace by bolts, the bearing is fixedly arranged on the mounting plates at the two ends of the driving mechanism bracket by bolts, the driving chain wheel is fixed on the driving shaft through a square key, the driving shaft is inserted and fixed in a central hole of the bearing, the heat dissipation disc is fixed on the driving shaft through a standard hoop, and is close to the outer side of the bearing, the speed reducer mounting plate is fixed on the driving mechanism bracket by welding, the hollow shaft speed reducer is fixed on the speed reducer mounting plate by bolts, the driving shaft penetrates through the hollow shaft speed reducer, the shaft end exceeds the hollow shaft speed reducer, the encoder mounting bracket is fixed on a flange plate on the end face of the hollow shaft speed reducer through bolts, the rotary encoder is fixed on the encoder mounting bracket through bolts, and a driving shaft is connected with the rotary encoder through a coupler.
The rotatable chain plate type heating furnace provided by the invention has the beneficial effects that: the invention can solve the problem that the prior furnaces cannot meet the requirements of mass and automatic production, simultaneously reduces the danger of manual work, saves the cost, improves the efficiency, can place a plurality of rows of chain plates in the heating furnace, can independently drive each row of chain plates, can simultaneously or sequentially rotate and convey a plurality of groups of workpieces, improves the production efficiency, adopts a robot to carry out loading and unloading, adopts laser ranging to automatically position a discharge port, can realize unmanned operation of feeding and discharging, can realize positive and negative rotation of the chain plates, can adjust the forward and backward step distances, can shorten the furnace length when the same number of stations is used, effectively reduces the energy consumption, and simultaneously reduces the investment cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a furnace according to the present invention;
FIG. 3 is a schematic structural view of a laser positioning detection mechanism according to the present invention;
FIG. 4 is a schematic structural view of the chain tensioner of the present invention;
fig. 5 is a schematic structural view of a chain plate device of the invention;
FIG. 6 is a schematic view of the chain structure of the present invention;
FIG. 7 is a schematic view of the structure of the link plate of the present invention;
fig. 8 is a schematic structural diagram of the chain plate driving mechanism of the invention.
In the figure: 1. a feeding robot; 2. a gas-collecting hood; 3. heating furnace; 4. a circulating fan; 5. a heating system; 6. a workpiece; 7. a discharge door; 8. a laser positioning detection mechanism; 9. a discharging robot; 10. a chain plate tensioning device; 11. a chain plate device; 12. an appliance control system; 13. a chain plate driving mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a rotatable stave furnace comprising: the automatic feeding device comprises a feeding robot 1, a gas collecting hood 2, a heating furnace 3, a circulating fan 4, a heating system 5, a workpiece 6, a discharge door 7, a laser positioning detection mechanism 8, a discharge robot 9, a chain plate tensioning device 10, a chain plate device 11, an electrical appliance control system 12 and a chain plate driving mechanism 13, wherein the feeding robot 1 is arranged at the feeding end of the heating furnace 3, the gas collecting hood 2 is arranged above the inlet of the heating furnace 3, the circulating fan 4 is arranged at the top of the heating furnace 3, the heating system 5 is arranged on the side surface of the heating furnace 3 and extends into the heating furnace 3, the discharge door 7 is arranged at the discharge end of the heating furnace 3, the electrical appliance control system 12 is arranged on the side surface of the heating furnace 3, the number of the chain plate devices 11 is multiple, the chain plate devices 11 are arranged in the heating furnace 3, the two ends of the chain plate devices 11 extend out of the heating furnace 3, the workpiece 6 is placed on the chain plate devices 11, the automatic feeding and discharging device is characterized in that a workpiece 6 is convenient to take and place, a chain plate tensioning device 10 is installed at the end part of the feeding end of the heating furnace 3, a chain plate driving mechanism 13 is installed at the end part of the discharging end of the heating furnace 3, a laser positioning detection mechanism 8 is arranged behind the chain plate driving mechanism 13, and a discharging robot 9 is placed on the side face of the chain plate driving mechanism 13;
the discharge port is automatically positioned by laser ranging, unmanned operation can be realized for feeding and discharging, forward and reverse rotation can be realized by the chain plate, the forward and backward step distances can be adjusted, the furnace length can be shortened when the station number is the same, the energy consumption is effectively reduced, and the investment cost is reduced.
More specifically, as shown in fig. 2, the heating furnace 3 comprises a guide plate 3-1, a heat insulation material 3-2, a chain support column 3-3, a furnace shell 3-4 and a fan volute 3-5;
the heating furnace shell 3-4 is made of steel structures in a welded mode, heat insulation materials 3-2 are filled in the heating furnace shell, the circulating fan 4 is installed at the top of the furnace shell 3-4, the heating system 5 is installed outside the side face of the furnace shell 3-4 and located near an air inlet at the lower portion of the circulating fan 4, two-side arrangement or one-side arrangement can be adopted according to actual needs, the fan volute 3-5 is arranged at the inner upper portion of the furnace shell 3-4 and wraps an impeller of the circulating fan 4, an arc shape is formed at the corner to form a circulating air duct capable of guiding the flow downwards, the chain plate device 11 is located in the middle of the cross section of the furnace shell 3-4 and is supported by the two chain support columns 3-3, and the flow guide plate 3-1 is installed above the chain plate device 11;
the circulating fans 4 are arranged at the top of the heating furnace 3 and can be divided into a plurality of groups according to the furnace length; the heating system 5 is arranged at the lower part of the circulating fan impeller, the heating system 5 can adopt various heating energy modes such as gas, fuel oil, electric energy and the like, a unique air channel mode is adopted in the heating furnace 3 to rapidly heat the workpiece, and the heating mode is direct heating, so that the energy is utilized to the maximum.
More specifically, as shown in fig. 3, the laser positioning detection mechanism 8 comprises a protective cover 8-1, a laser range finder 8-2, a connecting cable 8-3, a support upright 8-4 and a range finder support 8-5;
the support upright post 8-4 is fixed on the ground in front of the end part of the chain plate device 11 by adopting an expansion bolt, the laser range finder 8-2 is installed on a range finder support 8-5, the range finder support 8-5 is fixed on the upper end part of the support upright post 8-4 by a bolt, the protective cover 8-1 is fixed on the support upright post 8-4 by a bolt and covers the laser range finder 8-2, one end of the connecting cable 8-3 is connected with the laser range finder 8-2, and the other end is connected with the electric appliance control system 12.
More specifically, as shown in fig. 4, the chain tensioning device 10 includes a tensioning cylinder 10-1, a tensioning support 10-2, a driven sprocket 10-3, a bearing 10-4, a tensioning shaft 10-5, a slider bearing 10-6, a synchronous rack 10-7, a synchronous gear 10-8, a slider rail 10-9 and a metal hose 10-10;
the tensioning supports 10-2 are arranged in pairs and are respectively fixed on a steel structure frame body at the feeding end of the heating furnace 3, the slider rails 10-9 are positioned inside the tensioning supports 10-2 and are symmetrically arranged up and down, the sliding grooves of the slider bearings 10-6 are clamped between the two slider rails 10-9 and can slide back and forth, the tensioning cylinder 10-1 is arranged at the end part of the tensioning support 10-2, the piston rod of the tensioning cylinder 10-1 and the slider bearings 10-6 are fixedly connected through nuts, the left end and the right end of the tensioning shaft 10-5 are inserted into the holes of the slider bearings 10-6, the two ends of the tensioning shaft extend out, the synchronous racks 10-7 are respectively fixed on the slider rails 10-9 through bolts, the synchronous gear 10-8 is fixed at the end part of the tensioning shaft 10-5 through a standard square key, and the synchronous gear 10-8 is meshed with the synchronous racks 10-7, one end of the metal hose 10-10 is connected with the tensioning cylinder 10-1, and the other end is connected with the compressed air pipeline.
More specifically, as shown in fig. 5, the link plate device 11 includes a chain 11-1, a link plate 10-2, and a track 10-3;
the track 10-3 is fixed on an inner supporting upright post of the heating furnace 3, and the chain 11-1 and the chain plate 10-2 are connected and fixed through bolts;
the heating furnace 3 can be internally provided with a plurality of rows of chain plates 10-2, each row of chain plates 10-2 is independently driven and can rotate simultaneously or sequentially to achieve the capacity of conveying a plurality of groups of workpieces, because the chain belt has the function of positive and negative rotation, the discharging positioning during positive rotation depends on the laser positioner, and the positioning precision during negative rotation depends on the rotary encoder on the driving shaft, the positioning precision during each discharging of the workpieces can be controlled within +/-3 mm or less, the workpieces can be smoothly clamped by a robot during automatic discharging, the heating furnace 3 is fully automatic, the complicated manual operation is avoided, the manual consumption is reduced, and the heated workpieces are in a high-temperature state, so that the occurrence of dangerous events caused by manual operation is avoided;
the chain plate 10-2 adopts a special structure, large-scale conveying chains are adopted on two sides, a pore plate is adopted in the middle, and the lower part of the pore plate is reinforced.
More specifically, as shown in fig. 8, the link plate drive mechanism 13 includes: the device comprises a driving mechanism support 13-1, a bearing 13-2, a driving chain wheel 13-3, a driving shaft 13-4, a heat dissipation disc 13-5, a hollow shaft speed reducer 13-6, an encoder mounting support 13-7, a rotary encoder 13-8, a cable 13-9, a coupler 13-10 and a speed reducer mounting plate 13-11;
the driving mechanism support 13-1 is a steel structure welding part and is fixedly connected with the heating furnace 3 by bolts, the bearing 13-2 is fixedly installed on the installation plates at the two ends of the driving mechanism support 13-1 by bolts, the driving chain wheel 13-3 is fixed on the driving shaft 13-4 by a square key, the driving shaft 13-4 is fixedly inserted into the central hole of the bearing 13-2, the heat dissipation plate 13-5 is fixed on the driving shaft 13-4 by a standard hoop and is close to the outer side of the bearing 13-2, the speed reducer installation plate 13-11 is fixed on the driving mechanism support 13-1 by welding, the hollow shaft speed reducer 13-6 is fixed on the speed reducer installation plate 13-11 by bolts, the driving shaft 13-4 passes through the hollow shaft speed reducer 13-6, the shaft end exceeds the hollow shaft speed reducer 13-6, the encoder mounting bracket 13-7 is fixed on a flange plate at the end face of the hollow shaft speed reducer 13-6 through bolts, the rotary encoder 13-8 is fixed on the encoder mounting bracket 13-7 through bolts, and the driving shaft 13-4 is connected with the rotary encoder 13-8 through a coupler 13-10.
Example (b): firstly, setting parameters such as required heating temperature, production tempo, clamping waiting time, stepping stroke and retreating stroke on a control system 12, starting a circulating fan 4, then starting a heating system 5, clamping a workpiece 6 on an upper chain plate device, a middle chain plate device and a lower chain plate device 11 in sequence by a feeding robot 1 according to the tempo time when the temperature in a furnace reaches a set value, automatically opening a discharge door 7 when the production tempo time is up, moving the chain plate device 11 forwards to the stepping stroke according to the tempo set by the control system 12 under the driving of a chain plate driving mechanism 13, moving backwards to the retreating stroke after the clamping waiting time is up, and automatically closing the discharge door 7, so that all discharging actions are finished; when the workpiece 6 moves to the discharge port step by step, the discharge door 7 is opened, the chain plate device 11 moves forward under the driving of the chain plate driving mechanism 13, after the laser positioning detection 8 detects the workpiece, the driving is stopped, the discharging robot 9 quickly clamps the workpiece 6 and places the workpiece 6 to a forging machine or other specified positions, the beat is completed, and the three channels complete the actions according to the set beat time in a circulating mode in sequence, so that continuous production is realized.
In this embodiment, the principle of fast heating the workpiece and the circulating air in the furnace is further described with reference to fig. 2:
after various parameters are manually set on an electric appliance control system 12, a circulating fan 4 is started, after the circulating fan 4 works normally, a heating device 5 is started, the heating system 5 can be automatically selected according to heat and heat sources required in practice, and the circulating fan 4 can be directly purchased and installed in the market, a large amount of heat can be released by the heating system 5, is sucked in through an air suction port of the circulating fan 4, is blown out from two sides after being stirred at a high speed, and is blown into a hearth in a gradually downward turning manner in the guiding direction of a fan volute 3-5, a parallel space is formed by a guide plate 3-1 at the upper part and a chain plate device 11 in the middle of a furnace, and is used as a passing area of a workpiece 6 and a space for circulating air to circulate, and the circulating fan carrying heat quickly blows to the workpiece from two sides to quickly heat the workpiece; when the guide plate 3-1 is in the middle, a certain pressing radian is adopted, so that circulating air can enter the air suction opening of the circulating fan 4 on the upper part after passing through the middle channel, the workpiece 6 of the middle channel can be uniformly and quickly heated, and the circulating fan 4 can select different models according to the size of a hearth.
In this embodiment, the working mode of the laser positioning detection mechanism is further described with reference to fig. 3:
when the electric appliance control system 12 outputs a discharging signal, the chain plate driving mechanism 13 drives the chain plate device 11 to move forwards, when the workpiece 6 moves outwards from the furnace along with the chain plate device 11, the electric appliance control system 12 outputs a signal to the laser range finder 8-2, the laser range finder 8-2 emits a signal towards the workpiece, the signal can be returned to be received by the laser range finder 8-2 after contacting the workpiece 6, the laser range finder 8-2 internally processes the signal after receiving the signal, simultaneously the output data is transmitted to the electric appliance control system 12 through the cable 8-3 for processing, when the output data of the laser range finder 8-2 is consistent with the set value in the electric appliance control system 12, the electric appliance control system 12 outputs a stop signal to the chain plate driving mechanism 13, and the workpiece 6 is guaranteed to stop to a fixed position each time by adopting the mode, the repeated positioning precision of the workpiece can reach less than or equal to +/-3 mm, the robot can be ensured to smoothly take and place the workpiece, and the supporting upright columns 8-4 are fixed on the ground in front of the end part of the chain plate device 11 by adopting expansion bolts; the laser range finder may not be affected by vibrations that may be generated by the heating furnace.
In this embodiment, the working mode of the chain tensioning device is further described with reference to fig. 4:
when production is needed, a valve on a compressed air pipeline is opened, piston rods of the two tensioning cylinders 10-2 start to retract under the pressure of compressed air, a continuous and constant tensioning force is provided for the chain plate device 11, when the chain plate device 11 expands due to heating and is used for a long time, and the chains on two sides of the chain plate device 11 are tensioned synchronously under the restraint of the synchronous rack 10-7 and the synchronous gear 10-8, the chain plate device is kept in a tightened state all the time under the action of the chain tensioning device 10, the chain plate device 10 can run stably regardless of the positive rotation or the reverse rotation, and the silting condition cannot occur.
In this embodiment, the structure and the manufacturing method of the link plate device are further described with reference to fig. 5, 6, and 7:
the chain plate device mainly comprises a chain 11-1, a chain plate 10-2 and a track 10-3; the rail 11-3 is made of standard angle steel, the angle steel is made of manganese steel materials and ensures strength and wear resistance, the rail is fixed on a support frame in the furnace, the chain 11-1 is a large-pitch belt-attached plate conveying chain, and specifications and materials ensure that the rail has higher high-temperature resistance and tensile strength and does not deform under high temperature and high tensile force for a long time; the chain plate 11-2 is made of a common steel plate, small holes are uniformly and densely distributed on the surface, so that ventilation is facilitated, weight is reduced, thermal expansion deformation is prevented, the lower portion of the steel plate is reinforced by steel grating plates, sagging deformation of the steel plate is prevented, the chain plate 11-2 is connected with the chains 11-1 on the two sides through bolts, replacement is facilitated, the structure has good compatibility with the appearance of a workpiece, and production requirements of various special-shaped workpieces can be met.
In this embodiment, the working principle and process of the link plate driving mechanism are further described with reference to fig. 8:
when the step beat set in the electrical appliance control system 12 is up, the electrical appliance control system 12 switches on a power supply of the hollow shaft speed reducer 13-6, the hollow shaft speed reducer 13-6 automatically rotates and drives the driving shaft 13-4 to rotate, the driving shaft 13-4 drives the driving chain wheel 13-3 to rotate under the action of a square key when rotating, the driving chain wheel 13-3 drives the chain plate device 11 to rotate, so that the chain plate device moves, simultaneously, the driving shaft 13-4 rotates, the rotary encoder 13-8 is driven to rotate through the coupler 13-10, so that the measurement of the rotation angle is realized, the distance of the chain plate device 11 corresponding to each pulse of the rotary encoder 13-8 can be calculated through the combined calculation of parameters such as the pulse number when the rotary encoder 13-8 rotates and the outer diameter of the driving chain wheel, this allows the desired travel to be set directly on appliance control system 12.
Finally, the laser positioning detection device mainly controls the accurate position of the workpiece 6 in the advancing process of the chain plate device 11, the chain plate driving mechanism 13 mainly has the function of driving the chain plate device 11 to rotate forwards and backwards, and the stroke distance in the advancing and retreating processes of the chain plate device 11 can also be synchronously measured, and the two mechanisms are combined for use, so that the accumulated error when the stroke is controlled by the rotary encoder 13-8 alone can be effectively eliminated, and the purpose of accurately positioning the workpiece is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A rotatable chain plate type heating furnace is characterized by comprising:
a heating furnace (3);
the feeding robot (1) is arranged at the feeding end of the heating furnace (3);
the gas-collecting hood (2) is arranged above an inlet of the heating furnace (3);
the circulating fan (4) is arranged at the top of the heating furnace (3);
the heating system (5) is arranged on the side surface of the heating furnace (3) and extends into the heating furnace (3);
the discharge door (7) is arranged at the discharge end of the heating furnace (3);
an electric appliance control system (12) arranged on the side surface of the heating furnace (3);
the number of the chain plate devices (11) is a plurality, the chain plate devices (11) are arranged in the heating furnace (3), two ends of each chain plate device (11) extend out of the heating furnace (3), and the workpieces (6) are placed on the chain plate devices (11) to facilitate picking and placing of the workpieces (6);
the chain plate tensioning device (10) is arranged at the end part of the feeding end of the heating furnace (3);
the chain plate driving mechanism (13) is arranged at the end part of the discharge end of the heating furnace (3);
the laser positioning detection mechanism (8) is arranged behind the chain plate driving mechanism (13);
and the discharging robot (9) is placed on the side surface of the chain plate driving mechanism (13).
2. The rotatable slat type heating furnace according to claim 1, wherein: the heating furnace (3) comprises a guide plate (3-1), a heat insulation material (3-2), chain support columns (3-3), a furnace shell (3-4) and a fan volute (3-5);
the heating furnace shell (3-4) is made of steel structures in a welded mode, heat insulation materials (3-2) are filled inside the heating furnace shell, the circulating fan (4) is installed at the top of the furnace shell (3-4), the heating system (5) is installed on the outer portion of the side face of the furnace shell (3-4) and located near an air inlet in the lower portion of the circulating fan (4), the fan volute (3-5) is arranged on the inner upper portion of the furnace shell (3-4) and wraps an impeller of the circulating fan (4), and an arc-shaped corner is formed to form a circulating air duct capable of guiding flow downwards;
the chain plate device (11) is positioned in the middle of the cross section of the furnace shell (3-4) and is supported by the chain support columns (3-3) at two sides, and the guide plate (3-1) is arranged above the chain plate device (11).
3. The rotatable slat type heating furnace according to claim 1, wherein: the laser positioning detection mechanism (8) comprises a protective cover (8-1), a laser range finder (8-2), a connecting cable (8-3), a supporting upright post (8-4) and a range finder support (8-5);
support post (8-4) adopt expansion bolts to fix subaerial in link joint device (11) tip the place ahead, install on distancer support (8-5) laser range finder (8-2), distancer support (8-5) pass through the bolt fastening at support post (8-4) upper end, protection casing (8-1) pass through the bolt fastening on support post (8-4) to cover laser range finder (8-2), the one end and the laser range finder (8-2) of connecting cable (8-3) are connected, and the other end links to each other with electrical control system (12).
4. The rotatable slat type heating furnace according to claim 1, wherein: the chain tensioning device (10) comprises a tensioning cylinder (10-1), a tensioning support (10-2), a driven chain wheel (10-3), a bearing (10-4), a tensioning shaft (10-5), a slider bearing (10-6), a synchronous rack (10-7), a synchronous gear (10-8), a slider track (10-9) and a metal hose (10-10);
the tensioning supports (10-2) are arranged in pairs and are respectively fixed on a steel structure frame body at the feeding end of the heating furnace (3), the slider rails (10-9) are positioned inside the tensioning supports (10-2) and are symmetrically arranged up and down, the sliding chutes of the slider bearings (10-6) are clamped between the two slider rails (10-9) and can slide back and forth, the tensioning cylinder (10-1) is arranged at the end part of the tensioning supports (10-2), the piston rod of the tensioning cylinder (10-1) and the slider bearings (10-6) are fixedly connected by nuts, the left end and the right end of the tensioning shaft (10-5) are inserted into the holes of the slider bearings (10-6) and extend out, the synchronous racks (10-7) are respectively fixed on the slider rails (10-9) by bolts, the synchronous gear (10-8) is fixed at the end part of the tensioning shaft (10-5) through a standard square key, meanwhile, the synchronous gear (10-8) is meshed with the synchronous rack (10-7), one end of the metal hose (10-10) is connected with the tensioning cylinder (10-1), and the other end of the metal hose is connected with the compressed air pipeline.
5. The rotatable slat type heating furnace according to claim 1, wherein: the chain plate device (11) comprises a chain (11-1), a chain plate (10-2) and a track (10-3);
the track (10-3) is fixed on an inner supporting upright post of the heating furnace (3), and the chain (11-1) and the chain plate (10-2) are connected and fixed through bolts.
6. The rotatable slat type heating furnace according to claim 1, wherein: the link plate drive mechanism (13) includes: the device comprises a driving mechanism support (13-1), a bearing (13-2), a driving chain wheel (13-3), a driving shaft (13-4), a heat dissipation disc (13-5), a hollow shaft speed reducer (13-6), an encoder mounting support (13-7), a rotary encoder (13-8), a cable (13-9), a coupler (13-10) and a speed reducer mounting plate (13-11);
the driving mechanism support (13-1) is a steel structure welding part and is fixedly connected with the heating furnace (3) by bolts, the bearing (13-2) is fixedly installed on the installation plates at the two ends of the driving mechanism support (13-1) by bolts, the driving chain wheel (13-3) is fixedly arranged on the driving shaft (13-4) by a square key, the driving shaft (13-4) is fixedly inserted into a central hole of the bearing (13-2), the heat dissipation disc (13-5) is fixedly arranged on the driving shaft (13-4) by a standard hoop and is close to the outer side of the bearing (13-2), the speed reducer installation plate (13-11) is fixedly welded on the driving mechanism support (13-1), and the hollow shaft speed reducer (13-6) is fixedly arranged on the installation plate (13-11) by bolts, and the driving shaft (13-4) penetrates through the hollow shaft speed reducer (13-6), the shaft end exceeds the hollow shaft speed reducer (13-6), the encoder mounting bracket (13-7) is fixed on a flange plate on the end face of the hollow shaft speed reducer (13-6) through a bolt, the rotary encoder (13-8) is fixed on the encoder mounting bracket (13-7) through a bolt, and the driving shaft (13-4) is connected with the rotary encoder (13-8) through a coupler (13-10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110994808.6A CN113639551A (en) | 2021-08-27 | 2021-08-27 | Rotatable chain plate type heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110994808.6A CN113639551A (en) | 2021-08-27 | 2021-08-27 | Rotatable chain plate type heating furnace |
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| CN113639551A true CN113639551A (en) | 2021-11-12 |
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| CN108518980A (en) * | 2018-04-26 | 2018-09-11 | 许国华 | A kind of chain-plate type aluminum-bar heating furnace |
| CN108518979A (en) * | 2018-04-26 | 2018-09-11 | 许国华 | A kind of push-down aluminum-bar heating furnace |
| CN208458495U (en) * | 2018-06-21 | 2019-02-01 | 紫江炉业南京有限公司 | Multi-layer rotary heating furnace |
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| CN101118113A (en) * | 2007-09-07 | 2008-02-06 | 上海中加电炉有限公司 | Heated air circulation bake oven |
| CN102221292A (en) * | 2011-04-29 | 2011-10-19 | 上海宝钢工业检测公司 | Dynamically regulating device of walking-type heating furnace plate blank discharging stop bit and using method thereof |
| CN202717813U (en) * | 2012-08-14 | 2013-02-06 | 重庆长江工业炉制造有限公司 | Strong convective transporting chain type heat treatment production line |
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