CN111216195B - Secondary intermittent punching device and method for composite fabric - Google Patents
Secondary intermittent punching device and method for composite fabric Download PDFInfo
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- CN111216195B CN111216195B CN201911094457.2A CN201911094457A CN111216195B CN 111216195 B CN111216195 B CN 111216195B CN 201911094457 A CN201911094457 A CN 201911094457A CN 111216195 B CN111216195 B CN 111216195B
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- roller
- composite fabric
- punching
- needle
- concave
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/24—Perforating by needles or pins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/10—Means for treating work or cutting member to facilitate cutting by heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/14—Means for treating work or cutting member to facilitate cutting by tensioning the work
Abstract
The invention relates to the field of production equipment of hygienic products, in particular to a secondary intermittent punching device for a composite fabric, which comprises a rack, a punching mechanism and a driving mechanism, wherein the punching mechanism is arranged on the rack and comprises a needle roller I, a concave roller and a needle roller II, the needle roller I, the concave roller and the needle roller II are rotatably arranged on the rack from bottom to top, a plurality of first felting needles for performing primary punching on the composite fabric and a first positioning needle for positioning the composite fabric are arranged on the outer side surface of the circumference of the needle roller I, a plurality of second felting needles for performing secondary punching on the composite fabric and a second positioning needle for positioning the composite fabric are arranged on the outer side surface of the circumference of the needle roller II, and concave holes corresponding to the first felting needles, the second felting needles and the first positioning needles and the second positioning needles are arranged on the outer side surface of the circumference of the concave roller. The invention is applied to the punching process of the composite fabric compounded by multiple layers of materials, and can reduce the problems of wrinkles generated by the composite fabric during punching and poor punching effect.
Description
Technical Field
The invention relates to the field of sanitary product production equipment, in particular to a secondary intermittent punching device and a secondary intermittent punching method for a composite fabric.
Background
In the prior art, a punching device is shown in No. CN 207578557U, which includes a pressurizing screw, a slider, a punching roller, and a bottom roller, wherein the pressurizing screw is fixed on an upper cover plate through a gland, the slider is connected with the pressurizing screw through a transfer rod, the punching roller is fixedly connected with the slider through a bearing, the bottom roller is fixedly connected with a side plate through a second bearing, the side plate is fixed with the upper cover plate, a bottom plate and a centering rod through screws and pins, a wedge and an adjusting screw are clamped between the slider and the side plate, both the bearing and the second bearing are provided with bearing caps, and oil seals are embedded on the bearing caps; the edge on the perforating roller is conical, and when contacting the bottom roller, the material is cut through rolling.
Which shows the basic structure of the perforating device used when perforating the sanitary product.
When the punching equipment with the structure is applied to a composite fabric (taking the composite fabric of the surface layer non-woven fabric and the diversion layer non-woven fabric as an example), two problems exist:
1. after the surface layer non-woven fabric is glued and then compounded with the flow guide layer non-woven fabric, the surface layer non-woven fabric is directly punched without being fully flattened, and the smoothness of punched holes cannot be ensured;
2. the punching process time is short, and the hole pattern of the punched hole is easy to convey, straighten and smooth after the composite material is punched and is stretched in further conveying, so that the punched hole can hardly achieve the ideal effect.
Disclosure of Invention
Therefore, the invention provides a secondary intermittent punching device for a composite fabric, solves the problems that when punching equipment used in the production of the existing sanitary product aims at the composite fabric, the flatness after punching is poor, and the effect of punched holes is not ideal, and also discloses a punching method of the device.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a compound surface fabric secondary is interrupted acanthopore device, includes the frame, locates acanthopore mechanism and actuating mechanism in the frame, acanthopore mechanism includes from lower supreme rotatable needle roller one, concave roller, the needle roller two of locating in the frame, needle roller one, concave roller, needle roller two are connected the setting with actuating mechanism transmission respectively, a circumference lateral surface of needle roller is equipped with a plurality of felting needle one that are used for carrying out a acanthopore to compound surface fabric and is used for carrying out the pilot pin one that fixes a position to compound surface fabric, be equipped with a plurality of felting needle two that are used for compound surface fabric to carry out secondary acanthopore and be used for carrying out the pilot pin two that fixes a position to compound surface fabric on the circumference lateral surface of needle roller two, be equipped with on the circumference lateral surface of concave roller corresponding each felting needle one, felting needle two and each pilot pin one, pilot pin two's shrinkage pool, needle roller one, concave roller and needle roller two are equipped with heating device respectively, be located be equipped with the input deflector roll on the frame of acanthopore mechanism one side and make compound surface fabric through this input deflector roll After guiding, the composite fabric enters the primary punching hole and is wrapped on the arc-shaped surface of the concave roller at an angle of 50-70 degrees along the circumferential direction, an output guide roller is arranged on the rack on one side of the punching mechanism, and the composite fabric is led by the output guide roller from the secondary punching hole and is wrapped on the arc-shaped surface of the concave roller at an angle of 50-70 degrees along the circumferential direction before being separated from the concave roller.
Preferably, the axial lead of the concave roller is taken as an original point, and the included angle between the axial lead of the needle roller and the line connecting the original points along the circumferential direction of the concave roller is between 150 and 230 degrees.
Preferably, the input guide roller leads the composite fabric to enter the primary punching hole after being guided by the input guide roller, and the composite fabric is wrapped on the arc-shaped surface of the concave roller by an angle of 60 degrees along the circumferential direction.
Preferably, the output guide roller enables the composite fabric to wrap the arc-shaped surface of the concave roller by an angle of 60 degrees along the circumferential direction after the composite fabric is subjected to secondary punching and guided by the output guide roller to be separated from the concave roller.
Preferably, the included angle between the connection line of the axial lead of the needle roller and the original point respectively and the circumferential direction of the concave roller is 180 degrees.
Preferably, the first positioning needle and the second positioning needle are respectively arranged at the two axial ends of the first needle roller and the second needle roller.
A punching method using a secondary intermittent punching device for a composite fabric comprises the following steps:
firstly, gluing and rectifying materials of all layers, and then compounding to form a composite fabric;
secondly, the composite fabric is guided by an input guide roller to enter a space between a needle roller I and a concave roller for primary punching, and before the primary punching, the arc-shaped surface of the concave roller is coated by the composite fabric, wherein the angle of the arc-shaped surface of the concave roller along the circumferential direction is 50-70 degrees;
after primary punching, continuously conveying the composite fabric, and enabling the composite fabric to enter a space between the needle roller II and the concave roller for secondary punching, wherein an included angle between the primary punching and the secondary punching in the circumferential direction of the concave roller coated by the composite fabric is between 150 and 230 degrees;
fourthly, continuously conveying the composite fabric after secondary punching into an output guide rail, and under the guidance of the output guide rail, coating the arc-shaped surface of the concave roller before the composite fabric is separated from the concave roller, wherein the angle of the arc-shaped surface of the concave roller along the circumferential direction is 50-70 degrees;
and fifthly, continuously conveying after secondary punching to finish the punching process.
Preferably, in the first to fifth steps, the first pin roller, the second pin roller and the concave roller are kept in a heating state.
By adopting the technical scheme, the invention has the beneficial effects that:
the invention structurally increases the piercing effect of the composite material by setting two piercing procedures;
by setting the input guide roller, the composite material covers the concave roller for a certain angle before primary punching, and is fully flattened, so that the problem that the punching is easy to generate wrinkles when the composite material is not fully flattened is solved;
after primary punching, the composite material is wound around the concave roller for heating at a certain angle, and then secondary punching is carried out, wherein the composite material is fully and uniformly heated in the process, so that the punching effect of the composite material is improved;
after the composite material passes through the secondary piercing, the output guide roller is set, so that the composite material is wound on the concave roller for a certain angle and then is smoothly pulled out of the piercing mechanism, and the composite material can be prevented from being pulled out of the piercing mechanism too early and being scratched by a needle roller of the secondary piercing;
and the needle roller I and the needle roller II are both provided with continuous positioning needles, so that continuous auxiliary puncture holes are formed in the composite material in the two-puncture-hole process, and the composite material and the concave roller are prevented from sliding relatively.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a composite fabric processed by the puncture device in the embodiment of the invention.
Detailed Description
The following detailed description will be provided for the embodiments of the present invention with reference to specific embodiments, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Examples
Referring to fig. 1 and 2, a secondary intermittent punching device for a composite fabric comprises a frame 1, a punching mechanism and a driving mechanism (not shown in the figure) which are arranged on the frame 1, wherein the punching mechanism comprises a needle roller I2, a concave roller 3 and a needle roller II 4 which are rotatably arranged on the frame from bottom to top, concretely, the centers of the needle roller I, the concave roller and the needle roller II are positioned on the same vertical line, the needle roller I2, the concave roller 3 and the needle roller II 4 are respectively in transmission connection with the driving mechanism, a plurality of first puncture needles for performing primary punching on the composite fabric and a positioning needle I for positioning the composite fabric are arranged on the outer side surface of the circumference of the needle roller I2, a plurality of second puncture needles for performing secondary punching on the composite fabric and a positioning needle II for positioning the composite fabric are arranged on the outer side surface of the circumference of the needle roller II, and a plurality of second puncture needles for positioning the composite fabric are arranged on the outer side surface of the circumference of the concave roller I, and the second puncture needles corresponding to the first puncture needles, The second felting needle and the concave holes of the first positioning needle and the second positioning needle are respectively provided with a needed pricking hole a positioned in the middle of the composite fabric, the first positioning needle and the second positioning needle are provided with continuous auxiliary pricking holes b positioned on two sides of the composite fabric, as shown in figure 2, the first needle roller 2, the concave roller 3 and the second needle roller 4 are respectively provided with a heating device (not shown in the figure), a rack positioned on one side of the pricking mechanism is provided with an input guide roller 5, the composite fabric is guided by the input guide roller and then enters a primary pricking hole, and the angle alpha of the arc-shaped surface of the concave roller 3 is coated along the circumferential direction is between 50 and 70 degrees, by the structure, each layer of material of the composite fabric can be coated with the concave roller for a certain angle before entering the primary pricking hole, and wrinkles are reduced to achieve the purpose of fully flattening; in this embodiment, the covering angle of the layer of the composite fabric with the smallest covering angle on the concave roller is 60 degrees;
an output guide roller 6 is arranged on the frame 1 positioned on one side of the punching mechanism, so that the angle of the arc-shaped surface of the composite fabric, which is guided by the output guide roller 6 after secondary punching and is separated from the concave roller, covering the concave roller 3 is 60 degrees along the circumferential direction, and the angle can be changed according to different layer numbers of composite materials and different punching effect requirements and can be between 50 and 70 degrees; the value in the embodiment is 60 degrees, so that the composite material is continuously wound on the concave roller for a certain angle and then is smoothly pulled out of the piercing mechanism, and the composite material can be prevented from being pulled out of the piercing mechanism too early and being scratched by a needle roller for secondary piercing;
meanwhile, the axial lead of the concave roller 3 is used as an original point, and the included angle gamma between the axial lead of the first needle roller 2 and the axial lead of the second needle roller 4 and the original point connecting line along the circumferential direction of the concave roller 3 is 180 degrees and is between 150 and 230 degrees. The composite material is continuously wound around the concave roller for a certain angle and matched with a heating device, and holes at the processing positions of the punched holes are heated in the process, so that the punching effect is ensured;
meanwhile, in the embodiment, the first positioning pin and the second positioning pin are respectively arranged at two axial ends of the first needle roller 2 and the second needle roller 4. The setting is at the axial both ends of needle roller one, needle roller two the benefit of, and structurally, after the combined material process acanthopore, the supplementary acanthopore that pilot pin one and pilot pin two produced is located combined material length direction's both ends, is in leftover bits position, needs to reject in follow-up production for the supplementary acanthopore that produces can not influence the final outward appearance of product.
In this embodiment, the position setting of input deflector roll and output deflector roll for when combined material twines and carries on concave roller, can keep good symmetry at input and output, can improve the atress in input, output process even, avoid the too big influence of the local atress of composite fabric to pierce through the hole effect.
A punching method using a secondary intermittent punching device for a composite fabric comprises the following steps:
firstly, gluing and rectifying materials of all layers, and then compounding to form a composite fabric;
secondly, the composite fabric is guided by an input guide roller to enter a space between a needle roller I and a concave roller for primary punching, and before the primary punching, the angle of the arc-shaped surface of the concave roller coated by the composite fabric along the circumferential direction is 60 degrees;
after primary punching, the composite fabric is continuously conveyed and enters a space between the needle roller II and the concave roller for secondary punching, and an included angle between the primary punching and the secondary punching in the circumferential direction of the concave roller coated by the composite fabric is 180 degrees;
and fourthly, continuously conveying the composite fabric after secondary punching into an output guide rail, and under the guidance of the output guide rail, coating the arc-shaped surface of the concave roller by the composite fabric before the composite fabric is separated from the concave roller, wherein the angle of the arc-shaped surface of the concave roller along the circumferential direction is 60 degrees.
Fifthly, continuously conveying after secondary punching to finish the punching process;
meanwhile, in the first step to the fifth step, the first needle roller, the second needle roller and the concave roller are kept in a heating state. The driving mechanism is a known technology, and is not described herein in detail; as shown in CN 201621448444.2, the above heating device is not described herein for a specific way of heating the piercing mechanism; the above-mentioned plural numbers are positive integers, and the number of the plural numbers can be changed according to the needs, and the number is large, and the number is not constant here.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a compound surface fabric secondary is interrupted thorn hole device, includes the frame, locates thorn hole mechanism and actuating mechanism in the frame, its characterized in that: the punching mechanism comprises a needle roller I, a concave roller and a needle roller II which are rotatably arranged on a rack from bottom to top, the needle roller I, the concave roller and the needle roller II are respectively in transmission connection with a driving mechanism, a plurality of first felting needles for primary punching of the composite fabric and a first positioning needle for positioning the composite fabric are arranged on the outer side surface of the circumference of the needle roller I, a plurality of second felting needles for secondary punching of the composite fabric and a second positioning needle for positioning the composite fabric are arranged on the outer side surface of the circumference of the needle roller II, concave holes corresponding to the first felting needles, the second felting needles and the first positioning needles and the second positioning needles are arranged on the outer side surface of the circumference of the concave roller I, the concave roller and the needle roller II are respectively provided with heating devices, an input guide roller is arranged on the rack on one side of the punching mechanism, the composite fabric is guided by the input guide roller and then enters the primary punching hole to coat the arc surface of the concave roller along the circumferential direction, and the angle is between 50 and 70 degrees, and an output guide roller is arranged on the rack on one side of the punching mechanism, so that the composite fabric is guided by the output guide roller after secondary punching and is separated from the concave roller, and the arc-shaped surface of the concave roller is coated by the composite fabric along the circumferential direction at an angle of 50-70 degrees.
2. The secondary intermittent perforation device for the composite fabric according to claim 1, characterized in that: and the axial lead of the concave roller is taken as an original point, and the included angle between the axial lead of the needle roller and the connecting line of the two axial leads of the needle roller and the original point along the circumferential direction of the concave roller is between 150 and 230 degrees.
3. The secondary intermittent perforation device for the composite fabric according to claim 2, characterized in that: the input guide roller leads the composite fabric to enter the primary punching hole after being guided by the input guide roller, and the angle of the arc-shaped surface of the concave roller coated along the circumferential direction is 60 degrees.
4. The secondary intermittent perforation device for the composite fabric according to claim 2, characterized in that: the output guide roller leads the composite fabric to be separated from the concave roller after secondary punching through the guide of the output guide roller, and the angle of the arc-shaped surface of the concave roller coated along the circumferential direction is 60 degrees.
5. A composite fabric secondary intermittent perforation device as claimed in claim 2, 3 or 4, wherein: and the included angle between the axial lead of the needle roller and the connecting line of the two axial leads of the needle roller and the original point along the circumferential direction of the concave roller is 180 degrees.
6. A composite fabric secondary intermittent perforation device as claimed in claim 2, 3 or 4, wherein: the first positioning needle and the second positioning needle are respectively arranged at the two axial ends of the first needle roller and the second needle roller.
7. A punching method applying the composite fabric secondary intermittent punching device as claimed in claim 1, is characterized by comprising the following steps:
firstly, gluing and rectifying materials of all layers, and then compounding to form a composite fabric;
secondly, the composite fabric is guided by an input guide roller to enter a space between a needle roller I and a concave roller for primary punching, and before the primary punching, the arc-shaped surface of the concave roller is coated by the composite fabric, wherein the angle of the arc-shaped surface of the concave roller along the circumferential direction is 50-70 degrees;
after primary punching, continuously conveying the composite fabric, and enabling the composite fabric to enter a space between the needle roller II and the concave roller for secondary punching, wherein an included angle between the primary punching and the secondary punching in the circumferential direction of the concave roller coated by the composite fabric is between 150 and 230 degrees;
fourthly, continuously conveying the composite fabric after secondary punching into an output guide rail, and under the guidance of the output guide rail, coating the arc-shaped surface of the concave roller before the composite fabric is separated from the concave roller, wherein the angle of the arc-shaped surface of the concave roller along the circumferential direction is 50-70 degrees;
and fifthly, continuously conveying after secondary punching to finish the punching process.
8. The perforation method of the composite fabric secondary intermittent perforation device according to claim 7, characterized in that: in the first to fifth steps, the first needle roller, the second needle roller and the concave roller are kept in a heating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911094457.2A CN111216195B (en) | 2019-11-11 | 2019-11-11 | Secondary intermittent punching device and method for composite fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911094457.2A CN111216195B (en) | 2019-11-11 | 2019-11-11 | Secondary intermittent punching device and method for composite fabric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111216195A CN111216195A (en) | 2020-06-02 |
| CN111216195B true CN111216195B (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911094457.2A Active CN111216195B (en) | 2019-11-11 | 2019-11-11 | Secondary intermittent punching device and method for composite fabric |
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| CN (1) | CN111216195B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4667552A (en) * | 1986-05-22 | 1987-05-26 | Fmc Corporation | Microperforator |
| EP1425143B1 (en) * | 2001-07-03 | 2005-03-16 | Corovin GmbH | Non-woven fabric perforating device and method therefor |
| US9067357B2 (en) * | 2010-09-10 | 2015-06-30 | The Procter & Gamble Company | Method for deforming a web |
| CN203128852U (en) * | 2013-02-06 | 2013-08-14 | 黄山富田精工制造有限公司 | Composite punching device for sanitary product sheets |
| CN207189842U (en) * | 2017-09-06 | 2018-04-06 | 吉安市三江超纤无纺有限公司 | A kind of cutting mode structure of the fiber spun-laced non-woven fabrics of ES |
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- 2019-11-11 CN CN201911094457.2A patent/CN111216195B/en active Active
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