CN108606354B

CN108606354B - Tobacco leaf fixation machine

Info

Publication number: CN108606354B
Application number: CN201810336598.XA
Authority: CN
Inventors: 危金兰
Original assignee: Hangzhou Gence Technology Co Ltd
Current assignee: Hangzhou Gence Technology Co Ltd
Priority date: 2015-11-29
Filing date: 2015-11-29
Publication date: 2021-08-10
Anticipated expiration: 2035-11-29
Also published as: CN106333379A; CN106333379B; CN108606354A

Abstract

The invention relates to tobacco leaf processing equipment. The utility model provides a tobacco leaf machine of completing, includes shell, heating mechanism and tuber pipe, is equipped with the cylinder in the shell, be equipped with the heating mechanism for the cylinder heating between shell and the cylinder, the tuber pipe is equipped with entrance point and exit end, entrance point connection has air-blower, exit end with the inner space intercommunication of cylinder, air-blower are equipped with the handle bar, and the handle bar is equipped with the sleeve pipe, is equipped with elasticity adjustment mechanism between handle bar and the sleeve pipe, and elasticity adjustment mechanism includes parent tube, clamping layer and pretightning force regulation structure, and the clamping layer comprises a plurality of friction bars, and the friction bar is equipped with a plurality of slide bars of wearing to locate the parent tube, and the inner of slide bar is equipped with the third spring that the drive slide bar moved outward. The invention provides a tobacco leaf fixation machine which is convenient to assemble an air blower, is not easy to generate scorched edge explosion points during fixation and has high energy utilization rate, and solves the problems that the tobacco leaves generate scorched edge explosion points or water stuffiness and have high energy consumption during fixation of the existing fixation machine.

Description

Tobacco leaf fixation machine

The present case is the divisional application of application number 2015108423390, application date 2015, 11 month 29, and the name "tobacco leaf fixation machine".

Technical Field

The invention relates to tobacco leaf processing equipment, in particular to a tobacco leaf fixation machine.

Background

In the processing process of the tobacco leaves, the water-removing is needed and is completed through a water-removing machine. The roller type tobacco leaf de-enzyming machine is basically structurally characterized by comprising a rack, wherein a shell is arranged on the rack, a roller is arranged in the shell, a heating mechanism for heating the roller is arranged between the shell and the roller, tobacco leaves are placed in the roller during use, and the outer wall of the roller is heated by the heating mechanism in the rolling process of the roller to realize de-enzyming. The energy sources adopted by the outer wall of the heating roller comprise firewood, coal, electricity, gas, electromagnetism and the like, the tobacco leaf fixation is carried out on the outer wall of the heating roller, the defect that the tobacco leaf generates coke-edge explosion points or water-tight gas easily exists, the quality of the tobacco leaf is influenced, the heat efficiency is low, and the energy consumption is high.

Disclosure of Invention

The invention provides a tobacco leaf fixation machine which is convenient to assemble an air blower, is not easy to generate scorched edge explosion points during fixation and has high energy utilization rate, and solves the problems that the tobacco leaves generate scorched edge explosion points or water stuffiness gas and have high energy consumption during fixation of the existing fixation machine.

The technical problem is solved by the following technical scheme: a tobacco leaf enzyme deactivating machine comprises a frame, wherein a shell is arranged on the frame, a roller is arranged in the shell, a heating mechanism for heating the roller is arranged between the shell and the roller, the machine is characterized by further comprising an air pipe which is arranged between the roller and the shell and is heated by the heating mechanism, the air pipe is provided with an inlet end and an outlet end, the inlet end is connected with an air blower, the outlet end is communicated with the inner space of the roller, the air blower comprises an air blower shell, the air blower shell is provided with a handle rod, a sleeve pipe is sleeved outside the handle rod in an elastic manner, an elastic force adjusting mechanism for adjusting the elastic force between the sleeve pipe and the handle rod is arranged between the handle rod and the sleeve pipe, the elastic force adjusting mechanism comprises a base pipe which is sleeved outside the handle rod and is penetrated in the sleeve pipe and a clamping layer which is surrounded outside the base pipe, and the clamping layer is formed by a plurality of friction strips which are distributed along the circumferential direction of the base pipe, the friction strip is provided with a plurality of slide bars extending along the radial direction of the base pipe, the slide bars penetrate through the base pipe in a sliding mode, a third spring for driving the slide bars to move outwards and further driving the friction strip to be abutted with the sleeve is arranged at the inner ends of the slide bars, and the elasticity adjusting mechanism is further provided with a pre-tightening force adjusting structure for adjusting the pre-tightening force of the third spring. In the use process, the heating mechanism heats the outer wall of the roller and also heats the air pipe by utilizing the waste heat, so that the air blown into the roller by the air blower through the air pipe is hot air, the hot air blown into the roller can avoid the burning edge explosion point or water-tight air generated by tobacco leaves, the water-removing efficiency can be improved, and the heat of the hot air is the utilization rate of the waste heat of the heating structure, the energy consumption can be reduced and the heat can be improved. When the blower is assembled, the handle rod is held to move the blower so as to adjust the position of the blower to meet the requirement, so that the blower is convenient to assemble; the handle pole among this technical scheme has elasticity to travelling comfort when improving the use, the elasticity effect among this technical scheme can also change, in order to adapt to different needs. The elastic specific adjusting process of the handle rod comprises the step of driving the third spring to move along the radial direction of the base pipe through the pretightening force adjusting structure, so that the friction strips and the positive pressure of the sleeve pipe are changed, the pretightening force is changed, and the sleeve pipe is changed in size relative to the force of the handle rod to achieve different elastic effects.

Preferably, the casing is formed by two half parts distributed along the radial direction of the roller in a surrounding manner, the joint of the two half parts forms two boundary lines, and the air duct is provided with two heat absorption sections which extend along the extending direction of the two boundary lines in a one-to-one correspondence manner and prevent heat from leaking through the boundary of the two half parts. The housing is formed of two halves which are removably connected together to facilitate the assembly and removal of components located within the housing. The design may cause the problem of heat waste caused by the leakage of hot air through the boundary line, and at this time, the heat absorption section is designed in the air duct to effectively prevent the heat from leaking through the boundary line, so that the heat of the air to be leaked through the boundary line is absorbed by the heat absorption section and then flows out of the boundary line, thereby preventing the leakage from being easily generated, and even if the leakage of the heat is generated, the leaked heat is less.

Preferably, one ends of the two sections of heat absorbing sections are connected together through a connecting section extending along the circumferential direction of the roller, the other ends of the two sections of heat absorbing sections are positioned at the same end of the roller, and the other ends of the two sections of heat absorbing sections respectively form the inlet end and the outlet end. Compact structure, convenient layout and good heat absorption effect.

Preferably, one end of the roller is provided with a feed inlet, and the outlet end is communicated with the inner space of the roller through the feed inlet. The inlet port of the roller is used as a connector between the outlet end of the air pipe and the roller, so that the air pipe is convenient and labor-saving when connected, and the air pipe blows in the roller to play a role in improving feeding smoothness. The phenomenon of coke edge explosion and the discharge of water vapor generated by the tobacco leaves can be effectively avoided, so that the quality of the tobacco leaves is further improved.

Preferably, the outlet end is connected with one end of the roller, and the other end of the roller is provided with an exhaust pipe. The exhaust pipe is arranged, so that water vapor in the roller can be more smoothly discharged, and the phenomenon of water vapor is more effectively avoided.

Preferably, the air outlet direction of the exhaust pipe is far away from the drum. The shell damage caused by the leakage of the discharged water vapor to the shell after the water vapor is liquefied can be avoided.

Preferably, the outer circumferential surface of the roller is provided with an annular guide rail extending along the circumferential direction of the roller, the rack is provided with a guide wheel, the circumferential surface of the guide wheel is provided with a limit groove extending along the circumferential direction of the guide wheel, and the limit groove is sleeved on the guide rail. The roller can be effectively prevented from generating axial movement. The stability is good.

Preferably, the drum is provided with an outer gear ring, and the frame is provided with a gear which is meshed with the outer gear ring and drives the drum. It is convenient when the driving roller rolls.

Preferably, the pretightening force adjusting structure comprises two conical heads of a tubular structure for supporting the base pipe outside the handle rod, a driving structure for driving the conical heads to axially move and enabling the conical heads to stop at a set position, and a plurality of ejector rods, the two conical heads are slidably connected into two ends of the base pipe in a manner that small-diameter ends are arranged in an opposite direction, two ends of the ejector rods are placed on conical surfaces of the two conical heads, all the sliding rods of the same friction strip are supported on the same ejector rod through the spring, and the sliding rods of each friction strip are supported through one ejector rod. During adjustment, the position of the conical head is changed axially to realize radial movement of the ejector rod along the base pipe, so that the change of the radial position of the ejector rod along the base pipe is realized, and the change of the pretightening force of the third spring is realized. The convenience when adjusting is good.

Preferably, the drive structure comprises two top blocks threaded into the two ends of the base pipe, the two conical heads being located between the two top blocks. The conical head is driven to be adjusted by rotating the ejector block, the adjustment is automatically positioned in place, and the convenience in use is better.

Preferably, the roller is provided with a plurality of damping structures distributed along the circumferential direction of the roller, each damping structure comprises an adjusting nut, a core sleeve, a disc spring with the small end facing the core sleeve and an installation plate, the adjusting nuts and the core sleeve are sequentially abutted together along the radial direction of the roller, the installation plate is fixedly connected with an adjusting screw rod, the adjusting screw rod penetrates through the disc spring and the core sleeve and is in threaded connection with the adjusting nut, a rubber ring is connected outside the core sleeve, a mass ring is connected outside the rubber ring, and the rubber ring is provided with a frustum-shaped counter bore for pressing the disc spring. The drum is provided with a damping structure, a mass ring of the damping structure provides mass M for the damping structure, a rubber ring provides rigidity and damping for the damping structure, and the vibration energy of the drum is converted into friction heat energy to be consumed through the rubber ring of the damping structure, so that the vibration and noise of the drum during rotation are reduced; the rigidity and the damping of the damping structure can be adjusted by adjusting the weight of the mass block ring and the hardness of the rubber ring, so that the modal frequency of the damping structure is consistent with the frequency of the roller during resonance; the prepressing force of the elastic cushion plate is adjusted by rotating the adjusting nut, so that the range of adjusting the rigidity and the damping of the damping structure can be enlarged.

Preferably, a rubber bushing is arranged in the core sleeve. The vibration caused by the rubbing of the inner peripheral surface of the core sleeve and the adjusting screw rod can be avoided. The vibration damping can be further improved.

Preferably, the outer circumferential surface of the core sleeve is provided with a plurality of core sleeve part connecting rings extending into the rubber ring, and the inner circumferential surface of the mass ring is provided with a plurality of mass ring part connecting rings extending into the rubber ring. The connection reliability of the shock-absorbing structure can be improved.

Preferably, one of the two half parts is provided with a first inner flanging, the other half part is provided with a second inner flanging, the first inner flanging and the second inner flanging are connected together in a sealing and hooking mode to connect the two half parts together, the heat absorption section is provided with a rigid connecting plate and an elastic connecting plate, the rigid connecting plate and the elastic connecting plate are connected with the two half parts together in a one-to-one mode, the first inner flanging and the second inner flanging are abutted under the bouncing-off effect of the elastic connecting plate, and a sealing cavity is formed among the first inner flanging, the second inner flanging, the rigid connecting plate and the elastic connecting plate. When the heat absorption type heat absorption device is used, the heat absorption section is connected in the shell under the action of the rigid connecting plate, and the first inward flanging and the second inward flanging are connected in a sealing and abutting mode under the elastic action of the elastic connecting plate to achieve sealing connection of the two half parts. The sealing requirements of the joints increase with increasing temperature, and in order to meet the sealing requirements at high temperature, the sealing requirements must be designed to have high sealing effect at low temperature, which results in increased sealing cost. According to the technical scheme, the air pressure in the sealing cavity can be increased along with the increase of the temperature, the thrust of the outwards-pushed elastic connecting plate can be increased when the air pressure is increased, the increased abutting force of the first inner flanging and the second inner flanging can be increased when the thrust is increased, so that the sealing effect is increased, namely the sealing effect of the technical scheme can be automatically increased along with the increase of the temperature.

The invention has the following advantages: the method has the advantages that the enzyme deactivation is not easy to generate coke-edge explosion points, the color is good, the fragrance is high, the energy utilization rate and the enzyme deactivation yield are improved, and the effects of saving energy and improving the quality of tobacco leaves are achieved; the air blower is convenient to move in the assembling process, and the comfort in moving is good.

Drawings

Fig. 1 is a schematic front view of a first embodiment of the present invention.

Fig. 2 is a left side view schematically illustrating a first embodiment of the present invention.

Fig. 3 is a partially enlarged schematic view of fig. 1 at C.

Fig. 4 is a cross-sectional schematic view of the handle bar of fig. 1.

Fig. 5 is an axial cross-sectional schematic view of the handle bar of fig. 1.

Fig. 6 is a schematic view illustrating a connection relationship between the housing and the heat absorbing section according to a second embodiment of the present invention.

Fig. 7 is an axial schematic view of a drum in a third embodiment of the present invention.

Fig. 8 is a schematic structural view of the shock-absorbing structure.

In the figure: the outer gear ring 1, the frame 2, the guide wheel 21, the gear 22, the limit groove 23, the shock-absorbing structure 3, the mounting plate 31, the belleville spring 32, the core sleeve 33, the core sleeve part connecting ring 331, the adjusting nut 34, the locking nut 35, the adjusting screw 36, the rubber bushing 37, the rubber ring 38, the frustum-shaped counter bore 381, the mass ring 39, the mass ring part connecting ring 391, the shell 4, the half part 41, the first inward flange 42, the second inward flange 43, the roller 5, the guide rail 51, the feed inlet 52, the exhaust pipe 53, the air duct 6, the heat absorbing section 61, the arc-shaped section 62, the inlet end 63, the outlet end 64, the connecting pipe 65, the rigid connecting plate 66, the elastic connecting plate 67, the sealing cavity 68, the blower 7, the blower casing 71, the elastic force adjusting mechanism 8, the base pipe 81, the clamping layer 82, the friction strip 821, the sliding rod 822, the third spring 823, the pretightening force adjusting structure 83, the conical head 831, the ejector rod, the driving structure 833, the mounting plate, the driving structure 31, the mounting plate 33, the mounting plate assembly, the mounting plate assembly, and the mounting plate assembly, and the like, Top block 8331, handle bar 9, sleeve 91, boundary line L, left end surface S of the housing.

Detailed Description

The invention is further described with reference to the following figures and examples.

In a first embodiment, referring to fig. 1, a tobacco leaf fixation machine comprises a frame 2. The frame 2 is provided with a shell 4 and a guide wheel 21. The housing 4 is surrounded by two halves 41 distributed in the vertical direction. The two halves 41 are releasably sealingly connected together. The junction of the two halves 41 forms two lines of intersection L. The two boundary lines L are distributed in the front-rear direction. The boundary line L is a straight line. A roller 5 is arranged in the housing 4. The outer surface of the drum 5 is provided with a black surface layer. The outer circumferential surface of the drum 5 is provided with an annular guide rail 51 extending in the circumferential direction of the drum. The axis of the drum 5 extends in the left-right direction. The left end of the drum 5 is provided with a feed opening 52. The feed inlet 52 is a bucket configuration. The feed opening 52 is fixedly connected to the housing 4. The feed opening 52 is rotatably connected to the drum 5. An exhaust pipe 53 is connected to the right end of the drum 5. The air outlet direction of the air outlet pipe 53 is directly in front of the housing 4, and the air outlet direction of the air outlet pipe 53 faces to the left side of the left end surface S of the housing, so that the expected effect, that is, the direction away from the drum, can be achieved. A heating mechanism (the heating mechanism is the existing mechanism) and an air duct 6 are arranged between the shell 4 and the roller 5. The outer surface of the air duct 6 is provided with a black surface layer. The air duct 6 comprises two heat absorbing sections 61 and an arc-shaped section 62. The two sections of heat absorbing sections 61 extend along the extension direction of the two lines of intersection L and are located inside the two lines of intersection L in a one-to-one correspondence, and the positional relationship can prevent heat from leaking through the boundary of the two halves 41. The left end of the front section of the two sections 61 forms an inlet end 63 and the left end of the rear section forms an outlet end 64. The inlet end 63 is connected to a blower 7. The outlet end 64 is connected with the inlet 52 through a connecting pipe 65 and communicated with the interior of the drum 5, and the part flowing out of the air pipe 5 is blown towards the interior of the drum 5. The arc segment 62 is located in an arc extending in the circumferential direction of the drum 5. The right ends of the two heat absorbing sections 61 are communicated together through an arc-shaped section 62.

The blower 7 includes a blower housing 71. The blower housing 71 is provided with a handle bar 9. The handle rod 9 is elastically sleeved with a sleeve 91.

Referring to fig. 2, the frame 2 is also provided with a gear 22. The gear 22 is driven by the main motor. The outer surface of the middle part of the roller 5 is provided with an outer gear ring 1. The gear 22 meshes with the external gear ring 1.

Referring to fig. 3, a stopper groove 23 is provided on the circumferential surface of the guide wheel 21. The stopper groove 23 extends in the circumferential direction of the guide wheel 21. The stopper groove 23 is provided on the guide rail 51.

Referring to fig. 4, an elastic force adjusting mechanism 8 is provided between the handle bar 9 and the sleeve 91. The elasticity adjusting mechanism 8 comprises a base pipe 81, a clamping layer 82 and a pretightening force adjusting structure 83. The base pipe 81 is sleeved outside the handle rod 9. Basepipe 81 is disposed through casing 91. The clamping layer 82 is formed from a plurality of friction bars 821. The friction bars 821 are distributed along the circumference of the base pipe 81. The friction bar 821 is provided with a number of slide bars 822 distributed axially along the radial extension of the base pipe. Slide bar 822 is slidably disposed through base pipe 81. The inner end of the sliding bar 822 is provided with a third spring 823. The third spring 823 drives the friction bar against the sleeve 91 via the slide bar. The outward pretension adjusting structure 83 includes two conical heads 831 and a plurality of push rods 832. The conical head 831 is a tubular structure. The conical head 831 is sleeved on the handle rod 9 and is arranged in the base pipe 81 in a penetrating way to connect the base pipe 81 and the handle rod 9 together. Conical head 831 is only slidably connected within base pipe 81. Ejector pins 832 extend axially along the circumferential distribution of base pipe 81. All the sliding rods 822 of the same friction bar 821 are supported on the same push rod 832 by a third spring 823, and the sliding rod of each friction bar is supported by one push rod.

Referring to fig. 5, two conical heads 831 are slidably connected in both ends of base pipe 81 in such a manner that the small diameter ends are arranged in an opposite direction. The two ends of the ejector 832 rest on the conical surfaces of the two conical heads 831. The pretension adjusting structure 83 also includes a driving structure 833. . Drive structure 833 includes two top blocks 8331 that are threaded into the ends of base pipe 81. The top block 8331 is sleeved on the handle rod 9. Two conical heads 831 are located between the two top blocks 8331.

Referring to fig. 1, when the position of the blower 7 needs to be adjusted during the assembly process, the blower 7 is moved by being held by hand on the sleeve 91.

Referring to fig. 4 and 5, the process of adjusting the elastic effect of the sleeve is: by rotating top block 8331 to drive conical head 831 to move along the axial direction of base pipe 81, conical head 831 drives top rod 832 to move along the radial direction of base pipe 81, and top rod 832 presses third spring 823 to change the pretightening force.

Referring to fig. 1, when the bag-de-enzymed tobacco leaves are used, the tobacco leaves are poured into the roller 5 through the feeding hole 52, and the airflow blown by the blower 7 flows through the heat absorption section positioned in the front of the heat absorption section 61, the arc-shaped section 62, the heat absorption section positioned in the rear of the heat absorption section 61 and the connecting pipe 65 in sequence and then is blown to the interior of the roller 5 through the inlet hole 52. The rolling wheel 5 is driven by a motor to rotate. The heating mechanism heats the outer surface of the roller 5, and the air pipe 6 is also heated when the heat generated by the heating mechanism radiates in the direction far away from the roller, so that the air blown into the roller 5 through the air pipe 6 is divided into hot air, and the temperature of the air is more than 200 ℃. The generated moisture, i.e., the air current flowing through the drum 5, flows out through the air outlet pipe 53.

The second embodiment is different from the first embodiment in that:

referring to fig. 6, one of the two halves 41 is provided with a first inner flange 42 and the other with a second inner flange 43. The first and second

inner flanges

42 and 43 are sealingly hooked together. The two halves 41 are joined together. The heat absorbing section 61 is provided with a rigid connection plate 66 and a resilient connection plate 67. The rigid connecting plate 66 is in sealing engagement with the first flange 42. The elastic connecting plate 67 is in sealing and clamping connection with the second inward flange 43. The heat absorbing section 61 is suspended within the housing 4 by being forced through a rigid connection plate 66. The elastic force generated by the elastic connecting plate 67 at 20 c causes the first turned-up edge 42 and the second turned-up edge 43 to have a tendency to move apart and abut against each other. The first flange 42, the second flange 43, the rigid web 66 and the resilient web 67 form a sealed chamber 68 therebetween.

In the use process, when the temperature is high, the air pressure in the sealing ring 9 rises, the air pressure rises to enable the elastic connecting plate 67 to generate elastic force for bouncing, and the elastic force is increased to enable the force for separating the first inward flanging 42 and the second inward flanging 43 to be increased, so that the sealing effect is increased accordingly.

The third embodiment is different from the second embodiment in that:

referring to fig. 7, the outer surface of the drum 5 is provided with a plurality of shock-absorbing structures 3. The damping structures 3 are distributed circumferentially along the drum 5.

Referring to fig. 8, the damping structure 3 includes a lock nut 35, an adjusting nut 34, a core housing 33, a belleville spring 32 with a small end facing the core housing, and a mounting plate 31 which are abutted together in the radial direction of the drum. The mounting plate 31 is fixedly connected with an adjusting screw 36. The adjusting screw 36 passes through the belleville spring 32 and the core sleeve 33 and is screwed with the adjusting nut 34 and the locking nut 35. A rubber bush 37 is provided in the core housing 33. The core sleeve 33 is externally connected with a rubber ring 38. The outer peripheral surface of the core housing 33 is provided with a plurality of core housing portion connecting rings 331 which project into the rubber ring 38. The rubber ring 38 is provided with a frustum-shaped counter bore 381 that presses against the belleville spring 32. The rubber ring 38 is externally connected with a mass ring 39. The mass ring 39 is made of steel. The inner peripheral surface of the mass ring 39 is provided with a plurality of mass ring portion connecting rings 391 which project into the rubber ring 38. The shock absorbing structure is connected to the drum by welding the mounting plate 31 into the connecting rod.

Claims

1. A tobacco leaf fixation machine comprises a frame, a shell is arranged on the frame, a roller is arranged in the shell, a heating mechanism for heating the roller is arranged between the shell and the roller, the tobacco leaf fixation machine is characterized by further comprising an air pipe which is arranged between the roller and the shell and is heated by the heating mechanism, the air pipe is provided with an inlet end and an outlet end, the inlet end is connected with an air blower and the outlet end and is communicated with the inner space of the roller, the air blower comprises an air blower shell, the air blower shell is provided with a handle rod, a sleeve pipe is sleeved outside the handle rod in an elastic manner, an elastic force adjusting mechanism for adjusting the elastic force between the sleeve pipe and the handle rod is arranged between the handle rod and the sleeve pipe, the elastic force adjusting mechanism comprises a base pipe which is sleeved outside the handle rod and is penetrated in the sleeve pipe and a clamping layer which is surrounded outside the base pipe, and the clamping layer is composed of a plurality of friction strips which are distributed along the circumferential direction of the base pipe, the friction strip is provided with a plurality of slide bars extending along the radial direction of the base pipe, the slide bars are slidably arranged on the base pipe in a penetrating way, the inner ends of the slide bars are provided with third springs for driving the slide bars to move outwards and further driving the friction strip to abut against the sleeve, the elasticity adjusting mechanism is further provided with a pretightening force adjusting structure for adjusting the pretightening force of the third springs, the shell is formed by two halves distributed along the radial direction of the roller in a surrounding way, the joint of the two halves forms two boundary lines, the air pipe is provided with two sections of heat absorbing sections which extend along the extending direction of the two halves in a one-to-one correspondence way and prevent heat from leaking through the boundary line of the two halves, one of the two halves is provided with a first inner flanging, the other half is provided with a second inner flanging, the first inner flanging and the second inner flanging are connected together in a sealing and hooking way, and the two halves, the rigid connecting plate and the elastic connecting plate are connected with the two half parts in a one-to-one correspondence mode, the first inner flanging and the second inner flanging are connected together in a butt joint mode under the bouncing action of the elastic connecting plate, a sealing cavity is formed among the first inner flanging, the second inner flanging, the rigid connecting plate and the elastic connecting plate, an annular guide rail extending along the circumferential direction of the roller is arranged on the outer circumferential surface of the roller, the rack is provided with a guide wheel, limiting grooves extending along the circumferential direction of the guide wheel are formed in the circumferential surface of the guide wheel, and the limiting grooves are sleeved on the guide rail.

2. The machine of claim 1, wherein one end of the two sections of heat absorbing sections are connected together by a connecting section extending along the circumference of the drum, the other end of the two sections of heat absorbing sections are located at the same end of the drum, and the other ends of the two sections of heat absorbing sections respectively constitute the inlet end and the outlet end.

3. The machine of claim 2, wherein a feed inlet is provided at one end of the drum, and the outlet end is in communication with the interior space of the drum via the feed inlet.

4. The machine of claim 1, 2 or 3, wherein the outlet end is connected to one end of the drum, and the other end of the drum is provided with an exhaust pipe.

5. The tobacco leaf fixation machine according to claim 1, 2 or 3, wherein the roller is provided with at least two shock absorption structures distributed along the circumferential direction of the roller, each shock absorption structure comprises an adjusting nut, a core sleeve, a belleville spring with a small end facing the core sleeve and an installation plate, the adjusting nuts are sequentially abutted together along the radial direction of the roller, the core sleeve, the belleville spring with a small end facing the core sleeve and the installation plate are fixedly connected with adjusting screws, the adjusting screws penetrate through the belleville springs and the core sleeve and are in threaded connection with the adjusting nuts, a rubber ring is connected outside the core sleeve, a mass ring is connected outside the rubber ring, and the rubber ring is provided with a frustum-shaped counter bore for pressing the belleville springs.

6. The machine of claim 5, wherein the core sleeve has a plurality of core sleeve connection rings extending into the rubber ring on the outer circumferential surface thereof, and the mass ring has a plurality of mass ring connection rings extending into the rubber ring on the inner circumferential surface thereof.