CN203464990U

CN203464990U - Automatic catchweighing instrument for logistics

Info

Publication number: CN203464990U
Application number: CN201320583076.2U
Authority: CN
Inventors: 宗慧芳
Original assignee: Changzhou Bo Wei Science And Technology Ltd
Current assignee: Changzhou Bo Wei Science And Technology Ltd
Priority date: 2013-09-18
Filing date: 2013-09-18
Publication date: 2014-03-05
Anticipated expiration: 2023-09-18

Abstract

The utility model relates to an automatic catchweighing instrument for logistics. An upper scale assembly includes an upper scale rack, a carrier roller connected to the upper scale rack, a roller support seat and a tensioner support seat, wherein the roller support seat and the tensioner support seat are arranged at the two ends. A belt tray is installed at the upper portion of the upper scale rack by a rubber blanket; an electric roller and a driven roller are respectively installed at the roller support seat and the tensioner support seat; a conveyer belt is arranged at the electric roller and the driven roller; and a photoelectric detection sensor is installed at the end portion, arranged at the conveyer belt, of the upper scale rack. In addition, a lower scale assembly includes a frame formed by connection of a cross beam and a longitudinal beam; at least two weighing sensors are installed at the upper portion of the frame; and at least two corresponding support legs are arranged at the lower portion of the upper scale rack and the spherical surfaces or arc surfaces of the bottoms of the support legs support the weighing sensors. The weighing sensors are connected with a weighing instrument by a cable and a junction box; the junction box is connected to the upper scale rack or the frame; and at least two limit mechanisms for overloading and impact prevention are installed between the upper scale rack and the frame. The provided automatic catchweighing instrument has the advantages of reasoanbel structure, good anti-motion impact performance, wide metering range, and high accuracy.

Description

Logistics automatic sorting weighing apparatus

Technical field

The utility model relates to a kind of logistics automatic sorting weighing apparatus, belongs to equalizer technology field.

Background technology

In logistics automatic sorting line, conventionally adopt automatic sorting weighing apparatus that discrete article and loose shape article are weighed, veritified and classify, and overweight on logistics automatic sorting line and article short weight are carried out to automatic shunt rejecting.

Current disclosed automatic sorting weighing apparatus is mainly comprised of photoelectric testing sensor, scale body and LOAD CELLS and weighing instrument etc.And scale body is comprised of weighing platform, belt tray, belt conveyor, motor and driving wheel and follower.LOAD CELLS is fixed on weighing platform bottom, the two ends of weighing platform are provided with driving wheel and follower, belt conveyor is sleeved on driving wheel and follower, belt tray is connected on the weighing platform being connected with LOAD CELLS, when article are delivered to belt tray by belt conveyor, belt tray will be experienced the weight of article and reach LOAD CELLS, the electric signal transmission that LOAD CELLS obtains detection is to weighing instrument, after processing by weighing instrument, by weighing instrument, show the weight of article.But the logistics automatic sorting of said structure weighing apparatus is because weighing platform is fixedly connected with LOAD CELLS, and during placing articles, can often impact again weighing platform, weighing platform does not have auto-reset function, anti-elliptical gear performance is not high, exists the flimsy problem of go-on-go weighing apparatus parts.Meanwhile, the scale body of this kind of structure is used motor to drive, and motor Heavy Weight, causes effective weighing-up wave little, therefore can only to the essentially identical article of weight, weigh continuously, and its range of weighing is restricted.

Summary of the invention

The utility model object is to provide a kind of rational in infrastructure, and anti-elliptical gear performance is good, and measures range is wide, the logistics automatic sorting weighing apparatus that accuracy is high.

The utility model is that the technical scheme achieving the above object is: a kind of logistics automatic sorting weighing apparatus, comprise scale body, LOAD CELLS and weighing instrument, it is characterized in that: described scale body comprises scale body assembly and lower scale body assembly, upper scale body assembly comprises scale frame, be connected to the carrying roller on scale frame and be connected to roller bearing and the tensioner bearing at scale frame two ends, belt tray is arranged on upper scale frame top by rubber blanket, electricity roller and driven roller are arranged on respectively on roller bearing and tensioner bearing, conveying belt is arranged on electric roller and driven roller and carrying roller, upper scale chord position is provided with at least one photoelectric testing sensor in the end of conveying belt, described lower scale body assembly comprises the framework that crossbeam and longeron connect and compose, the top of framework is provided with at least two LOAD CELLS, the bottom of upper scale frame is at least provided with two corresponding legs, sphere or the cambered surface of leg bottom are bearing in LOAD CELLS, LOAD CELLS is connected with weighing instrument by cable and terminal box, terminal box is connected on scale frame or framework, is provided with at least two and prevents overload and the position-limit mechanism impacting between upper scale frame and framework.

Upper scale body of the present utility model is by upper scale frame, electricity roller, driven voller and carrying roller and connected conveying belt form, and at least two LOAD CELLS are arranged on the framework of lower scale body, and on upper scale frame corresponding at least two corresponding legs of LOAD CELLS, leg bottom is sphere with LOAD CELLS or cambered surface contacts, therefore when article are placed on upper scale frame component, Item Weight can be reached in LOAD CELLS and measures, and after upper scale frame impacts, can make again scale frame component automatically reset, so anti-elliptical gear performance is good, carry steadily, good stability, solved the flimsy problem of go-on-go weighing apparatus parts.The utility model adopts by electric roller and drives conveying belt, compact conformation, can improve weighing precision, can not only realize automatic Weighing to article, the function such as cumulative, the data upload of weighing, article delivery, also operation quality and speed have been improved, can meet High-Speed Automatic the weighing of logistic industry automatic sorting line, sorting efficiency is provided.The utility model has increased effective weighing-up wave, and has increased quakeproof rubber pad, therefore the article that can differ larger to weight are continuously weighed, its measures range can be at 0.1kg-500kg.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.

Fig. 1 is the structural representation of the logistics automatic sorting weighing apparatus of utility model.

Wherein: 1-adjusting leg, 2-framework, 3-photoelectric testing sensor, 4-roller bearing, 5-endshield, 6-electric appliance control box, 7-electric roller, 8-conveying belt, 9-belt tray, 10-carrying roller, 11-rubber blanket, 12-terminal box, 13-upper scale frame, 14-driven roller, 15-tensioner bearing, 16-cable, 17-weighing instrument, 18-LOAD CELLS, 19-T shape limit shaft, 20-left-and-right guard board.

Embodiment

As shown in Figure 1, logistics automatic sorting weighing apparatus of the present utility model, comprises scale body, LOAD CELLS 18 and weighing instrument 17.As shown in Figure 1, scale body of the present utility model comprises scale body assembly and lower scale body assembly, upper scale body assembly comprises scale frame 13, be connected to the carrying roller 10 of scale frame 13 and roller bearing 4 and the tensioner bearing 15 at upper scale frame 13 two ends, upper scale frame 13 becomes framed structure by upper longeron and beam welding, carrying roller 10 is rotatably arranged on scale frame 13 bottoms, and roller bearing 4 and tensioner bearing 15 are arranged on scale frame 13 tops, and tensioner bearing 15 can be adjusted along conveying belt 8 traffic directions of upper scale frame 13, belt tray 9 is arranged on upper scale frame 13 tops by rubber blanket 11, electricity roller 7 and driven roller 14 are arranged on respectively roller bearing 4, on tensioner bearing 15 and carrying roller 10, conveying belt 8 is arranged on electric roller 7 and driven roller 14, the end that upper scale frame 13 is positioned at conveying belt 8 is provided with photoelectric testing sensor 3, left-and-right guard board 20 is arranged on the left and right sides of scale frame 13, and two endshields 5 are respectively in the rear and front end of upper scale frame 13.

As shown in Figure 1, lower scale body assembly of the present utility model comprises the framework 2 that crossbeam and longeron connect and compose, the top of framework 2 is provided with at least two LOAD CELLS 18, LOAD CELLS 18 can be installed at the Si Jiaochu of framework 2, the bottom of upper scale frame 13 is at least provided with two corresponding legs, leg bottom joins with LOAD CELLS 18 spheres or cambered surface, be that the sphere of leg bottom or cambered surface or the sphere of cambered surface and LOAD CELLS 18 match, therefore when upper scale body assembly is subject to after external impacts, upper scale body assembly can automatically reset, so can guarantee weighing precision, the utility model is provided with electric appliance control box 6 on framework 2, and place, four jiaos of the bottoms of framework 2 is provided with and regulates leg 1, the setting height(from bottom) of adjustable go-on-go weighing apparatus, also facilitate the debugging of go-on-go weighing apparatus.

As shown in Figure 1, LOAD CELLS 18 of the present utility model is connected with weighing instrument 17 by cable 16 and terminal box 12, terminal box 12 is connected on scale frame 13 or framework 2, when electric roller 7 driving conveying belt 8 operation, when article are delivered to belt tray 9 by conveying belt 8, belt tray 9 reaches LOAD CELLS 18 by the weight of experiencing article, LOAD CELLS 18 by electric signal transmission to weighing instrument 17, the weight that shows article after weighing instrument 17 is processed, carries out automatic Weighing, the cumulative sum of weighing article delivery to article.

As shown in Figure 1; on the utility model, between scale frame 13 and framework 2, be provided with at least two and prevent overload and the position-limit mechanism impacting; this position-limit mechanism comprises T shape limit shaft 19 and locking member; T shape limit shaft 19 is connected with locking member with upper scale frame 13 through framework 2; can on framework 2, be welded with other plate; T shape limit shaft 19 is arranged on the other plate of scale frame 13; scale frame 13 can be moved in scope of design; and can not affect, do not weigh normally; when being subject to external force to surpass scope of design; can limit the amount of movement of scale body assembly, and protect.

Claims

1. a logistics automatic sorting weighs, comprise scale body, LOAD CELLS (18) and weighing instrument (17), it is characterized in that: described scale body comprises scale body assembly and lower scale body assembly, upper scale body assembly comprises scale frame (13), be connected to the carrying roller (10) on scale frame (13) and be connected to roller bearing (4) and the tensioner bearing (15) at scale frame (13) two ends, belt tray (9) is arranged on upper scale frame (13) top by rubber blanket (11), electricity roller (7) and driven roller (14) are arranged on respectively on roller bearing (4) and tensioner bearing (15), conveying belt (8) is arranged on electric roller (7) and driven roller (14) and carrying roller (10), the end that upper scale frame (13) is positioned at conveying belt (8) is provided with at least one photoelectric testing sensor (3), described lower scale body assembly comprises the framework (2) that crossbeam and longeron connect and compose, the top of framework (2) is provided with at least two LOAD CELLS (18), the bottom of upper scale frame (13) is at least provided with two corresponding legs, leg bottom joins with LOAD CELLS (18) sphere or cambered surface, LOAD CELLS (18) is connected with weighing instrument (17) by cable (16) and terminal box (12), terminal box (12) is connected on scale frame (13) or framework (2), between upper scale frame (13) and framework (2), be provided with at least two and prevent overload and the position-limit mechanism impacting.

2. logistics automatic sorting weighing apparatus according to claim 1, is characterized in that: described position-limit mechanism comprises T shape limit shaft (19) and locking member, and T shape limit shaft (19) is connected with locking member with upper scale frame (13) through framework (2).

3. logistics automatic sorting weighing apparatus according to claim 1 and 2, is characterized in that: electric appliance control box (6) is installed on described framework (2).

4. logistics automatic sorting weighing apparatus according to claim 1 and 2, is characterized in that: the place, four jiaos of bottoms of framework (2) is provided with and regulates leg (1).