Welding rod high-temperature sintering equipment

Abstract

The utility model discloses a welding rod high-temperature sintering equipment, including sintering furnace box, and pipe rail subassembly and heating coil used for welding rod sintering, pipe rail subassembly passes through sintering furnace box center one end, sintering furnace box one side is equipped with external connection block, pipe rail subassembly inner wall lower surface one end is equipped with slide hole, and the other end is equipped with the heating coil. The pipe rail assembly comprises a first stainless steel conveying pipe and a second stainless steel conveying pipe, the first stainless steel conveying pipe and the second stainless steel conveying pipe are located on the two sides of the sintering furnace box body respectively, and high-temperature alloy sealing pipes are fixedly connected between the first stainless steel conveying pipe and the second stainless steel conveying pipe. The heating coil is arranged around the high-temperature alloy sealing pipe, then the mold blank assembly is moved to the high-temperature alloy sealing pipe through the hydraulic cylinder, uniform heating and sintering are provided, it is ensured that a welding rod reaches the needed temperature in the sintering process, the temperature difference is prevented from being too large, and the quality stability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrode sintering, and particularly relates to a high-temperature sintering device for electrodes. Background Technique

[0002] The high-temperature sintering device for electrodes is a key device specifically designed for producing high-quality electrodes. Through the high-temperature sintering process, this device ensures the tight combination of the electrode coating and the metal core, thereby improving the welding performance and quality.

[0003] Currently, the Chinese patent with the publication (announcement) number: CN213238435U discloses a super-high-temperature solder sintering device, which includes a sintering furnace box body, a feeding port track, an air inlet, a box body cooling pipe, a coil installation panel, a heating coil, a high-temperature track, a cooling water jacket, a water inlet, a water outlet, a low-temperature cooling track, and a discharging port; the feeding port track is arranged on the left side of the sintering furnace box body, the air inlet is installed at the lower right side of the sintering furnace box body, the box body cooling pipe is installed around the sintering furnace box body, and the coil installation panel is installed on the right side of the sintering furnace box body; the heating coil is installed inside the sintering furnace box body, the heating coil is fixed on the coil installation panel and is externally connected to an induction heating power supply; the high-temperature track is arranged inside the sintering furnace box body; the utility model has reasonable design, low use cost, reduced labor cost, and high automation degree.

[0004] However, the heating of the heating coil of the above-mentioned sintering device may have a situation of uneven local temperature, which will cause the electrodes to be heated inconsistently during the sintering process, thereby affecting the quality stability and consistency of the electrodes. Especially in large-scale production, this temperature difference may bring greater quality hidden dangers, and may consume a large amount during cooling. Content of the Utility Model

[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a high-temperature sintering device for electrodes to solve the technical defect of the problem that the heating of the heating coil of the sintering device mentioned above may have a situation of uneven local temperature, which will cause the electrodes to be heated inconsistently during the sintering process, thereby affecting the quality stability and consistency of the electrodes. Especially in large-scale production, this temperature difference may bring greater quality hidden dangers, and may consume a large amount during cooling.

[0006] To achieve the above object, the utility model provides the following technical solutions: A high-temperature sintering device for welding rods, including a sintering furnace box body, a pipe rail assembly for sintering welding rods, and a heating coil. The pipe rail assembly penetrates through one end of the center of the sintering furnace box body. An external connection block is installed on one side of the sintering furnace box body. A sliding hole is provided at one end of the lower surface of the inner wall of the pipe rail assembly. The pipe rail assembly includes a first stainless steel conveying pipe and a second stainless steel conveying pipe. The first stainless steel conveying pipe and the second stainless steel conveying pipe are respectively located on both sides of the sintering furnace box body. A high-temperature alloy sealing pipe is fixedly connected between the first stainless steel conveying pipe and the second stainless steel conveying pipe;

[0007] One end of the first stainless steel conveying pipe is located inside the external connection block. A cooling component is provided at one end of the second stainless steel conveying pipe. The high-temperature alloy sealing pipe is located inside the sintering furnace box body. The heating coil is located at one end of the periphery of the high-temperature alloy sealing pipe. The other end of the heating coil is connected to one side of the inner wall of the sintering furnace box body. An air inlet is provided at one end of the upper surface of the sintering furnace box body.

[0008] As a further solution of the utility model, a mold embryo component is slidably installed in the sliding hole. The mold embryo component is made of graphite material. A hydraulic cylinder is provided at one end of the center inside the external connection block. The extending end of the hydraulic cylinder is connected to one end of the mold embryo component. An air outlet is provided on one side of the sintering furnace box body. A plug block is inserted into the air outlet.

[0009] As a further preferred solution of the utility model, a hot air blower is provided at the upper end of the sintering furnace box body. The air outlet end of the hot air blower is connected to an air conveying pipe. The other end of the air conveying pipe is inserted into the sintering furnace box body. Heat insulation plates are fixedly installed on both the upper surface and the lower surface of the inner wall of the sintering furnace box body. The heat insulation plates are made of ceramic fiber.

[0010] As a preferred solution of the utility model, the cooling component includes an annular block. The annular block is fixedly installed at one end of the periphery of the second stainless steel conveying pipe. A connecting plate is fixedly installed at one end of the upper surface of the annular block. An axial flow fan is provided at one end of the lower surface of the connecting plate. A reflux plate is fixedly installed on one surface of the annular block. The reflux plate is located below the axial flow fan. The reflux plate is in a semi-circular ring shape.

[0011] As a further solution of the utility model, the mold embryo component includes a sliding frame. The sliding frame is slidably installed in the sliding hole. One end of the sliding frame is fixedly connected to a heat insulation disc. The heat insulation disc has the same size as the through hole in the pipe rail assembly. An insertion port is provided at one end of the heat insulation disc. The extending end of the hydraulic cylinder is fixedly connected to one end of the insertion port. A heat conduction groove is provided at one end of the center of the inner wall of the sliding frame. A welding rod bin is detachably installed in the sliding frame. The heat insulation disc and the heat insulation plate are made of the same material.

[0012] As a further solution of the present utility model, limit rods are provided at both ends of the upper surface of the sliding frame, and limit holes are provided at both ends of the electrode rod bin. The electrode rod bin can be installed in the sliding frame by inserting the limit rods into the limit holes.

[0013] As a further solution of the present utility model, multiple groups of electrode rod-shaped grooves are provided in the electrode rod bin. The electrode rod-shaped grooves are used to form electrode rod blanks for sintering. One end of the electrode rod bin is adhesively connected with a top cover, and multiple extrusion rods are provided at the center of one end of the top cover. The extrusion rods can be inserted into the electrode rod-shaped grooves.

[0014] As a further solution of the present utility model, a fitting rod is provided at one end of the center of the top cover, and a fitting groove is provided at one end of the center of the electrode rod bin. The fitting rod and the fitting groove are fitted and installed. After the fitting rod of the top cover is inserted into the fitting groove, the top cover can be attached to one end of the surface of the electrode rod bin.

[0015] Compared with the prior art, a high-temperature sintering device for electrode rods provided by the present utility model has the following beneficial effects:

[0016] 1. By passing the pipe rail assembly through the sintering furnace box body, it is convenient to perform high-temperature sintering on the electrode rod blanks in the mold blank assembly. Through the sliding holes provided in the pipe rail assembly, it is convenient for the hydraulic cylinder to push the mold blank assembly to slide and convey in the pipe rail assembly, improving the sintering efficiency. And it is convenient for the staff to fill the electrode rods into the mold blank assembly. Through the design of the first stainless steel conveying pipe, the second stainless steel conveying pipe, and the high-temperature alloy sealing pipe, the sealing performance in the high-temperature area can be ensured, and the heat can be kept in the set area through the high-temperature alloy sealing pipe to prevent heat loss. At the same time, the electrode rods are protected from the influence of the external environment. By arranging the heating coil around the high-temperature alloy sealing pipe, and then moving the mold blank assembly to the position of the high-temperature alloy sealing pipe by the hydraulic cylinder, uniform heating and sintering are provided to ensure that the electrode rods reach the required temperature during the sintering process, avoiding excessive temperature difference and improving the quality stability. After sintering, the sintering device is turned off, and the mold blank assembly is pushed by the hydraulic cylinder to move from the high-temperature alloy sealing pipe to the second stainless steel conveying pipe, and the set cooling assembly blows air to cool it, effectively reducing the temperature of the electrode rods and facilitating subsequent processing.

[0017] 2. The hot air blower is installed at the upper end of the sintering furnace box body. The hot air is sent into the box body through the air delivery pipe connected to the air outlet end, filling the box body with hot air. The hot air helps to evenly distribute the heat, improve the sintering efficiency and reduce hot spots, thereby reducing the unevenness of local temperature. The welding rods are uniformly heated during the sintering process, enabling the quality of the welding rods to reach stability and consistency. Heat insulation plates are installed at both the upper and lower ends of the sintering furnace box body. The heat insulation plates are made of ceramic fiber, which can effectively reduce heat consumption and retain the heat effectively inside the furnace box. The die blank assembly is pushed into the lower end of the axial flow fan by the hydraulic cylinder. The axial flow fan provides continuous cold air to cool down the sintered welding rods. The return plate is located at the lower end of the axial flow fan to guide the flow of cooling air and optimize the cooling effect, thereby reducing energy consumption.

[0018] 3. It is slidably installed in the sliding hole through the sliding frame, facilitating the hydraulic cylinder to push the sliding frame to move within the pipe rail assembly. Through the heat insulation disc fixedly connected to one end of the sliding frame, the heat insulation disc has the same size as the through hole in the pipe rail assembly. When the heating coil is operating, it can prevent the high temperature from affecting the hydraulic cylinder connected at one end, keeping the hydraulic cylinder operating at a suitable temperature and ensuring the stability and reliability of the entire equipment. Through the heat conduction groove provided at the center of one end of the inner wall of the sliding frame, it is beneficial to evenly distribute the heat in the welding rod bin. Through the limiting rod provided on the sliding frame, it is convenient to disassemble the welding rod bin from the sliding frame for taking out the welding rods or loading raw materials. The multi-group of welding rod-shaped grooves in the welding rod bin are designed to form the welding rod blank for sintering, ensuring the consistency of the shape and size of the welding rods during the sintering process. And when the top cover is fitted to the welding rod bin through the fitting rod, the extrusion rod provided at one end of the top cover extrudes the raw materials in the welding rod-shaped groove to make them fastened. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only the case of the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the welding rod high-temperature sintering equipment according to the embodiment of the present invention;

[0021] Figure 2 It is a schematic diagram of the structure of the heat insulation plate according to the embodiment of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the cooling component according to the embodiment of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the die blank assembly according to the embodiment of the present invention;

[0024] Figure 5 Schematic structural diagram of the welding strip groove of the embodiment of the present utility model;

[0025] Figure 6 Schematic structural diagram of the welding rod bin of the embodiment of the present utility model;

[0026] Figure 7 Schematic cross-sectional structural diagram of the mold blank assembly of the embodiment of the present utility model.

[0027] Reference numerals:

[0028] 1, sintering furnace box body; 2, external block; 3, air outlet; 31, blocking block; 4, cooling assembly; 5, hot air blower; 6, air delivery pipe; 7, air inlet; 8, hydraulic cylinder; 9, mold blank assembly; 10, pipe rail assembly; 11, heat insulation plate; 12, heating coil; 13, sliding hole;

[0029] 101, first stainless steel delivery pipe; 102, second stainless steel delivery pipe; 103, high temperature alloy seal pipe;

[0030] 401, ring block; 402, connecting plate; 403, return plate; 404, axial flow fan;

[0031] 901, sliding frame; 902, heat insulation disc; 903, socket; 904, welding rod bin; 905, limiting rod; 906, heat conduction groove; 907, top cover; 908, limiting hole; 909, extrusion rod; 910, welding strip groove; 911, fitting rod; 912, fitting groove. Detailed implementation manners

[0032] In order to make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer and more understandable, the following further elaborates on the embodiments of the present utility model in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0033] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model 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 should not be construed as a limitation to the embodiments of the present utility model.

[0034] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, an integral connection, or a detachable connection; it may be the communication inside two components; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific situations.

[0035] See the attached Figure 1 - attached Figure 7 As shown, a high-temperature sintering device for welding rods includes a sintering furnace box body 1, a pipe rail assembly 10 for sintering welding rods, and a heating coil 12. The pipe rail assembly 10 penetrates through one end of the center of the sintering furnace box body 1. An external connection block 2 is installed on one side of the sintering furnace box body 1. A sliding hole 13 is provided at one end of the lower surface of the inner wall of the pipe rail assembly 10. The pipe rail assembly 10 includes a first stainless steel conveying pipe 101 and a second stainless steel conveying pipe 102. The first stainless steel conveying pipe 101 and the second stainless steel conveying pipe 102 are respectively located on both sides of the sintering furnace box body 1. A high-temperature alloy sealing pipe 103 is fixedly connected between the first stainless steel conveying pipe 101 and the second stainless steel conveying pipe 102;

[0036] One end of the first stainless steel conveying pipe 101 is located inside the external connection block 2. A cooling assembly 4 is provided at one end of the second stainless steel conveying pipe 102. The high-temperature alloy sealing pipe 103 is located inside the sintering furnace box body 1. The heating coil 12 is located at one end of the periphery of the high-temperature alloy sealing pipe 103. The other end of the heating coil 12 is connected to one side of the inner wall of the sintering furnace box body 1. An air inlet 7 is provided at one end of the upper surface of the sintering furnace box body 1.

[0037] A mold embryo assembly 9 is slidably installed in the sliding hole 13. The mold embryo assembly 9 is made of graphite material. A hydraulic cylinder 8 is provided at one end of the center inside the external connection block 2. The extending end of the hydraulic cylinder 8 is connected to one end of the mold embryo assembly 9. An air outlet 3 is provided on one side of the sintering furnace box body 1. A plug 31 is inserted into the air outlet 3.

[0038] Among them, the pipe-rail assembly 10 penetrates through the sintering furnace box body 1, facilitating the high-temperature sintering of the electrode blanks in the die blank assembly 9. Through the sliding holes 13 provided in the pipe-rail assembly 10, it is convenient for the hydraulic cylinder 8 to push the die blank assembly 9 to slide and convey within the pipe-rail assembly 10, improving the sintering efficiency. And it is convenient for the staff to fill the electrodes into the die blank assembly 9. Through the design of the first stainless steel conveying pipe 101, the second stainless steel conveying pipe 102, and the superalloy sealing pipe 103, the sealing performance in the high-temperature area can be ensured, and the heat can be maintained within the set area through the superalloy sealing pipe 103 to prevent heat loss. At the same time, the electrodes are protected from the external environment. The heating coil 12 is arranged around the superalloy sealing pipe 103, and then the die blank assembly 9 is moved to the position of the superalloy sealing pipe 103 by the hydraulic cylinder 8 to provide uniform heating and sintering, ensuring that the electrodes reach the required temperature during the sintering process, avoiding excessive temperature differences, and improving the quality stability. After sintering, the sintering equipment is shut down, and the die blank assembly 9 is pushed by the hydraulic cylinder 8 to move from the superalloy sealing pipe 103 into the second stainless steel conveying pipe 102, and the set cooling assembly 4 blows air to cool it, effectively reducing the temperature of the electrodes and facilitating subsequent processing.

[0039] Among them, the function of the die blank assembly 9 is to mix the raw materials and fill them into the die blank assembly 9 to form blanks, and then the blanks are put into the sintering equipment for high-temperature sintering to make the final electrode products, which can effectively improve the production quality of the electrodes.

[0040] It is worth noting that the heating coil 12 is the structure disclosed in the patent CN213238435U, and its principle and specific structure will not be elaborated here.

[0041] See attached Figure 2 - attached Figure 3 As shown, a hot air blower 5 is provided at the upper end of the sintering furnace box body 1. The air outlet end of the hot air blower 5 is connected to an air conveying pipe 6, and the other end of the air conveying pipe 6 is inserted into the sintering furnace box body 1. Heat insulation plates 11 are fixedly installed on both the upper and lower surfaces of the inner wall of the sintering furnace box body 1, and the heat insulation plates 11 are made of ceramic fiber. The cooling assembly 4 includes an annular block 401, the annular block 401 is fixedly installed at one end of the periphery of the second stainless steel conveying pipe 102. One end of the upper surface of the annular block 401 is fixedly installed with a connecting plate 402, and an axial flow fan 404 is provided at one end of the lower surface of the connecting plate 402. One end of the surface of the annular block 401 is fixedly installed with a return plate 403, the return plate 403 is located below the axial flow fan 404, and the return plate 403 is in a semi-circular ring shape.

[0042] Among them, the hot air blower 5 is installed at the upper end of the sintering furnace box body 1, and hot air is sent into the box body through the air delivery pipe 6 connected to the air outlet end, so that the hot air fills the box body. The hot air helps to evenly distribute heat, improve the sintering efficiency and reduce hot spots, thereby reducing the situation of uneven local temperature. The welding rods are uniformly heated during the sintering process, enabling the quality of the welding rods to reach stability and consistency. Heat insulation plates 11 are installed at both the upper and lower ends of the sintering furnace box body 1. The heat insulation plates 11 are made of ceramic fiber and can effectively reduce heat consumption. The heat is effectively retained inside the furnace box. The die blank assembly 9 is pushed into the lower end of the axial flow fan 404 by the hydraulic cylinder 8. The axial flow fan 404 provides continuous cold air to cool the sintered welding rods. The return plate 403 is located at the lower end of the axial flow fan 404 to guide the flow of cooling air and optimize the cooling effect, thereby reducing energy consumption.

[0043] See Appendix Figure 4 As shown, the die blank assembly 9 includes a sliding frame 901. The sliding frame 901 is slidably installed in the sliding hole 13. One end of the sliding frame 901 is fixedly connected with a heat insulation disc 902. The heat insulation disc 902 has the same size as the through hole in the pipe rail assembly 10. One end of the heat insulation disc 902 is provided with a socket 903. The extended end of the hydraulic cylinder 8 is fixedly connected to one end of the socket 903. One end of the center of the inner wall of the sliding frame 901 is provided with a heat through groove 906. A welding rod bin 904 is detachably installed in the sliding frame 901. The heat insulation disc 902 and the heat insulation plate 11 are made of the same material. Limit rods 905 are provided at both ends of the upper surface of the sliding frame 901. Limit holes 908 are opened at both ends of the welding rod bin 904. The welding rod bin 904 can be installed in the sliding frame 901 by inserting the limit rods 905 into the limit holes 908. A plurality of welding rod-shaped grooves 910 are provided in the welding rod bin 904. The welding rod-shaped grooves 910 are used to form welding rod blanks for sintering. One end of the welding rod bin 904 is fitted and connected with a top cover 907. A plurality of extrusion rods 909 are provided at the center of one end of the top cover 907. The extrusion rods 909 can be inserted into the welding rod-shaped grooves 910. A fitting rod 911 is provided at the center of one end of the top cover 907. A fitting groove 912 is provided at the center of one end of the welding rod bin 904. The fitting rod 911 and the fitting groove 912 are fitted and installed. After the fitting rod 911 of the top cover 907 is inserted into the fitting groove 912, the top cover 907 can be fitted on the surface of one end of the welding rod bin 904.

[0044] Among them, it is slidably installed in the sliding hole 13 through the sliding frame 901, which facilitates the hydraulic cylinder 8 to push the sliding frame 901 to move within the pipe rail assembly 10. Through the heat insulation plate 902 fixedly connected to one end of the sliding frame 901, the heat insulation plate 902 has the same size as the through hole in the pipe rail assembly 10. When the heating coil 12 operates, it can prevent the high temperature from affecting the hydraulic cylinder 8 connected at one end, keep the hydraulic cylinder 8 operating at an appropriate temperature, and ensure the stability and reliability of the entire device. Through the heat conduction groove 906 provided at one end of the inner wall center of the sliding frame 901, it is beneficial to evenly distribute the heat in the electrode rod bin 904. Through the limiting rod 905 provided on the sliding frame 901, it is convenient to disassemble the electrode rod bin 904 from the sliding frame 901 for taking the electrode rods or filling raw materials. The multi-group of electrode rod-shaped grooves 910 in the electrode rod bin 904 are designed to form an electrode rod embryo for sintering, ensuring the consistency of the shape and size of the electrode rods during the sintering process. And when the top cover 907 is fitted to the electrode rod bin 904 through the fitting rod 911, the extrusion rod 909 provided at one end of the top cover 907 extrudes the raw materials in the electrode rod-shaped grooves 910 to make them fastened.

[0045] Working principle: After mixing the raw materials and filling them into the mold embryo assembly 9 to form an embryo, it is beneficial for molding and the molding performance can be improved. Then, the hydraulic cylinder 8 drives the mold embryo assembly 9 to move to the high-temperature alloy sealing pipe 103, and it is heated and sintered by the heating coil 12. Then, hot air is sent into the box body through the air delivery pipe 6 connected to the air outlet end of the hot air blower 5. Through the heat insulation plates 11 installed at both the upper and lower ends of the sintering furnace box body 1, the heat insulation plates 11 are made of ceramic fiber and can effectively reduce heat consumption, and the heat is effectively retained inside the furnace box. After the sintering work is completed, the mold embryo assembly 9 is pushed into the lower end of the axial flow fan 404 by the hydraulic cylinder 8. Through the continuous cold air provided by the axial flow fan 404, the sintered electrode rods are cooled. The return plate 403 is located at the lower end of the axial flow fan 404 to guide the flow of the cooling air and optimize the cooling effect.

[0046] The above shows and describes the basic principles of the present invention. The above is only the preferred embodiment of the present invention and is not intended to limit the present invention. The descriptions in the above embodiments and the specification only illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent replacements, and improvements made within the spirit and scope of the present invention shall be included in the protection scope of the present invention.

Claims

1. A welding rod high temperature sintering device, characterized in that: The invention comprises a sintering furnace body (1) and a pipe rail assembly (10) and a heating coil (12) used for welding rod sintering, wherein the pipe rail assembly (10) passes through one end of the center of the sintering furnace body (1), an external connection block (2) is installed on one side of the sintering furnace body (1), a sliding hole (13) is provided on one end of the lower surface of the inner wall of the pipe rail assembly (10), and the pipe rail assembly (10) comprises a first stainless steel delivery pipe (101) and a second stainless steel delivery pipe (102), wherein the first stainless steel delivery pipe (101) and the second stainless steel delivery pipe (102) are respectively located on two sides of the sintering furnace body (1), and a high-temperature alloy sealing pipe (103) is fixedly connected between the first stainless steel delivery pipe (101) and the second stainless steel delivery pipe (102); The first stainless steel delivery pipe (101) is located at one end inside the external block (2), a cooling assembly (4) is provided at one end of the second stainless steel delivery pipe (102), the high-temperature alloy sealing tube (103) is located inside the sintering furnace box (1), the heating coil (12) is located at one end outside the high-temperature alloy sealing tube (103), the other end of the heating coil (12) is connected to one side of the inner wall of the sintering furnace box (1), and an air inlet (7) is provided at one end of the upper surface of the sintering furnace box (1).

2. The welding rod high temperature sintering equipment according to claim 1, characterized in that: A mold body assembly (9) is slidably mounted in the sliding hole (13), and the mold body assembly (9) is made of graphite material. A hydraulic cylinder (8) is provided at one end of the center of the external block (2), and an extended end of the hydraulic cylinder (8) is connected to one end of the mold body assembly (9). An air outlet (3) is provided on one side of the sintering furnace box (1), and a blocking block (31) is inserted into the air outlet (3).

3. The welding rod high temperature sintering equipment according to claim 2, characterized in that: A hot air blower (5) is provided at the upper end of the sintering furnace box (1); an air outlet end of the hot air blower (5) is connected to an air supply pipe (6); the other end of the air supply pipe (6) is plugged into the sintering furnace box (1); and heat insulation boards (11) are fixedly installed on the upper and lower surfaces of the inner wall of the sintering furnace box (1); the heat insulation boards (11) are made of ceramic fiber.

4. The welding rod high temperature sintering equipment according to claim 3, characterized in that: The cooling assembly (4) comprises a ring block (401), wherein the ring block (401) is fixedly mounted on one end of the outer periphery of the second stainless steel conveying pipe (102), a connecting plate (402) is fixedly mounted on one end of the upper surface of the ring block (401), an axial flow fan (404) is provided on one end of the lower surface of the connecting plate (402), a return plate (403) is fixedly mounted on one end of the surface of the ring block (401), the return plate (403) is located at the lower end of the axial flow fan (404), and the return plate (403) is in a semicircular ring shape.

5. The welding rod high temperature sintering equipment according to claim 4, characterized in that: The mold blank assembly (9) comprises a sliding frame (901), the sliding frame (901) is slidably installed in the sliding hole (13), one end of the sliding frame (901) is fixedly connected to a heat insulation disk (902), the heat insulation disk (902) is the same size as the through hole in the pipe rail assembly (10), one end of the heat insulation disk (902) is provided with a socket (903), the extension end of the hydraulic cylinder (8) is fixedly connected to one end of the socket (903), a heat passage groove (906) is provided at one end of the inner wall center of the sliding frame (901), a welding rod bin (904) is detachably installed in the sliding frame (901), and the heat insulation disk (902) and the heat insulation board (11) are made of the same material.

6. The welding rod high temperature sintering equipment according to claim 5, characterized in that: Limit rods (905) are provided at both ends of the upper surface of the sliding frame (901), and limit holes (908) are provided at both ends of the welding rod bin (904). The limit rods (905) are inserted into the limit holes (908) so that the welding rod bin (904) can be installed in the sliding frame (901).

7. The welding rod high temperature sintering equipment according to claim 6, characterized in that: The welding rod bin (904) is provided with a plurality of welding rod-shaped grooves (910) for forming welding rod blanks for sintering. One end of the welding rod bin (904) is fittedly connected with a top cover (907). The center of one end of the top cover (907) is provided with a plurality of extrusion rods (909). The extrusion rods (909) can be inserted into the welding rod-shaped grooves (910).

8. The welding rod high temperature sintering equipment according to claim 7, characterized in that: A mating rod (911) is provided at one central end of the top cover (907), and a mating groove (912) is provided at one central end of the welding rod bin (904). The mating rod (911) and the mating groove (912) are matingly installed, and the top cover (907) can be inserted into the mating groove (912) through the mating rod (911) and then fit on one end of the surface of the welding rod bin (904).

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