Double-belt electronic scale

Abstract

The utility model discloses a double-belt electronic scale which comprises a weighing belt conveyor and a feeding belt conveyor which are connected end to end. The feeding belt conveyor conveys the materials to the weighing belt conveyor for weighing; the feeding belt conveyor is obliquely arranged, and the height of the end, away from the weighing belt conveyor, of the feeding belt conveyor can be adjusted through a height adjusting device. A detection sensor is arranged at the conveying front end of the weighing belt conveyor and is used for detecting the in-place of materials; telescopic rods are vertically arranged on the two sides of the conveying front end of the feeding belt conveyor correspondingly, and a material blocking plate is transversely arranged between the two telescopic rods. According to the utility model, the inclination angle of the feeding belt conveyor can be adjusted, so that materials can be smoothly and stably conveyed to the weighing belt conveyor, and the materials can be prevented from tipping over; during weighing, a certain number of weighing groups are used for weighing, the efficiency is high, and the weight of a single material can be accurately calculated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a double-belt electronic scale belongs to electronic scale technical field. BACKGROUND

[0002] Belt scale is widely used in railway station, port, airport and other production enterprises, such as coal mine, thermal power, steel, cement building materials, etc. The traditional belt scale is suitable for weighing relatively uniform loose materials due to the limitation of measurement principle and structure, when weighing fuel such as coal, large, medium and small pieces of coal are mixed with crushed coal, and the measurement accuracy is affected. After the belt scale runs for a period of time, the measurement error will increase due to various factors, and needs to be calibrated. From the existing belt scale calibration method, some are very accurate and troublesome, some are relatively accurate and troublesome, and it is difficult to achieve both accuracy and convenience.

[0003] The Chinese utility model patent with publication number CN218878608U discloses a double-speed belt scale, a trailing material belt is swing below the end of material conveying, and an inclined connection guide plate is arranged. The two side walls of the connection guide plate are upwardly fixed with baffles. The upper part of the trailing material belt is provided with a feeding cylinder and a trimming plate along the material conveying direction. A plurality of flow guide columns are horizontally and fixedly connected in the feeding cylinder. The lower end of the trimming plate is adjusted by a lifting assembly to adjust the distance between the trimming plate and the trailing material belt. The above-mentioned patent sets a connection guide plate between the trailing material belt and the metering belt, realizes receiving the material falling from the trailing material belt, and guides the material into the metering belt, prevents the material from sliding to the outside due to the height difference between the two.

[0004] However, the above-mentioned patent has the following defects in the process of use: the trailing material belt and the metering belt are transitioned by the guide plate, and the angle of the guide plate in the conveying process is fixedly arranged without a transmission device. The material falling from the trailing material belt will accumulate on the guide plate, causing poor discharging. If the inclination angle of the guide plate is too large, the material will roll off from the guide plate, which is not convenient for weighing, and there is a risk of damaging the material.

[0005] In summary, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENTS

[0006] The utility model provides a double-belt electronic scale aiming at the deficiency in the background art, can adjust the inclination angle of the feeding belt conveyor to smoothly and stably convey the material to the weighing belt conveyor, and can prevent the material from tipping over. The weighing is carried out by a weighing group with a certain number, the efficiency is high, and the weight of a single material can be accurately calculated.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme:

[0008] The double-belt electronic scale comprises a weighing belt conveyor and a feeding belt conveyor, the feeding belt conveyor is connected with the weighing belt conveyor in a head-to-tail mode; the feeding belt conveyor conveys materials to the weighing belt conveyor for weighing;

[0009] The feeding belt conveyor is arranged in an inclined mode, and the height of the end of the feeding belt conveyor away from the weighing belt conveyor can be adjusted by the height adjusting device;

[0010] The front end of the conveying part of the weighing belt conveyor is provided with a detection sensor for detecting the arrival of the materials;

[0011] The front end of the conveying part of the feeding belt conveyor is vertically provided with two telescopic rods, and a material blocking plate is transversely arranged between the two telescopic rods.

[0012] Further, the weighing belt conveyor comprises a weighing frame, the front and rear ends of the weighing frame are respectively provided with a driving weighing roller and a driven weighing roller, the driving weighing roller is driven by a driving motor, and a weighing belt is wound between the driving weighing roller and the driven weighing roller.

[0013] Further, the lower end of the weighing frame is vertically provided with two weighing columns, the lower end of the weighing column is provided with a weighing sensor, and the weighing sensor is mounted on a bearing bottom plate.

[0014] Further, the front end of the weighing frame is provided with a fixing support, and the detection sensor is mounted on the fixing support.

[0015] Further, the feeding belt conveyor comprises a feeding frame, the front and rear ends of the feeding frame are respectively provided with a driving conveying roller and a driven conveying roller, the driving conveying roller is driven by a driving motor, and a conveying belt is wound between the driving conveying roller and the driven conveying roller.

[0016] The driven conveying roller close to the weighing belt conveyor is rotatably mounted on a driven shaft, and the driven shaft is mounted on the top end of the feeding column.

[0017] Further, the two ends of the driven shaft are respectively provided with adjusting supports, and a guide roller is rotatably mounted on the top of the two adjusting supports.

[0018] Further, the lower end of the adjusting support is sleeved on the driven shaft, and the lower end of the adjusting support is provided with a locking screw.

[0019] Further, the height adjusting device comprises a first supporting arm and a second supporting arm, the upper end of the first supporting arm is hingedly connected to the height adjusting end of the adjusting support, the lower end of the first supporting arm is hingedly connected to a sliding block, the upper end of the second supporting arm is hingedly connected to the middle position of the first supporting arm, and the lower end of the second supporting arm is hingedly connected to a bearing bottom plate; the bottom of the sliding block is slidingly mounted on a sliding rail, the sliding block is threadedly connected with a screw rod, and the screw rod is driven by an adjusting motor.

[0020] Compared with the prior art, the present invention, by adopting the above technical solution, has the following advantages:

[0021] The weighing conveyor belt and the feeding conveyor belt are connected end to end. The feeding conveyor belt is set at an incline. By adjusting the incline angle of the feeding conveyor belt, the material can be smoothly and stably transported from the feeding conveyor belt to the weighing conveyor belt for weighing. At the same time, it ensures that the material will not tip over due to the large incline angle, achieving a smooth material transfer. In addition, the height of the outer end of the feeding conveyor belt is adjustable, so it can adapt to material supply platforms of different heights, and has good versatility.

[0022] The weighing belt conveyor is equipped with a detection sensor at the front end of the conveyor, and the feeding belt conveyor has vertical telescopic rods on both sides of the front end of the conveyor, with a baffle plate placed horizontally between the two telescopic rods. Weighing is carried out in a fixed number of weighing groups, which is highly efficient. Moreover, the amount of material in each weighing group is fixed, so the weight of each individual material can be accurately calculated.

[0023] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0026] In the diagram, 1-weighing belt conveyor, 2-feeding belt conveyor, 3-fixed bracket, 4-detection sensor, 5-weighing column, 6-weighing sensor, 7-bearing base plate, 8-weighing frame, 9-feeding frame, 10-feeding column, 11-first support arm, 12-second support arm, 13-slide rail, 14-screw, 15-slider, 16-adjusting motor, 17-guide roller, 18-adjusting bracket, 19-locking screw, 20-telescopic rod, 21-baffle plate. Detailed Implementation

[0027] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings.

[0028] like Figure 1 As shown, this utility model provides a double-belt electronic scale, including a weighing belt conveyor 1 and a feeding belt conveyor 2, with the weighing belt conveyor 1 and the feeding belt conveyor 2 connected end to end; the feeding belt conveyor 2 conveys the material to the weighing belt conveyor 1 for weighing.

[0029] The feeding belt conveyor 2 is set at an inclination, and the height of the end of the feeding belt conveyor 2 away from the weighing belt conveyor 1 can be adjusted by a height adjustment device;

[0030] The front end of the conveying of the weighing belt conveyor 1 is provided with a detection sensor 4 for detecting the arrival of the material.

[0031] The front end of the conveying of the feeding belt conveyor 2 is vertically provided with two telescopic rods 20 on both sides, and a material blocking plate 21 is transversely arranged between the two telescopic rods 20.

[0032] According to the size and shape of the outer packaging of the material, the inclination angle of the feeding belt conveyor 2 is adjusted to enable the material to be smoothly and stably transported from the feeding belt conveyor 2 to the weighing belt conveyor 1 for weighing, while ensuring that the material cannot be overturned due to too large inclination angle, realizing the smooth transition of the material, and the height of the outer end of the feeding belt conveyor 2 is adjustable, so as to adapt to the material supply platform of different heights, and the universality is good.

[0033] The weighing belt conveyor 1 weighs one or more materials at a time, and the weight of a single material is calculated according to the total weight of multiple materials when multiple materials are weighed; when multiple materials are weighed, a certain number of materials are blocked by the material blocking plate 21, and multiple materials are closely arranged as a weighing group, after the weighing of the materials on the weighing belt conveyor 1 is completed, the material blocking plate 21 releases the materials, so that multiple materials are transported together to the weighing belt conveyor 1, and when the detection sensor 4 detects the material signal, the weighing belt conveyor 1 weighs the materials thereon. When weighing, a certain number of weighing groups are weighed, the efficiency is higher, and the number of materials in the weighing group is certain, so that the weight of a single material can be accurately calculated.

[0034] The weighing belt conveyor 1 comprises a weighing rack 8, and a driving roller and a driven roller are respectively installed at the front end and the rear end of the weighing rack 8, the driving roller is driven by a driving motor, and a weighing belt is wound between the driving roller and the driven roller.

[0035] Two weighing columns 5 are vertically installed at the lower end of the weighing rack 8, a weighing sensor 6 is installed at the lower end of the weighing column 5, and the weighing sensor 6 is installed on a bearing bottom plate 7.

[0036] The front end of the weighing rack 8 is provided with a fixed support 3, and the detection sensor 4 is installed on the fixed support 3.

[0037] The feeding belt conveyor 2 comprises a feeding rack 9, and a driving roller and a driven roller are respectively installed at the front end and the rear end of the feeding rack 9, the driving roller is driven by a driving motor, a conveying belt is wound between the driving roller and the driven roller, the driven roller close to the weighing belt conveyor 1 is rotatably installed on a driven shaft, and the driven shaft is installed at the top end of a feeding column 10.

[0038] As shown in FIG. 1, the feeding belt conveyor 2 is arranged on the left side of the weighing belt conveyor 1, and the feeding belt conveyor 2 is arranged on the right side of the weighing belt conveyor 1. Figure 2The two ends of the passive shaft are respectively provided with adjusting supports 18, and a guide roller 17 is rotatably arranged on the top of the two adjusting supports 18.

[0039] The lower end of the adjusting support 18 is sleeved on the passive shaft, the lower end of the adjusting support 18 is provided with a locking screw 19, and the position of the adjusting support 18 relative to the passive shaft can be adjusted. The guide roller 17 further smoothly transports the material from the feeding belt conveyor 2 to the weighing belt conveyor 1, and the position of the guide roller 17 can be adjusted according to the inclination angle of the feeding belt conveyor 2.

[0040] The height adjusting device comprises a first supporting arm 11 and a second supporting arm 12, the upper end of the first supporting arm 11 is hinged to the height adjusting end of the adjusting support 18, the lower end of the first supporting arm 11 is hinged to the sliding block 15, the upper end of the second supporting arm 12 is hinged to the middle position of the first supporting arm 11, and the lower end of the second supporting arm 12 is hinged to the bearing bottom plate 7; the bottom of the sliding block 15 is slidably arranged on the sliding rail 13, the sliding block 15 is threadedly connected with the screw rod 14, and the screw rod 14 is driven by the adjusting motor 16. The adjusting motor 16 drives the screw rod 14 to rotate, so as to drive the sliding rail 13 to slide on the sliding rail 13, and the inclination angle of the feeding belt conveyor 2 can be adjusted through the first supporting arm 11 and the second supporting arm 12.

[0041] The above is an example of the best embodiment of the utility model, wherein the parts not described in detail are common knowledge of ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A double-belt electronic scale, characterized in that: It includes a weighing belt conveyor (1) and a feeding belt conveyor (2), with the weighing belt conveyor (1) and the feeding belt conveyor (2) connected end to end; the feeding belt conveyor (2) conveys the material to the weighing belt conveyor (1) for weighing; The feeding belt conveyor (2) is set at an angle, and the height of the end of the feeding belt conveyor (2) away from the weighing belt conveyor (1) can be adjusted by a height adjustment device; The weighing belt conveyor (1) is equipped with a detection sensor (4) at the front end of the conveyor to detect the arrival of the material; The front end of the feeding belt conveyor (2) is vertically equipped with telescopic rods (20) on both sides, and a baffle plate (21) is horizontally provided between the two telescopic rods (20).

2. The dual-belt electronic scale as described in claim 1, characterized in that: The weighing belt conveyor (1) includes a weighing frame (8), with an active weighing roller and a passive weighing roller installed at the front and rear ends of the weighing frame (8), respectively. The active weighing roller is driven by a drive motor, and a weighing belt is wound between the active weighing roller and the passive weighing roller.

3. The dual-belt electronic scale as described in claim 2, characterized in that: Two weighing columns (5) are vertically installed at the lower end of the weighing frame (8). Weighing sensors (6) are installed at the lower end of the weighing columns (5) and are mounted on the bearing base plate (7).

4. A dual-belt electronic scale as described in claim 2, characterized in that: The front end of the weighing frame (8) is provided with a fixed bracket (3), and the detection sensor (4) is installed on the fixed bracket (3).

5. A dual-belt electronic scale as described in claim 1, characterized in that: The feeding belt conveyor (2) includes a feeding frame (9), with active conveying rollers and passive conveying rollers installed at the front and rear ends of the feeding frame (9), respectively. The active conveying rollers are driven by a drive motor, and a conveyor belt is wound between the active conveying rollers and the passive conveying rollers. The passive conveying rollers near the weighing belt conveyor (1) are rotatably mounted on the passive shaft, which is mounted on the top of the feeding column (10).

6. A dual-belt electronic scale as described in claim 5, characterized in that: Adjustment brackets (18) are installed at both ends of the passive shaft, and a guide roller (17) is rotatably installed on the top between the two adjustment brackets (18).

7. A dual-belt electronic scale as described in claim 6, characterized in that: The lower end of the adjusting bracket (18) is fitted onto the passive shaft, and a locking screw (19) is installed at the lower end of the adjusting bracket (18).

8. A dual-belt electronic scale as described in claim 1, characterized in that: The height adjustment device includes a first support arm (11) and a second support arm (12). The upper end of the first support arm (11) is hinged to the height adjustment end of the adjustment bracket (18), and the lower end of the first support arm (11) is hinged to the slider (15). The upper end of the second support arm (12) is hinged to the middle position of the first support arm (11), and the lower end of the second support arm (12) is hinged to the bearing base plate (7). The bottom of the slider (15) is slidably mounted on the slide rail (13). The slider (15) is threadedly engaged with the screw (14), and the screw (14) is driven by the adjustment motor (16).

Images