Molten aluminum filtering and degassing equipment for aluminum casting machining

Abstract

The invention discloses molten aluminum filtering and degassing equipment for aluminum casting machining, and belongs to the technical field of molten aluminum filtering, the molten aluminum filtering and degassing equipment comprises a moving frame, the moving frame is slidably provided with a degassing and deslagging assembly and a slag salvaging assembly in the vertical direction, and the degassing and deslagging assembly comprises a mounting plate; a main shaft, a motor I and a gas supply system for controlling supply and flow of inert gas are mounted on the mounting plate, the top end of the main shaft is coaxially and fixedly connected with the output end of the motor I, and a graphite rotor is mounted at the bottom end of the main shaft; the slag salvaging assembly comprises a mounting rod, a baffle is fixed to the peripheral face of the mounting rod, a pushing frame is rotationally mounted on the mounting rod, the side face of the baffle and the side face of the pushing frame can be attached to the inner wall of the aluminum pot, a filter screen used for salvaging slag is arranged in the pushing frame, and the pushing frame can abut against the baffle. The slag salvaging device has the effects of being high in slag salvaging efficiency and good in slag salvaging efficiency.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of molten aluminum filtering, and in particular to a molten aluminum filtering and degassing device for aluminum casting processing. BACKGROUND

[0002] With the wide application of aluminum alloy materials in aerospace, automobile manufacturing, construction and electronic industry, the processing quality of aluminum castings is crucial to the performance of the final product. In the production process of aluminum castings, the purity of the molten aluminum directly affects the mechanical properties, appearance quality and service life of the castings. In order to ensure the quality of aluminum castings, the molten aluminum filtering and degassing technology has become a key link in the casting industry.

[0003] The molten aluminum often contains various impurities such as oxides, gases and slag, which can form pores, inclusions and other defects in the casting process, affecting the strength and quality of the aluminum castings. Molten aluminum filtering is an effective method for removing solid impurities in the molten aluminum, and a degassing and slag removal machine is usually used for filtering the molten aluminum. However, after the impurities in the molten aluminum float to the surface under the action of the degassing and slag removal machine, manual salvage of the impurities on the surface of the molten aluminum is usually required, and the salvage efficiency is low. SUMMARY

[0004] In order to improve the low salvage efficiency of the molten aluminum after slag removal, the application provides a molten aluminum filtering and degassing device for aluminum casting processing.

[0005] The molten aluminum filtering and degassing device for aluminum casting processing provided by the application adopts the following technical scheme: A molten aluminum filtering and degassing device for aluminum casting processing, comprising a moving frame, a degassing and slag removal assembly and a slag salvage assembly are vertically slidably installed on the moving frame, the degassing and slag removal assembly comprises a mounting plate, a main shaft, a motor one and a gas supply system for controlling the supply and flow of inert gas are installed on the mounting plate, the top end of the main shaft is coaxially fixedly connected with the output end of the motor one, and a graphite rotor is installed at the bottom end of the main shaft; the slag salvage assembly comprises a mounting rod, a baffle is fixedly arranged on the outer circumferential surface of the mounting rod, a pushing frame is rotatably installed on the mounting rod, the side surface of the baffle and the side surface of the pushing frame are both capable of being in close contact with the inner wall of the aluminum tank, a filter screen for salvaging slag is arranged in the pushing frame, and the pushing frame is capable of abutting against the baffle.

[0006] By adopting the above technical scheme, the graphite rotor is moved downward into the aluminum tank, the motor rotates the graphite rotor through the main shaft, the graphite rotor blows inert gas into the aluminum liquid and breaks it into a large number of dispersed bubbles, the bubbles absorb hydrogen in the aluminum liquid and adsorb oxidized inclusions according to the gas partial pressure difference and surface adsorption principle, and then are taken out of the surface of the aluminum liquid by floating with the bubbles, the mounting rod is then moved downward into the aluminum tank, the side surface of the baffle is attached to the side surface of the aluminum tank, the push frame is rotated along the circumference of the mounting rod, the filter screen collects the impurities on the surface of the aluminum liquid, and after the push frame rotates one circle, the push frame abuts against the baffle, so that the impurities on the surface of the aluminum liquid are gathered between the filter screen and the baffle, the efficiency of the slag collecting is high and good.

[0007] Preferably, a vertical driving screw is rotatably installed on the moving frame, a second motor is installed on the moving frame, an output end of the second motor is coaxially and fixedly connected with a top end of the driving screw, the mounting plate is sleeved with the outer periphery of the driving screw, the mounting plate is in threaded transmission cooperation with the driving screw, a mounting ring is fixedly arranged on the bottom surface of the mounting plate, an adjusting ring is sleeved with the outer periphery of the mounting ring, the adjusting ring is rotatably connected with the mounting ring, a horizontally arranged adjusting rod is fixedly arranged on the outer side surface of the adjusting ring, a vertical rod is fixedly arranged on the bottom surface of the adjusting rod, and the bottom end of the vertical rod is hingedly connected with the mounting rod.

[0008] By adopting the above technical scheme, the second motor is started, the second motor drives the driving screw to rotate, the driving screw drives the mounting plate and the adjusting ring to move vertically, and the gas and slag removing assembly and the slag collecting assembly are vertically moved, when the gas and slag removing assembly and the slag collecting assembly are not working, the gas and slag removing assembly and the slag collecting assembly are close to each other, so as to reduce the occupied space of the equipment, when the gas and slag removing assembly works, the adjusting ring is rotated, so that the mounting rod is located outside the aluminum tank, so as to facilitate the graphite rotor to remove the gas and slag from the aluminum liquid, and when the slag collecting assembly works, the gas and slag removing assembly is located outside the aluminum tank.

[0009] Preferably, a positioning groove is arranged on the outer periphery of the adjusting ring, a positioning block is slidably installed on the adjusting ring along the radial direction of the adjusting ring through the positioning groove, a plurality of mounting grooves are arranged on the outer periphery of the mounting ring, the mounting grooves are equidistantly arranged along the circumference of the mounting ring, the positioning block can be inserted into the mounting grooves, a sliding block is fixedly arranged on the side surface of the positioning block, a sliding groove is arranged on the inner wall of the positioning groove, the sliding block is slidably connected with the adjusting ring along the radial direction of the adjusting ring, a first spring is fixedly arranged on the side surface of the sliding block away from the mounting ring, and one end of the first spring away from the sliding block is fixedly connected with the inner wall of the sliding groove.

[0010] By adopting the above technical scheme, the positioning block can be inserted into the mounting groove under the elastic force of the first spring, so that the adjusting ring and the mounting ring are clamped and fixed, so that the gas and slag removing assembly and the slag collecting assembly are relatively fixed, and the operation stability of the equipment is improved.

[0011] Preferably, the bottom end of the vertical rod is rotatably installed with a rotating rod, the top end of the installation rod is sleeved with a fixing ring on the outer periphery of the rotating rod, the outer periphery of the vertical rod is fixed with a cylinder, the bottom end of the piston rod of the cylinder is fixed with a rack, the outer periphery of the rotating rod is sleeved with a gear, and the gear is in meshing connection with the rack.

[0012] By adopting the above technical scheme, the installation rod is in a horizontal state when moving downward into the aluminum pot, so as to facilitate the smooth entry of the pushing frame and the baffle into the aluminum pot, then the cylinder is started, the cylinder drives the rack to move vertically, the rack drives the gear to rotate, the gear drives the installation rod to rotate to a vertical state through the rotating rod, and then the position of the installation rod is adjusted, so that the installation rod is located at the central axis position of the aluminum pot, and the pushing frame and the baffle are attached to the inner wall of the aluminum pot.

[0013] Preferably, the bottom end of the installation rod is rotatably installed with a rotating block, the rotating block is fixedly connected with the pushing frame, and the installation rod is provided with a third motor, and the output end of the third motor is rotatably connected with the top surface of the rotating block.

[0014] By adopting the above technical scheme, the third motor is started, the third motor drives the rotating block to rotate, and the rotating block drives the pushing frame to rotate, so as to facilitate the pushing frame to salvage sundries on the surface of the aluminum liquid.

[0015] Preferably, the pushing frame comprises two pushing plates, an abutting rod is fixed between the two pushing plates, the abutting rod can be attached to the baffle, a clamping groove is formed in the opposite inner side of each of the two pushing plates, a clamping block is slidably installed in the clamping groove along the width direction of the pushing plate, and a clamping groove for inserting the clamping block is formed in the side surface of the baffle.

[0016] By adopting the above technical scheme, when the pushing frame is attached to the baffle again after rotating one circle, the abutting rod is attached to the other side of the baffle, the clamping block is inserted into the clamping groove, so that the pushing frame is tightly attached to the baffle, and the sundries in the filter screen are not easy to fall off.

[0017] Preferably, a second spring is fixed to the side surface of the clamping block away from the baffle, one end of the second spring away from the clamping block is fixedly connected with the inner wall of the clamping groove, and an inclined surface one is arranged on the bottom surface of the clamping block, and the inclined surface one is located on the side of the clamping block away from the abutting rod.

[0018] When the pushing plate is located in the original position, the clamping block extends out of the clamping groove under the elastic force of the second spring, and the clamping block is attached to the side surface of the baffle, after the pushing plate rotates one circle, the inclined surface one is abutted with the other side of the baffle, so that the clamping block moves to the clamping groove, when the abutment rod is attached to the baffle, the clamping block is aligned with the clamping groove, and the clamping block is inserted into the clamping groove under the elastic force of the second spring, so that the baffle is clamped and fixed with the pushing plate.

[0019] Preferably, the side surface of the pushing plate is provided with a pushing groove in communication with the clamping groove, the pushing plate is slidably installed with a pushing block along the width direction of the pushing plate through the pushing groove, the side surface of the clamping block is provided with a carry-in through groove for inserting the pushing block, and the inner top surface of the carry-in through groove is provided with an inclined surface two, and the side surface of the pushing block is provided with an inclined surface three for abutting with the inclined surface two.

[0020] Through the above technical scheme, after the slag salvaging assembly takes out sundries from the aluminum pot, the pushing block is moved towards the direction close to the clamping block, the pushing block is abutted with the inclined surface two and the inclined surface three, and then the clamping block is moved towards the direction away from the baffle, so that the clamping block is separated from the clamping groove, and the pushing frame is rotated again to separate the pushing frame from the baffle, so as to take out the sundries from the filter screen.

[0021] Preferably, the side surface of the pushing block is fixed with a reset block, the inner wall of the pushing groove is provided with a reset groove, the reset block is slidably matched with the pushing plate along the width direction of the pushing plate through the reset groove, the side surface close to the clamping block of the reset block is fixed with a third spring, and one end of the third spring away from the reset block is fixedly connected with the inner wall of the reset groove.

[0022] Through the above technical scheme, the reset block is located away from the clamping block under the elastic force of the third spring, so as to reduce the probability of accidental contact between the pushing block and the clamping block.

[0023] In summary, the present application has at least one of the following beneficial technical effects: 1. The graphite rotor is moved downwards into the aluminum pot, the motor one rotates the graphite rotor through the main shaft, the graphite rotor blows inert gas into the aluminum liquid and breaks into a large number of dispersed bubbles, the bubbles absorb hydrogen in the aluminum liquid and adsorb oxidized inclusions according to the gas partial pressure difference and surface adsorption principle, and then are taken out of the surface of the aluminum liquid with the bubbles, then the installation rod is moved downwards into the aluminum pot, the side surface of the baffle is attached to the side surface of the aluminum pot, the pushing frame rotates along the circumference of the installation rod, the filter screen collects sundries on the surface of the aluminum liquid, the pushing frame is abutted with the baffle after rotating one circle, so that the sundries on the surface of the aluminum liquid are gathered between the filter screen and the baffle, and the slag salvaging efficiency is high and good; 2. Start motor two, motor two drives the driving screw to rotate, the driving screw drives the mounting plate and the adjusting ring to move vertically, and then the vertical movement of the degassing and slag removal assembly and the slag removal assembly is realized. When the degassing and slag removal assembly and the slag removal assembly are not working, the degassing and slag removal assembly and the slag removal assembly are close to each other, thereby reducing the occupied space of the equipment. When the degassing and slag removal assembly works, rotate the adjusting ring, so that the mounting rod is located outside the aluminum pot, so as to facilitate the graphite rotor to degas and remove slag of the aluminum liquid. When the slag removal assembly works, the degassing and slag removal assembly is located outside the aluminum pot. 3. When the mounting rod moves downward into the aluminum pot, it is in a horizontal state, so as to facilitate the push frame and the baffle to smoothly enter the aluminum pot. Then start the air cylinder, the air cylinder drives the rack to move vertically, the rack drives the gear to rotate, the gear drives the mounting rod to rotate to a vertical state through the rotating rod, and then adjust the position of the mounting rod, so that the mounting rod is located at the center axis position of the aluminum pot, so that the push frame and the baffle are attached to the inner wall of the aluminum pot. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the overall structure schematic diagram of the aluminum liquid filtering and degassing equipment for aluminum casting processing.

[0025] Figure 2 It is the structure schematic diagram of the degassing and slag removal assembly in the aluminum liquid filtering and degassing equipment for aluminum casting processing when working.

[0026] Figure 3 It is the sectional view of the adjusting ring in the aluminum liquid filtering and degassing equipment for aluminum casting processing.

[0027] Figure 4 It is the structure schematic diagram of the vertical rod and the mounting rod in the aluminum liquid filtering and degassing equipment for aluminum casting processing.

[0028] Figure 5 It is the structure schematic diagram of the push frame and the baffle in the aluminum liquid filtering and degassing equipment for aluminum casting processing.

[0029] Figure 6 It is Figure 5 The enlarged schematic diagram of A in FIG. 6.

[0030] Figure 7 It is the structure schematic diagram of the clamping block and the push block in the aluminum liquid filtering and degassing equipment for aluminum casting processing.

[0031] : 1, moving frame; 11, drive screw; 12, motor two; 13, moving plate; 14, moving wheel; 15, guide rail; 2, degassing and deslagging assembly; 21, mounting plate; 211, mounting ring; 212, mounting groove; 22, main shaft; 23, motor one; 24, graphite rotor; 3, deslagging assembly; 31, adjusting ring; 32, adjusting rod; 33, vertical rod; 331, rotating rod; 332, air cylinder; 333, rack; 334, gear; 34, positioning groove; 35, positioning block; 36, sliding block; 37, sliding groove; 38, spring one; 4, mounting rod; 41, baffle; 411, clamping groove; 42, rotating block; 43, motor three; 5, pushing frame; 51, pushing plate; 52, abutting rod; 53, filter screen; 6, clamping block; 61, clamping groove; 62, spring two; 63, inclined surface one; 64, carry-on through groove; 65, inclined surface two; 7, pushing block; 71, pushing groove; 72, inclined surface three; 73, reset block; 74, reset groove; 75, spring three. DETAILED DESCRIPTION

[0032] The following will be described in detail below with reference to the accompanying drawings. Figures 1-7 The application is further described in detail.

[0033] The application discloses an aluminum liquid filtering and degassing equipment for aluminum casting processing. Figure 1 and Figure 2 The aluminum liquid filtering and degassing equipment for aluminum casting processing comprises a moving frame 1, and a degassing and deslagging assembly 2 and a deslagging assembly 3 are vertically slidably arranged on the moving frame 1. The moving frame 1 comprises a moving plate 13, and moving wheels 14 are arranged on the bottom of the moving plate 13. A vertical guide rail 15 is fixed to the top surface of the moving plate 13, the degassing and deslagging assembly 2 comprises a mounting plate 21, and the mounting plate 21 is vertically slidably arranged on the guide rail 15. A vertical drive screw 11 is rotatably arranged on the top surface of the moving plate 13, a motor two 12 is arranged on the top of the guide rail 15, and the output end of the motor two 12 is coaxially and fixedly connected with the top end of the drive screw 11. The mounting plate 21 is sleeved on the outer periphery of the drive screw 11, and the mounting plate 21 is threadedly and drivingly connected with the drive screw 11. A main shaft 22, a motor one 23 and a gas supply system for controlling the supply and flow of inert gas are arranged on the mounting plate 21. The top end of the main shaft 22 is coaxially and fixedly connected with the output end of the motor one 23, and a graphite rotor 24 is arranged on the bottom end of the main shaft 22.

[0034] The graphite rotor 24 is moved downwardly into an aluminum tank, the motor one 23 drives the graphite rotor 24 to rotate through the main shaft 22, the graphite rotor 24 blows inert gas into the aluminum liquid and breaks the inert gas into a large number of dispersed bubbles, the bubbles absorb hydrogen in the aluminum liquid and adsorb oxidized inclusions according to the gas partial pressure difference and surface adsorption principle, and then the bubbles are taken out to the surface of the aluminum liquid.

[0035] Refer to Figure 2 and Figure 3The bottom surface of the mounting plate 21 is fixedly provided with a mounting ring 211, the outer circumferential surface of the mounting ring 211 is sleeved with an adjusting ring 31, and the adjusting ring 31 is rotationally connected with the mounting ring 211. The outer side surface of the adjusting ring 31 is fixedly provided with a horizontally arranged adjusting rod 32, the bottom surface of the adjusting rod 32 is fixedly provided with a vertical rod 33, and the bottom end of the vertical rod 33 is rotationally provided with a rotating rod 331. The slag salvaging assembly 3 comprises a mounting rod 4, and the top end of the mounting rod 4 is sleeved and fixed to the outer periphery of the rotating rod 331. The outer circumferential surface of the adjusting ring 31 is provided with a positioning groove 34, and the adjusting ring 31 is slidably provided with a positioning block 35 along the radial direction of the adjusting ring 31 through the positioning groove 34. The outer circumferential surface of the mounting ring 211 is provided with a plurality of mounting grooves 212, and the plurality of mounting grooves 212 are equidistantly arranged along the circumferential direction of the mounting ring 211. The positioning block 35 can be inserted into the mounting grooves 212. The side surface of the positioning block 35 is fixedly provided with a sliding block 36, the inner wall of the positioning groove 34 is provided with a sliding groove 37, and the sliding block 36 is slidably matched with the adjusting ring 31 along the radial direction of the adjusting ring 31 through the sliding block 36. The side surface of the sliding block 36 away from the mounting ring 211 is fixedly provided with a spring 38, and one end of the spring 38 away from the sliding block 36 is fixedly connected with the inner wall of the sliding groove 37.

[0036] The positioning block 35 can be inserted into the mounting grooves 212 under the elastic force of the spring 38, so that the adjusting ring 31 is clamped and fixed with the mounting ring 211, thereby keeping the gas and slag removing assembly 2 and the slag salvaging assembly 3 relatively fixed, improving the operation stability of the equipment. When the gas and slag removing assembly 2 and the slag salvaging assembly 3 are not working, the gas and slag removing assembly 2 and the slag salvaging assembly 3 are close to each other, thereby reducing the occupied space of the equipment. When the gas and slag removing assembly 2 is working, the adjusting ring 31 is rotated, so that the mounting rod 4 is located outside the aluminum pot, thereby facilitating the graphite rotor 24 to remove gas and slag from the aluminum liquid.

[0037] Referring to Figure 4 and Figure 5 The outer circumferential surface of the vertical rod 33 is fixedly provided with a gas cylinder 332, and the piston rod of the gas cylinder 332 is fixedly provided with a rack 333. The outer periphery of the rotating rod 331 is sleeved and fixedly provided with a gear 334, and the gear 334 is meshed with the rack 333. The bottom end of the mounting rod 4 is rotationally provided with a rotating block 42, and the mounting rod 4 is provided with a motor three 43. The output end of the motor three 43 is rotationally connected with the top surface of the rotating block 42. The outer circumferential surface of the mounting rod 4 is fixedly provided with a baffle 41, the outer circumferential surface of the rotating block 42 is fixedly provided with a pushing frame 5, and the side surface of the baffle 41 and the side surface of the pushing frame 5 can be in close contact with the inner wall of the aluminum pot. The pushing frame 5 is provided with a filter screen 53 for salvaging slag, and the pushing frame 5 can abut against the baffle 41.

[0038] The installation rod 4 is in a horizontal state when moving downward into the aluminum pot, so as to facilitate the smooth entry of the pushing frame 5 and the baffle 41 into the aluminum pot, and then the air cylinder 332 is started to drive the rack 333 to move vertically, the rack 333 drives the gear 334 to rotate, the gear 334 drives the installation rod 4 to rotate to a vertical state through the rotating rod 331, and then the position of the installation rod 4 is adjusted, so that the installation rod 4 is located at the central axis position of the aluminum pot, the side surface of the baffle 41 is attached to the side surface of the aluminum pot, the pushing frame 5 rotates along the circumference of the installation rod 4, and the filter screen 53 collects the impurities on the surface of the aluminum liquid. After the pushing frame 5 rotates one circle and abuts against the baffle 41, the impurities on the surface of the aluminum liquid are gathered between the filter screen 53 and the baffle 41, so that the efficiency of the slag collecting is high and good.

[0039] With reference to Figure 5 , Figure 6 and Figure 7 , the pushing frame 5 comprises two pushing plates 51, and an abutting rod 52 is fixed between the two pushing plates 51 and can be attached to the baffle 41. The opposite inner sides of the two pushing plates 51 are respectively provided with clamping grooves 61, the pushing plate 51 is slidably installed with a clamping block 6 along the width direction of the pushing plate 51 through the clamping groove 61, and the side surface of the baffle 41 is provided with a clamping groove 411 for inserting the clamping block 6. The side surface of the clamping block 6 away from the baffle 41 is fixed with a spring 62, and the end of the spring 62 away from the clamping block 6 is fixedly connected with the inner wall of the clamping groove 61. The bottom surface of the clamping block 6 is provided with an inclined surface 63 located on the side of the clamping block 6 away from the abutting rod 52.

[0040] When the pushing plate 51 is in place, the clamping block 6 protrudes out of the clamping groove 61 under the elastic force of the spring 62, and the clamping block 6 is attached to the side surface of the baffle 41. After the pushing plate 51 rotates one circle, the inclined surface 63 abuts against the other side of the baffle 41, so that the clamping block 6 moves into the clamping groove 61. When the abutting rod 52 is attached to the baffle 41, the clamping block 6 is aligned with the clamping groove 411, and the clamping block 6 is inserted into the clamping groove 411 under the elastic force of the spring 62, so that the baffle 41 is clamped and fixed with the pushing plate 51.

[0041] With reference to Figure 6 and Figure 7The side surface of the pushing plate 51 is provided with a pushing groove 71 communicated with the clamping groove 61, and the pushing plate 51 is slidably installed with the pushing block 7 through the pushing groove 71 along the width direction of the pushing plate 51. The side surface of the clamping block 6 is provided with a carry-in through groove 64 for inserting the pushing block 7, and the inner top surface of the carry-in through groove 64 is provided with a second inclined surface 65, and the side surface of the pushing block 7 is provided with a third inclined surface 72 for abutting with the second inclined surface 65. The side surface of the pushing block 7 is fixed with a reset block 73, and the inner wall of the pushing groove 71 is provided with a reset groove 74, and the reset block 73 is slidably matched with the pushing plate 51 through the reset groove 74 along the width direction of the pushing plate 51. The side surface of the reset block 73 close to the clamping block 6 is fixed with a third spring 75, and the end of the third spring 75 away from the reset block 73 is fixedly connected with the inner wall of the reset groove 74.

[0042] After the slag assembly 3 takes out the sundries from the aluminum pot, the pushing block 7 is moved towards the direction close to the clamping block 6, the pushing block 7 abuts with the second inclined surface 65 and the third inclined surface 72, and then pushes the clamping block 6 to move towards the direction away from the baffle 41, so that the clamping block 6 is separated from the clamping groove 411, and then the pushing frame 5 is rotated to separate the pushing frame 5 from the baffle 41, so as to take out the sundries from the filter screen 53.

[0043] The implementation principle of the aluminum liquid filtering and degassing equipment for aluminum casting processing in the embodiment of the application is as follows: the graphite rotor 24 is moved downwards into the aluminum pot, the motor one 23 rotates the graphite rotor 24 through the main shaft 22, the graphite rotor 24 blows inert gas into the aluminum liquid and breaks it into a large number of dispersed bubbles, the bubbles absorb hydrogen in the aluminum liquid and adsorb oxidized inclusions according to the gas partial pressure difference and the surface adsorption principle, and then are taken out to the surface of the aluminum liquid with the bubbles, then the mounting rod 4 is moved downwards into the aluminum pot, the side surface of the baffle 41 is attached to the side surface of the aluminum pot, the pushing frame 5 is rotated along the circumference of the mounting rod 4, the filter screen 53 collects the sundries on the surface of the aluminum liquid, and after the pushing frame 5 rotates one circle, the pushing frame 5 abuts with the baffle 41, so that the sundries on the surface of the aluminum liquid are gathered between the filter screen 53 and the baffle 41, and the slag taking efficiency is high and good.

[0044] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. An aluminum molten metal filtration and degassing device for aluminum casting processing, characterized in that: The system includes a movable frame (1), on which a degassing and slag removal assembly (2) and a slag removal assembly (3) are slidably mounted vertically. The degassing and slag removal assembly (2) includes a mounting plate (21), on which a main shaft (22), a motor (23), and a gas supply system for controlling the supply and flow of inert gas are mounted. The top end of the main shaft (22) is coaxially and fixedly connected to the output end of the motor (23). The bottom of the main shaft (22) is... A graphite rotor (24) is installed at the end; the slag removal assembly (3) includes an installation rod (4), a baffle (41) is fixed on the outer circumferential surface of the installation rod (4), a push frame (5) is rotatably installed on the installation rod (4), the side of the baffle (41) and the side of the push frame (5) are both able to fit against the inner wall of the aluminum can, a filter screen (53) for slag removal is provided in the push frame (5), and the push frame (5) can abut against the baffle (41).

2. The aluminum molten metal filtration and degassing equipment for aluminum casting processing according to claim 1, characterized in that: A vertically arranged drive screw (11) is rotatably mounted on the movable frame (1). A second motor (12) is mounted on the movable frame (1). The output end of the second motor (12) is coaxially fixedly connected to the top end of the drive screw (11). The mounting plate (21) is sleeved on the outer periphery of the drive screw (11). The mounting plate (21) and the drive screw (11) are threadedly connected. A mounting ring (211) is fixed on the bottom surface of the mounting plate (21). An adjusting ring (31) is sleeved on the outer periphery of the mounting ring (211). The adjusting ring (31) is rotatably connected to the mounting ring (211). A horizontally arranged adjusting rod (32) is fixed on the outer side of the adjusting ring (31). A vertical rod (33) is fixed on the bottom surface of the adjusting rod (32). The bottom end of the vertical rod (33) is hinged to the mounting rod (4).

3. The aluminum molten metal filtration and degassing equipment for aluminum casting processing according to claim 2, characterized in that: The outer circumferential surface of the adjusting ring (31) is provided with a positioning groove (34). The adjusting ring (31) slides along its radial direction through the positioning groove (34) to install a positioning block (35). The outer circumferential surface of the mounting ring (211) is provided with a plurality of mounting grooves (212). The plurality of mounting grooves (212) are equally spaced along the circumference of the mounting ring (211). The positioning block (35) can be inserted into the mounting groove (212). A slider (36) is fixed on the side of the positioning block (35). A sliding groove (37) is provided on the inner wall of the positioning groove (34). The slider (36) slides along the radial direction of the adjusting ring (31) and engages with the adjusting ring (31). A spring (38) is fixed on the side of the slider (36) away from the mounting ring (211). The end of the spring (38) away from the slider (36) is fixedly connected to the inner wall of the sliding groove (37).

4. The aluminum molten metal filtration and degassing equipment for aluminum casting processing according to claim 2, characterized in that: A rotating rod (331) is rotatably mounted on the bottom end of the vertical rod (33). The top end of the mounting rod (4) is sleeved and fixed to the outer periphery of the rotating rod (331). A cylinder (332) is fixed to the outer periphery of the vertical rod (33). A rack (333) is fixed to the bottom end of the piston rod of the cylinder (332). A gear (334) is sleeved and fixed to the outer periphery of the rotating rod (331). The gear (334) meshes with the rack (333).

5. The aluminum molten metal filtration and degassing equipment for aluminum casting processing according to claim 4, characterized in that: A rotating block (42) is rotatably mounted on the bottom end of the mounting rod (4). The rotating block (42) is fixedly connected to the push frame (5). A motor (43) is installed inside the mounting rod (4). The output end of the motor (43) is rotatably connected to the top surface of the rotating block (42).

6. The aluminum molten metal filtration and degassing equipment for aluminum casting processing according to claim 5, characterized in that: The push frame (5) includes two push plates (51), and an abutment rod (52) is fixed between the two push plates (51). The abutment rod (52) can fit against the baffle (41). The two push plates (51) are respectively provided with snap-fit ​​grooves (61) on their opposite inner sides. The push plate (51) slides along its own width direction through the snap-fit ​​grooves (61) to install snap-fit ​​blocks (6). The side of the baffle (41) is provided with a slot (411) for inserting the snap-fit ​​blocks (6).

7. The aluminum molten metal filtration and degassing equipment for aluminum casting processing according to claim 6, characterized in that: A second spring (62) is fixed to the side of the snap-fit ​​block (6) away from the baffle (41). One end of the second spring (62) away from the snap-fit ​​block (6) is fixedly connected to the inner wall of the snap-fit ​​groove (61). A first inclined surface (63) is provided on the bottom surface of the snap-fit ​​block (6). The first inclined surface (63) is located on the side of the snap-fit ​​block (6) away from the abutment rod (52).

8. The aluminum molten metal filtration and degassing equipment for aluminum casting processing according to claim 7, characterized in that: The side of the push plate (51) is provided with a push groove (71) that communicates with the snap-fit ​​groove (61). The push plate (51) slides along the width direction of the push plate (51) through the push groove (71) to install the push block (7). The side of the snap-fit ​​block (6) is provided with an advance through groove (64) for inserting the push block (7). The inner top surface of the advance through groove (64) is provided with a second inclined surface (65). The side of the push block (7) is provided with a third inclined surface (72) for abutting against the second inclined surface (65).

9. The aluminum molten metal filtration and degassing equipment for aluminum casting processing according to claim 8, characterized in that: A reset block (73) is fixed to the side of the push block (7), and a reset groove (74) is provided on the inner wall of the push groove (71). The reset block (73) slides and cooperates with the push plate (51) along the width direction of the push plate (51) through the reset groove (74). A spring three (75) is fixed to the side of the reset block (73) near the snap-fit ​​block (6), and the end of the spring three (75) away from the reset block (73) is fixedly connected to the inner wall of the reset groove (74).

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