Accurate proportioning device for asphalt concrete production

Abstract

The utility model discloses an accurate proportioning device for asphalt concrete production, and relates to the technical field of concrete production. The material mixing device comprises a material mixing barrel, wherein an accurate feeding assembly is arranged at the top end of the material mixing barrel; downward pressure is applied to the semicircular supporting plate through the gravity of raw materials, the semicircular supporting plate drives the connecting plate to apply pressure to the pressure sensor, the pressure sensor transmits data to external display equipment, meanwhile, the ejector rod is driven by the second rotating shaft to rotate and is separated from the semicircular supporting plate, and the semicircular supporting plate rotates along the first rotating shaft through the gravity effect. In this way, large errors of feeding weight can be avoided, and the purpose of improving efficiency is achieved. The end of the output shaft of the first motor drives the threaded rod to rotate, so that the threaded rod drives the connecting rod to move downwards, the connecting rod drives the positioning disc to move, raw materials of the positioning disc are attached, the situation that repeated weighing is needed can be avoided, and the purpose of convenient weighing is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete production, in particular to a precise proportioning device for asphalt concrete production. Background Art

[0002] Asphalt concrete, commonly known as asphalt concrete, 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] Existing concrete mixing devices mostly weigh raw materials in advance manually. This operation method is cumbersome, has large errors, and has low work efficiency. In view of the above problems, the inventors propose a precise proportioning device for asphalt concrete production to solve the above problems. Utility Model Content

[0004] In order to solve the problem of large errors and low work efficiency in manual weighing, the utility model aims to provide a precise proportioning device for asphalt concrete production.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a precise proportioning device for asphalt concrete production, comprising a mixing barrel, wherein a precise feeding assembly is arranged at the top of the mixing barrel; the precise feeding assembly comprises a feeding barrel and a pressure sensor, the bottom end of the feeding barrel is fixedly penetrated through the top of the mixing barrel, the inner wall of the feeding barrel is provided with symmetrically distributed grooves, the inner sliding card of the groove is provided with a connecting plate, the pressure sensor is fixedly installed at the bottom end of the inner wall of the groove, a symmetrically distributed first rotating shaft is rotatably installed on the opposite side of the connecting plate, a semicircular support plate is fixedly sleeved on the outer side of the first rotating shaft, the outer side of the semicircular support plate is fitted with the inner wall of the feeding barrel, the pressure sensor is connected to an external display device, the gravity of the raw material applies downward pressure to the semicircular support plate, so that the semicircular support plate drives the connecting plate to apply pressure to the pressure sensor, the pressure sensor transmits data to the external display device, and at the same time, the semicircular support plate rotates along the first rotating shaft under the action of gravity, so that a large error in the feeding weight can be avoided.

[0006] Preferably, a positioning plate is provided in the internal sliding card of the feeding barrel, a connecting rod is fixedly provided on one side of the positioning plate, a threaded rod is threadedly inserted into the top end of the connecting rod, one end of the threaded rod is rotatably installed on the top end of the inner wall of the feeding barrel, and a first motor is fixedly provided on the top end of the feeding barrel, and the end of the output shaft of the first motor movably passes through the feeding barrel and is fixedly connected to one end of the threaded rod. The threaded rod is driven to rotate by the end of the output shaft of the first motor, so that the threaded rod drives the connecting rod to move downward, and the connecting rod drives the positioning plate to move, so that the raw material of the positioning plate fits well, which can avoid the need for repeated weighing.

[0007] Preferably, the inner wall of the feeding barrel is rotatably installed with a symmetrically distributed second rotating shaft, and the outer fixed sleeve of the second rotating shaft is provided with a symmetrically distributed push rod, one end of the push rod is in contact with one side of the semicircular support plate, and the push rod can be conveniently driven to rotate through the second rotating shaft, and the push rod can drive the semicircular support plate to rotate.

[0008] Preferably, the inner wall of the feeding barrel is provided with symmetrically distributed slide grooves, the internal sliding card of the slide groove is provided with a slider, the opposite side of the slider is fixedly connected to the outer side of the positioning plate, and the positioning plate is kept stable by the movement of the slider in the slide groove.

[0009] Preferably, a first gear is disposed on the outer fixed sleeve of the second rotating shaft, and the two first gears are meshed with each other, so that the two second rotating shafts can be driven to rotate in opposite directions through the first gear.

[0010] Preferably, a second motor is fixedly provided on the outer side of the feeding barrel, and the end of the output shaft of the second motor movably passes through the feeding barrel and is fixedly connected to one end of one of the second rotating shafts, so that the second motor can provide power for the rotation of the second rotating shaft.

[0011] Preferably, a feeding pipe is fixedly passed through the outer side of the feeding barrel, one end of the feeding pipe is located above the semicircular support plate, the feeding pipe is connected to an external feeding device, and the feeding barrel is conveniently fed through the feeding pipe.

[0012] Preferably, the bottom end of the mixing barrel is fixedly provided with support legs distributed in a rectangular array, and the stability of the device can be improved by the support legs.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The gravity of the raw material applies downward pressure to the semicircular pallet, so that the semicircular pallet drives the connecting plate to apply pressure to the pressure sensor. The pressure sensor transmits data to the external display device, and at the same time drives the ejector rod to rotate and detach from the semicircular pallet through the second rotating shaft. The semicircular pallet rotates along the first rotating shaft under the action of gravity, which can avoid large errors in the feeding weight, thereby achieving the purpose of improving efficiency;

[0015] 2. The end of the first motor output shaft drives the threaded rod to rotate, so that the threaded rod drives the connecting rod to move downward, and the connecting rod drives the positioning plate to move, so that the raw materials of the positioning plate fit together, thereby avoiding the need for repeated weighing, thereby achieving the purpose of convenient weighing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the cross-section structure of the precision feeding component of the utility model.

[0019] Figure 3 for Figure 2 A is an enlarged view of the structure.

[0020] Figure 4 It is a cross-sectional schematic diagram of the feeding barrel and its connection structure of the utility model.

[0021] In the figure: 1. mixing barrel; 2. precision feeding assembly; 21. feeding barrel; 22. groove; 23. feeding pipe; 24. connecting plate; 25. pressure sensor; 26. first rotating shaft; 27. semicircular support plate; 28. positioning plate; 29. ​​threaded rod; 210. connecting rod; 211. first motor; 212. second rotating shaft; 213. push rod; 214. first gear; 215. second motor; 216. slide groove; 217. slider; 3. supporting leg. 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] Example: Figure 1-4As shown, the utility model provides a technical solution: a precise proportioning device for asphalt concrete production, comprising a mixing barrel 1, a precise feeding assembly 2 is arranged at the top of the mixing barrel 1; the precise feeding assembly 2 comprises a feeding barrel 21 and a pressure sensor 25, the bottom end of the feeding barrel 21 is fixedly penetrated through the top of the mixing barrel 1, the inner wall of the feeding barrel 21 is provided with symmetrically distributed grooves 22, the inner sliding card of the groove 22 is provided with a connecting plate 24, the pressure sensor 25 is fixedly installed at the bottom end of the inner wall of the groove 22, and a corresponding pressure sensor 25 is rotatably installed on the opposite side of the connecting plate 24. The first rotating shaft 26 is distributed, and a semicircular support plate 27 is fixedly sleeved on the outer side of the first rotating shaft 26. The outer side of the semicircular support plate 27 is in contact with the inner wall of the feeding barrel 21. The pressure sensor 25 is connected to an external display device. The gravity of the raw material applies downward pressure to the semicircular support plate 27, so that the semicircular support plate 27 drives the connecting plate 24 to apply pressure to the pressure sensor 25. The pressure sensor 25 transmits data to the external display device. At the same time, the semicircular support plate 27 rotates along the first rotating shaft 26 under the action of gravity. In this way, a large error in the feeding weight can be avoided.

[0024] A positioning plate 28 is provided on the internal sliding card of the feeding barrel 21, a connecting rod 210 is fixedly provided on one side of the positioning plate 28, a threaded rod 29 is threadedly inserted on the top end of the connecting rod 210, one end of the threaded rod 29 is rotatably installed on the top end of the inner wall of the feeding barrel 21, a first motor 211 is fixedly provided on the top end of the feeding barrel 21, and the end of the output shaft of the first motor 211 movably passes through the feeding barrel 21 and is fixedly connected to one end of the threaded rod 29.

[0025] By adopting the above technical solution, the end of the output shaft of the first motor 211 drives the threaded rod 29 to rotate, so that the threaded rod 29 drives the connecting rod 210 to move downward, and the connecting rod 210 drives the positioning plate 28 to move, so that the raw materials on the positioning plate 28 are fitted, thereby avoiding the need for repeated weighing.

[0026] A symmetrically distributed second rotating shaft 212 is rotatably mounted on the inner wall of the feeding barrel 21 , and a symmetrically distributed push rod 213 is fixedly sleeved on the outer side of the second rotating shaft 212 , and one end of the push rod 213 is in contact with one side of the semicircular support plate 27 .

[0027] By adopting the above technical solution, the second rotating shaft 212 can conveniently drive the push rod 213 to rotate, and the push rod 213 can drive the semicircular supporting plate 27 to rotate.

[0028] The inner wall of the feeding barrel 21 is provided with symmetrically distributed slide grooves 216 , and a slider 217 is provided inside the slide groove 216 . The opposite side of the slider 217 is fixedly connected to the outer side of the positioning plate 28 .

[0029] By adopting the above technical solution, the slider 217 moves in the slide groove 216 to keep the positioning plate 28 moving stably.

[0030] A first gear 214 is fixedly sleeved on the outer side of the second rotating shaft 212 , and the two first gears 214 are meshed with each other.

[0031] By adopting the above technical solution, the two second rotating shafts 212 can be driven to rotate in opposite directions through the first gear 214 .

[0032] A second motor 215 is fixedly provided on the outer side of the feeding barrel 21 . The end of the output shaft of the second motor 215 movably passes through the feeding barrel 21 and is fixedly connected to one end of one of the second rotating shafts 212 .

[0033] By adopting the above technical solution, the second motor 215 can provide power for the second rotating shaft 212 to rotate.

[0034] A feeding pipe 23 is fixedly passed through the outer side of the feeding barrel 21 , and one end of the feeding pipe 23 is located above the semicircular supporting plate 27 .

[0035] By adopting the above technical solution, the feeding pipe 23 is connected to the external feeding equipment, and the feeding barrel 21 is conveniently fed through the feeding pipe 23 .

[0036] The bottom end of the mixing barrel 1 is fixedly provided with supporting legs 3 distributed in a rectangular array.

[0037] By adopting the above technical solution, the stability of the device can be improved through the support legs 3.

[0038] Working principle: First, the raw material is sent to the semicircular support plate 27 in the feeding barrel 21 through the feeding pipe 23. The gravity of the raw material applies downward pressure to the semicircular support plate 27, so that the semicircular support plate 27 drives the connecting plate 24 to apply pressure to the pressure sensor 25. The pressure sensor 25 transmits data to the external display device, so that the external display device displays the value. This can avoid the situation where the feeding weight error is large. When the required gravity is reached, the feeding is stopped, and the first motor 211 is started, so that the first motor 211 starts to work. The end of the output shaft of the first motor 211 drives the threaded rod 29 to rotate, so that the threaded rod 29 drives the connecting rod 210 to move downward, and the connecting rod 210 drives the positioning plate 28 to move , and the slider 217 moves in the slide groove 216 to keep the positioning plate 28 moving stably, so that the raw materials on the positioning plate 28 are fitted, which can avoid the need for repeated weighing, thereby achieving the purpose of convenient weighing, and then start the second motor 215 to make the second motor 215 start working, and the second shaft 212 at the end of the output shaft of the second motor 215 rotates, and drives the two second shafts 212 to rotate in the opposite direction through the first gear 214, and the second shaft 212 drives the top rod 213 to rotate and disengage from the semicircular support plate 27, and the semicircular support plate 27 rotates along the first shaft 26 due to gravity, so that the raw materials fall into the mixing barrel 1 for mixing, which can facilitate the addition of the raw materials into the mixing barrel 1.

[0039] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A precise proportioning device for asphalt concrete production, comprising a mixing barrel (1), characterized in that: The top of the mixing barrel (1) is provided with a precise feeding component (2); The precise feeding component (2) comprises a feeding barrel (21) and a pressure sensor (25). The bottom end of the feeding barrel (21) is fixedly penetrated through the top end of the mixing barrel (1). The inner wall of the feeding barrel (21) is provided with symmetrically distributed grooves (22). The inner sliding card of the groove (22) is provided with a connecting plate (24). The pressure sensor (25) is fixedly installed at the bottom end of the inner wall of the groove (22). A symmetrically distributed first rotating shaft (26) is rotatably installed on the opposite side of the connecting plate (24). A semicircular supporting plate (27) is fixedly sleeved on the outer side of the first rotating shaft (26). The outer side of the semicircular supporting plate (27) is in contact with the inner wall of the feeding barrel (21).

2. A precise proportioning device for asphalt concrete production as claimed in claim 1, characterized in that: The internal sliding card of the feeding barrel (21) is provided with a positioning plate (28), one side of the positioning plate (28) is fixedly provided with a connecting rod (210), the top end of the connecting rod (210) is threadedly inserted with a threaded rod (29), one end of the threaded rod (29) is rotatably mounted on the top end of the inner wall of the feeding barrel (21), and the top end of the feeding barrel (21) is fixedly provided with a first motor (211), the end of the output shaft of the first motor (211) movably passes through the feeding barrel (21) and is fixedly connected to one end of the threaded rod (29).

3. A precise proportioning device for asphalt concrete production as claimed in claim 1, characterized in that: A symmetrically distributed second rotating shaft (212) is rotatably mounted on the inner wall of the feeding barrel (21), and a symmetrically distributed push rod (213) is fixedly sleeved on the outer side of the second rotating shaft (212), and one end of the push rod (213) is in contact with one side of the semicircular support plate (27).

4. A precise proportioning device for asphalt concrete production as claimed in claim 2, characterized in that: The inner wall of the feeding barrel (21) is provided with symmetrically distributed sliding grooves (216), the inner sliding card of the sliding groove (216) is provided with a sliding block (217), and the opposite side of the sliding block (217) is fixedly connected to the outer side of the positioning plate (28).

5. A precise proportioning device for asphalt concrete production as claimed in claim 3, characterized in that: The outer fixed sleeve of the second rotating shaft (212) is provided with a first gear (214), and the two first gears (214) are meshed with each other.

6. A precise proportioning device for asphalt concrete production as claimed in claim 5, characterized in that: A second motor (215) is fixedly provided on the outer side of the feeding barrel (21), and the end of the output shaft of the second motor (215) movably passes through the feeding barrel (21) and is fixedly connected to one end of one of the second rotating shafts (212).

7. A precise proportioning device for asphalt concrete production as claimed in claim 1, characterized in that: A feeding pipe (23) is fixedly passed through the outer side of the feeding barrel (21), and one end of the feeding pipe (23) is located above the semicircular supporting plate (27).

8. A precise proportioning device for asphalt concrete production as claimed in claim 1, characterized in that: Support legs (3) distributed in a rectangular array are fixedly provided at the bottom end of the mixing barrel (1).

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