CN209813246U - Valve port paper folding and pasting mechanism - Google Patents

Abstract

The utility model relates to a folding, sticker mechanism are beaten to valve port paper, folding roller set and sticker roller set, its characterized in that: the paper pasting cylinder group comprises a paper pasting cylinder and a second cam assembly, and the paper pasting cylinder assembly is provided with a clamping piece controlled by the second cam assembly; the second cam component comprises a second cam and a second swing arm fixed with the rotating shaft of the clamping piece, the second cam comprises a cam main body and an arc-shaped control part arranged on the end face of the cam main body, the second swing arm is provided with a driven wheel, the driven wheel is matched with the inner side face of the arc-shaped control part, the end part of the sticker cylinder is provided with a second spring for enabling the driven wheel to be attached to the control part, and the end part of the sticker cylinder is provided with an adjusting component for adjusting the radial position of the driven wheel on the cam main body; wherein first swing arm passes through the radial position of adjusting part restriction follow driving wheel for adjust the deflection amplitude of clamping piece, be convenient for simultaneously from the better cooperation of driving wheel and second swing arm.

Description

Valve port paper folding and pasting mechanism

Technical Field

The utility model belongs to the technical field of the technique of container bag processing and specifically relates to a valve port paper is rolled over, is pasted paper mechanism is related to.

Background

The paper bag for filling the granular and powder products needs to be provided with a valve port on one side of the paper bag, the valve port is communicated with the interior of the paper bag, and materials are directly filled into the paper bag through the valve port; in order to increase the rigidity of the valve port, a layer of valve port paper is usually attached to the inner side of the valve port.

In order to increase the hardness of the valve port paper, the valve port paper needs to be folded before being attached to the corresponding position of a paper bag, the valve port paper is matched with a film through a folding roller group and a sticker roller group to complete the film, the folding roller group is provided with folding sheets, the sticker roller group is provided with clamping sheets matched with the folding sheets, when the folding roller group and the sticker roller group rotate to the corresponding position, the folding sheets swing to press the head of the valve port paper into the position where the clamping sheets are located, and the clamping sheets are closed immediately to complete the clamping of the valve port paper. The folding piece and the clamping piece realize periodic movement through the cam, in order to adapt to production, the swing amplitude of the clamping piece needs to be adjusted in a certain space, and the folding and paper sticking mechanism in the prior art cannot realize the function.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a valve port paper is broken over, sticker mechanism for the range of deflecting to the clamping piece is adjusted, is convenient for simultaneously from the better cooperation of driving wheel and second swing arm.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a valve port paper folding and pasting mechanism comprises a folding roller set and a pasting roller set, wherein the folding roller set comprises a folding roller and a first cam assembly, the folding roller is provided with a folding shaft controlled by the first cam assembly, and the folding shaft is provided with a folding piece; the paper pasting cylinder group comprises a paper pasting cylinder and a second cam assembly, and the paper pasting cylinder assembly is provided with a clamping piece controlled by the second cam assembly; second cam subassembly include the second cam, with the fixed second swing arm of the pivot of clamping piece, the second cam include the cam main part and set up in the curved control part of the terminal surface of cam main part, the second swing arm is equipped with from the driving wheel, follow driving wheel and curved control part medial surface cooperation, sticker section of thick bamboo tip is equipped with and is used for making the second spring from driving wheel and the laminating of control part, sticker section of thick bamboo tip is equipped with the regulation subassembly of following driving wheel in cam main part radial position.

By adopting the technical scheme, the control part arranged on the second cam is matched with the swing arm to form the inner side surface, and the part without the control part in the second cam can be used for the swing arm to have larger adjusting space, so that the opening and closing distance of the clamping pieces can be adjusted, and the paper tape clamp can be suitable for paper tapes of various sizes to clamp and paste paper; at the same time.

The utility model discloses further set up to: the adjusting assembly comprises an adjusting seat arranged at the end part of the paper pasting cylinder and an adjusting screw arranged on the adjusting seat, and the adjusting screw is abutted to the second swing arm.

Through adopting above-mentioned technical scheme, adjust the deflection angle of second swing arm through adjusting screw, it is convenient to adjust, simple structure simultaneously.

The utility model discloses further set up to: the middle part of the second swing arm is fixed with the rotating shaft of the clamping piece, the second spring and the driven wheel are arranged at two ends of the second swing arm, and the adjusting screw is located at one side, connected with the driven wheel, of the second swing arm.

Through adopting above-mentioned technical scheme, the second spring sets up in the both ends of swing arm with following the driving wheel, and the structure sets up rationally, does not have mutual interference.

The utility model discloses further set up to: the first cam assembly comprises a first cam, a first swing arm matched with the first cam and a first spring used for enabling the first swing arm to reset, and the swing arm is fixed with the folding shaft.

Through adopting above-mentioned technical scheme, first cam and first swing arm are mutually supported, make the periodic motion of discount piece.

The utility model discloses further set up to: the folding roller is provided with an encapsulated pressing strip, and the position of the encapsulated pressing strip corresponds to the folding piece.

Through adopting above-mentioned technical scheme, the rubber coating strip is used for increasing the frictional force between folding roller and the paper tape, is convenient for tear the paper tape along easily tearing the line.

The utility model discloses further set up to: the folding sheet is provided with a waist-shaped hole, and a screw penetrates through the waist-shaped hole to be fixed with the folding shaft.

By adopting the technical scheme, the waist-shaped hole is used for adjusting the position of the folding piece.

To sum up, the utility model discloses a beneficial technological effect does: the first cam assembly and the second cam assembly are used for realizing the periodic swing of the folding piece and the clamping piece, when the paper tape enters the corresponding position, the folding piece swings, the paper tape pressing knife is pressed on the paper tube, the clamping piece in the paper tube tightly clamps the paper tape, the paper bag is fed at the position, and the clamping piece is loosened to finish the paper pasting. Wherein first swing arm passes through the radial position of adjusting part restriction follow driving wheel for adjust the deflection amplitude of clamping piece, be convenient for simultaneously from the better cooperation of driving wheel and second swing arm.

Drawings

FIG. 1 is a schematic structural view of a valve paper folding and pasting mechanism of the present invention;

fig. 2 is a schematic structural view of the folding roller.

Reference numeral, 1, a folding roller mechanism; 11. folding the roller body; 12. folding the shaft; 13. folding the sheet; 2. a first cam assembly; 21. a first cam; 22. a first swing arm; 23. a first spring; 3. a paper cartridge pasting mechanism; 31. pasting a paper cylinder body; 32. a paper clamping shaft; 33. a clip; 34. pressing a paper belt; 4. a second cam assembly; 41. a second cam; 42. a second swing arm; 43. a control unit; 44. a driven wheel; 45. a second spring; 46. an adjusting seat; 47. adjusting the screw rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a folding and paper pasting mechanism comprises a folding roller set and a paper pasting barrel set, wherein the folding roller mechanism 1 comprises a folding roller body 11 rotatably mounted on a frame, the folding roller body 11 is provided with a folding shaft 12, the folding shaft 12 is fixed with a folding sheet 13, the folding sheet 13 extends out of the folding roller body 11, the end part of the folding roller body 11 is provided with a first cam 21 component 2 for driving the folding shaft 12 to rotate, the first cam 21 component 2 comprises a first cam 21, a first swing arm 22 matched with the first cam 21, and a first spring 23 for keeping the first swing arm 22 and the first cam 21 tightly attached, the first swing arm 22 is fixed with the folding shaft 12, and when the folding sheet 13 rotates to a corresponding position, the first swing arm swings under the action of the first cam 21 component 2 to press the paper tape and the head part of the film into the paper pasting barrel mechanism 3.

As shown in fig. 1, the sticker cartridge mechanism 3 includes a sticker cartridge body 31 and a second cam 41 assembly 4, the sticker cartridge mechanism 3 is provided with a clamping piece 33 controlled by the second cam 41 assembly 4; the second cam 41 assembly 4 comprises a second cam 41 and a second swing arm 42 fixedly connected with the clamping piece 33, the second cam 41 comprises a cam main body and an arc-shaped control part 43 arranged on the end surface of the cam main body, the second swing arm 42 is provided with a driven wheel 44, the driven wheel 44 is matched with the inner side surface of the arc-shaped control part 43, the end part of the sticker cylinder body 31 is provided with a second spring 45 for enabling the driven wheel 44 to be attached to the control part 43, and the end part of the sticker cylinder body 31 is provided with an adjusting assembly for adjusting the radial position of the driven wheel 44 on the cam main body; the middle part of the second swing arm 42 is fixed with the rotating shaft of the clamping piece 33, the second spring 45 and the driven wheel 44 are arranged at two ends of the second swing arm 42, and the adjusting component is positioned at one side of the second swing arm 42 connected with the driven wheel 44; the adjusting assembly comprises an adjusting seat 46 arranged at the end part of the sticker cylinder body 31 and an adjusting screw arranged on the adjusting seat 46, and the end part of the adjusting screw is abutted against the second swing arm 42.

The sticker cylinder body 31 can realize the periodic swing of the clamping piece 33 in the rotating process, and control the opening and closing of the clamping opening; the middle part of the paster barrel 31 is sleeved with a paper pressing belt 34, and the paster barrel 31 is provided with a groove for the paper pressing belt 34 to be embedded; the clamping piece 33 is provided with a notch for the paper pressing belt 34 to pass through, and when the clamping piece 33 clamps valve opening paper, the paper pressing belt 34 does not affect the normal clamping of the clamping piece 33.

As shown in fig. 2, the folding roller body 11 and the sticker roller body 31 are disposed up and down, and the folding roller body 11 and the sticker roller body 31 move synchronously. When the paper tape and the film are fed between the folding roller body 11 and the sticker cylinder body 31 through the traction cutter mechanism, the clamping opening of the sticker cylinder body 31 is positioned below the paper tape, and the folding sheet 13 is positioned above the paper tape; along with the rotation of the folding roller body 11, under the action of the first cam 21 component 2, the folding sheet 13 on the folding roller body 11 swings, and the folding sheet 13 presses the head of the paper tape into the nip; at the same time, with the continued rotation of the sticker cartridge 31, the clip 33 swings under the action of the second cam 41 assembly 4 to close the nip and clamp the ends of the paper tape and film located in the nip. The conveying speed of the traction cutter mechanism is smaller than the moving speed of the folding roller mechanism 1 and the movement speed of the paper pasting cylinder mechanism 3, through the speed difference between the two, the end part of a paper bag is clamped by the paper pasting cylinder body 31, one section of valve port paper at the head part of the paper tape is broken along the easy-to-tear line, because the paper tape and the film are staggered, the paper tape and the film are staggered after being broken, but the lengths of the paper tape and the film are kept consistent, an independent valve port paper is formed, the distance between the paper pasting cylinder mechanism 3 and the traction cutter assembly is controlled, and the paper pasting cylinder mechanism 3 only breaks one section of valve port paper at each time. The sticker cylinder 31 clamps valve port paper and conveys the valve port paper to the position of the paper bag, and after the valve port paper is conveyed to the position, the clamping piece 33 is loosened under the action of the second cam 41 component 4; meanwhile, the paper pressing belt 34 is rotated along with the paper pasting cylinder 31, the paper pressing belt 34 is separated from the gap of the clamping piece 33, and the valve port paper is taken out from the clamping opening under the action of the paper pressing belt 34, so that the valve port paper is conveyed to the corresponding part of the paper bag in the paper bag conveying mechanism.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (6)

1. The utility model provides a valve port paper is broken a book, is pasted paper mechanism, breaks a roll set and a sticker roller set, its characterized in that: the folding roller group comprises a folding roller and a first cam assembly, the folding roller is provided with a folding shaft controlled by the first cam assembly, and the folding shaft is provided with a folding piece; the paper pasting roller group comprises a paper pasting barrel and a second cam assembly, and the paper pasting barrel assembly is provided with a clamping piece controlled by the second cam assembly; second cam subassembly include the second cam, with the fixed second swing arm of the pivot of clamping piece, the second cam include the cam main part and set up in the curved control part of the terminal surface of cam main part, the second swing arm is equipped with from the driving wheel, follow driving wheel and curved control part medial surface cooperation, sticker section of thick bamboo tip is equipped with and is used for making the second spring from driving wheel and the laminating of control part, sticker section of thick bamboo tip is equipped with the regulation subassembly of following driving wheel in cam main part radial position.

2. The valve port paper folding and pasting mechanism of claim 1, wherein: the adjusting assembly comprises an adjusting seat arranged at the end part of the paper pasting cylinder and an adjusting screw arranged on the adjusting seat, and the adjusting screw is abutted to the second swing arm.

3. The valve port paper folding and pasting mechanism of claim 2, wherein: the middle part of the second swing arm is fixed with the rotating shaft of the clamping piece, the second spring and the driven wheel are arranged at two ends of the second swing arm, and the adjusting screw is located at one side, connected with the driven wheel, of the second swing arm.

4. The valve port paper folding and pasting mechanism of claim 1, wherein: the first cam assembly comprises a first cam, a first swing arm matched with the first cam and a first spring used for enabling the first swing arm to reset, and the swing arm is fixed with the folding shaft.

5. The valve port paper folding and pasting mechanism of claim 4, wherein: the folding roller is provided with an encapsulated pressing strip, and the position of the encapsulated pressing strip corresponds to the folding piece.

6. The valve port paper folding and pasting mechanism of claim 5, wherein: the folding sheet is provided with a waist-shaped hole, and a screw penetrates through the waist-shaped hole to be fixed with the folding shaft.