Progressive metal casting segmented grinding equipment

Abstract

The invention relates to the technical field of metal casting polishing devices, in particular to progressive metal casting segmented polishing equipment which comprises a polishing table, a clamping assembly used for clamping a metal casting is arranged at the top of the polishing table, and a supporting frame is further arranged at the top of the polishing table. A grinding assembly used for conducting all-dimensional grinding on the metal casting is arranged at the bottom of the supporting frame, a dust suction pump is matched with a dust suction pipe and a suction nozzle to work so that dust and metal dust can be guided into a separation frame, and magnetic metal dust contained in the metal dust can be attracted to a cylindrical magnet; the non-magnetic metal dust and dust fall on the filter screen, then the filter screen is continuously extruded by the extrusion block, and the filter screen is always in a vibration state under the action of the spring telescopic rod, so that the non-magnetic metal dust on the filter screen is screened out; and finally, the water drops into a second collecting frame through filter holes in a filter screen.

Description

Technical Field

[0001] The invention relates to the technical field of metal casting grinding, in particular to a progressive metal casting segmented grinding device. Background Art

[0002] Metal castings are molded products made through a variety of casting techniques. Specifically, the molten metal liquid is poured, die-casted, sucked or other casting methods into a pre-prepared mold. After cooling and solidification, it is polished and other subsequent treatments to form a metal object with a specific shape, size and performance.

[0003] Chinese patent authorization announcement number CN221435998U discloses a metal casting grinding device, including a base, a plurality of symmetrically arranged supporting feet are provided at the lower end of the base, a plurality of equally spaced telescopic cylinders are provided at the upper end of the base, a top plate is provided at the ends of the telescopic ends of the plurality of telescopic cylinders, a grinder is provided at the lower end of the top plate, a fixed frame is provided at the upper end of the base, two symmetrically arranged U-shaped frames are provided in the fixed frame, the opposite surfaces of the two U-shaped frames are provided with rubber protective layers, rotating mechanisms for rotating the two U-shaped frames are provided on both sides of the fixed frame, and two symmetrically arranged through-channels are provided at the rear end of the fixed frame. The utility model drives the rotating rod to rotate by the hand wheel, and the limit block and the limit groove between the rotating rod and the limit wheel cooperate to make the rotating rod rotate and drive the U-shaped frame to rotate, thereby realizing the rotation of the casting, which brings certain convenience to people's adjustment of the casting position.

[0004] When the above equipment is in operation, it simply collects the dust generated during the grinding process. However, the dust contains a large amount of metal dust, which can be recycled as raw materials for iron and aluminum smelting processes, thereby realizing the recycling of resources. However, the equipment does not separate the dust and metal dust, which means that when the metal dust needs to be used alone, secondary separation treatment must be carried out, which not only increases the workload, but also significantly reduces work efficiency. Summary of the invention

[0005] In view of the above problems, a progressive metal casting segmented grinding device is provided, which uses a vacuum pump in conjunction with a vacuum pipe and a suction nozzle to introduce dust and metal dust into a separation frame. Afterwards, the magnetic metal dust contained in the metal dust will be adsorbed onto the cylindrical magnet, and the non-magnetic metal dust and dust will fall onto the filter screen. Afterwards, the fourth motor drives the driving rod and the synchronous wheel to rotate, and then the synchronous wheel cooperates with the synchronous belt to drive and rotate the worm, further driving the cylindrical magnet to rotate and cooperate with the scraper block to scrape off the magnetic metal dust on the surface of the cylindrical magnet, and finally collect it into the first collection frame for later reuse. At the same time, the rotating rod and the extrusion block rotate, and the extrusion block is used to continuously extrude the filter screen, and the filter screen will be in a state of vibration under the action of the spring telescopic rod, thereby filtering out the non-magnetic metal dust on the filter screen, and finally falling through the filter holes on the filter screen into the second collection frame.

[0006] To solve the problems of the prior art, the present invention provides a progressive metal casting segmented grinding device, comprising a grinding table, a clamping assembly for clamping the metal casting is arranged on the top of the grinding table, a support frame is also arranged on the top of the grinding table, a grinding assembly for performing all-round grinding of the metal casting is arranged on the bottom of the support frame, a separation frame for screening dust is arranged inside the grinding table, an isolation plate is arranged inside the separation frame, a dust suction pump is arranged on the top of the separation frame, an input end of the dust suction pump is connected to a dust suction pipe, one end of the dust suction pipe extends to the outside of the grinding table and is connected to a suction nozzle, the output end of the dust suction pump is connected to the interior of the separation frame through a pipeline, a collection assembly for collecting magnetic metal dust is arranged inside the separation frame, and a screening assembly for screening non-magnetic metal dust and dust is also arranged inside the separation frame.

[0007] Preferably, the collecting assembly includes a connecting rod rotatably arranged inside a separation frame, a cylindrical magnet for absorbing magnetic metal dust is arranged on the outside of the connecting rod, a first worm gear is arranged on the outside of both ends of the connecting rod, a scraping block for scraping off the magnetic metal dust on the surface of the cylindrical magnet is arranged inside the separation frame, and a first collecting frame for collecting magnetic metal dust is movably arranged inside the separation frame.

[0008] Preferably, the screening assembly includes a support plate arranged on the inner wall of the separation frame and the side wall of the isolation plate, a plurality of spring telescopic rods are arranged on the top of the two support plates, a second clamping frame is arranged at the telescopic end of the spring telescopic rod, a filter screen for filtering dust is movably arranged between the two second clamping frames, and a second collecting frame for collecting non-magnetic metal dust is also movably arranged inside the separation frame.

[0009] Preferably, a fixed plate is provided on the side wall of the isolation plate and above the second card frame, and worms meshingly connected to the first worm gear are rotatably provided on both sides of the top of the fixed plate, and a rotating rod is rotatably provided between the isolation plate and the separation plate, and an extrusion block for extruding the filter screen is provided on the outside of the rotating rod, and a second worm gear meshingly connected to the worm is also provided on the outside of the rotating rod.

[0010] Preferably, a fourth motor is provided on the top of the separation frame, and the output shaft of the fourth motor is provided with a driving rod through a coupling, the bottom of the driving rod is rotatably connected to the top of the fixed plate, and synchronous wheels are provided on the outside of the driving rod and the worm gear, and the multiple synchronous wheels are connected by synchronous belt transmission.

[0011] Preferably, the clamping assembly includes a base arranged on both sides of the top of the grinding table, electric push rods are arranged on both sides of the top of the base, the movable end of the electric push rod is provided with a mounting plate, the side wall of the mounting plate is provided with a third motor, and the output shaft of the third motor passes through the mounting plate and is provided with a first clamping frame.

[0012] Preferably, support blocks are provided on both sides of the bottom of the mounting plate, and a moving groove for the support blocks to move is provided on the top of the grinding table.

[0013] Preferably, the grinding assembly comprises cylinders arranged on both sides of the bottom of the support frame, a vertically movable lower pressing plate is arranged at the bottom of the cylinder, and a lateral moving assembly is arranged at the bottom of the lower pressing plate.

[0014] Preferably, the transverse moving component comprises an electromagnetic slide rail arranged at the bottom of the lower pressure plate, an electromagnetic slider is slidably arranged outside the electromagnetic slide rail, a moving plate is arranged at the bottom of the electromagnetic slider, and a longitudinal moving component is arranged at the bottom of the moving plate.

[0015] Preferably, the longitudinal moving component includes a sliding frame arranged at the bottom of the moving plate, a first motor is arranged inside the sliding frame, an output shaft of the first motor is provided with a screw through a coupling, one end of the screw is rotatably connected to the inner wall of the sliding frame, an external thread of the screw is connected to a moving block, a second motor is arranged at the bottom of the moving block, and a grinding disc is arranged on the output shaft of the second motor.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. Use the vacuum pump in conjunction with the vacuum tube and nozzle to introduce dust and metal dust into the separation frame. The magnetic metal dust contained in the metal dust will then be adsorbed onto the cylindrical magnet, while the non-magnetic metal dust and dust will fall onto the filter screen. The fourth motor then drives the drive rod and the synchronous wheel to rotate, and the synchronous wheel cooperates with the synchronous belt to drive the worm to rotate, further driving the cylindrical magnet to rotate and cooperate with the scraper block to scrape off the magnetic metal dust on the surface of the cylindrical magnet, and finally collect it into the first collection frame for later reuse. At the same time, the rotating rod and the extrusion block rotate, and the extrusion block is used to continuously extrude the filter screen, and the filter screen will be in a state of vibration under the action of the spring telescopic rod, thereby filtering out the non-magnetic metal dust on the filter screen, and finally falling through the filter holes on the filter screen into the second collection frame.

[0017] 2. The metal casting can be polished in all directions through the horizontal moving component and the vertical moving component. When the bottom of the metal casting needs to be polished, the polishing component is driven to move upward for a distance through the telescopic end of the cylinder, and then the first clamping frame and the metal casting are turned over by the third motor, and then the other side of the metal casting can be polished. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a schematic diagram of the overall structure of a progressive metal casting segmented grinding device.

[0019] Figure 2 The invention is a side view structural schematic diagram of a progressive metal casting segmented grinding device.

[0020] Figure 3 The present invention is a schematic diagram of the structure of a transverse moving component in a progressive metal casting segmented grinding device.

[0021] Figure 4 The present invention is a schematic diagram of the partial structure of a longitudinal moving component in a progressive metal casting segmented grinding device.

[0022] Figure 5 The present invention is a schematic diagram of the structure of a clamping assembly in a progressive metal casting segmented grinding device.

[0023] Figure 6 The present invention is a schematic diagram of the internal structure of a grinding table in a progressive metal casting segmented grinding device.

[0024] Figure 7 This is a schematic diagram of the internal structure of the separation frame in a progressive metal casting segmented grinding device. Figure 8 The present invention is a schematic diagram of the structure of a filter screen in a progressive metal casting segmented grinding device.

[0025] Fig. 9 The present invention is a schematic diagram of the structure of a collecting component and a screening component in a progressive metal casting segmented grinding device.

[0026] Fig.10 The present invention is a schematic diagram of the structure of a scraper block in a progressive metal casting segmented grinding device.

[0027] The numbers in the figure are: 1, grinding table; 2, base; 3, electric push rod; 4, lower pressure plate; 5, cylinder; 6, support frame; 7, electromagnetic slide rail; 8, moving plate; 9, electromagnetic slider; 10, slide frame; 11, first motor; 12, screw; 13, moving block; 14, second motor; 15, grinding disc; 16, mounting plate; 17, first clamping frame; 18, third motor; 19, support block; 20, suction nozzle; 21, dust suction pipe; 22, dust suction pump; 23 , separation frame; 24, fourth motor; 25, first collection frame; 26, second collection frame; 27, isolation plate; 28, filter screen; 29, scraper block; 30, cylindrical magnet; 31, first worm gear; 32, worm; 33, drive rod; 34, support plate; 35, spring telescopic rod; 36, rotating rod; 37, extrusion block; 38, second worm gear; 39, fixed plate; 40, synchronous belt; 41, connecting rod; 42, second clamping frame; 43, synchronous wheel. DETAILED DESCRIPTION

[0028] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0029] like Figures 1 to 10 As shown, the present invention provides: A progressive metal casting segmented grinding device comprises a grinding table 1, wherein a clamping assembly for clamping the metal casting is arranged on the top of the grinding table 1, a support frame 6 is also arranged on the top of the grinding table 1, a grinding assembly for performing all-round grinding on the metal casting is arranged on the bottom of the support frame 6, a separation frame 23 for screening dust is arranged inside the grinding table 1, an isolation plate 27 is arranged inside the separation frame 23, a dust suction pump 22 is arranged on the top of the separation frame 23, an input end of the dust suction pump 22 is connected to a dust suction pipe 21, one end of the dust suction pipe 21 extends to the outside of the grinding table 1 and is connected to a suction nozzle 20, an output end of the dust suction pump 22 is connected to the inside of the separation frame 23 through a pipeline, a collection assembly for collecting magnetic metal dust is arranged inside the separation frame 23, and a screening assembly for screening non-magnetic metal dust and dust is also arranged inside the separation frame 23.

[0030] The metal casting is clamped by the clamping assembly to prevent the metal casting from shaking during the grinding process, thereby ensuring the stability of the metal casting during grinding. The metal casting can be grinded in all directions through the grinding assembly. Then the dust suction pump 22 sucks the dust and metal dust into the separation frame 23 through the dust suction pipe 21 and the suction nozzle 20. The dust and metal dust generated during grinding can be introduced into the separation frame 23. Then the magnetic metal dust contained in the metal dust is collected by the collecting assembly, and finally the dust and non-magnetic metal dust are screened by the screening assembly.

[0031] like Figure 5 , Figure 8 and Fig. 9 As shown, the collecting assembly includes a connecting rod 41 rotatably arranged inside the separation frame 23, a cylindrical magnet 30 for absorbing magnetic metal dust is arranged outside the connecting rod 41, a first worm gear 31 is arranged outside both ends of the connecting rod 41, a scraping block 29 for scraping off the magnetic metal dust on the surface of the cylindrical magnet 30 is arranged inside the separation frame 23, and a first collecting frame 25 for collecting magnetic metal dust is movably arranged inside the separation frame 23.

[0032] When dust and metal dust enter the separation frame 23, the magnetic metal dust contained in the metal dust will be adsorbed onto the surface of the cylindrical magnet 30, and then work with the scraper block 29 to scrape off the magnetic metal dust on the surface of the cylindrical magnet 30, and finally collect it into the inside of the first collection frame 25 for later reuse.

[0033] like Figure 5 , Figure 8 and Fig. 9 As shown, the screening assembly includes a support plate 34 arranged on the inner wall of the separation frame 23 and the side wall of the isolation plate 27, a plurality of spring telescopic rods 35 are arranged on the top of the two support plates 34, a second clamping frame 42 is arranged at the telescopic end of the spring telescopic rod 35, a filter screen 28 for filtering dust is movably arranged between the two second clamping frames 42, and a second collecting frame 26 for collecting non-magnetic metal dust is also movably arranged inside the separation frame 23.

[0034] Dust and non-magnetic metal dust can be screened by the filter screen 28, and dust usually has a difference in particle size from non-magnetic metal dust. These differences enable the non-magnetic metal dust to be separated by the aperture of the filter screen 28. The selection of the aperture of the filter screen 28 should be determined according to the particle size distribution of the material to be separated to ensure an effective separation effect. In addition to particle size, non-magnetic metal dust and dust also have differences in physical properties, such as density, shape, etc. Although these differences are not as intuitive as particle size, they also play a role in the screening process.

[0035] like Fig. 9and Fig.10 As shown, a fixing plate 39 is provided on the side wall of the isolation plate 27 and above the second card frame 42, and a worm 32 meshingly connected to the first worm gear 31 is rotatably provided on both sides of the top of the fixing plate 39, and a rotating rod 36 is rotatably provided between the isolation plate 27 and the separation plate, and an extrusion block 37 for extruding the filter screen 28 is provided on the outside of the rotating rod 36, and a second worm gear 38 meshingly connected to the worm 32 is also provided on the outside of the rotating rod 36.

[0036] The filter screen 28 is continuously squeezed by the squeezing block 37 , and the filter screen 28 is always in a vibrating state under the action of the spring telescopic rod 35 , thereby filtering out the non-magnetic metal dust on the filter screen 28 , and finally falling into the second collection frame 26 through the filter holes on the filter screen 28 .

[0037] like Figure 8 , Fig. 9 and Fig.10 As shown, a fourth motor 24 is provided on the top of the separation frame 23, and a driving rod 33 is provided on the output shaft of the fourth motor 24 through a coupling. The bottom of the driving rod 33 is rotatably connected to the top of the fixed plate 39, and a synchronous wheel 43 is provided on the outside of the driving rod 33 and the worm gear 32, and the multiple synchronous wheels 43 are connected through a synchronous belt 40.

[0038] The fourth motor 24 drives the driving rod 33 to rotate, and the driving rod 33 drives the synchronous wheel 43 to rotate at the same time. The synchronous wheel 43 cooperates with the synchronous belt 40 to drive the worm 32 to rotate. The rotation of the worm 32 also drives the first worm wheel 31 and the second worm wheel 38 to rotate, thereby driving the collection component and the screening component to work.

[0039] like Figure 5 As shown, the clamping assembly includes a base 2 arranged on both sides of the top of the grinding table 1, electric push rods 3 are arranged on both sides of the top of the base 2, the movable end of the electric push rod 3 is arranged with a mounting plate 16, the side wall of the mounting plate 16 is arranged with a third motor 18, the output shaft of the third motor 18 passes through the mounting plate 16 and is provided with a first clamping frame 17.

[0040] The movable end of the electric push rod 3 moves, thereby driving the two mounting plates 16 and the first clamping frame 17 to approach each other, and finally clamping the metal casting. Then, the third motor 18 drives the first clamping frame 17 and the metal casting to flip, and then the other side of the metal casting can be polished.

[0041] like Figure 1 and Figure 5 As shown, support blocks 19 are provided on both sides of the bottom of the mounting plate 16 , and a moving groove for the support blocks 19 to move is provided on the top of the grinding table 1 .

[0042] The support block 19 can effectively reduce the downward pressure applied by the grinding disc 15 when grinding the metal casting, thereby preventing the movable end of the electric push rod 3 from being damaged due to excessive load caused by excessive pressure during the grinding process.

[0043] like Figure 1 and Figure 3 As shown, the grinding assembly includes a cylinder 5 arranged on both sides of the bottom of the support frame 6, a vertically movable lower pressing plate 4 is arranged at the bottom of the cylinder 5, and a horizontally movable assembly is arranged at the bottom of the lower pressing plate 4.

[0044] The downward movement of the cylinder 5 can drive the grinding assembly to move downward in the vertical direction, so that the grinding assembly can effectively grind the metal casting.

[0045] like Figure 3 and Figure 4 As shown, the lateral moving assembly includes an electromagnetic slide rail 7 arranged at the bottom of the lower pressure plate 4, an electromagnetic slider 9 is slidably arranged outside the electromagnetic slide rail 7, a moving plate 8 is arranged at the bottom of the electromagnetic slider 9, and a longitudinal moving assembly is arranged at the bottom of the moving plate 8.

[0046] When performing transverse grinding operations on metal castings, the electromagnetic slide rail 7 and the electromagnetic slider 9 work together. Under the action of electromagnetic force, the grinding disc 15 can perform precise grinding operations along the transverse direction of the metal casting, which not only improves the grinding accuracy and efficiency, but also ensures stability and consistency during the grinding process.

[0047] like Figure 3 and Figure 4 As shown, the longitudinal moving component includes a sliding frame 10 arranged at the bottom of the moving plate 8, a first motor 11 is arranged inside the sliding frame 10, an output shaft of the first motor 11 is provided with a screw 12 through a coupling, one end of the screw 12 is rotatably connected to the inner wall of the sliding frame 10, an external thread of the screw 12 is connected to a moving block 13, a second motor 14 is arranged at the bottom of the moving block 13, and a grinding disc 15 is arranged on the output shaft of the second motor 14.

[0048] When the metal casting needs to be polished longitudinally, the first motor 11 can be operated to drive the screw 12 to rotate, and the moving block 13 outside the screw 12 will slide inside the slide frame 10, thereby driving the polishing disc 15 to polish the metal casting longitudinally. The metal casting can be polished in all directions through the transverse moving assembly and the longitudinal moving assembly.

[0049] Working principle: when it is necessary to grind a metal casting, the metal casting is placed between the two first clamping frames 17, and then the electric push rod 3 is started to move the movable end of the electric push rod 3, thereby driving the two mounting plates 16 and the first clamping frame 17 to approach each other, and finally clamping the metal casting to prevent the metal casting from shaking during the grinding process, thereby ensuring the stability of the metal casting during grinding. Then, the telescopic end of the cylinder 5 can drive the lower pressure plate 4 to move vertically, so that the grinding disc 15 can grind the metal casting conveniently. When it is necessary to grind the metal casting horizontally, the electromagnetic slide rail 7 cooperates with the electromagnetic slider 9 to drive the grinding disc 15 to grind the metal casting horizontally. When the metal casting is grinded longitudinally, the first motor 11 can be operated to drive the screw 12 to rotate, and the moving block 13 outside the screw 12 will slide inside the slide frame 10, thereby driving the grinding disc 15 to grind the metal casting longitudinally. The metal casting can be grinded in all directions through the transverse moving component and the longitudinal moving component. When it is necessary to grind the bottom of the metal casting, the grinding component is driven to move upward for a distance through the telescopic end of the cylinder 5, and then the first clamping frame 17 and the metal casting are turned over by the third motor 18, and then the other side of the metal casting can be grinded, and the dust and metal dust generated during grinding will be removed by the working of the dust suction pump 22. The dust and metal dust enter the separation frame 23 through the dust suction pipe 21 and the suction nozzle 20. When the dust and metal dust enter the separation frame 23, the magnetic metal dust contained in the metal dust will be adsorbed on the surface of the cylindrical magnet 30, and the non-magnetic metal dust and dust will fall on the upper surface of the filter screen 28. At this time, the fourth motor 24 drives the driving rod 33 to rotate, and the driving rod 33 rotates while driving the synchronous wheel 43 to rotate. The synchronous wheel 43 cooperates with the synchronous belt 40 to drive the worm 32 to rotate. When the worm 32 rotates, it also drives the first worm wheel 31 and the second worm wheel 38 to rotate. When the first worm wheel 31 rotates, it also drives the connecting rod 41 and the cylindrical magnet 30 rotates, and when the cylindrical magnet 30 rotates, it cooperates with the scraper block 29 to scrape off the magnetic metal dust on the surface of the cylindrical magnet 30, and finally collects it into the first collection frame 25, which is convenient for later reuse. When the second worm gear 38 rotates, it will also drive the rotating rod 36 and the extrusion block 37 to rotate, and the extrusion block 37 is used to continuously squeeze the filter screen 28, and the filter screen 28 will always be in a vibrating state under the action of the spring telescopic rod 35, so as to filter out the non-magnetic metal dust on the filter screen 28, and finally fall into the second collection frame 26 through the filter holes on the filter screen 28, and the dust usually has a difference in particle size from the non-magnetic metal dust. These differences enable the non-magnetic metal dust to be separated by the aperture of the filter screen 28.The selection of the aperture of the filter screen 28 should be determined according to the particle size distribution of the material to be separated to ensure an effective separation effect. In addition to the particle size, non-magnetic metal dust and dust also have differences in physical properties, such as density, shape, etc. Although these differences are not as intuitive as particle size, they also play a role in the screening process. For example, irregularly shaped dust particles may be more likely to clog the screen holes, while regularly shaped metal dust particles are more likely to pass through the screen. This ensures the effective separation of dust, magnetic metal dust and non-magnetic metal dust, avoiding secondary screening in the later stage.

[0050] The above embodiments only express a progressive metal casting segmented grinding device or several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of protection of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the attached claims.

Claims

1. A progressive metal casting segmented grinding device, characterized in that: The invention comprises a grinding table (1), wherein a clamping assembly for clamping a metal casting is arranged on the top of the grinding table (1), a support frame (6) is also arranged on the top of the grinding table (1), a grinding assembly for performing all-round grinding on the metal casting is arranged on the bottom of the support frame (6), a separation frame (23) for screening dust is arranged inside the grinding table (1), an isolation plate (27) is arranged inside the separation frame (23), and a A dust suction pump (22), wherein an input end of the dust suction pump (22) is connected to a dust suction pipe (21), one end of the dust suction pipe (21) extends to the outside of the grinding table (1) and is connected to a suction nozzle (20), and an output end of the dust suction pump (22) is connected to the interior of a separation frame (23) through a pipeline, a collecting component for collecting magnetic metal dust is arranged inside the separation frame (23), and a screening component for screening non-magnetic metal dust and dust is also arranged inside the separation frame (23).

2. The progressive metal casting segmented grinding device according to claim 1, characterized in that: The collecting assembly comprises a connecting rod (41) rotatably arranged inside a separation frame (23); a cylindrical magnet (30) for absorbing magnetic metal dust is arranged outside the connecting rod (41); first worm gears (31) are arranged outside both ends of the connecting rod (41); a scraping block (29) for scraping off magnetic metal dust on the surface of the cylindrical magnet (30) is arranged inside the separation frame (23); and a first collecting frame (25) for collecting magnetic metal dust is movably arranged inside the separation frame (23).

3. The progressive metal casting segmented grinding device according to claim 1, characterized in that: The screening assembly comprises a support plate (34) arranged on the inner wall of the separation frame (23) and the side wall of the isolation plate (27); a plurality of spring telescopic rods (35) are arranged on the top of the two support plates (34); a second clamping frame (42) is arranged at the telescopic end of the spring telescopic rod (35); a filter screen (28) for filtering dust is movably arranged between the two second clamping frames (42); and a second collection frame (26) for collecting non-magnetic metal dust is also movably arranged inside the separation frame (23).

4. The progressive metal casting segmented grinding device according to claim 1, characterized in that: A fixing plate (39) is arranged on the side wall of the isolation plate (27) and located above the second clamping frame (42); worms (32) meshingly connected to the first worm gear (31) are rotatably arranged on both sides of the top of the fixing plate (39); a rotating rod (36) is rotatably arranged between the isolation plate (27) and the separation plate; an extrusion block (37) for extruding the filter screen (28) is arranged on the outside of the rotating rod (36); and a second worm gear (38) meshingly connected to the worm gear (32) is also arranged on the outside of the rotating rod (36).

5. The progressive metal casting segmented grinding device according to claim 1, characterized in that: A fourth motor (24) is arranged on the top of the separation frame (23); a driving rod (33) is arranged on the output shaft of the fourth motor (24) via a coupling; the bottom of the driving rod (33) is rotatably connected to the top of the fixing plate (39); synchronous wheels (43) are arranged outside the driving rod (33) and the worm (32); and a plurality of synchronous wheels (43) are connected to each other via a synchronous belt (40).

6. The progressive metal casting segmented grinding device according to claim 1, characterized in that: The clamping assembly comprises a base (2) arranged on both sides of the top of the grinding table (1), electric push rods (3) are arranged on both sides of the top of the base (2), the movable end of the electric push rod (3) is provided with a mounting plate (16), the side wall of the mounting plate (16) is provided with a third motor (18), the output shaft of the third motor (18) passes through the mounting plate (16) and is provided with a first clamping frame (17).

7. The progressive metal casting segmented grinding device according to claim 6, characterized in that: Support blocks (19) are provided on both sides of the bottom of the mounting plate (16), and a moving groove for the support blocks (19) to move is provided on the top of the grinding table (1).

8. The progressive metal casting segmented grinding device according to claim 1, characterized in that: The grinding assembly comprises cylinders (5) arranged on both sides of the bottom of a support frame (6), a vertically movable lower pressing plate (4) is arranged at the bottom of the cylinder (5), and a horizontally movable assembly is arranged at the bottom of the lower pressing plate (4).

9. The progressive metal casting segmented grinding device according to claim 8, characterized in that: The transverse moving assembly comprises an electromagnetic slide rail (7) arranged at the bottom of the lower pressing plate (4), an electromagnetic slider (9) is slidably arranged outside the electromagnetic slide rail (7), a moving plate (8) is arranged at the bottom of the electromagnetic slider (9), and a longitudinal moving assembly is arranged at the bottom of the moving plate (8).

10. The progressive metal casting segmented grinding device according to claim 9, characterized in that: The longitudinal moving assembly comprises a sliding frame (10) arranged at the bottom of the moving plate (8), a first motor (11) is arranged inside the sliding frame (10), an output shaft of the first motor (11) is provided with a screw rod (12) via a coupling, one end of the screw rod (12) is rotatably connected to the inner wall of the sliding frame (10), an external thread of the screw rod (12) is connected to a moving block (13), a second motor (14) is arranged at the bottom of the moving block (13), and a grinding disc (15) is arranged on the output shaft of the second motor (14).

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