Concrete aggregate weighing device

Abstract

The utility model discloses a concrete aggregate weighing device which comprises a weighing hopper, a feeding assembly is arranged on the weighing hopper, a connecting cover plate is arranged below the weighing hopper through a discharging pipe, supporting assemblies matched with the weighing hopper are symmetrically arranged on the connecting cover plate, and cleaning assemblies are arranged on the supporting assemblies. The connecting cover plate is further provided with a beating assembly through a driving mechanism. The aggregate weighing device has the beneficial effects that the side wall of the weighing hopper can be beaten in a reciprocating mode through the beating assembly when discharging is completed after weighing is completed, then discharging can be assisted, weighed aggregate can be conveniently discharged, meanwhile, after discharging is completed, the inner wall of the weighing hopper can be scraped and cleaned through the cleaning assembly, aggregate residues can be avoided, and the working efficiency is improved. And the adhesion condition is prevented, the next weighing use is not influenced, and the weighing accuracy is ensured.

Description

Technical Field

[0001] The utility model relates to the field of concrete production equipment, in particular to a concrete aggregate weighing device. Background Art

[0002] With the acceleration of urbanization, more and more construction projects are being carried out, and the consumption of concrete is also increasing. In the process of concrete processing, various aggregates need to be proportioned. In order to ensure the accuracy of the proportions between the aggregates, each aggregate needs to be weighed before mixing, so an aggregate weighing device is needed.

[0003] However, the existing weighing device has certain defects in actual use. Although it can weigh each aggregate, it is easy to cause a small amount of aggregate residue after each use. Over time, it is easy to cause the aggregate residue to adhere to the inside of the weighing device, which will affect the accuracy of the aggregate weighing in subsequent use. Utility Model Content

[0004] The purpose of the utility model is to provide a concrete aggregate weighing device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A concrete aggregate weighing device comprises a weighing bucket, a feeding assembly is arranged on the weighing bucket, a connecting cover plate is arranged under the weighing bucket through a discharge pipe, a supporting assembly matching the weighing bucket is symmetrically arranged on the connecting cover plate, a cleaning assembly is arranged on the supporting assembly, and a knocking assembly is also arranged on the connecting cover plate through a driving mechanism.

[0007] Furthermore, in order to facilitate the transportation of aggregates and the weighing operation of unloading, the feeding assembly includes a feeding pipe arranged on the weighing bucket, and an electric control valve is also arranged on the feeding pipe.

[0008] Furthermore, in order to ensure the stability of the weighing bucket and prevent shaking during feeding and discharging, the support assembly includes support columns symmetrically arranged on the connecting cover plate, and a support plate is commonly provided on the two support columns at the same end, and the support plate is fixedly connected to the weighing bucket.

[0009] Furthermore, in order to clean and scrape the inner wall of the weighing bucket to avoid aggregate residue, the cleaning component includes an electric push rod symmetrically arranged on the support plate, a connecting block is provided at the output end of the electric push rod, and the connecting block is provided with a cleaning frame through the connecting rod, and the cleaning frame matches the weighing bucket.

[0010] Furthermore, in order to facilitate the reciprocating motion of the striking assembly and the symmetrical weighing bucket, the driving mechanism includes a motor symmetrically arranged on the connecting cover plate, a crankshaft is provided at the output end of the motor, and the crankshaft is connected to the weighing bucket through a mounting plate.

[0011] Furthermore, in order to facilitate the reciprocating motion of the striking assembly and to strike the symmetrical weight bucket, the driving mechanism also includes a sleeve ring mounted on the middle part of the crankshaft, a rotating member is provided on the side wall of the sleeve ring, and the rotating member is connected to the striking assembly.

[0012] Furthermore, in order to assist in unloading and avoid aggregate residue, the striking assembly includes a sleeve symmetrically arranged on the two side walls of the weighing bucket, a sliding cavity is opened in the sleeve, a striking block is slidably arranged in the sliding cavity, one end of the striking block is connected to the rotating part, and the other end is provided with a rubber pad.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) By combining the cleaning component with the knocking component, when the weighing is completed and the material is discharged, the knocking component can be used to knock back and forth on the side wall of the symmetrical weight bucket, thereby assisting the discharge of the material and facilitating the discharge of the aggregate after weighing. At the same time, after the material is discharged, the cleaning component can be used to scrape and clean the inner wall of the symmetrical weight bucket, thereby avoiding the residue of aggregate and preventing adhesion, which will not affect the next weighing and ensure the accuracy of weighing;

[0015] (2) The support assembly can ensure the overall stability of the weighing bucket and avoid shaking during feeding and unloading. The feeding assembly can facilitate the unloading and transportation of aggregates during weighing, and the driving mechanism can easily move the knocking assembly back and forth, thereby facilitating reciprocating knocking operations, ensuring the knocking effect and avoiding aggregate residue. 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 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 structural schematic diagram of a concrete aggregate weighing device according to an embodiment of the utility model;

[0018] Figure 2 It is a partial structural schematic diagram of a concrete aggregate weighing device according to an embodiment of the utility model;

[0019] Figure 3It is a structural schematic diagram of a driving mechanism and a striking assembly in a concrete aggregate weighing device according to an embodiment of the utility model;

[0020] Figure 4 It is a partial structural schematic diagram of a driving mechanism and a striking assembly in a concrete aggregate weighing device according to an embodiment of the utility model;

[0021] Figure 5 The present invention is a schematic structural diagram of a support assembly and a cleaning assembly in a concrete aggregate weighing device according to an embodiment of the present utility model.

[0022] Reference numerals:

[0023] 1. Weighing bucket; 2. Feed pipe; 3. Connecting cover plate; 4. Motor; 5. Crankshaft; 6. Mounting plate; 7. Cleaning frame; 8. Support column; 9. Support plate; 10. Electric control valve; 11. Ring; 12. Rotating part; 13. Beating block; 14. Sleeve; 15. Rubber pad; 16. Sliding cavity; 17. Electric push rod; 18. Connecting block; 19. Connecting rod; 20. Discharge pipe. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 5 According to an embodiment of the utility model, a concrete aggregate weighing device includes a weighing bucket 1 for weighing concrete aggregates. The weighing bucket 1 is provided with a weighing device (which can be a gravity sensor or other device, which is a relatively mature technology and will not be described in detail here) and a control device, etc., which can conveniently control the conveying device to stop conveying after weighing, and control the operation of the driving mechanism, etc., which can be a PLC control system, etc., which is a relatively mature technology and will not be described in detail here. As for the weighing bucket 1, the number can be one or more, so that the aggregates such as sand and gravel in the concrete can be weighed. The materials can be weighed to facilitate subsequent mixing and other processing. A feed pipe 2 of a feed assembly is arranged above the weighing hopper 1 (partially shown, which can facilitate the transportation and discharge of concrete aggregates). An electric control valve 10 is installed on the feed pipe 2, which can stop the discharge after reaching the specified weight. A connecting cover plate 3 is provided at the bottom of the weighing hopper 1 through a discharge pipe 20 (which is also equipped with an electric control valve 10, which can discharge the materials after weighing). The connecting cover plate 3 can be a partial illustration of a mixing tank, which can enter the mixing tank for mixing operations after the aggregates are weighed, or it can be a partial illustration of other devices.

[0026] See also Figure 1-Figure 5 In order to ensure the overall stability of the weighing bucket 1, and to avoid internal residue during weighing and unloading, to facilitate unloading, and to prevent aggregates from adhering to the inner wall, the connecting cover plate 3 is equidistantly and vertically welded with support columns 8 of the support assembly, and the tops of the two support columns 8 at the same end are welded with a support plate 9, which can be fixedly connected to the weighing bucket 1 by bolts or welding to ensure its stability, and the support plate 9 is symmetrically equipped with an electric push rod 17 of the cleaning assembly, and a connecting block 18 is installed at its output end (i.e., the top), and a connecting rod 19 (L-shaped) is welded to the side wall of the connecting block 18, and the bottom end of the connecting rod 19 is welded and fixed to the top of the cleaning frame 7, and the cleaning frame 7 is a hollow rectangular column such as Figure 5 As shown, the inner wall of the weighing bucket 1 can be cleaned conveniently, and when not in use, the inner wall of the weighing bucket 1 is not in contact with the inner wall.

[0027] See also Figure 1-Figure 5 In order to assist in material discharge and prevent the residual aggregate from adhering to the inner wall, a motor 4 of a driving mechanism is symmetrically arranged on the connecting cover plate 3, and a crankshaft 5 is fixedly connected to the output end of the motor 4 through a coupling, and the crankshaft 5 is connected to the mounting plate 6 through a bearing, and the mounting plate 6 is welded to the side wall of the weighing bucket 1, and a collar 11 is sleeved on the middle part of the crankshaft 5, and a rotating member 12 (composed of a connecting rod and a rotating block) is connected to its side wall, and the rotating member 12 is connected to the striking block 13 of the striking assembly, and a rubber pad 15 is bonded to the end of the striking block 13 to avoid hard contact with the weighing bucket 1, and a sleeve 14 is welded on the side wall of the weighing bucket 1, and a sliding cavity 16 is opened inside the sleeve, in which the striking block 13 slides back and forth, which can be rotated by the motor 4, and then the striking block 13 moves back and forth in the sliding cavity 16, and the side wall of the weighing bucket 1 can be symmetrically struck, thereby assisting in material discharge and preventing the residual aggregate from adhering.

[0028] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0029] In summary, with the aid of the above technical scheme of the utility model, the aggregate is transported through the feed pipe 2, and after being weighed by the weighing bucket 1, when the specified weight is reached, the electric control valve 10 closes the feed pipe 2 to stop the material discharge, and then the discharge operation is performed through the discharge pipe 20. During the discharge, the motor 4 rotates, driving the crankshaft 5 to rotate, and then cooperating with the ring 11 and the rotating member 12, the striking block 13 can be reciprocated in the sliding cavity 16 in the sleeve 14, and the weighing bucket 1 can be struck. At the same time, the rubber pad 15 can avoid hard contact, assist in material discharge, and avoid material residue. After the material discharge is completed, the electric push rod 17 is contracted, driving the connecting block 18 and the connecting rod 19 downward, and then the cleaning frame 7 enters the inner wall of the weighing bucket 1, and the inner wall can be cleaned to avoid the adhesion and residue of aggregate, which will not affect the next weighing. After the cleaning is completed, the electric push rod 17 is extended and drives the cleaning frame 7 to move up and reset, which is convenient for the next cleaning operation.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete aggregate weighing device, comprising a weighing bucket (1), characterized in that: The weighing bucket (1) is provided with a feeding assembly, a connecting cover plate (3) is provided under the weighing bucket (1) through a discharge pipe (20), a supporting assembly matching the weighing bucket (1) is symmetrically provided on the connecting cover plate (3), a cleaning assembly is provided on the supporting assembly, and a knocking assembly is also provided on the connecting cover plate (3) through a driving mechanism.

2. A concrete aggregate weighing device according to claim 1, characterized in that: The feed assembly comprises a feed pipe (2) arranged on a weighing bucket (1), and an electric control valve (10) is also arranged on the feed pipe (2).

3. A concrete aggregate weighing device according to claim 2, characterized in that: The support assembly comprises support columns (8) symmetrically arranged on the connecting cover plate (3), and two support columns (8) at the same end are provided with a support plate (9) in common, and the support plate (9) is fixedly connected to the weighing bucket (1).

4. A concrete aggregate weighing device according to claim 3, characterized in that: The cleaning assembly comprises an electric push rod (17) symmetrically arranged on a support plate (9), an output end of the electric push rod (17) is provided with a connecting block (18), the connecting block (18) is provided with a cleaning frame (7) via a connecting rod (19), and the cleaning frame (7) matches the weighing bucket (1).

5. A concrete aggregate weighing device according to claim 4, characterized in that: The driving mechanism comprises a motor (4) symmetrically arranged on a connecting cover plate (3); a crankshaft (5) is provided at an output end of the motor (4); and the crankshaft (5) is connected to the weighing bucket (1) via a mounting plate (6).

6. A concrete aggregate weighing device according to claim 5, characterized in that: The driving mechanism further comprises a sleeve (11) sleeved on the middle part of the crankshaft (5), a rotating member (12) being provided on the side wall of the sleeve (11), and the rotating member (12) being connected to the striking assembly.

7. A concrete aggregate weighing device according to claim 6, characterized in that: The striking assembly comprises a sleeve (14) symmetrically arranged on two side walls of the weighing bucket (1), a sliding cavity (16) is provided in the sleeve (14), a striking block (13) is slidably provided in the sliding cavity (16), one end of the striking block (13) is connected to the rotating member (12), and the other end is provided with a rubber pad (15).

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