CN216581349U

CN216581349U - Circulation bag conveying system

Info

Publication number: CN216581349U
Application number: CN202121592157.XU
Authority: CN
Inventors: 罗邦毅; 汪雷春; 庄谦
Original assignee: Hangzhou Youngsun Intelligent Equipment Co Ltd
Current assignee: Hangzhou Youngsun Intelligent Equipment Co Ltd
Priority date: 2021-05-28
Filing date: 2021-07-13
Publication date: 2022-05-24
Anticipated expiration: 2031-07-13
Also published as: CN216943823U; CN215753341U; CN216916517U; CN115402584A; CN215753374U; CN115402593A; CN216581324U; CN216916521U

Abstract

The utility model provides a circulating bag feeding system which comprises a circulating mechanism and a power device for driving the circulating mechanism to rotate, wherein a plurality of bag clamping mechanisms are distributed on the circulating mechanism along the circulating movement direction; the bag clamping mechanism comprises a left bag clamping assembly, a right bag clamping assembly and a bag clamping adjusting mechanism, the left bag clamping assembly and the right bag clamping assembly are connected with the bag clamping adjusting mechanism, the bag clamping adjusting mechanism and the bag clamping assembly are respectively driven by an independently controllable power device, and the bag clamping adjusting mechanism is driven by the power device to independently adjust the distance between the left bag clamping assembly and the right bag clamping assembly; the power device of the bag clamp assembly and the bag clamp assembly are driven by the bag clamp adjusting mechanism to move together, and the bag clamp in the bag clamp assembly is controlled to be opened and closed independently. The circulating bag feeding system provided by the utility model can be applied to filling equipment such as a bag feeding and packaging machine and the like, can independently adjust the distance of the bag clamp, independently control the opening time of the bag clamp, is convenient to control and remove unqualified bags, and provides high-quality and high-reliability bag conveying work.

Description

Circulation bag conveying system

Technical Field

The present invention relates to an endless bag feeding system, and more particularly to an endless bag feeding system used in a filling machine for filling bags, such as a bag feeding and packaging machine.

Background

A filling machine using bags as packaging containers is provided with a plurality of groups of bag clamping mechanisms which do circular motion.

Conventionally, the distance between the left and right bag clamps in the bag clamping mechanism is adjusted by a mechanical control mechanism provided on the movement path of the bag clamping mechanism. When the distance between the bag clamps needs to be adjusted or the time for opening the bag clamps needs to be changed when changing the specification or some specified stations, the bag clamps cannot be adjusted randomly, the disassembly is troublesome, and the adaptability is poor.

Conventionally, a mechanical self-clamping mechanism is used as a clamp in a bag clamping mechanism, a bag is always clamped by the pressure of a spring, a mechanical control mechanism is arranged on a circulating motion path of the bag clamping mechanism, and when the clamp is opened at a specified station, the bag clamp is pushed open by the mechanical control mechanism at the position. The prior filling machine generally controls the opening of the bag clamp only at a bag inlet station and a bag outlet station by a mechanical control structure at the corresponding stations, and cannot set a bag clamp opening control structure at the bag opening, filling and sealing stations. Therefore, bags which are not opened or filled cannot be removed in the conveying process, and only flow out of the bag outlet station according to the process, and are manually picked out after the bag outlet station, so that the inspection workload and the risk of mixing of the non-packaged bags into finished products are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circulating bag feeding system which is convenient to control and can independently and flexibly adjust the distance between bag clamps. Therefore, the utility model adopts the following technical scheme:

a circulating bag feeding system comprises a circulating mechanism and a power device for driving the circulating mechanism to rotate, wherein a plurality of bag clamping mechanisms are distributed on the circulating mechanism along the circulating movement direction; the bag clamping mechanism is characterized by comprising a left bag clamping assembly, a right bag clamping assembly and a bag clamping adjusting mechanism, wherein the left bag clamping assembly and the right bag clamping assembly are connected with the bag clamping adjusting mechanism; the power device of the bag clamp assembly and the bag clamp assembly are driven by the bag clamp adjusting mechanism to move together, and the bag clamps in the bag clamp assembly are controlled to be opened and closed independently.

On the basis of the technical scheme, the utility model can also adopt the following further technical schemes or combine the further technical schemes for use:

the circulating mechanism is a steering wheel, and a cover plate is installed on the steering wheel.

The power device of the bag clamp adjusting mechanism adopts a motor, and the power device of the bag clamp assembly adopts an air cylinder; the air cylinders of the bag clamping assembly are communicated with the control valves through connecting pipes, each group of bag clamping mechanisms is correspondingly provided with one control valve, each air cylinder control valve is connected to a switching device through a connecting pipe, and the switching device is fixedly arranged at the upper end of a main shaft of the circulating bag conveying system, is coaxial with the main shaft and rotates along with the main shaft; the main shaft is rotationally connected with the outer shaft through a bearing, and the outer shaft is fixedly connected to the rack.

And a control piece is arranged at the position where the bag clamp needs to be opened, the control piece is driven by power to control the opening time, and the control piece is matched with the cylinder control valve to carry out on-off control.

The bag clamp adjusting mechanism is provided with a mounting frame, the mounting frame is connected with the circulating mechanism, and the control valve is arranged on the back face of the mounting frame.

And the mounting part of the control part is fixed on the upper end surface of the outer shaft.

The lead of the power device of each group of bag clamp adjusting mechanisms penetrates through the center hole of the main shaft, the lead is connected with a conductive mechanism arranged at the bottom end of the main shaft, and the conductive mechanism adopts a contact type conductive mode.

Or the control element and the power of the control element can be replaced by a rotary controller, the power device of the bag clamp adjusting mechanism adopts a motor, and the power device of the bag clamp assembly adopts a cylinder; the air cylinder of the bag clamping assembly is communicated with the control valve through a connecting pipe, each group of bag clamping mechanisms is correspondingly provided with one control valve, the circulating bag conveying mechanism is provided with a rotary controller, the rotary controller is arranged on a main shaft of the circulating mechanism, and the rotary controller is in signal connection with the controller of the control valve.

By adopting the technical scheme, the circulating bag feeding system provided by the utility model can be applied to filling equipment such as a bag feeding and packaging machine and the like, can independently adjust the distance of the bag clamp, independently control the opening time of the bag clamp, is convenient to control and remove unqualified bags, and provides high-quality and high-reliability bag conveying work.

Drawings

Fig. 1 is a schematic view of a bag-feeding and packaging machine to which the present invention is applied.

Fig. 2 is a schematic view of fig. 1 with the steering wheel cover hidden.

Figure 3 is a schematic view of another embodiment of the present invention employing a bag clamp assembly.

Fig. 4 is a side view of the embodiment of fig. 1.

Fig. 5 is a top view of the embodiment of fig. 1.

Fig. 6 is a sectional view B-B of fig. 5.

Detailed Description

Reference is made to the accompanying drawings. The utility model provides a circulating bag feeding system which comprises a main shaft 600, a steering wheel 300 and a turntable power 301 for driving the steering wheel to rotate, wherein a plurality of groups of bag clamping mechanisms are circumferentially distributed on the steering wheel 300, and a cover plate 302 is arranged on the steering wheel 300.

Press from both sides bag mechanism and include that left bag presss from both sides subassembly 101, right bag presss from both sides subassembly 102 and bag and press from both sides adjustment mechanism, and bag presss from both sides adjustment mechanism sets up left mount pad 11, right mount pad 12 and horizontal straight line adjustment structure and horizontal straight line guiding mechanism, left mount pad 11, right mount pad 12 with horizontal straight line adjustment structure connects, and bag presss from both sides adjustment mechanism is driven by independently controllable power device 20, and power device 20 drives horizontal straight line adjustment structure work, and then drives left mount pad 11, right mount pad 12 linear motion, and left bag presss from both sides subassembly 101 and right bag presss from both sides subassembly 102 and is connected with left mount pad 11 and right mount pad 12 respectively, and by independent control interval. Horizontal straight line guiding mechanism sets up guide rail and left and

right slider

31, 32, left side mount pad 11, right mount pad 12 respectively with left and

right slider

31, 32 fixed connection, left and

right slider

31, 32 respectively with left and

right guide rail

33, 34 sliding connection,

guide rail

33, 34 are installed on mounting bracket 4, mounting bracket 4 and steering wheel 300 fixed connection. The power unit 20 is fixed to the mounting frame 4. The power unit 20 may also be fixed to the turntable 300, or to both the mounting frame 4 and the turntable 300.

Power device 20 can be cylinder, electric cylinder or motor, and this embodiment is for adopting the motor, horizontal straight line adjustment mechanism can be motor drive lead screw motion, drives both ends screw cover and keeps away from and be close to the structure of motion to adjust the distance between the bag clamp subassembly about, including the lead screw that the level set up, revolve to opposite left screw cover and right screw cover, the lead screw revolves to opposite threaded

rod

23, 24 for controlling and corresponds with left screw cover and right screw cover respectively and be connected, left side screw cover, right screw cover set up respectively on left mount pad 11, right mount pad 12, and left mount pad 11 and right mount pad 12 can synchronous reverse motion. The screw rod can be not a whole screw rod but a left screw rod and a right screw rod, the structure of the screw rod and the structure of the nut sleeve can be replaced by a gear and a rack structure, or threaded holes are directly formed in the left mounting seat and the right mounting seat and are matched with the screw rod.

The left bag clamp assembly 101 and the right bag clamp assembly 102 are respectively provided with an independently controllable power device to independently drive the bag clamps in the bag clamp assembly, the power devices in the left bag clamp assembly 101 and the right bag clamp assembly 102 are respectively installed on the left installation seat 11 and the right installation seat 12 and respectively move together with the left installation seat 11 and the right installation seat 12, and the bag clamps in the left bag clamp assembly 101 and the right bag clamp assembly 102 can be driven to open and close at any interval.

The bag clamp assembly is provided with a first bag clamping piece 51 and a second bag clamping piece 52, the first bag clamping piece 51 and the second bag clamping piece 52 are combined to form a bag clamp, the bag clamp assembly is further provided with a protective installation piece 6, the power device is arranged in the protective installation piece 6 (shielded by the protective installation piece 6 and not shown in the drawing), the protective installation piece 6 is fixedly connected with the installation seat (fixedly connected with the left installation seat 11 or the right installation seat 12 according to the position), the first bag clamping piece 11 is connected with a movable connecting piece 54 of the power device, and the power device independently drives the first bag clamping piece 51 to open and close according to needs so as to open or close the bag clamp.

The bag clamping members of the bag clamping assembly can also be driven to open and close by a gear rack mechanism (as shown in fig. 3, wherein, for convenience of correspondence, the two bag clamping members are respectively denoted by 51b and 52b, and the power device is denoted by 50 b).

The power device of the bag clamp assembly can be an air cylinder, an electric cylinder or a motor, and the air cylinder is adopted in the embodiment.

The bag clamp assemblies mounted on the left mounting seat 11 and the right mounting seat 12 may be single-station bag clamps (as shown in fig. 1 and 2), or two-station bag clamps (as shown in fig. 3) or more-station bag clamps arranged in front and back.

The air cylinders of the bag clamping assembly are communicated with a controller (a pneumatic control valve 5) through a connecting pipe 501, each bag clamping mechanism (a left bag clamping mechanism and a right bag clamping mechanism) is correspondingly provided with a control valve 5, the control valves 5 are installed at the back of the mounting frame 4 and rotate along with the mounting frame, each air cylinder control valve 5 is connected to a switching device 400 (an air path distribution channel) through a connecting pipe 504, the switching device 400 is fixedly installed at the upper end of a steering wheel main shaft 600, is coaxial with the main shaft 600 and rotates along with the main shaft 600, and the steering wheel 300 is fixedly connected with the main shaft 600; the main shaft 600 is rotatably connected to an outer shaft 601 through a bearing 602, and the outer shaft 601 is fixedly connected to the frame 700. The main shaft 600 is a hollow shaft, and the air vent pipeline connected with the outside of the adapter 400 is routed from the inside of the main shaft 600. The switching device 400 and the control valves 5 may be separately arranged in the above-mentioned manner, or the switching device 400 may be a gas path rotary distributor, the gas path rotary distributor is provided with the control valves 5 corresponding to the power of each bag clamping mechanism, and the program gives a signal to the control valves to control the opening and closing of the bag clamping mechanisms.

A control member 510 is arranged at a position where the bag clamp needs to be opened, the control member 510 is connected with power (an air cylinder 511), the air cylinder 511 drives the control valve 5 to be opened (namely, the control valve 5 extends forwards in the radial direction to be matched with the control valve 5), and the control valves 5 of different bag clamping mechanisms are independently controlled. The mounting member (cylinder 511) of the control member 510 is fixedly mounted, and in this embodiment, is fixed to the upper end surface of the outer shaft 601, and the control member 510 is fitted to the cylinder control valve 5 passing right in front of the mounting member, and controls opening and closing of the cylinder control valve 5 to individually control opening and closing of the bag holder. The motor lead of each group of bag clamp adjusting mechanisms penetrates through a center hole of the main shaft, the lead is connected with a conductive mechanism 601 arranged at the bottom end of the main shaft, and the conductive mechanism 601 adopts a contact type conductive mode, such as a collecting ring, a slip ring and the like.

If the power device of the bag clamp assembly adopts an electric cylinder, the control valve 5 can be other electric controllers. Controls 510 are respective controllers. Or the power of the control element 510 and the control element can be replaced by a rotary controller, the rotary controller can adopt a rotary encoder, the rotary encoder is arranged on the main shaft 600, a designated rotation angle of the rotary encoder is set through a program and is matched with a position where a designated station needs to control opening and closing of the bag clamp, when the rotary encoder rotates to the designated angle, the rotary encoder sends information to a controller of the control valve 5, and the controller of the control valve 5 correspondingly controls the bag clamping mechanism reaching the position to perform opening and closing actions, so that the control is convenient.

The working principle of the circulating bag feeding system of the utility model is as follows: the turntable power device 301 drives the main shaft 600 and the steering wheel 300 to rotate, and drives the bag clamping mechanisms to rotate according to a circulating motion route, so that conveying is performed. The bag clamp adjusting mechanism adjusts the distance between the left mounting seat 11 and the right mounting seat 12 through a motor, and meets working requirements of stations, such as the requirement of reducing the distance before a bag opening station and the requirement of straightening before a sealing station. The bag clamp assembly drives the bag clamp to open and close through the air cylinder, the control piece 510 controls the air cylinder control valve 5 to be opened and closed at the bag inlet station and the bag outlet station, and the bag clamp is opened to finish bag receiving and bag conveying work. Similarly, at other stations needing to remove the bags, for example, at any station after the bag opening detection station, a bag removing station is arranged, and the bag clamp is opened in the above manner through program control to remove the unqualified bags.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "inside", "horizontal", "end", "length", "outer end", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The terms "first" and "second" are also used for brevity of description only and do not indicate or imply relative importance.

The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.

Claims

1. A circulating bag feeding system comprises a circulating mechanism and a power device for driving the circulating mechanism to rotate, wherein a plurality of bag clamping mechanisms are distributed on the circulating mechanism along the circulating movement direction; the bag clamping mechanism is characterized by comprising a left bag clamp assembly, a right bag clamp assembly and a bag clamp adjusting mechanism, wherein the left bag clamp assembly and the right bag clamp assembly are connected with the bag clamp adjusting mechanism; the power device of the bag clamp assembly and the bag clamp assembly are driven by the bag clamp adjusting mechanism to move together, and the bag clamps in the bag clamp assembly are controlled to be opened and closed independently.

2. The bag circulating and feeding system of claim 1, wherein the circulating mechanism is a steering wheel, and a cover plate is mounted on the steering wheel.

3. The bag circulating and feeding system of claim 1, wherein the power device of the bag clamp adjusting mechanism is a motor, and the power device of the bag clamp assembly is a cylinder; the air cylinders of the bag clamping assembly are communicated with the control valves through connecting pipes, each group of bag clamping mechanisms is correspondingly provided with one control valve, each air cylinder control valve is connected to a switching device through a connecting pipe, and the switching device is fixedly arranged at the upper end of a main shaft of the circulating bag conveying system, is coaxial with the main shaft and rotates along with the main shaft; the main shaft is rotationally connected with the outer shaft through a bearing, and the outer shaft is fixedly connected to the rack.

4. The bag circulating and feeding system as claimed in claim 3, wherein a control member is provided at a position where the bag clamp is required to be opened, the control member is driven by power to control the opening timing, and the control member is engaged with the cylinder control valve to perform on-off control.

5. The bag circulating and feeding system of claim 3, wherein the bag clamp adjusting mechanism is provided with a mounting frame, the mounting frame is connected with the circulating mechanism, and the control valve is arranged on the back surface of the mounting frame.

6. The bag recycling system of claim 4, wherein the mounting member of the control member is secured to the upper end surface of the outer shaft.

7. The bag circulating and feeding system as claimed in claim 3, wherein the power unit of each bag holder adjusting mechanism has a lead wire passing through the central hole of the main shaft, the lead wire is connected to a conductive mechanism disposed at the bottom end of the main shaft, and the conductive mechanism is in contact type.

8. The bag circulating and feeding system of claim 1, wherein the power device of the bag clamp adjusting mechanism is a motor, and the power device of the bag clamp assembly is a cylinder; the air cylinder of the bag clamping assembly is communicated with the control valve through a connecting pipe, each group of bag clamping mechanisms is correspondingly provided with one control valve, the circulating bag conveying mechanism is provided with a rotary controller, the rotary controller is arranged on a main shaft of the circulating mechanism, and the rotary controller is in signal connection with the controller of the control valve.