阅读说明：本技术 一种连续称重装置 (Continuous weighing device ) 是由 朱二 朱壹 于 2020-06-23 设计创作，主要内容包括：本发明公开了一种连续称重装置,该连续称重装置旨在解决现今装置分体式的结构,不可避免地会降低称重精度,影响结果的精确性,同时影响物料传输的技术问题；该连续称重装置包括机架和输送机,输送机固定安装在机架上；输送机的输送带上等距地固定安装有用于对输送物料进行分隔和推送的隔板,输送机输送方向两侧的机架上对称地依次固定安装有用于导向提升输送物料水平高度的入料过渡件、用于对输送物料进行称重的称重模块、用于导向降低输送物料水平高度的出料过渡件。该连续称重装置利用通过对称式的布局及其各部件间的位置关系,使输送物料或带托盘的输送物料浮离输送带表面进行称重,消除了输送带传输的受力干扰,从而提高了连续称重的精确性。(The invention discloses a continuous weighing device, which aims to solve the technical problems that the weighing precision is inevitably reduced, the accuracy of a result is influenced and the material transmission is influenced due to a split structure of the conventional device; the continuous weighing device comprises a rack and a conveyor, wherein the conveyor is fixedly arranged on the rack; the conveying belt of the conveyor is fixedly provided with partition plates used for separating and pushing conveying materials equidistantly, and the frames on the two sides of the conveying direction of the conveyor are symmetrically and sequentially fixedly provided with a feeding transition piece used for guiding and lifting the horizontal height of the conveying materials, a weighing module used for weighing the conveying materials and a discharging transition piece used for guiding and reducing the horizontal height of the conveying materials. The continuous weighing device utilizes the symmetrical layout and the position relation among all the parts thereof to enable conveyed materials or conveyed materials with trays to float off the surface of the conveyor belt for weighing, so that the stress interference of conveyor belt transmission is eliminated, and the accuracy of continuous weighing is improved.)

1. A continuous weighing device comprises a frame and a conveyor, wherein the conveyor is fixedly arranged on the frame; the device is characterized in that partition plates for separating and pushing conveyed materials are fixedly installed on a conveying belt of the conveyor at equal intervals, a feeding transition piece for guiding and lifting the horizontal height of the conveyed materials, a weighing module for weighing the conveyed materials and a discharging transition piece for guiding and reducing the horizontal height of the conveyed materials are symmetrically and sequentially and fixedly installed on racks on two sides of the conveying direction of the conveyor, the near end of the feeding transition piece along the conveying direction of the conveyor is equal to or lower than the horizontal height of the conveying belt of the conveyor, the far end of the feeding transition piece along the conveying direction of the conveyor is higher than the horizontal height of the conveying belt of the conveyor, the weighing module and the feeding transition piece are aligned with each other along the horizontal height of the far end of the conveying direction of the conveyor, and the near end of the discharging transition piece along the conveying direction of the conveyor is aligned with the horizontal height of the weighing module, the far end of the discharging transition piece along the conveying direction of the conveyor is equal to or lower than the horizontal height of the conveyor belt, the feeding transition piece, the weighing module and the discharging transition piece are closely and smoothly connected, and the partition plate is higher than the horizontal height of the weighing module.

2. The continuous weighing device of claim 1, wherein circular trays for holding the conveyed materials are arranged on the conveying belt of the conveyor between the partition plates, the diameter of each tray is smaller than the distance between the partition plates, and the diameter of each tray is larger than the distance between the feeding transition piece, the weighing module and the discharging transition piece which are symmetrically arranged on two sides of the conveying direction of the conveyor.

3. A continuous weighing apparatus as claimed in claim 2, wherein the weighing module is radiused at both its proximal and distal ends in the direction of conveyor travel in a shape to the left of its own intersection with the circular tray profile.

4. A continuous weighing apparatus as claimed in claim 1, wherein the weighing module is adapted to be weighed by a load cell.

5. A continuous weighing apparatus as claimed in claim 1, wherein the conveyor is a belt conveyor.

6. A continuous weighing apparatus as claimed in claim 1, wherein the conveyor is a chain conveyor.

7. A continuous weighing apparatus as claimed in claim 1, wherein the weighing module is 4-5mm higher in level than the conveyor belt.

8. A continuous weighing apparatus as claimed in claim 1 wherein the height of the partition is 8-12 mm.

9. A continuous weighing apparatus according to claim 1, wherein said infeed transition member is arcuately ascending along the conveying direction of said conveyor and said outfeed transition member is arcuately descending along the conveying direction of said conveyor.

Technical Field

The invention belongs to the technical field of material conveying, and particularly belongs to a continuous weighing device.

Background

Nowadays, for the transmission and sorting of materials in various industries such as ports, steel, food processing, chemical industry and pharmaceutical manufacturing, the transmitted materials are often required to be continuously weighed and sorted; taking fruits as an example, the fruits are usually required to be continuously weighed after being picked, sorted according to conditions such as size, sweetness and excellent appearance, and then sold correspondingly.

The existing continuous weighing device generally comprises a front conveying belt, a rear conveying belt, a transition table surface between the front conveying belt and the rear conveying belt which are positioned on the same plane, and a weighing module arranged in the transition table surface, wherein when materials are conveyed onto the transition table surface, the materials are continuously weighed by using the weighing module, and the materials which do not meet requirements can be removed by combining a control system to control a removing unit, so that the materials are continuously weighed and sorted. But present continuous weighing device still has certain problem at the continuous weighing in-process, mainly lies in the linking between preceding conveyer belt, back conveyer belt and the transition mesa, the split type structure of three, even make it eliminate the power that longitudinal motion produced in the coplanar, but lateral motion can produce certain vibrations at the in-process that the three links up unavoidably like this can reduce the precision of weighing, influences the accuracy nature of result.

In order to solve the problem of continuous weighing accuracy, the chinese patent publication No. CN202158891U discloses a weighing device, which includes a conveying part, a weighing part, a control part, and a lifting part, wherein the conveying part has a conveying surface for conveying a material, the weighing part is in contact with the conveying surface in a weighing state for weighing the material conveyed by the conveying surface, and the lifting part controls the contact state of the weighing part and the conveying surface; the weighing part is in contact with the conveying surface when in a weighing state, and the lifting part lifts the conveying surface to enable the weighing part to be not in contact with the conveying surface when the weighing part is in a zero setting state, so that the load of the weighing part is zero. The device can ensure the weighing accuracy to a certain extent, but structurally, the conveying part needs to be lifted, so that the conveying belt is inclined, the conveyed materials are affected, and conveying accidents are easy to happen; meanwhile, the lifting part and the sensor are positioned on the same plane, so that influence and obstruction on the adjustment of the sensor are easily caused. Therefore, the improvement is urgently needed to solve the problems in the processes of material conveying, material sorting and the like, so as to ensure that the conveyed materials are continuously, effectively and accurately weighed.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the invention aims to provide a continuous weighing device, which aims to solve the technical problems that the weighing precision is inevitably reduced, the accuracy of a result is influenced and the material transmission is influenced due to the split structure of the prior device; the continuous weighing device utilizes the symmetrical layout and the position relation among all the parts thereof to enable conveyed materials or conveyed materials with trays to float off the surface of the conveyor belt for weighing, so that the stress interference of conveyor belt transmission is eliminated, and the accuracy of continuous weighing is improved.

(2) Technical scheme

In order to solve the technical problem, the invention provides a continuous weighing device, which comprises a frame and a conveyor, wherein the conveyor is fixedly arranged on the frame; wherein, the conveyer belt of the conveyer is fixedly provided with clapboards which are used for separating and pushing the conveyed materials at equal intervals, the racks on the two sides of the conveyer conveying direction are symmetrically and sequentially fixedly provided with a feeding transition piece which is used for guiding and lifting the horizontal height of the conveyed materials, a weighing module which is used for weighing the conveyed materials and a discharging transition piece which is used for guiding and reducing the horizontal height of the conveyed materials, the near end of the feeding transition piece along the conveyer conveying direction is equal to or lower than the horizontal height of the conveyer belt, the far end of the feeding transition piece along the conveyer conveying direction is higher than the horizontal height of the conveyer belt, the weighing module and the feeding transition piece are level with each other along the horizontal height of the far end of the conveyer conveying direction, and the near end of the discharging transition piece along the conveyer conveying direction is level with the horizontal height of the weighing module, the far end of the discharging transition piece along the conveying direction of the conveyor is equal to or lower than the horizontal height of the conveyor belt, the feeding transition piece, the weighing module and the discharging transition piece are closely and smoothly connected, and the partition plate is higher than the horizontal height of the weighing module.

It should be noted that when the continuous weighing device of the present invention is used to weigh continuously conveyed materials, the sizes of the outlines of the conveyed materials need to be smaller than the distance between the partition plates on the conveyor belt, and the sizes of the outlines of the conveyed materials need to be larger than the distance between the feeding transition piece, the weighing module and the discharging transition piece symmetrically installed on both sides of the conveyor in the conveying direction, and the outlines of the conveyed materials are regular, preferably circular, such as bottled products, canned products or boxed products with the same specification, and fruits with the similar sizes and the near-sighted circular shapes, so that the device can be used to accurately weigh continuously. Suitably, circular trays can be arranged on the conveyor belt of the conveyor between the partition plates, the diameter of each tray is required to be smaller than the distance between the partition plates, and the diameter of each tray is larger than the distance between the feeding transition piece, the weighing module and the discharging transition piece which are symmetrically arranged on two sides of the conveying direction of the conveyor.

Preferably, a circular tray used for placing conveying materials is arranged between the partition plates on the conveying belt of the conveyor, the diameter of the tray is smaller than the distance between the partition plates, and the diameter of the tray is larger than the distance between the feeding transition piece, the weighing module and the discharging transition piece which are symmetrically arranged on two sides of the conveying direction of the conveyor.

The continuous weighing device adopts the symmetrical layout, and in the operation process, the conveying belt drives the conveying materials or the conveying materials with the trays to be conveyed forward in an orderly arrangement mode at intervals of the partition plates through the conveying belt of the conveyor and the partition plates on the conveying belt. Firstly, the conveyed material or the conveyed material with the tray is firstly contacted with the feeding transition piece and is pushed by the forward transmission of the partition plate, so that the horizontal height of the conveyed material or the conveyed material with the tray is guided and lifted, namely, the conveyed material or the conveyed material with the tray is floated off the surface of the conveying belt through the feeding transition piece, and the preparation is made for subsequent weighing. Then, the conveyed materials or the conveyed materials with the trays are continuously transmitted forwards through the thrust of the partition plates, and when the conveyed materials or the conveyed materials with the trays reach the weighing modules and are completely supported on the weighing modules on the two sides of the conveyor, the weighing modules are used for weighing the conveyed materials or the conveyed materials with the trays; independent weighing sensor can be installed alone to the weighing module of both sides, also can integrate into a weighing sensor with it to, if when carrying out the transmission through the transported substance mode of taking the tray, still can be through setting for, the calculation is peeld to the weight of tray, thereby directly obtains the weighing data of transported substance itself. Finally, the conveying materials or the conveying materials with the trays are continuously conveyed forwards through the thrust of the partition plates and are in contact with the discharging transition piece, the horizontal height of the conveying materials or the conveying materials with the trays is reduced in a guiding mode, namely the conveying materials or the conveying materials with the trays are attached to the surface of the conveying belt through the discharging transition piece and fall back to the conveying belt of the conveyor, so that the conveying materials or the conveying materials with the trays are continuously conveyed forwards in an orderly arrangement mode at intervals of the partition plates, weighing of the conveying materials or the conveying materials with the trays is completed in the process, and continuous accurate weighing is achieved along with conveying of the conveyor.

Further, the near end and the far end of the weighing module along the conveying direction of the conveyor are provided with arc cut angles in the shape of the left side of the intersection line of the weighing module and the circular tray outline.

The weighing module is provided with a weighing module, wherein the weighing module is provided with a circular arc cutting angle in the shape of the left side of the intersection line of the weighing module and the circular tray profile at the near end and the far end of the weighing module along the conveying direction of the conveyor, namely, the weighing module is provided with a certain circular arc notch at the near end and the far end of the weighing module along the conveying direction of the conveyor, and the shape of the circular arc notch is the part of the left side of the intersection line of the weighing module and the circular tray profile. By utilizing the shape, on one hand, the round tray and the conveying materials on the round tray can be stably weighed on the weighing module, and the weighing precision is ensured; on the other hand, when the round tray and the conveying materials on the round tray enter the weighing module, the round tray and the conveying materials on the round tray can completely enter the weighing module as early as possible by utilizing the arc cut angle with the special shape at the left side of the intersecting line of the weighing module and the round tray, so that the round tray and the conveying materials on the round tray can stay on the weighing module for a period of time as much as possible; when the circular tray and the conveying materials on the circular tray leave the weighing module, the weighing of the next circular tray and the conveying materials on the circular tray cannot be influenced when the weighed circular tray and the conveying materials on the circular tray leave the weighing module by utilizing the arc cut angle with the special shape on the left side of the intersecting line of the weighing module and the circular tray, and the weighing precision and effectiveness are further ensured.

Preferably, the weighing module is used for weighing by a weighing sensor.

Wherein, utilize weighing sensor to weigh, efficient accuracy is strong.

Preferably, the conveyor is a belt conveyor.

Preferably, the conveyor is a chain conveyor.

Wherein, both the belt conveyor and the chain conveyor can be better applied to the technical scheme of the invention.

Preferably, the horizontal height of the weighing module is 4-5mm higher than the conveyor belt.

Preferably, the height of the partition is 8-12 mm.

On the weighing module, the horizontal height of the weighing module is 4-5mm higher than that of a conveyer belt of the conveyer, and the height of the partition plate is 8-12mm, so that the weighing module is well suitable for conveying and continuously weighing small-size conveyed materials such as fruits and the like.

Preferably, the feeding transition piece ascends in an arc shape along the conveying direction of the conveyor, and the discharging transition piece descends in an arc shape along the conveying direction of the conveyor.

Wherein, through making the pan feeding transition piece rise along the direction of delivery arc of conveyer, ejection of compact transition piece descends along the direction of delivery arc of conveyer, utilizes its radian of inclining and decline radian promptly, can make the tray play stable cushioning effect when the forward motion enters into the weighing module top to further guarantee the precision of weighing to the transmission material.

(3) Advantageous effects

Compared with the prior art, the invention has the beneficial effects that: this continuous weighing device utilizes fixed mounting's baffle on the conveyer belt, combine the direction to promote and reduce the pan feeding transition piece and the ejection of compact transition piece of transported substance level, and with pan feeding transition piece and the tight level and smooth connection's of ejection of compact transition piece subsides weighing module, and the position relation between each parts, through the overall arrangement of symmetrical formula, make the transported substance material of transported substance or taking the tray float from the conveyer belt surface and weigh, the atress that has eliminated the conveyer belt transmission is disturbed, thereby the accuracy nature of continuous weighing has been improved.

In addition, the combination of the weighing module, which is provided with the arc chamfer of the left shape of the intersection line of the circular tray and the circular tray profile at the near end and the far end along the conveying direction of the conveyor, can enable the circular tray and the conveying materials on the circular tray to completely enter the weighing module as early as possible, enable the circular tray and the conveying materials on the circular tray to stay on the weighing module for a period of time as much as possible, and simultaneously enable the weighing of the next circular tray and the conveying materials on the circular tray to be unaffected when the weighed circular tray and the conveying materials on the circular tray leave, thereby further ensuring the weighing precision and effectiveness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a front view of one embodiment of the present invention.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a partially enlarged view of a portion B in fig. 3.

FIG. 6 is a schematic diagram of a weighing module and conveyor according to one embodiment of the invention.

The labels in the figures are: 1-frame, 2-conveyor, 3-baffle, 4-feeding transition piece, 5-discharging transition piece, 6-weighing module, 7-tray, 8-navel orange.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood and obvious, the technical solutions in the embodiments of the present invention are clearly and completely described below to further illustrate the invention, and obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.

The specific structure of the continuous weighing device in this embodiment is shown in fig. 1-6, fig. 1 is a schematic structural view thereof, fig. 2 is a front view, fig. 3 is a top view of fig. 2, fig. 4 is a partial enlarged view of a portion a in fig. 3, fig. 5 is a partial enlarged view of a portion B in fig. 3, and fig. 6 is a schematic structural view of a weighing module and a conveyor; the continuous weighing device comprises a rack and a conveyor, wherein the conveyor is a belt conveyor (or a chain conveyor), and is fixedly arranged on the rack; the conveying belt of the conveyor is fixedly provided with partition plates for separating and pushing conveyed materials equidistantly, the height of each partition plate is 10mm, racks on two sides of the conveying direction of the conveyor are symmetrically and sequentially fixedly provided with a feeding transition piece for guiding and lifting the horizontal height of the conveyed materials, a weighing module for weighing the conveyed materials and a discharging transition piece for guiding and reducing the horizontal height of the conveyed materials, the weighing module is used for weighing through a weighing sensor, the near end of the feeding transition piece along the conveying direction of the conveyor is equal to (or lower than) the horizontal height of the conveying belt of the conveyor, the far end of the feeding transition piece along the conveying direction of the conveyor is higher than the horizontal height of the conveying belt of the conveyor, the weighing module and the feeding transition piece are level with each other along the horizontal height of the far end of the conveying direction of the conveyor, and the horizontal height of the weighing module is 5mm higher than the conveying belt of the, the near end of the discharging transition piece along the conveying direction of the conveyor is flush with the horizontal height of the weighing module, the far end of the discharging transition piece along the conveying direction of the conveyor is equal to (or lower than) the horizontal height of the conveying belt of the conveyor, the feeding transition piece, the weighing module and the discharging transition piece are closely and smoothly connected, the feeding transition piece ascends in an arc shape along the conveying direction of the conveyor, the discharging transition piece descends in an arc shape along the conveying direction of the conveyor, and the near end and the far end of the weighing module along the conveying direction of the conveyor are both provided with arc cut angles of the left side shapes of the intersecting lines of the weighing module and the circular tray outline; in addition, a circular tray used for placing conveying materials is arranged between the partition plates on a conveying belt of the conveyor, the diameter of the tray is smaller than the distance between the partition plates, and the diameter of the tray is larger than the distance between the feeding transition piece, the weighing module and the discharging transition piece which are symmetrically arranged on two sides of the conveying direction of the conveyor.

When the device is used for continuously weighing navel oranges, the conveyor belt and the partition plates on the conveyor belt drive the belt tray and the navel oranges on the conveyor belt to convey the navel oranges forwards in an orderly arrangement mode at intervals of the partition plates. Firstly, the tray and the navel oranges thereon are contacted with the feeding transition piece firstly and are pushed forward by the thrust transmitted by the partition plate, so that the horizontal heights of the tray and the navel oranges thereon are guided and lifted, namely the tray and the navel oranges thereon are floated off from the surface of the conveying belt through the feeding transition piece, and preparation is made for subsequent weighing. Then, the tray and the navel oranges thereon are continuously transmitted forwards by the thrust of the partition plate, and when the tray and the navel oranges thereon reach the weighing modules and are completely supported on the weighing modules on the two sides of the conveyor, the tray and the navel oranges thereon are weighed by the weighing modules; the weighing modules on the two sides are integrated, and the weight of the tray is subjected to peeling calculation to directly obtain the weighing data of the navel oranges. Finally, the tray and the navel oranges thereon are continuously transmitted forwards through the thrust of the partition plate, the tray and the navel oranges thereon are contacted with the discharging transition piece, the horizontal height of the tray and the navel oranges thereon is reduced in a guiding manner, namely, the tray and the navel oranges thereon are attached to the surface of the conveying belt through the discharging transition piece, and the conveying belt falls back to the conveyor, so that the navel oranges are continuously and orderly conveyed forwards at intervals of the partition plate, the weighing of the navel oranges is completed in the process, and the continuous and accurate weighing is realized along with the transmission of the conveyor.

Having thus described the principal technical features and basic principles of the invention, and the advantages associated therewith, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description is described in terms of various embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity only, and those skilled in the art will recognize that the embodiments described herein can be combined as a whole to form other embodiments as would be understood by those skilled in the art.