CN215757071U - Continuous type sintering equipment of banding material - Google Patents

Abstract

The utility model relates to a banding material continuous type sintering equipment relates to the field of vacuum glass processing technique, including workstation and stoving case, the stoving case cover is established on the workstation, and the equal local conveyer in workstation both ends rotates on the workstation and is connected with a plurality of driving rollers that are parallel to each other, and equal coaxial fixedly connected with a plurality of drive wheels on each driving roller are provided with on the mounting bracket and are used for driving each driving roller pivoted drive arrangement, and this application has the effect that improves glass banding material sintering efficiency.

Description

Continuous type sintering equipment of banding material

Technical Field

The application relates to the field of vacuum glass processing technology, in particular to edge sealing material continuous sintering equipment.

Background

The vacuum glass is a novel glass deep processing product, wherein the periphery of two pieces of flat glass is sealed, the gap between the two pieces of flat glass is vacuumized, and the exhaust hole is sealed, and the gap between the two pieces of glass is 0.3 mm. In the production process of the vacuum glass, a side edge sealing material is coated on the periphery of one side of a glass plate, and then the edge sealing material is dried and sintered, so that the edge sealing material is fixed.

The inventor thinks that the glass plate is generally loaded and unloaded by adopting a manual carrying mode in the related art, but the temperature of the glass plate is still very high after the glass plate is dried, which brings inconvenience to the manual carrying and reduces the loading and unloading efficiency, thereby affecting the sintering efficiency of the device for the glass edge sealing material.

SUMMERY OF THE UTILITY MODEL

In order to realize the purpose of improving the sintering efficiency of the glass edge sealing material, the application provides edge sealing material continuous sintering equipment.

The application provides a banding material continuous type sintering equipment adopts following technical scheme:

the utility model provides a banding material continuous type sintering equipment, includes workstation and stoving case, the stoving case cover is established on the workstation, the equal conveyer in workstation both ends, it is connected with a plurality of driving rollers that are parallel to each other to rotate on the workstation, each equal coaxial fixedly connected with a plurality of drive wheels on the driving roller, be provided with on the mounting bracket and be used for driving each driving roller pivoted drive arrangement.

By adopting the technical scheme, when the device dries the edge sealing materials on the glass plate, the glass plate to be dried is moved to the appointed position on the workbench through the conveyor, so that the drying box is covered on the glass plate, at the moment, the heating lamp tubes are opened to irradiate the glass plate, the edge sealing materials are dried in a high-temperature state, then an operator conveys the dried glass plate out of the workbench through the conveying device, and simultaneously conveys the next group of glass plates to be dried to the appointed position on the workbench; the automatic drying of glass banding material is realized to this process, reduces the artifical unloading required time of going up to improve the sintering efficiency of this equipment to the glass board.

Optionally, the workstation includes mounting bracket and grid plate, grid plate fixed connection on the mounting bracket, the stoving case is located the top of grid plate and covers and establish on the grid plate, each the driving roller all rotates to be connected on the mounting bracket, each the driving roller all is located the below of grid plate, and each equal part of drive wheel upwards wears out the grid plate.

Through adopting above-mentioned technical scheme, the grid board can reduce the condition that the small size glass board appears dropping in the transfer process, plays safety protection's effect.

Optionally, drive arrangement includes the action wheel, from driving wheel and drive shaft, each the mounting bracket is worn out to the equal one end of driving roller, from driving wheel and action wheel one-to-one, each from the equal coaxial fixed connection of driving wheel in the one end that the mounting bracket was worn out to the corresponding driving roller, each all lie in same one side of mounting bracket from the driving wheel, the drive shaft rotates to be connected and is being close to from driving wheel one side at the mounting bracket, the action wheel is in the drive shaft coaxial fixedly connected with a plurality of, and action wheel and follow driving wheel one-to-one, each the action wheel is provided with between the follow driving wheel with corresponding and is used for driven belt, be provided with on the mounting bracket and be used for controlling drive shaft pivoted drive assembly.

Through adopting above-mentioned technical scheme, the operator drives the drive shaft through drive assembly and rotates, because the action wheel with correspond from the driving wheel between through belt transmission, so the drive shaft rotates then drives each and follows the driving wheel and rotate to make each driving roller drive the drive wheel and rotate, realize the conveying to glass.

Optionally, drive assembly includes first motor, drive sprocket and driven sprocket, first motor fixed connection is on the mounting bracket, the coaxial fixed connection of drive sprocket is on the output shaft of first motor, the coaxial fixed connection of driven sprocket is in the drive shaft, around being equipped with driven chain on drive sprocket and the driven sprocket.

Through adopting above-mentioned technical scheme, the operator controls first motor and rotates and drive the drive sprocket and rotate, because drive sprocket passes through chain drive with driven sprocket to drive the drive shaft and rotate.

Optionally, be provided with the elevating gear who is used for controlling stoving case lift on the mounting bracket, elevating gear includes guide post and guide sleeve, the guide post is vertical on the stoving case to be provided with four, and four guide post symmetries set up stoving case both sides, guide sleeve and guide post one-to-one, and each guide post all slides and wears to establish in the guide sleeve that corresponds, each the equal fixed connection of guide sleeve is on the mounting bracket, be provided with the lifting unit who is used for controlling homonymy guide post lift on the mounting bracket.

Through adopting above-mentioned technical scheme, the operator drives the guide post through lifting unit and removes along guide sleeve axis direction to drive the stoving case and go up and down, make things convenient for the operator to raise the stoving case, detect and maintain its inside, and conveniently change the heating fluorescent tube.

Optionally, lifting unit includes leading wheel, stay cord and wind-up roll, two the equal fixedly connected with connecting plate of leading column lower extreme, leading wheel and leading column one-to-one, and the leading wheel rotates and connects on the mounting bracket, the wind-up roll rotates and connects on the mounting bracket, fixedly connected with is used for driving wind-up roll pivoted second motor on the mounting bracket, stay cord and connecting plate one-to-one, and two stay cords are all around establishing on the leading wheel that corresponds, two stay cord homogeneous end fixed connection is on the connecting plate, two the stay cord other end is all around establishing at same wind-up roll, and drives two stay cords rolling or unreel simultaneously when the wind-up roll rotates.

Through adopting above-mentioned technical scheme, the operator drives the wind-up roll through the second motor and rotates to control wind-up roll rolling or winding stay cord, drive the guide post and slide in the uide bushing, realize the lift control to the guide post.

Optionally, the winding rollers on the two sides of the drying box are coaxially and fixedly connected with rotating shafts, the first motor is a double-shaft motor, one of the rotating shafts is coaxially and fixedly connected with one output shaft of the double-shaft motor, and the other rotating shaft is coaxially and fixedly connected with the other output shaft of the double-shaft motor.

Through adopting above-mentioned technical scheme, two output shafts of double-shaft motor syntropy rotate and drive two wind-up rolls and rotate to control the used stay cord that corresponds on the same stoving case and roll simultaneously or unreel simultaneously, realize four guide bars and go up and down simultaneously, be favorable to improving the stationarity that the stoving case goes up and down.

Optionally, a hot air circulation assembly is arranged on the drying box and comprises an air blower, a mounting hole is formed in the drying box, the air blower is fixedly connected in the mounting hole, and an air inlet and an air outlet of the air blower are both located in the drying box.

Through adopting above-mentioned technical scheme, the operator drives the air-blower and drives the heated air circulation of stoving incasement for the stoving incasement temperature is even, is favorable to improving this equipment to glass's stoving effect.

Optionally, the drying box is provided with a waste discharge port and a moisture discharge port, the waste discharge port is fixedly connected with an exhaust hood, the exhaust hood is provided with an air cylinder regulating valve, one side of the exhaust hood is provided with a waste discharge fan, the waste discharge fan is communicated with the exhaust hood, and the moisture discharge fan is fixedly connected with the moisture discharge fan in the moisture discharge port.

Through adopting above-mentioned technical scheme, when drying to the glass board, can be with the volatile waste gas discharge stoving case of the moisture of stoving incasement and banding material, the cylinder governing valve is used for controlling the volume of wasting discharge.

Optionally, the casing of the drying box is a heat insulation plate.

Through adopting above-mentioned technical scheme, reduce the heat energy on the one hand and pass, improve the heat utilization rate of stoving case, on the other hand reduces the condition that heat energy gives off and leads to the workshop overheated in the workshop, is favorable to improving operational environment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving shaft is driven to rotate by the first motor, and each driving roller is driven to rotate under the driving action of the belt, so that the glass plate moves on the workbench, the time required by manual feeding and discharging is reduced, and the sintering efficiency of the equipment on the glass plate is improved;

2. drive two wind-up rolls that correspond through the second motor and rotate to the rolling is tensile, makes tensile drive connecting plate rebound, thereby drives each guide post and upwards removes together with the stoving case, makes things convenient for the operator to detect and maintain stoving incasement portion to and conveniently change the heating fluorescent tube.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying the mounting bracket and the grid plate according to the embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram for embodying the lifting assembly in the embodiment of the present application.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Fig. 6 is an exploded view of an embodiment of the present application for embodying a hot air circulation assembly.

Fig. 7 is a schematic structural diagram for embodying a blower according to an embodiment of the present application.

Description of reference numerals: 1. a work table; 11. a mounting frame; 12. a grid plate; 13. a conveyor; 14. a housing; 2. a drying box; 21. heating the lamp tube; 22. a driving roller; 23. a driving wheel; 3. a driving wheel; 31. a driven wheel; 32. a drive shaft; 33. a belt; 34. a drive assembly; 341. a first motor; 342. a drive sprocket; 343. a driven sprocket; 344. a chain 4 and a guide post; 41. a mounting seat; 42. a guide sleeve; 43. a fixing plate; 44. a lifting assembly; 441. a guide wheel; 442. pulling a rope; 443. a wind-up roll; 444. a connecting plate; 445. a second motor; 446. a rotating shaft; 5. a hot air circulation assembly; 51. a blower; 52. mounting holes; 53. a waste discharge port; 54. an exhaust hood; 55. a waste discharge fan; 56. a cylinder regulating valve; 57. a moisture removal port; 58. a moisture exhaust fan.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses continuous type sintering equipment for edge sealing materials. As shown in fig. 1, the edge sealing material continuous sintering equipment comprises a workbench 1, wherein the workbench 1 comprises a rectangular mounting frame 11 horizontally placed on the ground, two sides of the mounting frame 11 are fixedly connected with housings 14, a grating plate 12 is horizontally and fixedly connected to the mounting frame 11, a plurality of mutually parallel driving rollers 22 are rotatably connected to the mounting frame 11, and a plurality of driving wheels 23 are coaxially and fixedly connected to each driving roller 22; the mounting frame 11 is provided with a driving device for driving each driving roller 22 to rotate. Two drying boxes 2 are arranged above the mounting rack 11, and the two drying boxes 2 are both horizontally arranged and distributed along the length direction of the mounting rack 11; the two drying boxes 2 are provided with hot air circulation assemblies 5, the mounting rack 11 is provided with a lifting device used for controlling the drying boxes 2 to lift, and the mounting rack 11 is provided with conveyors 13 used for conveying glass plates along the two sides of the length direction of the mounting rack 11.

As shown in fig. 1 and 2, the axial direction of each driving roller 22 is parallel to the width direction of the mounting frame 11, and the driving rollers 22 are uniformly arranged along the length direction of the mounting frame 11 and located below the grating plate 12, the driving wheels 23 on each driving roller 22 are uniformly distributed along the axial direction of the corresponding driving roller 22, each driving wheel 23 is located in the gap of the grating plate 12, the highest point of each driving wheel 23 is higher than the upper surface of the grating plate 12, and the glass plates are lapped on the driving wheels 23 at the corresponding positions.

As shown in fig. 2 and fig. 3, the driving device includes driven wheels 31 coaxially and fixedly connected to the driving rollers 22, one side of each driving roller 22 penetrates through the mounting frame 11, each driven wheel 31 is located at one side of the corresponding driving roller 22 penetrating through the mounting frame 11, and each driven wheel 31 is located at the same side of the mounting frame 11; the mounting frame 11 is rotatably connected with a driving shaft 32 at one side close to the driven wheel 31, the axial direction of the driving shaft 32 is parallel to the length direction of the mounting frame 11, the driving shaft 32 is coaxially and fixedly connected with a plurality of driving wheels 3, and the driving wheels 3 correspond to the transmission rollers 22 one by one; the driven wheels 31 and the corresponding driving wheels 3 are wound together with a belt 33, and transmission is realized through the belt 33. Be provided with on the mounting bracket 11 and be used for controlling drive shaft 32 pivoted drive assembly 34, drive assembly 34 includes first motor 341 of fixed connection on mounting bracket 11, and coaxial fixedly connected with drive sprocket 342 on the output shaft of first motor 341, coaxial fixedly connected with driven sprocket 343 on the drive shaft 32, and the diameter of driven sprocket 343 is greater than drive sprocket 342, realizes the transmission through chain 344 between driven sprocket 343 and the drive sprocket 342.

The operator drives first motor 341 and drives drive sprocket 342 and rotate, drive driven sprocket 343 and rotate under the drive action of chain 344, thereby the rotation of control drive axle 32, each rotates from driving wheel 31 under the drive action of belt 33, thereby it even rotates to drive each driving roller 22, glass sheet place on workstation 1 when with drive wheel 23 butt, driving roller 22 rotates and drives each drive wheel 23, thereby realize the function of glass sheet conveying on workstation 1.

As shown in fig. 4 and 5, the lifting device includes a mounting seat 41 fixedly connected to the drying box 2, the mounting seat 41 is L-shaped, and a triangular reinforcing rib is fixedly connected to the inside of the mounting seat 41; the four mounting seats 41 are arranged and distributed on two sides of the drying box 2 along the width direction of the mounting rack 11. The equal vertical fixedly connected with guide post 4 of each mount pad 41 lower surface, fixedly connected with and the fixed plate 43 that guide post 4 corresponds on the mounting bracket 11, and equal vertical fixedly connected with guide sleeve 42 on each fixed plate 43, each guide post 4 all slides along vertical direction and wears to establish in the guide sleeve 42 that corresponds.

Four guide posts 4 are arranged on the same drying box 2, and the four guide posts 4 are symmetrically arranged on two sides of the drying box 2 along the width direction of the mounting rack 11. The mounting base 41 is provided with a lifting assembly 44 for driving each guide post 4 on the same drying box 2 to lift, the lifting assembly 44 comprises four guide wheels 441 rotatably connected to the mounting frame 11, and the guide wheels 441 correspond to the guide posts 4 one by one; equal fixedly connected with connecting plate 444 on the terminal surface under each guide post 4, equal fixedly connected with stay cord 442 on each connecting plate 444, and stay cord 442 one end fixed connection is on the connecting plate 444 that corresponds, and the other end is around establishing on corresponding leading wheel 441. The mounting bracket 11 is located and all rotates between two guide posts 4 with one side and connects wind-up roll 443, and wind-up roll 443 sets up on mounting bracket 11, and two wind-up rolls 443 are located the below of drive shaft 32, and the one end that is located two stay cords 442 of mounting bracket 11 with one side and deviates from corresponding connecting plate 444 is all around establishing on the wind-up roll 443 of this side, and drives two stay cords 442 when wind-up roll 443 rotates and roll up simultaneously or unreel simultaneously. The two winding rollers 443 are coaxially arranged, and the two winding rollers 443 are coaxially and fixedly connected with a rotating shaft 446 at the ends close to each other; the second motor 445 is fixedly connected to the mounting frame 11, the second motor 445 is a dual-shaft motor, one output shaft of the second motor 445 is coaxially and fixedly connected with one rotating shaft 446, and the other output shaft of the second motor 445 is coaxially and fixedly connected with the other rotating shaft 446.

An operator starts the second motor 445 to drive the two corresponding winding rollers 443 to wind the pull ropes 442, so that the four connecting plates 444 are pulled to move upwards along the pair, the guide posts 4 corresponding to the four connecting plates 444 simultaneously move upwards, the drying box 2 is driven to ascend, the operator can conveniently detect and maintain the inside of the drying box 2, and the heating lamp tube 21 can be conveniently replaced; an operator controls the second motor 445 to rotate reversely, so that the winding roller 443 unwinds the pull rope 442, thereby controlling the four guide posts 4 to move downwards at the same time and driving the drying box 2 to descend; this process provides four guide posts 4 of a biaxial motor simultaneous control, can improve the synchronism that 4 removal of each guide post to improve the stationarity that stoving case 2 goes up and down.

As shown in fig. 6 and 7, the shells of the two drying boxes 2 are thermal insulation plates, and the thermal insulation plates are high-grade alumina silicate fiber thermal insulation plates, so that the heat loss is reduced, and the processing environment is improved. The openings of the two drying boxes 2 are downward, and three drying areas are arranged in each drying box 2; two stoving casees 2 equal fixedly connected with 9 mutual parallel heating fluorescent tubes 21 in each stoving district, and the equal axial direction of each heating fluorescent tube 21 all is parallel with the length direction of mounting bracket 11. Two mounting holes 52 have been seted up to stoving case 2 upper surface, and two mounting holes 52 all are located stoving case 2 and keep away from one side of drive shaft 32, and heated air circulation subassembly 5 includes air-blower 51 of fixed connection in two mounting holes 52, and air-blower 51's air intake and air outlet all are located stoving case 2, and air-blower 51's driving motor is located outside stoving case 2 to reduce the too high condition that leads to air-blower 51's driving motor to appear damaging in the stoving case 2.

Waste discharge port 53 has been seted up to stoving case 2 upper surface, and waste discharge port 53 is located stoving case 2 central point and puts, stoving case 2 is at the outer fixedly connected with exhaust hood 54 of waste discharge port 53, and exhaust hood 54 and stoving case 2 intercommunication, install the cylinder governing valve 56 that is used for controlling the volume of wasting discharge on the exhaust hood 54, exhaust hood 54 one side fixedly connected with exhaust fan 55, and exhaust fan 55's air intake and exhaust hood 54 intercommunication, the waste gas that is used for being heated the banding material in the stoving case 2 and volatilizees discharges. The upper surface of the drying box 2 is provided with two moisture exhaust ports 57, the two moisture exhaust ports 57 are positioned at two sides of the waste discharge port 53 along the length direction of the mounting rack 11, and the drying box 2 is fixedly connected with moisture exhaust fans 58 in the two moisture exhaust ports 57 and used for exhausting gas volatilized by the edge sealing material out of the drying box 2; the driving motors of the two dehumidifying fans 58 are positioned outside the drying box 2 so as to reduce the influence of overhigh temperature in the drying box 2 on the driving motors of the dehumidifying fans 58.

When heating fluorescent tube 21 heats the glass board, the operator opens air-blower 51 and drives stoving case 2 hot air flow, and form the circulation, make stoving case 2 interior temperature everywhere even on the one hand, be favorable to improving the stoving effect to the glass board, on the other hand reduces the discharge of hot-air, the heat energy that make full use of produced reduces energy consumption, through exhaust fan 55 and the exhaust wet fan 58 exhaust waste gas and the moisture in the stoving case 2 respectively.

The implementation principle of the embodiment of the application is as follows: when an operator starts the sintering equipment to sinter the edge sealing materials on the glass plate, each heating lamp tube 21 in the drying box 2 is firstly opened to increase the temperature in the drying box 2, and meanwhile, the air blower 51 is opened to enable hot air in the drying box 2 to circularly flow; then the operator places the glass sheet that scribbles the banding material on conveyer 13, carry the glass sheet through conveyer 13 to with the drive wheel 23 contact on the mounting bracket 11, restart first motor 341 and drive each drive wheel 23 and rotate, first motor 341 stall behind the appointed position on grid plate 12 is moved to the glass sheet seat, make the banding material on the glass sheet heat the sintering in stoving case 2, after accomplishing the sintering to the banding material, the operator restarts first motor 341 again and transmits the glass sheet after drying to another conveyer 13, repeat above-mentioned process and realize the automated control to the sintering of glass sheet banding material, be favorable to improving glass banding material sintering efficiency.

When needs maintain stoving case 2, the operator starts the second motor 445 that this stoving case 2 corresponds and drives the wind-up roll 443 rolling stay cord 442 of both sides to lift this stoving case 2 lifting, in order to make things convenient for the operator to the inside detection and the maintenance of stoving case 2, the operator control biax motor reversal after the maintenance is accomplished, thereby drive stoving case 2 and reset.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides an edge sealing material continuous type sintering equipment which characterized in that: including workstation (1) and stoving case (2), stoving case (2) cover is established on workstation (1), equal place conveyer (13) in workstation (1) both ends, it is connected with a plurality of driving roller (22) that are parallel to each other to rotate on workstation (1), each equal coaxial fixedly connected with a plurality of drive wheels (23) on driving roller (22), be provided with on workstation (1) and be used for driving each driving roller (22) pivoted drive arrangement.

2. The apparatus of claim 1, wherein: workstation (1) includes mounting bracket (11) and grid plate (12), grid plate (12) fixed connection on mounting bracket (11), stoving case (2) are located the top of grid plate (12) and cover and establish on grid plate (12), each driving roller (22) all rotate to be connected on mounting bracket (11), each driving roller (22) all are located the below of grid plate (12), and each equal part of drive wheel (23) upwards wears out grid plate (12).

3. The apparatus of claim 2, wherein: the driving device comprises a driving wheel (3), a driven wheel (31) and a driving shaft (32), one end of each driving roller (22) penetrates out of the mounting rack (11), the driven wheels (31) correspond to the driving wheels (3) one by one, each driven wheel (31) is coaxially and fixedly connected with one end of the corresponding transmission roller (22) penetrating out of the mounting rack (11), each driven wheel (31) is positioned on the same side of the mounting rack (11), the driving shaft (32) is rotatably connected to the mounting frame (11) at one side close to the driven wheel (31), a plurality of driving wheels (3) are coaxially and fixedly connected on a driving shaft (32), the driving wheels (3) are in one-to-one correspondence with the driven wheels (31), a belt (33) for transmission is arranged between each driving wheel (3) and the corresponding driven wheel (31), and a driving assembly (34) for controlling the driving shaft (32) to rotate is arranged on the mounting rack (11).

4. The apparatus of claim 3, wherein: the driving assembly (34) comprises a first motor (341), a driving chain wheel (342) and a driven chain wheel (343), the first motor (341) is fixedly connected to the mounting frame (11), the driving chain wheel (342) is coaxially and fixedly connected to an output shaft of the first motor (341), the driven chain wheel (343) is coaxially and fixedly connected to the driving shaft (32), and a transmission chain (344) is wound on the driving chain wheel (342) and the driven chain wheel (343).

5. The apparatus of claim 4, wherein: be provided with the elevating gear who is used for controlling stoving case (2) to go up and down on mounting bracket (11), elevating gear includes guide post (4) and guide sleeve (42), guide post (4) are vertical on stoving case (2) to be provided with four, and four guide post (4) symmetries set up stoving case (2) both sides, guide sleeve (42) and guide post (4) one-to-one, and each guide post (4) all slide and wear to establish in guide sleeve (42) that correspond, each the equal fixed connection of guide sleeve (42) is on mounting bracket (11), be provided with lifting unit (44) that are used for controlling homonymy guide post (4) to go up and down on mounting bracket (11).

6. The apparatus of claim 5, wherein: the lifting assembly (44) comprises guide wheels (441), a pull rope (442) and a winding roller (443), the lower ends of the two guide columns (4) are fixedly connected with connecting plates (444), the guide wheels (441) correspond to the guide columns (4) one by one, the guide wheel (441) is rotationally connected to the mounting rack (11), the winding roller (443) is rotationally connected to the mounting rack (11), the mounting rack (11) is fixedly connected with a second motor (445) for driving the winding roller (443) to rotate, the pull ropes (442) correspond to the connecting plates (444) one by one, and the two pull ropes (442) are wound on the corresponding guide wheels (441), one ends of the two pull ropes (442) are fixedly connected on the connecting plate (444), the other ends of the two pull ropes (442) are wound on the same winding roller (443), and the winding roller (443) drives the two pull ropes (442) to wind or unwind simultaneously when rotating.

7. The apparatus of claim 6, wherein: the winding rollers (443) on two sides of the drying box (2) are coaxially and fixedly connected with rotating shafts (446), the first motor (341) is a double-shaft motor, one of the rotating shafts (446) is coaxially and fixedly connected with one output shaft of the double-shaft motor, and the other rotating shaft (446) is coaxially and fixedly connected with the other output shaft of the double-shaft motor.

8. The apparatus of claim 1, wherein: the hot air circulation drying device is characterized in that a hot air circulation assembly (5) is arranged on the drying box (2), the hot air circulation assembly (5) comprises an air blower (51), a mounting hole (52) is formed in the drying box (2), the air blower (51) is fixedly connected into the mounting hole (52), and an air inlet and an air outlet of the air blower (51) are both located in the drying box (2).

9. The apparatus of claim 1, wherein: the drying box is characterized in that a waste discharge port (53) and a moisture discharge port (57) are formed in the drying box (2), an exhaust hood (54) is fixedly connected to the waste discharge port (53), an air cylinder adjusting valve (56) is arranged on the exhaust hood (54), a waste discharge fan (55) is arranged on one side of the exhaust hood (54), the waste discharge fan (55) is communicated with the exhaust hood (54), and a moisture discharge fan (58) is fixedly connected to the interior of the moisture discharge port (57).

10. The apparatus of claim 1, wherein: the shell of the drying box (2) is a heat insulation plate.

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