CN219134731U

CN219134731U - Valve port shaping device of packaging bag

Info

Publication number: CN219134731U
Application number: CN202223519959.5U
Authority: CN
Inventors: 林德曼
Original assignee: Haver Technologies Tianjin Co ltd
Current assignee: Haver Technologies Tianjin Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-06
Anticipated expiration: 2032-12-28

Abstract

The utility model provides a valve port shaping device of a packaging bag, which comprises an integrally formed bracket, wherein the bracket comprises a connecting part fixedly connected with a bag clamping device and a mounting part for mounting a shaping device body, the shaping device body comprises a telescopic cylinder fixedly arranged on the mounting part, the telescopic end of the telescopic cylinder is hinged with one end of a rotating plate, the other end of the rotating plate is rotatably connected on the mounting part through a bearing seat, and a swinging rod is fixedly arranged on the mounting part.

Description

Valve port shaping device of packaging bag

Technical Field

The utility model belongs to the technical field of mechanical equipment, and particularly relates to a valve port shaping device of a packaging bag.

Background

In a production line for canning by using a packaging bag, particularly when cement, flour and the like are canned by using a plastic woven bag or a plastic bag, a valve port of the packaging bag is required to be opened by an automatic bag feeding machine and then the packaging bag is inserted into a filling nozzle of a packaging machine, the traditional automatic bag feeding machine is operated by clamping the middle position of the packaging bag through a bag clamping device, then lifting the top of the valve port by a sucker to open the valve port, then grabbing the valve port of the packaging bag by the bag clamping device, inserting the packaging bag into the filling nozzle of the packaging machine, and after the valve port of the packaging bag is opened by the method, the packaging bag is filled into the filling nozzle of the packaging machine, because the roundness of the valve port is insufficient, particularly the packaging bag which is made of soft materials like the plastic woven bag or the plastic bag, the bag feeding success rate of the automatic bag feeding machine is only about 60 percent, so that a plurality of inserted packaging bags fall onto the ground, the workload of workers is increased, and the working efficiency of the automatic bag feeding machine is greatly reduced.

Disclosure of Invention

The utility model aims to solve the problem of providing the valve port shaping device for the packaging bag, which can effectively adjust the roundness of the valve port of the packaging bag, improve the bag feeding success rate of a bag feeding machine, reduce the workload of workers and enlarge the application range of the bag feeding machine.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a valve port shaping device of wrapping bag, includes integrated into one piece's support, the support include with bag holder fixed connection's connecting portion and be used for installing the installation department of shaping device body, shaping device body is including the flexible cylinder of fixed setting on the installation department, the flexible end of flexible cylinder is articulated with the one end of rotor plate to be connected, the other end of rotor plate passes through bearing frame swivelling joint on the installation department, the fixed pendulum rod that is provided with in the installation department, the free end bolted connection of pendulum rod has the conical head.

Further, a U-shaped through hole is formed in the mounting portion, the bearing seat is fixedly arranged on the lower end face of the mounting portion and located on two sides of the U-shaped through hole, and the rotating plate penetrates through the U-shaped through hole and is in rotary connection with the bearing seat through a rotating shaft.

Further, one end of the swing rod is fixedly arranged on the connecting plate, and the swing rod is fixed on the rotating plate through a connecting plate bolt.

Further, the fixed plate is fixedly arranged on one side of the installation part, which is positioned on the rotating plate, the arc-shaped through holes are formed in the fixed plate, and the proximity position sensor is fixedly arranged in the arc-shaped through holes.

Compared with the prior art, the utility model has the advantages and beneficial effects that:

according to the valve port shaping device, the valve port shaping device is arranged on the bag holder, after the bag holder opens the valve port of a packaging bag, the expansion end of the expansion cylinder is controlled to extend, the rotating plate is driven to rotate, the swing rod is driven to rotate, the conical head on the swing rod is inserted into the valve port to shape the valve port, the roundness of the valve port is improved, the bag loading success rate of a bag loading machine is effectively improved, the workload of workers is reduced, and the valve port shaping device has a great effect on the valve port shaping effect of the packaging bag with soft materials such as plastic woven bags or plastic bags, so that the bag loading machine can be suitable for packaging bags with different materials, and the application range is enlarged.

Drawings

Fig. 1 is a schematic view showing the structure of the valve port shaper for a package of the present utility model in an initial position.

Fig. 2 is a schematic top view of fig. 1.

Fig. 3 is a schematic view showing the construction of the valve port shaper for a package according to the present utility model in an operative position.

Fig. 4 is a schematic view showing the structure of the valve port shaper and bag holder of a package in an initial state of assembly.

Fig. 5 is a schematic structural view showing an operation state of the valve port shaper and the bag holder assembly of the packaging bag according to the present utility model.

In the figure: 1-a bracket; a 2-connection; 3-an installation part; 4-a telescopic cylinder; 5-rotating plate; 6-bearing seats; 7-swinging rod; 8-a conical head; 9-U-shaped through holes; 10-rotating shaft; 11-connecting plates; 12-fixing plates; 13-arc-shaped through holes; 14-proximity position sensor.

Detailed Description

The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.

As shown in fig. 1-3, a valve port shaping device of wrapping bag, including integrated into one piece's support 1, integrated into one piece's structure makes the wholeness of support 1 good, and structural strength is high, support 1 includes connecting portion 2 with bag holder fixed connection and is used for installing shaping device body's installation department 3, shaping device body is including fixing the telescopic cylinder 4 that sets up on installation department 3, telescopic cylinder 4's telescopic end is articulated with the one end of rotor plate 5 to be connected, the other end of rotor plate 5 passes through bearing frame 6 swivelling joint on installation department 3, the fixed pendulum rod 7 that is provided with in installation department 3, pendulum rod 7's free end bolted connection has conical head 8, pendulum rod 7 and conical head 8 bolted connection can be to the size of different valve ports size change conical head 8, and it is convenient to change, and application scope is wider.

The valve port shaping device is arranged on the bag holder through the connecting part 2, and after the bag holder opens the valve port of a packaging bag, the expansion end of the expansion cylinder 4 is controlled to be elongated to drive the rotary plate 5 to rotate, so as to drive the swing rod 7 to rotate, the conical head 8 on the swing rod 7 is inserted into the valve port of the packaging bag to shape the valve port, the roundness of the valve port is improved, the bag loading success rate of a bag loading machine is effectively improved, the working stability of the bag loading machine is improved, the workload of workers is reduced, and the valve port shaping device has a great effect on the valve port shaping effect of the packaging bag with softer materials such as plastic woven bags or plastic bags, so that the bag loading machine can be suitable for packaging bags with different materials, and the application range is enlarged.

Further, a U-shaped through hole 9 is provided on the mounting portion 3, the bearing seat 6 is fixedly provided on the lower end surface of the mounting portion 3 and located at two sides of the U-shaped through hole 9, the rotating plate 5 passes through the U-shaped through hole 9 and is rotatably connected with the bearing seat 6 through a rotating shaft 10, wherein the rotating shaft 10 penetrates through the rotating plate 5 and is fixedly connected with the rotating plate 5, and two free ends of the rotating shaft 10 are rotatably connected with the bearing seat 6, so that the rotating plate 5 rotates by taking the rotating shaft 10 as a center point.

Specifically, during initial position, the rotor plate 5 sets up perpendicularly in U type through-hole 9, and during the beginning work, the extension end of flexible cylinder 4 extends, drives rotor plate 5 and arrives the operational position after 90 degrees rotations toward the opening direction of U type through-hole 9.

Further, one end of the swing rod 7 is fixedly arranged on the connecting plate 11, the swing rod 7 is fixed on the rotating plate 5 through bolts of the connecting plate 11, and the installation structure is simple and convenient to replace and overhaul the swing rod 7.

The swing rod 7 is arranged vertically to the vertical surface of the rotating plate 5, and after the telescopic cylinder controls the rotating plate 5 to rotate 90 degrees to reach the working position, the swing rod 7 can be effectively ensured to rotate 90 degrees to reach the designated working position, so that the conical head 8 performs shaping operation on the valve port of the packaging bag.

Further, a fixed plate 12 is fixedly arranged on one side of the mounting portion 3, which is located on the rotating plate 5, an arc-shaped through hole 13 is formed in the fixed plate 12, an approaching position sensor 14 is fixedly arranged in the arc-shaped through hole 13, the rotating plate 5 can be detected by the approaching position sensor 14 through arranging the approaching position sensor 14 on one side of the rotating plate 5 in an initial position, the rotating plate 5 cannot be detected by the approaching position sensor 14 in a working position, the rotating plate 5 is detected again by the approaching position sensor 14 when the device returns to the initial position from the working position after one working period, a signal can be transmitted to a control system of a bag feeding machine by the approaching position sensor 14, and then a shaped packaging bag valve port is inserted into a filling nozzle of a packaging machine by controlling a bag clamping device.

In addition, through the arrangement of the arc-shaped through holes 13, the installation position of the proximity position sensor 14 can be conveniently adjusted according to actual conditions.

This novel working process does: as shown in fig. 4, in an initial state diagram of assembling the valve port shaping device and the bag holder of the packaging bag, the valve port shaping device is fixedly arranged on the bag holder through the connecting part 2 of the bracket 1, at the moment, the telescopic end of the telescopic cylinder 4 of the valve port shaping device is in a contracted state, the swinging rod 7 and the conical head 8 are far away from the bag holder, after the bag holder opens the valve port of the packaging bag and conveys the valve port to a designated position, the telescopic end of the telescopic cylinder 4 is controlled to stretch, as shown in fig. 5, in an operating state diagram of assembling the valve port shaping device and the bag holder of the packaging bag, at the moment, the telescopic cylinder 4 stretches to drive the rotating plate 5 and the swinging rod 7 to rotate 90 degrees, the conical head 8 is opposite to the valve port of the packaging bag and enters the valve port of the packaging bag to carry out shaping operation, after shaping is completed, the telescopic end of the telescopic cylinder 4 contracts, the swinging rod 7 and the conical head 8 return to the initial position, the approaching position sensor 14 detects that the rotating plate 5 returns to the original position, and a signal is fed back to a control system of the bag loading machine, and then the bag holder is controlled to insert the shaped packaging bag onto a filling nozzle of the packaging bag, so that the bag loading action is completed.

In addition, the telescopic cylinder 4 can control the time after extension through the time relay, so that the shaping time of the conical head 8 to the valve port is controlled, the roundness of the valve port is better optimized, and the bag feeding success rate of a bag feeding machine is ensured.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a valve port plastic device of wrapping bag which characterized in that: including integrated into one piece's support, the support include with bag holder fixed connection's connecting portion and be used for installing the installation department of shaping device body, shaping device body is including fixed the flexible cylinder that sets up on the installation department, the flexible end of flexible cylinder is articulated with the one end of rotor plate and is connected, the other end of rotor plate passes through bearing frame swivelling joint on the installation department, the fixed pendulum rod that is provided with in the installation department, the free end bolted connection of pendulum rod has the conical head.

2. The valve port shaping device of a package as set forth in claim 1, wherein: the mounting part is provided with a U-shaped through hole, the bearing seat is fixedly arranged on the lower end face of the mounting part and positioned on two sides of the U-shaped through hole, and the rotating plate penetrates through the U-shaped through hole and is in rotary connection with the bearing seat through a rotating shaft.

3. The valve port shaping device of a package as set forth in claim 1, wherein: one end of the swing rod is fixedly arranged on the connecting plate, and the swing rod is fixed on the rotating plate through a connecting plate bolt.

4. The valve port shaping device of a package as set forth in claim 1, wherein: the fixed plate is fixedly arranged on one side of the installation part, which is positioned on the rotating plate, the fixed plate is provided with an arc-shaped through hole, and an approaching position sensor is fixedly arranged in the arc-shaped through hole.