CN210526984U

CN210526984U - Dynamic weighing device for high-precision quantitative packaging machine

Info

Publication number: CN210526984U
Application number: CN201921632041.7U
Authority: CN
Inventors: 张艳军; 张春明
Original assignee: Zhengzhou Donghao Technology Co Ltd
Current assignee: Zhengzhou Donghao Technology Co Ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-05-15
Anticipated expiration: 2029-09-28

Abstract

The utility model discloses a high accuracy is dynamic weighing device for quantitative packagine machine, including the guard box, the inside vertical screw rod of installing of guard box, the screw rod is four in total and is the rhombus distribution, install the lifting ring through the screw thread outside the screw rod, be connected with the lifter plate between the lifting ring, the lifter plate surface runs through and installs the discharging pipe, the discharging pipe upper end is installed the weighing hopper, install weighing sensor between weighing hopper bottom surface and the lifter plate surface; the upper surface of the protection box is provided with a material injection pipe and a forward and reverse rotation motor which are communicated with the granary, and the bottom end of the material injection pipe is provided with a material injection control valve; the positive and negative rotation motor is connected with any one of the screw rods, and the bottom of each screw rod is provided with a transmission assembly. Has the advantages that: the lifting of the weighing hopper can be realized, the height of the grain surface inside the weighing hopper and the height of the material injection pipe are constant all the time, so that the grain is prevented from bouncing inside the weighing hopper, the weighing precision is guaranteed, and the using effect is good.

Description

Dynamic weighing device for high-precision quantitative packaging machine

Technical Field

The utility model relates to a grain packing plant technical field, concretely relates to high accuracy is dynamic weighing device for quantitative packagine machine.

Background

In the transportation and the sales process of grain, in order to improve the convenience of transportation and sale, need carry out quantitative package to grain, in order to guarantee quantitative package's precision, need carry out the dynamic weighing to grain. However, the height of the weighing hopper of the conventional dynamic weighing device is fixed, and when grains are injected, the grains are easy to bounce inside the weighing hopper when falling due to the height difference, so that the weighing precision is influenced, and the using effect is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high accuracy is dynamic weighing device for quantitative packagine machine just for solving above-mentioned problem to solve among the prior art present dynamic weighing device's scale hopper highly fixed unchangeable, when carrying out grain injection, owing to there is the difference in height, grain falls when easy in the inside spring of scale hopper, influence weighing precision, non-ideal scheduling technical problem of result of use. The utility model provides an in a great deal of technical scheme preferred technical scheme can realize the lift of weighing hopper, make the inside grain surface of weighing hopper and annotate the height of material pipe unchangeable all the time to prevent that grain from at the inside spring of weighing hopper, help guaranteeing to weigh the precision, technological effect such as excellent in use effect sees the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of high accuracy is dynamic weighing device for quantitative packagine machine, including the guard box, the controller is installed to the guard box leading flank, the vertical screw rod of installing in the guard box, the screw rod is total four, and is the rhombus and distributes, install the lift ring through the screw thread in the screw rod outside, be connected with the lifter plate between the lift ring, the lifter plate surface runs through and installs the discharging pipe, the discharging pipe bottom is installed discharging control valve, discharging control valve with the controller electricity is connected, the discharging pipe upper end is installed the weighing hopper, the weighing sensor is installed to weighing hopper bottom surface with between the lifter plate surface, the weighing sensor with the controller electricity is connected;

the upper surface of the protection box is provided with a material injection pipe and a positive and negative rotation motor which are communicated with a granary, the bottom end of the material injection pipe extends into the protection box and is provided with a material injection control valve, the material injection control valve is positioned right above the weighing hopper, and the material injection control valve is electrically connected with the controller; the forward and reverse rotation motor is connected with any one screw, the forward and reverse rotation motor is electrically connected with the controller, and a transmission assembly used for matching the forward and reverse rotation motor to drive all the screws to synchronously rotate is arranged at the bottom of each screw;

the protective box bottom runs through and installs the filling tube, the filling tube is located under the ejection of compact control valve discharge gate.

When the dynamic weighing device for the high-precision quantitative packaging machine is used for weighing, the controller controls the forward and reverse rotating motors to rotate forward, the transmission assembly is matched with the forward and reverse rotating motors to drive all the screw rods to rotate, the lifting ring is lifted on the outer sides of the screw rods through screw transmission, so that the lifting plate drives the weighing hoppers to lift, the weighing hoppers are close to the material injection control valves, the controller controls the discharge control valves to be closed and the material injection control valves to be opened, grains in a grain bin enter the weighing hoppers through the material injection pipes, the controller controls the forward and reverse rotating motors to rotate reversely as the grains enter the weighing hoppers, so that the lifting ring drives the weighing hoppers to descend through the lifting plate, and the weighing sensors weigh the grains in the weighing hoppers and the discharge pipes, when the weight of the grain reaches a set value, the controller controls the forward and reverse rotation motor to stop, simultaneously closes the material injection control valve, stops the injection of the grain, opens the discharge control valve, allows the grain in the weighing hopper to enter the filling pipe through the discharge pipe, and quantitatively packages the grain, and when the grain in the weighing hopper is completely discharged, the controller controls the forward and reverse rotation motor to rotate forward, so that the weighing hopper is lifted to the original position, and the process is repeated to realize the continuous quantitative weighing of the grain; the device can realize the lifting of the weighing hopper, so that the heights of the grain surface inside the weighing hopper and the material injection pipe are constant all the time, thereby preventing the grain from bouncing inside the weighing hopper, being beneficial to ensuring the weighing precision and having good use effect.

Preferably, the transmission assembly comprises four transmission belt wheels and four transmission belts, the four transmission belt wheels are respectively arranged on the outer sides of the bottoms of the four screw rods, and the transmission belts are connected among the four transmission belts in a transmission mode.

Preferably, a fixed pipe is installed at the top in the protection box, the fixed pipe is located on the outer side of the material injection pipe, and a soft cloth bag is connected between the fixed pipe and the material injection hopper.

Preferably, a fixing ring is installed on the outer side of the bottom of the weighing hopper, and the fixing ring is connected with the surface of the weighing sensor.

Preferably, a flexible hose is connected between the filling pipe and the discharge hole of the discharge control valve.

Preferably, an observation window is embedded in a side surface of the protection box.

Preferably, the back side of the protection box is hinged with a split door with a lock.

Has the advantages that: the lifting of the weighing hopper can be realized, the height of the grain surface inside the weighing hopper and the height of the material injection pipe are constant all the time, so that the grain is prevented from bouncing inside the weighing hopper, the weighing precision is guaranteed, and the using effect is good.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a front sectional view of the present invention;

FIG. 3 is a top view of the screw distribution structure of the present invention;

fig. 4 is a system control block diagram of the present invention.

The reference numerals are explained below:

1. a protection box; 101. an observation window; 2. a controller; 3. a material injection pipe; 4. a positive and negative rotation motor; 5. Filling tubes; 6. a discharge control valve; 7. a transmission assembly; 701. a drive pulley; 702. a drive belt; 8. a lifting ring; 9. a screw; 10. a fixed tube; 11. a material injection control valve; 12. a soft cloth bag; 13. a weighing hopper; 1301. a fixing ring; 14. a weighing sensor; 15. a lifting plate; 16. a discharge pipe; 17. A flexible hose.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a high accuracy is dynamic weighing device for quantitative packaging machine, including protection case 1, protection case 1 installs controller 2 in the front side, vertically installs screw rod 9 inside protection case 1, screw rod 9 is four in total, and is rhombus distribution, screw rod 9 installs lifting ring 8 through the screw thread in the outside, be connected with lifter plate 15 between the lifting ring 8, lifter plate 15 surface runs through installs discharging pipe 16, discharging pipe 16 installs bottom discharge control valve 6, discharging control valve 6 is connected with controller 2 electricity, discharging pipe 16 installs the upper end scale hopper 13, install weighing sensor 14 between scale hopper 13 bottom surface and lifter plate 15 surface, weighing sensor 14 is WH01 semiconductor load sensor, weighing sensor 14 is connected with controller 2 electricity, preferably, the inner wall of discharging pipe 16 and the inner wall smooth transition of scale hopper 13, due to the arrangement, grains in the weighing hopper 13 can completely enter the discharging pipe 16, and the grains in the weighing hopper 13 are completely discharged;

the upper surface of the protection box 1 is provided with a material injection pipe 3 and a positive and negative rotation motor 4 which are communicated with the granary, the bottom end of the material injection pipe 3 extends into the protection box 1 and is provided with a material injection control valve 11, the material injection control valve 11 is positioned right above the weighing hopper 13, and the material injection control valve 11 is electrically connected with the controller 2; the forward and reverse rotation motor 4 is connected with any one screw 9, the forward and reverse rotation motor 4 is electrically connected with the controller 2, and the bottom of the screw 9 is provided with a transmission assembly 7 which is used for matching the forward and reverse rotation motor 4 to drive all the screws 9 to synchronously rotate;

1 bottom of guard box is run through and is installed filling tube 5, and filling tube 5 is located 6 discharge gates of ejection of compact control valve under, annotates material control valve 11 and ejection of compact control valve 6 and is the filling valve, and is preferred, and displacement sensor who is used for detecting 15 lifting displacement of lifter plate is installed at the top in the guard box 1, and displacement sensor is connected with 2 electricity of controller, sets up the accuracy that can guarantee the lifting height of lifter plate 15 like this.

As an optional embodiment, the transmission assembly 7 includes four transmission pulleys 701 and four transmission belts 702, the transmission pulleys 701 are respectively installed at the outer sides of the bottoms of the four screws 9, and the transmission belts 702 are connected between the four transmission belts 702 in a transmission manner, so that the transmission pulleys 701 and the transmission belts 702 can cooperate with the forward and reverse rotation motor 4 to realize synchronous rotation of all the screws 9.

Preferably, the driving pulley 701 is a synchronous pulley, and the driving belt 702 is a synchronous belt, so that the driving accuracy of the driving pulley 701 and the driving belt 702 can be ensured.

Fixed pipe 10 is installed at the top in guard box 1, and fixed pipe 10 is located annotates the material pipe 3 outsides, is connected with soft sack 12 between fixed pipe 10 and the notes hopper, sets up like this, can ensure through setting up soft sack 12 that at weighing hopper 13 decline in-process, annotate that the grain of material pipe 3 inside can accurately get into inside weighing hopper 13.

Fixed ring 1301 is installed in the outside of weighing hopper 13 bottom, and fixed ring 1301 is connected with weighing sensor 14 surface, sets up the accuracy that can guarantee weighing of the inside grain of weighing hopper 13 of weighing sensor 14 symmetry like this.

Be connected with flexible hose 17 between filling tube 5 and the discharge gate of ejection of compact control valve 6, set up like this, flexible hose 17 can stretch out and draw back along with the lift of weighing hopper 13, ensures that at weighing hopper 13 decline in-process, inside grain of discharging pipe 16 can accurately get into inside filling tube 5.

The observation window 101 is embedded into the side surface of the protection box 1, so that the condition inside the protection box 1 can be observed conveniently through the observation window 101, and an operator can find faults in time conveniently.

The side of the back of the protection box 1 is hinged with a side-by-side door with a lock, so that the protection box 1 can be opened conveniently, and the components inside the protection box 1 can be detected and maintained conveniently.

By adopting the structure, when weighing is carried out, the controller 2 controls the forward and reverse rotation motor 4 to rotate forward, the transmission assembly 7 is matched with the forward and reverse rotation motor 4 to drive all the screw rods 9 to rotate, the lifting ring 8 is lifted outside the screw rods 9 by utilizing thread transmission, so that the lifting plate 15 drives the weighing hopper 13 to lift, the weighing hopper 13 is close to the material injection control valve 11, the controller 2 controls the material discharge control valve 6 to close and the material injection control valve 11 to open, grains in the granary enter the weighing hopper 13 through the material injection pipe 3, the controller 2 controls the forward and reverse rotation motor 4 to rotate reversely along with the grains entering the weighing hopper 13, so that the lifting ring 8 drives the weighing hopper 13 to descend through the lifting plate 15, the weighing sensor 14 weighs the grains in the weighing hopper 13 and the material discharge pipe 16, and transmits signals to the forward and reverse rotation controller 2, when the weight of the grains reaches a set value, the controller 2 controls the forward and reverse rotation motor 4 to stop, meanwhile, the material injection control valve 11 is closed, the injection of the grains is stopped, the discharge control valve 6 is opened, the grains in the weighing hopper 13 enter the filling pipe 5 through the discharge pipe 16 to carry out the quantitative packaging of the grains, and when the grains in the weighing hopper 13 are completely discharged, the controller 2 controls the forward and reverse rotation motor 4 to rotate forward, so that the weighing hopper 13 is lifted to the original position, and the process is repeated to realize the continuous quantitative weighing of the grains; the device can realize the lift of weighing hopper 13, makes the grain surface of weighing hopper 13 inside unchangeable all the time with annotate the height of material pipe 3 to prevent that grain from at the inside spring of weighing hopper 13, help guaranteeing to weigh the precision, excellent in use effect.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a high accuracy is dynamic weighing device for quantitative packagine machine which characterized in that: comprises a protective box (1), a controller (2) is arranged on the front side surface of the protective box (1), the interior of the protection box (1) is vertically provided with four screw rods (9), the number of the screw rods (9) is four, and is distributed in a diamond shape, the outer side of the screw rod (9) is provided with a lifting ring (8) through threads, a lifting plate (15) is connected between the lifting rings (8), a discharge pipe (16) is arranged on the surface of the lifting plate (15) in a penetrating way, a discharging control valve (6) is arranged at the bottom end of the discharging pipe (16), the discharging control valve (6) is electrically connected with the controller (2), a weighing hopper (13) is mounted at the upper end of the discharge pipe (16), a weighing sensor (14) is mounted between the bottom surface of the weighing hopper (13) and the surface of the lifting plate (15), and the weighing sensor (14) is electrically connected with the controller (2);

the upper surface of the protection box (1) is provided with a material injection pipe (3) communicated with a granary and a forward and reverse rotation motor (4), the bottom end of the material injection pipe (3) extends into the protection box (1) and is provided with a material injection control valve (11), the material injection control valve (11) is positioned right above the weighing hopper (13), and the material injection control valve (11) is electrically connected with the controller (2); the forward and reverse rotation motor (4) is connected with any one screw (9), the forward and reverse rotation motor (4) is electrically connected with the controller (2), and a transmission assembly (7) used for matching the forward and reverse rotation motor (4) to drive all the screws (9) to synchronously rotate is installed at the bottom of the screw (9);

the protection case (1) bottom is run through and is installed filling tube (5), filling tube (5) are located under ejection of compact control valve (6) discharge gate.

2. The dynamic weighing device for the high-precision quantitative packaging machine according to claim 1, wherein: the transmission assembly (7) comprises four transmission belt wheels (701) and four transmission belts (702), wherein the four transmission belt wheels (701) are installed on the outer side of the bottom of the screw rod (9) respectively, and the transmission belts (702) are connected between the four transmission belt wheels (702) in a transmission mode.

3. The dynamic weighing device for the high-precision quantitative packaging machine according to claim 1, wherein: a fixed pipe (10) is installed at the top in the protection box (1), the fixed pipe (10) is located on the outer side of the material injection pipe (3), and a soft cloth bag (12) is connected between the fixed pipe (10) and the material injection hopper.

4. The dynamic weighing device for the high-precision quantitative packaging machine according to claim 1, wherein: and a fixing ring (1301) is installed on the outer side of the bottom of the weighing hopper (13), and the fixing ring (1301) is connected with the surface of the weighing sensor (14).

5. The dynamic weighing device for the high-precision quantitative packaging machine according to claim 1, wherein: and a telescopic hose (17) is connected between the filling pipe (5) and the discharge hole of the discharge control valve (6).

6. The dynamic weighing device for the high-precision quantitative packaging machine according to claim 1, wherein: an observation window (101) is embedded in the side face of the protection box (1).

7. The dynamic weighing device for the high-precision quantitative packaging machine according to claim 6, wherein: the back side surface of the protection box (1) is hinged with a split door with a lockset.