Vacuum melting furnace for ballistic-resistant materials

Abstract

The application relates to the technical field of bulletproof material production, in particular to a vacuum smelting furnace for bulletproof material, which comprises a heat-insulating shell, a smelting furnace body is fixedly arranged at the inner bottom of the heat-insulating shell, a stirring assembly is arranged in the smelting furnace body, heating pipes are installed on the outer wall of the smelting furnace body, a vacuum pump is installed on the heat-insulating shell, and a lower hopper is arranged through the heat-insulating shell; a discharging assembly comprises a round rod and a flow dividing roller. The vacuum smelting furnace is provided with a discharging assembly and a material control assembly, can realize continuous and uniform automatic feeding operation, does not need to perform a vacuumizing operation again after feeding, improves production efficiency, can freely adjust the amount of single feeding, is convenient for accurate control, increases practicability, is further provided with a stirring assembly, can stir materials, and improves smelting efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of bulletproof material production, in particular to a bulletproof material vacuum melting furnace. Background Art

[0002] The vacuum melting furnace is an essential piece of equipment used in the production of bulletproof materials. It creates a low-pressure environment by extracting the air from the furnace, reducing or eliminating oxygen and other possible contaminants. In this environment, the metal can be melted at a lower temperature while reducing the mixing of oxidation and other impurities.

[0003] Most existing vacuum melting furnaces load all materials into the furnace at once. This approach introduces significant operational limitations during the melting process, particularly during the melting phase. Since the furnace is already in a high-temperature, vacuum state, adding additional material requires restarting the entire vacuum process, increasing operational complexity and significantly reducing overall production efficiency. Summary of the Invention

[0004] In view of the deficiencies in the prior art, the present invention provides a vacuum melting furnace for bulletproof materials.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] The vacuum melting furnace for bulletproof materials comprises: a heat-insulating outer shell, a melting furnace body is fixedly provided on the inner bottom of the heat-insulating outer shell, a stirring assembly is provided in the melting furnace body, a heating pipe is installed on the outer wall of the melting furnace body, a vacuum pump is installed on the heat-insulating outer shell, and a discharge hopper is penetrated by the heat-insulating outer shell; a discharge assembly, the discharge assembly comprises a round rod and a diverter roller, a support plate is fixedly provided on the heat-insulating outer shell, the round rod penetrates the support plate and is rotatably connected, the diverter roller is arranged in the discharge hopper, a plurality of collecting troughs are provided on the diverter roller, guide blocks are fixedly provided on the inner walls of both sides of the discharge hopper, the guide blocks are cooperated with the diverter roller, a rotating shaft is fixedly provided on one side of the diverter roller, the rotating shaft penetrates one side of the discharge hopper and is rotatably connected, a card slot is provided at the outer end of the rotating shaft, and a connecting assembly is provided between the rotating shaft and the round rod.

[0007] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: the stirring assembly includes a motor, a shaft and a stirring frame, the motor is fixedly installed on one side of the heat-insulating shell, one end of the shaft is fixedly set at the output end of the motor, a transmission assembly is arranged between the shaft and the round rod, the shaft passes through the heat-insulating shell and one side of the smelting furnace body and is rotatably connected, the other end of the shaft is rotatably connected to the inner side of the smelting furnace body, the stirring frame is set against the inner side of the smelting furnace body, and the shaft passes through both ends of the stirring frame and is fixed.

[0008] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: the connecting assembly includes a rectangular column, a rotating column, a spring, an electric telescopic rod and a mounting block, the rectangular column is fixedly arranged at one end of the round rod, a rectangular groove is provided on one side of the rotating column, the two ends of the spring are respectively fixedly arranged on the inner bottom of the rectangular groove and the rectangular column, one end of the rotating column is fixedly provided with a clamping block, a limit plate is fixedly sleeved on the rotating column, the electric telescopic rod passes through the support plate and is fixedly installed, the mounting block is fixedly arranged at the output end of the electric telescopic rod, and a clamping ball is embedded in one side of the mounting block and is slidably connected to it.

[0009] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: it also includes a material control component, which includes a sleeve, a threaded rod and a rotating block. The sleeve is slidably mounted on the diverter roller, and a plurality of blocks are fixedly arranged on the inner side of the sleeve. The plurality of blocks are respectively inserted into a plurality of aggregate troughs. The sleeve is movably arranged to pass through one side of the lower hopper, and one end of the threaded rod is rotatably connected to the outside of the sleeve. A fixed block is fixedly arranged on the heat-insulating outer shell, and the threaded rod passes through the fixed block and is threadedly connected to it, and the rotating block is fixedly arranged at the outer end of the threaded rod.

[0010] In order to better achieve the above purpose, the present invention adopts a further technical solution: the transmission assembly includes two sprockets and a chain, the two sprockets are fixedly mounted on the round rod and the shaft rod respectively, and the two sprockets are driven by the chain.

[0011] In order to better achieve the above purpose, the present invention adopts a further technical solution: the rectangular column is extended into the rectangular groove and slidably arranged, the clamping block is clamped into the clamping groove and arranged, and the clamping ball is arranged to abut against the limit plate.

[0012] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: the top of the lower hopper is rotatably connected to a sealing cover plate, the bottom of the sealing cover plate is provided with a sealing gasket, the sealing gasket is set against the top of the lower hopper, and a handle is fixedly provided on the top of the sealing cover plate.

[0013] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: legs are fixedly provided at the four corners of the bottom of the thermal insulation shell, brackets are fixedly provided between the four legs, a discharge pipe is provided through the bottom of the thermal insulation shell, and a valve is installed on the discharge pipe.

[0014] The advantages of the present invention are: a feeding component and a material control component are provided to realize continuous and uniform automatic feeding operation, without the need to re-perform the vacuum operation after feeding, thereby improving production efficiency, and the amount of single feeding can be freely adjusted, which is convenient for precise control and increases practicality. A stirring component is also provided to stir the material, thereby improving the efficiency of melting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 3D diagram of a vacuum melting furnace for bulletproof materials according to an embodiment of the present invention.

[0016] Figure 2 2. It is a cross-sectional view of the heat-insulating shell in the vacuum melting furnace for bulletproof materials according to an embodiment of the present invention.

[0017] Figure 3 2. It is a cross-sectional view of the lower hopper in the vacuum melting furnace for bulletproof materials according to an embodiment of the present invention.

[0018] Figure 4 This is a partially expanded view of the vacuum melting furnace for bulletproof materials according to an embodiment of the present invention.

[0019] Figure 5 2. It is a cross-sectional view of a rotating column in a vacuum melting furnace for bulletproof materials according to an embodiment of the present invention.

[0020] In the above drawings: 1 thermal insulation shell, 11 smelting furnace body, 12 heating tube, 13 vacuum pump, 14 discharge hopper, 15 sealing cover, 16 discharge pipe, 17 support leg, 2 stirring assembly, 21 motor, 22 shaft, 23 stirring frame, 3 discharge assembly, 31 round rod, 32 sprocket, 33 chain, 34 rotating shaft, 35 diverter roller, 36 collecting trough, 37 guide block, 38 support plate, 39 slot, 4 connecting assembly, 41 rectangular column, 42 rotating column, 43 limit plate, 44 spring, 45 electric telescopic rod, 46 mounting block, 47 card ball, 48 card block, 5 material control assembly, 51 sleeve, 52 block, 53 threaded rod, 54 fixed block, 55 rotating block. DETAILED DESCRIPTION

[0021] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0022] like Figure 1-Figure 5As shown, the bulletproof material vacuum melting furnace comprises: an insulating shell 1 with good thermal insulation effect, wherein the four corners of the bottom of the insulating shell 1 are fixedly provided with support legs 17, and a bracket is fixedly provided between the four support legs 17. The support legs 17 and the bracket are used to support the insulating shell 1. A vacuum pump 13 is installed on the insulating shell 1. The vacuum pump 13 is a prior art. Its exhaust pipe is fixedly provided through the top of the insulating shell 1 and is used to extract the gas in the insulating shell 1. A lower hopper 14 is provided through the insulating shell 1. The top of the lower hopper 14 is rotatably connected to a sealing cover plate 15. A sealing gasket is provided at the bottom of the sealing cover plate 15. The sealing gasket is set against the top of the lower hopper 14. The sealing cover plate 15 and the sealing gasket are set The pad seals the lower hopper 14, and a handle is fixedly provided on the top of the sealing cover 15, which facilitates opening the sealing cover 15; the inner bottom of the thermal insulation shell 1 is fixedly provided with a smelting furnace body 11, and the inner bottom of the smelting furnace body 11 is arranged in an arc shape. A discharge pipe 16 is provided through the bottom of the thermal insulation shell 1, and the discharge pipe 16 is used to discharge the molten liquid. A valve is installed on the discharge pipe 16, and a heating pipe 12 is installed on the outer wall of the smelting furnace body 11 for heating the smelting furnace body 11. A stirring assembly 2 is provided in the smelting furnace body 11, and the stirring assembly 2 includes a motor 21, a shaft 22 and a stirring frame 23. The motor 21 is fixedly mounted on one side of the thermal insulation shell 1, and one end of the shaft 22 is fixed to the side of the thermal insulation shell 1. The shaft 22 is fixedly arranged at the output end of the motor 21, and the shaft 22 passes through the heat-insulating shell 1 and is rotatably connected to one side of the smelting furnace body 11. The other end of the shaft 22 is rotatably connected to the inner side of the smelting furnace body 11, and the stirring frame 23 is set against the inner side of the smelting furnace body 11, so that the rotating stirring frame 23 can turn the material. At the same time, the stirring frame 23 can scrape off the material stuck to the inner wall of the smelting furnace body 11 to a certain extent. The shaft 22 passes through the two ends of the stirring frame 23 and is fixed; the blanking component 3, the blanking component 3 includes a round rod 31 and a diverter roller 35, a support plate 38 is fixedly arranged on the heat-insulating shell 1, the round rod 31 passes through the support plate 38 and is rotatably connected, and there is a A transmission assembly is provided, which includes two sprockets 32 and a chain 33. The two sprockets 32 are fixedly mounted on the round rod 31 and the shaft 22 respectively. The two sprockets 32 are driven by the chain 33. The diameter of the sprocket 32 ​​on the round rod 31 is larger than the diameter of the sprocket 32 ​​on the shaft 22, so that when the round rod 31 and the shaft 22 rotate at the same time, the rotation speed of the shaft 22 is relatively fast, thereby not affecting the stirring effect; a diverter roller 35 is arranged in the lower hopper 14, and a plurality of aggregate troughs 36 are provided on the diverter roller 35. The plurality of aggregate troughs 36 are evenly distributed. Guide blocks 37 are fixedly provided on the inner walls of both sides of the lower hopper 14. The guide blocks 37 are arranged in conjunction with the diverter roller 35. The inner sides of the two guide blocks 37 are as shown in FIG. Figure 3As shown, it is arranged in an arc shape and is arranged close to the diverter roller 35, so that the diverter roller 35 can rotate between the two guide blocks 37. A rotating shaft 34 is fixedly provided on one side of the diverter roller 35. The rotating shaft 34 passes through one side of the lower hopper 14 and is rotatably connected. A card slot 39 is provided at the outer end of the rotating shaft 34. A connecting component 4 is provided between the rotating shaft 34 and the round rod 31; the connecting component 4 includes a rectangular column 41, a rotating column 42, a spring 44, an electric telescopic rod 45 and a mounting block 46. The rectangular column 41 is fixedly provided at one end of the round rod 31, and a rectangular groove is provided on one side of the rotating column 42. The rectangular column 41 extends into the rectangular groove and is slidably provided so that the rectangular column 41 can The two ends of the spring 44 are respectively fixed on the inner bottom of the rectangular groove and the rectangular column 41. A clamping block 48 is fixed on one end of the rotating column 42. The clamping block 48 is inserted into the clamping slot 39. A limit plate 43 is fixed on the rotating column 42. The electric telescopic rod 45 passes through the support plate 38 and is fixedly installed. The mounting block 46 is fixedly set at the output end of the electric telescopic rod 45. A clamping ball 47 is embedded in one side of the mounting block 46 and is slidably connected thereto, so that the clamping ball 47 can rotate freely. The clamping ball 47 is set against the limit plate 43. When the limit plate 43 rotates, the clamping ball 47 can be driven to rotate, thereby reducing friction and extending service life.

[0023] It also includes a material control component 5, which includes a sleeve 51, a threaded rod 53 and a rotating block 55. The sleeve 51 is slidably mounted on the diverter roller 35. The sleeve 51 is arranged between the diverter roller 35 and the two guide blocks 37. A plurality of blocks 52 are fixedly arranged on the inner side of the sleeve 51. The plurality of blocks 52 are respectively inserted into the plurality of aggregate troughs 36, so that the blocks 52 can cover the corresponding aggregate troughs 36 to reduce the entry of materials. The sleeve 51 is movably arranged to pass through one side of the lower hopper 14, so that the lower hopper 14 can rotate and slide freely. One end of the threaded rod 53 is rotatably connected to the outside of the sleeve 51. A fixed block 54 is fixed on the heat-insulating shell 1. The threaded rod 53 passes through the fixed block 54 and is threadedly connected to it. The rotating block 55 is fixedly arranged on the outer end of the threaded rod 53, and the rotating block 55 can facilitate the rotation of the threaded rod 53.

[0024] When the present invention is used, the staff first pours the material into the discharge hopper 14. At this time, the material can fall into the collection trough 36 located above, and the sealing cover 15 is tightly closed. The heat insulation shell 1 is then vacuumed by the vacuum pump 13, and the smelting furnace body 11 is heated by the heating tube 12. Then the motor 21 can be started to discharge the material. When discharging, the motor 21 drives the round rod 31 to rotate through the shaft 22 and the chain 33. The round rod 31 can drive the rotating column 42 to rotate through the rectangular column 41. The rotating column 42 can drive the rotating shaft 34 and the diverter roller 35 to rotate through the clamping block 48. The diverter roller 35 can drive the material to move through the collection trough 36. When the collection trough 36 rotates to the bottom, the material in the collection trough 36 will fall into the smelting furnace body 11, and the cycle is carried out to realize the operation of automatic discharging and automatic feeding. When the amount of feeding needs to be adjusted, the threaded rod 53 is driven to rotate by the rotating block 55. 53 can drive the sleeve 51 to move, and the sleeve 51 can drive multiple blocks 52 to move in the corresponding collection troughs 36, adjust the volume of the multiple collection troughs 36 to accommodate the materials, and then adjust the amount of material discharged; when the material is sufficient and no material is needed, the mounting block 46 is driven to move by the electric telescopic rod 45, and the mounting block 46 drives the rotating column 42 to move through the limit plate 43, squeezing the spring 44 and separating the block 48 from the slot 39. At this time, the diverter roller 35 will not be driven to rotate, and thus will not continue to add material; if it is necessary to continue adding material, the mounting block 46 is driven to reset by the electric telescopic rod 45, so that the rotating column 42 and the block 48 are reset under the action of the spring 44, and the block 48 is stuck in the slot 39, and the diverter roller 35 can continue to rotate to perform the feeding operation; at the same time, the motor 21 can drive the stirring frame 23 to rotate through the shaft 22, and the rotating stirring frame 23 can turn the material over, thereby improving the melting efficiency.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. Bulletproof material vacuum melting furnace, characterized by: include: A heat-insulating shell (1), wherein a smelting furnace body (11) is fixedly provided on the inner bottom of the heat-insulating shell (1), a stirring assembly (2) is provided in the smelting furnace body (11), a heating pipe (12) is installed on the outer wall of the smelting furnace body (11), a vacuum pump (13) is installed on the heat-insulating shell (1), and a discharge hopper (14) is provided through the heat-insulating shell (1); a discharge assembly (3), wherein the discharge assembly (3) comprises a round rod (31) and a diverter roller (35), a support plate (38) is fixedly provided on the heat-insulating shell (1), the round rod (31) passes through the support plate (38) for rotational connection, and the diverter roller (35) is provided on the discharge hopper (14) ), a plurality of collecting troughs (36) are provided on the diverter roller (35), and guide blocks (37) are fixedly provided on the inner walls of both sides of the lower hopper (14), and the guide blocks (37) are arranged in cooperation with the diverter roller (35), and a rotating shaft (34) is fixedly provided on one side of the diverter roller (35), and the rotating shaft (34) passes through one side of the lower hopper (14) for rotational connection, and a card slot (39) is provided at the outer end of the rotating shaft (34), and a connecting assembly (4) is provided between the rotating shaft (34) and the round rod (31), and the connecting assembly (4) includes a rectangular column (41), a rotating column (42), a spring (44), an electric telescopic rod (45) and a mounting block ( 46), the rectangular column (41) is fixedly arranged at one end of the round rod (31), a rectangular groove is provided on one side of the rotating column (42), the two ends of the spring (44) are respectively fixedly arranged on the inner bottom of the rectangular groove and the rectangular column (41), one end of the rotating column (42) is fixedly provided with a clamping block (48), a limit plate (43) is fixedly sleeved on the rotating column (42), the electric telescopic rod (45) passes through the support plate (38) and is fixedly installed, the mounting block (46) is fixedly arranged at the output end of the electric telescopic rod (45), a clamping ball (47) is embedded on one side of the mounting block (46) and is slidably connected thereto, and also includes a material control component (5), the material control component The component (5) comprises a sleeve (51), a threaded rod (53) and a rotating block (55), wherein the sleeve (51) is slidably mounted on the diverter roller (35), a plurality of blocks (52) are fixedly arranged on the inner side of the sleeve (51), and the plurality of blocks (52) are respectively inserted into a plurality of collecting troughs (36), the sleeve (51) is movably arranged to penetrate one side of the lower hopper (14), one end of the threaded rod (53) is rotatably connected to the outer side of the sleeve (51), a fixed block (54) is fixedly arranged on the heat-insulating shell (1), the threaded rod (53) penetrates the fixed block (54) and is threadedly connected thereto, and the rotating block (55) is fixedly arranged on the outer end of the threaded rod (53).

2. The bulletproof material vacuum melting furnace according to claim 1, characterized in that: The stirring assembly (2) includes a motor (21), a shaft (22) and a stirring frame (23), wherein the motor (21) is fixedly mounted on one side of the heat-insulating shell (1), one end of the shaft (22) is fixedly arranged at the output end of the motor (21), a transmission assembly is arranged between the shaft (22) and the round rod (31), the shaft (22) passes through the heat-insulating shell (1) and is rotatably connected to one side of the smelting furnace body (11), the other end of the shaft (22) is rotatably connected to the inner side of the smelting furnace body (11), the stirring frame (23) is arranged to abut against the inner side of the smelting furnace body (11), and the shaft (22) passes through both ends of the stirring frame (23) and is fixedly arranged.

3. The bulletproof material vacuum melting furnace according to claim 2, characterized in that: The transmission assembly comprises two sprockets (32) and a chain (33). The two sprockets (32) are fixedly sleeved on the round rod (31) and the shaft rod (22), respectively. The two sprockets (32) are driven by the chain (33).

4. The bulletproof material vacuum melting furnace according to claim 1, characterized in that: The rectangular column (41) is extended into the rectangular groove and slidably arranged, the clamping block (48) is clamped into the clamping groove (39) and arranged, and the clamping ball (47) is arranged to abut against the limiting plate (43).

5. The bulletproof material vacuum melting furnace according to claim 1, characterized in that: The top of the lower hopper (14) is rotatably connected to a sealing cover plate (15), the bottom of the sealing cover plate (15) is provided with a sealing gasket, the sealing gasket is arranged to abut against the top of the lower hopper (14), and a handle is fixedly provided on the top of the sealing cover plate (15).

6. The bulletproof material vacuum melting furnace according to claim 1, characterized in that: Support legs (17) are fixedly provided at the four corners of the bottom of the heat-insulating shell (1), and brackets are fixedly provided between the four support legs (17). A discharge pipe (16) is provided through the bottom of the heat-insulating shell (1), and a valve is installed on the discharge pipe (16).

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