Vacuum melting furnace for bulletproof materials

Abstract

The invention relates to the technical field of bulletproof material production, in particular to a bulletproof material vacuum smelting furnace which comprises a heat insulation shell, a smelting furnace body is fixedly arranged at the inner bottom of the heat insulation shell, a stirring assembly is arranged in the smelting furnace body, and a heating pipe is installed on the outer wall of the smelting furnace body; a vacuum pump is installed on the heat insulation shell, and a discharging hopper is arranged on the heat insulation shell in a penetrating mode. And the discharging assembly comprises a round rod and a flow dividing roller. The feeding assembly and the material control assembly are arranged, continuous and uniform automatic feeding operation is achieved, vacuumizing operation does not need to be executed again after feeding, the production efficiency is improved, the single-time feeding amount can be freely adjusted, accurate control is facilitated, the practicability is improved, the stirring assembly is further arranged, materials can be stirred, and the production efficiency is improved. And the melting efficiency is improved.

Description

Technical Field

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

[0002] The vacuum melting furnace is a necessary equipment in the production process of bulletproof materials. It creates a low-pressure environment by extracting the air in 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 vacuum melting furnaces in the prior art put all the materials into the furnace at once. This method brings significant operational limitations during the melting process, especially in the melting stage. Since the furnace is already in a high temperature and vacuum state, if additional materials are added later, the entire vacuum processing process needs to be restarted, which not only increases the complexity of the operation, but also greatly reduces the 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: A vacuum melting furnace for bulletproof materials, comprising: a heat-insulating outer shell, a melting furnace body is fixedly arranged on the inner bottom of the heat-insulating outer shell, a stirring assembly is arranged in the melting furnace body, a heating tube is installed on the outer wall of the melting furnace body, a vacuum pump is installed on the heat-insulating outer shell, and a feeding hopper is penetrated through the heat-insulating outer shell; a feeding assembly, the feeding assembly comprises a round rod and a diverter roller, a support plate is fixedly arranged on the heat-insulating outer shell, the round rod penetrates the support plate and is rotatably connected, the diverter roller is arranged in the feeding hopper, a plurality of collecting troughs are arranged on the diverter roller, guide blocks are fixedly arranged on the inner walls of both sides of the feeding hopper, the guide blocks are arranged in cooperation with the diverter roller, a rotating shaft is fixedly arranged on one side of the diverter roller, the rotating shaft penetrates one side of the feeding hopper and is rotatably connected, a card slot is arranged on the outer end of the rotating shaft, and a connecting assembly is arranged between the rotating shaft and the round rod.

[0006] 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 fixedly set.

[0007] 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 arranged 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, a clamping block is fixedly arranged at one end of the rotating column, 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 with the clamping ball.

[0008] 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 material collecting troughs. The sleeve is movably arranged to penetrate one side of the lower hopper, and one end of the threaded rod is rotatably connected to the outer side of the sleeve. A fixed block is fixedly arranged on the heat-insulating outer shell, and the threaded rod penetrates the fixed block and is threadedly connected to the fixed block, and the rotating block is fixedly arranged on the outer end of the threaded rod.

[0009] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: the transmission assembly includes two sprockets and a chain, the two sprockets are fixedly sleeved on the round rod and the shaft rod respectively, and the two sprockets are driven by the chain.

[0010] In order to better achieve the above purpose, the present invention adopts a further technical solution: the rectangular column extends into the rectangular groove and is slidably arranged, the clamping block is clamped into the clamping groove and is arranged to abut against the limit plate.

[0011] 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 with 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 the top of the sealing cover plate is fixedly provided with a handle.

[0012] 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.

[0013] 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, and there is no 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

[0014] Figure 1 It is a three-dimensional diagram of the vacuum melting furnace for bulletproof materials described in an embodiment of the present invention.

[0015] Figure 2 It is a cross-sectional view of the heat-insulating shell in the vacuum melting furnace of the bullet-proof material described in the embodiment of the present invention.

[0016] Figure 3 It is a cross-sectional view of the lower hopper in the vacuum melting furnace for bulletproof materials described in an embodiment of the present invention.

[0017] Figure 4 It is a partial expanded view of the vacuum melting furnace for bulletproof materials described in an embodiment of the present invention.

[0018] Figure 5 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.

[0019] In the above drawings: 1 is an insulating shell, 11 is a smelting furnace body, 12 is a heating tube, 13 is a vacuum pump, 14 is a hopper, 15 is a sealing cover plate, 16 is a discharge pipe, 17 is a leg, 2 is a stirring assembly, 21 is a motor, 22 is a shaft, 23 is a stirring frame, 3 is a feeding assembly, 31 is a round rod, 32 is a sprocket, 33 is a chain, 34 is a rotating shaft, 35 is a diverter roller, 36 is a collecting trough, 37 is a guide block, 38 is a support plate, 39 is a slot, 4 is a connecting assembly, 41 is a rectangular column, 42 is a rotating column, 43 is a limit plate, 44 is a spring, 45 is an electric telescopic rod, 46 is a mounting block, 47 is a card ball, 48 is a card block, 5 is a material control assembly, 51 is a sleeve, 52 is a block, 53 is a threaded rod, 54 is a fixed block, and 55 is a rotating block. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] like Figure 1-Figure 5As shown, a bulletproof material vacuum melting furnace comprises: an insulating shell 1 having a good thermal insulation effect, wherein legs 17 are fixedly arranged at the four corners of the bottom of the insulating shell 1, and brackets are fixedly arranged between the four legs 17, and the legs 17 and the brackets are used to support the insulating shell 1, and a vacuum pump 13 is installed on the insulating shell 1, and the vacuum pump 13 is a prior art, and its exhaust pipe passes through the top of the insulating shell 1 and is fixedly arranged to extract the gas in the insulating shell 1, and a lower hopper 14 is passed through the insulating shell 1, and a sealing cover plate 15 is rotatably connected to the top of the lower hopper 14, and a sealing gasket is arranged at the bottom of the sealing cover plate 15, and the sealing gasket is set against the top of the lower hopper 14, and the sealing cover plate 15 and the sealing gasket are arranged to be abutted against the top of the lower hopper 14, and the sealing cover plate 15 and the sealing gasket are arranged to be abutted against the top of the lower hopper 14. The pad seals the lower hopper 14, and a handle is fixedly provided on the top of the sealing cover plate 15, which is convenient for opening the sealing cover plate 15; a smelting furnace body 11 is fixedly provided on the inner bottom of the heat-insulating shell 1, and the inner bottom of the smelting furnace body 11 is arranged in an arc shape, and a discharge pipe 16 is provided through the bottom of the heat-insulating shell 1, and the discharge pipe 16 is used to discharge the molten metal, and 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, and a stirring assembly 2 is arranged in the smelting furnace body 11, and the stirring assembly 2 includes a motor 21, a shaft rod 22 and a stirring frame 23, and the motor 21 is fixedly installed on one side of the heat-insulating shell 1, and one end of the shaft rod 22 is provided. 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. 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 adhering to the inner wall of the smelting furnace body 11 to a certain extent. The shaft 22 passes through both ends of the stirring frame 23 and is fixedly arranged; the material discharge component 3, the material discharge 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 a support plate 38 is fixedly arranged between the shaft 22 and the round rod 31. A transmission assembly is provided, and the transmission assembly includes 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, and the two sprockets 32 are transmitted through 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 rod 22, so that when the round rod 31 and the shaft rod 22 rotate at the same time, the rotation speed of the shaft rod 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 arranged on the diverter roller 35, and the plurality of aggregate troughs 36 are evenly distributed. Guide blocks 37 are fixedly arranged 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. The inner sides of the two guide blocks 37 are as shown in FIG. Figure 3As shown, the diverter roller 35 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 arranged 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 arranged on the outer end of the rotating shaft 34. A connecting component 4 is arranged 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 arranged at one end of the round rod 31, and a rectangular groove is arranged on one side of the rotating column 42. The rectangular column 41 extends into the rectangular groove and is slidably arranged so that the rectangular column 41 can be The electric telescopic rod 45 is fixedly mounted on the support plate 38, and the mounting block 46 is fixedly mounted on the output end of the electric telescopic rod 45. A card ball 47 is embedded in one side of the mounting block 46 and is slidably connected thereto, so that the card ball 47 can rotate freely. The card ball 47 is arranged against the limit plate 43. When the limit plate 43 rotates, the card ball 47 can be driven to rotate, thereby reducing friction and extending service life.

[0022] 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, and 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 a 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 penetrate 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 outer side of the sleeve 51. A fixed block 54 is fixedly arranged on the heat-insulating outer shell 1. The threaded rod 53 penetrates the fixed block 54 and is threadedly connected thereto. 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.

[0023] When the present invention is used, the staff first pours the material into the discharge hopper 14, at which time the material can fall into the collection trough 36 located above, and the sealing cover plate 15 is tightly closed, and then the heat insulation shell 1 is evacuated by the vacuum pump 13, and then the smelting furnace body 11 is heated by the heating tube 12, and then the motor 21 can be started to discharge the material; when discharging the material, the motor 21 drives the round rod 31 to rotate through the shaft rod 22 and the chain 33, and the round rod 31 can drive the rotating column 42 to rotate through the rectangular column 41, and the rotating column 42 can drive the rotating shaft 34 and the diverter roller 35 to rotate through the clamping block 48, and the diverter roller 35 can drive the material to move through the collection trough 36, and 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, and the threaded rod 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 discharge; when the material is sufficient and no feeding is needed, the electric telescopic rod 45 drives the mounting block 46 to move, and the mounting block 46 drives the rotating column 42 to move through the limit plate 43, squeezes the spring 44, and separates the block 48 from the slot 39. At this time, the diverter roller 35 will not be driven to rotate, and then the feeding will not continue; if it is necessary to continue feeding, the electric telescopic rod 45 drives the mounting block 46 to reset, 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 be driven to rotate for 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 to improve the melting efficiency.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. 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 solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. Bulletproof material vacuum melting furnace, characterized in that: include: A heat-insulating shell (1), a smelting furnace body (11) is fixedly arranged on the inner bottom of the heat-insulating shell (1), a stirring assembly (2) is arranged 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 material discharge hopper (14) is arranged through the heat-insulating shell (1); a material discharge assembly (3), the material discharge assembly (3) comprises a round rod (31) and a diverter roller (35), a support plate (38) is fixedly arranged on the heat-insulating shell (1), and the round rod (31) passes through the support plate (38 ) is rotatably connected, the diverter roller (35) is arranged in the lower hopper (14), a plurality of collecting grooves (36) are arranged on the diverter roller (35), guide blocks (37) are fixedly arranged on the inner walls of both sides of the lower hopper (14), the guide blocks (37) and the diverter roller (35) are arranged in cooperation, a rotating shaft (34) is fixedly arranged 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 clamping groove (39) is arranged on the outer end of the rotating shaft (34), and a connecting component (4) is arranged between the rotating shaft (34) and the round rod (31).

2. The bulletproof material vacuum melting furnace according to claim 1, characterized in that: The stirring assembly (2) comprises a motor (21), a shaft (22) and a stirring frame (23); 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 one side of the smelting furnace body (11) for rotational connection; the other end of the shaft (22) is rotationally 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); the shaft (22) passes through both ends of the stirring frame (23) for rotational connection.

3. The bulletproof material vacuum melting furnace according to claim 1, characterized in that: The connecting assembly (4) comprises 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 arranged on one side of the rotating column (42); two ends of the spring (44) are respectively fixedly arranged at the inner bottom of the rectangular groove and on the rectangular column (41); a clamping block (48) is fixedly arranged at one end of the rotating column (42); a limiting plate (43) is fixedly sleeved on the rotating column (42); the electric telescopic rod (45) penetrates 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 in one side of the mounting block (46) and is slidably connected to the mounting block (46).

4. The bulletproof material vacuum melting furnace according to claim 1, characterized in that: The material control assembly (5) further comprises a material control assembly (5), the material control assembly (5) comprising a sleeve (51), a threaded rod (53) and a rotating block (55); the sleeve (51) is slidably sleeved on the diverter roller (35); a plurality of stoppers (52) are fixedly arranged on the inner side of the sleeve (51); the plurality of stoppers (52) are respectively inserted into a plurality of material 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 outer 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).

5. 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 respectively fixedly sleeved on the round rod (31) and the shaft rod (22); and the two sprockets (32) are driven by the chain (33).

6. The bulletproof material vacuum melting furnace according to claim 3, 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).

7. 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).

8. 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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