Quick-release stirring paddle for asphalt mixing station

Abstract

The utility model discloses a quick-release stirring paddle for an asphalt mixing station. A top plate is arranged at the upper end of a main shaft, and first mounting holes are formed in the circumference of the top plate; a threaded hole is formed in the middle of the lower end surface of the main shaft; first flanges are arranged at the upper end and the lower end of the first shaft sleeve, a limiting hole is formed in the middle of the first shaft sleeve, a clamping groove corresponding to the clamping piece is formed in the outer side of the limiting hole, and the first shaft sleeve slidably sleeves the upper end of the main shaft through the limiting hole and the clamping groove; a limiting hole and a clamping groove are formed in the middle of the second shaft sleeve, a second supporting arm is arranged on the outer side of the second shaft sleeve, a spiral twisted blade is installed through the second supporting arm, second flanges are arranged at the upper end and the lower end of the second shaft sleeve, and third installation holes are formed in the circumferences of the second flanges. The third mounting holes are connected with the second mounting holes through bolts, the structure is simple, and disassembly is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of mixing equipment, in particular to a quick-detachable mixing paddle for an asphalt mixing station. Background Art

[0002] In asphalt mixing plant equipment, the impeller is one of the core components, which is used to evenly mix various aggregates, powders and liquid asphalt to ensure the quality of asphalt mixture. However, the traditional impeller has a complex structure and cumbersome installation and disassembly process, which is not only difficult to maintain, but also takes a long time to replace or adjust the impeller, affecting work efficiency and production cycle.

[0003] Most of the impellers on the market are of integrated design. Once a part is worn or needs to be cleaned or replaced, it is often necessary to disassemble the entire impeller. This design is not conducive to rapid repair and replacement of components, increasing equipment downtime and maintenance costs. In addition, the blade layout and structural form of existing impellers are difficult to flexibly adjust, and cannot be effectively configured according to different working conditions and needs, which has caused certain limitations in improving mixing efficiency and product quality. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a quick-detachable stirring paddle for an asphalt mixing station which has a simple structure, is easy to disassemble, and can be arbitrarily adjusted and configured according to working conditions.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a quick-detachable agitator for an asphalt mixing plant, including a main shaft, a top plate at the upper end of the main shaft, and a first mounting hole opened in the circumference of the top plate; a clamping piece is arranged on the outer surface of the main shaft, and a threaded hole is opened in the middle of the lower end surface of the main shaft; it also includes a straight blade device, and the straight blade device includes a first sleeve, and first flanges are arranged at both upper and lower ends of the first sleeve, a limiting hole is opened in the middle of the first sleeve, and a slot corresponding to the clamping piece is opened on the outer side of the limiting hole, and the first sleeve is slidably sleeved on the upper end of the main shaft through the limiting hole and the slot, and second mounting holes arranged in a circumferential array are opened on the first flange, and the second mounting holes are bolted to the first mounting holes, and a plurality of first support arms are arranged in an array on the outer side of the first sleeve, and each first The support arms are all bolted with straight blades; a twisted blade device, which includes a second sleeve, a limiting hole and a slot are opened in the middle of the second sleeve, the second sleeve is arranged in the middle of the main shaft through the limiting hole and the slot and is placed at the lower end of the straight blade device, a second support arm is arranged in the spiral array outside the second sleeve, a spiral twisted blade is installed through the second support arm, second flanges are arranged at the upper and lower ends of the second sleeve, a third mounting hole is opened on the circumference of the second flange, and the third mounting hole is bolted to the second mounting hole; a second straight blade device is installed at the lower end of the twisted blade device; a plug, the plug includes a third flange, a threaded rod extending upward is arranged in the middle of the third flange, the threaded rod is threadedly connected in the threaded hole, and the third flange is butt-jointed with the second flange.

[0006] Preferably, the clamping member is a convex member structure which is arranged in a circular array and continuously from top to bottom along the main axis.

[0007] Preferably, the number of the straight blade devices is N, where N is a positive integer greater than or equal to 2, and the multiple straight blade devices are respectively mounted on the upper and lower ends of the main shaft, and are placed on the upper and lower ends of the twisted blade device; the upper end straight blade device is bolted to the top plate at the upper end of the main shaft through the second mounting hole on the first flange.

[0008] Preferably, a plurality of first support arms are protrudingly arranged in a circular array on the outer side of the first sleeve, the first support arms are obliquely arranged on the side, a first positioning hole is opened on the first support arm, and a straight blade is bolted through the first positioning hole.

[0009] Preferably, a plurality of second support arms are arranged in a spiral array downwardly from the circumference of the outer surface of the second sleeve, and the second support arms are provided with second positioning holes, through which the spiral blades are bolted.

[0010] Preferably, the twisted blade device is arranged in the middle of the main shaft through a limiting hole and a slot and is placed between the two straight blade devices. The twisted blade device is bolted to the first flanges of the straight blade devices at the upper and lower ends of the sleeve through the second flanges at the upper and lower ends of the sleeve.

[0011] Preferably, the plug is threadedly connected in the threaded hole through a threaded rod, the plug has a fourth mounting hole on the third flange, and the third flange is bolted to the second mounting hole of the straight blade device through the fourth mounting hole.

[0012] The beneficial effects of the utility model are: 1. By arranging clamps and threaded holes on the main shaft, combined with the sleeve, flange and limit hole design of the straight blade device and the twisted blade device, rapid disassembly and fastening of the components are achieved, which greatly simplifies the installation, disassembly and maintenance process of the agitator, significantly reduces equipment downtime, reduces maintenance costs, and improves work efficiency and production cycle flexibility.

[0013] 2. The number of straight blade devices and twisted blade devices can be set according to actual working conditions, and the position can be flexibly adjusted on the main shaft as needed. Through the positioning hole design of the first support arm and the second support arm, the blade angle can be easily replaced or adjusted to adapt to different mixing requirements and material characteristics, thereby improving the mixing quality and efficiency.

[0014] 3. The circular array continuous laying structure of the clamps enhances the overall stability and load-bearing capacity of the agitator. The straight blade device and the twisted blade device are precisely mounted on the main shaft through limiting holes and slots, and are connected with flange bolts to ensure stability during operation and avoid loosening problems caused by vibration.

[0015] 4. The plug structure adopts a threaded connection method, which can ensure the effective sealing of the bottom of the stirring paddle, facilitate the complete disassembly and assembly of the stirring paddle, and further improve the convenience and durability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main shaft structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the first shaft sleeve structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the straight blade structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the second shaft sleeve structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the spiral blade structure of the utility model;

[0022] Figure 7 This is a schematic diagram of the plug structure of the utility model.

[0023] Notes in the figure

[0024] 1. Spindle; 101. Top plate; 102. First mounting hole; 103. Clamp; 104. Threaded hole; 2. First bushing; 201. First support arm; 202. First flange; 203. Second mounting hole; 204. First positioning hole; 205. Straight blade; 3. Limit hole; 301. Clamping groove; 4. Second bushing; 401. Second support arm; 402. Second flange; 403. Helical blade; 404. Third mounting hole; 405. Second positioning hole; 5. Third flange; 501. Fourth mounting hole; 502. Threaded rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] Combination Figure 1-7The utility model provides a quick-detachable impeller for an asphalt mixing plant, comprising a main shaft 1, wherein the upper end of the main shaft 1 is provided with a top plate 101, and the top plate 101 is provided with a first mounting hole 102 on a circumference; a clamping piece 103 is provided on the outer surface of the main shaft 1, and a threaded hole 104 is provided in the middle of the lower end surface of the main shaft 1; and further comprising a straight blade device, wherein the straight blade device comprises a first sleeve 2, wherein first flanges 202 are provided at both upper and lower ends of the first sleeve 2, a limiting hole 3 is provided in the middle of the first sleeve 2, and a clamping groove 301 corresponding to the clamping piece 103 is provided on the outer side of the limiting hole 3, and the first sleeve 2 is slidably sleeved on the upper end of the main shaft 1 through the limiting hole 3 and the clamping groove 301, and second mounting holes 203 arranged in a circumferential array are provided on the first flange 202, and the second mounting holes 203 are bolted to the first mounting holes 102, and a plurality of first support arms 201 are arranged in an array on the outer side of the first sleeve 2, and each first support arm 201 Straight blades 205 are bolted on the top; a twisted blade device, which includes a second sleeve 4, a limiting hole 3 and a slot 301 are opened in the middle of the second sleeve 4, the second sleeve 4 is sleeved on the middle of the main shaft 1 through the limiting hole 3 and the slot 301 and is placed at the lower end of the straight blade device, a second support arm 401 is provided in the spiral array on the outer side of the second sleeve 4, and a spiral twisted blade 403 is installed through the second support arm 401, and second flanges 402 are provided at the upper and lower ends of the second sleeve 4, and a third mounting hole 404 is opened on the circumference of the second flange 402, and the third mounting hole 404 is bolted to the second mounting hole 203; a second straight blade device is installed at the lower end of the twisted blade device; a plug, the plug includes a third flange 5, a threaded rod 502 extending upward is provided in the middle of the third flange 5, the threaded rod 502 is threadedly connected in the threaded hole 104, and the third flange 5 is connected to the second flange 402.

[0027] Furthermore, the clamping member 103 is a convex member structure that is arranged in a circular array and continuously from top to bottom along the main axis 1 .

[0028] Furthermore, the number of the straight blade devices is N, where N is a positive integer greater than or equal to 2, and the multiple straight blade devices are respectively mounted on the upper and lower ends of the main shaft 1, and are placed on the upper and lower ends of the twisted blade device; the upper end straight blade device is bolted to the upper end top plate 101 of the main shaft 1 through the second mounting hole 203 on the first flange 202.

[0029] Furthermore, a plurality of first support arms 201 are protrudingly arranged in a circular array on the outer side of the first sleeve 2. The first support arms 201 are obliquely arranged on the side. The first support arms 201 are provided with first positioning holes 204, and straight blades 205 are bolted through the first positioning holes 204.

[0030] Furthermore, the outer surface of the second sleeve 4 is provided with a plurality of second support arms 401 in a spiral array downwardly in a circumferential direction. The second support arms 401 are provided with second positioning holes 405 , and the spiral blades 403 are bolted through the second positioning holes 405 .

[0031] Furthermore, the twisted blade device is sleeved in the middle of the main shaft 1 through the limiting hole 3 and the slot 301 and is placed between the two straight blade devices. The twisted blade device is bolted to the first flange 202 of the straight blade device at the upper and lower ends through the second flange 402 at the upper and lower ends of the sleeve.

[0032] Furthermore, the plug is threadedly connected in the threaded hole 104 through a threaded rod 502 , and the plug is provided with a fourth mounting hole 501 on the third flange 5 , and the third flange 5 is bolted to the second mounting hole 203 of the straight blade device through the fourth mounting hole 501 .

[0033] By arranging the clamp 103 and the threaded hole 104 on the main shaft 1, combined with the design of the sleeve, flange and limit hole 3 of the straight blade device and the twisted blade device, the rapid disassembly and fastening of the components are realized, which greatly simplifies the installation, disassembly and maintenance process of the stirring paddle, significantly reduces the equipment downtime, reduces the maintenance cost, improves the work efficiency and the flexibility of the production cycle, the number of the straight blade device and the twisted blade device can be set according to the actual working conditions, and the position can be flexibly adjusted on the main shaft 1 according to the needs, and the positioning hole design of the first support arm 201 and the second support arm 401 can be conveniently replaced or The blade angle is adjusted to adapt to different mixing requirements and material properties to improve mixing quality and efficiency. The circular array continuous laying structure of the clamp 103 enhances the overall stability and load-bearing capacity of the stirring paddle. The straight blade device and the twisted blade device are precisely mounted on the main shaft 1 through the limiting hole 3 and the clamping groove 301, and the bolt connection of the flange is coordinated to ensure stability during operation and avoid loosening caused by vibration. The plug structure adopts a threaded connection method to ensure effective sealing of the bottom of the stirring paddle, facilitate the complete disassembly and assembly of the stirring paddle, and further improve the ease of use and durability of the equipment.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A quick-detachable stirring paddle for an asphalt mixing plant, comprising a main shaft (1), characterized in that: The upper end of the main shaft (1) is provided with a top plate (101), and a first mounting hole (102) is opened on the circumference of the top plate (101); a clamping piece (103) is provided on the outer surface of the main shaft (1), and a threaded hole (104) is opened in the middle of the lower end surface of the main shaft (1); and a straight blade device is also included, and the straight blade device includes a first sleeve (2), and the first sleeve (2) is provided with a first flange (202) at both the upper and lower ends, and a limiting hole (3) is opened in the middle of the first sleeve (2), and the outer side of the limiting hole (3) is opened with a threaded hole (104) connected to the sleeve. The first sleeve (2) is slidably mounted on the upper end of the main shaft (1) through the limiting hole (3) and the sleeve (301); the first flange (202) is provided with second mounting holes (203) arranged in a circumferential array; the second mounting holes (203) are bolted to the first mounting holes (102); the outer side of the first sleeve (2) is provided with a plurality of first support arms (201) in an array; each first support arm (201) is bolted to a straight blade (205) ); a twisted blade device, the twisted blade device comprising a second shaft sleeve (4), a limiting hole (3) and a clamping groove (301) being provided in the middle of the second shaft sleeve (4), the second shaft sleeve (4) being sleeved on the middle of the main shaft (1) through the limiting hole (3) and the clamping groove (301) and being placed at the lower end of the straight blade device, a second support arm (401) being provided in a spiral array outside the second shaft sleeve (4), a spiral twisted blade (403) being installed through the second support arm (401), and second flanges (402) being provided at the upper and lower ends of the second shaft sleeve (4). ), a third mounting hole (404) is opened on the circumference of the second flange (402), and the third mounting hole (404) is bolted to the second mounting hole (203); a second straight blade device is installed at the lower end of the twisting blade device; a plug, the plug includes a third flange (5), a threaded rod (502) extending upward is arranged in the middle of the third flange (5), the threaded rod (502) is threadedly connected in the threaded hole (104), and the third flange (5) is butt-jointed with the second flange (402).

2. The quick-detachable agitator for an asphalt mixing plant according to claim 1, characterized in that: The clamping member (103) is a convex member structure which is arranged in a circular array and is continuously laid from top to bottom along the main axis (1).

3. The quick-detachable agitator for an asphalt mixing plant according to claim 1, characterized in that: The number of the straight blade devices is N, where N is a positive integer greater than or equal to 2. The plurality of straight blade devices are respectively sleeved on the upper and lower ends of the main shaft (1), and are placed on the upper and lower ends of the twisted blade device; the upper straight blade device is bolted to the upper top plate (101) of the main shaft (1) via a second mounting hole (203) on the first flange (202).

4. The quick-detachable agitator for an asphalt mixing plant according to claim 1, characterized in that: The first sleeve (2) has a plurality of first support arms (201) protrudingly arranged in a circular array on the outer side thereof. The first support arm (201) is obliquely arranged on the side thereof. A first positioning hole (204) is formed on the first support arm (201), and a straight blade (205) is bolted through the first positioning hole (204).

5. The quick-detachable agitator for an asphalt mixing plant according to claim 1, characterized in that: The outer surface of the second shaft sleeve (4) is provided with a plurality of second support arms (401) in a spiral array extending downward from the circumference thereof. The second support arms (401) are provided with second positioning holes (405) through which spiral twisted blades (403) are bolted.

6. The quick-detachable agitator for an asphalt mixing plant according to claim 1, characterized in that: The twisted blade device is sleeved on the middle part of the main shaft (1) through a limiting hole (3) and a clamping groove (301) and is placed between the two straight blade devices. The twisted blade device is bolted to the first flanges (202) of the straight blade devices at the upper and lower ends of the shaft sleeve through second flanges (402) at the upper and lower ends of the shaft sleeve.

7. The quick-detachable agitator for an asphalt mixing plant according to claim 1, characterized in that: The plug is threadedly connected in the threaded hole (104) via a threaded rod (502); the plug is provided with a fourth mounting hole (501) on the third flange (5); and the third flange (5) is bolted to the second mounting hole (203) of the straight blade device via the fourth mounting hole (501).

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