阅读说明：本技术 一种小型颗粒状水果定量称重机 (Small-size granular fruit quantitative weighing machine ) 是由 杨自栋 闫珍奇 何昌俊 姚立健 钱孟波 于 2019-09-29 设计创作，主要内容包括：本发明提供了一种小型颗粒状水果定量称重机,包括皮带输送机,所述皮带输送机的两侧分别设置多个分流装置,每个分流装置后放置一个动态定量称重装置；皮带输送机的输送带带动水果往同一方向运动,经过分流装置将输送带上大流量的水果转换为小流量进行称重；水果经出料口进入动态定量称重装置中的配仓后,由步进电机驱动并经传动机构传输动力带动两个海绵滚筒旋转,使水果能够落入称重台上的果盘；本发明结构简单,使用方便；多组动态定量称重装置同时工作能够保证工作效率；控制器控制步进电机、电动推杆,称重过程速度快、精度高；配置海绵滚筒,工作过程不易伤果皮果肉,保证所称重水果的品质。(The invention provides a small granular fruit quantitative weighing machine which comprises a belt conveyor, wherein a plurality of shunting devices are respectively arranged on two sides of the belt conveyor, and a dynamic quantitative weighing device is arranged behind each shunting device; the conveying belt of the belt conveyor drives the fruits to move in the same direction, and the fruits with large flow on the conveying belt are converted into small flow through the shunting device to be weighed; after fruits enter a matching bin in the dynamic quantitative weighing device through a discharge port, the fruits are driven by a stepping motor and transmit power through a transmission mechanism to drive two sponge rollers to rotate, so that the fruits can fall into a fruit tray on a weighing platform; the invention has simple structure and convenient use; the working efficiency can be ensured by simultaneously working the plurality of groups of dynamic quantitative weighing devices; the controller controls the stepping motor and the electric push rod, and the weighing process is fast and high in precision; the sponge roller is arranged, so that the peel and pulp are not easy to damage in the working process, and the quality of weighed fruits is ensured.)

1. A small-sized granular fruit quantitative weighing machine is characterized by comprising a belt conveyor, wherein a plurality of shunting devices are respectively arranged on two sides of the belt conveyor, and a dynamic quantitative weighing device is arranged behind each shunting device;

the flow dividing device comprises an electric push rod, a side baffle, a first flow dividing plate, a connecting plate and a second flow dividing plate which are sequentially hinged to form a four-bar mechanism, and the electric push rod drives the four-bar mechanism to swing; the side baffle is fixed beside the conveying belt of the belt conveyor, and a discharge hole is formed in the side baffle;

the dynamic quantitative weighing device comprises a weighing rack, a matching bin, sponge rollers, a weighing platform, buffer rods, weighing upright columns, a base and a driving device, wherein the matching bin is fixed at the top end of the weighing rack, a pair of sponge rollers are supported on the weighing rack in parallel, an outlet at the bottom of the matching bin is positioned above the position between the pair of sponge rollers, the weighing platform is connected with the base through the weighing upright columns and the plurality of buffer rods, the weighing platform is arranged below the position between the pair of sponge rollers, and the driving device drives the sponge rollers to rotate.

2. The small-sized granular fruit quantitative weighing machine according to claim 1, wherein the driving device comprises a stepping motor and a gear transmission box, a pair of sponge rollers are connected through the gear transmission box and rotate at the same speed in opposite directions, and the stepping motor drives the gear transmission box to transmit.

3. The small quantitative weighing machine for granular fruits according to claim 2, further comprising a controller, an upper sensor for detecting the upper limit of the materials stored in the distribution bin and a lower sensor for detecting the lower limit of the materials stored in the distribution bin, wherein the upper sensor, the lower sensor, the stepping motor, the electric push rod and the weighing platform are all connected with the controller.

4. A small granular fruit weighing machine as claimed in claim 1 wherein an anti-dead-angle pad is mounted on the side dam adjacent to the first diverter plate.

5. The small-sized granular fruit quantitative weighing machine according to claim 1, wherein one end of the electric push rod is hinged on the electric push rod mounting bracket, the other end of the electric push rod is hinged on the second splitter plate, and the electric push rod mounting bracket is fixed on the side baffle.

6. The small granular fruit quantitative weighing machine as claimed in claim 1, wherein four sets of pulleys are mounted at the bottom of the base.

7. The small granular fruit quantitative weighing machine according to claim 1, wherein the weighing upright is composed of two nested uprights, one of which is provided with a clamping groove, the other is provided with a shooting prevention clamping column, and the shooting prevention clamping column is slidably arranged in the clamping groove.

8. The small-sized granular fruit quantitative weighing machine according to claim 1, wherein a gap is formed between the pair of sponge rollers, and the size of the gap is determined according to the size of a specific fruit.

9. The small-sized granular fruit quantitative weighing machine is characterized in that four buffer rods are arranged in a rectangular distribution, and a weighing upright post is arranged at the center of the four buffer rods.

10. The small-sized granular fruit quantitative weighing machine according to claim 1, wherein a dynamic quantitative weighing device is further installed at the end of the belt conveyor.

Technical Field

The invention relates to the field of metering and weighing equipment for agricultural product transportation processes, in particular to a small granular fruit quantitative weighing machine.

Background

Small granular fruits such as red dates, ginkgo fruits, small plums and the like are popular among consumers, and generally, the fruits are difficult to be weighed in a shunting manner by the same machine after being picked because the fruits are different in size and shape and have larger difference in hardness along with the picking period. The quality of this type of fruit is difficult to guarantee not destroyed at the process of weighing to traditional quantitative weighing machine during operation, and work efficiency is low, to the people operation dependency high. The quantitative weighing to small-size graininess fruit in the existing market still uses the manual bagging mode of weighing one by one again to give first place to, wastes time and energy still make fruit along with the bagging-off that does not weigh for a long time easily because inefficiency causes the waste. Based on this, combine together comparatively ripe sensor and reasonable mechanical structure at present, provide a small-size granular fruit ration weighing machine can reduce the operating time that weighs, improve work efficiency, shorten the time that fresh fruit got into the market.

Disclosure of Invention

According to the defects in the prior art, the invention aims to provide the small-sized granular fruit weighing machine which can be used for shunting and weighing a large amount of fruits in the conveying process, so that the fruit peels and the fruit pulps are not damaged in the weighing process, the weighed amount is determined according to the manual requirement, and the small-sized granular fruit weighing machine is suitable for various fruits and is accurate in weighing.

The specific technical scheme of the invention is as follows: a small-sized granular fruit quantitative weighing machine comprises a belt conveyor, wherein a plurality of shunting devices are respectively arranged on two sides of the belt conveyor, a dynamic quantitative weighing device is arranged behind each shunting device, and the specific installation number of the dynamic quantitative weighing devices can be determined according to weighing requirements;

the flow dividing device comprises an electric push rod, a side baffle, a first flow dividing plate, a connecting plate and a second flow dividing plate which are sequentially hinged to form a four-bar mechanism, and the electric push rod drives the four-bar mechanism to swing; the side baffle is fixed beside the conveying belt of the belt conveyor, and a discharge hole is formed in the side baffle; the shunting device can realize the change of the states of the first shunting plate and the second shunting plate according to the motion condition of the electric push rod, thereby determining the quantity of the fruits on the conveying belt which can enter the discharge hole.

The dynamic quantitative weighing device comprises a weighing rack, a matching bin, sponge rollers, a weighing platform, buffer rods, weighing upright columns, a base and a driving device, wherein the matching bin is fixed at the top end of the weighing rack, a pair of sponge rollers are supported on the weighing rack in parallel, an outlet at the bottom of the matching bin is positioned above the position between the pair of sponge rollers, the weighing platform is connected with the base through the weighing upright columns and the plurality of buffer rods, the weighing platform is arranged below the position between the pair of sponge rollers, and the driving device drives the sponge rollers to rotate.

Furthermore, drive arrangement includes step motor, gear box, and a pair of sponge cylinder links to each other through gear box and both turn to opposite rotational speed the same, and step motor drive gear box transmission.

The device further comprises a controller, an upper sensor for detecting the upper limit of the materials stored in the distribution bin and a lower sensor for detecting the lower limit of the materials stored in the distribution bin, so that the detection of the amount of the materials in the distribution bin is realized. The upper sensor, the lower sensor, the stepping motor, the electric push rod and the weighing platform are all connected with the controller. The speed regulation of the stepping motor is influenced by the weighing capacity set by a user and the reading of a digital weighing sensor arranged below the weighing platform, and the working condition of the electric push rod is influenced by the reading of an upper sensor and a lower sensor.

Furthermore, an anti-dead-angle pad is arranged on the side baffle plate and close to the first splitter plate, so that the influence of dead angle limitation on normal operation of a four-bar mechanism consisting of the side baffle plate, the first splitter plate, the second splitter plate and the connecting plate during movement is avoided.

Furthermore, one end of the electric push rod is hinged to the electric push rod mounting support, the other end of the electric push rod is hinged to the second splitter plate, and the electric push rod mounting support is fixed to the side baffle.

Furthermore, four groups of pulleys are installed at the bottom of the base.

Furthermore, the weighing upright post is composed of two nested upright posts, one upright post is provided with a clamping groove, the other upright post is provided with a shooting prevention clamping post, and the shooting prevention clamping post is arranged in the clamping groove in a sliding mode, so that the phenomenon that the weighing upright post is shot beyond a specified range due to the rebound process of a buffer rod spring caused by the change of bearing mass on the weighing platform is avoided.

Furthermore, a gap is formed between the pair of sponge rollers, the size of the gap is determined according to the size of specific fruits, and the quantity of the fruits falling on the fruit tray is determined by controlling the rotating speed of the sponge rollers through the stepping motor.

Furthermore, four buffer rods are distributed in a rectangular shape, so that the distance from each fruit to the highest plane of the fruit tray of the weighing table is equal, and the fruit quality cannot be influenced by the fact that the granular fruits hit the fruit tray at the falling speed in the process of falling the fruits to the fruit tray; the weighing upright column is arranged at the center of the four buffer rods at the center.

Further, a dynamic quantitative weighing device is arranged at the tail end of the belt conveyor to prevent the fruit which is not shunted from being wasted.

According to the small granular fruit quantitative weighing machine, the conveying belt of the belt conveyor drives the fruits to move in the same direction, and the fruits with large flow on the conveying belt are converted into small flow through the flow dividing device to be weighed; after fruits enter a matching bin in the dynamic quantitative weighing device through a discharge port, the fruits are driven by a stepping motor and transmit power through a transmission mechanism to drive two sponge rollers to rotate, so that the fruits can fall into a fruit tray on a weighing platform; step motor's operating speed can be according to joining in marriage the sensor in the storehouse and the real-time adjustment of controller control in district's reading of weighing, the motor drives the sponge cylinder and rotates fast when the reading of weighing is less, fruit can fall into the fruit bowl fast and when the reading of weighing is great and reach the quantitative requirement soon, the motor drives the low-speed rotation of sponge cylinder, fruit can fall into one by one, simultaneously through the electric putter that controller automatic adjustment conveyer belt reposition of redundant personnel baffle is connected come the quantity of reasonable configuration joining in marriage fruit in the storehouse, satisfy the rapidity, the accuracy requirement.

The invention has the beneficial effects that:

1. according to the small-sized granular fruit quantitative weighing machine, the readings of the upper sensor and the lower sensor are combined, and the controller is adopted to control the working conditions of the stepping motor and the electric push rod, so that the fruits on the conveying belt can automatically adjust the opening of the discharge port according to the amount stored in the distribution bin to adjust the amount of the fruits entering the distribution bin to be reasonable all the time, the stepping motor controls the rotating speed of the sponge roller according to the quality of the fruits in the fruit tray on the weighing platform to finish the automatic control of the feeding speed and the feeding speed of the fruits entering the weighing platform through the sponge roller according to the set weighing value, and the working efficiency and the working precision are ensured.

2. The small-sized granular fruit quantitative weighing machine adopts the two sponge rollers to convey fruits in the preparation bin to the workbench, and has the advantages that the sponge rollers can better protect the quality of pulp and peel of the small-sized granular fruits and ensure the freshness of the fruits in the quantitative weighing process; secondly, the sponge roller can meet the requirement of enabling the fruits to fall one by one and meet the accuracy target. Because the weighed fruits have different shapes and weights, when the rotating speed of the stepping motor is slow and the fruits are extruded by the sponge roller, the conditions such as the gravity and the supporting force of the fruits are different, and the fruits can fall one by one in the low-speed falling process; and the sponge roller can be used as a semi-closed switch. When the motor stall, fruit can press from both sides between two sponge cylinders, and in case the motor is opened, the cylinder rotates, is cliied fruit and can fall down fast, improves the whole response speed of machine.

3. According to the small granular fruit quantitative weighing machine, large-flow fruits on the belt conveyor can be converted to each dynamic weighing monomer through the shunting device to be weighed at a small flow rate, and the weighing precision of the system is improved; the working efficiency of the system is ensured by weakening the relation between the opening and closing state of the shunting device and the running condition of the dynamic weighing monomer through the distribution bin.

Drawings

The invention is explained in more detail below with reference to the figures and examples.

FIG. 1 is an isometric view of a small granular fruit weighing machine of the present invention;

FIG. 2 is an isometric view of the dynamic quantitative weighing apparatus of the present invention;

FIG. 3 is a top view of the splitter baffle device of FIG. 1;

in the figure: the device comprises a belt conveyor frame 1, a conveying belt 2, a side baffle 3, a first splitter plate 4, a second splitter plate 5, a connecting plate 6, a dead-angle-preventing pad 7, an electric push rod 8, an electric push rod mounting bracket 9, a discharge port 10, a distribution bin 11, an upper sensor 12, a lower sensor 13, a sponge roller 14, a stepping motor 15, a transmission gear box 16, a bearing 17, a bearing seat 18, a bolt 19, a weighing frame 20, a weighing platform 21, a buffer rod 22, a weighing upright column 23, a bulletproof shooting column 24, a base 25 and a pulley 26.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. In the following description and in the drawings, the same numbers in different drawings identify the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims. Various embodiments of the present description are described in an incremental manner.

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

As shown in fig. 1-3, the invention provides a small granular fruit quantitative weighing machine, which comprises a belt conveyor, wherein a plurality of shunting devices are respectively arranged on two sides of the belt conveyor, a dynamic quantitative weighing device is arranged behind each shunting device, and the specific installation number of the dynamic quantitative weighing devices can be determined according to weighing requirements.

In the application embodiment, the belt conveyor comprises a belt conveyor frame 1 and a conveying belt 2, wherein the conveying belt 2 is horizontally arranged on the belt conveyor frame 1.

In the embodiment of the application, the diverging device includes side shield 3, first splitter plate 4, second splitter plate 5, the connecting plate 6, prevent dead angle pad 7, electric putter 8, electric putter installing support 9, side shield 3 is vertical to be installed in conveyer belt 2 both sides, it has discharge gate 10 to open on the side shield plate 3, first splitter plate 4 passes through the connecting plate 6 with one side of second splitter plate 5 to be connected, connected mode adopts articulatedly, the opposite side also adopts the articulated discharge gate 10 both sides of installing on side shield plate 3, electric putter 8 one side is articulated with the plate and the plate is with second splitter plate 4 external surface fixation, the opposite side is articulated with electric putter installing support 9, electric putter installing support 9 opposite side is fixed in side shield plate 3. The side baffle 3, the first splitter plate 4, the connecting plate 6 and the second splitter plate 5 form a four-bar mechanism, and the electric push rod drives the four-bar mechanism to swing; the state of the first splitter plate 4 and the second splitter plate 5 is changed according to the motion of the electric push rod, so that the quantity of the fruits on the conveying belt which can enter the discharge hole 10 is determined.

In order to avoid the influence on normal operation caused by the limitation of dead angles when the four-bar mechanism moves, an anti-dead angle pad 7 is arranged on the side baffle 3 and close to the first splitter plate 4, so that the whole mechanism is more stable.

In the application embodiment, the dynamic quantitative weighing device comprises a weighing rack 20, a matching bin 11, sponge rollers 14, a driving device, a weighing table 21, buffer rods 22, weighing pillars 23, a base 24 and pulleys 25, wherein the matching bin 11 is fixedly arranged at the top end of the weighing rack 20, two ends of a pair of sponge rollers 14 are fixed on the weighing rack 20 through bearings 17, bearing seats 18 and bolts 19, the driving device comprises a stepping motor 15 and a gear transmission box 16, the gear transmission box 16 outputs power to the sponge rollers 14 after inputting power through the stepping motor 15, the weighing table 20 moves to a position right below the tangent position of the sponge rollers 14, one end of each of the four buffer rods 22 and one end of each weighing pillar 23 are fixed with the weighing table 20, and the other end of each buffer rod is fixed on the base 25; the buffer rod 22 is sleeved with a buffer spring. The weighing upright column 23 is composed of two nested upright columns, one of the upright columns is provided with a clamping groove, the other upright column is provided with an anti-ejection clamping column 24, and the anti-ejection clamping column is arranged in the clamping groove 24 in a sliding mode, so that the phenomenon that the weighing upright column 23 is ejected beyond a specified range due to the rebound process of a buffer rod spring caused by the change of bearing mass on the weighing platform 21 is avoided. For moving convenience, four sets of pulleys 26 are arranged below the base 25.

The weighing platform 21 is a platform with a digital weighing sensor arranged at the bottom, the digital weighing sensor is used for displaying the weight of the material on the weighing platform 21, and a weighing signal of the digital weighing sensor is transmitted to the controller.

For making different fruits can both get into the stand 23 of weighing under the condition of not hindering peel and pulp, choose sponge cylinder 14 for use, the clearance is adjustable between two sponge cylinders 14 (can adopt the distance of adjusting between a pair of sponge cylinder 14, also can adopt corresponding sponge cylinder 14 diameter size to adjust the clearance), keeps reasonable clearance, and the size in clearance is according to the size decision of concrete fruit.

In the embodiment of the application, the device further comprises a controller, an upper sensor 12 for detecting the upper limit of the material stored in the distribution bin 11, and a lower sensor 13 for detecting the lower limit of the material stored in the distribution bin 11, wherein the upper sensor, the lower sensor, the stepping motor and the electric push rod are all connected with the controller. The controller can adopt a special control module for SLW-PLAC6000-S linear scale of Taike instruments, Inc. in Shandong and West, but is not limited to the control module; the upper sensor 12 and the lower sensor 13 may be, but not limited to, a JY-DAM1000 load cell, a Beijing Polysoaring Electron Limited company.

The working principle and the using process of the invention are as follows:

the user sets a quantitative weighing target value firstly, and the gap of the sponge roller 14 is properly adjusted according to the size of the weighed fruit. The small-sized granular fruits start to move along the same direction through the conveying belt 2, at the moment, because no fruits exist in the distribution bin 11, the readings of the upper sensor 12 and the lower sensor 13 are zero, the electric push rod 8 drives the first splitter plate 4 and the second splitter plate 5 to work, so that the discharge hole 10 is opened to the maximum, the fruits quickly enter the distribution bin 11, the weighing quality is zero at the moment, the controller increases the output power of the stepping motor 15 and drives the sponge roller 14 to rotate quickly, and the fruits fall into a fruit tray on the weighing platform 21. Along with the fruit constantly gets into and joins in marriage storehouse 11 and weighing platform 21, the quality of weighing increases and more approaches to the setting value, controller control step motor 15 reduces the rotational speed, sponge cylinder 14 slows down the speed gradually until the fruit can get into weighing platform 21 one by one and satisfy set-up metering value and metering error range, then digital weighing sensor sends the signal to the controller, controller control step motor stall, and the fruit volume that joins in marriage in the storehouse 11 at this moment increases gradually, electric putter 8 drives four-bar linkage, thereby close discharge gate 10, if there is the fruit that is not shunted on conveyer belt 2 this moment, then get into terminal dynamic quantitative weighing device and accomplish the quantitative weighing work. After completing one job, the user only needs to take off the fruit tray on the weighing platform 21 and put on a new fruit tray, and then the next weighing is carried out.

The present invention is not limited to the above-described embodiments, and variations, modifications, additions and substitutions which are within the spirit of the invention and the scope of the invention may be made by those of ordinary skill in the art are also within the scope of the invention.