Pull-type belt weigher capable of conveniently replacing belt
By setting cylinders and servo motors on the transmission rollers, combined with the design of inclined seats and extension shafts, the problem of low belt replacement efficiency in existing pull-type belt scales is solved, enabling convenient belt replacement and maintenance.
Patent Information
- Application Number
- CN202520315311.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing pull belt scales are inefficient when changing belts, requiring the separation and reassembly of the power roller, which leads to low belt replacement efficiency.
Cylinders and servo motors are installed at both ends of the transmission roller. The belt can be slidably removed by the cooperation of the ramp seat and the extension shaft, and the expansion plate and cavity structure facilitate assembly and maintenance.
It enables convenient belt replacement, improves replacement efficiency, eliminates the need for disassembly, and simplifies the maintenance process.
Smart Images

Figure CN223678604U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of belt scale maintenance, in particular to a pull type belt scale convenient to replace belt. BACKGROUND
[0002] The pull type belt scale is a device for continuously measuring and controlling the weight of bulk materials on the conveying belt, which detects the weight of materials through the weighing roller with a weighing sensor installed inside the belt, and is suitable for various industrial fields such as mining, cement, and chemical industry. The scale has the characteristics of high precision, good stability, simple installation, and can monitor the material flow in real time to provide accurate measurement data for the production process.
[0003] However, the pull type belt scale of the prior art still needs to separate the power rollers on both sides when replacing the belt, then pull the belt out from one end of the power roller to replace the belt, and reassemble the power rollers after replacing the belt, which is low in efficiency. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a pull type belt scale convenient to replace belt to solve the problems in the background and overcome the technical defects.
[0005] To solve the above technical problems, the utility model adopts the technical scheme of a pull type belt scale convenient to replace belt, which comprises a belt and a transmission roller, both ends of the transmission roller are fixedly connected with roller shoulders, one of the roller shoulders is provided with an air cylinder at one end away from the transmission roller, and the other roller shoulder is provided with a servo motor at one end away from the transmission roller, the transmission roller comprises a roller static seat, a cavity, an inclined seat and a roller dynamic seat, one side of the inclined seat is fixedly connected with the roller dynamic seat, the output end of the air cylinder is fixedly connected with an extension shaft, and the extension shaft is movably connected with the inclined seat.
[0006] As a further scheme of the utility model, the pull type belt scale convenient to replace belt is provided with an inclined angle on one side of the roller shoulder, which facilitates the sliding removal of the belt.
[0007] As a further scheme of the utility model, the pull type belt scale convenient to replace belt further comprises a support and a transition seat, and the support is fixedly connected with the roller shoulder through the transition seat.
[0008] As a further scheme of the utility model, the pull type belt scale convenient to replace belt is provided with an insertion cavity on one side of the roller static seat, and the roller shoulder is fixedly connected with an expansion disc at one end away from the transition seat, and the expansion disc is movably expanded with the insertion cavity.
[0009] As a further scheme of the present utility model: a pull type belt scale convenient for belt replacement, the inside of the roller static seat is provided with a movable groove, and the cavity is communicated with the movable groove.
[0010] As a further scheme of the present utility model: a pull type belt scale convenient for belt replacement, the outer periphery of the oblique angle and the roller shoulder is polished.
[0011] As a further scheme of the present utility model: a pull type belt scale convenient for belt replacement, one end of the protruding shaft is fixedly connected with a hemispherical head, and the hemispherical head is matched with the oblique side of the inclined seat.
[0012] As a further scheme of the present utility model: a pull type belt scale convenient for belt replacement, the surface of the hemispherical head and the inclined seat is treated by chromium plating to enhance hardness.
[0013] Compared with the prior art, the present utility model has the beneficial effects including:
[0014] Since the two ends of the transmission roller are fixedly connected with the roller shoulder, one end of the roller shoulder away from the transmission roller is provided with a pneumatic cylinder, and the other end of the roller shoulder away from the transmission roller is provided with a servo motor, one side of the inclined seat is fixedly connected with the roller moving seat, the output end of the pneumatic cylinder is fixedly connected with a protruding shaft, the protruding shaft is movably connected with the inclined seat, and one end of the protruding shaft is fixedly connected with a hemispherical head, and one side of the roller shoulder is provided with an oblique angle, which facilitates the sliding removal of the belt, so that the protruding shaft moves to lift the inclined seat, the inclined seat lifts the roller moving seat, the roller moving seat lifts the belt, the belt can be slid out from the oblique angle and removed, and it is not necessary to disassemble and replace, thereby effectively improving the replacement efficiency of the belt.
[0015] Since one side of the roller static seat is provided with an insertion cavity, one end of the roller shoulder away from the transition seat is fixedly connected with an expansion disc, and the expansion disc is movably expanded with the insertion cavity, that is, the outer part of the expansion disc is provided with a ring of elastic pieces, the roller shoulder and the transmission roller can be assembled through the elastic pieces, and the maintenance operation is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0016] The disclosure of the present utility model will be described with reference to the accompanying drawings. It should be understood that the drawings are only for illustrative purposes, and are not intended to limit the scope of protection of the present utility model. In the drawings, the same reference numerals are used to refer to the same parts. Among them:
[0017] Figure 1 The schematic diagram of the overall structure according to one embodiment of the present utility model is shown schematically;
[0018] Figure 2 The cross-sectional view of the transmission roller according to one embodiment of the present utility model is shown schematically;
[0019] Figure 3 Fig. 1 schematically shows a structural schematic diagram of a transmission roller and an extension shaft according to an embodiment of the present application;
[0020] Figure 4 Fig. 2 schematically shows a schematic diagram of a roller shoulder and a connecting structure thereof according to an embodiment of the present application;
[0021] In the figure, the reference numerals are as follows: 1, a belt; 2, a transmission roller; 21, a roller static seat; 22, a cavity; 23, a movable groove; 24, an insertion cavity; 25, a slope seat; 26, a roller moving seat; 3, a support; 4, a transition seat; 5, a roller shoulder; 6, a pneumatic cylinder; 7, a servo motor; 8, an extension shaft; 9, a half-sphere head; 10, an expansion joint disc; and 11, an inclined angle. DETAILED DESCRIPTION
[0022] It is easy to understand that, according to the technical scheme of the present application, a person skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the present application. Therefore, the following specific embodiments and the accompanying drawings are only exemplary descriptions of the technical scheme of the present application, and should not be regarded as the whole or as a limitation or restriction on the technical scheme of the present application.
[0023] According to an embodiment of the present application, a belt-drawing belt scale with convenient belt replacement is shown in the accompanying drawings, which comprises a belt 1 and a transmission roller 2. Both ends of the transmission roller 2 are fixedly connected with a roller shoulder 5. One end of one of the roller shoulders 5 away from the transmission roller 2 is provided with a pneumatic cylinder 6, and one end of the other roller shoulder 5 away from the transmission roller 2 is provided with a servo motor 7. The transmission roller 2 comprises a roller static seat 21, a cavity 22, a slope seat 25 and a roller moving seat 26. One side of the slope seat 25 is fixedly connected with the roller moving seat 26. The output end of the pneumatic cylinder 6 is fixedly connected with an extension shaft 8. The extension shaft 8 is movably connected with the slope seat 25.
[0024] Because both ends of the transmission roller 2 are fixedly connected with the roller shoulder 5, one end of one of the roller shoulders 5 away from the transmission roller 2 is provided with the pneumatic cylinder 6, one end of the other roller shoulder 5 away from the transmission roller 2 is provided with the servo motor 7, one side of the slope seat 25 is fixedly connected with the roller moving seat 26, the output end of the pneumatic cylinder 6 is fixedly connected with the extension shaft 8, and one end of the extension shaft 8 is fixedly connected with the half-sphere head 9, while one side of the roller shoulder 5 is provided with the inclined angle 11. The inclined angle 11 facilitates the sliding removal of the belt 1. Therefore, the extension shaft 8 moves to lift the slope seat 25, and the slope seat 25 lifts the roller moving seat 26, so that the roller moving seat 26 lifts the belt 1, and the belt 1 can be slid out from the inclined angle 11 and removed without disassembly and replacement, effectively improving the replacement efficiency of the belt 1.
[0025] As a further scheme of the utility model: a pull type belt scale convenient to replace belt, one side of the roll shoulder 5 is provided with an inclined angle 11, the inclined angle 11 facilitates belt 1 sliding removal.
[0026] As a further scheme of the utility model: a pull type belt scale convenient to replace belt, further including support 3 and transition seat 4, support 3 is fixedly connected with roll shoulder 5 through transition seat 4.
[0027] As a further scheme of the utility model: a pull type belt scale convenient to replace belt, one side of the roll static seat 21 is provided with an insertion cavity 24, one end of the roll shoulder 5 away from transition seat 4 is fixedly connected with expansion disc 10, expansion disc 10 is movably expanded with insertion cavity 24, that is, expansion disc 10 is provided with a ring of elastic pieces outside, roll shoulder 5 and transmission roller 2 can be assembled through the elastic pieces, facilitating maintenance operation.
[0028] As a further scheme of the utility model: a pull type belt scale convenient to replace belt, the inside of roll static seat 21 is provided with movable slot 23, cavity 22 is communicated with movable slot 23.
[0029] As a further scheme of the utility model: a pull type belt scale convenient to replace belt, the periphery of inclined angle 11 and roll shoulder 5 is polished.
[0030] As a further scheme of the utility model: a pull type belt scale convenient to replace belt, one end of the protruding shaft 8 is fixedly connected with hemispherical head 9, hemispherical head 9 is matched with the inclined edge of slope seat 25.
[0031] As a further scheme of the utility model: a pull type belt scale convenient to replace belt, the surface of hemispherical head 9 and slope seat 25 is treated by chromium plating to strengthen hardness.
[0032] Working principle: since the two ends of transmission roller 2 are fixedly connected with roll shoulder 5, one end of the roll shoulder 5 away from transmission roller 2 is provided with air cylinder 6, the other end of the roll shoulder 5 away from transmission roller 2 is provided with servo motor 7, one side of slope seat 25 is fixedly connected with roll moving seat 26, the output end of air cylinder 6 is fixedly connected with protruding shaft 8, protruding shaft 8 is movably connected with slope seat 25, and one end of protruding shaft 8 is fixedly connected with hemispherical head 9, and one side of roll shoulder 5 is provided with inclined angle 11, the inclined angle 11 facilitates belt 1 sliding removal, therefore, protruding shaft 8 movably lifts slope seat 25, slope seat 25 lifts roll moving seat 26, which can make roll moving seat 26 lift belt 1, so that belt 1 can slide out from inclined angle 11 and be taken off without disassembling and replacing, effectively improving the replacement efficiency of belt 1.
[0033] Because the roller static seat 21 one side is provided with the insert cavity 24, the roller shoulder 5 is away from the transition seat 4 one end fixedly connected with the expansion joint disc 10, the expansion joint disc 10 with insert cavity 24 activity expansion joint, namely the outside of expansion joint disc 10 is provided with a circle of spring piece, can through the spring piece with transmission roller 2 the assembly of roller shoulder 5, the maintenance operation is carried out.
[0034] The technical scope of the utility model is not only limited to the content in the above description, and the skilled person in the art can make various deformations and modifications to the above embodiments without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.
Claims
1. A pull belt scale with convenient belt replacement, characterized in that, The utility model provides a belt (1) and drive roller (2), both ends of drive roller (2) are fixedly connected with the roller shoulder (5), one of roller shoulder (5) is provided with pneumatic cylinder (6) away from the one end of drive roller (2), and the other roller shoulder (5) is provided with servo motor (7) away from the one end of drive roller (2), drive roller (2) includes roller static seat (21), cavity (22), slope seat (25) and roller dynamic seat (26), one side of slope seat (25) is fixedly connected with roller dynamic seat (26), the output of pneumatic cylinder (6) is fixedly connected with the extension shaft (8), and the extension shaft (8) is movably connected with slope seat (25).
2. A drawstring belt scale with easy exchangeable belt according to claim 1, characterized in that, The side of the roller shoulder (5) is provided with an inclined angle (11), which facilitates the sliding removal of the belt (1).
3. A drawstring belt scale with easy exchangeable belt according to claim 2, characterized in that, It also includes a bracket (3) and a transition seat (4), the bracket (3) is fixedly connected with the roller shoulder (5) through the transition seat (4).
4. A drawstring belt scale with easy exchangeable belt according to claim 3, characterized in that, The side of the roller static seat (21) is provided with an insertion cavity (24), and the end of the roller shoulder (5) away from the transition seat (4) is fixedly connected with an expansion disc (10), the expansion disc (10) is movably expanded with the insertion cavity (24).
5. A draw belt scale with easy exchangeable belt according to claim 4, characterized in that The inside of the roller static seat (21) is provided with a movable groove (23), and the cavity (22) is communicated with the movable groove (23).
6. A drawstring belt scale with easy exchangeable belt according to claim 5, characterized in that, The outer periphery of the inclined angle (11) and the roller shoulder (5) is polished.
7. A drawstring belt scale with easy exchangeable belt according to claim 6, characterized in that One end of the extension shaft (8) is fixedly connected with a hemispherical head (9), and the hemispherical head (9) is matched with the inclined edge of the slope seat (25).
8. A drawstring belt scale with easy exchangeable belt according to claim 7, characterized in that, The surface of the hemispherical head (9) and the slope seat (25) is treated by chromium plating to strengthen the hardness.