CN112297513A

CN112297513A - Straw forming machine and manufacturing method thereof

Info

Publication number: CN112297513A
Application number: CN201910925857.7A
Authority: CN
Inventors: 黄建明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-25
Filing date: 2019-09-27
Publication date: 2021-02-02
Anticipated expiration: 2039-09-27
Also published as: CN112297513B; TWI690412B; TW202103908A

Abstract

The invention relates to a straw forming machine and a manufacturing method thereof, which is a device for forming a paper straw by hot-pressing and gluing paper rolls by hot air, ultrasonic waves or high frequency waves. This forming machine includes: the paper feeding machine stretches the paper plane to the paper pressing device to curl the paper into a tube body through the paper pressing device, the hot air pipe of the laminating device is used for hot melting the laminating layer on the surface layer of the paper before the two sides of the paper are overlapped, the paper enters the forming hole to bond the two sides of the paper, the laminating part of the tube body is rolled by a rolling wheel, and the tube body is conveyed to the cutting device through the conveying device to carry out the cutting operation of the suction tube, so that the paper suction tube can be continuously and rapidly manufactured.

Description

Straw forming machine and manufacturing method thereof

Technical Field

The invention relates to a straw forming machine and a manufacturing method thereof, which is to roll paper material into a tube shape, bond the tube body by hot air hot melting, and cut the tube body into straws by a cutting device so as to achieve the manufacturing of continuous paper straws.

Background

The drinking straw is widely applied to daily life, is mainly applied to hand-operated beverages in a cup by a person, utilizes the sealing film to package the beverages, can be easily carried after the customized beverages are made, and can be used for drinking by puncturing the sealing film by the drinking straw.

However, with the rising of environmental awareness, plastic-reducing exercise is being gradually promoted internationally, and regulations even prohibit the provision of plastic bags and plastic straws for cold drink makers, thereby causing great impact to the cold drink makers, because the cost of the paper straws is high although the paper straws are environmentally friendly, and the increased cost is hard to be transferred to consumers, which is very annoying to the cold drink makers.

Through inspection, a high-speed web suction pipe cutting and collecting machine disclosed in chinese patent CN109203578A, a novel paper suction pipe machine disclosed in chinese patent CN109367132A, a paper roll type paper suction pipe structure disclosed in taiwan patent M566029, a paper suction pipe disclosed in M573192, and a paper suction pipe disclosed in M569193 are all structures of paper suction pipes, and the above patents are all made by spirally winding paper and bonding the paper with glue, so that the manufacturing process is time-consuming and labor-consuming, and the glue still has the problem of decomposition.

The inventor develops a paper straw forming machine through continuous experiments and tests in view of the fact that the manufacturing cost of the paper straw cannot be reduced, and the manufacturing method adopts glue for adhesion, however, the inventor has previously applied for the invention of Taiwan patent No. 108112523 and the new type of Taiwan patent No. 108204363, however, the two cases can continuously manufacture the paper straw, but the effect is not ideal and the efficiency is not outstanding, so the inventor improves the defects of the two cases, and has the innovation and improvement of the proposal, the paper materials are overlapped left and right, the overlapped parts are adhered by hot air, high frequency or ultrasonic hot pressing, and a cutter is used for cutting the paper straw into the straw, wherein, a paper pressing device and a conveying device are particularly adopted, the forming and conveying of the tube body are smoother, the efficiency for manufacturing the paper straw is effectively improved, the cost can be reduced, and the great demand of the existing paper straw can be met, the method is actually a new industrial invention.

Disclosure of Invention

The invention aims to: provides a straw forming machine and a manufacturing method thereof, which solve the technical problems in the prior art.

The invention relates to a straw forming machine and a manufacturing method thereof, the forming machine forwards conveys paper to a cutting device, and the straw forming machine comprises: a paper feeder having a plurality of aligning wheels for leveling, aligning and tensioning the paper; the paper pressing device is positioned in front of the paper feeding machine, can curl two sides of the stretched paper upwards, and consists of a first pressing plate, a second pressing plate, a third pressing plate, a fourth pressing plate and a bottom plate, the bottom plate is positioned below each pressing plate, each pressing plate is downwards tapered into an arc part, the arc part of each pressing plate changes, a half arc of the pressing plate at the rear gradually tapers into an arc from the pressing plate at the front in sequence, a ball is arranged at the bottom end of the arc part of each pressing plate, the bottom plate is matched with the change of the arc part of each pressing plate and is forwards tilted into a spherical surface from the arc surface, and two end edges positioned on the bottom plate are provided with a seam for positioning and advancing the paper without deviation; a laminating device sets up in this presser device the place ahead, can paste into the body with this paper material both sides coincide, and it includes: the device comprises a core pipe, a hot air pipe, a forming hole and a rolling wheel, wherein the core pipe is provided with a plurality of vent holes, and gas is introduced into the core pipe through an air inlet pipe; a conveying device which is arranged in front of the laminating device and consists of two rotating wheels combined with a belt to form conveying wheels, and two groups of conveying wheels clamp two sides of the pipe body to convey the pipe body; and the cutting device is positioned in front of the conveying device and is provided with more than one cutter, a positioning frame and a cutting table, and the cutting device can cut the tube body into the suction tube at fixed time and fixed point.

The forming machine of the invention automatically conveys paper, rolls and forms the rolled paper into a tube body through hot air hot melting, and cuts the tube body into the suction tube by using the cutting device, the manufacturing efficiency is about 150-200 suction tubes in 1 minute, and the paper can be bonded into the tube body without using glue, the manufacturing procedure of the suction tube can be simplified, the use of the glue is reduced, and the manufacturing of the paper suction tube is simpler and more environment-friendly.

In one embodiment, the paper is automatically transported by the pressing device, the rolling wheel of the bonding device and the transporting device.

In one embodiment, the forming hole has a contact portion formed on the top surface thereof, so that the paper can be stacked on both sides thereof to form a tube when the paper is conveyed to the forming hole.

In one embodiment, a hot air pipe is disposed in front of the forming hole of the laminating device, and hot air can be introduced into the hot air pipe before laminating the two sides of the paper material, so as to melt the laminated film on the surface of the paper material for laminating and pasting, and then the laminating part is rolled by a rolling wheel to form a tube.

In one embodiment, the rolling wheel of the bonding device has high frequency or ultrasonic wave, which can perform hot melting and rolling on the bonding part after laminating the two sides of the paper material, and can promote the hot melting of the coating film on the surface of the paper material at high temperature, so as to perform laminating, bonding and pressing operation, and thus the paper material can be formed into a tube body.

In one embodiment, the cutting device moves along with the tube body moving speed, so that the cutter can cut the tube body into the straw simultaneously when the tube body passes through the positioning frame, and the length and the cut of the straw are consistent, thereby achieving better quality stability.

In one embodiment, the cutting device is provided with a flat cutter and an inclined cutter, the flat cutter can cut with the oblique cutter wheel flow to form a flat cut, an oblique cut and a flat cut, and the tube body is cut into the tip paper suction tube.

The present invention provides an embodiment, which refers to a method for manufacturing a paper straw, wherein the paper straw is continuously manufactured by the forming machine, and the steps are as follows: a: paper feeding operation: firstly, arranging paper on a paper feeder, and leveling, calibrating and tensioning the paper by using a positioning wheel; b: paper pressing operation: the paper material is arranged below the paper pressing device, so that the paper material is pressed by the pressing plate to roll up and move forwards on two sides of the paper material; c: hot air melting and pressing operation: when the paper material passes through a core pipe of a laminating device, blowing two sides of the paper material by using a hot air pipe to make a laminating layer on the surface of the paper material melt into a colloid, laminating two sides of the paper material through a forming hole to form a tubular shape and generate a laminating part, and rolling the laminating part by a rolling wheel to form a pipe body; d: cutting operation: the tube body is conveyed to the cutting device through the conveying device, and the tube body in conveying can be cut by utilizing more than one cutter through movable cutting to form a paper suction tube or a tip paper suction tube.

The invention is characterized in that the paper straw forming machine has less materials, simple structure, high efficiency and environmental protection, not only achieves the quick manufacture of the paper straw, but also reduces the cost of the paper straw, and particularly the structure and the technical means of the forming machine are never applied to the manufacture of the paper straw, and are actually a new structure of the paper straw and a manufacturing method thereof.

Drawings

FIG. 1 is a perspective view of a forming machine of the present invention.

Figure 2 is a schematic view of the platen of the present invention.

Fig. 3 is a schematic view of the base plate of the present invention.

FIG. 4 is a schematic view of a nip where the stock is sandwiched between the base plates according to the present invention.

FIG. 5 is a schematic view of a bonding apparatus of the present invention.

Fig. 6 is a schematic view of the delivery device of the present invention.

FIG. 7 is a schematic view of the cutting device of the present invention.

Fig. 8 is a schematic side view of the movement of the stock of the present invention.

FIG. 9 is a schematic cross-sectional view of a bonding apparatus according to the present invention.

FIG. 10 is a schematic view of the operation of the present invention for rolling a sheet into a tube.

FIG. 11 is a schematic diagram of the operation of the cutting device of the present invention.

FIG. 12 is a perspective view of the paper drinking straw of the present invention.

Figure 13 is a side view of the paper drinking straw of the present invention.

Fig. 14 is a schematic illustration of the layering of the stock of the present invention.

FIG. 15 is a schematic view of the attachment of the recess of the present invention.

Figure 16 is a schematic representation of the beveled edges of the stock of the present invention.

Figure 17 is a schematic illustration of the bevel attachment of the present invention.

Fig. 18 is a schematic view of a paper roll indentation of the present invention.

FIG. 19 is a schematic view of dimple bonding in accordance with the present invention.

Description of reference numerals: [ invention ] 1-Molding machine; 11-a paper feeder; 111-a leveling wheel; 12-a paper pressing device; 121-a first platen; 1211-an arc; 1212-balls; 122-a second platen; 1221-an arc; 1222-a ball bearing; 123-a third platen; 1231-arc; 1232-ball bearing; 124-a fourth platen; 1241-arc part; 1242-balls; 125-a bottom plate; 1251-crack; 13-a laminating device; 131-a core tube; 1310-an air inlet pipe; 1311-vent; 132-a hot air duct; 133-forming holes; 134-rolling wheels; 14-a conveying device; 140-a delivery wheel; 141-a rotating wheel; 142-a belt; 15-a cutting device; 151-a cutter; 152-a positioning frame; 153-a cutting table; 154-a sensor; 2-a straw; 20-tip pipette; 21-paper stock; 211-a recess; 212-bevel edge; 213-indentation; 22-a tube body; 221-a bonding portion; 2211-convex; and 3-a material barrel.

Detailed Description

Referring to fig. 1 and 2, the present invention relates to a straw forming machine 1 and a method for manufacturing the same, wherein the straw forming machine 1 conveys a paper stock 21 from a paper feeder 11 to a cutting device 15, and the straw forming machine comprises: a paper feeder 11 having a plurality of aligning rollers 111 for leveling, aligning and tensioning the paper stock 21; a paper pressing device 12 located in front of the paper feeding machine 11 and capable of curling the two sides of the stretched paper 21 upward, which is composed of a first pressing plate 121, a second pressing plate 122, a third pressing plate 123, a fourth pressing plate 124 and a bottom plate 125, wherein the bottom plate 125 is located below each pressing plate, the first pressing plate 121, the second pressing plate 122, the third pressing plate 123 and the fourth pressing plate 124 are all tapered downward into arc-

shaped portions

1211, 1221, 1231, 1241, and the change of the arc-

shaped portions

1211, 1221, 1231, 1241 gradually tapers from back to front into an arc, the bottom ends of the arc-

shaped portions

1211, 1221, 1231, 1241 are all provided with

balls

1212, 1222, 1232, 1242, and the change of the arc-

shaped portions

1211, 1221, 1231, 1241 of the bottom plate 125 matching the first pressing plate 121, the second pressing plate 122, the third pressing plate 123 and the fourth pressing plate 124 as shown in fig. 3 and 4, and the bottom plate 125 is tilted forward into a spherical surface, the bottom plate 125 has slits 1251 at both ends thereof for positioning and advancing the paper 21 without deviation.

Referring to fig. 1 and fig. 5-7, a pasting device 13 is disposed in front of the pressing device 12, and can paste two sides of the paper material 21 into a tube 22, which includes: a core tube 131, a hot air tube 132, a forming hole 133 and a rolling wheel 134, wherein the core tube 131 is provided with a plurality of vent holes 1311, gas is introduced into the core tube 131 through an air inlet pipe 1310, the forming hole 133 is sleeved on the core tube 131, and the hot air tube 132 and the rolling wheel 134 are arranged above the core tube 131; a conveying device 14 installed in front of the bonding device 13, which is formed by two rotating wheels 141 combined with a belt 142 to form a set of conveying wheels 140, and two sets of conveying wheels 141 clamping two sides of the tube 22 to convey the tube 22; and a cutting device 15, located in front of the conveying device 14, having more than one cutter 151, a positioning frame 152 and a cutting table 153, where the cutter 151 is located in the positioning frame 152 and can move along with the positioning frame 152, and the cutting table 153 is located below the positioning frame 152, so as to cut the tube body 22 into the straw 2 (not shown) at fixed time and fixed point on the cutting table 153.

Referring to fig. 8, the forming machine 1 can continuously convey the paper 21, so that the paper 21 is rolled from a plane into a tube shape and is hot pressed and adhered to form a tube body 22, and then cut into the straw 2, and the operation mode is to stretch the paper 21 on the paper feeding machine 11 onto the pressing device 12 (please refer to fig. 2) to perform the paper pressing operation, so that the two sides of the paper 21 are rolled toward the center to perform the adhesion of the paper 21, wherein the

balls

1212, 1222, 1232, 1242 at the bottom ends of the first pressing plate 121, the second pressing plate 122, the third pressing plate 123 and the fourth pressing plate 124 are used to drive the paper 21 to be conveyed forward, so that the paper 21 enters the front adhesion device 13.

Referring to fig. 8 and fig. 9, the paper 21 is fed from the pressing device 12 into the core 131 of the laminating device 13, so that the two sides of the paper 21 are rolled up to the top surface, before the paper 21 is fed into the forming hole 133, the hot air tube 132 blows hot air to the overlapped portion of the paper 21 to melt the laminating layer on the surface of the paper 21, and then the paper is fed into the forming hole 133, as shown in fig. 10, the forming hole 133 can laminate the two sides of the paper 21 to form the tube 22, and the top surface of the tube 22 has the laminating portion 221, and then the laminating portion 221 of the tube 22 is rolled by the rolling wheel 134 to make the laminating portion 221 tightly adhere, at this time, the air inlet tube 1310 introduces air into the core 131 to discharge air from the plurality of vent holes 1 on the core 131, so that the tube 22 does not adhere to the core 131, and at the same time, the power of the rolling wheel 134 is applied to rotate forward, the tube 22 is continuously conveyed forward, wherein the rolling wheel 134 has high frequency or ultrasonic vibration, so that the bonding portion 221 of the tube 22 passing through the rolling wheel 134 can be thermally pressed and bonded.

Then, referring back to fig. 6 and referring back to fig. 9, when the tube 22 enters the conveying device 14, the two sets of conveying wheels 140 of the conveying device 14 clamp the two sides of the tube 22, i.e. the tube 22 can be conveyed forward to the positioning frame 152 (referring back to fig. 7) of the cutting device 15 by the movement of the belt 142, the positioning frame 152 can position the tube 22 and can perform a movable, timed and fixed-point cutting operation by using the cutter 151, i.e. the positioning frame 152 can move back and forth and up and down, and the tube 22 is cut on the cutting table 153 to form the straw 2, wherein a sensor 154 can be disposed between the cutting device 15 and the conveying device 14, the sensor 154 is in communication with the circuit of the positioning frame 152, and after a certain time period of the sensor 154 is set in the tube 22, the positioning frame 152 is started to drive the cutter 151 to cut, so that the length and the cut of the straw 2 are consistent, and have better, the straw 2 is formed by cutting the tube 22 on the cutting table 152, and the straw 2 is continuously transferred forward to the charging basket 3 by the transfer wheel 140.

Referring to fig. 11, regarding the operation of the cutting knife 151, the cutting knife 15 is flat-head shaped, and is matched with the positioning frame 152 to perform cutting time setting, so as to perform movable cutting at fixed time and fixed point, so as to adjust the length of the straw 2, and make the cut neat and consistent, an oblique cutting knife 155 can be disposed beside the cutting knife 15, so that the cutting knife 15 and the oblique cutting knife 155 can perform downward cutting alternately, and the straw body 22 can be subjected to two cutting methods of flat cutting, oblique cutting, flat cutting and oblique cutting, so as to cut the tip straw 20 (as shown in fig. 12).

The paper straw manufacturing method is carried out by using the forming machine of the invention, please refer to the following steps:

a: paper feeding operation: firstly, arranging paper on a paper feeder, and leveling, calibrating and tensioning the paper by using a positioning wheel;

b: paper pressing operation: the paper material is arranged below the paper pressing device, so that the paper material is pressed by each pressing plate of the paper pressing device, and the two sides of the paper material are rolled and move forwards;

c: hot air melting and pressing operation: when the paper material passes through a core pipe of a laminating device, a hot air pipe is used for blowing the parts to be overlapped on the two sides of the paper material, so that a laminating layer on the surface of the paper material is hot-melted into a colloid, the two sides of the paper material are overlapped through a forming hole to form a tubular shape and a laminating part, and the laminating part is rolled by a rolling wheel to form a pipe body;

d: cutting operation: the tube body is conveyed to the cutting device through the conveying device, and the tube body in conveying can be cut by utilizing more than one cutter through movable cutting to form a paper suction tube or a tip paper suction tube.

Then, referring to fig. 12 and fig. 13, when the straw 2 and the tip straw 20 are bonded, a convex portion 2211 is formed at the inner end and the outer end of the bonding portion 221, the sealing degree is not good, and the use is not smooth, in order to make the straw 2 and the tip straw 20 have better sealing degree, as shown in fig. 14 and fig. 15, the paper material 21 is two layers of laminating paper, concave portions 211 in opposite directions are reserved at two ends during the lamination, that is, one end is an upward concave portion 211, and the other end is a downward concave portion 211, when the paper material 21 is rolled into the tube 22, the concave portions 211 at the two ends are just bonded, and have better sealing degree; next, referring to fig. 16 and 17, the concave portions 211 at the two ends of the paper 21 are cut into two oblique sides 212, so that when the paper 21 is rolled into the tube 22, the two oblique sides 212 can be attached to each other without a protruding feeling; referring to fig. 18 and 19, the paper 21 has a layered structure in which the lower layer has a length greater than that of the upper layer, so that recesses 211 are formed at both ends in the same direction, the recesses 211 at one end are rolled to form an indent 213, and when the paper 21 is rolled into the tube 22, the indent 213 is embedded at the other end to make the tube 22 flat and smooth.

In conclusion, the structure adopted by the invention is simple and easy, but breaks through the traditional method that the paper suction pipe is made by the method of attaching spiral paper winding and adhesive, hot air is used for hot melting the surface of the paper material to enable the overlapped parts at the two sides to be attached, or high frequency or ultrasonic waves are matched for hot pressing and adhering the attached parts, so that the invention has no adhesive residue, particularly has low construction cost and quick manufacture, effectively reduces the manufacture cost of the paper suction pipe, solves the problem that the paper suction pipe can not be generalized for a long time, has excellent economic benefit, and has the effects of environmental protection and carbon reduction.

Claims

1. The invention relates to a forming machine for manufacturing a paper suction pipe, which can convey paper materials to a cutting device from a paper feeding machine, and is characterized by comprising the following components:

a paper feeder having a plurality of aligning wheels for leveling, aligning and tensioning the paper;

a paper pressing device which is positioned in front of the paper feeding machine and can curl two sides of the stretched paper upwards, and consists of a first pressing plate, a second pressing plate, a third pressing plate, a fourth pressing plate and a bottom plate, wherein the bottom plate is arranged below each pressing plate, the first pressing plate, the second pressing plate, the third pressing plate and the fourth pressing plate are all gradually contracted downwards into an arc part, the change of the arc part is gradually contracted from back to front into an arc from a semi-arc in sequence, balls are arranged at the bottom end of the arc part, the bottom plate is matched with the change of the arc parts of the first pressing plate, the second pressing plate, the third pressing plate and the fourth pressing plate, the arc part is tilted forwards into a spherical surface, and two end edges of the bottom plate are provided with a seam for positioning and advancing the paper;

a laminating device sets up in this presser device the place ahead, can paste into the body with this paper material both sides coincide, and it includes: the device comprises a core pipe, a hot air pipe, a forming hole and a rolling wheel, wherein the core pipe is provided with a plurality of vent holes, and gas is introduced into the core pipe through an air inlet pipe;

a conveying device which is arranged in front of the laminating device, a group of conveying wheels are formed by combining two rotating wheels with a belt, and the two groups of conveying wheels clamp the two sides of the pipe body so as to convey the pipe body;

and the cutting device is positioned in front of the conveying device and is provided with more than one cutter, a positioning frame and a cutting table, and the cutting device can cut the tube body into the suction tube at fixed time and fixed point.

2. The straw-forming machine according to claim 1, wherein the cutter is provided with at least one bevel cutter.

3. The straw-forming machine according to claim 1, wherein the web is passed through the forming hole of the laminating device so that the web can be folded up on both sides to have a laminating portion and can be rolled from a flat surface into a tube.

4. The machine for forming drinking straws as claimed in claim 1, wherein the rolling wheel of the adhering device has one of high frequency and ultrasonic wave to adhere the adhering portion of the paper material by hot pressing.

5. The straw forming machine of claim 1, wherein the positioning frame of the cutting device can move up and down and back and forth, and can perform a movable cutting operation in accordance with the moving speed of the tube.

6. The straw forming machine of claim 1, wherein a sensor is disposed between the cutting device and the conveyor, the sensor is connected to a circuit of a positioning frame of the cutting device, and the sensor is configured to activate the positioning frame to drive the cutter to cut after a certain period of time has elapsed since the tube has been formed.

7. The straw forming machine of claim 1, wherein the two ends of the web are formed with oppositely directed recesses that are aligned when the web is rolled into a tube.

8. The straw forming machine of claim 7, wherein the recesses are cut to form two beveled edges that engage when the web is rolled into a tube.

9. The straw forming machine of claim 1, wherein the two ends of the paper stock are formed with recesses in the same direction, and the recesses on one end are rolled to form a notch, and when the paper stock is rolled into a tube, the other end is inserted into the notch, so that the recesses are adhered to each other.

10. A method for manufacturing a paper straw by using the forming machine according to claim 1, comprising the steps of:

c: hot air melting and pressing operation: when the paper material passes through a core pipe of a laminating device, a hot air pipe is used for blowing the parts to be laminated on the two sides of the paper material, so that a laminating layer on the surface of the paper material is hot-melted into a colloid, the two sides of the paper material are laminated through a forming hole to form a tubular shape and a laminating part, and the laminating part is rolled by a rolling wheel to form a pipe body;