CN219735951U - Counterweight tensioning transportation type hot air tunnel furnace - Google Patents

Counterweight tensioning transportation type hot air tunnel furnace Download PDF

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Publication number
CN219735951U
CN219735951U CN202321337983.9U CN202321337983U CN219735951U CN 219735951 U CN219735951 U CN 219735951U CN 202321337983 U CN202321337983 U CN 202321337983U CN 219735951 U CN219735951 U CN 219735951U
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tensioning
plate
mounting plate
fixedly connected
heat insulation
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CN202321337983.9U
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凌剑
詹焕栩
杨俊煌
严有塘
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Hefei Intelligent Technology Fujian Co ltd
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Hefei Intelligent Technology Fujian Co ltd
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Abstract

The utility model relates to the technical field of material heating furnace equipment, and provides a counterweight tensioning transportation type hot air tunnel furnace, which comprises: the tunnel furnace comprises a furnace body, a heating assembly and a wind wheel assembly; the heating component comprises a supporting frame and an electric heating rod; the wind wheel assembly comprises a driving motor and a wind wheel; the net belt conveyor comprises a conveying assembly and a tensioning assembly; the conveying assembly comprises a frame, a driving sprocket, a driving shaft, a driving mounting plate, a driven sprocket, a driven shaft, a driven mounting plate, an adjusting support, a chain and a telescopic device; the tensioning assembly comprises a tensioning mounting plate, a tensioning chain wheel, a tensioning shaft, a tensioning supporting plate and a counterweight frame. The utility model has the advantages that: the wind wheel assembly enables flowing wind to be generated in the tunnel furnace, and the wind blows between the electric heating rods of the heating assembly to form hot wind; the weight of the counterweight frame is changed, the tensioning degree of the chain is conveniently adjusted, the chain has proper tensioning force in the transmission process, the mesh belt conveyor stably conveys the workpiece to the tunnel furnace, and the heating efficiency of the workpiece is improved.

Description

Counterweight tensioning transportation type hot air tunnel furnace
Technical Field
The utility model relates to the technical field of material heating furnace equipment, in particular to a counterweight tensioning transportation type hot air tunnel furnace.
Background
The mesh belt conveyor is a material handling machine for continuously conveying materials on a certain line, and is a conveyor which utilizes chain traction and is provided with a carrier such as a metal mesh belt and the like. The mesh belt conveyor can carry out horizontal, inclined and vertical conveying and also can form a space conveying line, and the conveying line is generally fixed; the conveyor has large conveying capacity and long conveying distance, and can complete a plurality of process operations in the conveying process, so that the application is very wide.
The tunnel furnace is tunnel type mechanical equipment for heating and baking the workpiece in the modes of heat conduction, convection, radiation and the like; the workpiece enters the tunnel furnace through the mesh belt conveyor. The utility model patent document "a mesh belt type tunnel furnace" such as bulletin number CN 213335400U; the utility model patent document of publication No. CN208269641U, namely, a hot air circulating tunnel furnace. The chain of the mesh belt conveyor is easy to loose and fall off, and the chain is in poor engagement with the chain wheel, so that the chain wheel and the chain are worn. The belt conveyor needs to be provided with a tensioning device for the chain. In order to improve the heating efficiency of the workpiece, the tunnel furnace requires a flow of hot air.
Therefore, how to conveniently adjust the tensioning degree of the chain of the mesh belt conveyor, so that the mesh belt conveyor can stably convey the workpiece to the tunnel furnace, and the heating efficiency of the workpiece is improved, which is a technical problem to be solved in the field.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a counterweight tensioning transportation type hot air tunnel furnace, which is used for conveniently adjusting the tensioning degree of a chain of a mesh belt conveyor, so that the mesh belt conveyor can stably convey a workpiece to the tunnel furnace, and the heating efficiency of the workpiece is improved.
The utility model is realized in the following way: a counterweight tension transport hot air tunnel furnace comprising:
the tunnel furnace comprises a furnace body, a heating assembly and a wind wheel assembly;
the heating assembly comprises a supporting frame and electric heating rods, the electric heating rods are fixedly connected with the supporting frame, a plurality of electric heating rods are arranged at intervals along the length direction of the supporting frame, and the supporting frame is fixedly connected with the inside of the furnace body;
the wind wheel assembly comprises a driving motor and a wind wheel, the furnace body is provided with a pneumatic rotating hole, the driving motor is fixedly connected with the outside of the furnace body, the wind wheel is positioned in the furnace body, and an output shaft of the driving motor penetrates through the pneumatic rotating hole and is fixedly connected with the center of the wind wheel;
the net belt conveyor comprises a conveying assembly and a tensioning assembly;
the conveying assembly comprises a frame, a driving sprocket, a driving shaft, a driving mounting plate, a driven sprocket, a driven shaft, a driven mounting plate, an adjusting support, a chain and a telescopic device, wherein the driving mounting plate is fixedly connected with the head end of the frame, the driving mounting plate is provided with a driving rotating hole, the center of the driving shaft and the center of the driving sprocket are fixedly connected with each other and further penetrate through the driving rotating hole, the driven mounting plate is fixedly connected with the tail end of the frame, the driven mounting plate is provided with a horizontal guide hole, the adjusting support is horizontally and slidably connected with the driven mounting plate, the adjusting support is provided with a driven rotating hole, the center of the driven shaft and the driven sprocket are fixedly connected with each other and further penetrate through the horizontal guide hole and the driven rotating hole, the driving sprocket and the driven sprocket are connected through the chain, the adjusting support and the driven mounting plate are further connected through the telescopic device, and the frame penetrates through the furnace body and is fixedly connected with each other;
the tensioning assembly comprises a tensioning mounting plate, a tensioning chain wheel, a tensioning shaft, a tensioning support plate and a counterweight frame, wherein the tensioning mounting plate is fixedly connected with the frame, the driving mounting plate is connected with the driven mounting plate, a vertical guide hole is formed in the tensioning mounting plate, the tensioning support plate is connected with the tensioning mounting plate in a vertical sliding mode, a tensioning rotating hole is formed in the tensioning support plate, the tensioning shaft is fixedly connected with the center of the tensioning chain wheel and further penetrates through the vertical guide hole and the tensioning rotating hole, the tensioning chain wheel abuts against the chain, and the counterweight frame is fixedly connected with the tensioning support plate.
Further, the furnace body comprises a heat-insulating top plate, a heat-insulating bottom plate, a heat-insulating middle plate, a heat-insulating front side plate, a heat-insulating rear side plate, a heat-insulating left end plate and a heat-insulating right end plate which are fixedly connected;
the tunnel furnace comprises a heat insulation left end plate, a heat insulation bottom plate, a heat insulation right end plate, a heat insulation top plate, a driving motor and a heat insulation top plate, wherein a tunnel furnace inlet is formed between the heat insulation left end plate and the heat insulation bottom plate, a tunnel outlet is formed between the heat insulation right end plate and the heat insulation bottom plate, the heat insulation top plate is provided with a pneumatic rotating hole, and the driving motor is fixedly connected with the heat insulation top plate.
Further, the heating assembly is divided into a first heating assembly and a second heating assembly, the first heating assembly is located above the chain, the second heating assembly and the heat insulation intermediate plate are located in the surrounding space of the chain, and the heat insulation intermediate plate is located below the second heating assembly.
Further, the tensioning assembly also includes a weight placed on the weight frame.
Further, the expansion piece comprises an adjusting block and an adjusting bolt, the adjusting block is fixedly connected with the driven mounting plate, a screw hole is formed in the adjusting block, the adjusting bolt is screwed with the screw hole to be connected, and one end of the adjusting bolt is embedded into the adjusting support and is connected in a rotating mode.
Further, the transportation assembly further comprises a supporting rod and a metal mesh belt, wherein the driving chain wheel, the driven chain wheel and the chains are distributed in front and back, the two chains are connected through the supporting rod, the supporting rods are uniformly arranged at intervals along the length direction of the chains, and the metal mesh belt is installed on the supporting rod.
Further, the tensioning mounting plate, the tensioning chain wheel and the tensioning support plates are all two and distributed in the front-back direction, and the two tensioning support plates are fixedly connected with the front end and the rear end of one counterweight frame respectively.
Further, the transportation assembly further comprises guide strips, the guide strips are fixedly connected with the driven mounting plate, the adjusting support is provided with grooves, the guide strips are in sliding connection with the grooves, and the two guide strips and the grooves are respectively located on the upper side and the lower side of the horizontal guide hole.
Further, the tensioning assembly further comprises a limiting nail, the tensioning support plate is provided with a vertical strip-shaped hole, the limiting nail is fixedly connected with the tensioning installation plate, the limiting nail penetrates through the vertical strip-shaped hole, and the two limiting nails and the vertical strip-shaped hole are respectively located on the left side and the right side of the vertical guide hole.
The utility model has the advantages that: the wind wheel assembly enables flowing wind to be generated in the tunnel furnace, the wind blows between the electric heating rods of the heating assembly to form hot air, and the hot air flows to heat workpieces of the mesh belt conveyor; the adjustment support changes driven sprocket's horizontal position, makes things convenient for the installation dismantlement of chain, makes tensioning sprocket exert the effort of vertical direction in the chain through the counter weight frame behind the installation chain, only need place the article of different weights in the counter weight frame, changes the weight of counter weight frame, conveniently adjusts the tensioning degree of chain, makes the chain have appropriate tensioning force in the transmission process, makes the guipure conveyer carry the work piece to the tunnel furnace steadily, improves work piece heating efficiency.
Drawings
The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a counterweight tensioning transport type hot air tunnel furnace of the utility model.
Fig. 2 is a schematic front view of the heating assembly and wind wheel assembly of the present utility model.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a schematic diagram of connection between a support frame and an electric heating rod in the utility model.
Fig. 5 is a schematic view of the structure of the belt conveyor of the present utility model.
Fig. 6 is a schematic view of the transport assembly of the present utility model at the head end of the rack.
Fig. 7 is a schematic view of the structure of the transport assembly and the tensioning assembly at the trailing end of the frame in the present utility model.
Fig. 8 is a schematic view of the structure of the driven sprocket, driven shaft, driven mounting plate, adjustment support and telescopic device in the present utility model.
Fig. 9 is a schematic view of the structure of the tensioning mounting plate, tensioning sprocket, tensioning shaft, tensioning support plate and counterweight frame in the present utility model.
Reference numerals: a furnace body 11; a furnace section 110; a heat insulating top plate 111; a thermally insulating base 112; an insulating middle plate 113; an insulated left end plate 114; an insulated right end plate 115; a support frame 12; an electric heating rod 13; a drive motor 14; a wind wheel 15; a frame 21; a drive sprocket 22; a drive shaft 23; an active mounting plate 24; a driven sprocket 25; a driven shaft 26; a driven mounting plate 27; a horizontal guide hole 271; adjusting the support 28; a chain 29; an adjustment block 210; an adjusting bolt 211; a strut 212; a drive bearing 213; a driven bearing 214; a guide bar 215; a tension mounting plate 31; a vertical guide hole 311; a tension sprocket 32; a tensioning shaft 33; a tension support plate 34; a vertical bar-shaped hole 341; a weight frame 35.
Detailed Description
The embodiment of the utility model provides a counterweight tensioning transportation type hot air tunnel furnace, which overcomes the defects that the tunnel furnace has low heating efficiency and a chain of a mesh belt conveyor is easy to loose and fall off in the background art, and realizes the technical effects of conveniently adjusting the tensioning degree of the chain of the mesh belt conveyor, enabling the mesh belt conveyor to stably convey workpieces to the tunnel furnace and improving the heating efficiency of the workpieces.
The general idea of the technical scheme of the embodiment of the utility model is as follows:
the wind wheel assembly enables flowing wind to be generated in the tunnel furnace, the wind rises from the center of the wind wheel and then falls from the periphery of the wind wheel, circulating flowing wind is formed, the wind blows between the electric heating rods of the heating assembly to form hot air, and the hot air flows to heat workpieces of the mesh belt conveyor.
The horizontal position of the driven sprocket is changed by the adjusting support, the adjusting support is moved rightward by the telescopic device, and when the driven sprocket and the driven shaft are positioned at the right end of the horizontal guide hole, a worker can rapidly wind the chain on the driving sprocket and the driven sprocket; then the telescopic device enables the adjusting support to move leftwards, and when the driven chain wheel and the driven shaft are at the left end of the horizontal guide hole, the chain is primarily tensioned; weights such as weights are placed on the counter weight frame, so that the tensioning chain wheel applies acting force in the vertical direction to the chain, the weights are convenient for workers to calculate weight change of the counter weight frame, and the tensioning degree of the chain can be conveniently adjusted only by changing the weight of the counter weight frame.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 9, a preferred embodiment of the present utility model.
A counterweight tension transport hot air tunnel furnace comprising:
the tunnel furnace comprises a furnace body 11, a heating component and a wind wheel component;
the heating assembly comprises a supporting frame 12 and electric heating rods 13, the electric heating rods 13 are fixedly connected with the supporting frame 12, a plurality of electric heating rods 13 are arranged at intervals along the length direction of the supporting frame 12, and the supporting frame 12 is fixedly connected with the inside of the furnace body 11;
the wind wheel assembly comprises a driving motor 14 and a wind wheel 15, the furnace body 11 is provided with a pneumatic rotating hole, the driving motor 14 is fixedly connected with the outside of the furnace body 11, the wind wheel 15 is positioned in the furnace body 11, and an output shaft of the driving motor 14 passes through the pneumatic rotating hole and is fixedly connected with the center of the wind wheel 15; the wind wheel assembly enables flowing wind to be generated in the tunnel furnace, the wind blows hot air between the electric heating rods 13 of the heating assembly, and the hot air flows to heat workpieces of the mesh belt conveyor.
The net belt conveyor comprises a conveying assembly and a tensioning assembly;
the transportation assembly comprises a frame 21, a driving sprocket 22, a driving shaft 23, a driving mounting plate 24, a driven sprocket 25, a driven shaft 26, a driven mounting plate 27, an adjustment support 28, a chain 29 and a telescopic device, wherein the driving mounting plate 24 is fixedly connected with the head end of the frame 21, the driving mounting plate 24 is provided with a driving rotation hole, the center of the driving shaft 23 and the center of the driving sprocket 22 are fixedly connected and further penetrate through the driving rotation hole, the driven mounting plate 27 and the tail end of the frame 21 are fixedly connected, the driven mounting plate 27 is provided with a horizontal guide hole 271, the adjustment support 28 and the driven mounting plate 27 are horizontally and slidably connected, the driven shaft 26 and the center of the driven sprocket 25 are fixedly connected and further penetrate through the horizontal guide hole 271 and the driven rotation hole, the driving sprocket 22 and the driven sprocket 25 are connected through the chain 29, the adjustment support 28 and the driven mounting plate 27 are further connected through the telescopic device, and the frame 21 penetrates through the furnace body 11 and is fixedly connected; in this embodiment, the telescopic device moves the adjustment support 28 left and right, the adjustment support 28 changes the horizontal position of the driven sprocket 25, when the driven sprocket 25 and the driven shaft 26 are at the right end of the horizontal guide hole 271, the worker can rapidly wind the chain 29 around the driving sprocket 22 and the driven sprocket 25, then the adjustment support 28 moves the driven sprocket 25 and the driven shaft 26 to the left end of the horizontal guide hole 271, the chain 29 is primarily tensioned, and the installation of the chain 29 is completed.
The tensioning assembly comprises a tensioning mounting plate 31, a tensioning chain wheel 32, a tensioning shaft 33, a tensioning supporting plate 34 and a counterweight frame 35, wherein the tensioning mounting plate 31 is fixedly connected with the frame 21, a vertical guide hole 311 is formed in the tensioning mounting plate 31 between the driving mounting plate 24 and the driven mounting plate 27, the tensioning supporting plate 34 is vertically and slidably connected with the tensioning mounting plate 31, a tensioning rotating hole is formed in the tensioning supporting plate 34, the tensioning shaft 33 is fixedly connected with the center of the tensioning chain wheel 32, the tensioning rotating hole 311 and the tensioning rotating hole are fixedly connected with the tensioning chain wheel 32, the tensioning chain wheel 32 abuts against the chain 29, and the counterweight frame 35 is fixedly connected with the tensioning supporting plate 34. The tensioning chain wheel 32 applies a vertical acting force to the chain 29 through the counterweight frame 35, the tensioning chain wheel 32 and the tensioning shaft 33 can move up and down in the vertical guide hole 311, articles with different weights are placed in the counterweight frame 35, and the weight of the counterweight frame 35 is changed, so that the acting force applied to the chain 29 by the tensioning chain wheel 32 is changed, the tensioning degree of the chain 29 is conveniently adjusted, and the chain 29 has proper tensioning force in the transmission process.
The furnace body 11 comprises a heat-insulating top plate 111, a heat-insulating bottom plate 112, a heat-insulating middle plate 113, a heat-insulating front side plate, a heat-insulating rear side plate, a heat-insulating left end plate 114 and a heat-insulating right end plate 115 which are fixedly connected; the heat insulation plate has the beneficial effects that the heat loss in the tunnel furnace is effectively reduced by adopting the heat insulation plate.
A tunnel furnace inlet is formed between the heat-insulating left end plate 114 and the heat-insulating bottom plate 112, a tunnel outlet is formed between the heat-insulating right end plate 115 and the heat-insulating bottom plate 112, the heat-insulating top plate 111 is provided with the pneumatic rotating holes, and the driving motor 14 is fixedly connected with the heat-insulating top plate 111. The beneficial effects of the device are that wind rises from the center of the wind wheel 15 and then spreads out from the periphery of the wind wheel 15 to fall, so that circularly flowing wind is formed, and the temperature in the tunnel furnace is quickly increased to the designated temperature through the heating component.
The heating components are divided into a first heating component and a second heating component, the first heating component is located above the chain 29, the second heating component and the heat insulation middle plate 113 are located in the surrounding space of the chain 29, and the heat insulation middle plate 113 is located below the second heating component. The workpiece of the mesh belt conveyor moves between the first heating component and the second heating component, and the upper surface and the lower surface of the workpiece are heated.
The furnace body 11 is divided into five furnace sections 110, two adjacent furnace sections 110 are connected end to end, each furnace section 110 is provided with the heating component and the wind wheel component, the five furnace sections 110 are sequentially a first furnace section, a second furnace section, a third furnace section, a fourth furnace section and a fifth furnace section from left to right, the temperature of an electric heating rod in the first furnace section is lower than that of the electric heating rod in the second furnace section, the temperature of the electric heating rod in the second furnace section is lower than that of the electric heating rod in the third furnace section, the temperature of the electric heating rod in the third furnace section is higher than that of the electric heating rod in the fourth furnace section, and the temperature of the electric heating rod in the fourth furnace section is higher than that of the electric heating rod in the fifth furnace section. The beneficial effect of here is, the work piece gets into the tunnel furnace and carries out the in-process that removes, and the temperature that the work piece met increases section by section earlier, and the temperature that meets is highest in the intermediate position of furnace body, the position of third stove section, and the work piece continues to remove, and the temperature that meets reduces section by section, and finally the work piece leaves the tunnel furnace, avoids the work piece to meet the temperature of abrupt temperature and abrupt temperature that falls like this.
The tensioning assembly also includes a weight (not shown) that is placed on the weight frame 35. The beneficial effect here is that the weight is convenient for the staff to calculate the weight variation of the weight frame 35. Because the mesh belt conveyor enters the tunnel furnace, the temperature of the tunnel furnace is different, and the expansion and contraction of the chain 29 of the mesh belt conveyor are affected, so that the chain 29 is loosened to different degrees. The worker sets the weight of the weight frame 35 according to the actual production situation.
The telescopic device comprises an adjusting block 210 and an adjusting bolt 211, the adjusting block 210 is fixedly connected with the driven mounting plate 27, a screw hole is formed in the adjusting block 210, the adjusting bolt 211 is screwed with the screw hole, and one end of the adjusting bolt 211 is embedded into the adjusting support 28 and is connected in a rotating mode. The advantage here is that the operator operates the adjusting bolt 211 to move the adjusting bracket 28 left and right.
The transport assembly further comprises a support rod 212 and a metal mesh belt (not shown), wherein the drive sprocket 22, the driven sprocket 25 and the chains 29 are all two and distributed back and forth, the two chains 29 are connected through the support rod 212, a plurality of support rods 212 are uniformly arranged at intervals along the length direction of the chains 29, and the metal mesh belt is installed on the support rod 212. The beneficial effects of this are that the struts 212 improve the flatness of the metal mesh belt, helping to place the workpiece stably on the metal mesh belt.
The tensioning mounting plate 31, the tensioning chain wheel 32 and the tensioning support plates 34 are all two and are distributed in the front-back direction, and the two tensioning support plates 34 are fixedly connected with the front end and the rear end of one counterweight frame 35 respectively. The beneficial effect here is, a counter weight frame 35 changes the take-up pulley on both sides simultaneously and applys effort in chain 29, and the operation is more convenient.
The transport assembly further comprises a driving bearing 213 and a driven bearing 214, wherein the driving bearing 213 is installed in the driving rotary hole, and the driven bearing 214 is installed in the driven rotary hole. The bearing has the beneficial effects that the bearing plays a supporting role, and the friction force of the shaft in the rotating process is reduced.
The transportation assembly further comprises a guide bar 215, the guide bar 215 is fixedly connected with the driven mounting plate 27, the adjusting support 28 is provided with a groove, the guide bar 215 is slidably connected with the groove, and the two guide bars 215 and the groove are respectively located on the upper side and the lower side of the horizontal guide hole 271. The advantage here is that the horizontal movement direction of the adjustment support 28 is prevented from deviating.
The tensioning assembly further comprises limit nails (not shown), the tensioning support plate 34 is provided with vertical strip-shaped holes 341, the limit nails are fixedly connected with the tensioning installation plate 31, the limit nails penetrate through the vertical strip-shaped holes 341, and the two limit nails and the vertical strip-shaped holes 341 are respectively located on the left side and the right side of the vertical guide holes 311. The advantage here is that the tensioning support plate 34 is prevented from deviating in the vertical movement direction.
The working mode of the counterweight tensioning transportation type hot air tunnel furnace is as follows:
(1) The telescopic device is operated to enable the adjusting support 28 to move rightwards, the adjusting support 28 drives the driven shaft 26 and the driven sprocket 25, when the driven sprocket 25 and the driven shaft 26 are arranged at the right end of the horizontal guide hole 271, a worker winds the chain 29 on the driving sprocket 22 and the driven sprocket 25, then the telescopic device is operated to enable the adjusting support 28 to move leftwards, and when the driven sprocket 25 and the driven shaft 26 are arranged at the left end of the horizontal guide hole 271, the chain 29 is primarily tensioned, and the chain 29 is installed.
(2) Weights such as weights are placed on the weight frame 35, so that the tensioning sprocket 32 applies a force in the vertical direction to the chain 29; in the working process that the mesh belt conveyor enters the tunnel furnace, a worker observes the loosening condition of the chain 29, adds or reduces weights to the counterweight frame 35, changes the weight of the counterweight frame 35 in real time, and can conveniently adjust the tensioning degree of the chain 29, so that the chain 29 has proper tensioning force in the transmission process.
(3) The heating assembly and the wind wheel assembly are started, the wind wheel 15 generates circularly flowing wind, and the circularly flowing wind passes through the electric heating rod 13 of the heating assembly to form hot air flow so as to quickly raise the temperature in the tunnel furnace to the designated temperature.
(4) The workpiece is placed on a metal mesh belt of a mesh belt conveyor, in the process that the workpiece enters the tunnel furnace, the workpiece firstly encounters the temperature rising section by section from the room temperature, when the workpiece reaches the middle position of the tunnel furnace, the workpiece is subjected to the highest temperature, the workpiece continues to move and encounters the temperature falling section by section, after the workpiece is heated, the workpiece leaves the tunnel furnace, and the workpiece is in the room temperature environment.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.

Claims (9)

1. A counterweight tensioning transport hot air tunnel furnace comprising:
the tunnel furnace comprises a furnace body, a heating assembly and a wind wheel assembly;
the heating assembly comprises a supporting frame and electric heating rods, the electric heating rods are fixedly connected with the supporting frame, a plurality of electric heating rods are arranged at intervals along the length direction of the supporting frame, and the supporting frame is fixedly connected with the inside of the furnace body;
the wind wheel assembly comprises a driving motor and a wind wheel, the furnace body is provided with a pneumatic rotating hole, the driving motor is fixedly connected with the outside of the furnace body, the wind wheel is positioned in the furnace body, and an output shaft of the driving motor penetrates through the pneumatic rotating hole and is fixedly connected with the center of the wind wheel;
the net belt conveyor comprises a conveying assembly and a tensioning assembly;
the conveying assembly comprises a frame, a driving sprocket, a driving shaft, a driving mounting plate, a driven sprocket, a driven shaft, a driven mounting plate, an adjusting support, a chain and a telescopic device, wherein the driving mounting plate is fixedly connected with the head end of the frame, the driving mounting plate is provided with a driving rotating hole, the center of the driving shaft and the center of the driving sprocket are fixedly connected with each other and further penetrate through the driving rotating hole, the driven mounting plate is fixedly connected with the tail end of the frame, the driven mounting plate is provided with a horizontal guide hole, the adjusting support is horizontally and slidably connected with the driven mounting plate, the adjusting support is provided with a driven rotating hole, the center of the driven shaft and the driven sprocket are fixedly connected with each other and further penetrate through the horizontal guide hole and the driven rotating hole, the driving sprocket and the driven sprocket are connected through the chain, the adjusting support and the driven mounting plate are further connected through the telescopic device, and the frame penetrates through the furnace body and is fixedly connected with each other;
the tensioning assembly comprises a tensioning mounting plate, a tensioning chain wheel, a tensioning shaft, a tensioning support plate and a counterweight frame, wherein the tensioning mounting plate is fixedly connected with the frame, the driving mounting plate is connected with the driven mounting plate, a vertical guide hole is formed in the tensioning mounting plate, the tensioning support plate is connected with the tensioning mounting plate in a vertical sliding mode, a tensioning rotating hole is formed in the tensioning support plate, the tensioning shaft is fixedly connected with the center of the tensioning chain wheel and further penetrates through the vertical guide hole and the tensioning rotating hole, the tensioning chain wheel abuts against the chain, and the counterweight frame is fixedly connected with the tensioning support plate.
2. The counterweight tensioning transportation type hot air tunnel furnace as recited in claim 1 wherein the furnace body comprises a heat insulation top plate, a heat insulation bottom plate, a heat insulation middle plate, a heat insulation front side plate, a heat insulation rear side plate, a heat insulation left end plate and a heat insulation right end plate which are fixedly connected;
the tunnel furnace comprises a heat insulation left end plate, a heat insulation bottom plate, a heat insulation right end plate, a heat insulation top plate, a driving motor and a heat insulation top plate, wherein a tunnel furnace inlet is formed between the heat insulation left end plate and the heat insulation bottom plate, a tunnel outlet is formed between the heat insulation right end plate and the heat insulation bottom plate, the heat insulation top plate is provided with a pneumatic rotating hole, and the driving motor is fixedly connected with the heat insulation top plate.
3. The weight tensioning transport type hot air tunnel furnace according to claim 2, wherein the heating components are divided into a first heating component and a second heating component, the first heating component is located above the chain, the second heating component and the heat insulation intermediate plate are located in the surrounding space of the chain, and the heat insulation intermediate plate is located below the second heating component.
4. The weight tensioned transportation type hot air tunnel furnace recited in claim 1 wherein the tensioning assembly further comprises weights disposed on the weight frame.
5. The counterweight tensioning transportation type hot air tunnel furnace as claimed in claim 1, wherein the telescopic device comprises an adjusting block and an adjusting bolt, the adjusting block is fixedly connected with the driven mounting plate, a screw hole is formed in the adjusting block, the adjusting bolt is screwed with the screw hole, and one end of the adjusting bolt is embedded into the adjusting support and is connected in a rotating mode.
6. The counterweight tensioning transportation type hot air tunnel furnace as claimed in claim 1, wherein the transportation assembly further comprises a plurality of struts and a metal mesh belt, the driving sprocket, the driven sprocket and the chains are all two and are distributed back and forth, the two chains are connected through the struts, the plurality of struts are uniformly arranged at intervals along the length direction of the chains, and the metal mesh belt is installed on the struts.
7. The counterweight tensioning transportation type hot air tunnel furnace as claimed in claim 1, wherein the tensioning mounting plate, the tensioning chain wheel and the tensioning support plates are all two and are distributed in front and back, and the two tensioning support plates are fixedly connected with the front end and the back end of one counterweight frame respectively.
8. The counterweight tensioning transportation type hot air tunnel furnace as claimed in claim 1, wherein the transportation assembly further comprises a guide bar fixedly connected with the driven mounting plate, the adjusting support is provided with a groove, the guide bar is slidably connected with the groove, and the two guide bars and the groove are respectively located on the upper side and the lower side of the horizontal guide hole.
9. The counterweight tensioning transportation type hot air tunnel furnace as recited in claim 1, wherein the tensioning assembly further comprises a limiting nail, the tensioning support plate is provided with a vertical strip-shaped hole, the limiting nail is fixedly connected with the tensioning installation plate, the limiting nail penetrates through the vertical strip-shaped hole, and the two limiting nails and the vertical strip-shaped hole are respectively located on the left side and the right side of the vertical guide hole.
CN202321337983.9U 2023-05-30 2023-05-30 Counterweight tensioning transportation type hot air tunnel furnace Active CN219735951U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321337983.9U CN219735951U (en) 2023-05-30 2023-05-30 Counterweight tensioning transportation type hot air tunnel furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321337983.9U CN219735951U (en) 2023-05-30 2023-05-30 Counterweight tensioning transportation type hot air tunnel furnace

Publications (1)

Publication Number Publication Date
CN219735951U true CN219735951U (en) 2023-09-22

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Application Number Title Priority Date Filing Date
CN202321337983.9U Active CN219735951U (en) 2023-05-30 2023-05-30 Counterweight tensioning transportation type hot air tunnel furnace

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