CN212693034U - Belt scale capable of improving weighing precision - Google Patents
Belt scale capable of improving weighing precision Download PDFInfo
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- CN212693034U CN212693034U CN202021583610.6U CN202021583610U CN212693034U CN 212693034 U CN212693034 U CN 212693034U CN 202021583610 U CN202021583610 U CN 202021583610U CN 212693034 U CN212693034 U CN 212693034U
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Abstract
The utility model is suitable for the technical field of belt weighers, and provides a belt weigher for improving weighing precision, which comprises a frame, wherein two sides of the frame are provided with two transverse rods, a tension device is fixedly connected on the transverse rods, two ends of the frame are rotatably connected with a driving wheel and a driven wheel, the driving wheel and the driven wheel are wound with a belt, and a weighing carrier roller and a plurality of auxiliary carrier rollers which are rotatably connected on the frame are arranged between the driving wheel and the driven wheel; the belt is provided with a zero-setting assembly, and the zero-setting assembly comprises an iron sheet arranged in the belt in a clamping manner and a counter matched with the iron sheet for use. Therefore, the utility model discloses simple structure, the design is reliable, can adjust the tensioning roller to suitable position, makes belt weigher work more stable, has improved the precision of weighing of belt weigher.
Description
Technical Field
The utility model relates to a belt weigher technical field especially relates to an improve belt weigher of precision of weighing.
Background
As is well known, a high-precision electronic belt scale is a device for cumulatively weighing materials passing through a conveyor belt and controlling the flow rate of the materials in the industrial production process, and is widely used in the field of weighing equipment, and the operating principle of the belt scale is as follows: the material drops on conveying mechanism through the pay-off case, at this moment the material removes along with conveying mechanism, when the material passes through weighing sensor, at this moment weighing sensor experiences the change of gravity and sends the signal of telecommunication that corresponds with the gravity change to the controller, simultaneously tacho sensor has detected the velocity signal of material through the rotational speed of drive roll equally, provide a series of pulses, every pulse represents a belt motion unit, the frequency of pulse is directly proportional to belt speed, and tacho sensor transmits pulse velocity signal for the controller, the controller is from weighing sensor and tacho sensor received signal, through integral operation reachs an accumulative weight value and instantaneous flow value, and show respectively can.
The material weight of the prior belt scale is the accumulated weight value multiplied by the coefficient, the coefficient is a fixed value for deducting the total weight of the belt scale, the actual belt scale has abrasion or the weight change of each part caused by uneven thickness, and the deduction of the weight of the belt scale by the coefficient is obviously not accurate enough.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
To foretell defect, the utility model aims to provide an improve belt weigher of precision of weighing, its simple structure, the design is reliable, can adjust the tensioning roller to suitable position, makes belt weigher work more stable, has improved the precision of weighing of belt weigher.
In order to achieve the purpose, the utility model provides a belt weigher for improving weighing precision, which comprises a frame, wherein two transverse rods are arranged on two sides of the frame, a tensioning device is fixedly connected on the transverse rods, two ends of the frame are rotatably connected with a driving wheel and a driven wheel, a belt is wound on the driving wheel and the driven wheel, and a weighing carrier roller and a plurality of auxiliary carrier rollers which are rotatably connected on the frame are arranged between the driving wheel and the driven wheel; the belt is provided with a zero-setting assembly, and the zero-setting assembly comprises an iron sheet arranged in the belt in a clamping manner and a counter matched with the iron sheet for use.
According to the utility model discloses a belt weigher of improvement weighing accuracy, the overspeed device tensioner includes driving piece and tensioning piece, tensioning piece includes tensioning roller, two tensioning rods and pressure sensing subassembly; the top ends of the two tensioning rods are respectively and rotatably connected to the two cross rods, mounting grooves are formed in the bottom ends of the two tensioning rods, two end parts of the tensioning roller are connected with bearings, the bearings are located in bearing seats in the mounting grooves, and the bearing seats are connected with the mounting grooves in a sliding mode; one end of the pressure sensing assembly is fixedly connected with the tensioning rod, and the other end of the pressure sensing assembly is fixedly connected with the end part of the tensioning roller; the middle part of tensioning rod rotates and connects the driving piece, the driving piece top with the horizontal pole rotates and connects.
According to the belt scale for improving the weighing precision, the pressure sensing assembly comprises a pressure sensor and an elastic element; the pressure sensor is fixedly connected with the tensioning rod, and two ends of the elastic element are respectively connected with the pressure sensor and the end part of the tensioning roller.
According to the utility model discloses an improve belt weigher of precision of weighing, the symmetry is provided with two sliders in the periphery of bearing frame, be equipped with in the mounting groove with the slide rail that the slider cooperation was used, slider sliding connection be in the slide rail.
According to the utility model discloses an improve belt weigher of precision of weighing, the quantity of driving piece is 1 ~ 2.
According to the utility model discloses an improve belt weigher of precision of weighing, the driving piece is electric telescopic handle.
According to the utility model discloses an improve belt weigher of precision of weighing, elastic element is the spring.
According to the utility model discloses an improve belt weigher of precision of weighing, the belt is equipped with the place of iron sheet is equipped with originated lines.
The utility model aims to provide a belt weigher for improving weighing precision, which can achieve the purpose of adjusting the tension roller to a proper position by arranging the tension device, so that the belt weigher can work more stably and the weighing accuracy is improved; through setting up iron sheet and counter, can calculate the accurate weight of belt, improve the precision of weighing of belt weigher. To sum up, the utility model has the advantages that: simple structure, the design is reliable, can adjust tensioning roller to suitable position, makes belt weigher work more stable, has improved the precision of weighing of belt weigher.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic view of part A of FIG. 1;
FIG. 4 is a schematic view of the structure of FIG. 1 in the direction B-B;
FIG. 5 is a schematic view of the C-direction structure of FIG. 4;
in the figure: 11-driving wheel, 12-driven wheel, 2-belt, 3-frame, 31-cross bar, 4-weighing idler, 5-auxiliary idler, 6-tensioning device, 61-driving piece, 62-tensioning rod, 63-tensioning roller, 64-elastic element, 65-pressure sensor, 66-mounting groove, 67-sliding block, 68-sliding rail and 69-bearing seat; 7-zero setting component, 71-iron sheet, 72-counter, 73-initial line; 8-feeding box, 91-speed measuring sensor, 92-motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 2, the utility model provides a belt scale for improving weighing accuracy, which comprises a frame 3 of the belt scale, wherein the frame 3 comprises cross rods 31 positioned at two sides of the frame 3, a tension device 6 is fixedly connected on the cross rods 31, two ends of the frame 3 are rotatably connected with a driving wheel 11 and a driven wheel 12, the driving wheel 11 is driven by a motor 92 to rotate, and a speed measuring sensor 91 is arranged on the motor 92; one end of the bracket 3 close to the driven wheel 12 is provided with a feeding box 8; the driving wheel 11 and the driven wheel 12 are connected with the belt 2 in a winding way, and the belt 2 comprises an upper half section and a lower half section; be equipped with between action wheel 11 and the follow driving wheel 12 and rotate weighing idler 4 and a plurality of auxiliary roller 5 of connection in frame 3, weighing idler 4 and auxiliary roller 5 all with belt 2 first section in close contact with, give belt 2 holding power, weighing idler 4 is equipped with weighing sensor, can weigh the material through weighing idler 4.
Under normal conditions, the belt 2 applies pressure to the tension roller 63, the pressure makes the bearing blocks 69 at the two ends of the tension roller 63 slide upwards and then abut against the top end of the interior of the mounting groove 66, and at the moment, the elastic element 64 transmits the pressure to the pressure sensor 65; when the belt 2 becomes slack due to long-term operation, the pressing force of the belt 2 to the tension roller 63 becomes small, and at this time, the bearing blocks 69 at both ends of the tension roller 63 slide downward, and the elastic member 64 is stretched by the tension roller 63, and the pressing force of the elastic member 64 against the pressure sensor 65 becomes small.
Preferably, two sliding blocks 67 are symmetrically arranged on the periphery of the bearing seat 69, a sliding rail 68 matched with the sliding blocks 67 for use is arranged in the mounting groove 66, and the sliding blocks 67 are slidably connected in the sliding rail 68, so that when pressure is applied, the bearing seat 69 drives the tensioning roller 63 to slide along the sliding rail 68, and the tensioning work is more stable.
The driving member 61 can drive the tension rod 62 and the tension roller 63 to rotate by taking the top end of the tension rod 62 as a circle center, so as to adjust the pressure between the tension roller 63 and the lower half section of the belt 2. Because long-time work of belt 2, can make belt 2 produce the lax phenomenon, make the pressure between tensioning roller 63 and the belt 2 diminish, the pressure that elastic element 64 produced to pressure sensor 65 diminishes simultaneously, when the real-time pressure that pressure sensor 65 detected reduces, pressure sensor 65 transmits the pressure value for the controller, controller control driving piece 61 is flexible, driving piece 61 promotes tensioning rod 62 and rotates downwards, make the distance between tensioning roller 63 and the belt 2 diminish, the pressure grow, in this process, pressure sensor 65 detects the pressure value in the tensioning process in real time, when the pressure value resumes the normal tensioning state of belt 2, driving piece 61 stop work, accomplish the tensioning.
When the number of the driving parts is 1-2, and the number of the driving parts 61 is 1, one of the two tensioning rods 62 is rotatably connected with the driving part 61, because the two tensioning rods 62 are connected through the tensioning roller 63, the driving part 61 can drive the two tensioning rods 62 to move simultaneously, and the device is economical and practical; when the quantity of driving piece 61 was 2, two tensioning rod 62 all rotated and connect driving piece 61, and work is more firm. The utility model discloses a quantity of driving piece 61 is 1. Preferably, the driving member 61 is an electric telescopic shaft.
Preferably, the elastic element is a spring, and the spring is simple in structure, economical and practical.
Preferably, the belt 2 is provided with a zero-setting assembly 7, referring to fig. 2, the zero-setting assembly 7 includes an iron sheet 71 located in an interlayer of the belt 2, the frame 3 is further provided with a counter 72 used in cooperation with the iron sheet 71, the counter 72 records the number of times that the iron sheet 71 passes through, and the number of times that the iron sheet 71 passes through the counter 72 is the number of turns of the belt scale; counter 72 is located the below of pay-off box 8, in use, it is the initial point to make the belt weigher idle running when iron sheet 71 and counter 72 are located same water flat line earlier, zero setting promptly, then the belt weigher idle running once more, counter 72 begins to record the number of times that iron sheet 71 passed through, the number of times that iron sheet 71 passed through this moment is the number of turns that the belt weigher idled this moment, stop when iron sheet 71 and counter 72 reachd the initial point once more, the weight value that the controller shows this moment divides the numerical value that is the accurate weight of belt weigher with counter 72, the weight value of belt weigher is accurate, the belt weigher is just more accurate to the weighing of material. Before the belt weigher works at every turn, the belt weigher can be subjected to weight measurement, numerical values are input into the controller, the controller calculates, and the weighing precision of materials can be greatly improved.
Furthermore, a starting line 73 is drawn at the position where the iron sheet 71 is arranged on the belt 2, and the starting line 73 is convenient for a worker to correct the starting point.
The tensioning device 6, the speed measuring sensor 91, the weight measuring sensor, the counter and the motor 92 are all electrically connected with the controller.
The working principle of the utility model is as follows:
the method comprises the steps of firstly enabling the belt weigher to idle until the iron sheet 71 and the counter 72 are located on the same horizontal line, namely, zero setting, then enabling the belt weigher to idle again, enabling the counter 72 to start recording the number of times that the iron sheet 71 passes through, enabling the number of times that the iron sheet 71 passes through to be the number of idle turns of the belt weigher, stopping when the iron sheet 71 and the counter 72 reach the starting point again, dividing the weight value displayed by a controller by the numerical value of the counter 72 to obtain the accurate weight of the belt weigher, inputting the numerical value into the controller, and enabling the controller to calculate to obtain the net weight of materials. When the long-time work of belt 2, make belt 2 produce the lax phenomenon, the pressure between tensioning roller 63 and the belt 2 diminishes, the pressure that elastic element 64 produced to pressure sensor 65 diminishes simultaneously, the real-time pressure that pressure sensor 65 detected reduces, pressure sensor 65 transmits the pressure value for the controller, controller control driving piece 61 is flexible, driving piece 61 promotes tensioning rod 62 and rotates downwards, make the distance between tensioning roller 63 and the belt 2 diminish, the pressure grow, at this in-process, pressure sensor 65 detects the pressure value in the tensioning process in real time, when the pressure value resumes the normal tensioning state of belt 2, driving piece 61 stop work, accomplish the tensioning.
In summary, the belt weigher can achieve the purpose of adjusting the tension roller to a proper position by arranging the tension device, so that the belt weigher can work more stably, and the weighing accuracy is improved; through setting up iron sheet and counter, can calculate the accurate weight of belt, improve the precision of weighing of belt weigher. The utility model has the advantages that: simple structure, the design is reliable, can adjust tensioning roller to suitable position, makes belt weigher work more stable, has improved the precision of weighing of belt weigher.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (8)
1. The belt scale capable of improving the weighing precision is characterized by comprising a rack, wherein two transverse rods are arranged on two sides of the rack, a tensioning device is fixedly connected onto the transverse rods, two ends of the rack are rotatably connected with a driving wheel and a driven wheel, a belt is wound on the driving wheel and the driven wheel, and a weighing carrier roller and a plurality of auxiliary carrier rollers which are rotatably connected onto the rack are arranged between the driving wheel and the driven wheel;
the belt is provided with a zero-setting assembly, and the zero-setting assembly comprises an iron sheet arranged in the belt in a clamping manner and a counter matched with the iron sheet for use.
2. The belt scale of claim 1, wherein the tensioning device comprises a driving member and a tensioning member, the tensioning member comprises a tensioning roller, two tensioning rods and a pressure sensing assembly; the top ends of the two tensioning rods are respectively and rotatably connected to the two cross rods, mounting grooves are formed in the bottom ends of the two tensioning rods, two end parts of the tensioning roller are connected with bearings, the bearings are located in bearing seats in the mounting grooves, and the bearing seats are connected with the mounting grooves in a sliding mode; one end of the pressure sensing assembly is fixedly connected with the tensioning rod, and the other end of the pressure sensing assembly is fixedly connected with the end part of the tensioning roller; the middle part of tensioning rod rotates and connects the driving piece, the driving piece top with the horizontal pole rotates and connects.
3. The belt scale of claim 2, wherein the pressure sensing assembly comprises a pressure sensor and a resilient element; the pressure sensor is fixedly connected with the tensioning rod, and two ends of the elastic element are respectively connected with the pressure sensor and the end part of the tensioning roller.
4. The belt scale of claim 2, wherein two sliding blocks are symmetrically arranged on the periphery of the bearing seat, a sliding rail matched with the sliding blocks is arranged in the mounting groove, and the sliding blocks are slidably connected in the sliding rail.
5. The belt scale of claim 2, wherein the number of the driving members is 1-2.
6. The belt scale of claim 2, wherein the driving member is an electric telescopic rod.
7. The belt scale of claim 3, wherein the resilient element is a spring.
8. The belt scale of claim 1, wherein the belt where the iron sheet is disposed is provided with a starting line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583610.6U CN212693034U (en) | 2020-08-01 | 2020-08-01 | Belt scale capable of improving weighing precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583610.6U CN212693034U (en) | 2020-08-01 | 2020-08-01 | Belt scale capable of improving weighing precision |
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| Publication Number | Publication Date |
|---|---|
| CN212693034U true CN212693034U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021583610.6U Active CN212693034U (en) | 2020-08-01 | 2020-08-01 | Belt scale capable of improving weighing precision |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812762A (en) * | 2022-05-07 | 2022-07-29 | 徐州昊诺自动化科技有限公司 | High-precision belt scale conveying belt detection device system and method |
| WO2023161872A1 (en) * | 2022-02-24 | 2023-08-31 | Dematic Corp. | Real-time belt tension sensing system |
-
2020
- 2020-08-01 CN CN202021583610.6U patent/CN212693034U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023161872A1 (en) * | 2022-02-24 | 2023-08-31 | Dematic Corp. | Real-time belt tension sensing system |
| CN114812762A (en) * | 2022-05-07 | 2022-07-29 | 徐州昊诺自动化科技有限公司 | High-precision belt scale conveying belt detection device system and method |
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