Placing rack for oilstone sintering

Abstract

The utility model discloses a placing rack for oilstone sintering, which comprises at least two carrier plates and at least one group of support columns, the group of support columns are used for supporting the two carrier plates, an oilstone placing space with covers at the upper and lower parts is formed between the two carrier plates through the support columns, and the carrier plates can bear an oilstone base material and can also protect the oilstone base material; the supporting columns and the carrying plate are detachably connected, after sintering operation is completed, the placing frame can be disassembled according to needs, and replacement, cleaning and other treatment can be conveniently carried out; before the next sintering operation, the supporting columns and the carrying plate are assembled into the placing frame again, and the placing frame can be continuously used; in addition, due to the fact that the supporting columns and the carrying plate are detachably assembled, placing frames with different sizes and different layer numbers can be assembled according to the number, configuration and other parameters of the oilstones to be sintered in each batch, and therefore the placing requirements of more diverse oilstones are met.

Description

Technical Field

[0001] The present application relates to the technical field of oilstone manufacturing equipment, and in particular to a placement rack for oilstone sintering. Background Art

[0002] The oilstone base material is pressed from powder and needs to be transformed into a dense body through sintering to facilitate subsequent cutting and grinding to obtain the desired finished oilstone.

[0003] The sintering of oilstone needs to be carried out in an environment of open flame and high temperature. Conventional sintering furnaces mostly use a receiving mechanism similar to a baking tray to receive the oilstone and then keep the oilstone in the furnace for sintering. This type of receiving mechanism is usually a single-layer structure with a fixed configuration, which is difficult to meet the needs of large-scale production; when the production quantity or production specifications change, the conventional receiving mechanism is also difficult to meet the display needs of oilstones in different forms. Summary of the invention

[0004] The purpose of the present application is to overcome the deficiencies in the prior art and to provide a placement rack for oilstone sintering.

[0005] To achieve the above technical objectives, the present application provides a placement rack for oilstone sintering, comprising at least two carrier plates and at least one group of support columns, wherein a group of support columns is used to support the two carrier plates, and an oilstone placement space is formed between the two carrier plates through the support columns; wherein the support columns and the carrier plates are detachably connected.

[0006] Furthermore, the support columns and the carrier plates are made of refractory materials.

[0007] Furthermore, one group includes four support columns, and the four support columns are respectively arranged at four corners of the carrier plate.

[0008] Furthermore, a card slot is provided on one of the carrier plate and the support column, and a card block is provided on the other; when the carrier plate and the support column are assembled, the card block can be inserted into the card slot.

[0009] Furthermore, the support column includes: a column body, which is arranged in a prism shape; a first column end, which is arranged at one end of the column body and is arranged in a frustum shape, and the closer to the column body, the smaller the outer diameter of the first column end; a second column end, which is arranged at the other end of the column body and is arranged in a frustum shape, and the closer to the column body, the smaller the outer diameter of the second column end; the first column end and the second column end are symmetrically arranged and are respectively used to be connected to a carrier plate.

[0010] Furthermore, the height of the support column is adjustable; by adjusting the height of the support column, the oilstone placement space can be increased or decreased longitudinally.

[0011] Furthermore, the support column includes a column body, a first column end and a second column end; one of the column body and the first column end is provided with a screw hole, and the other is provided with a screw rod, and the column body and the first column end can be threadedly connected to the screw rod through the screw hole; and / or, one of the column body and the second column end is provided with a screw hole, and the other is provided with a screw rod, and the column body and the second column end can be threadedly connected to the screw rod through the screw hole; adjusting the depth of the screw rod screwed into the screw hole can increase or decrease the height of the support column.

[0012] Furthermore, the carrier plates can be spliced ​​together; by splicing the carrier plates, the space for placing the oilstone can be increased laterally.

[0013] Furthermore, the carrier board includes an upper side, a lower side, a left side and a right side; one of the upper side and the lower side of any carrier board is provided with a socket and the other is provided with an insertion block, and one of the left side and the right side is provided with a socket and the other is provided with an insertion block; when two carrier boards are spliced, the insertion block can be inserted into the socket.

[0014] Furthermore, the placement rack for oilstone sintering also includes a support base, which is made of refractory bricks; a carrier plate and a support column are built on the support base to form a rack.

[0015] The present application provides a placement rack for oilstone sintering, comprising at least two carrier plates and at least one group of support columns, wherein one group of support columns is used to support the two carrier plates, and an oilstone placement space with upper and lower covers is formed between the two carrier plates through the support columns, and the carrier plates can not only carry the oilstone substrate, but also protect the oilstone substrate, and also prevent the impurities evaporated during the sintering process from falling back onto the oilstone substrate during the process of floating up with the exhaust gas; the support columns and the carrier plates are detachably connected, and after the sintering operation is completed, the placement rack can be disassembled as needed, and can be conveniently replaced, cleaned, etc.; before the next sintering operation, the support columns and the carrier plates are reassembled into the placement rack, and the sintering operation can be continued. Use; since the support columns and carrier plates are in a detachable assembly form, racks of different sizes and different numbers of layers can be assembled according to the number, configuration and other parameters of the oilstones to be sintered in each batch, so as to meet more diverse oilstone placement needs; by combining different numbers of carrier plates and support columns, it is possible to increase or decrease the oilstone placement space so as to match the production rhythm of the current batch of oilstone substrates; by vertically combining the carrier plates and support columns, it is possible to construct a multi-column placement rack so as to make full use of the vertical space of the sintering furnace; by horizontally combining the carrier plates and support columns, it is possible to increase the oilstone placement space horizontally so that the placement rack can carry oilstones with larger horizontal dimensions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a placement rack for oilstone sintering provided in this application;

[0017] Figure 2A schematic diagram of the structure of another oilstone sintering rack provided in this application;

[0018] Figure 3 A schematic diagram of the structure of another oilstone sintering rack provided in the present application;

[0019] Figure 4 A structural schematic diagram of a support column provided for this application;

[0020] Figure 5 A schematic structural diagram of a carrier board provided in this application. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0022] The present application provides a placement rack for oilstone sintering, comprising at least two carrier plates 10 and at least one group of support columns 20, wherein the group of support columns 20 is used to support the two carrier plates 10, and an oilstone placement space is formed between the two carrier plates 10 through the support columns 20.

[0023] For details, please refer to Figure 1 , a single-layer rack is shown. The single-layer rack includes two carriers 10, which are arranged side by side in the vertical direction; a group of support columns 20 is arranged between the two carriers 10, and the group includes two support columns 20, which are arranged side by side in the left-right direction to cooperate and support the two carriers 10.

[0024] Continue to refer to Figure 1 A covered oilstone placement space is formed between the two carrier plates 10. Before sintering, workers or handling equipment (such as manipulators, robots, etc.) place the oilstone substrate (in this application, the oilstone substrate refers to the initial oilstone material pressed from powder) in the oilstone placement space. The carrier plate 10 can not only carry the oilstone substrate, but also protect the oilstone substrate, and prevent the impurities evaporated during the sintering process from falling back onto the oilstone substrate during the process of floating up with the exhaust gas.

[0025] Furthermore, the support column 20 and the carrier plate 10 are detachably connected.

[0026] It is easy to understand that since the oilstone substrate needs to be sintered under an open flame environment, the initial pressed material is eventually transformed into a dense preparatory oilstone through high temperature baking, crystal bonding, volume shrinkage, and density increase. In the sintering environment, the support column 20 and the carrier plate 10 are both fragile materials, and the surface is easily attached with impurities and dirt, and often requires maintenance, parts replacement, parts cleaning, etc.

[0027] The support column 20 and the carrier plate 10 are detachably connected. After the sintering operation is completed, the placement rack can be disassembled as needed for convenient replacement, cleaning, etc. Before the next sintering operation, the support column 20 and the carrier plate 10 are reassembled into the placement rack and can continue to be used.

[0028] In addition, since the support column 20 and the carrier plate 10 are in a detachable assembly form, racks of different sizes and different numbers of layers can be assembled according to the number and configuration of oilstones to be sintered in each batch, thereby meeting more diverse oilstone placement needs.

[0029] For details, please refer to Figure 3 , a three-row three-layer placement rack is shown, the placement rack has three groups of vertical frames arranged side by side in the left-right direction, and each group of vertical frames has three layers of oilstone placement spaces arranged side by side in the up-down direction. At this time, each group of vertical frames is assembled from four carrier plates 10 and three groups of support columns 20.

[0030] By combining different numbers of carrier plates 10 and support columns 20, it is possible to increase or decrease the space for placing oilstones, so as to match the production rhythm of the oilstone substrate of the current batch. By vertically combining carrier plates 10 and support columns 20, it is possible to construct a multi-row placement rack, so as to make full use of the vertical space of the sintering furnace. By horizontally combining carrier plates 10 and support columns 20, it is possible to horizontally increase the space for placing oilstones, so that the rack can carry oilstones with larger horizontal dimensions.

[0031] In one embodiment, the support column 20 and the carrier plate 10 are detachably connected by screws.

[0032] Specifically, screw holes are provided on the support column 20 and the carrier plate 10 so that the screw holes of the two are connected. The support column 20 and the carrier plate 10 can be locked by screwing in the screws, and the support column 20 and the carrier plate 10 can be disassembled by unscrewing the screws.

[0033] In another embodiment, the support column 20 and the carrier board 10 are detachably connected by plugging.

[0034] Specifically, a slide groove is provided on one of the support column 20 and the carrier plate 10, and a slider is provided on the other, so that the support column 20 and the carrier plate 10 can be assembled together by inserting the slider into the slide groove; the support column 20 and the carrier plate 10 can be disassembled by sliding the slider out of the slide groove.

[0035] The present application does not limit the detachable connection method between the support column 20 and the carrier board 10 .

[0036] In a specific embodiment, a card slot is provided on one of the carrier plate 10 and the support column 20 , and a card block is provided on the other; when the carrier plate 10 and the support column 20 are assembled, the card block can be inserted into the card slot.

[0037] For example, refer to Figure 1 , two support columns 20 cooperate to support two carriers 10, a card block is provided at the top and bottom of any support column 20, and two card slots are provided on the upper and lower surfaces of any carrier 10 at intervals in the left and right directions for the card block to be inserted. Ensuring that the card block is inserted into the corresponding card slot can not only strengthen the connection relationship between the carrier 10 and the support column 20, but also limit the connection position of the carrier 10 and the support column 20, thereby simplifying the connection between the carrier 10 and the support column 20, and ensuring that the placement rack has uniformity and stability after connection.

[0038] Optionally, the support column 20 and the carrier plate 10 are made of refractory materials.

[0039] It is easy to understand that the oilstone substrate needs to be sintered under open flame conditions. Therefore, the placement rack used to support the oilstone substrate must have good fire resistance to ensure that the carrier plate 10 and the support column 20 can withstand high temperatures and will not deform under open flame conditions, so as to ensure that the placement rack can stably support the oilstone substrate and further ensure the stability of the oilstone substrate during the sintering process.

[0040] In a specific embodiment, the support column 20 and the carrier plate 10 are made of mullite.

[0041] In a specific embodiment, a group includes four support columns 20 , and the four support columns 20 are respectively disposed at four corners of the carrier board 10 .

[0042] For example, Figure 2 In the illustrated embodiment, four support columns 20 are disposed between two carriers 10 . The carrier 10 is configured in a square plate shape. The four support columns 20 are spaced apart along the four corners of the square and can stably support the carrier 10 .

[0043] When three or more carriers 10 are constructed into a multi-layer frame structure under the support of multiple groups of support columns 20, the support columns 20 arranged at the four corners can ensure the structural stability and force balance of each carrier 10, and prevent the parts of the carrier 10 away from the support columns 20 from being displaced or deformed due to lack of supporting force.

[0044] In a specific embodiment, the support column 20 includes: a column body 21, which is arranged in a prism shape; a first column end 22, which is arranged at one end of the column body 21 and is arranged in a frustum shape, and the closer to the column body 21, the smaller the outer diameter of the first column end 22; a second column end 23, which is arranged at the other end of the column body 21 and is arranged in a frustum shape, and the closer to the column body 21, the smaller the outer diameter of the second column end 23; the first column end 22 and the second column end 23 are symmetrically arranged and are respectively used to be connected to a carrier plate 10.

[0045] For details, please refer to Figure 1 In the illustrated embodiment, each support column 20 includes a column body 21, a first column end 22 and a second column end 23. The first column end 22 and the second column end 23 make the upper and lower ends of the support column 20 have a gradually decreasing outer diameter, and the support column 20 as a whole is thick at both ends and thin in the middle.

[0046] It is easy to understand that since the placement rack provided by the present application is in a freely assembled form, multiple layers of carrier plates 10 and multiple layers of support columns 20 can be built in the vertical direction as needed, thereby obtaining multiple layers of oilstone placement space. Generally, during use, each layer of oilstone placement space will be filled with oilstones, and the placement rack is heavily loaded, which requires the support column 20 to have reliable structural stability and load capacity. The first column end 22 and the second column end 23 are arranged in a form of tapered outer diameter, which can balance the vertical stress in the mechanical structure, thereby ensuring the overall durability of the support column 20.

[0047] Optionally, the height of the support column 20 is adjustable; by adjusting the height of the support column 20, the oilstone placement space can be increased or decreased longitudinally.

[0048] It is easy to understand that oilstone is used to grind parts; according to actual use needs, oilstone is required to be made into a shape and size that can match the configuration of the part to be grinded. Therefore, when preparing oilstone, a larger oilstone substrate is often prepared through the pressing stage, and then after sintering, the large oilstone substrate is cut into smaller preparatory oilstone materials through cutting. In order to simplify cutting, the height and width of the oilstone substrate are usually required to be close to any two dimensions of the length, width, and height of the preparatory oilstone.

[0049] This results in different batches of oilstone substrates possibly having different heights.

[0050] If the height of a layer of oilstone placement space is constant, the oilstone placement space of constant height must have a larger height dimension to accommodate the placement of the oilstone substrate of the maximum height; when the sintering furnace size is constant and the construction cost is high, the height of the placement rack is limited and cannot meet the oilstone sintering needs of small-sized and large-quantity production batches.

[0051] For this purpose, the height of the support column 20 is adjustable. When dealing with small-sized oilstone substrates, the height of the support column 20 can be reduced, and the placement rack can be assembled to form more layers of oilstone placement space, so as to carry more oilstone substrates at the same time. When dealing with large-sized oilstone substrates, the height of the support column 20 can be increased to ensure the availability of the oilstone placement space.

[0052] In one embodiment, the support column 20 is configured in a telescopic form, so that the support column 20 can be raised by extending the telescopic structure of the support column 20 , and the support column 20 can be lowered by retracting the telescopic structure of the support column 20 .

[0053] In another embodiment, the support column 20 is configured in a foldable form, so that the folding structure of the support column 20 can be unfolded to increase the support column 20; and the folding structure of the support column 20 can be folded to lower the support column 20.

[0054] In another embodiment, the support column 20 is provided with various heights. By selecting a support column 20 of a suitable height and assembling it with the carrier plate 10 , a desired height of an oilstone placement space can be obtained.

[0055] The present application does not limit the specific method of adjusting the height of the support column 20 .

[0056] In one embodiment, the support column 20 includes a column body 21, a first column end 22 and a second column end 23; a screw hole is provided on one of the column body 21 and the first column end 22, and a screw rod 24 is provided on the other, and the column body 21 and the first column end 22 can be threadedly connected with the screw rod 24 through the screw hole; and / or, a screw hole is provided on one of the column body 21 and the second column end 23, and a screw rod 24 is provided on the other, and the column body 21 and the second column end 23 can be threadedly connected with the screw rod 24 through the screw hole; adjusting the depth of the screw rod 24 screwed into the screw hole can increase or decrease the height of the support column 20.

[0057] For details, please refer to Figure 4 In the illustrated embodiment, a screw hole is provided in the column body 21 which penetrates in the up-down direction, and a screw rod 24 is provided at the bottom of the first column end 22 and the top of the second column end 23. When adjusting the height of the support column 20, only the first column end 22 can be rotated to adjust the relative position of the first column end 22 and the column body 21, or only the second column end 23 can be rotated to adjust the relative position of the second column end 23 and the column body 21, or both the first column end 22 and the second column end 23 can be rotated to adjust the relative positions of the two ends and the column body 21, thereby realizing diversified height adjustment of the support column 20.

[0058] The first column end 22 and the second column end 23 are both provided with screw rods 24 , and both can be adjusted in position with the column body 21 , thereby the height adjustable range of the support column 20 is larger.

[0059] In other embodiments, a screw may be provided on the column body 21, and a screw hole may be provided on the first column end 22 and / or the second column end 23. Alternatively, only the first column end 22 or only the second column end 23 may be provided so as to be able to adjust the relative position with the column body 21 through a threaded connection.

[0060] Optionally, the carrier plates 10 can be spliced ​​together; by splicing the carrier plates 10, the space for placing the oilstone can be increased laterally.

[0061] By horizontally splicing the carrier plates 10 together, the horizontal area of ​​one layer of the oilstone placement space can be increased. In this way, the oilstone placement space can be used to place more oilstone substrates and also can be used to place oilstone substrates of larger size.

[0062] The splicing structure of the carrier 10 can be similar to the detachable structure of the carrier 10 and the support column 20, such as splicing the carrier 10 with the carrier 10 by screwing, plugging, snapping, etc. The present application does not limit the specific splicing form of the carrier 10.

[0063] In one embodiment, the carrier board 10 includes an upper side, a lower side, a left side, and a right side; one of the upper side and the lower side of any carrier board 10 is provided with a socket and the other is provided with an insert block, and one of the left side and the right side is provided with a socket and the other is provided with an insert block; when two carrier boards 10 are spliced ​​together, the insert block can be inserted into the socket.

[0064] For details, please refer to Figure 5 In the illustrated embodiment, a layer of oilstone placement space is formed by splicing four carrier boards 10; each carrier board 10 has three downwardly sunken plug holes on its upper side, three downwardly protruding plug blocks on its lower side, two leftwardly protruding plug blocks on its left side, and two leftwardly sunken plug holes on its right side. When the carrier boards 10 are spliced ​​in the up-down direction, the three plug blocks on the lower side of the upper carrier board 10 can be correspondingly inserted into the three plug holes on the upper side of the lower carrier board 10. When the carrier boards 10 are spliced ​​in the left-right direction, the two plug blocks on the left side of the right carrier board 10 can be correspondingly inserted into the two plug holes on the right side of the left carrier board 10.

[0065] The plug-in blocks are inserted into the corresponding plug-in holes, which can not only stabilize the splicing of the carriers 10 and 10 by using the plug-in form of the blocks and the holes, ensuring that the two form a reliable plane to stably carry the oilstone substrate, but also define the splicing position of the carriers 10 and 10 by using the correspondence between the blocks and the holes, which is convenient for the splicing of the carriers 10 and can unify the final splicing form of the carriers 10. In addition, when the placement rack enters the sintering furnace with the oilstone substrate to receive open flame treatment, the plug-in form of the blocks and the holes can also well adapt to the thermal expansion and contraction characteristics of the material, further strengthening the structural stability of the placement rack.

[0066] In addition, since the structure of each carrier 10 is consistent, the spliced ​​carrier 10 can be manufactured by opening the mold once. At the same time, the carrier 10 has obvious front and back sides to meet the needs of corresponding insertion of blocks and holes, which is conducive to clarifying the splicing position and simplifying the splicing process.

[0067] When splicing, multiple carrier boards 10 can be spliced ​​along a straight line, or multiple carrier boards 10 can be spliced ​​along multiple directions, so that there are many splicing forms and greater applicability.

[0068] Optionally, the oilstone sintering rack provided in the present application further includes a support base 30, which is made of refractory bricks; the carrier plate 10 and the support column 20 are constructed on the support base 30 to form a rack.

[0069] For details, please refer to Figure 3 In the illustrated embodiment, three rows of vertical racks are built on the support base 30 made of refractory bricks. The support base 30 is used as the base for placing the rack, which is used to provide a reliable building platform and can also cooperate to form the bottom of the sintering furnace.

[0070] Since the carrier plate 10 and the support column 20 adopt a detachable structure, if the shelf assembled by the carrier plate 10 and the support column 20 is directly moved, it is easy to cause them to deform or fall apart. By setting a fixed support base 30 and applying the moving force to the support base 30, damage to the carrier plate 10 and the support column 20 can be avoided.

[0071] In order to facilitate the oilstone substrate to enter and exit the sintering furnace, the placement rack is configured to be movable.

[0072] For example, a ground rail leading to the sintering furnace is provided, and rollers that can slide along the ground rail are provided at the bottom of the support base 30, and the placement rack can be moved in and out of the sintering furnace by manual pushing or electric cylinder driving.

[0073] It should be explained that in order to facilitate the entry and exit of the placement rack, the sintering furnace is provided with an openable door. At the same time, the sintering furnace is preferably raised and overhead to prevent mobile structures such as rails and rollers from entering the sintering furnace, thereby protecting the mobile structure and preventing it from being deformed by high temperature due to open flames. At this time, the position of the sintering furnace for receiving the placement rack is bottomless. When a support base 30 is provided, after the support base 30 enters the sintering furnace, it can cooperate with the wall of the sintering furnace to form the bottom of the sintering furnace, which plays a role in closing the sintering furnace and preventing open flames from leaking out.

[0074] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A rack for sintering oilstone, characterized in that: It comprises at least two carrier plates (10) and at least one group of support columns (20), wherein the group of support columns (20) is used to support the two carrier plates (10), and an oilstone placement space is formed between the two carrier plates (10) through the support columns (20); Wherein, the support column (20) and the carrier plate (10) are detachably connected.

2. The oilstone sintering rack according to claim 1, characterized in that: The support column (20) and the carrier plate (10) are made of refractory material.

3. The oilstone sintering rack according to claim 1, characterized in that: One group comprises four support columns (20), and the four support columns (20) are arranged at four corners of the carrier plate (10).

4. The oilstone sintering rack according to claim 1, characterized in that: One of the carrier plate (10) and the support column (20) is provided with a card slot, and the other is provided with a card block; When the carrier plate (10) and the support column (20) are assembled, the card block can be inserted into the card slot.

5. The oilstone sintering rack according to claim 1, characterized in that: The support column (20) comprises: The column body (21) is arranged in a prism shape; A first column end (22) is disposed at one end of the column body (21) and is arranged in a frustum shape, wherein the outer diameter of the first column end (22) decreases as it is closer to the column body (21); A second column end (23) is disposed at the other end of the column body (21) and is arranged in a frustum shape, wherein the outer diameter of the second column end (23) decreases as it is closer to the column body (21); The first column end (22) and the second column end (23) are symmetrically arranged and are respectively used to be connected to one of the carrier plates (10).

6. The oilstone sintering rack according to claim 1, characterized in that: The support column (20) is height-adjustable; By adjusting the height of the support column (20), the oilstone placement space can be increased or decreased longitudinally.

7. The oilstone sintering rack according to claim 6, characterized in that: The support column (20) comprises a column body (21), a first column end (22) and a second column end (23); One of the column body (21) and the first column end (22) is provided with a screw hole, and the other is provided with a screw rod (24), and the column body (21) and the first column end (22) can be threadedly connected to the screw rod (24) through the screw hole; and / or one of the column body (21) and the second column end (23) is provided with a screw hole, and the other is provided with a screw rod (24), and the column body (21) and the second column end (23) can be threadedly connected to the screw rod (24) through the screw hole; By adjusting the depth of the screw rod (24) screwed into the screw hole, the height of the support column (20) can be increased or decreased.

8. The oilstone sintering rack according to claim 1, characterized in that: The carrier plates (10) can be spliced ​​together; By splicing the carrier plates (10), the space for placing the oilstone can be increased laterally.

9. The oilstone sintering rack according to claim 8, characterized in that: The carrier plate (10) comprises an upper side surface, a lower side surface, a left side surface and a right side surface; One of the upper side and the lower side of any of the carrier plates (10) is provided with an insertion hole, and the other is provided with an insertion block, and one of the left side and the right side is provided with an insertion hole, and the other is provided with an insertion block; When two carrier boards (10) are spliced ​​together, the insert block can be inserted into the insert hole.

10. The oilstone sintering rack according to any one of claims 1 to 9, characterized in that: It also includes a support base (30), wherein the support base (30) is made of refractory bricks; The carrier plate (10) and the support column (20) are constructed on the support base (30) to form a frame.

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