Waste asphalt crushing and screening device
By designing anti-blocking components and unloading components in the asphalt crushing device, the problem of easy blockage of the mesh hole of the screen plate is solved, and the complete unloading and efficient screening and crushing of the asphalt is achieved.
Patent Information
- Application Number
- CN202421567681.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-04
AI Technical Summary
In the existing asphalt crushing device, the mesh holes of the screen plate are easily blocked by asphalt, which affects the asphalt drop flow rate and is inconvenient to clean.
A waste asphalt crushing screening device is designed, using anti-blocking components and a discharge assembly. The anti-blocking components push out the blocked asphalt through the electric telescopic rod and guide plate, and the discharge assembly realizes complete discharge of the asphalt through the servo motor and scraper.
It effectively avoids asphalt blocking the blanking holes, improves the asphalt drop efficiency, achieves the convenience of complete cutting and cleaning of asphalt, and improves the overall screening and crushing efficiency.
Smart Images
Figure CN222819345U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of asphalt, in particular to a waste asphalt crushing and screening device. Background Art
[0002] Asphalt concrete is commonly known as asphalt concrete. It is a mixture of artificially selected mineral materials with a certain graded composition, such as crushed stone or crushed gravel, stone chips or sand, mineral powder, etc., and a certain proportion of road asphalt materials, mixed under strictly controlled conditions.
[0003] According to the Chinese patent authorization number CN 220195100 U, it is related to an asphalt concrete crushing device, which is screened by setting a sieve plate. However, after long-term use, the mesh of the sieve plate is easily clogged with asphalt, which affects the subsequent falling flow rate of the asphalt and is inconvenient to clean. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a waste asphalt crushing and screening device, which solves the problems raised in the above-mentioned background technology.
[0006] (2) Technical solution
[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0008] A waste asphalt crushing and screening device comprises a crushing box, a box door is hinged on the crushing box, a feed hopper is arranged at the upper end of the crushing box, a support leg is installed at the bottom end of the crushing box, an anti-blocking component is arranged in the crushing box, a material discharge component is arranged in the crushing box, two crushing rollers are rotatably connected in the crushing box, one end of each of the two crushing rollers is equipped with a gear, a support block is installed at one end of the crushing box, a driving motor is installed on the support block, the output end of the driving motor is connected to one of the gears, the two gears are meshed with each other, a screen plate is installed in the crushing box, a group of material dropping holes are opened at the upper end of the screen plate, and a material discharge hole is opened at one end of the crushing box;
[0009] The anti-blocking assembly comprises two electric telescopic rods installed on the top wall of the inner cavity of the crushing box, the telescopic ends of the two electric telescopic rods are both installed with guide plates, and the bottom ends of the two guide plates are both installed with a group of penetrating rods.
[0010] Furthermore, the number of the through rods is the same as the blanking holes and they are located in the same vertical direction.
[0011] Furthermore, the guide plate is in a right-angled triangle structure, and the two guide plates are symmetrically arranged.
[0012] Furthermore, the unloading assembly includes limit plates symmetrically installed on the two side walls of the inner cavity of the crushing box, a scraper is slidingly provided between the two limit plates, a screw is rotatably connected between one of the limit plates and the crushing box, a servo motor is installed at one end of the crushing box, the output end of the servo motor is connected to the screw, and the screw is threadedly connected to the scraper.
[0013] Furthermore, the screw rod is located in one of the limiting plates.
[0014] Furthermore, the scraper is in contact with the bottom wall of the sieve plate.
[0015] (III) Beneficial effects
[0016] Compared with the prior art, the utility model provides a waste asphalt crushing and screening device, which has the following beneficial effects:
[0017] The utility model crushes the asphalt by a crushing roller, and the crushed asphalt can be screened by a sieve plate. The asphalt that has not been completely screened is discharged through a discharge hole and re-injected into the device for screening again. The screened asphalt falls through the drop holes on the sieve plate, and the screened asphalt can be discharged by the setting of the drop hole component, and the asphalt adhered to the sieve plate and the inner wall of the crushing box can be scraped, so that the discharge is complete and convenient; and the asphalt blocked in the drop hole can be pushed out by the setting of the anti-blocking component, so as to avoid the phenomenon that the drop hole is blocked by asphalt and affects the subsequent asphalt falling efficiency, thereby improving the screening and crushing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of the crushing box of the utility model;
[0020] Figure 3 It is a structural schematic diagram of the anti-blocking component of the utility model;
[0021] Figure 4 It is a structural schematic diagram of the blanking component of the utility model.
[0022] In the figure: 1. Crushing box; 2. Feed hopper; 3. Support legs; 4. Box door; 5. Discharge hole; 6. Screen plate; 7. Dropping hole; 8. Anti-blocking component; 81. Electric telescopic rod; 82. Guide plate; 83. Through-hole; 9. Discharge component; 91. Limit plate; 92. Scraper; 93. Screw; 94. Servo motor; 10. Crushing roller; 11. Gear; 12. Support block; 13. Drive motor. 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] Example
[0025] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a waste asphalt crushing and screening device proposed in one embodiment of the utility model comprises a crushing box 1, a box door 4 is hinged on the crushing box 1, a feed hopper 2 is arranged at the upper end of the crushing box 1, a support leg 3 is installed at the bottom end of the crushing box 1, an anti-blocking component 8 is arranged in the crushing box 1, a material discharge component 9 is arranged in the crushing box 1, two crushing rollers 10 are rotatably connected in the crushing box 1, a gear 11 is installed at one end of the two crushing rollers 10, a support block 12 is installed at one end of the crushing box 1, a driving motor 13 is installed on the supporting block 12, an output end of the driving motor 13 is connected to one of the gears 11, and the two gears 11 are meshed with each other, a screen plate 6 is installed in the crushing box 1, and a set of drop plates are provided at the upper end of the screen plate 6 A discharge hole 5 is provided at one end of the crushing box 1; the crushing is performed by the crushing roller 10, and the crushed asphalt can be screened through the screen plate 6. The asphalt that has not been completely screened is discharged through the discharge hole 5 and re-injected into the device for re-screening. The screened asphalt falls through the drop hole 7 on the screen plate 6, and the screened asphalt can be discharged through the setting of the discharge component 9, and the asphalt adhered to the screen plate 6 and the inner wall of the crushing box 1 can be scraped, so that the discharge is complete and convenient; and through the setting of the anti-blocking component 8, the asphalt blocked in the drop hole 7 can be pushed out, which can avoid the phenomenon that the drop hole 7 is blocked by asphalt and affects the subsequent asphalt falling efficiency, thereby improving the screening and crushing efficiency;
[0026] The anti-blocking component 8 includes two electric telescopic rods 81 installed on the top wall of the inner cavity of the crushing box 1, and the telescopic ends of the two electric telescopic rods 81 are installed with guide plates 82, and the bottom ends of the two guide plates 82 are installed with a group of through rods 83; after the device has been used for a period of time, the electric telescopic rods 81 drive the guide plates 82 to move downward, and drive the through rods 83 to move downward. When the through rods 83 are inserted into the drop hole 7, the asphalt blocked in the drop hole 7 can be cleared and pushed out, so as to achieve material discharge and avoid blockage.
[0027] like Figure 3 As shown, in some embodiments, the number of through rods 83 is the same as the blanking holes 7 and they are located in the same vertical direction, so as to facilitate dredging.
[0028] like Figure 3 As shown, in some embodiments, the guide plate 82 is in a right-angled triangle structure, and the two guide plates 82 are symmetrically arranged; the structure is simple and convenient for guiding the asphalt.
[0029] like Figure 4 As shown, in some embodiments, the unloading component 9 includes a limit plate 91 symmetrically installed on the two side walls of the inner cavity of the crushing box 1, and a scraper 92 slides between the two limit plates 91. A screw rod 93 is connected to the crushing box 1 for rotation. A servo motor 94 is installed at one end of the crushing box 1, and the output end of the servo motor 94 is connected to the screw rod 93, and the screw rod 93 is threadedly connected to the scraper 92; the screw rod 93 is driven to rotate by the servo motor 94, and the scraper 92 is driven to slide on the limit plate 91, and the asphalt can be pushed out by the scraper 92 to realize unloading.
[0030] like Figure 4 As shown, in some embodiments, the screw rod 93 is located in one of the limiting plates 91 for easy protection.
[0031] like Figure 2 As shown, in some embodiments, the scraper plate 92 is in contact with the bottom wall of the screen plate 6 to facilitate scraping.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded 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 utility model shall be included in the protection scope of the utility model.
Claims
1. A waste asphalt crushing and screening device, comprising a crushing box (1), characterized in that: The crushing box (1) is hinged with a box door (4), the upper end of the crushing box (1) is provided with a feed hopper (2), the bottom end of the crushing box (1) is installed with a support leg (3), the crushing box (1) is provided with an anti-blocking component (8), the crushing box (1) is provided with a material discharge component (9), two crushing rollers (10) are rotatably connected in the crushing box (1), one end of each of the two crushing rollers (10) is installed with a gear (11), a support block (12) is installed at one end of the crushing box (1), a driving motor (13) is installed on the support block (12), the output end of the driving motor (13) is connected to one of the gears (11), and the two gears (11) are meshed with each other, a screen plate (6) is installed in the crushing box (1), a group of material discharge holes (7) are opened at the upper end of the screen plate (6), and a material discharge hole (5) is opened at one end of the crushing box (1); The anti-blocking assembly (8) comprises two electric telescopic rods (81) mounted on the top wall of the inner cavity of the crushing box (1), the telescopic ends of the two electric telescopic rods (81) are both mounted with guide plates (82), and the bottom ends of the two guide plates (82) are both mounted with a set of through rods (83).
2. The waste asphalt crushing and screening device according to claim 1 is characterized in that: The number of the through rods (83) is the same as the number of the blanking holes (7) and they are located in the same vertical direction.
3. The waste asphalt crushing and screening device according to claim 1 is characterized in that: The guide plate (82) is in a right-angled triangle structure, and the two guide plates (82) are symmetrically arranged.
4. The waste asphalt crushing and screening device according to claim 1, characterized in that: The unloading assembly (9) comprises limit plates (91) symmetrically mounted on the two side walls of the inner cavity of the crushing box (1); a scraper (92) slides between the two limit plates (91); a screw rod (93) is rotatably connected between one of the limit plates (91) and the crushing box (1); a servo motor (94) is mounted at one end of the crushing box (1); the output end of the servo motor (94) is connected to the screw rod (93); and the screw rod (93) is threadedly connected to the scraper (92).
5. The waste asphalt crushing and screening device according to claim 4 is characterized in that: The screw rod (93) is located inside one of the limiting plates (91).
6. The waste asphalt crushing and screening device according to claim 4, characterized in that: The scraper (92) is in contact with the bottom wall of the sieve plate (6).