Stirring machine for abrasive and grinding tool production

Abstract

The utility model discloses a stirrer for abrasive and grinding tool production, which belongs to the technical field of grinding tool processing and particularly comprises a stirring barrel and a barrel cover covering the top of the stirring barrel, a feed port is arranged on the barrel cover, and a feed hopper is fixedly arranged on the feed port. The stirring mechanism is used for stirring materials in the stirring barrel, and the stirring mechanism is arranged on the barrel cover; by means of the negative pressure fan, negative pressure can be generated in the stirring barrel, dust generated in the feeding and stirring process of materials is absorbed, the dust can be filtered through the filtering assembly, filtered gas is exhausted into air, the working environment is improved, the working efficiency is improved, and the working efficiency is improved. And the damage to the body of the worker caused by the fact that the worker inhales more dust is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of abrasive tool processing, and particularly relates to a mixer for producing abrasive materials and abrasive tools. Background Art

[0002] Resin grinding wheels are made of resin, such as phenolic, epoxy, polyurethane, polyvinyl alcohol, etc. Resin grinding wheels have high strength and can be used to add reinforcing fiber mesh and steel bars, such as cutting wheels and grinding wheels. Most of our resin grinding wheels are not waterproof and cannot be ground with grinding fluid. Of course, there are some resin grinding wheels that need to be ground with grinding fluid, such as epoxy. The grinding finish of resin grinding wheels is good and the workpiece is not easily burned. Resin grinding wheels are used in cutting wheels, double-end faces, heavy-load grinding wheels, polishing wheels, etc. The strength of resin bond grinding wheels is lower than that of metal bonds and vitrified bonds.

[0003] Chinese utility model patent CN219559475U discloses a grinding wheel material mixing device, comprising a frame, a stirring boiler provided on the frame, a boiler cover installed on the stirring boiler, the stirring boiler used for mixing and stirring materials, a stirring assembly for stirring the materials, and a speed regulating assembly for automatically adjusting the rotation speed of the stirring assembly according to the stirring effect, the speed regulating assembly comprising a clamping block installed on the boiler cover, a gear ring provided on the boiler cover, the clamping block slides outward under the action of centrifugal force, causing the gear ring to start working and changing the stirring speed of the stirring assembly; when the utility model is used, the device slides outward under the action of centrifugal force after reaching a certain speed, meshing the second gear with the planetary gear on the gear ring to achieve a change in the stirring speed, thereby achieving automatic speed change according to the material mixing status during the mixing process, improving the mixing effect, thereby improving the mixing efficiency, shortening the processing time, and increasing the production speed of the workshop.

[0004] There are still deficiencies in the above documents: when mixing and stirring materials, although the mixing effect and efficiency are improved, a large amount of dust will be generated during the loading and stirring of materials, which will not only affect the working environment, but also cause workers to inhale more dust, affecting their health. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a mixer for producing abrasive materials and grinding tools, which has the characteristic of being able to process dust.

[0006] To achieve the above object, the present invention provides the following technical solution: a mixer for producing abrasives and grinding tools, comprising a mixing drum and a drum cover covering the top of the mixing drum, the drum cover being provided with a feed port, and a feed hopper being fixedly provided on the feed port;

[0007] A stirring mechanism, used for stirring the material in the mixing drum, wherein the stirring mechanism is arranged on the drum cover;

[0008] A dust handling mechanism for absorbing dust, the dust handling mechanism being arranged on the tube cover, the dust handling mechanism comprising a dust suction port arranged on the tube cover and a dust suction cylinder fixedly arranged outside the dust suction port, the dust suction cylinder being provided with a dust filter assembly;

[0009] A negative pressure fan, wherein the air suction port of the negative pressure fan is connected to the dust collection cylinder, and the air exhaust port of the negative pressure fan is connected to an exhaust duct.

[0010] Preferably, it further comprises a first flip frame, which is driven to flip by a first cylinder, and the first flip frame is fixedly connected to the drum cover, so as to enable the drum cover to open and close the mixing drum.

[0011] Preferably, it also includes a second flip frame, which is driven to flip by a second cylinder. The second flip frame is rotatably connected to a turntable and driven by a first motor. The turntable is fixedly connected to the mixing drum to enable the mixing drum to rotate.

[0012] Preferably, the stirring mechanism includes a second motor fixedly mounted on the cylinder cover, the output shaft of the second motor passes through the cylinder cover and is fixedly connected to a connecting disk, and stirring rods distributed circumferentially are fixedly mounted on the connecting disk.

[0013] Preferably, the dust filter assembly includes a support frame fixedly arranged in the dust collection cylinder and a filter frame arranged on the support frame, the filter frame is provided with a plurality of distributed filter ports, and the bottom of the filter port is connected to the filter cylinder through a locking piece.

[0014] Preferably, the locking member includes a fixed cylinder fixedly arranged on the filter frame and a rotating cylinder rotatably arranged on the filter cylinder, the outer wall of the fixed cylinder is provided with an external thread, and the inner wall of the rotating cylinder is provided with an internal thread adapted to the external thread.

[0015] Preferably, the dust collecting cylinder further comprises a dust cleaning mechanism disposed in the dust collecting cylinder for cleaning the dust on the filter cylinder, wherein the dust cleaning mechanism comprises a hollow frame which is slidably disposed in the dust collecting cylinder and is driven by a driving assembly;

[0016] A cleaning frame is fixedly arranged on the inner side of the hollow frame, and a cleaning groove for the filter cartridge to pass through is provided on the cleaning frame. A cleaning brush for cleaning the filter cartridge is fixedly arranged on the inner wall of the cleaning groove.

[0017] Preferably, the drive assembly includes a screw rotatably arranged on one side of the dust collection cylinder, one end of the screw is transmission-connected to a third motor provided on the dust collection cylinder, a drive block is threadedly connected to the screw, and the drive block passes through the dust collection cylinder and is fixedly connected to the hollow frame;

[0018] A limiting rod is fixedly arranged on the other side of the dust collection cylinder, and a limiting block is slidably sleeved on the limiting rod. The limiting block penetrates into the interior of the dust collection cylinder and is fixedly connected to the hollow frame.

[0019] Preferably, the dust collector is provided with a moving groove for the driving block and the limiting block to move, and an accordion protective cover is provided in the moving groove.

[0020] Preferably, scrapers are fixedly provided on the top and bottom ends of the hollow frame for cleaning dust on the inner wall of the dust collection cylinder.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] The utility model can generate negative pressure in the mixing drum through the negative pressure fan, absorb the dust generated in the process of feeding and mixing the materials, filter the dust through the filter component, and discharge the filtered gas into the air, thereby improving the working environment and preventing workers from inhaling too much dust and causing harm to their health. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of Example 1 of the utility model;

[0025] Figure 2 This is a schematic cross-sectional view of Example 1 of the present utility model;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the dust collector of Example 1 of the present utility model;

[0027] Figure 4 This is a schematic diagram of the explosion structure of the locking member in Example 1 of the utility model;

[0028] Figure 5 This is a schematic diagram of the three-dimensional structure of Example 2 of the present utility model;

[0029] Figure 6 This is a schematic cross-sectional view of Example 2 of the present utility model;

[0030] Figure 7 For this utility model Figure 6 A in the middle is an enlarged structural diagram;

[0031] Figure 8 This is a side view of the structure of the dust collector of Example 2 of the present utility model;

[0032] Figure 9 This is a schematic diagram of the bottom view of the dust collector of Example 2 of the present utility model;

[0033] In the figure: 1. Mixing drum; 2. Drum cover; 3. Feed hopper; 4. Mixing mechanism; 41. Second motor; 42. Connecting plate; 43. Mixing rod; 5. Dust collecting drum; 6. Dust filter assembly; 61. Support frame; 62. Filter frame; 63. Locking piece; 631. Fixed drum; 632. Rotating drum; 633. External thread; 634. Internal thread; 64. Filter drum; 7. Negative pressure fan; 8. Dust cleaning mechanism; 81. Hollow frame; 82. Drive assembly; 821. Screw; 822. Third motor; 823. Drive block; 824. Limit rod; 825. Limit block; 826. Moving groove; 827. Organ protective cover; 83. Cleaning rack; 84. Cleaning brush; 85. Scraper. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] Example 1

[0036] See also Figure 1-4 This embodiment provides the following technical solution: a mixer for producing abrasives and grinding tools, comprising a mixing drum 1 and a drum cover 2 covering the top of the mixing drum 1, the drum cover 2 being provided with a feed port, and a feed hopper 3 being fixedly provided on the feed port, the mixing drum 1 being able to be covered by the drum cover 2, and materials being able to be added into the mixing drum 1 through the feed port and the feed hopper 3.

[0037] It also includes a first flip frame, which is driven to flip by a first cylinder. The first flip frame is fixedly connected to the drum cover 2 and is used to enable the drum cover 2 to open and close the mixing drum 1. Through the first cylinder, the first flip frame can drive the drum cover 2 to flip, thereby enabling the drum cover 2 to be opened and closed.

[0038] The mixing drum 1 is fixedly connected to the second turning frame and is driven by the first motor. The turntable is fixedly connected to the mixing drum 1 and is used to rotate the mixing drum 1. The second turning frame drives the mixing drum 1 to turn over through the second cylinder, so that the material mixed in the mixing drum 1 can be discharged from the mixing drum 1. The mixing drum 1 can be rotated relative to the drum cover 2 on the second turning frame through the turntable and the first motor.

[0039] The stirring mechanism 4 is used to stir the material in the mixing drum 1. The stirring mechanism 4 is arranged on the drum cover 2. Through the stirring mechanism 4, the stirring mechanism 4 can mix and stir the material in the mixing drum 1 while the mixing drum 1 rotates.

[0040] The stirring mechanism 4 includes a second motor 41 fixedly arranged on the drum cover 2. The output shaft of the second motor 41 passes through the drum cover 2 and is fixedly connected to a connecting disk 42. A stirring rod 43 distributed in a circle is fixedly provided on the connecting disk 42. The second motor 41 drives the connecting disk 42 to drive the stirring rod 43 to rotate, thereby stirring the material in the mixing drum 1.

[0041] The dust handling mechanism is used to absorb and process the dust. The dust handling mechanism is arranged on the barrel cover 2. The dust handling mechanism includes a dust suction port arranged on the barrel cover 2 and a dust suction cylinder 5 fixedly arranged on the outside of the dust suction port. A dust filtering component 6 is arranged inside the dust suction cylinder 5; a negative pressure fan 7, the air exhaust port of the negative pressure fan 7 is connected to the dust suction cylinder 5, and the air exhaust port of the negative pressure fan 7 is connected to the exhaust duct. Through the negative pressure fan 7, a negative pressure can be generated in the mixing drum 1, and the dust generated during the feeding and stirring of the material can be absorbed. Through the filtering component, the dust can be filtered and the filtered gas is discharged into the air, which improves the working environment and prevents workers from inhaling more dust, causing damage to their bodies.

[0042] The dust filter assembly 6 includes a support frame 61 fixedly arranged in the dust collection cylinder 5 and a filter frame 62 arranged on the support frame 61. A plurality of distributed filter ports are provided on the filter frame 62. The bottom of the filter port is connected to the filter cylinder 64 through a locking member 63. The gas entering the dust collection cylinder 5 is filtered through the filter frame 62 and the filter cylinder 64. The dust will adhere to the outer wall of the filter cylinder 64, and the qualified filtered gas will be discharged from the mixing cylinder 1.

[0043] In some embodiments, three filter ports are provided, and the three filter ports are distributed circumferentially on the filter frame 62 at intervals.

[0044] In some embodiments, the support frame 61 is a hollow annular structure, and the filter frame 62 is placed into the dust collection tube 5 from the top, so that the filter frame 62 is supported by the support frame 61, and the filter frame 62 can also be fixed to the support frame 61 by locking bolts, thereby increasing the stability of the filter frame 62 in the dust collection tube 5.

[0045] The locking member 63 includes a fixed cylinder 631 fixedly arranged on the filter frame 62 and a rotating cylinder 632 rotatably arranged on the filter cylinder 64. The outer wall of the fixed cylinder 631 is provided with an external thread 633, and the inner wall of the rotating cylinder 632 is provided with an internal thread 634 adapted to the external thread 633. Through the fixed cylinder 631 and the rotating cylinder 632, the filter cylinder 64 can be disassembled and assembled on the filter frame 62, and the filter cylinder 64 can be cleaned or replaced as needed.

[0046] The working principle of this embodiment is as follows: by starting the system, the first cylinder is activated, so that the first flip frame drives the drum cover 2 to flip and close on the mixing drum 1. At this time, the staff adds the material into the mixing drum 1 through the feed hopper 3. At the same time, the negative pressure fan 7 is started to generate negative pressure inside the dust collection drum 5 and the mixing drum 1, which absorbs the dust generated when the material is poured. The absorbed dust is then adsorbed by the filter drum 64, and the filtered gas is discharged from the mixing drum 1.

[0047] Then, the first motor is started to rotate the mixing drum 1 on the second turning frame, and the second motor 41 is started to rotate the connecting plate 42 and the stirring rod 43. While the mixing drum 1 rotates, the material in the mixing drum 1 is stirred.

[0048] At the same time, the dust generated by the mixing material also enters the dust collection cylinder 5, so that the filter cylinder 64 filters the dust;

[0049] After the mixing is completed, the first cylinder is reset, so that the first flip frame drives the drum cover 2 away from the mixing drum 1, so that the mixing drum 1 is in an open state, and then the second cylinder is reset, so that the second flip frame drives the mixing drum 1 to flip, and the material in the mixing drum 1 after mixing is dumped.

[0050] Example 2

[0051] See also Figure 5-9, also includes a dust cleaning mechanism 8 arranged in the dust collection cylinder 5, for cleaning the dust on the filter cylinder 64, the dust cleaning mechanism 8 includes a hollow frame 81, the hollow frame 81 is slidably arranged in the dust collection cylinder 5 and is driven by a driving assembly 82; a cleaning frame 83 is fixedly arranged on the inner side of the hollow frame 81, and a cleaning groove for the filter cylinder 64 to pass through is provided on the cleaning frame 83, and a cleaning brush 84 for cleaning the filter cylinder 64 is fixedly provided on the inner wall of the cleaning groove. Through the cleaning frame 83 and the cleaning brush 84, the dust attached to the outer wall of the filter cylinder 64 can be cleaned, so as to avoid the filter cylinder 64 from clogging the mesh of the filter cylinder 64 when filtering dust for a long time, thereby affecting the dust treatment effect.

[0052] The driving assembly 82 includes a screw 821 rotatably arranged on one side of the dust collection cylinder 5, one end of the screw 821 is transmission-connected to the third motor 822 provided on the dust collection cylinder 5, and a driving block 823 is threadedly connected to the screw 821, and the driving block 823 passes through the dust collection cylinder 5 and is fixedly connected to the hollow frame 81; a limiting rod 824 is fixedly arranged on the other side of the dust collection cylinder 5, and a limiting block 825 is slidingly sleeved on the limiting rod 824, and the limiting block 825 passes through the interior of the dust collection cylinder 5 and is fixedly connected to the hollow frame 81. Through the third motor 822, under the limiting action of the limiting rod 824 and the limiting block 825, the screw rod can be rotated to drive the driving block 823 to reciprocate upward or downward, thereby driving the cleaning frame 83 to reciprocate upward or downward, so that the cleaning brush 84 cleans the filter cylinder 64.

[0053] The dust collector 5 is provided with a movable groove 826 for the movement of the driving block 823 and the limit block 825. An accordion protective cover 827 is provided in the movable groove 826. The accordion protective cover 827 can prevent the dust in the dust collector 5 from leaking from the movable groove 826 to the outside due to the position of the movable groove 826, thereby preventing the dust treatment effect from being affected.

[0054] Scrapers 85 are fixedly provided at the top and bottom ends of the hollow frame 81 for cleaning the dust on the inner wall of the dust collection tube 5. The scrapers 85 can clean the dust attached to the inner wall of the dust collection tube 5 when the cleaning frame 83 moves upward or downward.

[0055] The working principle of this embodiment is as follows: when it is necessary to clean the outer wall of the filter cartridge 64, the third motor 822 is started. Under the limiting action of the limiting rod 824 and the limiting block 825, the lead screw 821 can be rotated to drive the driving block 823, the hollow frame 81 and the cleaning frame 83 to reciprocate upward or downward. Therefore, during the movement of the cleaning frame 83, the cleaning brush 84 can clean the dust on the outer wall of the filter cartridge 64. At the same time, the scraper 85 on the hollow frame 81 can also clean the dust attached to the inner wall of the dust collection cylinder 5.

[0056] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A mixer for producing abrasives and grinding tools, characterized by: It comprises a mixing drum (1) and a drum cover (2) covering the top of the mixing drum (1), wherein the drum cover (2) is provided with a feed port, and a feed hopper (3) is fixedly provided on the feed port; A stirring mechanism (4) is used to stir the material in the stirring drum (1), and the stirring mechanism (4) is arranged on the drum cover (2); A dust handling mechanism for absorbing dust, the dust handling mechanism being arranged on the tube cover (2), the dust handling mechanism comprising a dust suction port arranged on the tube cover (2) and a dust suction cylinder (5) fixedly arranged outside the dust suction port, the dust suction cylinder (5) being provided with a dust filter assembly (6) inside; The dust filter assembly (6) comprises a support frame (61) fixedly arranged in the dust collection cylinder (5) and a filter frame (62) arranged on the support frame (61); the filter frame (62) is provided with a plurality of distributed filter ports, and the bottom of the filter port is connected to the filter cylinder (64) via a locking member (63); The locking member (63) comprises a fixed cylinder (631) fixedly arranged on the filter frame (62) and a rotating cylinder (632) rotatably arranged on the filter cylinder (64); an external thread (633) is provided on the outer wall of the fixed cylinder (631), and an internal thread (634) adapted to the external thread (633) is provided on the inner wall of the rotating cylinder (632); A negative pressure fan (7), wherein the air suction port of the negative pressure fan (7) is connected to the dust collection cylinder (5), and the air discharge port of the negative pressure fan (7) is connected to an exhaust duct.

2. The abrasive tool production mixer according to claim 1, characterized in that: It also includes a first turning frame, which is driven to turn by a first cylinder. The first turning frame is fixedly connected to the drum cover (2) and is used to enable the drum cover (2) to open and close the mixing drum (1).

3. The agitator for producing abrasive materials and grinding tools according to claim 1, characterized in that: It also includes a second turning frame, which is driven to turn by a second cylinder. A turntable is rotatably connected to the second turning frame and driven by a first motor. The turntable is fixedly connected to the mixing drum (1) and is used to cause the mixing drum (1) to rotate.

4. The agitator for producing abrasive materials and grinding tools according to claim 1, characterized in that: The stirring mechanism (4) comprises a second motor (41) fixedly arranged on the cylinder cover (2); an output shaft of the second motor (41) passes through the cylinder cover (2) and is fixedly connected to a connecting disk (42); stirring rods (43) distributed circumferentially are fixedly arranged on the connecting disk (42).

5. The agitator for producing abrasive materials and grinding tools according to claim 1, characterized in that: It also includes a dust cleaning mechanism (8) disposed in the dust collection cylinder (5) for cleaning dust on the filter cylinder (64), wherein the dust cleaning mechanism (8) includes a hollow frame (81), and the hollow frame (81) is slidably disposed in the dust collection cylinder (5) and driven by a drive assembly (82); A cleaning frame (83) is fixedly arranged on the inner side of the hollow frame (81), and a cleaning groove for the filter cartridge (64) to pass through is provided on the cleaning frame (83), and a cleaning brush (84) for cleaning the filter cartridge (64) is fixedly arranged on the inner wall of the cleaning groove.

6. The agitator for producing abrasive materials and grinding tools according to claim 5, characterized in that: The driving assembly (82) includes a lead screw (821) rotatably arranged on one side of the dust collection cylinder (5), one end of the lead screw (821) is transmission-connected to a third motor (822) provided on the dust collection cylinder (5), a driving block (823) is threadedly connected to the lead screw (821), and the driving block (823) passes through the dust collection cylinder (5) and is fixedly connected to the hollow frame (81); A limiting rod (824) is fixedly arranged on the other side of the dust collection cylinder (5), and a limiting block (825) is slidably sleeved on the limiting rod (824). The limiting block (825) penetrates into the interior of the dust collection cylinder (5) and is fixedly connected to the hollow frame (81).

7. The agitator for producing abrasive materials and grinding tools according to claim 6, characterized in that: The dust collecting cylinder (5) is provided with a moving groove (826) for the driving block (823) and the limiting block (825) to move, and an accordion protective cover (827) is provided in the moving groove (826).

8. The agitator for producing abrasive materials and grinding tools according to claim 5, characterized in that: Scrapers (85) are fixedly provided at the top and bottom ends of the hollow frame (81) for cleaning dust on the inner wall of the dust collecting cylinder (5).

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