High-temperature roasting device and process for graphite sagger preparation

Abstract

The invention relates to the technical field of graphite sagger roasting equipment, and provides a graphite sagger preparation high-temperature roasting device and process, the graphite sagger preparation high-temperature roasting device comprises a roasting kiln and a cart pulled by a slide rail in the roasting kiln; according to a main body of the trolley, a sliding seat is connected with a sliding rail, side seats are arranged above the sliding seat in a layered mode, a supporting plate is fixedly connected between the left side seat and the right side seat which are adjacent, the front end and the rear end of the supporting plate protrude to form vertical rods, plate bodies of the vertical rods are connected to the upper portions of the front end and the rear end of the sliding seat in a sliding mode, and clamping parts are transversely arranged above the side seats. The multiple faces of the raw material saggar are fixed in a multi-direction clamping mode, so that the heated shielding area of the clamping face to the raw material saggar is reduced, meanwhile, the dynamic clamping component is driven by the automatic descending mechanism to abut against the outer side face of the saggar in real time through shrinkage deformation of the raw material saggar, the clamping part is combined with the open type trolley, and the raw material saggar can be clamped more stably. The heating area can be increased when the raw material saggers are roasted, and it is ensured that heat circulates between the adjacent saggers, so that uneven heating caused by obstruction is prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of graphite sagger roasting equipment, and more specifically, to a high-temperature roasting device and process for preparing a graphite sagger. Background Art

[0002] Graphite sagger is a container made of graphite material, used to hold and protect processed materials in high-temperature industrial furnaces (such as kilns and sintering furnaces); In the production process of graphite sagger, roasting is a crucial heat treatment process. The formed green bodies (raw material saggers) are stacked and loaded on a cart and then sent to the roasting equipment for heat treatment at high temperature, causing physical and chemical changes in their internal structure, thereby obtaining the necessary mechanical strength, electrical and thermal conductivity, chemical stability and physical properties required for final use; At present, the trolley for loading raw meal saggers is a box-type structure. Although ventilation holes are opened on the box wall, there are a large number of raw meal saggers. Due to the stacking loading structure, adjacent raw meal saggers form mutual obstruction, which further limits the function of the ventilation holes. As a result, raw meal saggers at different positions are heated unevenly during roasting, affecting the quality of the finished product. In order to solve the above problems, the present application proposes a high-temperature roasting device and process for preparing a graphite sagger that is open for loading raw meal and forming dynamic clamping. Summary of the Invention

[0003] The object of the present invention is to provide a high-temperature roasting device and process for preparing a graphite sagger. By using an open cart with upper and lower layers and replacing the traditional planar clamping with multi-directional linear clamping, the exposed area of the raw material sagger is increased, thereby achieving a roasting effect in which all surfaces of the raw material sagger are heated evenly.

[0004] To solve the above technical problems, the present invention is achieved through the following technical solutions: A high-temperature roasting device for preparing graphite saggers, comprising a roasting kiln and a cart pulled by a slide rail inside the kiln; The main body of the cart is a slide connected to a slide rail, a side seat is layered above the slide, a support plate is fixedly connected between the left and right adjacent side seats, the front and rear ends of the support plate are protruding with a plate body slidably connected to the vertical rods above the front and rear ends of the slide, and a clamping part is arranged horizontally above the side seat. The slide, side seat and support plate are combined to form an open box structure; The main body of the clamping part is a support plate, and a four-way symmetrically distributed right-angle bracket is slidably installed through a sliding groove near the inner ring area of the support plate. The upper end of the right-angle bracket is slidably installed with an upper hook bracket with a self-locking function; A through slide is provided inside the vertical plate of the right-angle frame in a direction perpendicular to the axis of the support plate. A top plate is rotatably mounted on the bottom of the slide, and a dynamically clamped splint is rotatably mounted on the upper end of the top plate close to the support plate.

[0005] The process of preparing a high-temperature roasting device with a graphite sagger includes the following steps: S1. The rotating part drives the worm on the same layer to rotate synchronously, and then the worm drives the transmission sleeve to rotate, so that the arc frame rotates around the axis of the support disk; S2. The arc-shaped frame uses an eccentric structure to drag the fixed rod away from the axis of the support plate during rotation, thereby moving the adjacent right-angle frame outward to expand the internal space; S3. Place the raw meal sagger inside the clamping part through an external manipulator, and rotate the rotating part in the opposite direction to drive the adjacent right-angle frame to move inward, thereby clamping the raw meal sagger; S4. By connecting the disbursement plates near the left and right sides at the front and rear ends of the side seats with the vertical rods, the clamping parts loaded with the raw meal saggers are placed on top of the slide in layers, and the positioning sleeves are pressed against the adjacent disbursement plates to control the height interval. Then, the uppermost disbursement plate is tightened and fixed by the spiral sleeve and the spiral connection between the upper end of the vertical rod; S5. Further, the traction mechanism at the bottom of the roasting kiln drives the cart into the roasting area for roasting; S6. During the roasting operation, the contraction of the raw material sagger causes the upper hook to descend under the action of gravity, and then the pressing plate is pressed down to drive the top plate to rotate, so that the clamping plate moves inward to press against the contracted sagger to form a dynamic clamping. At the same time, when the upper hook descends, the lower oblique edge of the clamping block moves down along the clamping slot and pushes the paddle to swing outward, so that the clamping block is locked into the next level of the clamping slot to form a self-locking state. S7. Finally, the side seat is taken out by an external manipulator, turned upside down, and S2 is repeated to complete the unloading.

[0006] Beneficial effects of the present invention: 1. The present invention forms a support structure for the raw meal sagger by means of a clamping part, a support plate and a side seat, and combines the transfer function of a slide seat to form an open body. During the roasting operation, the raw meal saggers at different heights and in the inner and outer circle areas can be heated evenly to ensure the quality of the finished product after roasting.

[0007] 2. The present invention utilizes a four-way symmetrical clamping and fixing method of a right-angle frame, which can expose the surface of the raw meal sagger to avoid blocking the heating surface of the raw meal sagger during roasting. The increase in the heating surface accelerates the heating of the internal structure, thereby achieving the effect of reducing equipment energy consumption and time consumption.

[0008] 3. The present invention utilizes the shrinkage of the raw material sagger during roasting. The upper hook drives the pressure plate to press the top plate downward under the action of gravity, thereby forming a dynamic clamp through the inward movement of the clamping plate when the raw material sagger shrinks, which can avoid shaking and collision damage caused by the enlarged gap between the raw material sagger and the clamp when the cart is moved out. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0010] Figure 1 This is a schematic diagram of the overall appearance structure of the present invention; Figure 2 This is a schematic diagram of the combined structure of the cart assembly of the present invention; Figure 3 This is a schematic diagram of the front structure of the cart of the present invention; Figure 4 This is a schematic diagram of the right side structure of the cart of the present invention; Figure 5 This is a schematic diagram of the structure of the cart of the present invention from a top view; Figure 6 It is a schematic diagram of the combined structure of the clamping portion and the side seat of the present invention; Figure 7 This is a schematic diagram of the bottom structure of the clamping portion of the present invention; Figure 8 This is a schematic diagram of the top view of the clamping portion of the present invention; Figure 9 This is a schematic diagram of the internal connection structure between the upper hook frame and the right-angle frame of the present invention; Figure 10 This is a partial enlarged structural diagram of part A of the present invention; In the accompanying drawings, the components represented by the reference numerals are as follows: In the picture: 1. Roasting kiln; 2. Cart; 21. Sliding seat; 22. Side seat; 23. Clamping part; 211, vertical pole; 212, positioning sleeve; 213, spiral sleeve; 221. Support plate; 222. Handle; 223. Transmission rod; 2231, rotating part; 2232, first bevel gear; 231, support plate; 232, right-angle bracket; 233, upper hook bracket; 234, worm; 2341, second bevel gear; 2311, chute; 2312, fixed shaft; 2313, rotating disk; 2314, transmission sleeve; 2315, curved frame; 2316, connecting rod; 23151, arc groove; 2321, slide; 2322, splint; 2323, telescopic rod; 2324, slot; 2325, fixing rod; 2331, sliding column; 2332, shift plate; 2333, top plate; 2334, pressure plate; 23321, card block. DETAILED DESCRIPTION

[0011] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0012] like Figures 1 to 10 As shown, a high-temperature roasting device for preparing graphite saggers includes a roasting kiln 1 and a trolley 2 pulled by a slide rail inside the kiln, and a transmission chain is inside the upper end of the slide rail; The main body of the trolley 2 is a slide 21, the bottom of which is connected to the transmission chain on the slide rail, and the left and right slides 21 are connected as a whole by a pillar. A side seat 22 is provided above the slide 21, and the raw material sagger is loaded in upper and lower layers. The side seats 22 are symmetrical in the trolley 2. Support plates 221 are fixedly connected between adjacent side seats 22, and are arranged at equal intervals in the front and rear directions. Heat flow channels are formed between adjacent support plates 221. Plate bodies are protruded from the front and rear ends of the support plates 221. The outer end of the plate body is a semicircular structure, and there are holes penetrating the inside, thereby slidingly connecting to the vertical rods 211 above the front and rear ends of the slide 21. Clamping parts 23 are arranged laterally above the side seats 22 for clamping the raw material sagger and arranging them at equal intervals. The main body of the clamping portion 23 is a support disc 231, the lower end of which is fixedly connected to the support plate 221. There are four right-angle frames above the support disc 231, which are distributed in pairs around the axis of the support disc 231, and a block protrudes downward near one end of the axis of the support disc 231. It is slidably mounted on the slide groove 2311 near the inner ring area of the support disc 231. The horizontal plate of the right-angle frame 232 is used to support the raw material sagger, and the vertical plate is used to support the outer side of the raw material sagger. An upper hook frame 233 with a self-locking function is slidably mounted on the upper end of the right-angle frame 232. The upper hook frame 233 extends horizontally toward one side of the support disc 231 with a disbursement plate to support the upper surface of the raw material sagger. A vertical plate 2321 is provided inside the right-angle frame 232, and a penetrating slide 2321 is provided in the horizontal direction. The lower end of the slide 2321 is a penetrating structure, and the upper end is a one-way opening structure. One side of the penetrating opening at the lower end faces the axis of the support disk 231, and the one-way opening at the upper end is opposite to the axis of the support disk 231. A top plate 2333 is rotatably installed at the bottom of the slide 2321, which can be rotated toward one side of the support disk 231. A clamping plate 2322 is rotatably installed on the upper end of the top plate 2333 close to the side of the support disk 231 for clamping the outer surface of the sagger that has shrunk and deformed due to firing.

[0013] like Figure 2 As shown, the outer side of the upper end of the vertical rod 211 is a spiral structure, and a positioning shaft sleeve 212 is provided on the outer side of the vertical rod 211 from the lower right to the upper section, which is located between the disbursement plates at the front and rear ends of the adjacent side seats 22, and is used to control the loading height spacing of the adjacent layers of raw material saggers. A spiral shaft sleeve 213 is installed on the outer side of the upper end of the vertical rod 211, which forms a downward pressure on the disbursement plate of the uppermost layer by screwing it downward, thereby fixing the side seat 22.

[0014] like Figure 2 and Figure 3 As shown, a handle 222 is fixed on the outside of the side seat 22 near the upper end for clamping by an external manipulator, and a transmission rod 223 is rotatably installed on the outside of the side seat 22, which is located between the plates protruding outward at the front and rear ends of the side seat 22, and the front end of the transmission rod 223 is connected to a rotating part 2231 (the rotating part adopts a rotating wheel or other mechanism or method that can drive the transmission rod 223 to rotate along the axis of the body) through the protruding plate at the front end of the slide 21, which is located in front of the protruding plate. First bevel gears 2232 are arranged at equal intervals on the outside of the transmission rod 223, corresponding to the support plate 221.

[0015] like Figures 2 to 5 As shown, a worm 234 is provided at the upper end of the support plate 221, and both ends are rotatably connected to the side seat 22. Second bevel gears 2341 are provided at both ends of the worm 234, which are located on the outer side of the slide 21 and mesh with the first bevel gear 2232, thereby enabling the worm 234 in the same layer to be controlled to rotate synchronously at the same time through the rotating part 2231.

[0016] like Figures 6 to 8 As shown, a fixed rod 2325 extends from under the block protruding downward at the end of the right-angle frame 232 and extends to the bottom of the support plate 231. A telescopic rod 2323 is fixed to the inner wall of the slide groove 2311 near one end of the axis of the support plate 231, and its movable end is fixedly connected to the block protruding at the end of the right-angle frame 232, so as to keep the moving path of the right-angle frame 232 stable and prevent deflection.

[0017] like Figures 6 to 8As shown, the support disk 231 is fixedly connected to the upper end of the support plate 221 through a fixed shaft 2312 at the center of the lower end. A rotating disk 2313 is rotatably installed on the outside of the fixed shaft 2312, and the upper end is close to the support disk 231 and protrudes outward. A transmission shaft sleeve 2314 extends downward from the rotating disk surface 2313, and a worm gear structure is adopted on the outer side to engage with the worm 234, so that the rotating disk 2313 is driven to rotate when the worm 234 rotates.

[0018] like Figure 8 As shown, the outer side of the rotating disk 2313 is circumferentially and evenly spaced with the same number of arc frames 2315 as the right-angle frames 232, and the two are fixedly connected by a connecting rod 2316. One end of the arc frame 2315 is a semicircular structure, and the other end is a flat structure. The axis of one end of the semicircular structure is located on the side of the slide groove 2311 away from the axis end of the support disk 231, forming an eccentric structure, and the flat part of the other end is adjacent to the axis of the support disk 231 when the adjacent right-angle frames 232 are in a state of approaching each other. An arc groove 23151 is opened inside the arc frame 2315 and is slidably connected to the fixed rod 2325, and the open end of the arc groove 23151 is located at the flat end of the arc frame 2315.

[0019] like Figure 9 As shown, the one-way open groove at the upper end of the slide 2321 is used for slidingly installing the slide post 2331. Blocks protrude on both sides of the slide post 2331 and are slidably connected to the vertical grooves on the two side walls of the slide 2321 to prevent the slide post 2331 from falling off directly. A liftable pressure plate 2334 is provided at the lower end of the slide post 2331. The upper end of the pressure plate 2334 is located on the inner side of the slide post 2331. There are threaded holes aligned with each other between the two, and they are arranged at equal intervals up and down and fixed by bolts. The lower end of the pressure plate 2334 is against the outer side surface of the top plate 2333. When the upper hook frame 233 descends, the pressure plate 2334 is driven to press the top plate 2333 downward, thereby driving it to rotate toward the side of the support plate 231.

[0020] like Figure 9 and Figure 10As shown, the upper hook frame 233 is a counterweight mechanism, and a dial plate 2332 is rotatably installed at its lower end, which is located between the slide column 2331 and the inner side wall of the upper end of the slide 2321. The lower end is a movable end that can swing. A clamping block 23321 protrudes from the inner side of the lower end of the dial plate 2332, which has upper and lower oblique edges and is clamped in the inner groove 2324 extending in the direction opposite to the opening of the one-way opening groove at the upper end of the slide 2321. The clamping slots 2324 are arranged at equal intervals above and below, and the clamping block 233 The upper and lower ends of 21 are two oblique side structures with different slopes, and the intersection of the two oblique sides is located near the upper end of the slot 2324. When the raw material sagger is affected by roasting and shrinks and deforms, the upper hook frame 233 automatically descends under the action of gravity, and uses the lower oblique side to press against the guide formed by the edge of the slot 2324 to swing the lever 2332 outward, so that the block 23321 automatically enters the interior of the next slot 2324, thereby forming a self-locking lifting structure. In addition, under the action of external force, the upper bevel can also achieve the same effect as the lower bevel, which is convenient for the upper hook frame 233 to rise and release the clamping of the clamping plate 2322 on the sagger.

[0021] like Figures 1 to 10 As shown, the process of preparing a high-temperature roasting device with a graphite sagger includes the following steps: First, the external manipulator rotates the rotating part 2231, and the first bevel gear 2332 distributed on the outside of the transmission rod 223 is meshed with the second bevel gears 2341 at both ends of the worm 234, driving each worm 234 on the same layer to rotate synchronously. Then, the worm 234 is meshed with the worm teeth on the outside of the transmission sleeve 2314, driving each rotating disk above the same support plate 221 to rotate synchronously, thereby driving the arc frame 2315 to rotate around the axis of the support disk 231; By utilizing the eccentric structure of the arc frame 2315, the fixed rod 2325 is dragged away from the axis of the support plate 231 during rotation, and moved to the end of the slide 2311 away from the support plate 231, thereby moving the adjacent right-angle frame 232 outward, expanding the internal space and facilitating the placement of the raw meal sagger. Furthermore, the raw meal sagger is placed inside the clamping portion 23 by an external manipulator, and the rotating portion 2231 is rotated in the opposite direction to drive the adjacent right-angle frame 232 to move inward, thereby clamping the raw meal sagger. By docking the disbursement plates near the left and right sides at the front and rear ends of the side seats 22 with the vertical rods 211, the clamping parts 23 loaded with the raw meal saggers are placed on the slide 21 in layers, and the positioning sleeves 212 sleeved on the outside of the vertical rods 211 press against the adjacent disbursement plates, thereby controlling the height intervals between adjacent layers. Subsequently, the spiral sleeves 213 are spirally connected to the upper ends of the vertical rods 211, and the continuous screwing generates downward pressure on the uppermost disbursement plate, thereby pressing and fixing it, thereby fixing the clamped raw meal saggers; Furthermore, the transmission chain type traction mechanism on the bottom slide rail of the roasting kiln 1 drives the cart 2 into the roasting area for roasting; During the roasting operation, the shrinkage and deformation of the raw material sagger will form a gap between the upper surface and the upper hook 233. The upper hook 233 descends under the action of gravity, and then presses the pressing plate 2334 downward to drive the top plate 2333 to rotate, so that the clamping plate 2322 moves inward to press against the shrunken sagger to form a dynamic clamping. During the descent of the upper hook plate 233, the lower oblique edge of the clamping block 23321 is first driven to abut against the lower edge of the clamping slot 2324, thereby driving the shift plate 2332 to swing outward, thereby releasing the clamping connection and causing the upper hook frame 233 to descend. Under the action of gravity, the shift plate 2332 automatically rotates and returns to its original position, causing the clamping block 23321 to automatically stop the clamping connection when entering the next clamping slot 2324, thereby forming a self-locking structure. Finally, after the cart 2 is moved out, the side seat 22 is taken out by an external manipulator and turned upside down, and S2 is repeated to complete the unloading.

[0022] It can be understood that the present invention fixes multiple surfaces of the raw material sagger by a multi-directional clamping method, thereby reducing the heat-shielding area of the raw material sagger posed by the clamping surface, and at the same time utilizes the shrinkage and deformation of the raw material sagger to automatically lower the dynamic clamping mechanism to press against the outer surface of the sagger in real time, and the clamping portion 23 is combined with the open trolley 2, which can increase the heating area of the raw material sagger during roasting and ensure that heat flows between adjacent saggers to prevent uneven heating caused by obstruction.

[0023] Throughout this specification, references to terms such as "one embodiment," "example," and "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0024] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A high-temperature roasting device for preparing a graphite sagger, characterized by: It includes a roasting kiln (1) and a trolley (2) inside the kiln pulled by a slide rail; The main body of the cart (2) is a slide seat (21) connected to a slide rail, a side seat (22) is layered above the slide seat (21), and a support plate (221) is fixedly connected between the left and right adjacent side seats (22), and the front and rear ends of the support plate (221) are both protruded with a plate body slidably connected to the vertical rod (211) above the front and rear ends of the slide seat (21), and a clamping part (23) is arranged horizontally above the side seat (22), and the slide seat (21), the side seat (22) and the support plate (221) are combined to form an open box structure; The main body of the clamping portion (23) is a support plate (231), and a four-way symmetrically distributed right-angle frame (232) is slidably installed through a slide groove (2311) near the inner ring area of the support plate (231), and an upper hook frame (233) with a self-locking function is slidably installed on the upper end of the right-angle frame (232); A slideway (2321) is provided inside the vertical plate of the right-angle frame (232) in a direction perpendicular to the axis of the support plate (231). A top plate (2333) is rotatably mounted on the bottom of the slideway (2321). A dynamically clamping clamping plate (2322) is rotatably mounted on the upper end of the top plate (2333) near the support plate (231).

2. The high-temperature roasting device for preparing a graphite sagger according to claim 1, characterized in that: The outer side of the upper end of the vertical rod (211) is a spiral structure. The outer side of the vertical rod (211) is provided with a positioning sleeve (212) in sections and is located between adjacent side seats (22). The outer side of the upper end of the vertical rod (211) is installed with a spiral sleeve (213).

3. The high-temperature roasting device for preparing a graphite sagger according to claim 2, characterized in that: A handle (222) is fixed on the outer side of the side seat (22) near the upper end, and a transmission rod (223) with a front-to-back axis is rotatably mounted on the outer side of the side seat (22) near the lower end. The front end of the transmission rod (223) is connected to a rotating portion (2231) located at the front end of the slide seat (21), and first bevel gears (2232) are arranged at equal intervals on the outer side of the transmission rod (223).

4. The high-temperature roasting device for preparing a graphite sagger according to claim 3, characterized in that: A worm (234) with a left-right axis is provided at the upper end of the support plate (221), and second bevel gears (2341) are provided at both ends of the worm (234), which are located outside the slide seat (21) and mesh with the first bevel gear (2232).

5. The high-temperature roasting device for preparing a graphite sagger according to claim 4, characterized in that: A sliding groove (2311) is provided near the inner ring of the support plate (231), which is slidably connected to a block protruding downward from one end of the horizontal plate of the right-angle frame (232), and a fixing rod (2325) protrudes from the lower end of the block. A telescopic rod (2323) is fixed to the inner wall of the sliding groove (2311) near the axis of the support plate (231) and is fixedly connected to the right-angle frame (232).

6. The high-temperature roasting device for preparing a graphite sagger according to claim 5, characterized in that: A coaxial fixed shaft (2312) protrudes from the lower end of the support disc (231) and is fixedly connected to the support plate (221). A rotating disc (2313) is rotatably mounted on the outer side of the fixed shaft (2312), with the upper end close to the support disc (231) and the lower end extending with a transmission sleeve (2314) engaged with the worm (234).

7. The high-temperature roasting device for preparing a graphite sagger according to claim 6, characterized in that: The rotating disk (2313) is fixedly connected to arc-shaped frames (2315) distributed at equal intervals in the circumferential direction via an outer connecting rod (2316). The axis of one end of the semicircular structure is located on the side of the slide groove (2311) away from the axis end of the support disk (231), and the other end is adjacent to the axis of the support disk (231) when adjacent right-angle frames (232) are close to each other. The arc-shaped frame (2315) is provided with an arc groove (23151) inside, which is slidably connected to the fixed rod (2325).

8. The high-temperature roasting device for preparing a graphite sagger according to claim 7, characterized in that: The upper end of the slideway (2321) is open to a side away from the support plate (231) and is used for slidingly installing the slide column (2331). The lower end of the slide column (2331) is connected to a pressure plate (2334) by bolts and abuts against the outer side surface of the top plate (2333).

9. The high-temperature roasting device for preparing a graphite sagger according to claim 8, characterized in that: A shift plate (2332) is rotatably mounted on the lower end of the upper hook frame (233) and is located between the slide post (2331) and the inner side wall of the upper end of the slideway (2321). A clamping block (23321) with upper and lower oblique edges protrudes from the inner side of the shifting plate (2332) and is clamped in a clamping groove (2324) extending from the upper end of the slideway (2321) toward one side of the support plate (231). The intersection of the upper and lower oblique edges of the clamping block (23321) is located near the upper end of the clamping groove (2324).

10. The process for preparing a high-temperature roasting device using a graphite sagger according to claim 9, characterized in that: The following steps are involved: S1. The rotating portion (2231) drives the worm (234) on the same layer to rotate synchronously, and then the worm (234) drives the transmission sleeve (2314) to rotate, so that the arc frame (2315) rotates around the axis of the support plate (231); S2, the arc frame (2315) uses an eccentric structure to drag the fixed rod (2325) away from the axis of the support plate (231) during rotation, thereby moving the adjacent right-angle frame (232) outward to expand the internal space; S3, placing the raw meal sagger inside the clamping portion (23) by an external manipulator, and rotating the rotating portion (2231) in the opposite direction to drive the adjacent right-angle frame (232) to move inward, thereby clamping the raw meal sagger; S4, by docking the disbursement plates near the left and right sides of the front and rear ends of the side seat (22) with the vertical rod (211), the clamping portion (23) loaded with the raw material sagger is placed on the top of the slide seat (21) in layers, and the positioning sleeve (212) is pressed against the adjacent disbursement plates to control the height interval, and then the uppermost disbursement plate is pressed and fixed by the spiral connection between the spiral sleeve (213) and the upper end of the vertical rod (211); S5. Further, the traction mechanism at the bottom of the roasting kiln (1) drives the cart (2) into the roasting area for roasting; S6. During the roasting operation, the contraction of the raw material sagger causes the upper hook frame (233) to descend under the action of gravity, and then the pressing plate (2334) is pressed downward to drive the top plate (2333) to rotate, so that the clamping plate (2322) moves inward to resist the contracted sagger to form a dynamic clamping. At the same time, when the upper hook frame (233) descends, the lower oblique edge of the clamping block (23321) moves downward along the clamping slot (2324) and pushes the dial plate (2332) to swing outward, so that the clamping block (23321) is clamped into the next level clamping slot (2324) to form a self-locking state; S7. Finally, the side seat (22) is taken out by an external manipulator, turned upside down, and S2 is repeated to complete the unloading.

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