CN106863917B

CN106863917B - Softening device for paper for firework winding drum

Info

Publication number: CN106863917B
Application number: CN201710218166.4A
Authority: CN
Inventors: 李兴华; 罗海明
Original assignee: Liuyang Hailida Machinery Technology Co ltd
Current assignee: Liuyang Hailida Machinery Technology Co ltd
Priority date: 2017-03-14
Filing date: 2017-04-05
Publication date: 2022-07-08
Anticipated expiration: 2037-04-05
Also published as: CN106863917A

Abstract

The invention discloses a softening device of paper for a firework winding drum, wherein a softening mechanism is arranged between a raw paper roll and a paper feeding roller set which are sequentially arranged from front to back along a paper feeding direction, the softening mechanism pushes the paper to be folded in a V shape, and paper redundancy is preset to properly compensate the V-shaped folded part so as to prevent the paper from being broken. The softening device can complete softening treatment of the sealing paper of the outer ring of the firework cylinder in the working process of the winding drum, and the sealing effect can be ensured without wet sticky paper; meanwhile, the phenomenon of breaking paper is avoided, and the operation is reliable and stable; the production efficiency can be effectively improved.

Description

Softening device for paper for firework winding drum

Technical Field

The invention relates to a rolling device for fireworks paper tubes, in particular to a processing device for rolling paper for the fireworks paper tubes.

Background

The firework paper tube (tube) is an important part in firework production, the firework paper tube is generally formed by rolling a full-automatic winding drum machine, and a sticky wet paper process is mostly needed in production to soften paper at the sealing position of the outer ring of the tube body so as to ensure the sealing effect. But the water content of the produced paper tube is high, and the subsequent baking or drying treatment is necessary, which is time-consuming and labor-consuming.

Patent document CN106313638A discloses a "fireworks winding machine". The paper is arched under the action of the paper shaping mechanism, so that the outer ring of the paper tube is glued and sealed on the premise of not wetting the paper. However, when the extruding component extrudes and shapes the paper downwards in the operation process of the mechanism, the paper is required to be in a straightening state, the paper is very easy to break under the simultaneous action of tension and extrusion force, the machine needs to be stopped to clean the broken paper, then the paper is fed again to start the machine, and the stability and the practicability are not high; meanwhile, the scheme has poor paper softening effect, and the outer ring seal of the paper tube is still easy to have degumming and cracking phenomena.

Disclosure of Invention

In order to solve the above drawbacks, the present invention provides a softening device for rolling paper from a firework paper tube, which can effectively seal the outer ring of the paper tube by gluing without wetting the paper, and has stable and reliable operation. In order to solve the technical problems, the technical scheme adopted by the invention is that the softening device for the paper for the firework winding drum comprises a raw paper roll and a paper feeding roller set which are sequentially arranged in the front-back direction along the paper feeding direction, and is characterized in that a softening mechanism is arranged between the raw paper roll and the paper feeding roller set, the softening mechanism pushes the paper to be folded in a V shape, and paper redundancy is preset to compensate the V-shaped folding part, and the structure of the softening mechanism is selected from one of the following schemes A, B and C:

the softening mechanism comprises a fixed paper pressing piece on the paper and a swinging paper jacking piece under the paper, wherein the fixed paper pressing piece is provided with an arc-shaped end head which is contacted with the paper; the swinging paper pushing piece swings towards the paper to push the paper to be folded in a V shape, and the arc-shaped end head of the fixed paper pressing piece is positioned at the included angle at the bottom of the V-shaped fold;

the softening mechanism also comprises a paper relieving piece arranged between the original paper roll and the fixed paper pressing piece, the paper relieving piece presses the paper, the pressing direction is from the upper surface of the paper to the lower surface of the paper, and the paper relieving piece moves in the pressing direction;

scheme B: the softening mechanism comprises two positioning parts for supporting the lower surface of the paper, a movable paper pressing part is correspondingly arranged on the paper between the two positioning parts, and the movable paper pressing part is provided with an arc-shaped end head which is contacted with the paper; the movable paper pressing piece is connected with the paper relieving piece through a lever mechanism; the movable paper pressing piece moves towards the paper to push the paper between the two positioning pieces to be folded in a V shape, and the arc-shaped end of the movable paper pressing piece is positioned at the included angle at the bottom of the V-shaped fold;

scheme C: the softening mechanism comprises two positioning pieces for supporting the lower part of the paper, the two positioning pieces can lift up and down, a movable paper pressing piece is correspondingly arranged on the paper between the two positioning pieces, and the movable paper pressing piece is provided with an arc-shaped end head which is contacted with the paper; the movable paper pressing piece moves towards the paper to push the paper between the two positioning pieces to be folded in a V shape, and the arc-shaped end of the movable paper pressing piece is positioned at the included angle at the bottom of the V-shaped folding.

Preferably, in the scheme A, the fixed paper pressing piece adopts a strip-shaped plate body; in the scheme B, the movable paper pressing piece adopts a strip-shaped plate body; in the scheme C, the movable paper pressing piece is a strip-shaped plate body. The object of the invention can be achieved by a very simple structure.

Preferably, in the scheme A, the included angle of the bottom of the V-shaped fold is 30-85 degrees; preferably 45 degrees. In the scheme B, the included angle of the bottom of the V-shaped fold is 30-85 degrees; preferably 45 degrees. In the scheme C, the included angle of the bottom of the V-shaped fold is 30-85 degrees; preferably 45 degrees. The degree setting of the included angle is beneficial to obtaining a proper paper softening effect and improving the working reliability.

Preferably, in the aspect a, the sheet relieving member presses the sheet from the sheet upper surface toward the sheet lower surface based on the self weight and/or the action of the elastic member. Paper receives the portion and is the depressed area and predetermines the paper redundancy, and swing top paper spare is towards the paper swing, when promoting the paper and be the V-arrangement folding, and the paper of depressed area is dragged and is levelled, and the piece that the paper is releived receives the lifting force of paper, and this lifting force overcomes the dead weight of the piece that the paper is releived and/or the elasticity of elastic component for the piece that releives of head set's paper rises, and the paper of former depressed area suitably compensates the V-arrangement folding part avoids the paper to be pulled apart.

The elastic element can be a pressure spring for pressing the paper relieving element, a tension spring for pulling the paper relieving element, a torsion spring and the like; other elastic members such as rubber bands or elastic components can be used.

Preferably, in the aspect a, the rocking top member and/or the sheet relieving member has a circular arc-shaped end which contacts the sheet. In the scheme B, the positioning piece and/or the paper relieving piece are/is provided with arc-shaped ends which are contacted with the paper. In the scheme C, the positioning piece is provided with a circular arc-shaped end head which is contacted with the paper. Such as a roller body. Further, the arc-shaped end head adopts a roller. The paper feeding device has the advantages that the friction between the paper and the end head is changed from sliding friction to rolling friction when the paper advances, and the contact surface cannot be ground flat.

The softening device has the beneficial effects that the softening device can be used for completing softening treatment of the sealing paper of the outer ring of the firework cylinder in the working process of the winding drum, the sealing effect can be ensured without sticking wet paper, and the baking-free drying and quick drying of the paper cylinder in the later period are facilitated; meanwhile, the phenomenon of breaking paper is avoided, and the operation is reliable and stable; the production efficiency can be effectively improved.

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the schematic structure (ready state) of embodiment 1;

FIG. 2 is a schematic view of the schematic structure (working state) of embodiment 1;

FIG. 3 is a schematic view showing the structure of the fixed paper pressing member, the rocking top paper member, and the paper relaxing member in accordance with embodiment 1;

FIG. 4 is a schematic view of the schematic structure (ready state) of embodiment 2;

FIG. 5 is a schematic view of the schematic structure (working state) of embodiment 2;

FIG. 6 is a schematic diagram of the principle structure of example 3 (the preparation state and the working state are combined and compared);

FIG. 7 is a schematic view of the schematic structure of embodiment 4 (ready state);

FIG. 8 is a schematic view of the schematic structure (working state) of embodiment 4;

FIG. 9 is a schematic view of the structure of a paper pressing member according to embodiment 5;

FIG. 10 is a schematic view showing the structure of a paper pressing member according to embodiment 6;

FIG. 11 is a schematic view of the structure of a platen according to embodiment 7.

Detailed Description

Example 1: referring to fig. 1-3, reflecting a specific structure of the present invention, the softening device for paper for fireworks winding drum comprises a raw paper roll 1, a first paper feeding roller set 5 and a second paper feeding roller set 7 which are sequentially arranged in front and back along a paper feeding direction, a softening mechanism for paper 6 is arranged between the raw paper roll 1 and the first paper feeding roller set 5, and the second paper feeding roller set 7 is used for enhancing a traction force for the paper 6.

The softening mechanism comprises a fixed paper pressing member 3 above the paper 6 and a swinging paper ejection member 4 below the paper 6: in this embodiment, the fixed paper pressing member 3 is a strip-shaped plate fixed on the frame, the length of the plate corresponds to the width of the paper 6, and the lower edge of the plate has an arc-shaped end 301 contacting with the paper 6.

The swinging paper ejecting piece 4 is connected with a driving mechanism and swings towards the paper 6 to push the paper 6 to be folded in a V shape, and the included angle of the bottom of the V-shaped fold is 45 degrees. The circular arc-shaped end 301 of the fixed paper pressing piece 3 is positioned at the included angle at the bottom of the V-shaped folding.

The softening mechanism further comprises a paper relieving piece 2 arranged between the original paper roll 1 and the fixed paper pressing piece 3, the paper relieving piece 2 presses paper, the pressing direction is that the upper surface of the paper 6 faces the lower surface of the paper 6, and the paper relieving piece 2 is arranged on a movable device in the pressing direction: as shown in fig. 1, 2, and 3, the paper relieving piece 2 is a roller body with positioning rods 201 at two ends, and the positioning rods 201 can be arranged in the sleeve or on the upper and lower linear guide rails, so that the paper relieving piece 2 is not fixed in the up-down direction and can be freely lifted and lowered under the action of an external force (such as a lifting force of pulling up the paper). In the ready state, the sheet relieving member 2 presses the sheet 6 from the upper surface of the sheet 6 to the lower surface of the sheet 6 based on its own weight, and the pressed portion of the sheet 6 is a depressed area to preset sheet redundancy in a state where the tension of the sheet is maintained. Under the operating condition, swing top paper piece 4 swings towards paper 6, when promoting paper 6 and be the V-arrangement folding, the paper of depressed area is dragged and is levelled, and the piece 2 that relaxes of paper receives the power of lifting in the palm of paper 6, and this power of lifting overcomes the dead weight of the piece 2 that relaxes of paper for the piece 2 that relaxes of head set rises, and the paper of former depressed area suitably compensates the V-arrangement folding part avoids paper 6 to be pulled apart.

Example 2: referring to fig. 4-5, which show a specific structure of the present invention, the device for softening paper for fireworks roll comprises a base paper roll 11, a first paper feeding roller set 12 and a second paper feeding roller set 16, which are sequentially arranged in front of and behind the base paper roll in the paper feeding direction, wherein a softening mechanism for paper 17 is arranged between the base paper roll 11 and the second paper feeding roller set 16, and the first paper feeding roller set 12 is used for enhancing the traction force on the paper 17 and adjusting the posture of the paper 17 according to the actual situation.

The softening mechanism comprises a first positioning piece 19 and a second positioning piece 18 which are used for supporting the lower surface of the paper 17, the two positioning pieces are fixed on the frame, a movable paper pressing piece 13 is correspondingly arranged on the upper surface of the paper 17 between the two positioning pieces, and the movable paper pressing piece 13 is provided with an arc-shaped end which is contacted with the paper 17; the movable paper pressing piece 13 is connected with a paper relieving piece 15 through a lever mechanism 14; the movable paper pressing piece 13 moves towards the paper 17 to push the paper between the two positioning pieces to be folded in a V shape, and the arc-shaped end of the movable paper pressing piece 13 is positioned at the included angle at the bottom of the V-shaped folding.

The difference from embodiment 1 is that the movable paper pressing member 13 is not a fixed device, but is connected to the driving mechanism to move up and down, and the paper relieving member 15 is driven to move reversely by the lever mechanism 14: in the ready state, the paper relieving member 15 presses the paper 17 from the upper side of the paper 17 to the lower side of the paper 17, and the pressed part of the paper 17 is a concave area to preset paper redundancy in a state that the tension of the paper is kept. Under the working state, the driving mechanism drives the movable paper pressing piece 13 to move towards the paper 17 and press downwards, the paper relieving piece 15 rises under the action of the lever mechanism 14, the paper in the depressed area is dragged and leveled, the paper in the original depressed area properly compensates the V-shaped folding part, and the paper 17 is prevented from being pulled and broken.

Example 3: referring to fig. 6, the softening mechanism includes a first positioning member 41 and a second positioning member 42 for supporting the lower surface of the paper, the two positioning members can be lifted up and down, a movable paper pressing member 43 is correspondingly arranged on the upper surface of the paper between the two positioning members, and the movable paper pressing member 43 has an arc-shaped end which is contacted with the paper; the movable paper pressing piece 43 moves towards the paper to push the paper between the two positioning pieces to be folded in a V shape, and the arc-shaped end of the movable paper pressing piece is positioned at the included angle at the bottom of the V-shaped folding.

The difference from the embodiment 2 is that in this example, no special paper relieving member is provided, but two positioning members capable of ascending and descending are used to perform corresponding functions. In the ready state (solid line portion), the two positioning members 41, 42 are raised to raise the sheet by the driving mechanism to obtain redundancy of the sheet while maintaining the tension of the sheet: in the working state (dotted line), when the movable paper pressing member 43 moves towards the paper and presses down, the two positioning members 41 and 42 descend along with the movable paper pressing member, so that the paper is reduced and leveled, and the paper redundancy in the preparation state properly compensates the V-shaped folding part, thereby avoiding the paper from being broken.

Example 4: referring to fig. 7-8, reflecting a specific structure of the present invention, the softening device for the paper for fireworks winding drum includes a raw paper roll 31, a first paper feeding roller set 34, a second paper feeding roller set 35, a glue mechanism, a third paper feeding roller set 37, and a paper cutting mechanism 38, which are sequentially arranged in the front-back direction along the paper feeding direction. Between the original roll 31 and the first feed roller group 34, a paper softening mechanism is provided, which includes a fixed paper pressing member 33 above the paper, a swinging paper supporting member 39 below the paper, and a paper relieving member 32 between the original roll 31 and the fixed paper pressing member 33.

The difference from embodiment 1 is that the sheet relieving member 32 is provided with an elastic member which is a pressing spring pressing the sheet relieving member 32, and the sheet relieving member 32 presses the sheet from the sheet upper face toward the sheet lower face based on the self weight and the action of the elastic member. The rest is the same as the embodiment 1, and the description is omitted.

While this example also describes the downstream mechanisms associated with the compliance device in the reel apparatus to further illustrate the background of the invention. Comprises a glue mechanism, a third paper feeding roller group 37 and a paper cutting mechanism 38. The glue mechanism comprises a first glue roller 361 and a second glue roller 362 on the paper, the first glue roller 361 and the second glue roller 362 are correspondingly arranged in parallel, the roller surfaces are abutted, a glue groove for containing glue 362 is formed between the two roller surfaces, the first glue roller 361 is connected with a driving mechanism to rotate actively, and a carrier roller 364 is arranged below the paper corresponding to the first glue roller 361. So as to effectively reduce the glue consumption. The paper cutter 38 shuts off the roll mechanism downstream of the paper supply at the appropriate time.

Examples 5, 6, 7: referring to fig. 9, 10 and 11, other structural forms of the paper pressing member are reflected. It should be noted that the fixed paper pressing member according to the embodiment a, the movable paper pressing member according to the embodiment B, and the movable paper pressing member according to the embodiment C may all adopt the structural form as shown in the drawings. By way of example, the paper pressing member can have various forms, as will be apparent to those skilled in the art, depending on its function. The function can be realized only by providing the arc-shaped end 901 which presses and contacts the paper on the width of the paper.

The above-mentioned implementation is only for clearly illustrating the technical solutions of the present invention, and is not to be construed as limiting the present invention in any way. The present invention has many known alternatives and modifications in the art, which fall within the scope of the present invention without departing from the spirit of the present invention.

Claims

1. The utility model provides a softening installation of paper for fireworks reel, includes the former scroll that sets gradually around the direction of form advancing and the roller set of form advancing, its characterized in that is equipped with softening mechanism between former scroll and the roller set of form advancing, softening mechanism promotes the paper and is the V-arrangement folding to predetermine the paper redundancy in order to compensate the V-arrangement is folding, softening mechanism's structure is selected from one of following A scheme, B scheme, C scheme:

2. The device for softening paper for fireworks reels as claimed in claim 1, wherein in the solution a, the fixed paper pressing member is a strip-shaped plate body; in the scheme B, the movable paper pressing piece adopts a strip-shaped plate body; in the scheme C, the movable paper pressing piece is a strip-shaped plate body.

3. The device for softening paper for fireworks rolls as claimed in claim 1 or 2, wherein the included angle of the bottom of the V-shaped fold is 30-85 degrees.

4. The device for softening fireworks paper roll as claimed in claim 3, wherein the bottom angle of the V-fold is 45 degrees.

5. The device for softening paper for fireworks rolls as claimed in any one of claims 1, 2 and 4, characterized in that in the scheme A, the paper relieving piece presses the paper from the upper side to the lower side of the paper based on the self-weight and/or the action of the elastic piece.

6. The device for softening paper for fireworks rolls as claimed in claim 3, wherein in the scheme A, the paper relieving piece presses the paper based on the self-weight and/or the action of the elastic piece.

7. A device for softening paper for fireworks rolls as claimed in any one of claims 1, 2, 4 and 6, wherein in the solution a, the rocking top paper and/or paper relieving member has a circular arc end in contact with the paper; in the scheme B, the positioning piece and/or the paper relieving piece are/is provided with arc-shaped end heads which are contacted with the paper; in the scheme C, the positioning piece is provided with a circular arc-shaped end head which is contacted with the paper.

8. The device for softening paper for fireworks rolls as claimed in claim 7, wherein the circular arc-shaped ends are rollers.