CN111805816B

CN111805816B - Drum type vulcanizing machine

Info

Publication number: CN111805816B
Application number: CN202010559667.0A
Authority: CN
Inventors: 宋延良; 刘天威
Original assignee: Shenyang Liangjie Hydraulic Machinery Co Ltd
Current assignee: Shenyang Liangjie Hydraulic Machinery Co Ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2022-01-11
Anticipated expiration: 2040-06-18
Also published as: CN111805816A

Abstract

The invention relates to the technical field of mechanical equipment, in particular to a high-efficiency full-automatic large drum vulcanizing machine, which can conveniently lead the material to be stressed uniformly, facilitate the material to be shaped, improve the vulcanizing effect and improve the practicability and reliability by carrying out the step-by-step pressure vulcanizing treatment on the material; including two sets of mounts, two sets of first pivots, two sets of tensioning rollers, two sets of first mounting panels, second pivot and warming mill, two sets of first pivots are vertical rotatable the upper left side and the upper right side of installing between two sets of mounts respectively, and two sets of tensioning rollers are installed respectively in two sets of first pivots, and the downside at two sets of mounts is installed respectively to two sets of first mounting panels, and the front side and the rear side of second pivot are rotatable the installation respectively on two sets of first mounting panels.

Description

Drum type vulcanizing machine

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a drum type vulcanizing machine.

Background

As is known, the drum vulcanizer is mainly an auxiliary device for continuously vulcanizing coated cloth materials, and when the existing drum vulcanizer heats and vulcanizes materials on the drum vulcanizer, a steel belt on the vulcanizer cannot uniformly press the materials due to transmission, so that the material is poor in stress uniformity and poor in vulcanization effect.

Disclosure of Invention

In order to solve the technical problems, the invention provides a drum vulcanizer which can be used for conveniently and uniformly stressing a material, conveniently shaping the material, improving the vulcanizing effect and improving the practicability and reliability by gradually pressurizing and vulcanizing the material.

The invention relates to a drum vulcanizer, which comprises two groups of fixed frames, two groups of first rotating shafts, two groups of tensioning rollers, two groups of first mounting plates, a second rotating shaft and heating rollers, wherein the two groups of first rotating shafts are longitudinally and rotatably arranged on the left upper side and the right upper side between the two groups of fixed frames respectively, the two groups of tensioning rollers are arranged on the two groups of first rotating shafts respectively, the two groups of first mounting plates are arranged on the lower sides of the two groups of fixed frames respectively, the front side and the rear side of the second rotating shaft are rotatably arranged on the two groups of first mounting plates respectively, the front end of the second rotating shaft penetrates through the front side first mounting plate and extends out to the front side of the front side first mounting plate, a power device is arranged on the front side first mounting plate, the power device can be in transmission connection with the front end of the second rotating shaft, the heating rollers are arranged on the second rotating shaft, a first heating device is arranged inside the heating rollers, steel belts are laid on the outer sides of the two groups of tensioning rollers and the heating rollers and can synchronously rotate through the steel belts, a pressing plate is obliquely arranged above the steel belt, the left side of the pressing plate is higher than the right side of the pressing plate, a fixed groove is arranged at the bottom of the pressing plate, a plurality of groups of third rotating shafts are uniformly arranged on the inner wall of the fixed groove, pressing wheels can be rotatably arranged on the plurality of groups of third rotating shafts, four groups of elastic devices are uniformly arranged on the outer side of the top of the pressing plate, a moving plate is arranged above the pressing plate, the tops of the four groups of elastic devices are mounted on the moving plate, side plates are arranged at the tops of two groups of fixing frames, top plates are arranged at the tops of the side plates at two ends, second mounting plates are arranged at the right side and the left side of the bottom of the top plate, lead screws are arranged between the two groups of second mounting plates, the left ends and the right ends of the lead screws are respectively rotatably mounted on the two groups of second mounting plates at the left side, a first motor is arranged at the left end of the second mounting plate at the left side, and the output end of the first motor penetrates through the second mounting plate at the left side and is in transmission connection with the left end of the lead screw, a guide rail is arranged above the lead screw, the top of the guide rail is arranged on a top plate, sliding blocks are arranged on the left side and the middle of the lead screw, the lead screw penetrates through the sliding blocks, the lead screw is connected with the sliding blocks in a threaded manner, the tops of two groups of sliding blocks are slidably connected with the bottom of the guide rail, adjusting rods are rotatably arranged at the bottoms of the two groups of sliding blocks, the bottoms of the two groups of adjusting rods are respectively rotatably arranged on the left side and the right side of the top of the movable plate, four groups of guiding devices are uniformly arranged on the outer side of the top of the movable plate, the upper sides of the four groups of guiding devices are arranged on the top plate, a central control box is arranged in the middle position of the bottom of the movable plate and is electrically connected with the four groups of elastic devices, each elastic device comprises a supporting barrel, a movable block, a supporting rod, a spring and a laser range finder, the supporting block is positioned in the supporting barrel, the top of the supporting rod is arranged on the movable block, the bottom of the supporting rod is rotatably arranged on the pressing plate, the springs are sleeved on the outer sides of the supporting barrel and the supporting rod, the top and the bottom of each spring are respectively arranged on the movable plate and the pressing plate, the laser range finders are arranged on the top of the inner wall of the supporting barrel, the positions of the laser range finders correspond to the positions of the movable blocks, the laser range finders are in signal connection with the central control box, the elastic coefficients of the two groups of springs on the two groups of elastic devices on the left side are smaller than those of the two groups of springs on the two groups of elastic devices on the right side, the lifting devices are arranged on the upper sides between the two groups of fixing frames, the top positions of the lifting devices correspond to the top positions of the two groups of tensioning rollers, and the central control box is in signal connection with the first motor; sleeving a material coated with an adhesive layer outside on two groups of tensioning rollers and heating rollers, pressing a steel belt on the material, opening a power device, driving a second rotating shaft and the heating rollers to rotate clockwise by the power device, driving the two groups of tensioning rollers to rotate clockwise by the heating rollers through the steel belt and the material, so that the material rotates clockwise, opening a first heating device, heating the heating rollers by the first heating device, increasing the temperature of the heating rollers and heating the material, softening the adhesive layer on the material, so as to vulcanize the material, simultaneously opening a first motor, driving a lead screw to rotate by the first motor, connecting the lead screw with two groups of sliding blocks in a screw way, driving the two groups of sliding blocks to move rightwards synchronously by the lead screw, driving four groups of sliding block guiding devices to move on a top plate respectively through two groups of adjusting rods, and supporting and guiding the moving plate by the four groups of guiding devices, conveniently keeping the moving plate horizontally moving, driving the pressing plate to move downwards by four groups of elastic devices, driving a plurality of groups of third rotating shafts and a plurality of groups of pressing wheels to move downwards by the pressing plate, contacting the bottoms of the groups of pressing wheels with the outer wall of the upper side of the steel band and extruding the steel band, so that the upper side of the steel band extrudes the upper side of a material, the material can slide on the lifting device, driving the groups of pressing wheels to roll on the groups of third rotating shafts respectively at the same time, when the groups of pressing wheels are kept horizontal and are all contacted and extruded with the outer wall of the upper side of the steel band, the pressing plate moves to a horizontal state, the working mode of the elastic devices is that when the pressing plate stops moving, the moving plate continues to move downwards, the moving plate pushes the spring to generate elastic deformation, the spring elastically extrudes the pressing plate, and simultaneously pushes the moving plate supporting barrel to move downwards, the moving block and the supporting rod are in a standing state, and the moving block moves upwards in the supporting barrel, the supporting barrel, the moving block and the supporting rod can support and guide the springs and the moving plate, as the elastic coefficients of the two groups of springs on the left side are smaller than those of the two groups of springs on the right side, and the downward extrusion force of the two groups of springs on the right side to the pressing plate is larger than that of the two groups of springs on the left side to the pressing plate, so that the extrusion force of the multiple groups of pressing wheels to the upper side of the steel strip is gradually increased from left to right, the material on the upper side is conveniently and gradually pressurized, the material is conveniently and uniformly stressed, the four groups of laser range finders on the four groups of elastic devices can respectively measure the positions of the springs on the four groups of elastic devices and transmit the measured values to the central control box, when the four groups of laser range finders detect that the height positions of the four groups of springs are consistent and meet the specified requirements, the central control box controls the first motor to stop rotating, the extrusion force of the multiple groups of pressing wheels to the outer wall on the upper side of the steel strip is kept fixed, so that the material is continuously and is gradually pressurized and vulcanized, after the material vulcanization is completed, the first motor is reversely controlled by the central control box to operate, the multiple groups of pinch rollers move upwards and recover to the initial position, the power device is closed, the steel belt and the material stop rotating, the steel belt and the vulcanized material are taken down, and the material is gradually pressurized and vulcanized, so that the stress of the material can be uniformly applied, the material is conveniently shaped, the vulcanization effect is improved, and the practicability and the reliability are improved.

The invention relates to a drum vulcanizer, which comprises a power device, a first motor, a speed reducer, a fourth rotating shaft, a first bevel gear and a second bevel gear, wherein the second motor and the speed reducer are both arranged on a first mounting plate at the front side; and opening the second motor, driving the first bevel gear to rotate by the second motor through the speed reducer and the fourth rotating shaft, meshing the first bevel gear with the second bevel gear, and driving the second rotating shaft to rotate by the first bevel gear through the second bevel gear so as to drive the heating roller to rotate.

The invention relates to a drum vulcanizer.A guide device comprises a guide sleeve and a guide rod, wherein the bottom of the guide sleeve penetrates through a top plate and extends to the lower part of the top plate; when the movable plate moves, the movable plate drives the guide rod to slide on the guide sleeve, and the guide device is arranged, so that the movable plate can be conveniently supported and guided, the movable plate can conveniently keep vertical movement, and the practicability and the reliability are improved.

The drum vulcanizer further comprises a contact switch, wherein the contact switch is arranged on the second mounting plate on the left side, the position of the contact switch corresponds to the position of the slide block on the left side, and the contact switch is in signal connection with the central control box; when the left side slider moved left, the left end of left side slider can contact with contact switch's right side, and contact switch passes through the first motor stall of well accuse case control to carry on spacingly to left side slider position, prevent that left side slider from colliding with left side second mounting panel, improve practicality and reliability.

The drum vulcanizer disclosed by the invention further comprises a limiting plate, wherein the limiting plate is arranged on the top plate, and the position of the limiting plate corresponds to the position of the right slide block; through setting up the limiting plate, can make things convenient for many right sides slider to move the position to right-hand, prevent that right side slider from moving right-hand to the right side adjusting lever to carry on spacingly to right side slider shift position, improve practicality and reliability.

The invention relates to a drum vulcanizer, which comprises a supporting plate and two groups of third mounting plates, wherein the supporting plate is positioned above two groups of fixing frames, the top position of the supporting plate corresponds to the top positions of two groups of tensioning rollers, the front side and the rear side of each group of third mounting plates are respectively fixed on the two groups of fixing frames, and the bottom of the supporting plate is fixed on the two groups of third mounting plates; when extruding the material upside, the bottom of material contacts with the top of layer board and slides on the layer board, through setting up the lifting device, can conveniently lift the material upside, conveniently makes the bottom of multiunit pinch roller extrude the processing to steel band upside and material upside, prevents that steel band upside and material upside atress from taking place to buckle, improves practicality and reliability.

According to the drum vulcanizer disclosed by the invention, a plurality of groups of second heating devices are uniformly arranged at the top of the inner wall of the fixing groove, and the positions of the plurality of groups of second heating devices are respectively staggered with the positions of the plurality of groups of press wheels; open multiunit second heating device, multiunit second heating device produces the heat and carries out heat treatment to multiunit pinch roller and steel band upside, and the multiunit pinch roller is with heat synchronous transfer to the steel band on, the steel band upside is heated the temperature and risees and carries out outer wall to the material upside and carry out heat treatment, conveniently makes material inner wall and outer wall be heated evenly, improves the vulcanization effect, improves the practicality.

The invention discloses a drum vulcanizer, which further comprises a shield, wherein the shield is positioned outside a power device, and the rear side of the shield is fixed on a first mounting plate at the front side; through setting up the guard shield, can conveniently keep apart the protection to power device, prevent that its operation from causing the injury to the human body, improve practicality and reliability.

Compared with the prior art, the invention has the beneficial effects that: sleeving a material coated with an adhesive layer outside on two groups of tensioning rollers and heating rollers, pressing a steel belt on the material, opening a power device, driving a second rotating shaft and the heating rollers to rotate clockwise by the power device, driving the two groups of tensioning rollers to rotate clockwise by the heating rollers through the steel belt and the material, so that the material rotates clockwise, opening a first heating device, heating the heating rollers by the first heating device, increasing the temperature of the heating rollers and heating the material, softening the adhesive layer on the material, so as to vulcanize the material, simultaneously opening a first motor, driving a lead screw to rotate by the first motor, connecting the lead screw with two groups of sliding blocks in a screw way, driving the two groups of sliding blocks to move rightwards synchronously by the lead screw, driving four groups of sliding block guiding devices to move on a top plate respectively through two groups of adjusting rods, and supporting and guiding the moving plate by the four groups of guiding devices, conveniently keeping the moving plate horizontally moving, driving the pressing plate to move downwards by four groups of elastic devices, driving a plurality of groups of third rotating shafts and a plurality of groups of pressing wheels to move downwards by the pressing plate, contacting the bottoms of the groups of pressing wheels with the outer wall of the upper side of the steel band and extruding the steel band, so that the upper side of the steel band extrudes the upper side of a material, the material can slide on the lifting device, driving the groups of pressing wheels to roll on the groups of third rotating shafts respectively at the same time, when the groups of pressing wheels are kept horizontal and are all contacted and extruded with the outer wall of the upper side of the steel band, the pressing plate moves to a horizontal state, the working mode of the elastic devices is that when the pressing plate stops moving, the moving plate continues to move downwards, the moving plate pushes the spring to generate elastic deformation, the spring elastically extrudes the pressing plate, and simultaneously pushes the moving plate supporting barrel to move downwards, the moving block and the supporting rod are in a standing state, and the moving block moves upwards in the supporting barrel, the supporting barrel, the moving block and the supporting rod can support and guide the springs and the moving plate, as the elastic coefficients of the two groups of springs on the left side are smaller than those of the two groups of springs on the right side, and the downward extrusion force of the two groups of springs on the right side to the pressing plate is larger than that of the two groups of springs on the left side to the pressing plate, so that the extrusion force of the multiple groups of pressing wheels to the upper side of the steel strip is gradually increased from left to right, the material on the upper side is conveniently and gradually pressurized, the material is conveniently and uniformly stressed, the four groups of laser range finders on the four groups of elastic devices can respectively measure the positions of the springs on the four groups of elastic devices and transmit the measured values to the central control box, when the four groups of laser range finders detect that the height positions of the four groups of springs are consistent and meet the specified requirements, the central control box controls the first motor to stop rotating, the extrusion force of the multiple groups of pressing wheels to the outer wall on the upper side of the steel strip is kept fixed, so that the material is continuously and is gradually pressurized and vulcanized, after the material vulcanization is completed, the first motor is reversely controlled by the central control box to operate, the multiple groups of pinch rollers move upwards and recover to the initial position, the power device is closed, the steel belt and the material stop rotating, the steel belt and the vulcanized material are taken down, and the material is gradually pressurized and vulcanized, so that the stress of the material can be uniformly applied, the material is conveniently shaped, the vulcanization effect is improved, and the practicability and the reliability are improved.

Drawings

FIG. 1 is a front cross-sectional structural view of the present invention;

FIG. 2 is a schematic diagram of a front view configuration of the present invention;

FIG. 3 is an enlarged view of the pressure wheel of FIG. 1;

FIG. 4 is an enlarged view of the slider of FIG. 1;

FIG. 5 is an enlarged schematic view of the second motor of FIG. 2;

in the drawings, the reference numbers: 1. a fixed mount; 2. a first rotating shaft; 3. a tension roller; 4. a first mounting plate; 5. a second rotating shaft; 6. a heating roller; 7. a first heating device; 8. a steel belt; 9. pressing a plate; 10. a third rotating shaft; 11. a pinch roller; 12. moving the plate; 13. a side plate; 14. a top plate; 15. a second mounting plate; 16. a lead screw; 17. a first motor; 18. a guide rail; 19. a slider; 20. an adjusting lever; 21. a central control box; 22. a support tub; 23. a moving block; 24. a support bar; 25. a spring; 26. a laser range finder; 27. a second motor; 28. a speed reducer; 29. a fourth rotating shaft; 30. a first bevel gear; 31. a second bevel gear; 32. a guide sleeve; 33. a guide bar; 34. a contact switch; 35. a limiting plate; 36. a support plate; 37. a third mounting plate; 38. a second heating device; 39. a shield.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, in the drum vulcanizer of the present invention, when in operation, a material coated with an adhesive layer from the outside is sleeved on two sets of tension rollers 3 and heating rollers 6, a steel belt 8 is pressed on the material, a power device is turned on, the power device drives a second rotating shaft 5 and the heating rollers 6 to rotate clockwise, the heating rollers 6 drive the two sets of tension rollers 3 to rotate clockwise through the steel belt 8 and the material, so that the material performs clockwise rotation, a first heating device 7 is turned on, the first heating device 7 heats the heating rollers 6, the heating rollers 6 increase in temperature and heat the material, the adhesive layer on the material is softened, so that the material is vulcanized, the first motor 17 is turned on, the first motor 17 drives a lead screw 16 to rotate, the lead screw 16 is connected with the two sets of sliders 19 in a screwed manner, the lead screw 16 drives the two sets of sliders 19 to move rightward synchronously, two groups of sliding blocks 19 respectively push a moving plate 12 to move downwards through two groups of adjusting rods 20, the moving plate 12 drives four groups of guiding devices to move on a top plate 14, the four groups of guiding devices support and guide the moving plate 12 so as to conveniently enable the moving plate 12 to keep horizontal movement, the moving plate 12 drives a pressing plate 9 to move downwards through four groups of elastic devices, the pressing plate 9 drives a plurality of groups of third rotating shafts 10 and a plurality of groups of pressing wheels 11 to move downwards, the bottoms of the groups of pressing wheels 11 are contacted with the outer wall of the upper side of a steel strip 8 and extrude the steel strip 8, so that the upper side of the steel strip 8 extrudes the upper side of a material, the material can slide on a lifting device, meanwhile, the upper side of the steel strip 8 can drive the groups of pressing wheels 11 to respectively roll on the groups of third rotating shafts 10, when the groups of pressing wheels 11 are kept horizontal and are all contacted and extruded with the outer wall of the upper side of the steel strip 8, the pressing plate 9 moves to a horizontal state, and the elastic devices work mode is that, when the pressing plate 9 stops moving, the moving plate 12 continues to move downwards, the moving plate 12 pushes the springs 25 to elastically deform, the springs 25 elastically extrude the pressing plate 9, meanwhile, the moving plate 12 pushes the supporting barrel 22 to move downwards, the moving block 23 and the supporting rods 24 are in a standing state, the moving block 23 moves upwards in the supporting barrel 22, the moving block 23 and the supporting rods 24 can support and guide the springs 25 and the moving plate 12, the elastic coefficients of the two groups of springs 25 on the left side are smaller than those of the two groups of springs 25 on the right side, the downward extrusion force of the two groups of springs 25 on the right side to the pressing plate 9 is larger than that of the two groups of springs 25 on the left side to the pressing plate 9, so that the extrusion force of the multiple groups of pressing wheels 11 to the upper side of the steel belt 8 is gradually increased from left to right, the materials on the upper side are conveniently and are gradually pressurized, the materials are conveniently stressed uniformly, and the four groups of laser range finders 26 on the four groups of elastic devices can respectively measure the positions of the springs 25 and measure the springs The values are transmitted into a central control box 21, when four groups of laser range finders 26 detect that the height positions of four groups of springs 25 are kept consistent and meet the specified requirements, the central control box 21 controls a first motor 17 to stop rotating, the extrusion force of the multiple groups of press wheels 11 on the outer wall of the upper side of the steel strip 8 is kept fixed, so that the materials are continuously subjected to gradual pressurization and vulcanization treatment, after the materials are vulcanized, the central control box 21 reversely controls the first motor 17 to operate, the multiple groups of press wheels 11 move upwards and return to the initial positions, a power device is turned off, the steel strip 8 and the materials stop rotating, and the steel strip 8 and the vulcanized materials are taken down.

The main functions realized by the invention are as follows: the material is gradually pressurized and vulcanized, so that the material is uniformly stressed, the material is conveniently shaped, and the vulcanization effect is improved; the working mode of the power device is that the second motor is started, the second motor drives the first bevel gear to rotate through the speed reducer and the fourth rotating shaft, the first bevel gear is meshed with the second bevel gear, and the first bevel gear drives the second rotating shaft to rotate through the second bevel gear so as to drive the heating roller to rotate; the guide device works in a mode that when the movable plate moves, the movable plate drives the guide rod to slide on the guide sleeve, and the guide device is arranged, so that the movable plate can be conveniently supported and guided, and the movable plate can conveniently keep moving vertically; when the left side sliding block moves leftwards, the left end of the left side sliding block can be in contact with the right side of the contact switch, and the contact switch controls the first motor to stop rotating through the central control box, so that the position of the left side sliding block is limited, and the left side sliding block is prevented from colliding with the left side second mounting plate; by arranging the limiting plate, the right-side sliding blocks can move rightwards conveniently to be limited, and the right-side sliding blocks are prevented from moving to the right of the right adjusting rod, so that the moving position of the right-side sliding blocks is limited; the lifting device has the working mode that when the upper side of the material is extruded, the bottom of the material is in contact with the top of the supporting plate and slides on the supporting plate, the upper side of the material can be conveniently lifted by arranging the lifting device, the bottom of the plurality of groups of pressing wheels can conveniently extrude the upper side of the steel belt and the upper side of the material, and the upper side of the steel belt and the upper side of the material are prevented from being bent due to stress; the multiple groups of second heating devices are turned on, generate heat and heat the multiple groups of pressing wheels and the upper side of the steel belt, the multiple groups of pressing wheels synchronously transfer the heat to the steel belt, the heating temperature of the upper side of the steel belt is increased, and the outer wall of the upper side of the material is heated, so that the inner wall and the outer wall of the material are uniformly heated, and the vulcanization effect is improved; through setting up the guard shield, can conveniently keep apart the protection to power device, prevent that its operation from causing the injury to the human body, improve practicality and reliability.

According to the drum vulcanizer disclosed by the invention, the supporting rod can be made of short steel bars

According to the drum vulcanizer disclosed by the invention, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the installation mode, the connection mode or the arrangement mode can be implemented as long as the beneficial effects of the installation mode, the connection mode or the arrangement mode can be achieved; the first heating device, the central control box, the laser range finder, the contact switch and the second heating device can be purchased in the market.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A drum vulcanizer is characterized by comprising two groups of fixed frames (1), two groups of first rotating shafts (2), two groups of tensioning rollers (3), two groups of first mounting plates (4), a second rotating shaft (5) and a heating roller (6), wherein the two groups of first rotating shafts (2) are longitudinally and rotatably mounted on the upper left side and the upper right side between the two groups of fixed frames (1) respectively, the two groups of tensioning rollers (3) are mounted on the two groups of first rotating shafts (2) respectively, the two groups of first mounting plates (4) are mounted on the lower sides of the two groups of fixed frames (1) respectively, the front side and the rear side of the second rotating shaft (5) are rotatably mounted on the two groups of first mounting plates (4) respectively, the front end of the second rotating shaft (5) penetrates through the front side first mounting plate (4) and extends out to the front side of the front side first mounting plate (4), a power device is arranged on the front side first mounting plate (4), and the power device can be in transmission connection with the front end of the second rotating shaft (5), the heating roller (6) is arranged on the second rotating shaft (5), a first heating device (7) is arranged inside the heating roller (6), steel belts (8) are laid on the outer sides of the two groups of tensioning rollers (3) and the heating roller (6) and can synchronously rotate through the steel belts (8), a pressing plate (9) is obliquely arranged above the steel belts (8), the left side of the pressing plate (9) is higher than the right side, a fixed groove is formed in the bottom of the pressing plate (9), a plurality of groups of third rotating shafts (10) are uniformly arranged on the inner wall of the fixed groove, a pressing wheel (11) is rotatably arranged on each group of third rotating shafts (10), four groups of elastic devices are uniformly arranged on the outer side of the top of the pressing plate (9), four groups of elastic devices are arranged above the pressing plate (9), the tops of the four groups of elastic devices are all arranged on the movable plate (12), side plates (13) are arranged on the tops of the two groups of fixed frames (1), and top plates (14) are arranged on the side plates (13) at two ends, the right side and the left side of the bottom of the top plate (14) are respectively provided with a second mounting plate (15), a lead screw (16) is arranged between the two groups of second mounting plates (15), the left end and the right end of the lead screw (16) are respectively rotatably mounted on the two groups of second mounting plates (15), the left end of the left side second mounting plate (15) is provided with a first motor (17), the right output end of the first motor (17) penetrates through the left side second mounting plate (15) and is in transmission connection with the left end of the lead screw (16), a guide rail (18) is arranged above the lead screw (16), the top of the guide rail (18) is mounted on the top plate (14), the left side and the middle part of the lead screw (16) are respectively provided with a sliding block (19), the lead screw (16) penetrates through the sliding block (19), the lead screw (16) is in screw connection with the sliding block (19), and the top of the two groups of sliding blocks (19) is in sliding connection with the bottom of the guide rail (18), the bottom of each of the two groups of sliding blocks (19) can be rotatably provided with an adjusting rod (20), the bottoms of the two groups of adjusting rods (20) can be respectively rotatably arranged on the left side and the right side of the top of the moving plate (12), the outer side of the top of the moving plate (12) is uniformly provided with four groups of guide devices, the upper sides of the four groups of guide devices are respectively arranged on the top plate (14), the middle position of the bottom of the moving plate (12) is provided with a central control box (21), the central control box (21) is electrically connected with the four groups of elastic devices, each elastic device comprises a supporting barrel (22), a moving block (23), a supporting rod (24), a spring (25) and a laser range finder (26), the supporting barrel (22) is arranged on the moving plate (12), the moving block (23) is positioned in the supporting barrel (22), the top of the supporting rod (24) is arranged on the moving block (23), and the bottom of the supporting rod (24) can be rotatably arranged on the pressing plate (9), spring (25) suit is in the outside of supporting bucket (22) and bracing piece (24), install respectively on movable plate (12) and clamp plate (9) top and bottom of spring (25), install at supporting bucket (22) inner wall top laser range finder (26), the position of laser range finder (26) corresponds with the position of movable block (23), laser range finder (26) and well accuse case (21) signal connection, the elastic coefficient of two sets of spring (25) on the two sets of elastic device in left side all is less than the elastic coefficient of two sets of spring (25) on the two sets of elastic device in right side, the upside is provided with the lifting device between two sets of mounts (1), the top position of lifting device corresponds with the top position of two sets of tensioning rollers (3), well accuse case (21) and first motor (17) signal connection.

2. A drum vulcanizer as set forth in claim 1, wherein said power unit comprises a second motor (27), a speed reducer (28), a fourth shaft (29), a first bevel gear (30) and a second bevel gear (31), said second motor (27) and said speed reducer (28) are mounted on said first mounting plate (4) at the front side, said second motor (27) is drivingly connected to said speed reducer (28), said fourth shaft (29) is mounted on said speed reducer (28), said first bevel gear (30) is mounted on the right side of said fourth shaft (29), said second bevel gear (31) is mounted on the front end of said second shaft (5), and the left side of said second bevel gear (31) is engaged with the rear side of said first bevel gear (30).

3. A drum vulcanizer as set forth in claim 2, wherein the guide means comprises a guide sleeve (32) and a guide rod (33), the bottom of the guide sleeve (32) passing through the top plate (14) and projecting below the top plate (14), the bottom of the guide rod (33) being mounted on the movable plate (12), the top of the guide rod (33) passing through the guide sleeve (32) and projecting above the guide sleeve (32), the guide rod (33) being slidably connected to the guide sleeve (32).

4. A drum vulcanizer according to claim 3, further comprising a contact switch (34), said contact switch (34) being mounted on said second left mounting plate (15), the position of said contact switch (34) corresponding to the position of said left slider (19), said contact switch (34) being signally connected to said central control box (21).

5. A drum vulcanizer according to claim 4, further comprising a limit plate (35), said limit plate (35) being mounted on said top plate (14), the position of said limit plate (35) corresponding to the position of said right slide (19).

6. A drum vulcanizer according to claim 5, wherein said lifting means comprises a supporting plate (36) and two sets of third mounting plates (37), said supporting plate (36) being located above said two sets of holders (1), the top of said supporting plate (36) corresponding to the top of said two sets of tensioning rollers (3), the front and rear sides of said two sets of third mounting plates (37) being fixed to said two sets of holders (1), respectively, and the bottom of said supporting plate (36) being fixed to said two sets of third mounting plates (37).

7. A drum vulcanizer according to claim 6, wherein the top of the inner wall of the fixing groove is uniformly provided with a plurality of sets of second heating means (38), and the positions of the plurality of sets of second heating means (38) are respectively staggered with the positions of the plurality of sets of press rollers (11).

8. A drum vulcanizer according to claim 7 further comprising a shield (39), said shield (39) being located outside said power unit, the rear side of said shield (39) being fixed to said front first mounting plate (4).