CN213139193U

CN213139193U - Automatic weighing and packaging device

Info

Publication number: CN213139193U
Application number: CN202021913997.7U
Authority: CN
Inventors: 周详; 千长春; 王三国; 朱珠; 司腾飞
Original assignee: Henan Gaisen Material Technology Co ltd
Current assignee: Henan Gaisen Material Technology Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-07
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses an automatic weighing and packaging device, which belongs to the technical field of automatic packaging equipment and comprises a feed hopper, a base, a weighing device and a conveying device, wherein the upper side of the base is provided with a lifting column, a screw shaft is arranged in the outlet at the lower end of the feed hopper, the movable end of the lifting column is provided with a motor, the motor is arranged at the outer side of the feed hopper, the motor is in power connection with the screw shaft, the two ends of the screw shaft are respectively provided with a first bearing and a second bearing, and the automatic weighing and packaging device also comprises a control switch, the control switch is integrated with a PLC (programmable logic controller), a liquid crystal display screen, a button and a power switch, the control switch is electrically connected with the lifting column, the weighing device, the conveying device and the motor, and also comprises a packaging bag detection device, the automatic weighing and packaging device is, prevent the overweight of the packaging bag and reduce the weight-average error of the bag.

Description

Automatic weighing and packaging device

Technical Field

The utility model belongs to the technical field of automatic equipment for packing and specifically relates to an automatic packing plant weighs.

Background

Building materials such as cement, putty powder use 10KG, 25 KG's wrapping bag to pack usually when leaving the factory, in the past because production scale is less, and the cost of labor is low, adopts the manual work to connect material, the mode of envelope to pack more, leads to packing weight error great, and packing efficiency is lower, and along with the development of productivity level and cost of labor suddenly rise, automatic packaging equipment replaces manual packaging and has become the mainstream.

In the process of bagging cement, putty powder and other building materials by using the conventional automatic packaging equipment, because the raw materials are in ultrafine particles, the friction force between the particles is large, the materials are not easy to discharge, the diameter of a discharge port of a packaging machine is often large, but the discharge port cannot be closed in time when the materials are stopped, so that the average weight of the bag obviously exceeds the nominal weight, and the error of the average weight of the bag is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides an automatic weighing packing plant, can effective control going on and stopping of blowing, prevent that the wrapping bag is overweight to reduce the equal weight error of bag.

The utility model adopts the technical scheme as follows:

an automatic weighing and packaging device comprises a feed hopper, a base, a weighing device and a conveying device, wherein the weighing device is arranged above the base, the conveying device is arranged right above the weighing device, the feed hopper is arranged above the conveying device, a lifting column is arranged on the upper side of the base, the fixed end of the lifting column is fixedly connected with the base, the movable end of the lifting column is fixedly connected with the feed hopper, a screw shaft is arranged in the outlet at the lower end of the feed hopper, a motor is arranged on the movable end of the lifting column, the motor is arranged outside the feed hopper, the motor is dynamically connected with the screw shaft, a first bearing and a second bearing are respectively arranged at the two ends of the screw shaft, the two ends of the screw shaft are respectively fixedly connected with the inner rings of the first bearing and the second bearing, the outer rings of the first bearing and the second bearing are fixedly connected with the inner wall of the feed, still include control switch, control switch integrated PLC controller, liquid crystal display, button, switch, control switch with lift post, weighing device, conveyor, motor electric connection.

Preferably, still include wrapping bag detection device, wrapping bag detection device with control switch electric connection, wrapping bag detection device includes first infrared emitter, first infrared receiver, second infrared emitter, second infrared receiver, first infrared emitter, second infrared emitter are located respectively the both sides of feeder hopper, first infrared emitter, second infrared emitter all install on the outer wall of feeder hopper, first infrared receiver with first infrared emitter is just right, second infrared receiver with second infrared emitter is just right.

Preferably, the control switch is mounted on the lifting column.

Preferably, the base is provided with a roller frame, the upper end of the roller frame is adjacent to the tail end of the conveying device, the lower end of the roller frame is connected with the tail end of the base, and the distance between the upper end of the roller frame and the tail end of the conveying device is not more than 3 cm.

Preferably, a protective cover is arranged in the feed hopper, the spiral shaft and the transmission part of the motor are arranged in the protective cover, and a universal wheel is arranged below the base.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

(1) the utility model discloses a blowing of screw axis control feeder hopper when the screw axis is rotatory, makes the material in the feeder hopper emit from the opening of below, when the screw axis stops the rotation, because the frictional force effect, the material can the adhesion on the screw axis and stop the whereabouts to can accurate control bag weight uniformity.

(2) The utility model discloses a control switch and weighing device, the linkage of motor is in order to realize automatic weighing and bagging-off, pass through every bag weight of control switch input during the use, and peel the weighing device, then with the sack cover in the exit of feeder hopper, block first infrared emitter, the infrared ray that second infrared emitter sent, then control switch opens the motor automatically and begins the ejection of compact, treat that weighing device surveys weight and equals with predetermined bagging-off weight, control switch self-closing motor, stop the ejection of compact, control switch controls automatic the rotation of conveyor afterwards, the sack that will fill with is carried on the drum stand.

(3) The utility model discloses be equipped with elevating gear, can be according to the height of sack size adjustment feeder hopper to adapt to the filling of different specification wrapping bags.

(4) The screw shaft and the transmission part of the motor are arranged in the protective cover, so that the screw shaft and the transmission part of the motor are prevented from being clamped due to dust pollution, and materials are prevented from leaking out of the feed hopper from the transmission part.

Drawings

Fig. 1 is a front view structure diagram of the present invention.

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

Fig. 3 is an enlarged view at a in bitmap 1.

The labels in the figure are: 1-a feed hopper, 2-a base, 3-a lifting column, 4-a weighing device, 5-a conveying device, 6-a roller frame, 7-a spiral shaft, 8-a motor, 9-a first bearing, 10-a second bearing, 11-a control switch, 12-a first infrared emitter, 13-a first infrared receiver, 14-a second infrared emitter, 15-a second infrared receiver, 16-a protective cover and 17-a universal wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

An automatic weighing and packaging device comprises a feed hopper 1, a base 2, a weighing device 4 and a conveying device 5, wherein the weighing device 4 is arranged above the base, the conveying device 5 is arranged right above the weighing device 4, the feed hopper 1 is arranged above the conveying device 5, universal wheels 17 are arranged below the base 2, the automatic weighing and packaging device is convenient to move, a lifting column 3 is arranged on the upper side of the base 2, the fixed end of the lifting column 3 is fixedly connected with the base 2, the movable end of the lifting column 3 is fixedly connected with the feed hopper 1, the height of the feed hopper 1 can be adjusted through the lifting column 3, a spiral shaft 7 is arranged in an outlet at the lower end of the feed hopper 1, the diameter of a blade of the spiral shaft 7 is equal to the inner diameter of the outlet at the lower end of the feed hopper 1 and used for controlling the falling of materials in the feed hopper 1, a motor 8 is arranged on the movable end of the lifting, the motor 8 is in power connection with the screw shaft 7, the screw shaft 7 is driven by the motor 8 to rotate, a first bearing 9 and a second bearing 10 are respectively arranged at two ends of the screw shaft 7, two ends of the screw shaft 7 are respectively fixedly connected with inner rings of the first bearing 9 and the second bearing 10, outer rings of the first bearing 9 and the second bearing 10 are fixedly connected with the inner wall of the feed hopper 1, rotation and fixation of the screw shaft 7 are facilitated, a protective cover 16 is arranged in the feed hopper 1, a transmission part of the screw shaft 7 and the motor 8 is arranged in the protective cover 16, the phenomenon that the screw shaft and the transmission part of the motor are clamped due to dust pollution is prevented, materials are prevented from leaking out of the feed hopper from the transmission part, the screw shaft type lifting device further comprises a control switch 11, the control switch 11 is arranged on the lifting column, the control switch 11 is integrated with a PLC (programmable logic, The weighing device 4, the conveying device 5 and the motor 8 are electrically connected, the weight of a single bag can be set (selected between 0 and 50 KG) through keys, and the weight is displayed on a liquid crystal display screen.

Still include wrapping bag detection device, whether the wrapping bag has been placed in the exit for detecting feeder hopper 1, wrapping bag detection device and 11 electric connection of control switch, wrapping bag detection device includes first infrared emitter 12, first infrared receiver 13, second infrared emitter 14, second infrared receiver 15, first infrared emitter 12, second infrared emitter 14 is located feeder hopper 1's both sides respectively, first infrared emitter 12, second infrared emitter 14 is all installed on feeder hopper 1's outer wall, first infrared receiver 13 is just right with first infrared emitter 12, second infrared receiver 15 is just right with second infrared emitter 14.

Be equipped with roller frame 6 on the base 2, roller frame 6's upper end is adjacent with conveyor 5's end, and roller frame 6's lower extreme links to each other with base 2's end, and the interval between roller frame 6's upper end and conveyor 5's end is not more than 3 cm.

The automatic control logic: the control switch 11 receives signals of the first infrared receiver 13, the second infrared receiver 15 and the weighing device 4 through the PLC controller, and controls the conveying device 5 and the motor 8 to be started and stopped according to the obtained signals, such as: firstly, the first infrared receiver 13 and the second infrared receiver 15 both receive infrared signals, and the weighing device 4 measures that the weight is 0, and then the conveying device 5 and the motor 8 are both closed; secondly, any one of the first infrared receiver 13 and the second infrared receiver 15 does not receive the infrared signal, and the weighing device 4 measures that the weight is 0, then the conveying device 5 and the motor 8 are both closed; thirdly, the first infrared receiver 13 and the second infrared receiver 15 do not receive the infrared signals, and the motor 8 is started to rotate when the weight measured by the weighing device 4 is less than the set weight of a single bag; and fourthly, the first infrared receiver 13 and the second infrared receiver 15 do not receive the infrared signals, and the weighing device 4 detects that the weight reaches the set weight of the single bag, the motor 8 is closed, and the conveying device 5 is started at the same time.

The working principle is as follows: the utility model discloses a screw axis 7 changes the blowing mode of feeder hopper 1 into the spiral whereabouts by vertical whereabouts, utilizes the frictional force of material, and when screw axis 7 stall, the material can stop the whereabouts immediately to the inhomogeneous condition of material whereabouts when effectively avoiding vertical blowing realizes even blowing, reduces the equal weight error of bag, prevents that the wrapping bag is overweight.

During the use, earlier peel off weighing device 4, in order to deduct conveyor 5's weight, then detain the wrapping bag in the outside of feeder hopper 1 lower extreme export, make the wrapping bag cover first infrared emitter 12, second infrared emitter 14, thereby make first infrared receiver 13, second infrared receiver 15 can't receive infrared signal, control switch 11 starts motor 8 work this moment, begin the blowing, when the weight that weighing device 4 surveyed reaches the single bag weight of setting, control switch 11 closes motor 8, start conveyor 5 simultaneously and carry the bag on drum rack 6, the workman uses handheld electronic bag sealing machine to carry out the package afterwards and can accomplish the packing.

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 principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An automatic weighing and packaging device comprises a feed hopper (1), a base (2), a weighing device (4) and a conveying device (5), wherein the weighing device (4) is arranged above the base, the conveying device (5) is arranged right above the weighing device (4), the feed hopper (1) is arranged above the conveying device (5), the automatic weighing and packaging device is characterized in that a lifting column (3) is arranged on the upper side of the base (2), the fixed end of the lifting column (3) is fixedly connected with the base (2), the movable end of the lifting column (3) is fixedly connected with the feed hopper (1), a screw shaft (7) is arranged in the outlet at the lower end of the feed hopper (1), a motor (8) is arranged on the movable end of the lifting column (3), the motor (8) is arranged on the outer side of the feed hopper (1), and the motor (8) is in power connection with the screw shaft (7), the utility model discloses a spiral shaft's feed hopper, including screw shaft (7), inner circle fixed connection, the both ends of screw shaft (7) be equipped with first bearing (9), second bearing (10) respectively, the both ends of screw shaft (7) respectively with the inner circle fixed connection of first bearing (9), second bearing (10), the outer lane of first bearing (9), second bearing (10) with the inner wall fixed connection of feed hopper (1), still include control switch (11), control switch (11) integrated PLC controller, liquid crystal display, button, switch, control switch (11) with lift post (3), weighing device (4), conveyor (5), motor (8) electric connection.

2. The automatic weighing and packaging device of claim 1, further comprising a package detecting device, the packaging bag detection device is electrically connected with the control switch (11), the packaging bag detection device comprises a first infrared emitter (12), a first infrared receiver (13), a second infrared emitter (14) and a second infrared receiver (15), the first infrared emitter (12) and the second infrared emitter (14) are respectively positioned at two sides of the feed hopper (1), the first infrared emitter (12) and the second infrared emitter (14) are both arranged on the outer wall of the feed hopper (1), the first infrared receiver (13) is opposite to the first infrared transmitter (12), the second infrared receiver (15) is opposite to the second infrared transmitter (14).

3. An automatic weighing and packaging device according to claim 2, characterised in that said control switch (11) is mounted on said lifting column.

4. An automatic weighing and packaging device according to claim 1, characterized in that roller frames (6) are arranged on the base (2), the upper ends of the roller frames (6) are adjacent to the tail end of the conveying device (5), the lower ends of the roller frames (6) are connected with the tail end of the base (2), and the distance between the upper ends of the roller frames (6) and the tail end of the conveying device (5) is not more than 3 cm.

5. An automatic weighing and packaging device as claimed in claim 1, characterized in that a protective cover (16) is arranged in the feed hopper (1), the screw shaft (7) and the transmission part of the motor (8) are arranged in the protective cover (16), and a universal wheel (17) is arranged below the base (2).