Particle asphalt screening device for asphalt concrete

Abstract

The utility model discloses a granular asphalt screening device for asphalt concrete, which belongs to the technical field of asphalt screening and comprises a base, a blanking pipe is arranged at the upper end of the base, a discharge plate is arranged at the bottom of the blanking pipe, a screening component is arranged at the upper end of the blanking pipe, and a shell is arranged at the upper end of the screening component. The screening assembly, the first filter plate and the second filter plate are arranged for filtering, residues obtained after filtering are discharged from the first discharging port and the second discharging port respectively, the first discharging port and the second discharging port are communicated with the first discharging port and the second discharging port respectively, the first discharging port and the second discharging port are communicated with the first discharging port, and the first discharging port and the second discharging port are communicated with the first discharging port and the second discharging port respectively. The fixing pin is taken down, the fixing pin is separated from the pin hole, the pull rod is pulled upwards, the first sealing plate and the second sealing plate move upwards, the first sealing plate is collected into the first sliding groove, the second sealing plate is collected into the second sliding groove, filtering residues are discharged from the first discharging opening and the second discharging opening respectively, filtering and discharging are convenient, and use is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of asphalt screening, and in particular relates to a particle asphalt screening device for asphalt concrete. Background Art

[0002] Asphalt is the residue after crude oil distillation. Natural asphalt is stored underground. Some of it forms mineral layers or accumulates on the surface of the earth's crust. Asphalt is mainly used in industries such as coatings, plastics, rubber, and road paving. When using granular asphalt, it is necessary to screen the asphalt, and only asphalt particles that meet the requirements can be put into use.

[0003] Chinese patent application No. 202322166156.4 discloses a granular asphalt screening device for asphalt concrete production, which includes: a third electric telescopic rod, the left surface of the third electric telescopic rod is fixedly connected to a moving block, and the inner surface of the moving block is meshed and connected with activated carbon; a fixed block, the right surface of the fixed block is fixedly connected to the second electric telescopic rod, and the right surface of the second electric telescopic rod is fixedly connected to a fixed plate; a dust collector head, the lower surface of the dust collector head is provided with a filter ring, the upper surface of the dust collector head is fixedly connected to a connecting pipe, the upper surface of the connecting pipe is fixedly connected to a dust box, the right surface of the dust box is fixedly connected to a conveying pipe, and the right surface of the conveying pipe is fixedly connected to a processing box; a screening chamber, the side surface of the screening chamber is fixedly connected to a shell. Through the above structure, the device can collect and process the dust emitted during asphalt mixing and the odor generated by the adsorbed asphalt, can reduce the harm of asphalt dust and odor to the human body, protect people's health, and the activated carbon can also be replaced.

[0004] The above-mentioned patent has the following problems when used: poor screening effect, inconvenient cleaning of screened waste, which affects screening efficiency; meanwhile, the single stirring rod has poor stirring effect and low efficiency, which causes inconvenience in use. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a particle asphalt screening device for asphalt concrete, which has the characteristics of easy cleaning of screening waste materials and high mixing efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a granular asphalt screening device for asphalt concrete, comprising a base, a feed pipe is arranged at the upper end of the base, a discharge plate is arranged at the bottom of the feed pipe, a screening assembly is arranged at the upper end of the feed pipe, a shell is arranged at the upper end of the screening assembly, a feed port is arranged at the upper end side of the shell, a processing box is arranged at the upper end of the shell, a dust collection box is arranged at the side of the processing box, and a stirring assembly is arranged inside the shell.

[0007] Preferably, the screening component includes a screening box, a first filter plate, a sealing component, a first discharge port, a second discharge port, a support rod and a second filter plate, wherein the first filter plate is arranged inside the screening box, support rods are arranged around the bottom of the first filter plate, the second filter plate is arranged at the lower end of the support rod, the first discharge port is arranged on the side of the screening box flush with the lower end of the first filter plate, the second discharge port is arranged on the side of the screening box flush with the lower end of the second filter plate, and a sealing component is arranged inside the side of the screening box.

[0008] Preferably, the sealing assembly includes a first slide groove, a second slide groove, a second sealing plate, a connecting rod, a first sealing plate and a pull rod, wherein the screening box is provided with the first slide groove above the first discharge port, the screening box is provided with the second slide groove above the second discharge port, the first slide groove is movably connected to the inside of the first sealing plate, connecting rods are provided on both sides of the lower end of the first sealing plate, the lower end of the connecting rod is provided with the second sealing plate, and the upper end of the first sealing plate is provided with a pull rod.

[0009] Preferably, the sealing assembly further comprises a fixing block, a fixing pin and a pin hole, wherein the upper end of the screening box is provided with a fixing block, the middle of the fixing block is movably connected with a fixing pin, and the surface of the pull rod is provided with a plurality of pin holes.

[0010] Preferably, the stirring assembly includes a driving motor, a transmission belt, a pulley, stirring rod 1 and stirring rod 2, wherein the driving motor is arranged on the upper end side of the shell, the rotating shaft of the driving motor is connected to the stirring rod 2, the stirring rod 1 is arranged on the inner side of the shell, the upper ends of the stirring rod 1 and the stirring rod 2 are connected to the pulley, and the transmission belt is embedded in the surface of the pulley.

[0011] Preferably, a protective cover is provided on the outer side of the pulley and the transmission belt, and a sealed bearing is provided between the bottom of the protective cover and the stirring rod 1 and the stirring rod 2.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a screening assembly, the first filter plate and the second filter plate are used for filtering, the filtered residues are discharged from the first discharge port and the second discharge port respectively, the fixing pin is removed, the fixing pin is separated from the pin hole, the pull rod is pulled up, the first sealing plate and the second sealing plate are moved up, the first sealing plate is put into the first chute, the second sealing plate is put into the second chute, so that the filtered residues are discharged from the first discharge port and the second discharge port respectively, the filtering and discharging are portable and convenient to use;

[0014] 2. The utility model is provided with a stirring assembly, and the driving motor rotates to drive the stirring rod 2 to rotate. The pulley at the upper end of the stirring rod 2 drives the stirring rod 1 to rotate through the transmission belt, and the stirring efficiency is improved by the stirring rods 1 and 2, thereby improving the asphalt screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the screening component structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the sealing assembly structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the stirring assembly of the utility model;

[0019] In the figure: 1. feed inlet; 2. shell; 3. screening component; 31. screening box; 32. first filter plate; 33. sealing component; 331. fixing block; 332. fixing pin; 333. first slide; 334. second slide; 335. second sealing plate; 336. connecting rod; 337. first sealing plate; 338. pin hole; 339. pull rod; 34. first discharge port; 35. second discharge port; 36. support rod; 37. second filter plate; 4. discharge pipe; 5. base; 6. discharge plate; 7. stirring component; 71. drive motor; 72. transmission belt; 73. pulley; 74. stirring rod one; 75. stirring rod two; 76. protective cover; 8. treatment box; 9. dust collection box. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a granular asphalt screening device for asphalt concrete, comprising a base 5, a feed pipe 4 is arranged at the upper end of the base 5, a discharge plate 6 is arranged at the bottom of the feed pipe 4, a screening component 3 is arranged at the upper end of the feed pipe 4, a shell 2 is arranged at the upper end of the screening component 3, a feed port 1 is arranged at the upper end side of the shell 2, a processing box 8 is arranged at the upper end of the shell 2, a dust collection box 9 is arranged at the side of the processing box 8, and a stirring component 7 is arranged inside the shell 2.

[0023] Specifically, the screening component 3 includes a screening box 31, a first filter plate 32, a sealing component 33, a first discharge port 34, a second discharge port 35, a support rod 36 and a second filter plate 37, wherein the first filter plate 32 is arranged inside the screening box 31, support rods 36 are arranged around the bottom of the first filter plate 32, and the second filter plate 37 is arranged at the lower end of the support rod 36. The first discharge port 34 is arranged on the side of the screening box 31 at the same position as the lower end of the first filter plate 32, the second discharge port 35 is arranged on the side of the screening box 31 at the same position as the lower end of the second filter plate 37, and the sealing component 33 is arranged inside the side of the screening box 31.

[0024] By adopting the above technical solution, the first filter plate 32 and the second filter plate 37 are filtered, and the sealing assembly 33 is opened to discharge the filtered residues from the first discharge port 34 and the second discharge port 35 respectively.

[0025] Specifically, the sealing assembly 33 includes a first slide groove 333, a second slide groove 334, a second sealing plate 335, a connecting rod 336, a first sealing plate 337 and a pull rod 339, wherein the screening box 31 is located above the first discharge port 34 and is provided with a first slide groove 333, the screening box 31 is located above the second discharge port 35 and is provided with a second slide groove 334, the first slide groove 333 is internally movably connected with a first sealing plate 337, connecting rods 336 are provided on both sides of the lower end of the first sealing plate 337, the lower end of the connecting rod 336 is provided with a second sealing plate 335, and the upper end of the first sealing plate 337 is provided with a pull rod 339.

[0026] By adopting the above technical solution, the pull rod 339 is pulled up to move the first sealing plate 337 and the second sealing plate 335 upward, the first sealing plate 337 is retracted into the first slide groove 333, and the second sealing plate 335 is retracted into the second slide groove 334, so that the filtered residue is discharged from the first discharge port 34 and the second discharge port 35 respectively.

[0027] Specifically, the sealing assembly 33 also includes a fixing block 331 , a fixing pin 332 and a pin hole 338 , wherein the upper end of the screening box 31 is provided with a fixing block 331 , the middle of the fixing block 331 is movably connected with a fixing pin 332 , and the surface of the pull rod 339 is provided with a plurality of pin holes 338 .

[0028] By adopting the above technical solution, the fixing pin 332 is removed, and the fixing pin 332 is disengaged from the pin hole 338, so that the pull rod 339 can move.

[0029] When the present embodiment is used, asphalt concrete particles are added from the feed port 1, the asphalt concrete particles enter the shell 2, are stirred by the stirring assembly 7, and the dust box 9 is used for dust collection to avoid dust splashing. The first filter plate 32 and the second filter plate 37 are used for filtering, and the filtered residues are discharged from the first discharge port 34 and the second discharge port 35 respectively. The fixing pin 332 is removed, the fixing pin 332 is disengaged from the pin hole 338, and the pull rod 339 is pulled up to move the first sealing plate 337 and the second sealing plate 335 upward, and the first sealing plate 337 is retracted into the first slide groove 333, and the second sealing plate 335 is retracted into the second slide groove 334, so that the filtered residues are discharged from the first discharge port 34 and the second discharge port 35 respectively, and the filtered asphalt is discharged from the discharge plate 6;

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that the stirring assembly 7 includes a driving motor 71, a transmission belt 72, a pulley 73, a stirring rod 1 74 and a stirring rod 2 75, wherein the driving motor 71 is arranged on the upper end side of the shell 2, the rotating shaft of the driving motor 71 is connected to the stirring rod 2 75, the inner side of the shell 2 is arranged with a stirring rod 1 74, the upper ends of the stirring rod 1 74 and the stirring rod 2 75 are connected to the pulley 73, and the transmission belt 72 is embedded in the surface of the pulley 73.

[0032] By adopting the above technical solution, asphalt concrete particles are added from the feed port 1, the asphalt concrete particles enter the shell 2, the driving motor 71 rotates to drive the stirring rod 2 75 to rotate, the pulley 73 at the upper end of the stirring rod 2 75 drives the stirring rod 1 74 to rotate through the transmission belt 72, and the stirring efficiency is improved by the stirring rod 1 74 and the stirring rod 2 75, thereby improving the asphalt screening efficiency.

[0033] Specifically, a protective cover 76 is provided on the outer side of the pulley 73 and the transmission belt 72 , and a sealed bearing is provided between the bottom of the protective cover 76 and the stirring rod 1 74 and the stirring rod 2 75 .

[0034] By adopting the above technical solution, the protective cover 76 provides protection to prevent the pulley 73 and the transmission belt 72 from getting stuck, thereby ensuring stable transmission.

[0035] When this embodiment is used, asphalt concrete particles are added from the feed port 1, the asphalt concrete particles enter the shell 2, the driving motor 71 rotates to drive the stirring rod 2 75 to rotate, the pulley 73 at the upper end of the stirring rod 2 75 drives the stirring rod 1 74 to rotate through the transmission belt 72, and the stirring efficiency is improved by the stirring rod 1 74 and the stirring rod 2 75, thereby improving the asphalt screening efficiency.

[0036] The structure and use principle of the processing box 8 and the dust collection box 9 in the utility model have been disclosed in a granular asphalt screening device for asphalt concrete production disclosed in Chinese patent application No. 202322166156.4.

[0037] Working principle and use process of the utility model: when the utility model is used, asphalt concrete particles are added from the feed port 1, the asphalt concrete particles enter the shell 2, the driving motor 71 rotates to drive the stirring rod 2 75 to rotate, the pulley 73 at the upper end of the stirring rod 2 75 drives the stirring rod 1 74 to rotate through the transmission belt 72, the stirring efficiency is improved by the stirring rod 1 74 and the stirring rod 2 75, the dust box 9 performs dust suction to avoid dust splashing, the first filter plate 32 and the second filter plate 37 perform filtering, the filtered residues are discharged from the first discharge port 34 and the second discharge port 35 respectively, the fixing pin 332 is removed, the fixing pin 332 is disengaged from the pin hole 338, the pull rod 339 is pulled up, the first sealing plate 337 and the second sealing plate 335 are moved up, the first sealing plate 337 is retracted into the first slide groove 333, the second sealing plate 335 is retracted into the second slide groove 334, so that the filtered residues are discharged from the first discharge port 34 and the second discharge port 35 respectively, and the filtered asphalt is discharged from the discharge plate 6.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for screening granular asphalt of asphalt concrete, comprising a base, characterized in that: A discharge pipe is arranged at the upper end of the base, a discharge plate is arranged at the bottom of the discharge pipe, a screening assembly is arranged at the upper end of the discharge pipe, a shell is arranged at the upper end of the screening assembly, a feed port is arranged at the upper side of the shell, a processing box is arranged at the upper end of the shell, a dust collection box is arranged at the side of the processing box, and a stirring assembly is arranged inside the shell.

2. The device for screening granular asphalt of asphalt concrete according to claim 1, characterized in that: The screening component includes a screening box, a first filter plate, a sealing component, a first discharge port, a second discharge port, a support rod and a second filter plate, wherein the first filter plate is arranged inside the screening box, support rods are arranged around the bottom of the first filter plate, the second filter plate is arranged at the lower end of the support rod, the first discharge port is arranged on the side of the screening box flush with the lower end of the first filter plate, the second discharge port is arranged on the side of the screening box flush with the lower end of the second filter plate, and a sealing component is arranged inside the side of the screening box.

3. The device for screening granular asphalt of asphalt concrete according to claim 2, characterized in that: The sealing assembly includes a first slide groove, a second slide groove, a second sealing plate, a connecting rod, a first sealing plate and a pull rod, wherein the screening box is provided with the first slide groove above the first discharge port, the screening box is provided with the second slide groove above the second discharge port, the first slide groove is movably connected to the first sealing plate inside, connecting rods are provided on both sides of the lower end of the first sealing plate, the lower end of the connecting rod is provided with the second sealing plate, and the upper end of the first sealing plate is provided with a pull rod.

4. The device for screening granular asphalt of asphalt concrete according to claim 3, characterized in that: The sealing assembly also includes a fixing block, a fixing pin and a pin hole, wherein the upper end of the screening box is provided with a fixing block, the middle of the fixing block is movably connected with a fixing pin, and the surface of the pull rod is provided with a plurality of pin holes.

5. The device for screening granular asphalt of asphalt concrete according to claim 1, characterized in that: The stirring assembly includes a driving motor, a transmission belt, a pulley, a stirring rod 1 and a stirring rod 2, wherein a driving motor is arranged on the upper end side of the shell, the rotating shaft of the driving motor is connected to the stirring rod 2, the inner side of the shell is arranged on the stirring rod 1, the upper ends of the stirring rod 1 and the stirring rod 2 are connected to the pulley, and the transmission belt is embedded in the surface of the pulley.

6. The device for screening granular asphalt of asphalt concrete according to claim 5, characterized in that: A protective cover is arranged on the outer side of the belt pulley and the transmission belt, and a sealed bearing is arranged between the bottom of the protective cover and the stirring rod 1 and the stirring rod 2.

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