Feeding device for preparing commercial concrete

Abstract

The utility model relates to the technical field of concrete preparation, and discloses a feeding device for commercial concrete preparation, which comprises a feeding tank, the bottom of the feeding tank is fixedly connected with two support plates, the two support plates are both fixedly connected with a same protective shell, the inner wall of the top of the protective shell is fixedly connected with a motor, and the motor is fixedly connected with the feeding tank. The output end of the motor penetrates through the protective shell and is fixedly connected with a driving shaft, the outer wall of the bottom end of the driving shaft is fixedly connected with a round pipe, the outer wall of the round pipe is fixedly connected with four first supporting rods, the two first supporting rods located on the same side are fixedly connected with the same sleeve, and the inner wall of the sleeve is slidably connected with a knocking column; a sieve plate is fixedly connected to the inner wall of the feeding tank, the driving shaft penetrates through the sieve plate and is rotationally connected with the sieve plate, and a round rod is fixedly connected to the bottom of the knocking column and penetrates through the bottom of the sleeve. The screening plate is convenient to dredge and prevented from being blocked, the speed of concrete raw materials passing through the screening plate can be increased, and the feeding work efficiency is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete preparation, in particular to a feeding device for preparing commercial concrete. Background Art

[0002] After searching, the Chinese patent authorization number CN218196061U discloses a feeding device for preparing commercial concrete, including: a feeding tank; a circular plate, fixedly connected to the inside of the feeding tank; a through hole, opened on the circular plate; a crushing mechanism, arranged inside the feeding tank; the crushing mechanism includes: a groove, fixedly connected to the bottom of the circular plate, and the opening facing upward; a motor, fixedly installed inside the groove; a connecting rod, fixedly connected to the output end of the motor; a rotating rod, fixedly connected to the top of the connecting rod; and a crushing knife, fixedly connected to both sides of the rotating rod. The utility model starts the motor, so that the device can crush the sand and gravel in the raw materials for reuse, eliminating manual screening, saving resources, reducing the cost of preparation, and greatly reducing the labor intensity of the staff.

[0003] The feeding device for preparing commercial concrete in the above-mentioned patent has the following shortcomings: there is a lack of a mechanism for clearing the through holes on the circular plate. As the crushing and feeding work proceeds, a portion of the concrete raw materials may accumulate in the through holes, which will cause the through holes to be blocked, resulting in the inability of the refined concrete raw materials to pass through the through holes, affecting the efficiency of the feeding work, and the difficulty of clearing is high. Therefore, it is necessary to design a feeding device for preparing commercial concrete to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a feeding device for preparing commercial concrete.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] The cam is fixedly provided with a toothed plate, and the toothed plate is fixedly provided with a toothed plate, and the toothed plate is fixedly provided with a toothed plate, and the toothed plate is fixedly provided with a toothed plate. The U-shaped plate, the top ends of the two U-shaped plates are fixedly connected with an inclined plate on the side close to each other, and the top outer wall of the driving shaft is fixedly connected with a plurality of crushing knives. Since the technical means of making the knocking column knock the screen plate while crushing the concrete raw materials is adopted, the knocking column knocking the screen plate can make the screen plate vibrate, so that the concrete raw materials accumulated in the sieve holes of the screen plate can pass through smoothly, which effectively solves the problem that the existing device proposed in the background technology lacks a mechanism for unblocking the through holes on the circular plate. As the crushing work and feeding work proceed, a part of the concrete raw materials may accumulate in the through holes, which will cause the through holes to be blocked, resulting in the refined concrete raw materials unable to pass through the through holes, affecting the efficiency of the feeding work, and the problem of high difficulty in unblocking, thereby achieving the technical effect of facilitating unblocking the screen plate, avoiding blockage of the screen plate, increasing the speed at which the concrete raw materials pass through the screen plate, and ensuring the efficiency of the feeding work.

[0007] As a further solution of the present invention, an arc-shaped groove is provided on the sleeve, an arc-shaped plate is provided in the arc-shaped groove, the arc-shaped plate is slidably connected to the sleeve, the arc-shaped plate is sleeved on the sliding rod, and the arc-shaped plate is fixedly connected to the sliding rod. The arc-shaped plate can prevent the refined concrete raw materials from entering the bottom of the knocking column.

[0008] As a further solution of the present invention, three second support rods are fixedly connected to the outer walls of the top and bottom ends of the drive shaft, and the two second support rods on the same side are fixedly connected to the same first scraper, which is slidably connected to the inner wall of the feeding tank. The first scraper can push the concrete raw materials at the edge of the feeding tank to move closer to the center.

[0009] As a further solution of the present invention, two second scrapers are fixedly connected to the outer wall of the bottom end of the drive shaft, and the second scrapers are arranged on the top of the sieve plate. The second scrapers are slidingly connected to the sieve plate and the feeding tank. The second scrapers can shovel up the concrete raw materials on the surface of the sieve plate, so that they can fully participate in the crushing and refining work, and also avoid the accumulation of concrete raw materials on the surface of the sieve plate.

[0010] As a further solution of the present invention, four supporting legs are fixedly connected to the bottom of the feeding tank, and mounting holes are provided at the bottom of the supporting legs.

[0011] As a further solution of the present invention, a discharge pipe is provided at the bottom of the feeding tank.

[0012] As a further solution of the present invention, a valve is provided on the discharge pipe, and the opening and closing degree of the valve is adjusted to control the feeding amount.

[0013] The beneficial effects of the utility model are:

[0014] The utility model adopts a technical means of enabling the knocking column to knock the sieve plate while crushing the concrete raw materials, so the knocking column knocking the sieve plate can make the sieve plate vibrate, so that the concrete raw materials accumulated in the sieve holes of the sieve plate can pass through smoothly, effectively solving the problem that the existing device proposed in the background technology lacks a mechanism for unblocking the through holes on the circular plate. As the crushing work and feeding work proceed, a part of the concrete raw materials may accumulate in the through holes, which will cause the through holes to be blocked, resulting in the refined concrete raw materials being unable to pass through the through holes, affecting the efficiency of the feeding work, and the problem of high difficulty in unblocking, thereby achieving the technical effect of facilitating unblocking the sieve plate, avoiding clogging of the sieve plate, increasing the speed at which the concrete raw materials pass through the sieve plate, and ensuring the efficiency of the feeding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of a feeding device for preparing commercial concrete proposed in the present utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a feeding tank of a feeding device for preparing commercial concrete proposed in the present invention;

[0017] Figure 3 This is a schematic structural diagram of the protective shell of a feeding device for commercial concrete preparation proposed in the present invention;

[0018] Figure 4 This is a partial structural diagram of a feeding device for preparing commercial concrete proposed in the present invention;

[0019] Figure 5 This is a schematic diagram of the expanded structure of the sleeve of a feeding device for commercial concrete preparation proposed by the utility model.

[0020] In the figure: 1. feeding tank; 2. protective shell; 3. motor; 4. driving shaft; 5. round tube; 6. first support rod; 7. sleeve; 8. knocking column; 9. round rod; 10. spring; 11. sliding rod; 12. U-shaped plate; 13. inclined plate; 14. arc groove; 15. arc plate; 16. crushing knife; 17. second support rod; 18. first scraper; 19. discharge pipe; 20. valve; 21. second scraper; 22. sieve plate; 23. support leg; 24. support plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the implementation regulations.

[0023] Reference Figure 1 - Figure 5, a feeding device for preparing commercial concrete, including a feeding tank 1, the bottom of the feeding tank 1 is fixedly connected to two support plates 24, the two support plates 24 are fixedly connected to the same protective shell 2, the top inner wall of the protective shell 2 is fixedly connected to a motor 3, the output end of the motor 3 passes through the protective shell 2 and is fixedly connected to a driving shaft 4, the bottom outer wall of the driving shaft 4 is fixedly connected to a round tube 5, the outer wall of the round tube 5 is fixedly connected to four first support rods 6, the two first support rods 6 on the same side are fixedly connected to the same sleeve 7, the inner wall of the sleeve 7 is slidably connected to a knocking column 8, the inner wall of the feeding tank 1 is fixedly connected to a sieve plate 22, the driving shaft 4 passes through the sieve plate 22, the driving shaft 4 is rotatably connected to the sieve plate 22, the bottom of the knocking column 8 is fixedly connected to a round rod 9, the round rod 9 passes through the bottom of the sleeve 7, the round rod 9 is provided with a spring 10, the bottom outer wall of the knocking column 8 is fixedly connected to a sliding rod 11, the outer wall of the protective shell 2 is fixedly connected The two U-shaped plates 12 have inclined plates 13 fixedly connected to their top ends on the sides close to each other, and a number of crushing knives 16 are fixedly connected to the outer wall of the top end of the drive shaft 4. Since the technical means of making the knocking column knock the sieve plate while crushing the concrete raw materials is adopted, the knocking column knocking the sieve plate can make the sieve plate vibrate, so that the concrete raw materials accumulated in the sieve holes of the sieve plate can pass through smoothly, which effectively solves the problem that the existing device proposed in the background technology lacks a mechanism for unblocking the through holes on the circular plate. As the crushing work and feeding work proceed, a part of the concrete raw materials may accumulate in the through holes, which will cause the through holes to be blocked, resulting in the refined concrete raw materials being unable to pass through the through holes, affecting the efficiency of the feeding work, and the problem of high difficulty in unblocking, thereby achieving the technical effect of facilitating unblocking the sieve plate, avoiding clogging of the sieve plate, increasing the speed at which the concrete raw materials pass through the sieve plate, and ensuring the efficiency of the feeding work.

[0024] In this embodiment, an arc-shaped groove 14 is provided on the sleeve 7, and an arc-shaped plate 15 is provided in the arc-shaped groove 14. The arc-shaped plate 15 is slidably connected to the sleeve 7. The arc-shaped plate 15 is sleeved on the sliding rod 11. The arc-shaped plate 15 is fixedly connected to the sliding rod 11. The arc-shaped plate 15 can prevent the refined concrete raw materials from entering the bottom of the knocking column 8.

[0025] In this embodiment, three second support rods 17 are fixedly connected to the outer walls of the top and bottom ends of the drive shaft 4, and the two second support rods 17 on the same side are fixedly connected to the same first scraper 18. The first scraper 18 is slidably connected to the inner wall of the feeding tank 1. The first scraper 18 can push the concrete raw materials at the edge of the feeding tank 1 to move closer to the center.

[0026] In this embodiment, two second scrapers 21 are fixedly connected to the outer wall of the bottom end of the drive shaft 4. The second scraper 21 is arranged on the top of the sieve plate 22. The second scraper 21 is slidingly connected to the sieve plate 22 and the feeding tank 1. The second scraper 21 can shovel up the concrete raw materials on the surface of the sieve plate 22, so that it can fully participate in the crushing and refining work, and also avoid the concrete raw materials from accumulating on the surface of the sieve plate 22.

[0027] In this embodiment, four supporting legs 23 are fixedly connected to the bottom of the feeding tank 1 , and mounting holes are provided at the bottoms of the supporting legs 23 .

[0028] In this embodiment, a discharge pipe 19 is provided at the bottom of the feeding tank 1 .

[0029] In this embodiment, a valve 20 is provided on the discharge pipe 19, and the opening and closing degree of the valve 20 is adjusted to control the feeding amount.

[0030] Working principle: This device is installed at the feed inlet of the commercial concrete preparation equipment. When using this device, the concrete raw materials can be injected into the feeding tank 1, and then the motor 3 is started. The output end of the motor 3 will drive the driving shaft 4 to rotate, and the driving shaft 4 will drive the crushing knife 16 to rotate to crush the concrete raw materials. The crushed concrete raw materials will pass through the sieve plate 22, open the valve 20, and allow the refined concrete raw materials to be discharged through the discharge pipe 19 into the preparation equipment. In the process of the rotation of the driving shaft 4, it will also drive the second support rod 17 to rotate, and the second support rod 17 will drive the first scraper 18 to move along the inner wall of the feeding tank 1, prompting the concrete raw materials to move closer to the center. At the same time, the driving shaft 4 will also drive the second scraper 21 to rotate to shovel up the concrete raw materials on the top of the sieve plate 22, so that it can fully participate in the crushing work, and can also prevent the concrete raw materials from accumulating on the surface of the sieve plate 22 and causing the sieve plate 22 to be blocked. In the process of the rotation of the driving shaft 4, it will also drive When the round tube 5 rotates, the round tube 5 will drive the first support rod 6 to move, and the first support rod 6 will drive the sleeve 7 to move, and the sleeve 7 will drive the knocking column 8 to move, and the knocking column 8 will drive the sliding rod 11 to move, and the sliding rod 11 moves until it contacts the bottom of the inclined plate 13, and the sliding rod 11 will move along the bottom of the sliding rod 11, and the sliding rod 11 will drop a distance, and the descent of the sliding rod 11 will drive the curved plate 15 to drop along the arc groove 14, and the sliding rod 11 will also drive the knocking column 8 to drop, and the knocking column 8 will drive the round rod 9 to drop, and the knocking column 8 will also squeeze the spring 10 to make the spring 10 contract. After the sliding rod 11 moves past the inclined plate 13, the spring 10 will extend, and the spring 10 will make the knocking column 8 rise, and the knocking column 8 will hit the bottom of the sieve plate 22 to make the sieve plate 22 vibrate, so that the concrete raw materials in the sieve holes of the sieve plate 22 pass quickly, and the concrete raw materials on the top of the sieve plate 22 are scattered, thereby avoiding clogging of the sieve plate 22 and ensuring that the feeding work can be carried out normally.

[0031] For ease of description, spatially relative terms such as "above," "on the upper surface of," "on top of," etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is inverted, a device described as "above" or "on top of" other devices or structures would then be positioned as "below" or "below" the other devices or structures. Thus, the exemplary term "above" can include both the "above" and "below" orientations. The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used herein should be interpreted accordingly.

[0032] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0033] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A feeding device for preparing commercial concrete, comprising a feeding tank (1), characterized in that: The bottom of the feeding tank (1) is fixedly connected to two support plates (24), and the two support plates (24) are fixedly connected to the same protective shell (2). The top inner wall of the protective shell (2) is fixedly connected to a motor (3), and the output end of the motor (3) passes through the protective shell (2) and is fixedly connected to a drive shaft (4). The bottom outer wall of the drive shaft (4) is fixedly connected to a round tube (5), and the outer wall of the round tube (5) is fixedly connected to four first support rods (6). The two first support rods (6) on the same side are fixedly connected to the same sleeve (7), and the inner wall of the sleeve (7) is slidably connected to a knocking column (8). The feeding tank (1) The inner wall of the protective shell (2) is fixedly connected to a sieve plate (22), the drive shaft (4) passes through the sieve plate (22), the drive shaft (4) is rotatably connected to the sieve plate (22), the bottom of the knocking column (8) is fixedly connected to a round rod (9), the round rod (9) passes through the bottom of the sleeve (7), and the round rod (9) is provided with a spring (10), the outer wall of the bottom end of the knocking column (8) is fixedly connected to a sliding rod (11), the outer wall of the protective shell (2) is fixedly connected to two U-shaped plates (12), the top ends of the two U-shaped plates (12) are fixedly connected to an inclined plate (13) on the side close to each other, and the outer wall of the top end of the drive shaft (4) is fixedly connected to a plurality of crushing knives (16).

2. The feeding device for preparing commercial concrete according to claim 1, characterized in that: The sleeve (7) is provided with an arc-shaped groove (14), an arc-shaped plate (15) is provided in the arc-shaped groove (14), the arc-shaped plate (15) is slidably connected to the sleeve (7), the arc-shaped plate (15) is sleeved on the slide rod (11), and the arc-shaped plate (15) is fixedly connected to the slide rod (11).

3. The feeding device for preparing commercial concrete according to claim 1, characterized in that: The outer walls of the top and bottom ends of the drive shaft (4) are fixedly connected to three second support rods (17), and two of the second support rods (17) on the same side are fixedly connected to the same first scraper (18), and the first scraper (18) is slidably connected to the inner wall of the feeding tank (1).

4. The feeding device for preparing commercial concrete according to claim 3, characterized in that: Two second scrapers (21) are fixedly connected to the outer wall of the bottom end of the driving shaft (4), and the second scrapers (21) are arranged on the top of the screen plate (22). The second scrapers (21) are slidably connected to the screen plate (22) and the feeding tank (1).

5. The feeding device for preparing commercial concrete according to claim 4, characterized in that: Four supporting legs (23) are fixedly connected to the bottom of the feeding tank (1), and mounting holes are provided at the bottoms of the supporting legs (23).

6. The feeding device for preparing commercial concrete according to claim 5, characterized in that: A discharge pipe (19) is provided at the bottom of the feeding tank (1).

7. The feeding device for preparing commercial concrete according to claim 6, characterized in that: The discharge pipe (19) is provided with a valve (20).

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