WO2016074612A1 - 一种双称重计量料仓 - Google Patents

一种双称重计量料仓 Download PDF

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Publication number
WO2016074612A1
WO2016074612A1 PCT/CN2015/094246 CN2015094246W WO2016074612A1 WO 2016074612 A1 WO2016074612 A1 WO 2016074612A1 CN 2015094246 W CN2015094246 W CN 2015094246W WO 2016074612 A1 WO2016074612 A1 WO 2016074612A1
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WO
WIPO (PCT)
Prior art keywords
weighing
throwing
belt
silo
adjusting
Prior art date
Application number
PCT/CN2015/094246
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English (en)
French (fr)
Inventor
李茂春
沈卫新
Original Assignee
上海人造板机器厂有限公司
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Application filed by 上海人造板机器厂有限公司 filed Critical 上海人造板机器厂有限公司
Priority to EP15859536.3A priority Critical patent/EP3219650B1/en
Publication of WO2016074612A1 publication Critical patent/WO2016074612A1/zh

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    • 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
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/32—Filling devices
    • 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
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34—Emptying devices
    • B65G65/40—Devices for emptying otherwise than from the top
    • B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B27N3/14—Distributing or orienting the particles or fibres
    • B27N3/146—Controlling mat weight distribution
    • 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
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/02—Devices for feeding articles or materials to conveyors
    • B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
    • B65G47/18—Arrangements or applications of hoppers or chutes
    • B65G47/19—Arrangements or applications of hoppers or chutes having means for controlling material flow, e.g. to prevent overloading
    • 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
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
    • G01G11/08—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers having means for controlling the rate of feed or discharge
    • G01G11/12—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers having means for controlling the rate of feed or discharge by controlling the speed of the belt
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
    • G01G13/24—Weighing mechanism control arrangements for automatic feed or discharge
    • G01G13/28—Weighing mechanism control arrangements for automatic feed or discharge involving variation of an electrical variable which is used to control loading or discharge of the receptacle
    • G01G13/295—Weighing mechanism control arrangements for automatic feed or discharge involving variation of an electrical variable which is used to control loading or discharge of the receptacle for controlling automatic loading of the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N1/00—Pretreatment of moulding material
    • B27N1/02—Mixing the material with binding agent

Definitions

  • the invention relates to the technical field of particleboard manufacturing equipment, in particular to a double weighing weighing silo for particleboard production.
  • the metering silo is one of the main equipment in the particleboard production line, which is used to quantitatively and continuously feed the dried shavings into the mixer.
  • the measuring silos used in the production of particleboard are rough and simple, and cannot be quantitatively measured, which has a great influence on the subsequent mixing, which leads to the inability to accurately control the amount of glue, which often leads to uneven sizing and affects the stability of the quality of the finished chipboard. .
  • the technical problem to be solved by the invention is that the existing metering silo has a rough and simple measuring method and cannot be quantitatively measured, and affects the stability of the quality of the finished chipboard product, and now provides a continuous quantitative measurement and ensuring continuous production.
  • a double weighing weighing silo that is efficient and energy efficient and guarantees the stability of the finished product.
  • a double weighing weighing silo comprising:
  • a cartridge body disposed on the belt transport mechanism, a top of the cartridge body is disposed adjacent to a rear end of the belt transport mechanism in a transport direction, and a bottom of the cartridge body is transported along the belt a discharge port is arranged at a position of the front end of the transportation direction of the mechanism;
  • a large-range weighing mechanism mounted in the belt transport mechanism and adjacent to a position of the magazine body perpendicularly projected onto the belt transport mechanism;
  • a small-range weighing mechanism mounted in the belt transport mechanism and located behind the discharge opening of the magazine body.
  • the belt transport mechanism includes a frame, a driving roller, a driven roller, a belt, and a driving device
  • the driving roller shaft is disposed at a rear end of the frame
  • the driven A roller shaft is provided at a front end of the frame
  • the belt is wound around the driving roller and the driven roller
  • the driving device is mounted on the frame and drives the driving roller to rotate.
  • the drive means is a variable frequency drive motor.
  • the cartridge body is supported on the frame of the belt transport mechanism by a silo frame, the cartridge body is located below the feed port and is located at the large-scale weighing
  • a throwing device is disposed between the mechanism and the small-range weighing mechanism, the throwing device includes a throwing roller bracket, a plurality of throwing rollers, and a driving motor that drives the rotating of the plurality of throwing rollers, the throwing roller tray
  • the rack is obliquely disposed on the silo rack with a rear end thereof higher than a front end thereof, the plurality of throwing rollers are parallel shafts disposed on the throwing roller bracket, and the driving motor is mounted on the rack It is connected to each of the throwing rollers.
  • the axes of the plurality of throwing rolls are not in the same plane.
  • the rear end of the throwing roller bracket is hinged on the silo rack, and the front end thereof is mounted on the silo rack by a lifting regulator; the lifting regulator
  • the utility model comprises a left and right adjusting vertical plate, an adjusting horizontal plate, an adjusting mandrel, an adjusting screw and upper and lower adjusting bolts, wherein the left and right adjusting vertical plates are vertically disposed on the left and right sides of the silo rack and are low
  • the left and right adjusting vertical plates are symmetrically opened with a slanting hole, and the adjusting mandrel is disposed at the front end of the throwing roller bracket and the two ends thereof are placed at the In the inclined holes of the left and right adjusting vertical plates, the adjusting horizontal plates are disposed on the silo rack and above the left and right adjusting vertical plates, and the adjusting screw vertically passes through the adjusting horizontal plates Thereafter, the adjusting mandrel is fixedly connected, and the upper and lower
  • the large-range weighing mechanism comprises a first gauge and a pallet set, the pallet set consisting of a plurality of pallets arranged continuously along the transport direction of the belt transport mechanism, the pallet A set of plates is located below the belt and supports a portion of the belt above it, the first gauge being mounted on the frame and below the rear end of the set of pallets.
  • a flexible fulcrum for supporting the front end weight is disposed below the front end of the pallet set, and the flexible fulcrum is supported on the frame.
  • the small-range weighing mechanism includes a second weighing scale, a weighing pallet, and a pallet bracket, and the weighing pallet is mounted on the rack by a pallet bracket and located Below the belt, the second gauge is mounted on the frame and below the weighing pallet.
  • the invention can solve the accurate metering of the measuring silo, facilitate the adjustment of the feeding of the measuring silo, solve the requirement of the stable feeding in the production of the particle board, and ensure the smooth running of the subsequent mixing and paving sections.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a plan view of the present invention.
  • the left and right directions described below are transported by the belt transport mechanism 100 unless otherwise specified.
  • the left and right sides of the direction, the front and rear directions are also viewed by the transport direction of the belt transport mechanism 100.
  • the place where the line of sight is far is the front and the place where the line of sight is near is the rear.
  • a dual weighing weighing bin including a belt transport mechanism 100, a bin body 200, a large range weighing mechanism 300, and a small range weighing mechanism 400.
  • the belt transport mechanism 100 includes a frame 110, a driving roller 120, a driven roller 130, a belt 140, and a driving device 150.
  • the driving roller 120 is axially disposed at the rear end of the frame 110
  • the driven roller 130 is axially disposed at the front end of the frame 110.
  • the belt 140 is wound around the driving roller 120 and the driven roller 130.
  • the driving device 150 is mounted on the frame 110.
  • the driving device 150 preferably uses a variable frequency driving motor.
  • the driving device 150 drives the driving roller 120 to rotate, and the driving roller 120 drives the driving roller 150.
  • the belt 140 is wound around the drive roller 120 and the driven roller 130, and the speed of movement of the belt 140 can be adjusted by a variable frequency drive motor according to different production requirements.
  • the cartridge body 200 is supported by the silo rack 210 on the frame 110 of the belt transport mechanism 100.
  • the top of the cartridge body 200 is disposed adjacent to the rear end in the transport direction of the belt transport mechanism 100 with a feed port 220, the bottom of the cartridge body 200.
  • a discharge port 230 is provided at a position along the front end of the belt transport mechanism 100 in the transport direction.
  • a throwing device 240 is disposed between the large-scale weighing mechanism 300 and the small-range weighing mechanism 400, which is located below the feed port 220 and located below, and the throwing device 240 includes a throwing roller bracket 241.
  • the throwing rollers 242a, 242b, 242c, 242d and the driving motor 243 for driving the throwing rollers 242a, 242b, 242c, 242d to rotate the throwing roller bracket 241 is obliquely disposed in the silo with the rear end thereof higher than the front end thereof
  • the throwing rollers 242a, 242b, 242c, 242d are arranged in parallel on the throwing roller bracket 241
  • the driving motor 243 is mounted on the frame 110 and is drivingly coupled to the throwing rollers 242a, 242b, 242c, 242d.
  • the number of the polishing rolls here is not limited to the number in the embodiment, and the number of them is selected depending on actual production requirements.
  • the axes of the throwing rolls 242a, 242b, 242c, 242d are not in the same plane.
  • the axes of the throwing rolls 242a, 242b are on the same horizontal plane, and the height of the axis of the throwing rolls 242c is lower than the throwing rolls 242a.
  • the axial height of 242b, the height of the axial center of the throwing roller 242d is lower than the height of the axial center of the throwing roller 242c, such that the arcing rollers 242a arranged in this way,
  • the throwing effect of 242b, 242c, and 242d is better.
  • the rear end of the throwing roller bracket 241 is hinged to the silo rack 210, and its front end is mounted on the silo rack 210 by a lift regulator 500.
  • the lift regulator 500 includes left and right adjustment risers 510a, 510b, an adjustment cross plate 520, an adjustment mandrel 530, an adjustment screw 540, and upper and lower adjustment nuts 550, 560.
  • the left and right adjustment risers 510a, 510b are vertically disposed.
  • the left and right adjusting vertical plates 510a, 510b are symmetrically opened with oblique holes 510aa, 510ba, and the adjusting mandrel 530 is disposed at the throwing
  • the front end of the roller bracket 241 and its both ends are placed in the oblique holes of the left and right adjustment vertical plates 510a, 510b, and the adjustment horizontal plate 520 is disposed on the silo rack 210 and above the left and right adjustment vertical plates 510a, 510b.
  • the adjusting screw 540 is vertically connected to the adjusting mandrel 530 after passing through the adjusting cross plate 520.
  • the upper and lower adjusting nuts 550 and 560 are respectively screwed on the adjusting screw 540 and located above and below the adjusting cross plate 520.
  • the upper adjusting bolt 550 is loosened first, the throwing roller bracket 241 is naturally lowered by gravity, and then the lower adjusting bolt 560 is screwed up. can.
  • the large-range weighing mechanism 300 is mounted in the belt transport mechanism 100 and is adjacent to the position of the belt transport mechanism 100 perpendicularly to the feed port 220 of the cartridge body 200.
  • the large-scale weighing mechanism includes a first gauge 310 and a pallet set 320.
  • the pallet set 320 is composed of a plurality of pallets that are continuously arranged along the transport direction of the belt transport mechanism 100.
  • the pallet set 320 is located below the belt 140 and supported at A portion of the belt 141 above it, the first gauge 310 is mounted on the frame 110 and below the rear end of the pallet set 320.
  • a flexible fulcrum 330 is provided below the front end of the pallet set 320 for supporting the front end weight thereof.
  • the flexible fulcrum 330 is supported on the frame 110, and the flexible fulcrum 330 functions as a deformation and weighing when weighing.
  • the small range weighing mechanism 400 is mounted within the belt transport mechanism 100 and is located behind the discharge port 230 of the cartridge body 200.
  • the small-range weighing mechanism 400 includes a second gauge 410, a weighing bracket 420, and a pallet bracket 430.
  • the weighing pallet 420 is mounted on the rack 110 via the pallet bracket 430 and located on the belt 140.
  • Below the second gauge 410 is mounted on the frame 110 and below the weighing pallet 420.
  • the working principle of the double weighing weighing silo of the invention is as follows: after the shavings enter the feeding port 220 of the cartridge body 200, they are thrown off by the throwing rollers 242a, 242b, 242c, 242d and fall on the belt 140, with the throwing The rollers 242a, 242b, 242c, 242d are continuously thrown rearwardly, and the belt 140 is moved forward, and the shavings form a stacked state within the cartridge body 200 as shown by the shaving accumulation state curve 600 of FIG.
  • the large-scale weighing mechanism 300 can roughly measure the amount of shavings in the cartridge body 200, but it is affected by the installation position limitation and the rotary throwing of the throwing rollers 242a, 242b, 242c, and 242d, and the measurement result is inaccurate, and the data is available.
  • the small-range weighing mechanism 400 is installed before the throwing rollers 242a, 242b, 242c, and 242d. At this time, the material thickness is uniform, and the weight of the material thereon can be accurately measured.
  • the data can be used to adjust the speed of the belt 140 of the belt transport mechanism 100 and The height of the throwing rollers 242a, 242b, 242c, 242d is used to control the metering bin.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Sorting Of Articles (AREA)

Abstract

公开了一种双称重计量料仓，包括：皮带运输机构（100）；架设在皮带运输机构（100）上的仓体（200），仓体（200）的顶部靠近沿皮带运输机构（100）运输方向的后端的位置上设置有进料口（220），仓体（200）的底部沿皮带运输机构（100）运输方向的前端的位置上设置有出料口（230）；安装在皮带运输机构（100）内且靠近仓体（200）的进料口（220）垂直投影于皮带运输机构（100）上的位置的大量程称重机构（300）；以及安装在皮带运输机构（100）内且位于仓体（200）的出料口（230）后方的小量程称重机构（400）。该双称重计量料仓能够准确计量料仓物料，方便料仓供料调整，满足了刨花板生产中对稳定供料的要求，保证了后续拌胶、铺装工段平稳运行。

Description

一种双称重计量料仓 技术领域
本发明涉及刨花板制造设备技术领域，尤其涉及一种刨花板生产用双称重计量料仓。
背景技术
计量料仓是刨花板生产线上的主要设备之一，用于将干燥后的刨花定量、连续地送进拌胶机。目前在刨花板生产中所用的计量料仓计量方式粗糙、简单，无法定量计量，对后续的拌胶影响大，导致施胶量无法准确控制，往往导致施胶不均匀，影响刨花板成品质量的稳定性。
为此，申请人进行了有益的探索和尝试，找到了解决上述问题的办法，下面将要介绍的技术方案便是在这种背景下产生的。
发明内容
本发明所要解决的技术问题：针对现有的计量料仓的计量方式粗糙、简单且无法定量计量、影响刨花板成品质量的稳定性的问题，现提供一种能够精确定量计量、确保生产的连续、高效和节能、保证成品质量的稳定性的双称重计量料仓。
本发明所解决的技术问题可以采用以下技术方案来实现：
一种双称重计量料仓，包括：
一皮带运输机构；
一架设在所述皮带运输机构上的仓体，所述仓体的顶部靠近沿所述皮带运输机构运输方向的后端的位置上设置有一进料口，所述仓体的底部沿所述皮带运输机构运输方向的前端的位置上设置有一出料口；
一安装在所述皮带运输机构内且靠近所述仓体的进料口垂直投影于皮带运输机构上的位置的大量程称重机构；以及
一安装在所述皮带运输机构内且位于所述仓体的出料口后方的小量程称重机构。
在本发明的一个优选实施例中，所述皮带运输机构包括机架、主动辊、从动辊、皮带以及驱动装置，所述主动辊轴设在所述机架的后端，所述从动辊轴设在机架的前端，所述皮带环绕在所述主动辊和从动辊上，所述驱动装置安装在所述机架上并驱动所述主动辊转动。
在本发明的一个优选实施例中，所述驱动装置为变频驱动电机。
在本发明的一个优选实施例中，所述仓体通过料仓架支撑在所述皮带运输机构的机架上，所述仓体内位于所述进料口的下方且位于所述大量程称重机构与小量程称重机构之间设置有一抛料装置，所述抛料装置包括抛料辊托架、若干抛料辊以及驱动所述若干抛料辊转动的驱动电机，所述抛料辊托架以其后端高于其前端的方式倾斜设置在所述料仓架上，所述若干抛料辊平行轴设在所述抛料辊托架上，所述驱动电机安装在所述机架上且与每一抛料辊驱动连接。
在本发明的一个优选实施例中，所述若干抛料辊的轴心不在同一平面上。
在本发明的一个优选实施例中，所述抛料辊托架的后端铰接在所述料仓架上，其前端通过一升降调节器安装在所述料仓架上；所述升降调节器包括左、右调节竖板、调节横板、调节芯轴、调节螺杆以及上、下调节螺栓，所述左、右调节竖板竖直设置在所述料仓架的左、右侧上且低于所述抛料辊托架的后端，所述左、右调节竖板对称开设有一斜孔，所述调节芯轴设置在所述抛料辊托架的前端且其两端置于所述左、右调节竖板的斜孔中，所述调节横板设置在所述料仓架上且位于所述左、右调节竖板的上方，所述调节螺杆竖直穿过所述调节横板后与所述调节芯轴固定连接，所述上、下调节螺栓分别旋设于所述调节螺杆上并位于所述调节横板的上、下方。
在本发明的一个优选实施中，所述大量程称重机构包括第一计量称以及托板组，所述托板组由若干沿皮带运输机构的运输方向连续排列的托板组成，所述托板组位于所述皮带的下方并支撑位于其上方的部分皮带，所述第一计量称安装在所述机架上且位于所述托板组的后端的下方。
在本发明的一个优选实施例中，所述托板组的前端的下方设置有一用以支撑其前端重量的柔性支点，该柔性支点支撑于所述机架上。
在本实施新型的一个优选实施例中，所述小量程称重机构包括第二计量称、称重托板以及托板支架，所述称重托板通过托板支架安装在所述机架上且位于所述皮带的下方，所述第二计量称安装在所述机架上且位于所述称重托板的下方。
本发明能够解决计量料仓准确计量，方便计量料仓供料调整，解决了刨花板生产中对稳定供料的要求，保证了后续拌胶、铺装工段平稳运行。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明的结构示意图。
图2是本发明的俯视图。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体图示，进一步阐述本发明。
下面描述的左、右方向除非有特别的说明，是由皮带运输机构100的运输 方向看的左、右两侧，前、后方向也是由皮带运输机构100的运输方向看，视线远的地方为前，视线近的地方为后。
参见图1和图2，图中给出的一种双称重计量料仓，包括皮带运输机构100、仓体200、大量程称重机构300以及小量程称重机构400。
皮带运输机构100包括机架110、主动辊120、从动辊130、皮带140以及驱动装置150，主动辊120轴设在机架110的后端，从动辊130轴设在机架110的前端，皮带140环绕在主动辊120和从动辊130上，驱动装置150安装在机架110上，该驱动装置150优选地择用变频驱动电机，驱动装置150驱动主动辊120转动，主动辊120带动皮带140绕着主动辊120和从动辊130卷绕运动，并且皮带140的运动速度可以根据不同的生产要求通过变频驱动电机进行调节。
仓体200通过料仓架210支撑在皮带运输机构100的机架110上，仓体200的顶部靠近沿皮带运输机构100运输方向的后端的位置上设置有一进料口220，仓体200的底部沿皮带运输机构100运输方向的前端的位置上设置有一出料口230。仓体200内位于进料口220的下方且位于下面将要介绍的大量程称重机构300与小量程称重机构400之间设置有一抛料装置240，抛料装置240包括抛料辊托架241、抛料辊242a、242b、242c、242d以及驱动抛料辊242a、242b、242c、242d转动的驱动电机243，抛料辊托架241以其后端高于其前端的方式倾斜设置在料仓架210上，抛料辊242a、242b、242c、242d平行轴设在抛料辊托架241上，驱动电机243安装在机架110上且与抛料辊242a、242b、242c、242d驱动连接。这里的抛料辊的数量并不局限于本实施例中的数量，其数量的选择根据实际生产需求而定。抛料辊242a、242b、242c、242d的轴心不在同一平面上，优选地，抛料辊242a、242b的轴心位于同一水平面上，抛料辊242c的轴心的高度低于抛料辊242a、242b的轴心高度，抛料辊242d的轴心的高度低于抛料辊242c的轴心的高度，这样排列设置的抛料辊242a、 242b、242c、242d的抛料效果较好。
抛料辊托架241的后端铰接在料仓架210上，其前端通过一升降调节器500安装在料仓架210上。升降调节器500包括左、右调节竖板510a、510b、调节横板520、调节芯轴530、调节螺杆540以及上、下调节螺母550、560，左、右调节竖板510a、510b竖直设置在料仓架210的左、右侧上且低于抛料辊托架241的后端，左、右调节竖板510a、510b对称开设有一斜孔510aa、510ba，调节芯轴530设置在抛料辊托架241的前端且其两端置于左、右调节竖板510a、510b的斜孔中，调节横板520设置在料仓架210上且位于左、右调节竖板510a、510b的上方，调节螺杆540竖直穿过调节横板520后与调节芯轴530固定连接，上、下调节螺母550、560分别旋设于调节螺杆540上并位于调节横板520的上、下方。当需要将抛料辊242a、242b、242c、242d的高度提升时，先将下调节螺栓560向下拧松，然后把抛料辊托架241向上提，再将上调节螺栓550向下拧紧即可；当需要将抛料辊242a、242b、242c、242d的高度降低时，先上调节螺栓550拧松，抛料辊托架241在重力作用下自然下降，再将下调节螺栓560向上拧即可。
大量程称重机构300安装在皮带运输机构100内且靠近仓体200的进料口220垂直投影于皮带运输机构100上的位置。大量程称重机构包括第一计量称310以及托板组320，托板组320由若干沿皮带运输机构100的运输方向连续排列的托板组成，托板组320位于皮带140的下方并支撑位于其上方的部分皮带141，第一计量称310安装在机架110上且位于托板组320的后端的下方。托板组320的前端的下方设置有一用以支撑其前端重量的柔性支点330，该柔性支点330支撑于机架110上，该柔性支点330在称重时起到变形称重的作用。
小量程称重机构400安装在皮带运输机构100内且位于仓体200的出料口230的后方。小量程称重机构400包括第二计量称410、称重托板420以及托板支架430，称重托板420通过托板支架430安装在机架110上且位于皮带140 的下方，第二计量称410安装在机架110上且位于称重托板420的下方。
本发明的双称重计量料仓的工作原理如下：刨花进入仓体200的进料口220后，经过抛料辊242a、242b、242c、242d抛散后落在皮带140上，随着抛料辊242a、242b、242c、242d不断地向后抛料，和皮带140向前运动，刨花在仓体200内形成了如图1中的刨花堆积状态曲线600所示的堆积状态。大量程称重机构300能粗略测出仓体200内刨花的量，但其受到安装位置限制和抛料辊242a、242b、242c、242d的旋转抛料的影响，计量结果不精确，其数据可用于控制仓体200的进料。小量程称重机构400安装在抛料辊242a、242b、242c、242d前，此时物料厚度均匀，可以准确测量其上的物料重量，该数据可用于调整皮带运输机构100的皮带140的速度和抛料辊242a、242b、242c、242d的高度，以控制计量料仓。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (9)

  1. 一种双称重计量料仓，其特征在于，包括：
    一皮带运输机构；
    一架设在所述皮带运输机构上的仓体，所述仓体的顶部靠近沿所述皮带运输机构运输方向的后端的位置上设置有一进料口，所述仓体的底部沿所述皮带运输机构运输方向的前端的位置上设置有一出料口；
    一安装在所述皮带运输机构内且靠近所述仓体的进料口垂直投影于皮带运输机构上的位置的大量程称重机构；以及
    一安装在所述皮带运输机构内且位于所述仓体的出料口后方的小量程称重机构。
  2. 如权利要求1所述的双称重计量料仓，其特征在于，所述皮带运输机构包括机架、主动辊、从动辊、皮带以及驱动装置，所述主动辊轴设在所述机架的后端，所述从动辊轴设在机架的前端，所述皮带环绕在所述主动辊和从动辊上，所述驱动装置安装在所述机架上并驱动所述主动辊转动。
  3. 如权利要求2所述的双称重计量料仓，其特征在于，所述驱动装置为变频驱动电机。
  4. 如权利要求2所述的双称重计量料仓，其特征在于，所述仓体通过料仓架支撑在所述皮带运输机构的机架上，所述仓体内位于所述进料口的下方且位于所述大量程称重机构与小量程称重机构之间设置有一抛料装置，所述抛料装置包括抛料辊托架、若干抛料辊以及驱动所述若干抛料辊转动的驱动电机，所述抛料辊托架以其后端高于其前端的方式倾斜设置在所述料仓架上，所述若干抛料辊平行轴设在所述抛料辊托架上，所述驱动电机安装在所述机架上且与每一抛料辊驱动连接。
  5. 如权利要求4所述的双称重计量料仓，其特征在于，所述若干抛料辊的轴心不在同一平面上。
  6. 如权利要求4所述的双称重计量料仓，其特征在于，所述抛料辊托架的后端铰接在所述料仓架上，其前端通过一升降调节器安装在所述料仓架上；所述升降调节器包括左、右调节竖板、调节横板、调节芯轴、调节螺杆以及上、下调节螺栓，所述左、右调节竖板竖直设置在所述料仓架的左、右侧上且低于所述抛料辊托架的后端，所述左、右调节竖板对称开设有一斜孔，所述调节芯轴设置在所述抛料辊托架的前端且其两端置于所述左、右调节竖板的斜孔中，所述调节横板设置在所述料仓架上且位于所述左、右调节竖板的上方，所述调节螺杆竖直穿过所述调节横板后与所述调节芯轴固定连接，所述上、下调节螺栓分别旋设于所述调节螺杆上并位于所述调节横板的上、下方。
  7. 如权利要求2所述的双称重计量料仓，其特征在于，所述大量程称重机构包括第一计量称以及托板组，所述托板组由若干沿皮带运输机构的运输方向连续排列的托板组成，所述托板组位于所述皮带的下方并支撑位于其上方的部分皮带，所述第一计量称安装在所述机架上且位于所述托板组的后端的下方。
  8. 如权利要求7所述的双称重计量料仓，其特征在于，所述托板组的前端的下方设置有一用以支撑其前端重量的柔性支点，该柔性支点支撑于所述机架上。
  9. 如权利要求2所述的双称重计量料仓，其特征在于，所述小量程称重机构包括第二计量称、称重托板以及托板支架，所述称重托板通过托板支架安装在所述机架上且位于所述皮带的下方，所述第二计量称安装在所述机架上且位于所述称重托板的下方。
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