CN116576947A - Electronic belt scale deflection type belt tensioning device and method - Google Patents

Electronic belt scale deflection type belt tensioning device and method Download PDF

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Publication number
CN116576947A
CN116576947A CN202310684012.XA CN202310684012A CN116576947A CN 116576947 A CN116576947 A CN 116576947A CN 202310684012 A CN202310684012 A CN 202310684012A CN 116576947 A CN116576947 A CN 116576947A
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CN
China
Prior art keywords
belt
straight rod
rod
frame
electronic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310684012.XA
Other languages
Chinese (zh)
Inventor
吴先锋
王静
李兴堂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Sanon Sci Tech Co ltd
Original Assignee
Xuzhou Sanon Sci Tech Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Sanon Sci Tech Co ltd filed Critical Xuzhou Sanon Sci Tech Co ltd
Priority to CN202310684012.XA priority Critical patent/CN116576947A/en
Publication of CN116576947A publication Critical patent/CN116576947A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/44—Belt or chain tensioning arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/02—Belt- or chain-engaging elements
    • B65G23/04—Drums, rollers, or wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/22—Arrangements or mountings of driving motors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
    • G01G11/003—Details; specially adapted accessories
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G21/00—Details of weighing apparatus
    • G01G21/22—Weigh pans or other weighing receptacles; Weighing platforms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

The application discloses a deflection type belt tensioning device and a method of an electronic belt scale, which relate to the technical field of electronic belt scales and comprise the following steps: the first straight rod is rotatably connected to the side wall of the frame; the rack is arranged on the first straight rod in a sliding manner along the axial direction of the first straight rod; and the tensioning wheel is rotationally connected to the rack. According to the deflection type belt tensioning device and method for the electronic belt scale, the first straight rod is driven to swing by the first transmission assembly, the rack is driven to slide along the axial direction of the first straight rod by the second transmission assembly, and when the belt is deflected in the running process, the belt can be rapidly braked by limiting the rotation of the driven roller by utilizing the cooperation between the brake assembly and the driven roller, and the belt can be rapidly braked, so that the deviation of the conveying direction of materials caused by the deflection of the belt can be avoided as much as possible.

Description

Electronic belt scale deflection type belt tensioning device and method
Technical Field
The application relates to the technical field of electronic belt scales, in particular to a deflection type belt tensioning device and method of an electronic belt scale.
Background
The weight frame structure of the electronic belt scale bearing device mainly comprises 4 kinds of double-lever multi-roller type, single-roller type, cantilever type and suspension type. The electronic belt balance with double levers and multiple carrier rollers and the suspended type scale frame has longer metering section, generally 2-8 groups of carrier rollers, high metering accuracy and suitability for places with larger flow and high requirement on metering accuracy. The belt speed of the Shan Tuogun and cantilever type electronic belt balance can be determined by a manufacturer, and the electronic belt balance is suitable for places with smaller flow or places for controlling flow ingredients.
For example, the Chinese patent with the name of CN101726347B entitled "electronic belt balance deflection type belt tensioning device" comprises a tensioning frame which is spanned at two ends of a driven roller of the electronic belt balance and is positioned between an upper belt and a lower belt, a side plate of a machine body which is symmetrically arranged at two outer sides of the tensioning frame, and a connecting rod mechanism which is arranged on the side plate of the machine body, wherein the connecting rod mechanism is formed by sequentially connecting a base, a first connecting rod, a second connecting rod and a deflection plate, the base is fixed on the side plate of the machine body, the first connecting rod is hinged with the base through a first rotating shaft, the second connecting rod is hinged with the first connecting rod through a second rotating shaft, and the deflection plate is respectively hinged with the second connecting rod through a third rotating shaft and the side plate of the machine body through a fourth rotating shaft; a fastening bolt is arranged on the deflection plate; a wrench is arranged on the second connecting rod; the deflection plate is also connected with a tensioning frame through a first bearing, and the tensioning frame is connected with a central shaft of the driven roller through a second bearing. The problem that the tensioning force can not be adjusted accurately in real time according to the tensioning or loosening of the belt and the tensioning force at each part of the cross section of the belt is not easy to adjust is solved.
The disadvantage of the above patent is that: after the electronic belt scale is used for a long time, the situation that the belt is offset is inevitably caused in the process of conveying materials due to the belt, if the offset belt is not adjusted, the situation that the conveying direction of the materials is offset in the process of conveying the materials by the belt is easily caused, and the belt is not provided with a function of stopping rapidly, so that when the belt is offset, the belt can be readjusted in position after waiting for the belt to completely stop, the belt adjustment operation is affected, and the situation that the use of the electronic belt scale is affected to a certain extent is caused.
Disclosure of Invention
The application aims to provide a deflection type belt tensioning device and method for an electronic belt scale, which are used for solving the defects in the prior art.
In order to achieve the above object, the present application provides the following technical solutions: the electronic belt scale comprises a rack, and a driving roller and a driven roller which are rotatably arranged on the rack, wherein the driving roller and the driven roller are sleeved with a belt in a sliding manner; comprising the following steps: the first straight rod is rotatably connected to the side wall of the frame; the rack is arranged on the first straight rod in a sliding manner along the axial direction of the first straight rod; the tensioning wheel is rotationally connected to the rack and is in rolling contact with the inner side of the belt to tension the belt; a first transmission assembly driven by the driving unit to swing the first straight rod; a second transmission assembly driven by the driving unit to slide the rack along the first straight rod; the brake assembly is arranged on the first straight rod, and a brake station which is in butt joint with the driven roller is arranged in the process that the brake assembly follows the swing of the first straight rod.
Further, the first transmission assembly comprises a second motor fixedly arranged on the frame, and the output end of the second motor is fixedly connected with a first belt pulley; the first transmission assembly further comprises a first rotating rod which is rotatably arranged on the frame, a second belt pulley is fixedly arranged on the peripheral surface of the first rotating rod, and the first belt pulley and the second belt pulley are in transmission connection through a first transmission belt.
Further, the second transmission assembly comprises a second rotating rod rotatably arranged on the frame, a second gear is fixedly arranged on the peripheral surface of the second rotating rod, a first gear meshed with the second gear is meshed with the peripheral surface of the first rotating rod, and a third belt pulley is fixedly arranged on the peripheral surface of the second rotating rod; the frame is also fixedly provided with a connecting seat, the connecting seat is rotationally connected with a second straight rod, the second straight rod is provided with a sliding shaft in a sliding manner, one end of the sliding shaft is fixedly provided with a fourth belt pulley, and the third belt pulley and the fourth belt pulley are in transmission connection through a second transmission belt; a sliding block is rotatably arranged on the peripheral surface of the sliding shaft, the sliding block is arranged on the second straight rod in a sliding manner, and a first elastic piece is arranged between the sliding block and the second straight rod; the sliding block is fixedly provided with a connecting frame, and a third gear meshed with the rack is arranged on the connecting frame; and a clutch assembly is arranged between the sliding block and the connecting frame.
Further, a first connecting rail is fixedly connected to the second straight rod, a first connecting sliding block is slidably arranged on the first connecting rail, a second connecting sliding block is rotatably connected to the first connecting sliding block, a second connecting rail is slidably arranged on the second connecting sliding block, and the second connecting rail is fixedly mounted on the first straight rod.
Further, the clutch assembly comprises an electric push rod fixedly mounted on the connecting frame, a connecting shaft in butt joint with the sliding shaft is rotatably arranged at the output end of the electric push rod, and the third gear is fixedly mounted on the peripheral surface of the connecting shaft.
Further, one end of the connecting shaft, which is close to the sliding shaft, is fixedly connected with a butt joint block, and one end of the sliding shaft, which is close to the connecting shaft, is provided with a butt joint groove matched with the butt joint block.
Further, the first elastic piece is a pressure spring, one end of the pressure spring is fixedly connected to the sliding block, and the other end of the pressure spring is fixedly arranged on the second straight rod through a connecting plate.
Further, the brake assembly comprises a rotating seat rotationally connected to the first straight rod, a movable plate is slidably arranged on the rotating seat, a second elastic piece is arranged between the movable plate and the rotating seat, a chuck is fixedly arranged on the movable plate, and a plurality of clamping pins are fixedly arranged on the chuck; the end face of the driven roller is fixedly connected with a butt joint disc, and a plurality of arc-shaped clamping grooves matched with the clamping pins are formed in the butt joint disc.
Further, the second elastic piece is a spring, and two ends of the spring are respectively and fixedly connected to the rotating seat and the movable plate; the rotating seat is fixedly connected with a limiting rod, the movable plate is sleeved on the limiting rod in a sliding mode, and the spring is sleeved on the limiting rod.
A method for tensioning a deflection belt of an electronic belt scale, which is used for the deflection belt tensioning device of the electronic belt scale according to any one of claims 1 to 9, and comprises the following steps: s1: starting a driving unit, wherein the driving unit drives the first straight rod to rotate to be close to the driven roller through a first transmission assembly; s2: the driving unit drives the rack to slide along the first straight rod through a second transmission assembly so as to enable the tensioning wheel to tension the belt; s3: the rotating rod drives the brake assembly to butt against the driven roller, the driving unit is closed, and the brake assembly brakes the driven roller and the belt.
In the technical scheme, the application provides the deflection type belt tensioning device of the electronic belt scale, which has the following beneficial effects: by utilizing the driving roller, the driven roller and the belt which are arranged on the frame, the effect of conveying materials by means of the electronic belt scale is achieved; by using the tension pulley, the loose belt can be tensioned.
Through utilizing first drive assembly drive first straight-bar to swing, second drive assembly drive rack slides along the axial of first straight-bar to through utilizing the cooperation between brake subassembly and the driven voller, can play when the belt takes place the skew in the operation, can be through the restriction on the driven voller pivoted, alright the effect of carrying out quick brake to the belt, and through stopping the quick of belt, still can avoid because the skew of belt as far as possible, cause the condition emergence of the direction of delivery emergence deviation of material.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present application;
FIG. 2 is a schematic diagram of the structure shown in FIG. 1A according to an embodiment of the present application;
FIG. 3 is a schematic diagram of the structure shown in FIG. 1B according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a partial structure of FIG. 1 according to an embodiment of the present application;
FIG. 5 is a schematic diagram of the structure shown in FIG. 4C according to an embodiment of the present application;
FIG. 6 is a schematic diagram of the structure shown in FIG. 4D according to an embodiment of the present application;
FIG. 7 is a schematic diagram of the structure shown in FIG. 4 at E according to an embodiment of the present application;
FIG. 8 is a schematic view of a partially disassembled structure of the second straight rod in FIG. 1 according to an embodiment of the present application;
FIG. 9 is a schematic side view of the structure of FIG. 8 according to an embodiment of the present application;
FIG. 10 is a schematic diagram of the structure shown in FIG. 9 at F according to an embodiment of the present application;
FIG. 11 is a schematic view of a brake assembly of FIG. 4 according to an embodiment of the present application;
fig. 12 is a schematic view of a portion of the first straight rod in fig. 4 according to an embodiment of the present application;
FIG. 13 is a schematic view of the partially disassembled structure of FIG. 12 according to an embodiment of the present application;
fig. 14 is a schematic diagram of the structure at G in fig. 13 according to an embodiment of the present application.
Reference numerals illustrate:
1. a frame; 2. a first motor; 3. a drive roll; 4. driven roller; 5. a belt; 601. a first rotating lever; 602. a first straight rod; 603. a guide rail; 604. a rack; 605. a tensioning wheel; 606. a second motor; 607. a first pulley; 608. a second pulley; 609. a first belt; 610. a first gear; 611. a second rotating rod; 612. a second gear; 613. a third pulley; 614. a connecting seat; 615. a second straight rod; 6151. a first connection rail; 6152. a first connecting slider; 6153. the second connecting sliding block; 6154. a second connecting rail; 616. a through hole; 617. a sliding shaft; 618. a fourth pulley; 619. a second belt; 620. a sliding block; 621. a first elastic member; 622. a connecting plate; 623. a connecting frame; 624. an electric push rod; 625. a connecting shaft; 626. a third gear; 627. a butt joint block; 628. a butt joint groove; 71. a rotating seat; 72. a movable plate; 73. a second elastic member; 74. a chuck; 75. a bayonet lock; 76. a butt joint disc; 77. an arc-shaped clamping groove; 78. and a limit rod.
Detailed Description
In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1-14, an electronic belt scale deflection type belt tensioning device provided by the embodiment of the application comprises a frame 1, a driving roller 3 and a driven roller 4 rotatably arranged on the frame 1, and a belt 5 is sleeved on the driving roller 3 and the driven roller 4 in a sliding manner; comprising the following steps: a first straight bar 602 rotatably connected to a side wall of the frame 1; a rack 604 slidably disposed on the first straight rod 602 along an axial direction of the first straight rod 602; a tensioning wheel 605 rotatably connected to the rack 604, which is rolling-abutted against the inner side of the belt 5 to tension the belt 5; a first transmission assembly driven by the driving unit to swing the first straight bar 602; a second transmission assembly driven by the driving unit to slide the rack 604 along the first straight bar 602; the brake assembly is arranged on the first straight rod 602, and a brake station which is in butt joint with the driven roller 4 is arranged in the process that the brake assembly follows the swing of the first straight rod 602.
Specifically, a first motor 2 is fixedly arranged on the frame 1, and a driving roller 3 is fixedly arranged at the output end of the first motor 2; by using the first motor 2, the driving roller 3 can rotate under the action of the first motor 2, and at the moment, the belt 5 can slide on the driving roller 3 and the driven roller 4 through the mutual matching between the driving roller 3 and the driven roller 4, so that the material can be conveyed.
Specifically, a guide rail 603 is fixedly installed on the first straight rod 602, and a rack 604 is slidably connected to the guide rail 603; by using the guide rail 603 on the first straight bar 602, there is an effect that the sliding direction of the rack 604 and the maximum slidable distance of the rack 604 can be restricted.
In the technical scheme, the deflection type belt tensioning device of the electronic belt scale has the advantage that the driving roller 3, the driven roller 4 and the belt 5 which are arranged on the frame 1 are utilized, so that the effect of conveying materials by means of the electronic belt scale is achieved; by using the tension pulley 605, the slack belt 5 can be tensioned; through utilizing first drive assembly drive first straight-bar 602 to swing, second drive assembly drive rack 604 slides along the axial of first straight-bar 602 to through utilizing the cooperation between brake subassembly and the driven voller 4, can play when belt 5 takes place the skew in the operation, can be through the restriction on the rotation of driven voller 4, alright the effect to carry out quick brake to belt 5, and through stopping to belt 5's quick brake, can also avoid because the skew of belt 5 as far as possible, cause the condition emergence of the direction of delivery of material to take place the deviation.
As a preferred technical solution of the present embodiment, the first transmission assembly includes a second motor 606 fixedly mounted on the frame 1, and an output end of the second motor 606 is fixedly connected with a first belt pulley 607; the first transmission assembly further comprises a first rotating rod 601 rotatably arranged on the frame 1, the first straight rod 602 is fixedly arranged on the end face of the first rotating rod 601, a second belt pulley 608 is fixedly arranged on the peripheral face of the first rotating rod 601, and the first belt pulley 607 and the second belt pulley 608 are in transmission connection through a first transmission belt 609.
In the above technical solution, by using the second motor 606, the first pulley 607 can rotate under the action of the second motor 606, and by using the first pulley 607, the second pulley 608 and the first transmission belt 609, the first rotating rod 601 can rotate under the transmission of the second pulley 608, and then the first rotating rod 602 can swing under the driving of the first rotation.
As a preferred technical solution of the present embodiment, the second transmission assembly includes a second rotating rod 611 rotatably disposed on the frame 1, a second gear 612 is fixedly mounted on the peripheral surface of the second rotating rod 611, a first gear 610 meshed with the second gear 612 is meshed with the peripheral surface of the first rotating rod 601, and a third belt pulley 613 is fixedly mounted on the peripheral surface of the second rotating rod 611; the frame 1 is also fixedly provided with a connecting seat 614, the connecting seat 614 is rotationally connected with a second straight rod 615, the second straight rod 615 is provided with a sliding shaft 617 in a sliding way, the sliding shaft 617 is fixedly provided with a fourth belt pulley 618 at one end of the sliding shaft 617, and the third belt pulley 613 and the fourth belt pulley 618 are in transmission connection through a second transmission belt 619; the peripheral surface of the sliding shaft 617 is rotatably provided with a sliding block 620, the sliding block 620 is slidably arranged on the second straight rod 615, and a first elastic piece 621 is arranged between the sliding block 620 and the second straight rod 615; the sliding block 620 is fixedly provided with a connecting frame 623, and the connecting frame 623 is provided with a third gear 626 meshed with the rack 604; a clutch assembly is provided between the slider 620 and the connection frame 623.
Specifically, the second straight rod 615 is provided with a through hole 616, and the sliding shaft 617 is movably arranged in the through hole 616; by using the through hole 616 formed in the second straight rod 615, the sliding direction of the sliding shaft 617 can be restricted.
In the above technical solution, the first rotating rod 601 swings under the action of the first transmission component, and by using the first gear 610 on the first rotating rod 601 and the second gear 612 on the second rotating rod 611 to mutually cooperate, the second rotating rod 611 is driven to rotate (it is worth mentioning that the number of teeth of the first gear 610 and the number of teeth of the second gear 612 have a certain number difference, so that the first gear 610 rotates by a certain angle and the second gear 612 can rotate by a plurality of circles under the driving of the first gear 610), while the first straight rod 602 swings, the second straight rod 615 on the connecting seat 614 swings under the action of the first straight rod 602, while the second straight rod 615 swings, the sliding shaft 617 can slide along the length direction of the second straight rod 615, in the whole sliding process of the sliding shaft 617, the sliding shaft 617 can rotate under the action of the third belt pulley 613, the fourth belt pulley 618 and the second driving belt 619, so that at the moment, the abutting shaft on the third gear 626 can be connected with the abutting shaft through the clutch assembly, when the meshing teeth of the third gear 626 and the meshing teeth of the rack 604 are meshed, the third gear 626 can rotate under the driving of sliding rotation, and the rack 604 can slide along the length direction of the first straight bar 602 through the mutual matching between the third gear 626 and the rack 604 in the swinging process of the first straight bar 602 in the direction approaching to the driven roller 4, so that in the swinging process of the first straight bar 602, the tensioning wheel 605 can be made to roll and abut against the inner side of the belt 5, so that the belt 5 is tensioned, and the effect that the rack 604 can be driven to slide along the length direction of the first straight rod 602 while the first straight rod 602 is swung is achieved,
as a preferred technical solution of the present embodiment, a first connection rail 6151 is fixedly connected to the second straight rod 615, a first connection slider 6152 is slidably disposed on the first connection rail 6151, a second connection slider 6153 is rotatably connected to the first connection slider 6152, a second connection rail 6154 is slidably disposed on the second connection slider 6153, and the second connection rail 6154 is fixedly mounted on the first straight rod 602.
In the above-mentioned technical solution, by using the first connecting slider 6152 on the first connecting rail 6151 and the second connecting slider 6153 on the second connecting rail 6154, the effect of enabling the first straight rod 602 to swing and simultaneously enabling the second straight rod 615 indirectly acting on the connecting base 614 to swing is achieved.
As a preferred technical solution of the present embodiment, the clutch assembly includes an electric push rod 624 fixedly mounted on a connecting frame 623, an output end of the electric push rod 624 is rotatably provided with a connecting shaft 625 abutting against a sliding shaft 617, and a third gear 626 is fixedly mounted on a peripheral surface of the connecting shaft 625.
In the above-mentioned technical solution, by using the clutch assembly, when the first straight bar 602 swings and the position of the rack 604 needs to be adjusted, the electric push rod 624 on the connecting frame 623 can be used to move the third gear 626 on the butt-joint shaft in a direction approaching to the rack 604 under the action of the electric push rod 624, so that the butt-joint shaft on the third gear 626 can be connected with the sliding shaft 617, and the sliding shaft 617 at this time rotates under the action of the third pulley 613, the fourth pulley 618 and the second transmission, so that after the butt-joint shaft on the third gear 626 is connected with the sliding shaft 617, the third gear 626 rotates under the action of the sliding shaft 617 at this time, and thus the rack 604 can slide along the length direction of the first straight bar 602 by using the interaction between the third gear 626 and the rack 604.
As a preferred technical solution of this embodiment, a docking block 627 is fixedly connected to an end of the connecting shaft 625, which is close to the sliding shaft 617, and a docking slot 628 adapted to the docking block 627 is formed in an end of the sliding shaft 617, which is close to the connecting shaft 625.
In the above technical solution, by using the docking block 627 on the sliding shaft 617 and the docking slot 628 on the sliding shaft 617, after the docking shaft moves to the designated position under the action of the electric push rod 624, the docking block 627 on the docking shaft is snapped into the docking slot 628 formed on the sliding shaft 617, so that the sliding shaft 617 rotates while the docking block 627 abuts against, and the docking shaft on the third gear 626 can rotate along with the sliding shaft 617.
As a preferred solution of this embodiment, the first elastic element 621 is a compression spring, one end of which is fixedly connected to the sliding block 620, and the other end of which is fixedly disposed on the second straight rod 615 through the connecting plate 622.
In the above technical solution, by using the compression spring, when the first straight rod 602 swings downward, the sliding block 620 on the second straight rod 615 can slide along the length direction of the second straight rod 615 in a direction away from the connecting seat 614, and at this time, the compression spring is compressed by the compression spring by the sliding block 620; while the first straight rod 602 swings upwards, the sliding block 620 on the second straight rod 615 can slide reversely along the length direction of the second straight rod 615 under the action of the spring force of the pressure spring, so that the third gear 626 can be meshed with the rack 604 no matter how the first straight rod 602 and the second straight rod 615 swing,
as a preferred technical scheme of the embodiment, the brake assembly comprises a rotating seat 71 rotatably connected to a first straight rod 602, a movable plate 72 is slidably arranged on the rotating seat 71, a second elastic member 73 is arranged between the movable plate 72 and the rotating seat 71, a chuck 74 is fixedly arranged on the movable plate 72, and a plurality of clamping pins 75 are fixedly arranged on the chuck 74; the end face of the driven roller 4 is fixedly connected with a butt joint disc 76, and a plurality of arc-shaped clamping grooves 77 matched with the clamping pins 75 are formed in the butt joint disc 76.
Specifically, the chuck 74 and the docking plate 76 are chamfered on the sides thereof that are adjacent to each other.
In the above technical solution, when the first straight bar 602 swings upward, and the chuck 74 is in contact with the docking plate 76, the chuck 74 can slide under the pressing of the docking plate 76 by using the chuck 74 and the chamfer on the docking plate 76, and when the first straight bar 602 rotates to a proper position, the chuck 74 can dock with the docking plate 76 by using the second elastic member 73, so that the plurality of detents 75 provided on the chuck 74 can be inserted into corresponding arc-shaped detents 77 provided on the docking plate 76, and by using the interaction between the detents 75 and the arc-shaped detents 77, the effect of restricting the rotation of the driven roller 4 can be achieved.
As a preferred technical solution of this embodiment, the second elastic member 73 is a spring, and two ends of the spring are fixedly connected to the rotating seat 71 and the movable plate 72 respectively; the rotating seat 71 is fixedly connected with a limiting rod 78, the movable plate 72 is slidably sleeved on the limiting rod 78, and the spring is sleeved on the limiting rod 78.
In the present embodiment, by using a spring, after the first straight rod 602 rotates to a proper position, by using the elastic force of the spring, the chuck 74 can be clamped into the docking plate 76 under the action of the elastic force of the spring, so that the driven roller 4 can be rapidly braked; by using the stopper rod 78, the sliding direction of the chuck 74 can be restricted.
The application also provides a deflection type belt tensioning method of the electronic belt scale, which is used for the deflection type belt tensioning device of the electronic belt scale according to any one of claims 1 to 9, and comprises the following steps: s1: starting a driving unit, wherein the driving unit drives the first straight rod 602 to rotate to be close to the driven roller 4 through a first transmission assembly; s2: the driving unit drives the rack 604 to slide along the first straight rod 602 through the second transmission assembly so that the tensioning wheel 605 tensions the belt 5; s3: the rotating rod drives the brake assembly to butt against the driven roller 4, the driving unit is closed, and the brake assembly brakes the driven roller 4 and the belt 5.
Working principle: by utilizing the first motor 2, the first motor 2 on the frame 1 rotates forward, so that the first rotating rod 601 can rotate forward under the action of the first belt pulley 607, the second belt pulley 608 and the first transmission belt 609, the first straight rod 602 can swing downwards under the action of the first rotating rod 601, the tensioning wheel 605 on the rack 604 can swing downwards under the action of the first straight rod 602, in the whole downward swinging process, the third gear 626 is always separated from the rack 604 under the action of the clutch assembly, at the moment, the third gear 626 is not meshed with the rack 604, so that the rack 604 does not slide relative to the first straight rod 602 in the whole downward swinging process, and further, after the belt 5 is used for a long time, the belt 605 can be tensioned by swinging the rack 604 without stopping the electronic belt balance, and the tensioning wheel 605 can be in rolling contact with the inner side of the belt 5.
When the belt 5 is used for a long time, the belt 5 is inevitably offset, and at this time, in order to avoid the situation that the material on the belt 5 is conveyed to affect because of the offset of the belt 5 as much as possible, therefore, the belt 5 needs to be rapidly and suddenly stopped, when the belt 5 needs to be rapidly and rapidly stopped, the first motor 2 on the frame 1 is caused to rotate reversely by using the first motor 2, so that the first rotating rod 601 can rotate reversely under the action of the first belt pulley 607, the second belt pulley 608 and the first transmission belt 609, the first straight rod 602 can swing upwards under the action of the first belt pulley 601, and by using the mutual cooperation between the first gear 610 and the second gear 612, a certain amount of gap exists between the number of the teeth of the first gear 610 and the number of the teeth of the second gear 612, so that the first rotating rod 601 rotates a proper number of turns after rotating a certain angle range, and at this time, the second rotating rod 611 rotates under the action of the second straight rod 619 by using the third belt pulley 613, the fourth belt pulley 618 and the second straight rod 615. Before the first straight rod 602 swings upwards, the third gear 626 can slide towards the direction close to the rack 604 under the action of the electric push rod 624 by utilizing the electric push rod 624 on the connecting frame 623, so that the third gear 626 can be meshed with the rack 604, and in the process of swinging upwards, the third gear 626 on the butt joint shaft can be rotated by connecting the butt joint shaft on the third gear 626 with the sliding shaft 617, and the rack 604 can slide along the guide rail 603 on the first straight rod 602 under the action of the third gear 626, so that the gap between the first rotating rod 601 and the tensioning wheel 605 can be adjusted, and the tensioning wheel 605 can be abutted to the inner side of the conveyor in the whole process of swinging upwards, so that the belt 5 is tensioned.
When the first straight rod 602 rotates to a designated position, the chuck 74 can slide along the direction of the limit rod 78 by using the spring, so that the chuck 74 can be clamped into the docking plate 76 on the driven roller 4, a plurality of clamping pins 75 arranged on the chuck 74 can be inserted into arc-shaped clamping grooves 77 formed in corresponding positions on the docking plate 76, and the rotation of the driven roller 4 can be limited by using the mutual fit between the clamping pins 75 and the arc-shaped clamping grooves 77, so that the belt 5 can be rapidly stopped, and the belt 5 deflected on the frame 1 can be readjusted.
After the belt 5 on the frame 1 is adjusted, the first motor 2 on the frame 1 is enabled to rotate forward through the first motor 2, so that the first rotating rod 601 can rotate forward under the action of the first belt pulley 607, the second belt pulley 608 and the first transmission belt 609, the first straight rod 602 can swing downwards under the action of the first rotating rod 601, the tensioning wheel 605 on the rack 604 can swing downwards under the action of the first straight rod 602, and the first straight rod 602 can adjust the distance between the first rotating rod 601 and the tensioning wheel 605 in the downward swinging process through the mutual matching between the gear and the rack 604, so that after the first straight rod 602 swings to a proper position, the tensioning wheel 605 can abut against the inner side of the belt 5 again, and the tensioning effect of tensioning the belt 5 is achieved.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.

Claims (10)

1. The deflection type belt tensioning device of the electronic belt scale comprises a frame (1), and a driving roller (3) and a driven roller (4) which are rotatably arranged on the frame (1), wherein a belt (5) is sleeved on the driving roller (3) and the driven roller (4) in a sliding manner; characterized by comprising the following steps:
a first straight bar (602) rotatably connected to a side wall of the frame (1);
a rack (604) slidably disposed on the first straight rod (602) along the axial direction of the first straight rod (602);
a tensioning wheel (605) rotatably connected to the rack (604) and rolling against the inner side of the belt (5) to tension the belt (5);
the first transmission assembly is driven by the driving unit to enable the first straight rod (602) to swing;
a second transmission assembly driven by the driving unit to slide the rack (604) along the first straight rod (602);
the brake assembly is arranged on the first straight rod (602), and a brake station which is in butt joint with the driven roller (4) is arranged in the process that the brake assembly follows the first straight rod (602) to swing.
2. The deflection type belt tensioning device of the electronic belt scale according to claim 1, wherein the first transmission assembly comprises a second motor (606) fixedly installed on the frame (1), and the output end of the second motor (606) is fixedly connected with a first belt pulley (607);
the first transmission assembly further comprises a first rotating rod (601) rotatably arranged on the frame (1), a second belt pulley (608) is fixedly arranged on the peripheral surface of the first rotating rod (601), and the first belt pulley (607) and the second belt pulley (608) are in transmission connection through a first transmission belt (609).
3. The deflection type belt tensioning device of the electronic belt scale according to claim 2, wherein the second transmission assembly comprises a second rotating rod (611) rotatably arranged on the frame (1), a second gear (612) is fixedly arranged on the peripheral surface of the second rotating rod (611), a first gear (610) meshed with the second gear (612) is meshed with the peripheral surface of the first rotating rod (601), and a third belt pulley (613) is fixedly arranged on the peripheral surface of the second rotating rod (611);
a connecting seat (614) is fixedly arranged on the frame (1), a second straight rod (615) is rotationally connected to the connecting seat (614), a sliding shaft (617) is slidably arranged on the second straight rod (615), a fourth belt pulley (618) is fixedly arranged at one end of the sliding shaft (617), and the third belt pulley (613) and the fourth belt pulley (618) are in transmission connection through a second transmission belt (619);
a sliding block (620) is rotatably arranged on the peripheral surface of the sliding shaft (617), the sliding block (620) is slidably arranged on the second straight rod (615), and a first elastic piece (621) is arranged between the sliding block (620) and the second straight rod (615);
a connecting frame (623) is fixedly arranged on the sliding block (620), and a third gear (626) meshed with the rack (604) is arranged on the connecting frame (623);
a clutch assembly is arranged between the sliding block (620) and the connecting frame (623).
4. The deflection type belt tensioning device of the electronic belt scale according to claim 3, wherein a first connecting rail (6151) is fixedly connected to the second straight rod (615), a first connecting sliding block (6152) is slidably arranged on the first connecting rail (6151), a second connecting sliding block (6153) is rotatably connected to the first connecting sliding block (6152), a second connecting rail (6154) is slidably arranged on the second connecting sliding block (6153), and the second connecting rail (6154) is fixedly installed on the first straight rod (602).
5. A deflection type belt tensioner for an electronic belt scale according to claim 3, wherein the clutch assembly comprises an electric push rod (624) fixedly mounted on the connecting frame (623), a connecting shaft (625) abutting against the sliding shaft (617) is rotatably provided at an output end of the electric push rod (624), and the third gear (626) is fixedly mounted on a peripheral surface of the connecting shaft (625).
6. The deflection type belt tensioning device of an electronic belt scale according to claim 5, wherein a docking block (627) is fixedly connected to one end of the connecting shaft (625) close to the sliding shaft (617), and a docking groove (628) adapted to the docking block (627) is formed in one end of the sliding shaft (617) close to the connecting shaft (625).
7. A deflection type belt tensioner for an electronic belt scale according to claim 3, wherein the first elastic member (621) is a compression spring, one end of the compression spring is fixedly connected to the sliding block (620), and the other end is fixedly arranged on the second straight rod (615) through a connecting plate (622).
8. The deflection type belt tensioning device of the electronic belt scale according to claim 1, wherein the brake assembly comprises a rotating seat (71) rotatably connected to the first straight rod (602), a movable plate (72) is slidably arranged on the rotating seat (71), a second elastic piece (73) is arranged between the movable plate (72) and the rotating seat (71), a chuck (74) is fixedly arranged on the movable plate (72), and a plurality of clamping pins (75) are fixedly arranged on the chuck (74);
the end face of the driven roller (4) is fixedly connected with a butt joint disc (76), and a plurality of arc-shaped clamping grooves (77) matched with the clamping pins (75) are formed in the butt joint disc (76).
9. The deflection type belt tensioning device of the electronic belt scale according to claim 8, wherein the second elastic piece (73) is a spring, and two ends of the spring are fixedly connected to the rotating seat (71) and the movable plate (72) respectively;
the rotating seat (71) is fixedly connected with a limiting rod (78), the movable plate (72) is sleeved on the limiting rod (78) in a sliding mode, and the spring is sleeved on the limiting rod (78).
10. A method for tensioning a deflection belt of an electronic belt scale, which is used for the deflection belt tensioning device of the electronic belt scale according to any one of claims 1 to 9, and is characterized by comprising the following steps:
s1: starting a driving unit, wherein the driving unit drives the first straight rod (602) to rotate to be close to the driven roller (4) through a first transmission assembly;
s2: the driving unit drives the rack (604) to slide along the first straight rod (602) through a second transmission assembly so as to enable the tensioning wheel (605) to tension the belt (5);
s3: the rotating rod drives the brake assembly to butt against the driven roller (4), the driving unit is closed, and the brake assembly brakes the driven roller (4) and the belt (5).
CN202310684012.XA 2023-06-10 2023-06-10 Electronic belt scale deflection type belt tensioning device and method Pending CN116576947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310684012.XA CN116576947A (en) 2023-06-10 2023-06-10 Electronic belt scale deflection type belt tensioning device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310684012.XA CN116576947A (en) 2023-06-10 2023-06-10 Electronic belt scale deflection type belt tensioning device and method

Publications (1)

Publication Number Publication Date
CN116576947A true CN116576947A (en) 2023-08-11

Family

ID=87543981

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310684012.XA Pending CN116576947A (en) 2023-06-10 2023-06-10 Electronic belt scale deflection type belt tensioning device and method

Country Status (1)

Country Link
CN (1) CN116576947A (en)

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