CN213377938U - System bag material sieving mechanism that weighs - Google Patents

Abstract

The utility model discloses a bag-making material weighing and screening device, which comprises a weighing and screening mechanism, a first material conveying mechanism arranged at the lower part of the weighing and screening mechanism and a second material conveying mechanism arranged at the lower part of the first material conveying mechanism and having a conveying direction vertical to the conveying direction; the weighing and screening mechanism comprises a hopper for containing bag making materials, a driving mechanism for driving the hopper to swing left and right, and a weighing sensor which is fixedly connected with the lower part of the driving mechanism and senses the weight of the bag making materials. The weighing sensor, the driving mechanism and the hopper are sequentially connected from bottom to top, so that the structure is compact, and the horizontal occupied area is saved; the first material conveying mechanism and the second material conveying mechanism are arranged, so that the labor cost is saved.

Description

System bag material sieving mechanism that weighs

Technical Field

The utility model relates to a material packaging technology field especially relates to a system bag material sieving mechanism that weighs.

Background

In the bag-making material bagging process, when the material is bagged manually or by a machine, the conditions of neglected loading, less loading or more loading (generally called as unqualified) inevitably occur, and in order to realize the bagging uniformity, the material loaded into the bag needs to be weighed and checked, and the unqualified bag-making material is screened out.

The invention discloses a weighing and screening device for automatic feeding, bag making and packaging, and an application number 201822249930.7 discloses a weighing and screening mechanism, wherein bagged materials are thrown onto a belt capable of reversing left and right, and the rotating direction of a motor for driving the belt to rotate is controlled according to the weight of the materials sensed by a weighing sensor arranged at the lower part of the belt so as to screen qualified materials and unqualified materials. This screening mechanism of weighing has following shortcoming:

the weighing and screening mechanism for screening materials occupies a large area;

materials which are not provided with baffles on the two sides of the belt easily fall off from the belt;

this screening mechanism can only filter a system bag material once, and screening efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of this, the main object of the embodiment of the utility model is to provide a system bag material sieving mechanism that weighs for solve the problem that the screening mechanism area occupied of weighing is big.

The utility model discloses it includes that at least one is weighed screening mechanism, each is weighed screening mechanism and is included the hopper of splendid attire system bag material, with the hopper links to each other and drives its horizontal hunting actuating mechanism, in actuating mechanism's lower part links firmly rather than and responds to the weighing sensor of the weight of system bag material, and, according to weighing sensor senses whether the weight of system bag material is controlled between the weight interval of settlement the actuating mechanism drive the hopper horizontal hunting's controller.

By last, weighing sensor, actuating mechanism and hopper from lower to upper connect gradually the setting, compact structure to the level area occupied has been saved.

Preferably, the hopper is of a cylindrical structure, and an opening is formed in the wall of the hopper along the length direction.

Preferably, the system further comprises at least one first material conveying mechanism, wherein each first material conveying mechanism is arranged below the hopper of one of the at least one weighing and screening mechanism, receives qualified bag-making materials thrown by the hopper and conveys the qualified bag-making materials to the accumulation position.

By the above, the first material conveying mechanism for conveying qualified bag making materials is arranged, so that the qualified bag making materials can be conveniently collected, and manpower for conveying the qualified bag making materials is saved.

Preferably, the at least one first material conveying mechanism is arranged side by side with each other, and the at least one weighing and screening mechanism is arranged side by side with each other.

By last, screening mechanism and first material conveying mechanism of weighing set up a plurality ofly respectively, can once filter a plurality of system bag materials to improve screening efficiency.

Preferably, each of the at least one first material conveying mechanism comprises a first belt for conveying qualified bag-making material along the length direction of the corresponding hopper, and a driving member for driving the first belt to rotate.

Preferably, the driving member includes:

a driven driving shaft, on which a plurality of bosses are arranged at intervals,

a plurality of first driven wheels are arranged on the frame,

the first belt is disposed on the driving shaft and the first driven wheel between two adjacent bosses.

By last, when setting up a plurality of one-to-one's screening mechanism and first material conveying mechanism of weighing, set up a plurality of first belts simultaneously in a driven drive shaft for the convenience of arranging, can once drive a plurality of belt drive for compact structure saves occupation space when improving screening efficiency.

Preferably, baffles are respectively arranged along two sides of the conveying direction of each first belt.

By last, be provided with the baffle respectively in the both sides of first belt, can prevent that the material from dropping.

Preferably, the weighing and screening device further comprises at least one second material conveying mechanism, each second material conveying mechanism is arranged at the lower part of one of the at least one first material conveying mechanism to convey unqualified bag-making materials,

each of the at least one second material conveying mechanism comprises a third belt which is arranged at the lower part of the first belt in the corresponding first material conveying mechanism and has a conveying direction perpendicular to the conveying direction,

when the hopper swings to the other side, the hopper is thrown onto the third belt through a gap between two adjacent first belts.

By last, when being provided with first material conveying mechanism, unqualified system bag material falls on the third belt through the clearance between two adjacent first belts to all carry unqualified material collection department with unqualified system bag material, use manpower sparingly, improve automatic.

Preferably, the driving mechanism is a first driving motor.

Drawings

FIG. 1 is a schematic structural view of a bag-making material weighing and screening device;

FIG. 2 is a schematic structural view of a weighing and screening mechanism;

FIG. 3 is a schematic view of the hopper;

FIG. 4 is a schematic structural view of a first material conveying mechanism;

fig. 5 is a schematic structural diagram of a second material conveying mechanism.

Description of the reference numerals

1 weighing and screening mechanism;

11 weighing sensor, 12 first driving motor and 13 hopper;

2, a first material conveying mechanism;

21 a second drive motor, 22 a drive shaft, 23 a first belt, 24 a first driven wheel, 25 a baffle plate, 221 steps;

3 a second material conveying mechanism;

31 a third drive motor, 32 a second belt, 33 a main drive shaft, 34 a third belt, 35 a secondary drive shaft.

Detailed Description

Weighing and screening mechanism 1

As shown in fig. 1 and 2, a bagged material weighing and screening device includes a weighing and screening mechanism, and the weighing and screening mechanism 1 includes a weighing sensor 11, a first driving motor 12 (driving mechanism) disposed on the upper portion of the weighing sensor 11 and fixedly connected thereto, and a hopper 13 connected to a horizontally disposed output shaft of the first driving motor 12. The weighing sensor 11 senses the weight of the first driving motor 12 and the hopper 13 and feeds weight information back to a controller (not shown) of the bag making material weighing and screening device, when bag making materials are thrown into the hopper 13 through a material bagging machine, the weighing sensor 11 senses the change of the weight, namely senses the weight of the bag making materials and feeds the sensed weight information of the materials back to the controller, the controller judges whether the weight of the bag making materials is in a set weight reasonable interval, if so, the controller sends a signal to the first driving motor 12 to control the first driving motor 12 to drive the hopper 13 to rotate towards one side to throw the materials at a material accumulation position with qualified weight; if the weight of the bag making material is not within the set weight reasonable interval, the controller sends a signal to the first driving motor 12 to control the first driving motor to drive the hopper 13 to rotate towards the other side so as to put the material at the position of the material accumulation with unqualified weight.

In some embodiments, as shown in fig. 3, the hopper 13 is a cylindrical structure with an opening along the length of the cylinder wall, and both ends of the cylindrical structure may or may not be closed. One end of the first driving motor is connected with an output shaft of the first driving motor 12, and the first driving motor 12 drives the hopper 13 to swing left and right when rotating forwards and backwards so as to put bag-making materials in the hopper 13 to a qualified or unqualified material accumulation position. The opening on the wall of the hopper 13 is not easy to be too small, otherwise the input and output of bag making materials are influenced.

The weighing screening mechanism 1 has the advantages that the weighing sensor 11 and the first driving motor 12 are arranged up and down, and the hopper 13 driven by the first driving motor 12 to swing left and right is compact in structure and saves occupied space.

First material conveying mechanism 2

The bag-making materials are directly stacked nearby after being screened, which is not beneficial to the boxing of the bag-making materials. In some embodiments, a first material conveying mechanism 2 may be disposed at the lower part of the hopper 13, and the hopper 13 swings to one side to throw bag making material in the hopper 13 onto the first material conveying mechanism 2 and convey the bag making material to a qualified material accumulation place along the length direction of the hopper 13. This setting does not need the qualified system bag material after the manpower transport screening to the human cost has been saved, the automation of screening has been improved.

In order to increase the efficiency of screening bag making materials, in some embodiments, a plurality of bag making materials may be screened simultaneously, and for this purpose, the weighing and screening apparatus may include a plurality of weighing and screening mechanisms 1 and a plurality of first material conveying mechanisms 2, and the plurality of weighing and screening mechanisms 1 and the plurality of first material conveying mechanisms 2 may be disposed in one-to-one correspondence.

In some embodiments, to save space, the plurality of first material conveying mechanisms 2 are arranged side by side with each other, and the plurality of weighing and screening mechanisms 1 are arranged side by side with each other.

In some embodiments, each of the plurality of first material conveying mechanisms 2 includes a second driving motor 21, a driving shaft 22 driven by the second driving motor 21 to rotate, and a first belt 23 sleeved on the driving shaft 22 and a first driven pulley 24 arranged opposite to the driving shaft 22, so that a plurality of second driving motors 21 are required, an output shaft of each second driving motor 21 is perpendicular to a conveying direction of the first belt 23, a distance between each first belt 23 is increased, and a volume of the whole apparatus is increased, for this purpose, the driving shaft 22 is arranged as a long shaft, a plurality of steps 221 are arranged on the driving shaft, each first belt 23 is arranged between two adjacent steps 221, each first driven pulley 24 is arranged opposite to the driving shaft 22, the second driving motor 21 drives the driving shaft 22 to rotate and simultaneously drives the plurality of first belts to convey bag-making materials, and when a hopper 13 arranged at an upper part of each first belt 23 is driven to swing to one side, the bag-making materials are thrown on the first belts 23, the efficiency of screening materials is improved, the number of the second driving motors 21 is saved, and the whole device is compact in structure.

In some embodiments, the above driving shaft 22 may not be provided with a step, and is an optical axis, a plurality of first driving wheels (not shown) are provided at intervals on the driving shaft 22, and the first belt 23 is sleeved on the driving wheels and the first driven wheel 24.

In some embodiments, to prevent bag making material dropped on the first belt 23 from falling, baffles 25 are provided along both sides of the first belt 23 in the conveying direction.

Second material conveying mechanism 3

Unqualified bag making materials screened out in the same way are directly stacked near the weighing and screening mechanism 1, and the materials are carried to and fro to a material recovery and accumulation place in the same way, so that the cost is not saved. For this purpose, in some embodiments, a second material conveying mechanism 3 is provided at a lower portion of the first material conveying mechanism 2, perpendicular to the conveying direction thereof.

In some embodiments, as shown in fig. 5, the second material conveying mechanism 3 includes a third driving motor 31 with a horizontal output shaft, a second driving pulley (not shown) disposed on the output shaft of the third driving motor 31, a second driven pulley (not shown) disposed right above the second driving pulley, and a second belt 32 arranged on the second main and auxiliary belt wheels, the second main and auxiliary belt wheels and the second belt 32 constitute a first belt transmission component of the second material conveying mechanism 3, the driving and driven belt transmission device comprises a main driving shaft 33 coaxially arranged with a second driven pulley, a driven driving shaft 35 parallel and far away from the main driving shaft 33 at the same height, and a third belt 34 which is arranged on the main driving shaft 33 and the driven driving shaft 35, is arranged at the lower part of the first belt 23 and has a vertical conveying direction, wherein the main driving shaft 33, the driven driving shaft 35 and the third belt 34 form a second belt transmission component.

When the unqualified bag-making materials are obliquely thrown onto the third belt 34 at the lower part of the hopper 13 through the gap between two adjacent first belts 23 by the hopper 13, the third belt 34 driven by the third driving motor 31 rotates to convey all the unqualified bag-making materials thrown onto the third belt to an unqualified material accumulation part.

The first material conveying mechanism 2 and the second material conveying mechanism 3 are arranged, and qualified and unqualified bag making materials are automatically conveyed to a material accumulation position, so that manpower is saved for supervision, and automatic operation is easy to realize.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the present invention.

Claims (9)

1. The weighing and screening device for the bag making materials comprises at least one weighing and screening mechanism (1), and is characterized in that each weighing and screening mechanism (1) comprises a hopper (13) for containing the bag making materials, a driving mechanism which is connected with the hopper (13) and drives the hopper to swing left and right, a weighing sensor (11) which is fixedly connected with the lower portion of the driving mechanism and senses the weight of the bag making materials, and a controller which controls the driving mechanism to drive the hopper (13) to swing left and right according to whether the weight of the bag making materials sensed by the weighing sensor (11) is in a set weight interval.

2. A weighing and screening device according to claim 1, characterized in that the hopper (13) is of a cylindrical configuration with openings in the wall along its length.

3. Weighing and screening device according to claim 2, characterized in that it further comprises at least one first material conveying means (2), each first material conveying means (2) being arranged below the hopper (13) of one of said at least one weighing and screening means (1) and receiving and conveying to a accumulation qualified bag-making material dispensed by said hopper (13).

4. A weighing and screening device according to claim 3,

the at least one first material conveying means (2) are arranged alongside one another, and the at least one weighing and screening means (1) are arranged alongside one another.

5. A weighing and screening device according to claim 4, wherein each of said at least one first material conveying mechanism (2) comprises a first belt (23) for conveying acceptable bag-making material along the length of the respective hopper (13), and a drive member for driving said first belt (23) in rotation.

6. A weighing and screening apparatus as claimed in claim 5, wherein said drive member comprises:

a driven driving shaft (22) on which a plurality of bosses (221) are arranged at intervals,

a plurality of first driven wheels (24),

the first belt (23) is sleeved on the driving shaft (22) and the first driven wheel (24) between two adjacent bosses (221).

7. Weighing and screening device according to claim 5, characterized in that baffles (25) are provided along each side of the first belt (23) in the conveying direction.

8. A weighing and screening device according to claim 5 or 6 or 7,

the weighing and screening device also comprises at least one second material conveying mechanism (3), each second material conveying mechanism (3) is arranged at the lower part of one of the at least one first material conveying mechanism (2) to convey unqualified bag-making materials,

each of the at least one second material conveying means (3) comprises a third belt (34) arranged in the lower part of the first belt (23) in the respective first material conveying means (2) with a conveying direction perpendicular thereto,

when the hopper (13) swings to the other side, the material is thrown onto the third belt (34) through a gap between two adjacent first belts (23).

9. A weighing and screening device according to claim 1, characterized in that said drive mechanism is a first drive motor (12).

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