Electronic belt scale with deviation correction function

Abstract

The utility model discloses an electronic belt scale with a deviation correction function, comprising a bottom plate (1), a fixed support frame (2) fixedly arranged at one end of the bottom plate (1), a support frame position adjustment device arranged at the other end of the bottom plate (1), a movable support frame (5) mounted on the support frame position adjustment device, an active roller (3) rotatably mounted on the fixed support frame (2), a driven shaft roller (6) rotatably mounted on the movable support frame (5), a belt scale conveyor belt (7) wound between the active roller (3) and the driven shaft roller (6), a first weighing assembly arranged at one end of the bottom plate (1), and a second weighing assembly arranged at the other end of the bottom plate (1). The utility model is suitable for weighing objects of various weights and sizes, and has an automatic deviation correction function.

Description

Technical Field

[0001] The utility model relates to an electronic belt scale, in particular to an electronic belt scale with a deviation correction function. Background Art

[0002] Electronic belt scales are used to weigh materials that are continuously transported. Ordinary electronic belt scales usually place weighing sensors under the conveyor belt. For example, Chinese patent CN203053532U proposes a multifunctional electronic belt scale, which includes a weighing sensor installed at the bottom of the belt and a speed sensor in contact with the belt. From the disclosed content, it can be seen that the weighing sensor of this multifunctional electronic belt scale cannot accurately weigh light materials and materials with long lengths. At the same time, the belt of this multifunctional electronic belt scale will become loose after long-term use, further affecting the accuracy of weighing; in addition, this multifunctional electronic belt scale has no adjustment and correction mechanism. If the conveyed items are offset during the conveying process, the items cannot be smoothly conveyed to the set terminal area. Utility Model Content

[0003] The utility model aims to provide an electronic belt scale with a deviation correction function to solve the technical problems in the prior art. The electronic belt scale is suitable for weighing objects of various weights and sizes and has an automatic deviation correction function.

[0004] The utility model provides an electronic belt scale with a deviation correction function, comprising a base plate, a fixed support frame is fixedly arranged at one end of the base plate, a support frame position adjustment device is arranged at the other end of the base plate, a movable support frame is installed on the support frame position adjustment device, an active roller is rotatably installed on the fixed support frame, a driven shaft roller is rotatably installed on the movable support frame, a belt scale conveyor belt is wound around the active roller shaft and the driven shaft roller, a first weighing assembly is arranged at one end of the base plate, and a second weighing assembly is arranged at the other end of the base plate.

[0005] In the aforementioned electronic belt scale with a deviation correction function, preferably, the support frame position adjustment device includes an adjustment slide, a deviation correction screw and a deviation correction motor, the adjustment slide is fixedly connected to one end of the base plate, the top of the adjustment slide is an open structure, the deviation correction screw is rotatably installed in the adjustment slide, the lower end of the movable support frame 5 is provided with an adjustment screw hole, the deviation correction screw is threadedly connected to the adjustment screw hole, the deviation correction motor is fixed on the outer wall of one end of the adjustment slide, and the deviation correction motor is connected to one end of the deviation correction screw through a coupling.

[0006] In the aforementioned electronic belt scale with deviation correction function, preferably, one end of the deviation correction screw is fixedly connected to a manual adjustment disk.

[0007] In the aforementioned electronic belt scale with a correction function, preferably, the first weighing component is arranged close to the movable support frame, the first weighing component includes a first slot and a first gravity sensing mechanism, the first slot is fixed on the bottom plate, and the first gravity sensing mechanism is installed at the top of the first slot; the second weighing component is arranged close to the fixed support frame, the second weighing component includes a second slot and a second gravity sensing mechanism, and the second gravity sensing mechanism is installed at the top of the second slot.

[0008] In the aforementioned electronic belt scale with deviation correction function, preferably, brackets are fixedly provided on both sides of the top surface of the base plate, and position sensing switches are fixedly provided on the tops of the two brackets, and the position sensing switches are electrically connected to the starting control end of the deviation correction motor.

[0009] In the aforementioned electronic belt scale with deviation correction function, preferably, a middle slot is fixedly provided in the middle of the top surface of the base plate, a tension roller is movably engaged in the middle slot, a wedge block is movably engaged in the middle of the middle slot through an opening, and the top surface of the wedge block supports and connects the bottom end of the tension roller.

[0010] In the aforementioned electronic belt scale with a deviation correction function, preferably, one end of the fixed support frame is fixedly connected to a drive motor, and an output shaft of the drive motor is fixedly connected to the active roller shaft.

[0011] In the aforementioned electronic belt scale with deviation correction function, preferably, the active roller and the driven roller are both dumbbell-shaped structures or waist drum-shaped structures.

[0012] Compared with the prior art, the utility model includes a bottom plate, a fixed support frame is fixedly arranged at one end of the bottom plate, a support frame position adjustment device is arranged at the other end of the bottom plate, a movable support frame is installed on the support frame position adjustment device, an active roller is rotatably installed on the fixed support frame, a driven shaft roller is rotatably installed on the movable support frame, a belt scale conveyor belt is wound around the active roller shaft and the driven shaft roller, a first weighing assembly is arranged at one end of the bottom plate, and a second weighing assembly is arranged at the other end of the bottom plate. The utility model can correct the deviation of the belt scale conveyor belt by adjusting the position of the movable support frame through the support frame position adjustment device when the position deviation of the belt scale conveyor belt is found.

[0013] The utility model is provided with a first weighing assembly and a second weighing assembly, which can simultaneously support both ends of a larger or longer conveying object, and accurately weigh the weight of the conveying object; for a smaller or lighter object, it is weighed once when passing through the first weighing assembly, and is weighed again when passing through the second weighing assembly, so the accurate weight of the smaller or lighter object can be obtained by dividing the total weight after the two weighings by two. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric drawing of the utility model;

[0015] Figure 2 It is the front view of the utility model;

[0016] Figure 3 It is a partial structural sectional view of the utility model.

[0017] Explanation of the reference numerals in the accompanying drawings: 1. Base plate; 2. Fixed support frame; 3. Active roller shaft; 4. Adjustment slide; 5. Movable support frame; 6. Driven shaft roller; 7. Belt scale conveyor belt; 8. Correction screw; 9. Adjustment screw hole; 10. Correction motor; 11. Manual adjustment dial; 12. First notch; 13. Second notch; 14. First gravity sensing mechanism; 15. Second gravity sensing mechanism; 16. Middle notch; 17. Tension roller; 18. Wedge block; 19. Position sensing switch; 20. Drive motor; 21. Bracket. DETAILED DESCRIPTION

[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be interpreted as limiting the present invention.

[0019] Embodiments of the present utility model: Figure 1-Figure 3 As shown, an electronic belt scale with a deviation correction function includes a base plate 1, a fixed support frame 2 is fixedly arranged at one end of the base plate 1, a support frame position adjustment device is arranged at the other end of the base plate 1, a movable support frame 5 is installed on the support frame position adjustment device, an active roller shaft 3 is rotatably installed on the fixed support frame 2, a driven shaft roller 6 is rotatably installed on the movable support frame 5, a belt scale conveyor belt 7 is wound around the active roller shaft 3 and the driven shaft roller 6, a first weighing assembly is arranged at one end of the base plate 1, and a second weighing assembly is arranged at the other end of the base plate 1.

[0020] The support position adjustment device is used to adjust the position of the movable support frame 5, so as to realize the deviation correction of the position of the belt scale conveyor belt 7. By setting the first weighing component and the second weighing component, the two ends of the conveyed items with larger or longer volume can be supported at the same time, and the weight of the conveyed items can be accurately weighed; for smaller or lighter items, they are weighed once when passing through the first weighing component, and weighed again when passing through the second weighing component, so the total weight after two weighings can be divided by two to obtain the accurate weight of the smaller or lighter items.

[0021] In a specific embodiment, the support frame position adjustment device includes an adjustment chute 4, a correction screw 8 and a correction motor 10. The adjustment chute 4 is fixedly connected to one end of the base plate 1, the top of the adjustment chute 4 is an open structure, the correction screw 8 is rotatably installed in the adjustment chute 4, and the two ends of the correction screw 8 are respectively rotatably connected to the two end plates of the adjustment chute 4 through bearings. The lower end of the movable support frame 5 is provided with an adjustment screw hole 9, and the correction screw 8 is threadedly connected to the adjustment screw hole 9. The correction motor 10 is fixed on the outer wall of one end of the adjustment chute 4. The correction motor 10 is connected to one end of the correction screw 8 through a coupling, and the other end of the correction screw 8 is fixedly connected with a manual adjustment disk 11. It should be noted that the side wall of the adjustment chute 4 can limit the lower end of the movable support frame 5, so that the movable support frame 5 can only move along the axial direction of the correction screw 8 in the adjustment chute 4, and will not rotate around the correction screw 8.

[0022] Driven by the active roller 3 and the driven roller 6, the belt scale conveyor belt 7 translates the articles it carries, and weighs the articles during the translation through the first weighing assembly and the second weighing assembly; the movable support frame 5 can be moved in the adjustment slide 4 through the correcting screw 8 and the adjusting screw hole 9, so that the belt scale conveyor belt 7 can swing. When adjusting, the swing angle of the belt scale conveyor belt 7 can be automatically controlled by the forward and reverse rotation of the correcting motor 10, and the swing angle of the belt scale conveyor belt 7 can also be manually controlled by the manual adjustment disk 11; therefore, when the angle of the belt scale conveyor belt 7 and the article transmission is offset, the swing angle of the belt scale conveyor belt 7 can also be corrected by the correcting motor 10 and the manual adjustment disk 11.

[0023] Furthermore, the first weighing assembly is arranged near the movable support frame 5, and the first weighing assembly includes a first slot 12 and a first gravity sensing mechanism 14. The first slot 12 is fixed on the base plate 1, and the first gravity sensing mechanism 14 is installed at the top of the first slot 12; the second weighing assembly is arranged near the fixed support frame 2, and the second weighing assembly includes a second slot 13 and a second gravity sensing mechanism 15. The second gravity sensing mechanism 15 is installed at the top of the second slot 13. The first gravity sensing mechanism 14 and the second gravity sensing mechanism 15 support the bottom surface of the upper layer of the belt scale conveyor belt 7.

[0024] When the top surface of the belt scale conveyor belt 7 carries an item, the weight of the item is weighed and calculated by the first gravity sensing mechanism 14 and the second gravity sensing mechanism 15, and the calculation result is the weight of the conveyed item. Therefore, for larger or longer conveyed items, the first gravity sensing mechanism 14 and the second gravity sensing mechanism 15 can simultaneously support both ends of the larger or longer conveyed items through the belt scale conveyor belt 7 to accurately weigh the weight of the conveyed items; for smaller or lighter items, they are weighed once when passing through the first gravity sensing mechanism 14, and weighed again when passing through the second gravity sensing mechanism 15, so the total weight after the two weighings can be divided by two to obtain the accurate weight of the smaller or lighter items. The first gravity sensing mechanism 14 and the second gravity sensing mechanism 15 in this embodiment are both commercially available products and can be purchased directly. The weights weighed by the first gravity sensing mechanism 14 and the second gravity sensing mechanism 15 can be sent to a smart terminal through a wireless signal for display, such as a mobile phone, a tablet computer, a smart watch, etc., or a display can be directly set on the bottom plate 1 to display it.

[0025] Furthermore, brackets 21 are fixedly provided on both sides of the top surface of the bottom plate 1, and position sensing switches 19 are fixedly provided on the tops of the two brackets 21. The position sensing switches 19 are electrically connected to the start control end of the deviation correction motor 10. The position sensing switches 19 can be selected from commercially available infrared sensing switches or ultrasonic sensing switches, which belong to the prior art.

[0026] When the belt scale conveyor belt 7 and the items it conveys deviate to the left, the position sensing switch 19 located on the left side of the top surface of the base plate 1 detects the deviation. At this time, a start command is issued to the forward rotation switch of the correcting motor 10, and the correcting motor 10 rotates forward, driving the movable support frame 5 and the driven shaft roller 6 to move to the right through the coupling and the correcting screw 8, until the position sensing switch 19 on the left side of the top surface of the base plate 1 no longer detects that the belt scale conveyor belt 7 is deviated to the left. At this time, the position sensing switch 19 no longer issues a start command to the forward rotation switch of the correcting motor 10, and the correcting motor 10 stops; when the belt scale conveyor belt 7 and the items it conveys deviate to the right, its working principle and process are the same as above and will not be repeated here; therefore, the belt scale conveyor belt 7 can smoothly convey the items it conveys from the initial position to the set terminal position.

[0027] Furthermore, a middle slot 16 is fixedly provided in the middle of the top surface of the bottom plate 1, and a tension roller 17 is movably engaged in the middle slot 16. The tension roller 17 supports and connects the bottom surface of the lower layer of the belt scale conveyor belt 7. A wedge block 18 is movably engaged in the middle of the middle slot 16 through an opening, and the top surface of the wedge block 18 supports and connects the bottom end of the tension roller 17.

[0028] When the belt scale conveyor belt 7 becomes loose due to long-term use, the height of the tension roller 17 can be adjusted by the telescopic degree of the wedge block 18 in the middle slot 16, so that the top surface of the tension roller 17 always supports the bottom surface of the lower layer connected to the belt scale conveyor belt 7, allowing the first gravity sensing mechanism 14 and the second gravity sensing mechanism 15 to accurately weigh the items transported on the belt scale conveyor belt 7.

[0029] Furthermore, a driving motor 20 is fixedly connected to one end of the fixed support frame 2, and the output shaft of the driving motor 20 is fixedly connected to the active roller shaft 3. The driving motor 20 drives the belt scale conveyor belt 7 to translate through the active roller shaft 3 to weigh and convey the items. The active roller shaft 3 and the driven roller 6 are both dumbbell-shaped structures or waist drum-shaped structures, which can well keep the conveyed items in the center position to prevent them from deviating during the conveying process.

[0030] The above describes in detail the structure, features and effects of the utility model based on the embodiments shown in the drawings. The above is only a preferred embodiment of the utility model, but the utility model is not limited to the scope of implementation shown in the drawings. Any changes made in accordance with the concept of the utility model, or modifications to equivalent embodiments with equivalent changes, which still do not exceed the spirit covered by the description and the drawings, should be within the protection scope of the utility model.

Claims

1. An electronic belt scale with a deviation correction function, comprising a bottom plate (1), characterized in that: A fixed support frame (2) is fixedly provided at one end of the base plate (1), a support frame position adjustment device is provided at the other end of the base plate (1), a movable support frame (5) is installed on the support frame position adjustment device, an active roller (3) is rotatably installed on the fixed support frame (2), a driven shaft roller (6) is rotatably installed on the movable support frame (5), a belt scale conveyor belt (7) is wound around the active roller (3) and the driven shaft roller (6), a first weighing assembly is provided at one end of the base plate (1), and a second weighing assembly is provided at the other end of the base plate (1).

2. The electronic belt scale with deviation correction function according to claim 1, characterized in that: The support frame position adjustment device comprises an adjustment slide groove (4), a correction screw (8) and a correction motor (10); the adjustment slide groove (4) is fixedly connected to one end of the base plate (1); the top of the adjustment slide groove (4) is an open structure; the correction screw (8) is rotatably installed in the adjustment slide groove (4); an adjustment screw hole (9) is provided at the lower end of the movable support frame (5); the correction screw (8) is threadedly connected to the adjustment screw hole (9); the correction motor (10) is fixedly arranged on the outer wall of one end of the adjustment slide groove (4); and the correction motor (10) is connected to one end of the correction screw (8) through a coupling.

3. The electronic belt scale with deviation correction function according to claim 2 is characterized in that: One end of the deviation-correcting screw rod (8) is fixedly connected to a manual adjustment disk (11).

4. The electronic belt scale with deviation correction function according to claim 2, characterized in that: The first weighing assembly is arranged near the movable support frame (5), and comprises a first slot (12) and a first gravity sensing mechanism (14); the first slot (12) is fixed on the bottom plate (1), and the first gravity sensing mechanism (14) is installed at the top of the first slot (12); the second weighing assembly is arranged near the fixed support frame (2), and comprises a second slot (13) and a second gravity sensing mechanism (15); the second gravity sensing mechanism (15) is installed at the top of the second slot (13).

5. The electronic belt scale with deviation correction function according to claim 2, characterized in that: Brackets (21) are fixedly provided on both sides of the top surface of the bottom plate (1), and position sensing switches (19) are fixedly provided on the tops of the two brackets (21), wherein the position sensing switches (19) are electrically connected to the start control end of the deviation correction motor (10).

6. The electronic belt scale with deviation correction function according to claim 1, characterized in that: A middle notch (16) is fixedly provided in the middle of the top surface of the bottom plate (1), a tension roller (17) is movably engaged in the middle notch (16), a wedge block (18) is movably engaged in the middle of the middle notch (16) through an opening, and the top surface of the wedge block (18) supports and connects the bottom end of the tension roller (17).

7. The electronic belt scale with deviation correction function according to claim 1, characterized in that: One end of the fixed support frame (2) is fixedly connected to a drive motor (20), and an output shaft of the drive motor (20) is fixedly connected to the active roller shaft (3).

8. The electronic belt scale with deviation correction function according to claim 1, characterized in that: The active roller shaft (3) and the driven roller shaft (6) are both dumbbell-shaped structures or waist drum-shaped structures.

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