Hoisting sealing type belt weigher

Abstract

The utility model discloses a hoisting sealed belt weigher, which belongs to the technical field of belt weighers, can conveniently and quickly disassemble a top cover when a conveying belt needs to be cleaned subsequently, can avoid the problems that the whole sealed belt weigher is inconvenient to disassemble and the like as much as possible, and ensures smooth proceeding of subsequent work. The hoisting sealing type belt weigher comprises a bearing box, a bearing cavity is formed in the top of the bearing box, a conveying roller is rotationally arranged in the bearing cavity, a conveying belt is installed on the conveying roller in a winding mode, weighing sensors for assisting weighing are installed at the two ends of the conveying roller, a top cover is installed on one side edge of the top of the bearing box in a hinged mode through hinges, and the top cover is connected with the bearing box through hinges. A feeding port is formed in one end of the top cover, a positioning hole is formed in the side, away from the hinge, of the top cover, a positioning cavity is formed in the side, away from the hinge, of the bearing box, and a positioning assembly is installed in the positioning cavity.

Description

Technical Field

[0001] The utility model belongs to the technical field of belt scales, and in particular relates to a hoisting sealed belt scale. Background Art

[0002] A belt scale is an instrument that automatically weighs loose materials placed on a belt and continuously passing through it. Existing belt scales are mainly composed of a frame, a roller, a transmission guide roller, a weighing belt, a weighing sensor, a driving device, and a speed measuring device. Rollers driven by a driving device are installed at both ends of the frame, and a transmission guide roller is installed on the frame between the two rollers. The transmission guide roller is installed on a weighing sensor placed on the frame, and the weighing belt is wound around the roller and the transmission guide roller.

[0003] The sealing covers of existing sealed belt scales are mostly positioned and fastened by multiple sets of bolts, and most of them are not easy to disassemble. After weighing materials with high humidity, some materials are prone to stick to the conveyor belt, which may cause inaccurate subsequent weighing, etc., and cannot meet different work requirements well. Therefore, a hoisting sealed belt scale is needed to help solve this problem. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a hoisting sealed belt scale, which can facilitate the rapid disassembly of the top cover when the conveyor belt needs to be cleaned later, and can avoid the problem of inconvenience in disassembling the entire sealed belt scale as much as possible, thereby ensuring that subsequent work can proceed smoothly.

[0006] (2) Technical solution

[0007] In order to solve the above technical problems, the utility model provides such a hoisting sealed belt scale, which comprises a receiving box, a receiving cavity is provided at the top of the receiving box, a conveying roller is rotatably arranged in the receiving cavity, a conveying belt is wound and installed on the conveying roller, weighing sensors for auxiliary weighing are installed at both ends of the conveying roller, a top cover is hingedly installed on one side of the top of the receiving box through a hinge, a feed port is provided at one end of the top cover, a positioning hole is provided on the side of the top cover away from the hinge, a positioning cavity is provided on the side of the receiving box away from the hinge, and a positioning component is installed in the positioning cavity;

[0008] The positioning assembly includes a rotating rod vertically rotatably arranged in the positioning cavity, a sliding block is sleeved and installed on the rotating rod, the sliding block and the rotating rod are threadedly matched, a sliding rod is horizontally fixed on the outer side of the sliding block, a connecting rod is sleeved and installed on the sliding rod, a positioning groove is fixed on the connecting rod, and the positioning groove is snap-fitted on the positioning hole, a second bevel gear is fixed at the bottom of the rotating rod, and a first bevel gear is rotatably embedded and installed on the receiving box, and the first bevel gear and the second bevel gear are meshed for transmission.

[0009] Furthermore, one side of the first bevel gear extends out of the receiving box, and a knob is fixed to one end of the first bevel gear extending out of the receiving box.

[0010] Furthermore, the positioning groove is T-shaped, an insertion opening for inserting the positioning groove is provided on the positioning hole, a fixing groove is provided on the receiving box at a position corresponding to the insertion opening, and the fixing groove is communicated with the insertion opening.

[0011] Furthermore, a plurality of positioning holes are equidistantly arranged on the top cover, and a plurality of positioning cavities are equidistantly arranged on the receiving box.

[0012] Furthermore, a sliding cavity is symmetrically provided at one end of the receiving box, a slider is slidably provided in the sliding cavity, a slider is rotatably provided on the conveying roller, and a tensioning assembly for assisting the position adjustment of the slider is installed in the sliding cavity.

[0013] Furthermore, the tensioning assembly includes a rotating rod rotatably arranged in a sliding cavity, the sliding block is sleeved and installed on the rotating rod, the sliding block and the rotating rod are threadedly matched, a rotating bolt is rotatably embedded and installed on the receiving box, a worm is fixed on one side of the rotating bolt, a worm wheel is fixed on one end of the rotating rod facing the worm, and the worm wheel and the worm are matched for transmission.

[0014] Furthermore, a pointer is protrudingly provided at the bottom of the sliding block, and a scale plate is horizontally embedded and installed in the corresponding sliding cavity on the receiving box, and the scale plate and the pointer cooperate in pointing.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model is to insert and install the positioning slot at the insertion port of the positioning hole through the top cover hingedly installed at the top of the receiving box and the cooperation between the positioning hole and the positioning component, turn the knob, the knob drives the first bevel gear to rotate as a whole, the first bevel gear and the second bevel gear are meshed and transmitted, so that the second bevel gear rotates as a whole, the second bevel gear drives the rotating rod to rotate as a whole, the sliding block and the rotating rod are threadedly cooperated, so that the sliding block is lowered as a whole, and the sliding rod is driven to lower as a whole during the sliding block is lowered, and the connecting rod is driven to lower as a whole during the sliding rod is lowered, and the positioning slot is driven to lower as a whole during the connecting rod is lowered, so that the positioning slot is stably connected and installed on the positioning hole, thereby completing the overall fixing of the receiving box and the top cover, and at the same time, when the conveyor belt needs to be cleaned later, the top cover can be conveniently disassembled quickly, and the problem of inconvenience in disassembling the sealed belt scale as a whole can be avoided as much as possible, ensuring that the subsequent work can be carried out smoothly;

[0018] The utility model cooperates between the provided slider and the tensioning assembly, and the bolt is rotated forward, and the rotating bolt drives the worm to rotate as a whole. The worm wheel and the worm are transmitted in cooperation, so that the worm wheel rotates as a whole. The rotation of the worm wheel drives the rotating rod to rotate as a whole, so that the position of the slider is adjusted. In the process of adjusting the slider, the overall position of the conveying roller is also adjusted, so as to adjust the overall tension of the conveyor belt. The overall tightness of the conveyor belt can be adjusted according to different work requirements, and the situation that the conveyor belt is too loose or too tight to affect the weighing and conveying effect can be avoided as much as possible.

[0019] The utility model can effectively judge the overall position of the slider after adjustment during operation through the cooperation between the scale plate and the pointer, so as to effectively determine the overall position of the slider. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 3 It is a longitudinal cross-sectional view of the receiving box of the utility model corresponding to the tensioning component;

[0024] Figure 4 It is a longitudinal sectional view of the receiving box of the utility model corresponding to the positioning component.

[0025] The markings in the accompanying drawings are: 1. receiving box; 2. top cover; 3. feed port; 4. conveyor roller; 5. conveyor belt; 6. base frame; 7. positioning hole; 8. positioning assembly; 9. connecting rod; 10. positioning groove; 11. sliding block; 111. sliding rod; 12. first bevel gear; 13. second bevel gear; 14. rotating rod; 15. tensioning assembly; 16. slider; 17. rotating rod; 171. worm gear; 18. rotating bolt; 181. worm; 19. scale plate; 20. pointer. DETAILED DESCRIPTION

[0026] 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.

[0027] This specific implementation is a hanging sealed belt scale, such as Figure 1 , Figure 2 and Figure 3 As shown, the hoisting sealed belt scale includes a receiving box 1, a bottom frame 6 is fixed at the bottom of the receiving box 1, a receiving cavity is opened at the top of the receiving box 1, a conveying roller 4 is rotatably arranged in the receiving cavity, a conveying motor for driving the conveying roller 4 to rotate is installed on one side of the receiving box 1, a conveying belt 5 is wound around the conveying roller 4, and weighing sensors for auxiliary weighing are installed at both ends of the conveying roller 4, a top cover 2 is hingedly installed on one side of the top of the receiving box 1 through a hinge, a feed port 3 is opened at one end of the top cover 2, and a sliding cavity is symmetrically opened at one end of the receiving box 1, and a sliding cavity in the sliding cavity A slider 16 is rotatably provided on the conveying roller 4, and a tensioning assembly 15 for assisting the position adjustment of the slider 16 is installed in the sliding cavity. The tensioning assembly 15 includes a rotating rod 17 rotatably provided in the sliding cavity, the slider 16 is sleeved and installed on the rotating rod 17, and the slider 16 and the rotating rod 17 are threadedly matched. A rotating bolt 18 is rotatably embedded and installed on the receiving box 1, a worm 181 is fixed on one side of the rotating bolt 18, and a worm wheel 171 is fixed on the end of the rotating rod 17 facing the worm 181, and the worm wheel 171 and the worm 181 cooperate for transmission.

[0028] By cooperating between the provided slider 16 and the tensioning assembly 15, etc., the bolt 18 is rotated forward, and the rotating bolt 18 drives the worm 181 to rotate as a whole. The worm wheel 171 and the worm 181 cooperate with each other to rotate the worm wheel 171 as a whole. During the rotation of the worm wheel 171, the rotating rod 17 is driven to rotate as a whole, so that the position of the slider 16 is adjusted. During the adjustment of the slider 16, the overall position of the conveying roller 4 is driven to adjust, so as to adjust the overall tension of the conveyor belt 5. The overall tightness of the conveyor belt 5 can be adjusted according to different work requirements, and the situation that the conveyor belt 5 is too loose or too tight to affect the weighing and conveying effect can be avoided as much as possible.

[0029] A pointer 20 is protrudingly provided at the bottom of the slider 16, and a scale plate 19 is horizontally embedded in the corresponding sliding cavity on the receiving box 1. The scale plate 19 and the pointer 20 cooperate with each other in pointing. Through the cooperation between the scale plate 19 and the pointer 20, the overall position of the slider 16 after adjustment can be effectively judged and the overall position of the slider 16 can be effectively determined during work.

[0030] like Figure 1 , Figure 2 and Figure 4 As shown, a positioning hole 7 is provided on the side of the top cover 2 away from the hinge, and a positioning cavity is provided on the side of the receiving box 1 away from the hinge, and a positioning assembly 8 is installed in the positioning cavity. The positioning assembly 8 includes a rotating rod 14 vertically rotatably arranged in the positioning cavity, a sliding block 11 is sleeved and installed on the rotating rod 14, and the sliding block 11 and the rotating rod 14 are threadedly matched. A sliding rod 111 is horizontally fixed on the outer side of the sliding block 11, and a connecting rod 9 is sleeved and installed on the sliding rod 111. A positioning groove 10 is fixed on the connecting rod 9, and the positioning groove 10 is snap-fitted on the positioning hole 7, and a second bevel gear 13 is fixed at the bottom of the rotating rod 14, and a first bevel gear 12 is rotatably embedded and installed on the receiving box 1, and one side edge of the first bevel gear 12 extends out of the receiving box 1, and a knob is fixed on one end of the first bevel gear 12 extending out of the receiving box 1, and the first bevel gear 12 and the second bevel gear 13 are meshed and transmitted.

[0031] By the top cover 2 hingedly installed at the top of the receiving box 1 and the cooperation between the positioning hole 7 and the positioning assembly 8, the positioning groove 10 is plugged and installed at the insertion port of the positioning hole 7, and the knob is turned. The knob drives the first bevel gear 12 to rotate as a whole, and the first bevel gear 12 and the second bevel gear 13 are meshed and transmitted, so that the second bevel gear 13 rotates as a whole, and the second bevel gear 13 drives the rotating rod 14 to rotate as a whole. The sliding block 11 and the rotating rod 14 are threadedly matched, so that the sliding block 11 is lowered as a whole, and the sliding rod 111 is driven to descend as a whole during the descending process of the sliding block 11, and the connecting rod 9 is driven to descend as a whole during the descending process of the sliding rod 111, and the positioning groove 10 is driven to descend as a whole during the descending process of the connecting rod 9, so that the positioning groove 10 is stably clamped and installed on the positioning hole 7, thereby completing the overall fixing process of the receiving box 1 and the top cover 2, and at the same time, when the conveyor belt 5 needs to be cleaned later, the top cover 2 can be conveniently disassembled quickly, and the problems of inconvenience in disassembling the sealed belt scale as a whole can be avoided as much as possible, so as to ensure that the subsequent work can be carried out smoothly.

[0032] The above-mentioned positioning groove 10 is T-shaped, and an insertion port for inserting the positioning groove 10 is opened on the positioning hole 7, and a fixing groove is opened at the corresponding insertion port on the receiving box 1, and the fixing groove is connected with the insertion port. There are several positioning holes 7 equidistantly arranged on the top cover 2, and there are several positioning cavities equidistantly arranged on the receiving box 1.

[0033] By providing a plurality of positioning holes 7 and a plurality of positioning cavities, it can be ensured that each position of the connection between the receiving box 1 and the top cover 2 can be effectively tightened and fixed during operation.

[0034] Working principle:

[0035] When the top cover 2 needs to be installed, cover the top cover 2 on the top of the receiving box 1, insert the positioning groove 10 at the insertion port of the positioning hole 7, turn the knob forward, the knob drives the first bevel gear 12 to rotate as a whole, the first bevel gear 12 and the second bevel gear 13 are meshed and transmitted, so that the second bevel gear 13 rotates as a whole, the second bevel gear 13 drives the rotating rod 14 to rotate as a whole, the sliding block 11 and the rotating rod 14 are threadedly matched, so that the sliding block 11 is lowered as a whole, and the sliding rod 111 is driven to descend as a whole during the descending process of the sliding block 11, and the connecting rod 9 is driven to descend as a whole during the descending process of the sliding rod 111, and the positioning groove 10 is driven to descend as a whole during the descending process of the connecting rod 9, so that the positioning groove 10 is stably clamped and installed on the positioning hole 7, thereby completing the overall fixing process of the receiving box 1 and the top cover 2.

[0036] During operation, when it is necessary to adjust the overall tension of the conveyor belt 5, the bolt 18 is rotated forward, and the bolt 18 drives the worm 181 to rotate as a whole. The worm wheel 171 and the worm 181 cooperate with each other to rotate the worm wheel 171 as a whole. During the rotation of the worm wheel 171, the rotating rod 17 is driven to rotate as a whole, thereby adjusting the position of the slider 16. During the adjustment of the slider 16, the overall position of the conveyor roller 4 is driven to adjust, thereby adjusting the overall tension of the conveyor belt 5.

[0037] When weighing is required, the material to be weighed is dropped into the conveyor belt 5 through the feed port 3 , and the weighing sensors arranged at both ends of the conveyor roller 4 are used to achieve the overall weighing of the material.

[0038] All technical features in this embodiment can be freely combined according to actual needs.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 hanging sealed belt scale, comprising a receiving box (1), characterized in that: A receiving cavity is provided at the top of the receiving box (1), a conveying roller (4) is rotatably arranged in the receiving cavity, a conveying belt (5) is wound around the conveying roller (4), and weighing sensors for auxiliary weighing are installed at both ends of the conveying roller (4); a top cover (2) is hingedly installed on one side of the top of the receiving box (1) through a hinge, a feed port (3) is provided at one end of the top cover (2), a positioning hole (7) is provided on the side of the top cover (2) away from the hinge, and a positioning cavity is provided on the side of the receiving box (1) away from the hinge, and a positioning component (8) is installed in the positioning cavity; The positioning assembly (8) comprises a rotating rod (14) which is vertically rotatably arranged in the positioning cavity, a sliding block (11) is sleeved and installed on the rotating rod (14), the sliding block (11) and the rotating rod (14) are threadedly matched, a sliding rod (111) is horizontally fixed on the outer side of the sliding block (11), a connecting rod (9) is sleeved and installed on the sliding rod (111), a positioning groove (10) is fixed on the connecting rod (9), and the positioning groove (10) is snap-fitted on the positioning hole (7), a second bevel gear (13) is fixed at the bottom of the rotating rod (14), a first bevel gear (12) is rotatably embedded and installed on the receiving box (1), and the first bevel gear (12) and the second bevel gear (13) are meshed and transmitted.

2. A hanging sealed belt scale according to claim 1, characterized in that: One side of the first bevel gear (12) extends out of the receiving box (1), and a knob is fixed to one end of the first bevel gear (12) extending out of the receiving box (1).

3. A hanging sealed belt scale according to claim 2, characterized in that: The positioning groove (10) is T-shaped, the positioning hole (7) is provided with an insertion opening for the positioning groove (10) to be inserted, and the receiving box (1) is provided with a fixing groove corresponding to the insertion opening, and the fixing groove is communicated with the insertion opening.

4. A hanging sealed belt scale according to claim 3, characterized in that: A plurality of positioning holes (7) are arranged at equal distances on the top cover (2), and a plurality of positioning cavities are arranged at equal distances on the receiving box (1).

5. A hanging sealed belt scale according to claim 1, characterized in that: A sliding cavity is symmetrically provided at one end of the receiving box (1), a slider (16) is slidably arranged in the sliding cavity, a slider (16) is rotatably arranged on the conveying roller (4), and a tensioning component (15) for assisting the position adjustment of the slider (16) is installed in the sliding cavity.

6. A hanging sealed belt scale according to claim 5, characterized in that: The tensioning assembly (15) includes a rotating rod (17) rotatably arranged in a sliding cavity, the sliding block (16) is sleeved and installed on the rotating rod (17), the sliding block (16) and the rotating rod (17) are threadedly matched, a rotating bolt (18) is rotatably embedded and installed on the receiving box (1), a worm (181) is fixed on one side of the rotating bolt (18), a worm wheel (171) is fixed on one end of the rotating rod (17) facing the worm wheel (181), and the worm wheel (171) and the worm wheel (171) are matched and transmitted with each other.

7. A hanging sealed belt scale according to claim 5, characterized in that: A pointer (20) is protrudingly provided at the bottom of the sliding block (16), and a scale plate (19) is horizontally embedded and installed in the corresponding sliding cavity on the receiving box (1), and the scale plate (19) and the pointer (20) cooperate in pointing.

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