Tea baking device

Abstract

The utility model relates to a tea leaf baking device. The tea leaf baking device comprises a baking oven; the driving assembly comprises a motor and two groups of turntables; the placing frame is arranged in the baking oven and is positioned between the two groups of rotating discs; the limiting assembly comprises two sets of positioning assemblies, the two sets of positioning assemblies are symmetrically arranged at the upper end and the lower end of the containing frame, each positioning assembly comprises a plurality of limiting parts and a plurality of limiting matching parts, the limiting parts are arranged on the rotating disc, the limiting matching parts are arranged on the containing frame, and when the limiting matching parts are matched with the limiting parts, the limiting matching parts are matched with the limiting parts. The movement of the placing frame is limited; according to the tea leaf storage rack, the storage rack can be fixed on the two groups of rotary tables or detached from the rotary tables through the matching and limiting effects of the limiting matching pieces and the limiting pieces, so that the whole storage rack can be directly moved, all tea leaves are transferred, workers do not need to take and place a large number of net plates one by one, and the work efficiency is improved. A large amount of time and manpower can be saved, the tea processing efficiency is improved, and practicability is high.

Description

Technical Field

[0001] The present application relates to the technical field of tea production, and in particular to a tea baking device. Background Art

[0002] At present, the production of tea requires multiple processes, among which baking is often the last process in the tea making process. Its purpose is to evaporate the excess water in the tea leaves, promote the heating and aroma-forming effects of the leaf contents, enhance and fix the quality, and facilitate storage.

[0003] In the related art, tea leaves are generally baked in a baking oven. When in use, a mesh plate covered with tea leaves is placed on a rotating bracket, and then the rotating bracket is rotated to evenly bake and heat the tea leaves on the mesh plate.

[0004] However, in the actual operation process, during the baking period, the tea leaves need to be taken out of the baking box for cooling, and after cooling, the tea leaves need to be put into the baking box for re-baking. In this way, the staff need to take out and put in the net plates containing the tea leaves one by one in the baking box. Since the manufacturers generally place multiple net plates in the baking box to speed up the baking efficiency of the tea leaves, the staff will waste a lot of time and manpower when taking and putting in more net plates, which will affect the processing efficiency of the tea leaves and is very inconvenient.

[0005] In view of the above problems, a tea baking device is now designed. Utility Model Content

[0006] The embodiment of the present application provides a tea baking device to solve the problem in the related art that during tea baking, workers need to take out and put in net disks one by one from a baking box, which not only wastes a lot of time and manpower, but also affects the tea processing efficiency.

[0007] In a first aspect, a tea leaf roasting device is provided, comprising:

[0008] Baking oven;

[0009] A driving assembly, comprising a motor and two sets of turntables, the two sets of turntables are rotatably arranged in the baking box, the two sets of turntables are symmetrically distributed up and down, and the motor is arranged on the baking box and connected to the turntable located above;

[0010] A placing rack is provided in the baking box and is located between the two sets of turntables;

[0011] The limit assembly comprises two groups of positioning assemblies, and the two groups of positioning assemblies are symmetrically arranged at the upper and lower ends of the placement rack. The positioning assembly comprises a plurality of limit members and a plurality of limit matching members, and the limit members correspond to the limit matching members one by one. The limit members are arranged on the turntable, and the limit matching members are arranged on the placement rack. When the limit matching members cooperate with the limit members, the movement of the placement rack is limited.

[0012] In some embodiments, the position-limiting member includes a fixed block, a slot and a plurality of positioning holes, the fixed block is arranged on the turntable, the slot is arranged on a side of the fixed block close to the placement rack, and the plurality of positioning holes are arranged in the slot;

[0013] The limiting matching part includes a fixed plate, a transmission assembly and a plurality of positioning columns. The fixed plate is arranged on the placement frame, the fixed plate cooperates with the card slot, the plurality of positioning columns are slidably arranged in the fixed plate, the plurality of positioning columns correspond to a plurality of positioning holes, the positioning columns cooperate with the positioning holes, the transmission assembly is arranged in the fixed plate and connected to the plurality of positioning columns to drive the positioning columns to approach or move away from the positioning holes.

[0014] In some embodiments, the transmission assembly includes a pull rod, a slider, a first spring and a plurality of pushers, the plurality of pushers correspond to a plurality of positioning posts one by one, the pushers include a guide block, a through slot, a guide slot and a guide post, the guide block is slidably arranged in the fixed plate, the guide block is arranged on a side of the positioning post away from the positioning hole, the through slot is arranged on the guide block, the guide slot is arranged on the guide block, the guide slot is arranged obliquely, and the guide post is arranged in the guide slot and cooperates with the guide slot;

[0015] The pull rod is slidably arranged in the fixed plate, the pull rod passes through a plurality of through slots and is connected to a plurality of guide posts, the slider is slidably arranged in the fixed plate, the slider is connected to the pull rod, the first spring is sleeved on the pull rod, the first spring is arranged in the fixed plate, and the two ends of the first spring are respectively connected to the fixed plate and the slider;

[0016] The limiting assembly also includes a connecting frame and a handle. The connecting frame is connected to a plurality of pull rods. The connecting frame is slidably arranged on the placement frame, and the handle is arranged on the connecting frame.

[0017] In some embodiments, the limiting assembly further includes a plurality of limiting columns, and the plurality of limiting columns are all disposed on the placement frame, and the limiting columns penetrate the connecting frame and are slidably connected thereto.

[0018] In some embodiments, the limiting member further includes a second spring, the second spring is disposed in the slot, and the second spring corresponds to the fixing plate.

[0019] In some embodiments, a sleeve is sleeved on the guide post, the sleeve is rotatably connected to the guide post, and the sleeve cooperates with the guide groove.

[0020] In some embodiments, one end of the positioning post away from the guide block is rounded.

[0021] In some embodiments, a bevel is provided at one end of the slot, and the bevel is trumpet-shaped.

[0022] In some embodiments, a universal wheel is provided at the lower end of the placement rack.

[0023] The embodiment of the present application provides a tea baking device, which can fix the placement rack on the two sets of turntables or remove the placement rack from between the turntables through the cooperation and limiting action of the limiting fitting parts and the limiting parts, so that the entire placement rack can be directly moved to transfer all the tea leaves. In this way, there is no need for staff to take and place a large number of net plates one by one, which can save a lot of time and manpower, thereby speeding up the processing efficiency of the tea leaves, being easy to use and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 A schematic diagram of a three-dimensional structure provided in an embodiment of the present application;

[0026] Figure 2 A schematic diagram of a cross-sectional structure provided in an embodiment of the present application;

[0027] Figure 3 A schematic diagram of a three-dimensional structure provided in an embodiment of the present application;

[0028] Figure 4 A schematic diagram of a cross-sectional structure provided in an embodiment of the present application;

[0029] Figure 5 Provided in the embodiments of this application Figure 4 A schematic diagram of the enlarged structure at A in the middle;

[0030] Figure 6 A schematic diagram of a three-dimensional explosion structure provided in an embodiment of the present application;

[0031] Figure 7 A schematic diagram of the three-dimensional structure of the position limiting member provided in the embodiment of the present application;

[0032] Figure 8A schematic diagram of the three-dimensional structure of the placement rack provided in an embodiment of the present application;

[0033] Fig. 9 A schematic diagram of the three-dimensional structure of the position-limiting matching member provided in an embodiment of the present application;

[0034] Fig.10 A schematic diagram of the three-dimensional exploded structure of the transmission assembly provided in an embodiment of the present application.

[0035] In the figure: 1. baking box; 2. driving assembly; 21. motor; 22. turntable; 3. placing rack; 4. limiting assembly; 41. positioning assembly; 411. limiting piece; 4111. fixing block; 4112. slot; 4113. positioning hole; 4114. second spring; 4115. groove; 412. limiting fitting piece; 4121. fixing plate; 4122. transmission assembly; 41221. pull rod; 41222. slider; 41223. first spring; 41224. pushing piece; 412241. guide block; 412242. through slot; 412243. guide slot; 412244. guide column; 412245. sleeve; 4123. positioning column; 42. connecting frame; 43. handle; 44. limiting column; 5. universal wheel. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0037] The embodiment of the present application provides a tea baking device, which can solve the problem in the related art that during the tea baking period, the staff needs to take out and put in the net disk one by one from the baking box, which not only wastes a lot of time and manpower, but also affects the tea processing efficiency.

[0038] See also Figure 1-Figure 3 A tea baking device, comprising: a baking box 1, a driving assembly 2, a placing rack 3 and a limiting assembly 4, wherein the driving assembly 2 comprises a motor 21 and two sets of rotating disks 22, the two sets of rotating disks 22 are both rotatably arranged in the baking box 1, and the two sets of rotating disks 22 are symmetrically distributed up and down, and the motor 21 is arranged on the baking box 1 and connected to the rotating disk 22 located above;

[0039] By arranging the motor 21 at the upper end of the baking box 1, the position of the turntable 22 at the bottom can be lowered, so as to avoid arranging the motor 21 at the lower end of the baking box 1, which would cause the lower end of the baking box 1 to occupy a large space and increase the overall height of the baking box 1. In this way, the height of the bottom surface of the entire baking box 1 can be lowered, so as to facilitate the operation of the staff.

[0040] The placement rack 3 is arranged in the baking box 1 and between the two groups of turntables 22. The limiting assembly 4 includes two groups of positioning assemblies 41. The two groups of positioning assemblies 41 are symmetrically arranged at the upper and lower ends of the placement rack 3. The positioning assembly 41 includes a plurality of limiting members 411 and a plurality of limiting matching members 412. The limiting members 411 correspond to the limiting matching members 412 one by one. The limiting members 411 are arranged on the turntable 22, and the limiting matching members 412 are arranged on the placement rack 3. When the limiting matching members 412 match the limiting members 411, the movement of the placement rack 3 is limited.

[0041] In this way, during the implementation process, the staff can place the net plate containing tea leaves on the placement rack 3, and then make the limiting matching piece 412 cooperate with the limiting piece 411 to connect and fix the placement rack 3 with the two sets of rotating disks 22. In this way, when the rotating disk 22 is driven to rotate by the motor 21, the rotating disk 22 will drive the placement rack 3 to rotate, so that the tea leaves are evenly baked and heated;

[0042] When the tea leaves need to be taken out and cooled during the baking process, the limiting fitting 412 can be made not to cooperate with the limiting fitting 411, so that the placement rack 3 and the two sets of rotating disks 22 are separated, and then the staff can remove the entire placement rack 3 from the baking box 1, and lift the entire placement rack 3 together with the multiple net plates out of the baking box 1, and transfer them to the cooling area, so that the tea leaves can be directly cooled, so that the staff does not need to take the net plates out of the baking box 1 one by one, and there is no need to prepare another bracket specifically for placing the net plates for cooling the tea leaves;

[0043] When the tea leaves are cooled and need to be re-baked, the staff can move the entire placement rack 3 into the baking box 1, and then make the limiting fitting 412 cooperate with the limiting fitting 411 to allow the placement rack 3 to rotate normally, so that the tea leaves can continue to be evenly baked in the baking box 1;

[0044] In this way, when the tea leaves need to be taken out and cooled during the tea roasting process, the staff can directly move the placement rack 3 to transfer all the tea leaves, so that the staff does not need to take and place a large number of net disks one by one, which can save a lot of time and manpower;

[0045] At the same time, after one batch of tea leaves is baked, when another batch of tea leaves needs to be baked, the staff can place the net plate containing the tea leaves on another idle placement rack 3 in advance, so that when the next batch of tea leaves needs to be baked, the staff can directly take out the placement rack 3 containing the baked tea leaves from the baking box 1, and put the placement rack 3 containing the tea leaves to be baked into the baking box 1;

[0046] In this way, the tea leaves can be replaced quickly, and the problem that after the tea leaves are baked, the staff needs to take out the net disks from the baking box 1 one by one, and then put the net disks into the baking box 1 one by one, during which the baking box 1 can only stop running and cannot bake the tea leaves can be avoided. In this way, the processing efficiency of the tea leaves can be further accelerated. At the same time, when in use, the entire placement rack 3 can be removed from the baking box 1 to facilitate the staff to clean the interior of the baking box 1, which is easy to use and has strong practicality.

[0047] See also Figure 4-Figure 8 In this embodiment, the position-limiting member 411 includes a fixed block 4111, a slot 4112 and a plurality of positioning holes 4113. The fixed block 4111 is disposed on the turntable 22. The slot 4112 is disposed on a side of the fixed block 4111 close to the placement rack 3. The plurality of positioning holes 4113 are disposed in the slot 4112.

[0048] The position-limiting fitting 412 includes a fixing plate 4121, a transmission assembly 4122 and a plurality of positioning posts 4123. The fixing plate 4121 is arranged on the placement frame 3. The fixing plate 4121 cooperates with the card slot 4112. The plurality of positioning posts 4123 are slidably arranged in the fixing plate 4121. The plurality of positioning posts 4123 correspond to the plurality of positioning holes 4113. The positioning posts 4123 cooperate with the positioning holes 4113. The transmission assembly 4122 is arranged in the fixing plate 4121 and connected with the plurality of positioning posts 4123 to drive the positioning posts 4123 to approach or move away from the positioning holes 4113.

[0049] In this way, when the placement rack 3 needs to be loaded into the baking box 1, the staff can put the placement rack 3 into the baking box 1, and align the fixing plate 4121 on the placement rack 3 with the card slot 4112 on the turntable 22, and then the staff can push the placement rack 3 to make the fixing plate 4121 match with the card slot 4112;

[0050] Then, the transmission assembly 4122 drives the positioning column 4123 to approach the positioning hole 4113, so that the positioning column 4123 is inserted into the positioning hole 4113, so that the fixing plate 4121 can be fixed in the slot 4112 through the cooperation and limiting effect of the positioning column 4123 and the positioning hole 4113, so that the placement rack 3 and the two sets of rotating disks 22 are fixed together, so that when the motor 21 drives the rotating disk 22, the placement rack 3 can be driven to rotate through the rotating disk 22, so that the tea leaves can be rotated and evenly roasted and heated;

[0051] When it is necessary to take the placement rack 3 out of the baking box 1, the transmission assembly 4122 can drive the positioning column 4123 away from the positioning hole 4113, so that the positioning column 4123 is pulled out of the positioning hole 4113, and then the staff can move the placement rack 3 and pull the fixing plate 4121 out of the slot 4112, so as to separate the placement rack 3 from the two sets of rotating disks 22, and then the staff can take the placement rack 3 out of the baking box 1, so as to facilitate the batch operation of tea leaves;

[0052] This not only facilitates the disassembly and assembly of the placement rack 3, but also makes the placement rack 3 more stable when rotating and will not fall off the turntable 22, making it easy to use and highly practical.

[0053] See also Figure 9-10 The transmission assembly 4122 includes a pull rod 41221, a slider 41222, a first spring 41223 and a plurality of pushers 41224, and the plurality of pushers 41224 correspond to the plurality of positioning posts 4123 one by one. The pushers 41224 include a guide block 412241, a through slot 412242, a guide slot 412243 and a guide post 412244. The guide block 412241 is slidably arranged in the fixing plate 4121, the guide block 412241 is arranged on a side of the positioning post 4123 away from the positioning hole 4113, the through slot 412242 is arranged on the guide block 412241, the guide slot 412243 is arranged on the guide block 412241, the guide slot 412243 is arranged in an inclined manner, and the guide post 412244 is arranged in the guide slot 412243 and cooperates with it;

[0054] The pull rod 41221 is slidably disposed in the fixed plate 4121, the pull rod 41221 passes through a plurality of through slots 412242 and is connected to a plurality of guide posts 412244, the slider 41222 is slidably disposed in the fixed plate 4121, the slider 41222 is connected to the pull rod 41221, the first spring 41223 is sleeved on the pull rod 41221, the first spring 41223 is disposed in the fixed plate 4121, and the two ends of the first spring 41223 are respectively connected to the fixed plate 4121 and the slider 41222;

[0055] The limiting assembly 4 further includes a connecting frame 42 and a handle 43. The connecting frame 42 is connected to a plurality of pull rods 41221. The connecting frame 42 is slidably disposed on the placement frame 3. The handle 43 is disposed on the connecting frame 42.

[0056] In this way, when the placement rack 3 needs to be removed from the baking box 1, the staff can pull the connecting frame 42 through the handle 43, and the connecting frame 42 drives the plurality of pull rods 41221 to move, so that the pull rods 41221 pull the plurality of guide posts 412244 to move, so that when the guide posts 412244 move, they will push the guide blocks 412241 away from the turntable 22 through the cooperation transmission with the guide grooves 412243, so that the positioning posts 4123 are pulled out of the positioning holes 4113 through the guide blocks 412241, so that the positioning posts 4123 are not matched with the positioning holes 4113, and the staff can remove the placement rack 3 from the turntable 22;

[0057] When the placement rack 3 needs to be installed in the baking box 1 again, the staff can put the placement rack 3 into the baking box 1, and then align the fixing plate 4121 with the slot 4112, and then pull the handle 43 to retract the positioning column 4123 into the fixing plate 4121, and at the same time, the pull rod 41221 will drive the slider 41222 to move when moving, so that the slider 41222 will compress the first spring 41223 when moving;

[0058] When the fixing plate 4121 is fully matched with the card slot 4112, the staff can release the handle 43, so that the pressure on the first spring 41223 disappears and it will reset and pop out, thereby pushing the slider 41222 to reset, so that the slider 41222 will drive the pull rod 41221 to reset, and at the same time, the pull rod 41221 will drive the guide column 412244 to move during the movement, thereby pushing the guide block 412241 to move through the cooperation of the guide column 412244 and the guide groove 412243, so that the positioning column 4123 can be pushed by the guide block 412241 to retract into the positioning hole 4113 and cooperate with it, thereby fixing the placement rack 3 and the turntable 22 together, which facilitates the disassembly and installation of the placement rack 3 and facilitates use.

[0059] Specifically, in this embodiment, the limiting assembly 4 further includes a plurality of limiting columns 44, and the plurality of limiting columns 44 are all arranged on the placement frame 3, and the limiting columns 44 penetrate the connecting frame 42 and are slidably connected thereto;

[0060] In this way, through the limiting and guiding effect of the sliding connection between multiple limiting columns 44 and the connecting frame 42, the connecting frame 42 can only move closer to or farther away from the placement frame 3, and the connecting frame 42 can only move in a straight line. In this way, the connecting frame 42 can drive multiple pull rods 41221 to move in a straight line, thereby avoiding the connection frame 42 from being offset during the movement, affecting the disassembly, assembly and fixation of the placement frame 3, and facilitating use.

[0061] More specifically, the limiting member 411 further includes a second spring 4114, the second spring 4114 is disposed in the slot 4112, and the second spring 4114 corresponds to the fixing plate 4121;

[0062] In this way, when the staff installs the placement rack 3 into the baking box 1, the staff will put the fixing plate 4121 into the slot 4112, and the fixing plate 4121 will squeeze the second spring 4114. When the fixing plate 4121 is completely matched with the slot 4112, the positioning column 4123 is inserted into the positioning hole 4113, which limits the movement of the fixing plate 4121, so that the second spring 4114 is always in a compressed state.

[0063] When the staff needs to remove the placement rack 3 and pulls the handle 43 to pull the positioning column 4123 out of the positioning hole 4113, the limit on the fixing plate 4121 disappears, and the second spring 4114 will be reset by the elastic force, pushing the fixing plate 4121 to move out of the slot 4112, so that the staff only needs to pull the handle 43 to disengage the positioning column 4123 from the positioning hole 4113, and the placement rack 3 will automatically separate from the turntable 22. Then the staff can take the placement rack 3 out of the baking box 1, and the staff does not need to pull the handle 43 all the time, which is convenient for use.

[0064] Furthermore, in this embodiment, a sleeve 412245 is sleeved on the guide post 412244, the sleeve 412245 is rotatably connected to the guide post 412244, and the sleeve 412245 is matched with the guide groove 412243;

[0065] In this way, when the guide column 412244 is matched with the guide groove 412243, the sleeve 412245 will be in rolling contact with the guide groove 412243, thereby preventing the guide column 412244 from rubbing against the guide groove 412243 all the time. This not only prevents the guide column 412244 and the guide groove 412243 from being worn and reducing their service life, but also allows the sleeve 412245 to match the guide groove 412243 more smoothly, making it more convenient and labor-saving for the staff to pull the handle 43, and is highly practical.

[0066] Furthermore, one end of the positioning column 4123 away from the guide block 412241 is rounded;

[0067] In this way, when the positioning column 4123 is inserted into the positioning hole 4113, it does not need to be fully aligned, which can play a certain guiding role for the positioning column 4123 and facilitate use.

[0068] One end of the slot 4112 is provided with a groove 4115, and the groove 4115 is trumpet-shaped;

[0069] Thus, by providing the trumpet-shaped groove 4115, it is not only easier for the staff to insert the fixing plate 4121 into the slot 4112, but also plays a certain guiding role for the fixing plate 4121;

[0070] At the same time, when the fixing plate 4121 is inserted into the slot 4112, the positioning column 4123 will be moved, and as the height of the groove 4115 continues to rise, the groove 4115 will squeeze the positioning column 4123, so that the positioning column 4123 is away from the turntable 22, so that when the fixing plate 4121 is matched with the slot 4112, the positioning column 4123 is automatically inserted into the positioning hole 4113. In this way, when the staff installs the placement rack 3, there is no need to pull the handle 43 to retract the positioning column 4123 into the fixing plate 4121, which is easy to use and has strong practicality.

[0071] Preferably, a universal wheel 5 is provided at the lower end of the placement rack 3;

[0072] In this way, when tea leaves need to be transferred in batches, the rack 3 can be directly pushed to move, which enhances the flexibility of the rack 3. At the same time, during the process of disassembling and assembling the rack 3 in the baking box 1, the staff can also push and pull the rack 3 more conveniently and labor-savingly, which is highly practical.

[0073] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0074] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0075] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A tea roasting device, characterized in that: It includes: Baking oven (1); A driving assembly (2), comprising a motor (21) and two groups of turntables (22), the two groups of turntables (22) being rotatably arranged in the baking box (1), the two groups of turntables (22) being symmetrically distributed up and down, the motor (21) being arranged on the baking box (1) and connected to the turntable (22) located at the top; A placement rack (3) is arranged in the baking box (1) and between the two sets of turntables (22); A limit assembly (4), comprising two groups of positioning assemblies (41), wherein the two groups of positioning assemblies (41) are symmetrically arranged at the upper and lower ends of the placement rack (3), wherein the positioning assembly (41) comprises a plurality of limit members (411) and a plurality of limit matching members (412), wherein the limit members (411) correspond to the limit matching members (412) one by one, wherein the limit members (411) are arranged on the rotating disk (22), and the limit matching members (412) are arranged on the placement rack (3), and when the limit matching members (412) match with the limit members (411), the movement of the placement rack (3) is limited.

2. A tea roasting device according to claim 1, characterized in that: The limiting member (411) comprises a fixing block (4111), a slot (4112) and a plurality of positioning holes (4113); the fixing block (4111) is arranged on the rotating disk (22); the slot (4112) is arranged on a side of the fixing block (4111) close to the placement rack (3); and the plurality of positioning holes (4113) are arranged in the slot (4112); The limiting fitting (412) comprises a fixing plate (4121), a transmission assembly (4122) and a plurality of positioning posts (4123); the fixing plate (4121) is arranged on the placement frame (3); the fixing plate (4121) cooperates with the card slot (4112); a plurality of positioning posts (4123) are slidably arranged in the fixing plate (4121); a plurality of positioning posts (4123) correspond to a plurality of positioning holes (4113); the positioning posts (4123) cooperate with the positioning holes (4113); the transmission assembly (4122) is arranged in the fixing plate (4121) and is connected to the plurality of positioning posts (4123) to drive the positioning posts (4123) to move closer to or away from the positioning holes (4113).

3. A tea roasting device according to claim 2, characterized in that: The transmission assembly (4122) includes a pull rod (41221), a slider (41222), a first spring (41223) and a plurality of pushers (41224), wherein the plurality of pushers (41224) correspond one to one with the plurality of positioning posts (4123), and the pushers (41224) include a guide block (412241), a through slot (412242), a guide slot (412243) and a guide post (412244), wherein the guide block (412241 ) is slidably arranged in the fixing plate (4121), the guide block (412241) is arranged on the side of the positioning column (4123) away from the positioning hole (4113), the through groove (412242) is arranged on the guide block (412241), the guide groove (412243) is arranged on the guide block (412241), the guide groove (412243) is inclined, and the guide column (412244) is arranged in the guide groove (412243) and cooperates therewith; The pull rod (41221) is slidably arranged in the fixed plate (4121), the pull rod (41221) passes through a plurality of through slots (412242) and is connected to a plurality of guide columns (412244), the slider (41222) is slidably arranged in the fixed plate (4121), the slider (41222) is connected to the pull rod (41221), the first spring (41223) is sleeved on the pull rod (41221), the first spring (41223) is arranged in the fixed plate (4121), and the two ends of the first spring (41223) are respectively connected to the fixed plate (4121) and the slider (41222); The limiting assembly (4) also includes a connecting frame (42) and a handle (43), wherein the connecting frame (42) is connected to a plurality of pull rods (41221), the connecting frame (42) is slidably arranged on the placement frame (3), and the handle (43) is arranged on the connecting frame (42).

4. A tea roasting device according to claim 3, characterized in that: The limiting assembly (4) further comprises a plurality of limiting columns (44), wherein the plurality of limiting columns (44) are all arranged on the placement frame (3), and the limiting columns (44) penetrate the connecting frame (42) and are slidably connected thereto.

5. A tea roasting device according to claim 3, characterized in that: The limiting member (411) further comprises a second spring (4114), wherein the second spring (4114) is arranged in the clamping groove (4112), and the second spring (4114) corresponds to the fixing plate (4121).

6. A tea roasting device according to claim 3, characterized in that: The guide column (412244) is sleeved with a sleeve (412245), the sleeve (412245) is rotatably connected to the guide column (412244), and the sleeve (412245) is matched with the guide groove (412243).

7. A tea roasting device according to claim 3, characterized in that: The end of the positioning column (4123) away from the guide block (412241) is rounded.

8. A tea roasting device according to claim 3, characterized in that: One end of the slot (4112) is provided with a groove (4115), and the groove (4115) is trumpet-shaped.

9. A tea roasting device according to claim 1, characterized in that: The lower end of the placement rack (3) is provided with a universal wheel (5).

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