Double-shaft stirring device for asphalt stirring
By using a combination of a double-axis stirring device, a spiral blade and a suction fan in the asphalt mixer, the problem of not being easy to stir evenly and flue gas pollution of raw materials is solved, and uniform stirring of raw materials and effective collection of flue gas is achieved, ensuring the environment and health Safety.
Patent Information
- Application Number
- CN202420552587.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-21
AI Technical Summary
During the mixing process, the raw materials of existing asphalt mixers are not easy to stir evenly and produce a large amount of harmful flue gas, polluting the environment and endangering health.
A double-axis stirring device for asphalt stirring is designed. By setting two sets of stirring shafts and stirring rods in the stirring drum, and equipped with spiral blades and suction fans, uniform stirring of raw materials and collection of flue gas are achieved.
It realizes uniform stirring of raw materials and effective collection of flue gas, avoiding environmental pollution and health hazards to staff.
Smart Images
Figure CN222131547U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of asphalt stirring, in particular to a double-shaft stirring device for asphalt stirring. Background Art
[0002] Asphalt is a common building material. It is mainly composed of elements such as carbon, hydrogen, oxygen, and sulfur, especially a high content of stainless steel, which gives asphalt good chemical and thermal stability.
[0003] Asphalt mixers are mainly used for mixing, homogenizing, thickening, neutralizing, cooling and storing asphalt. They are key equipment to ensure the quality and performance of asphalt products, and play a very important role in asphalt production and construction quality control.
[0004] However, the existing asphalt mixers have a single mixing method and there is no separate mixing mechanism at the feed port, which easily results in the failure to mix the production raw materials evenly and thoroughly. At the same time, a large amount of harmful fumes will be generated during the heating and mixing of asphalt. If these fumes are directly discharged, they will not only pollute the environment, but also cause harm to the health of the workers. Utility Model Content
[0005] 1. Technical issues to be resolved
[0006] In view of the deficiencies in the prior art, the utility model provides a double-shaft stirring device for asphalt stirring, which solves the problem that the raw materials at the feed port are difficult to stir and the smoke pollution generated during use.
[0007] (II) Technical solution
[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a double-shaft stirring device for asphalt mixing includes a stirring drum, two groups of stirring shafts are rotatably connected in the cavity of the stirring drum through bearings, multiple stirring rods are connected to the outsides of the two groups of stirring shafts, and the stirring rods are located in the cavity of the stirring drum, the two groups of stirring shafts extend to the upper side of the stirring drum and are connected to a first motor, the upper end of the stirring drum is connected to a feed pipe, and the feed pipe is located in front of the two groups of first motors, and a discharge port is opened at the lower end of the stirring drum, and the discharge port is located Between the two groups of stirring shafts, the lower end of the discharge port is connected to a discharge pipe, and the discharge pipe is provided with a discharge mechanism, and the discharge mechanism is located on the lower side of the stirring drum. A spiral blade is rotatably connected to the stirring drum through a bearing, and the spiral blade is located between the two groups of stirring shafts, and the spiral blade is located on the upper side of the discharge port. The shaft of the spiral blade extends to the front side of the stirring drum and is connected to a second motor. An air pipe is inserted at the right end of the stirring drum, and a suction fan is connected to the lower end of the air pipe. A collecting drum is connected to the lower end of the suction fan, and the collecting drum is located on the right side of the stirring drum.
[0009] Preferably, the spiral blade is located at the lower side of the stirring rod, a dustproof net is provided at the left end of the air pipe, and the dustproof net is located on the inner wall of the stirring drum.
[0010] Preferably, the unloading mechanism includes a baffle, a limit block, a telescopic cylinder, and a support plate. The baffle is inserted into the upper end of the discharge pipe and is located at the lower end of the discharge port. The right end of the baffle is connected to the limit block, and the limit block is located on the outside of the discharge pipe. The right end of the limit block is connected to the telescopic cylinder, and the telescopic cylinder is located on the lower side of the mixing drum. The lower end of the telescopic cylinder is connected to the support plate, and the support plate is connected to the outer end of the discharge pipe, and the right end of the support plate extends upward to the lower end of the mixing drum.
[0011] Preferably, the baffle is a circular baffle, the diameter of the baffle is larger than the inner diameter of the discharge port and the discharge pipe, and the discharge pipe is provided with a slide groove matched with the baffle.
[0012] Preferably, an arc-shaped groove matching the discharge pipe is formed on the inner wall of the limit block and the left end of the support plate.
[0013] Preferably, the four corners of the lower end of the mixing drum are connected with support legs.
[0014] (III) Beneficial effects
[0015] The utility model provides a double-shaft stirring device for asphalt stirring, which has the following beneficial effects:
[0016] Two groups of stirring shafts are rotatably connected via bearings in the cavity of the mixing drum. The stirring shafts are rotated and stirred by a first motor. Stirring rods outside the two groups of stirring shafts stir the asphalt. A discharge port is provided at the lower end of the mixing drum. A discharge pipe is connected to the lower end of the discharge port. A discharge mechanism is provided on the discharge pipe. The asphalt in the mixing drum is discharged through the discharge mechanism. The spiral blades are used to evenly stir the raw materials at the discharge port through the second motor. The suction fan transmits the smoke in the mixing drum to the collecting drum through the air pipe, so as to collect the smoke and avoid environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the material feeding mechanism of the utility model;
[0019] Figure 3 This is a schematic diagram of the chute of the utility model;
[0020] Figure 4 This is a schematic diagram of the dustproof net of the utility model;
[0021] In the figure: 1. mixing drum; 2. mixing shaft; 3. mixing rod; 4. first motor; 5. feeding pipe; 6. discharging port; 7. discharging pipe; 8. unloading mechanism; 81. baffle; 82. limit block; 83. telescopic cylinder; 84. support plate; 9. spiral blade; 10. slide; 11. support leg; 12. second motor; 13. air pipe; 14. suction fan; 15. collecting drum; 16. dust screen. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1-4 The utility model provides a technical solution: a double-shaft stirring device for asphalt mixing comprises a stirring drum 1, wherein two groups of stirring shafts 2 are rotatably connected in the cavity of the stirring drum 1 through bearings, multiple stirring rods 3 are connected to the outer sides of the two groups of stirring shafts 2, and the stirring rods 3 are located in the cavity of the stirring drum 1, the two groups of stirring shafts 2 extend to the upper side of the stirring drum 1 and are connected to a first motor 4, the upper end of the stirring drum 1 is connected to a feed pipe 5, and the feed pipe 5 is located in front of the two groups of first motors 4, the lower end of the stirring drum 1 is provided with a discharge port 6, and the discharge port 6 is located between the two groups of stirring shafts 2, and the discharge port 6 is provided between the two groups of stirring shafts 2. The lower end of the port 6 is connected to a discharge pipe 7, and a discharge mechanism 8 is provided on the discharge pipe 7, and the discharge mechanism 8 is located at the lower side of the mixing drum 1. A spiral blade 9 is rotatably connected to the mixing drum 1 through a bearing, and the spiral blade 9 is located between the two sets of mixing shafts 2, and the spiral blade 9 is located on the upper side of the discharge port 6. The axis of the spiral blade 9 extends to the front side of the mixing drum 1 and is connected to a second motor 12. An air pipe 13 is inserted at the right end of the mixing drum 1, and a suction fan 14 is connected to the lower end of the air pipe 13. A collecting barrel 15 is connected to the lower end of the suction fan 14, and the collecting barrel 15 is located on the right side of the mixing drum 1. Two groups of stirring shafts 2 are rotatably connected via bearings in the cavity of the mixing drum 1. The stirring shafts 2 are rotated and stirred by a first motor 4. The stirring rods 3 outside the two groups of stirring shafts 2 stir the asphalt. A discharge port 6 is provided at the lower end of the mixing drum 1. A discharge pipe 7 is connected to the lower end of the discharge port 6. A discharge mechanism 8 is provided on the discharge pipe 7. The asphalt in the mixing drum 1 is discharged through the discharge mechanism 8. The spiral blades 9 are used to evenly stir the raw materials at the discharge port 6 through the second motor 12. The suction fan 14 transmits the smoke in the mixing drum 1 to the collecting barrel 15 through the air pipe 13, so as to collect the smoke and avoid environmental pollution.
[0024] See also Figure 1-4 The utility model provides a technical solution: the spiral blade 9 is located at the lower side of the stirring rod 3, and the left end of the air pipe 13 is provided with a dustproof net 16, and the dustproof net 16 is located on the inner wall of the mixing drum 1. The spiral blade 9 is located at the lower side of the stirring rod 3 to avoid affecting the rotation of the stirring rod 3, and the dustproof net 16 provided at the left end of the air pipe 13 is used to prevent objects from entering the air pipe 13 and avoid damage to the suction fan 14.
[0025] See also Figure 1-4 The utility model provides a technical solution: the unloading mechanism 8 includes a baffle 81, a limit block 82, a telescopic cylinder 83, and a support plate 84. The baffle 81 is plugged into the upper end of the discharge pipe 7, and the baffle 81 is located at the lower end of the discharge port 6. The right end of the baffle 81 is connected to the limit block 82, and the limit block 82 is located on the outside of the discharge pipe 7. The right end of the limit block 82 is connected to the telescopic cylinder 83, and the telescopic cylinder 83 is located on the lower side of the mixing drum 1. The lower end of the telescopic cylinder 83 is connected to the support plate 84, and the support plate 84 is connected to the outer end of the discharge pipe 7, and the right end of the support plate 84 extends upward to the lower end of the mixing drum 1. The unloading mechanism 8 is inserted into the upper end of the discharge pipe 7 through a baffle 81, and the baffle 81 seals the discharge port 6. The right end of the baffle 81 is connected to a limit block 82, and the right end of the limit block 82 is connected to a telescopic cylinder 83. The baffle 81 connected to the limit block 82 is telescopically extended by the telescopic cylinder 83, so that the baffle 81 can be separated from the discharge pipe 7, thereby completing the unloading. The telescopic cylinder 83 is supported by a support plate 84, and the support plate 84 is connected to the bottom of the mixing drum 1.
[0026] See also Figure 1-4 The utility model provides a technical solution: the baffle 81 is a circular baffle 81, the diameter of the baffle 81 is larger than the inner diameter of the discharge port 6 and the discharge pipe 7, and the discharge pipe 7 is provided with a slide groove 10 adapted to the baffle 81. The diameter of the baffle 81 is larger than the inner diameter of the discharge port 6 and the discharge pipe 7, so that the baffle 81 can seal the discharge port 6 and be placed on the discharge pipe 7, and the slide groove 10 provided on the discharge pipe 7 is used for the sliding connection of the baffle 81.
[0027] See also Figure 1-4 The utility model provides a technical solution: the inner wall of the limit block 82 and the left end of the support plate 84 are both provided with arc grooves adapted to the discharge pipe 7. The arc grooves provided on the limit block 82 and the support plate 84 are adapted to the surface of the discharge pipe 7, and the limit block 82 is limited by the arc grooves.
[0028] See also Figure 1-4 The utility model provides a technical solution: the four corners of the lower end of the mixing drum 1 are connected with support legs 11. The support legs 11 at the lower end of the mixing drum 1 are used to support the device body.
[0029] During operation, two groups of stirring shafts 2 are rotatably connected in the cavity of the mixing drum 1 through bearings, and the stirring shafts 2 are rotated and stirred by the first motor 4. The stirring rods 3 outside the two groups of stirring shafts 2 stir the asphalt. A discharge port 6 is provided at the lower end of the mixing drum 1, and a discharge pipe 7 is connected to the lower end of the discharge port 6. A discharge mechanism 8 is provided on the discharge pipe 7. The discharge mechanism 8 is plugged into the upper end of the discharge pipe 7 through a baffle 81, and the baffle 81 seals the discharge port 6. The right end of the baffle 81 is connected to a limit block 82, and the right end of the limit block 82 is connected to a telescopic cylinder 83, and the baffle 81 connected to the limit block 82 is telescopically extended by the telescopic cylinder 83. The baffle 81 can be separated from the discharge pipe 7 to complete the unloading. The telescopic cylinder 83 is supported by the support plate 84, and the support plate 84 is connected to the bottom of the mixing drum 1. The spiral blade 9 is used to evenly stir the raw materials at the discharge port 6 through the second motor 12. The suction fan 14 transmits the smoke in the mixing drum 1 to the collecting barrel 15 through the air pipe 13, so as to collect the smoke and avoid polluting the environment. The spiral blade 9 is located on the lower side of the stirring rod 3 to avoid affecting the rotation of the stirring rod 3. The dustproof net 16 provided at the left end of the air pipe 13 is used to prevent objects from entering the air pipe 13 to avoid damage to the suction fan 14.
[0030] In summary, the double-shaft stirring device for asphalt mixing solves the problem that the raw materials at the feed port are difficult to stir and the smoke pollution generated during use.
[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0032] 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 double-shaft stirring device for asphalt stirring, comprising a stirring drum (1), characterized in that: Two groups of stirring shafts (2) are rotatably connected in the cavity of the stirring drum (1) via bearings. The outer sides of the two groups of stirring shafts (2) are connected to a plurality of stirring rods (3), and the stirring rods (3) are located in the cavity of the stirring drum (1). The two groups of stirring shafts (2) extend to the upper side of the stirring drum (1) and are connected to a first motor (4). The upper end of the stirring drum (1) is connected to a feed pipe (5), and the feed pipe (5) is located in front of the two groups of first motors (4). The lower end of the stirring drum (1) is provided with a discharge port (6), and the discharge port (6) is located between the two groups of stirring shafts (2). The lower end of the discharge port (6) is connected to a discharge pipe (7), and the discharge pipe (7) is connected to the discharge pipe (8). 7) is provided with a feeding mechanism (8), and the feeding mechanism (8) is located at the lower side of the mixing drum (1); a spiral blade (9) is rotatably connected to the mixing drum (1) through a bearing; the spiral blade (9) is located between the two groups of mixing shafts (2), and the spiral blade (9) is located at the upper side of the discharge port (6); the shaft of the spiral blade (9) extends to the front side of the mixing drum (1) and is connected to a second motor (12); an air pipe (13) is inserted at the right end of the mixing drum (1); a suction fan (14) is connected at the lower end of the suction fan (14); a collecting drum (15) is connected at the lower end of the mixing drum (1), and the collecting drum (15) is located at the right side of the mixing drum (1).
2. A double-shaft stirring device for asphalt stirring according to claim 1, characterized in that: The spiral blade (9) is located at the lower side of the stirring rod (3), and a dustproof net (16) is provided at the left end of the air pipe (13), and the dustproof net (16) is located on the inner wall of the stirring drum (1).
3. A double-shaft stirring device for asphalt stirring according to claim 1, characterized in that: The unloading mechanism (8) comprises a baffle (81), a limit block (82), a telescopic cylinder (83), and a support plate (84); the baffle (81) is plugged into the upper end of the discharge pipe (7), and the baffle (81) is located at the lower end of the discharge port (6); the right end of the baffle (81) is connected to the limit block (82), and the limit block (82) is located outside the discharge pipe (7); the right end of the limit block (82) is connected to the telescopic cylinder (83), and the telescopic cylinder (83) is located at the lower side of the mixing drum (1); the lower end of the telescopic cylinder (83) is connected to the support plate (84), and the support plate (84) is connected to the outer end of the discharge pipe (7), and the right end of the support plate (84) extends upward to the lower end of the mixing drum (1).
4. A double-shaft stirring device for asphalt stirring according to claim 3, characterized in that: The baffle (81) is a circular baffle (81), the diameter of the baffle (81) is larger than the inner diameter of the discharge port (6) and the discharge pipe (7), and a slide groove (10) adapted to the baffle (81) is provided on the discharge pipe (7).
5. A double-shaft stirring device for asphalt stirring according to claim 3, characterized in that: The inner wall of the limit block (82) and the left end of the support plate (84) are both provided with an arc-shaped groove adapted to the discharge pipe (7).
6. A double-shaft stirring device for asphalt stirring according to claim 1, characterized in that: The four corners of the lower end of the mixing drum (1) are connected to support legs (11).