CN216916521U

CN216916521U - Bag clamping mechanism

Info

Publication number: CN216916521U
Application number: CN202121589978.8U
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: 2022-07-08
Anticipated expiration: 2031-07-13
Also published as: CN216943823U; CN115402593A; CN216916517U; CN216581324U; CN216581349U; CN215753341U; CN115402584A; CN215753374U

Abstract

The utility model provides a bag clamping mechanism which comprises a bag clamping assembly and a mounting seat, wherein the bag clamping assembly is provided with a first bag clamping piece and a second bag clamping piece, and the first bag clamping piece and the second bag clamping piece are combined into a bag clamp; the bag clamp assembly is further provided with a power mechanism and one or more bag clamps, the one or more bag clamps are driven by the power mechanism to synchronously rotate by taking respective rotating shafts as fulcrums, and the power mechanism independently drives the bag clamps to open and close. According to the utility model, the independently controllable power mechanism is arranged in the bag clamping assembly, so that the single group of bag clamping assemblies can be opened and closed at any time according to the requirements, and when the bag clamping assembly is applied to a bag feeding packaging machine, waste bags can be removed in time, and the working efficiency is improved. In addition, the bag clamping mechanism can be provided with a plurality of pairs of bag clamps, a plurality of bags can be clamped simultaneously, and the working efficiency of the filling machine is improved.

Description

Bag clamping mechanism

Technical Field

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

Background

Various bags, boxes, sleeves, envelopes and the like made of paper, aluminum foil, fibers, plastic films and composites thereof belong to soft bag packages, and a rotary filling and sealing bagging machine is equipment for the soft bag packages and generally comprises a bag feeding unit, a bag opening unit, a filling unit and a sealing unit.

The prior bag feeding type filling machine generally controls the opening of a bag clamp only at a bag feeding station and a bag discharging station by a mechanical control structure at the corresponding stations, and cannot be provided with 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, and only flow out of the bag outlet station according to the flow, 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 in finished products are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bag clamping mechanism which can flexibly and independently open and close a bag clamp by using a self-contained power mechanism and overcomes the problems in the background art. Therefore, the utility model adopts the following technical scheme:

a bag clamping mechanism comprises a bag clamping assembly and a mounting seat, wherein the bag clamping assembly is provided with a first bag clamping piece and a second bag clamping piece, and the first bag clamping piece and the second bag clamping piece are combined into a bag clamp; the bag clamp assembly is characterized in that the bag clamp assembly is also provided with a power mechanism and one, two or more bag clamps, the power mechanism drives the one, two or more bag clamps to synchronously rotate by taking respective rotating shafts as fulcrums, and the power mechanism independently drives the bag clamps to open and close.

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

the bag presss from both sides the subassembly and still sets up the protection installed part, power unit sets up the rack driving medium, the rack driving medium sets up in the protection installed part, protection installed part and mount pad fixed connection, first bag spare and the second of pressing from both sides is pressed from both sides the bag spare and is installed on the protection installed part, the bag clamp that first bag spare and the second of pressing from both sides bag spare combination passes through the gear and is connected with the rack driving medium.

The protection installed part is that the arm form stretches out in the place ahead of mount pad, the rack driving spare sets up along the length direction of protection installed part, a plurality of bag presss from both sides and arranges along the length direction of protection installed part.

The first bag clamping piece and the second bag clamping piece are respectively provided with a gear, the gear of the first bag clamping piece is meshed with the rack transmission piece, and the gear of the second bag clamping piece is meshed with the gear of the first bag clamping piece.

The pocket clip assembly is provided with a structure for preventing the rack transmission member from rotating, wherein the rotation means that the rack transmission member rotates along an axis parallel to the rack.

The structure for preventing rotation of the rack transmission member includes: the side of rack drive spare sets up rather than parallel and the direction setting element that links together, the protection installed part sets up the direction locating hole with direction setting element complex, the rack drive spare also sets up the direction position, the protection installed part still sets up the guiding hole that supplies rack drive spare to insert and lead the position direction to it.

The protective mounting piece is formed by connecting an upper assembly and a lower assembly, the lower assembly is used for mounting the first bag clamping piece and the second bag clamping piece, and the upper assembly is provided with a hole for allowing a shaft of the first bag clamping piece and a shaft of the second bag clamping piece to pass through; the gear is arranged in an inner cavity formed by combining the upper assembly and the lower assembly.

The rack transmission part is provided with a plurality of sections of racks, and each section of rack corresponds to one bag clamp.

The first bag clamping piece and the second bag clamping piece both adopt clamping blocks.

The bag clamp device is provided with a left bag clamp assembly, a right bag clamp assembly, a left mounting seat, a right mounting seat, a horizontal linear adjusting mechanism and a horizontal linear guide mechanism, wherein the horizontal linear adjusting mechanism is provided with a power mechanism of the adjusting mechanism, and the left mounting seat and the right mounting seat are respectively provided with the left bag clamp assembly and the right bag clamp assembly; left side mount pad, right mount pad with horizontal straight line is adjusted the structural connection, and can be by adjustment mechanism's power unit drive, does not rely on cam mechanism, independently adjusts the interval between the two sets of bag clamp subassemblies about.

Due to the adoption of the technical scheme, the single-group bag clamping assembly can be opened and closed at any time as required by arranging the independently controllable power mechanism in the bag clamping assembly, and when the bag clamping assembly is applied to a bag feeding and packaging machine, waste bags can be removed in time, so that the working efficiency is improved. In addition, the bag clamping mechanism can be provided with a plurality of pairs of bag clamps, a plurality of bags can be clamped simultaneously, and the working efficiency of the filling machine is improved.

Drawings

Fig. 1 is one of the schematic views of an embodiment of the present invention fitting 2 bags.

Fig. 2 is a second schematic view of an embodiment of the utility model adapted to 2 bags.

Fig. 3 is a third schematic view of an embodiment of the utility model adapted to 2 bags.

Fig. 4 is an exploded view of one embodiment of the utility model fitting 2 bags.

Fig. 5 is an exploded view of a second embodiment of the utility model fitted with 2 bags.

Fig. 6 is a schematic view of an embodiment of the utility model fitting 1 bag.

Detailed Description

Reference is made to the accompanying drawings. The bag clamping mechanism comprises a bag clamp assembly and a mounting seat, wherein the bag clamp assembly is provided with a left group and a right group, the left group and the right group are respectively marked with 101 and 102, and correspondingly, the mounting seat is provided with a left mounting seat 11 and a right mounting seat 12 which are respectively provided with the left bag clamp assembly 101 and the right bag clamp assembly 102. The two sets of bag clamp assemblies have the same structure, and one of them is taken as an example for detailed description.

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 into a bag clamp, and the first bag clamping piece 51 and the second bag clamping piece 52 are both provided with clamping blocks and flexible clamping block pads for clamping bags. The bag clamp assembly is further provided with a power mechanism 70 and a plurality of bag clamps, the power mechanism 70 drives the bag clamps to synchronously rotate by taking respective rotating shafts as fulcrums, and the power mechanism 70 independently drives the bag clamps to open and close. The actuating mechanisms of the left bag clamp assembly 101 and the right bag clamp assembly 102 are respectively arranged on the back of the

mounting seats

11 and 12, and the actuating mechanism 70 can adopt an air cylinder or an electric cylinder.

The bag clamp assembly is further provided with a protective installation piece, and the protective installation piece is fixedly connected with the installation base (the left installation base 11 or the right installation base 12 according to the position).

The power mechanism is provided with a rack transmission piece 7, the rack transmission piece 7 is arranged in a protective installation piece, the protective installation piece is fixedly connected with the installation seat, the first bag clamping piece 51 and the second bag clamping piece 52 are installed on the protective installation piece, and a bag clamp formed by combining the first bag clamping piece 51 and the second bag clamping piece 52 is connected with the rack transmission piece 7 through a gear.

The protective mounting piece extends out of the front of the mounting seat in an arm shape, and the outer shape of the protective mounting piece can be a thin cylindrical shape or a thin rectangular cylindrical shape or other shapes. The rear end of the guard mounting is mounted in the mounting hole 10 of the mounting. The rack transmission member 7 is provided along the length direction of the protective installation member, and the plurality of pocket clamps are arranged along the length direction of the protective installation member.

The first bag clamping member 51 and the second bag clamping member 52 are respectively provided with

gears

71 and 72, the gear 71 of the first bag clamping member is meshed with the rack transmission member 7, and the gear 72 of the second bag clamping member is meshed with the gear 71 of the first bag clamping member.

The rack transmission member 7 is provided with a plurality of sections of racks (in this embodiment, a first section 7a and a second section 7b are connected), and each section of rack corresponds to one pocket clip and is meshed with the gear 71 of the corresponding pocket clip. When the bag holders are provided in plural, the number of the rack pitch in the rack transmission member 7 may be different from the number of the bag holders but less than the number of the bag holders, so that the gear (e.g., the gear 72) of one bag holder is engaged with the rack, and the gear (e.g., the gear 71) of the other bag holder is connected to the gear (e.g., the gear 72) engaged with the rack through a gear connection structure or other transmission mechanism to be rotated.

The pocket clip assembly is provided with a structure that prevents the rack gear 7 from rotating, which means that the rack gear 7 rotates in an axis parallel to the rack. The structure for preventing rotation of the rack transmission member includes: the side of rack drive spare 7 sets up rather than parallel and the guide positioning piece 73 that links together, the protection installed part sets up the guide positioning hole with guide positioning piece complex and supplies guide positioning piece 73 to insert, the rack drive spare also sets up direction position 74, the protection installed part still sets up the guiding hole that supplies rack drive spare to insert and lead to position 74. The rack gear 7 and the connecting piece 75 of the guiding and positioning piece 73 are also flat, and the mounting hole 10 is also provided with a guiding hole 15 of the connecting piece 75 for guiding the forward and backward movement and preventing the rotation. Further, the protective mounting member and the mounting seat may be provided with an anti-rotation fit therebetween, for example, a plane is provided at a portion of the protective mounting member inserted into the mounting hole 10, or an outer cross-sectional profile of the portion of the protective mounting member inserted into the mounting hole 10 is rectangular.

The protective mounting part is formed by connecting an upper component 61 and a lower component 62, the lower component 62 is used for mounting the first bag clamping piece 51 and the second bag clamping piece 52, and the upper component 61 is provided with holes for the

shafts

510 and 520 of the first bag clamping piece and the second bag clamping piece to pass through; the

gears

71, 72 are disposed in the combined internal cavity of the upper and lower assemblies.

The bag clamping mechanism is also provided with a horizontal linear adjusting mechanism and a horizontal linear guide mechanism, and the horizontal linear adjusting mechanism is provided with a power mechanism 20 of the adjusting mechanism; the left mounting seat 11, the right mounting seat 12 and the horizontal linear adjusting structure are connected and can be driven by a power mechanism of the adjusting mechanism to independently adjust the distance between the left bag clamp assembly and the right bag clamp assembly.

Fig. 4 shows 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, 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, right mount pad, and left mount pad and right mount pad ability synchronous reverse motion. As shown in fig. 1-3, if a double-head motor is used, the screw rod can also be formed by combining two

screw rods

23 and 24 which are horizontally arranged and have opposite rotation directions. The horizontal linear adjusting mechanism can also be a structure matched with a gear and a rack.

Horizontal straight line guiding mechanism includes left slider 31 and its guide rail 33, right slider 32 and guide rail 34, left side mount pad 11, right mount pad 12 are connected with left slider 31 and right slider 32 respectively,

guide rail

33, 34 are fixed on mounting bracket 4. Correspondingly, the power mechanism of the horizontal linear adjusting mechanism, the screw rod mounting rack of the adjusting mechanism and the like can also be arranged on the mounting rack 4. The horizontal linear guide mechanism can also adopt a structure of a sliding bearing and a sliding rod.

The mounting frame 4 of the bag clamp adjusting mechanism is fixed on a steering wheel of the bag feeding and packaging machine. Reference numeral 201 is a clamped bag. Reference numeral 5 is a control mechanism for the air cylinder 70, which is mounted on the back of the mounting 4.

Referring to fig. 6, in the present embodiment, only one pouch holder is provided, each structure of which can be illustrated with reference to fig. 1 to 5, and in fig. 6, reference numerals identical to those of fig. 1 to 5 denote the same meanings.

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, only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, 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 bag clamping mechanism comprises a bag clamping assembly and a mounting seat, wherein the bag clamping assembly is provided with a first bag clamping piece and a second bag clamping piece, and the first bag clamping piece and the second bag clamping piece are combined into a bag clamp; the bag clamp is characterized in that the bag clamp assembly is further provided with a power mechanism and one or more bag clamps, the one or more bag clamps are driven by the power mechanism to synchronously rotate by taking respective rotating shafts as fulcrums, and the power mechanism independently drives the bag clamps to open and close.

2. A bag clamping mechanism as claimed in claim 1, wherein the bag clamp assembly further comprises a protective mounting member, the power mechanism comprises a rack transmission member, the rack transmission member is disposed in the protective mounting member, the protective mounting member is fixedly connected to the mounting base, the first bag clamping member and the second bag clamping member are mounted on the protective mounting member, and the bag clamp formed by the first bag clamping member and the second bag clamping member is connected to the rack transmission member through a gear.

3. A bag clamping mechanism according to claim 2, wherein the guard mounting member extends in an arm shape forwardly of the mounting seat, the rack drive is disposed along the length of the guard mounting member, and the plurality of bag clamps are disposed along the length of the guard mounting member.

4. A bag gripping mechanism according to claim 2, wherein the first and second bag gripping members are provided with respective toothed wheels, the toothed wheel of the first bag gripping member being in meshing engagement with the rack drive member, and the toothed wheel of the second bag gripping member being in meshing engagement with the toothed wheel of the first bag gripping member.

5. A bag clamping mechanism according to claim 2, wherein the bag clamp assembly is provided with formations to prevent rotation of the rack drive, said rotation being of the rack drive about an axis parallel to the rack.

6. A bag clamping mechanism according to claim 5, wherein the means for preventing rotation of the rack drive comprises: the side of rack drive spare sets up rather than parallel and the direction setting element that links together, the protection installed part sets up the direction locating hole with direction setting element complex, the rack drive spare also sets up the direction position, the protection installed part still sets up the guiding hole that supplies rack drive spare to insert and lead the position direction to it.

7. A bag clamping mechanism according to claim 2, wherein said protective mounting member is comprised of an upper member and a lower member, said lower member mounting said first bag clamping member and said second bag clamping member, said upper member having an aperture through which the shaft of said first bag clamping member and said second bag clamping member passes; the gear is arranged in an inner cavity formed by combining the upper assembly and the lower assembly.

8. A bag gripping mechanism according to claim 2, wherein the rack drive member is provided with a plurality of rack sections, each rack section corresponding to a respective bag gripper.

9. A bag gripping mechanism as defined in claim 1, wherein the first bag gripping member and the second bag gripping member each comprise gripping blocks.

10. The bag clamping mechanism according to claim 1, wherein a left bag clamp assembly and a right bag clamp assembly are arranged, a left mounting seat and a right mounting seat are arranged, a horizontal linear adjusting mechanism is arranged on the horizontal linear adjusting mechanism, a power mechanism of the adjusting mechanism is arranged on the horizontal linear adjusting mechanism, and the left mounting seat and the right mounting seat are respectively provided with the left bag clamp assembly and the right bag clamp assembly; left side mount pad, right mount pad with horizontal straight line is adjusted the structural connection, and can be by adjustment mechanism's power unit drive, does not rely on cam mechanism, independently adjusts the interval between the two sets of bag clamp subassemblies about.

11. A bag gripping mechanism according to claim 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10, wherein said plurality of bag grippers are two bag grippers.