Hammer type crushing device for superfine powder production
By introducing a motor-driven screening system into the hammer crushing device, the rubber scraper and filter plate are used to automatically separate powder and slag, which solves the problem of low manual screening efficiency, improves the efficiency of ultrafine powder production and reduces Labor intensity.
Patent Information
- Application Number
- CN202420837005.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-22
AI Technical Summary
During the production process of ultra-fine powder, the crushed powder residue and powder usually fall from the bottom discharge port, resulting in the large crushed slag that is not completely broken, and needs to be manually screened and re-injected into the equipment. Inefficient and increase labor intensity.
A hammer crushing device including a crushing box, a screening box and a motor-driven hammer crushing device is designed. By providing a filter plate and a rubber scraper at the outlet, the motor drives the screw rod and the connecting plate to make the rubber scraper reciprocate along the guide rod. , automatically drop the powder and retain debris, reduce the need for manual screening, and conveniently clean the filter plate through elastic structure.
It improves the efficiency of ultra-fine powder production, reduces the labor intensity of manual screening, realizes automatic scrap recycling and secondary crushing processes, and improves production efficiency.
Smart Images
Figure CN222197157U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of ultrafine powder production, and specifically relates to a hammer crushing device for ultrafine powder production. Background Art
[0002] In the production of ultrafine powder, the hammer crusher is a kind of equipment that crushes materials in the form of impact. It is divided into two types: single rotor and double rotor. It is a crusher that directly crushes materials with a maximum particle size of 600-1800 mm to 25 or less.
[0003] At present, in the process of ultrafine powder production of the existing hammer crushing device, the crushed powder residue and powder usually fall from the bottom discharge port, but there may still be a part of larger debris in the material after the hammer crushing. Therefore, the staff needs to manually screen these materials and then put the larger debris back into the equipment for secondary crushing. However, the manual screening efficiency is too low and it will also increase the labor intensity of the staff, which is very inconvenient. Utility Model Content
[0004] The utility model aims to provide a hammer crushing device for ultrafine powder production, aiming to solve the problem in the prior art that in the process of ultrafine powder production, the existing hammer crushing device usually drops the crushed powder residue and powder from the bottom discharge port, but there may still be a part of larger residue in the material after the hammer crushing, so the staff needs to manually screen these materials and then put the larger residue back into the equipment for secondary crushing, but the manual screening efficiency is too low and it also increases the labor intensity of the staff, which is very inconvenient.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hammer crushing device for ultrafine powder production, comprising a processing table, a crushing box is arranged on the top of the processing table, a first motor is installed on one side of the crushing box, a crushing roller is penetrated inside the crushing box, a plurality of groups of crushing hammers are distributed in an annular manner on the outer wall of the crushing roller, a discharge port is opened at the bottom of the crushing box, and a feed hopper is connected to the outer wall of the crushing box;
[0006] A screening box is arranged at the bottom of the discharge port, two limit plates are symmetrically distributed on the inner side of the screening box, filter plates are arranged on the top of the two limit plates, a second motor is installed on the outer wall of the screening box, a screw rod is connected to the output end of the second motor, a connecting plate is threadedly connected to the outer wall of the screw rod, a rubber scraper is installed at the bottom of the connecting plate, and a guide rod is connected to the inner wall of the screening box.
[0007] As a preferred embodiment of the hammer crushing device for producing ultrafine powder of the utility model, one end of the screw rod forms a rotation connection structure with the inner wall of the screening box through a bearing.
[0008] As a preferred embodiment of the hammer crushing device for producing ultrafine powder of the utility model, the rubber scraper is in contact with the surface of the filter plate.
[0009] As a preferred embodiment of the hammer crushing device for producing ultrafine powder of the utility model, the end of the connecting plate is sleeved on the outer wall of the guide rod.
[0010] As a preferred hammer crushing device for ultrafine powder production of the utility model, one end of the filter plate is connected to a fixed plate, a slot is provided on the top of the fixed plate, a mounting seat is installed on the outer wall of the screening box, a spring is provided inside the mounting seat, one end of the spring is connected to a movable block, one end of the movable block is connected to a bayonet pin, and the outer wall of the movable block is connected to a shift block.
[0011] As a preferred embodiment of the hammer crushing device for producing ultrafine powder of the utility model, the sizes of the card slot and the card pin are matched.
[0012] As a preferred embodiment of the hammer crushing device for producing ultrafine powder of the utility model, the bayonet pin can form an elastic structure with the mounting seat through a spring and a movable block.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The crushed material falls onto the filter plate inside the screening box through the discharge port. At this time, the second motor is started to drive the screw to rotate, so that the connecting plate with threaded connection on its outer wall can drive the rubber scraper to reciprocate along the guide rod. At this time, the rubber scraper will scrape the material falling on the filter plate, so that the powder falls and the debris remains on the filter plate. Finally, the staff will put the debris on the filter plate back into the device for secondary hammer crushing, thereby improving the efficiency of ultrafine powder production and eliminating the need for manual screening by the staff.
[0015] 2. By turning the dial block, the movable block drives the latch pin to disengage from the slot, and then by turning and pulling the fixed plate, the filter plate can be pulled out from the inside of the screening box, so that the filter plate can be cleaned conveniently. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] 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:
[0017] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the main structure of the utility model;
[0019] Figure 3 This is a rear cross-sectional structural schematic diagram of the utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the utility model when viewed from above;
[0021] Figure 5 It is a schematic diagram of the enlarged structure of A of the utility model.
[0022] In the figure: 1. processing table; 2. crushing box; 3. first motor; 4. crushing roller; 5. crushing hammer; 6. discharge port; 7. screening box; 8. limit plate; 9. filter plate; 10. second motor; 11. screw; 12. connecting plate; 13. rubber scraper; 14. guide rod; 15. fixing plate; 16. slot; 17. mounting seat; 18. spring; 19. movable block; 20. latch; 21. shift block; 22. feed hopper. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-Figure 5 The utility model provides the following technical solutions: a hammer crushing device for ultrafine powder production, comprising a processing table 1, a crushing box 2 is arranged on the top of the processing table 1, a first motor 3 is installed on one side of the crushing box 2, a crushing roller 4 is penetrated inside the crushing box 2, a plurality of groups of crushing hammers 5 are distributed in an annular manner on the outer wall of the crushing roller 4, a discharge port 6 is opened at the bottom of the crushing box 2, and a feed hopper 22 is connected to the outer wall of the crushing box 2;
[0025] It should be noted that the first motor 3 is connected to one end of the crushing roller 4 through a belt, so that the first motor 3 drives multiple groups of crushing rollers 4 on the outer wall of the crushing roller 4 to rotate and crush; a cover is hinged at one end of the feed hopper 22;
[0026] A screening box 7 is provided at the bottom of the discharge port 6, two limit plates 8 are symmetrically distributed on the inner side of the screening box 7, a filter plate 9 is provided on the top of the two limit plates 8, a second motor 10 is installed on the outer wall of the screening box 7, a screw rod 11 is connected to the output end of the second motor 10, a connecting plate 12 is threadedly connected to the outer wall of the screw rod 11, a rubber scraper 13 is installed at the bottom of the connecting plate 12, and a guide rod 14 is connected to the inner wall of the screening box 7;
[0027] It should be noted that the first motor 3 and the second motor 10 are connected to an external power supply and a control switch.
[0028] Preferably, one end of the screw rod 11 forms a rotation connection structure with the inner wall of the screening box 7 through a bearing, the rubber scraper 13 fits the surface of the filter plate 9, and the end of the connecting plate 12 is sleeved on the outer wall of the guide rod 14.
[0029] When in use, the crushed material falls onto the filter plate 9 inside the screening box 7 through the discharge port 6. At this time, the second motor 10 is started to drive the screw 11 to rotate, so that the connecting plate 12 threadedly connected to the outer wall can drive the rubber scraper 13 to reciprocate along the guide rod 14. At this time, the rubber scraper 13 will scrape the material falling on the filter plate 9, so that the powder falls and the debris is retained on the filter plate 9. Finally, the staff will put the debris on the filter plate 9 back into the device for secondary hammer crushing;
[0030] It should be noted that a collection box needs to be placed at the bottom of the filter plate 9 to collect the falling fine powder. Since the collection box is only a collection and storage box, this application will not go into details about this.
[0031] Preferably: one end of the filter plate 9 is connected to a fixed plate 15, a slot 16 is provided on the top of the fixed plate 15, a mounting seat 17 is installed on the outer wall of the screening box 7, a spring 18 is provided inside the mounting seat 17, one end of the spring 18 is connected to a movable block 19, one end of the movable block 19 is connected to a bayonet 20, a shift block 21 is connected to the outer wall of the movable block 19, the size of the slot 16 and the bayonet 20 are adapted, and the bayonet 20 can form an elastic structure with the mounting seat 17 through the spring 18 and the movable block 19;
[0032] It is worth noting that the screening box 7 can form an elastic snap-fit structure with the filter plate 9 through the limit plate 8, the fixed plate 15, the slot 16, the mounting seat 17, the spring 18, the movable block 19, the latch 20, and the shifting block 21.
[0033] During specific use, the movable block 19 drives the latch 20 to disengage from the slot 16 by toggling the toggle block 21, and then the filter plate 9 can be pulled out from the inside of the screening box 7 by toggling and pulling the fixed plate 15, so that the filter plate 9 can be easily cleaned.
[0034] Working principle: when using the hammer crushing device for ultrafine powder production, first, when producing ultrafine powder, the material is first put into the device from the feed hopper 22, and the multiple groups of crushing rollers 4 on the outer wall of the crushing rollers 4 are driven by the first motor 3 to rotate and crush, and the crushed material falls on the filter plate 9 inside the screening box 7 through the discharge port 6. At this time, the second motor 10 is started to drive the screw rod 11 to rotate, so that the connecting plate 12 threadedly connected to its outer wall can drive the rubber scraper 13 to reciprocate along the guide rod 14. At this time, the rubber scraper 13 will scrape the material falling on the filter plate 9, so that the powder falls and the debris is retained on the filter plate 9. Finally, the staff will put the debris on the filter plate 9 back into the device for secondary hammer crushing, and by toggling the dial block 21, the movable block 19 drives the latch 20 to disengage from the latch slot 16, and then the filter plate 9 can be pulled out from the inside of the screening box 7 by toggling and pulling the fixed plate 15, so that the filter plate 9 can be easily cleaned.
[0035] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A hammer crushing device for producing ultrafine powder, comprising a processing table (1), Features: A crushing box (2) is arranged on the top of the processing table (1), a first motor (3) is installed on one side of the crushing box (2), a crushing roller (4) penetrates the interior of the crushing box (2), a plurality of groups of crushing hammers (5) are distributed in an annular manner on the outer wall of the crushing roller (4), a discharge port (6) is opened at the bottom of the crushing box (2), and a feed hopper (22) is connected to the outer wall of the crushing box (2); A screening box (7) is arranged at the bottom of the discharge port (6), two limit plates (8) are symmetrically distributed on the inner side of the screening box (7), filter plates (9) are arranged on the tops of the two limit plates (8), a second motor (10) is installed on the outer wall of the screening box (7), a screw rod (11) is connected to the output end of the second motor (10), a connecting plate (12) is threadedly connected to the outer wall of the screw rod (11), a rubber scraper (13) is installed at the bottom of the connecting plate (12), and a guide rod (14) is connected to the inner wall of the screening box (7).
2. A hammer crushing device for producing ultrafine powder according to claim 1, Features: One end of the screw rod (11) forms a rotationally connected structure with the inner wall of the screening box (7) via a bearing.
3. A hammer crushing device for producing ultrafine powder according to claim 1, Features: The rubber scraper (13) is in contact with the surface of the filter plate (9).
4. A hammer crushing device for producing ultrafine powder according to claim 1, Features: The end of the connecting plate (12) is sleeved on the outer wall of the guide rod (14).
5. A hammer crushing device for producing ultrafine powder according to claim 1, Features: One end of the filter plate (9) is connected to a fixed plate (15), a top of the fixed plate (15) is provided with a slot (16), an outer wall of the screening box (7) is provided with a mounting seat (17), a spring (18) is provided inside the mounting seat (17), one end of the spring (18) is connected to a movable block (19), one end of the movable block (19) is connected to a latch (20), and the outer wall of the movable block (19) is connected to a shifting block (21).
6. A hammer crushing device for producing ultrafine powder according to claim 5, Features: The sizes of the locking groove (16) and the locking pin (20) are matched.
7. A hammer crushing device for producing ultrafine powder according to claim 5, Features: The latch (20) can form an elastic structure with the mounting seat (17) via a spring (18) and a movable block (19).