CN110065106B - Compression molding process applied to adsorption cotton molding equipment - Google Patents
Compression molding process applied to adsorption cotton molding equipment Download PDFInfo
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- CN110065106B CN110065106B CN201910340764.8A CN201910340764A CN110065106B CN 110065106 B CN110065106 B CN 110065106B CN 201910340764 A CN201910340764 A CN 201910340764A CN 110065106 B CN110065106 B CN 110065106B
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- adsorption cotton
- tension
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- cutting
- cotton
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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
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
- B26F1/42—Cutting-out; Stamping-out using a press, e.g. of the ram type having a pressure roller
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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
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention discloses a compression molding process applied to adsorption cotton molding equipment, which comprises the following steps of cutting edge abrasion and pressure compensation testing, wherein the accumulated number of rotation cycles is n1 when the adsorption cotton is subjected to a connection phenomenon, the minimum supercharging value for eliminating the connection phenomenon is △ F, the accumulated number of rotation cycles is n2 when the circumferential dimension of the adsorption cotton exceeds the error range, the reduced tension is △ T when the adsorption cotton is recovered to the standard dimension, a controller performs compensation parameter setting, performs compensation setting on a pressure regulating mechanism and performs compensation setting on a tension control mechanism.
Description
Technical Field
The invention relates to a compression molding process applied to adsorption cotton molding equipment, and belongs to the technical field of compression molding processes.
Background
The adsorption cotton is a commonly used material with adsorption and filtration functions, and is widely applied to the fields of chemical industry, life, traffic, medical treatment and the like.
In practical application, the absorbent cotton needs to be cut, the requirement of a cavity of an implanted product is met, and the product comprises an atomizer of an electronic cigarette, a filter mask, a gas mask and various filter elements.
At present, a rectangular adsorption cotton block is small in size, generally 2-3 mm by 5-10 mm, and is obtained by cutting an adsorption cotton plate or an adsorption cotton roll.
In the prior art, the individual cutting is generally carried out after the cutting into strips, the precision of the adsorption cotton block is lower, the production efficiency is lower, in addition, the pressing and cutting equipment with higher efficiency is also provided, the pressing and cutting are carried out through a die, and the multilayer adsorption cotton plate is pressed and cut at one time, but because the adsorption cotton plate per se has certain elastic deformation, the deformation can exist in the pressing and cutting process, so the product precision is lower, in addition, the formed adsorption cotton block in the cutting joint is required to be ejected out through an ejection mechanism after the pressing, the secondary deformation of the adsorption cotton block can be caused during the ejection, and the product percent of pass is low.
And the die-cutting mechanism of traditional embossing roller and follower roll hardly is suitable for the cotton flexible material of similar absorption, on the one hand, there is stress distribution between embossing roller and the follower roll, the response pressure of roller both sides is not enough, cause easily that absorption cotton cross cutting back disjunctor, the product percent of pass is low, on the other hand, type groove on the embossing roller can hinder the absorption cotton after the cross cutting, absorption cotton after the cross cutting breaks away from in difficult follow type groove under no external force influence, need sweep through artifical use pappus brush, efficiency is lower.
In view of the situation, the company applies for the invention patent of the adsorption cotton die pressing roller with the material pushing function, and natural demoulding can be realized by the elastic material pushing layer additionally arranged in the die cutting cavity.
In the practical application in-process discovery, along with the cutting wearing and tearing of axial cutting edge and circumference cutting edge, cutting edge radial dimension can shorten and elastic layer pressure is too big to lead to adsorbing cotton piece disjunctor phenomenon to appear, to this phenomenon, moulding roller and follower roller have carried out pressure adjustment, the disjunctor phenomenon has been solved, however, the condition that the cotton piece size of having appeared again adsorbing diminishes leads to the product qualification rate to produce great influence, when the size diminishes appears, the direct cross cutting axial region of changing generally.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides a compression molding process applied to adsorption cotton molding equipment, aiming at the problems that the compression-cutting conjoined body and the size are easy to reduce due to the abrasion of a cutting edge in the adsorption cotton molding equipment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the compression molding process applied to the adsorption cotton molding equipment comprises an adsorption cotton molding roller, a follower roller, a rotating motor for driving the adsorption cotton molding roller to rotate, a pressure adjusting mechanism for controlling the pressure between the adsorption cotton molding roller and the follower roller, a tension control mechanism for controlling the unreeling tension of the adsorption cotton, and a controller for controlling the pressure adjusting mechanism and the tension control mechanism,
wherein, a die cutting shaft part which is radially outwards protruded is arranged on the adsorption cotton die pressing roller, a plurality of axial cutting edges which are axially and uniformly distributed and a plurality of circumferential cutting edges which are axially and uniformly distributed are arranged on the die cutting shaft part, a plurality of die cutting cavities are formed between the axial cutting edges and the circumferential cutting edges, an elastic material pushing layer is arranged in any die cutting cavity,
the compression molding process comprises the following steps:
s1 cutting edge wear and pressure compensation test,
the cumulative rotating circumference of the adsorption cotton embossing roller is n1 when the cutting edge is pressed and cut to the state that the phenomenon of cotton adsorption connection occurs,
the minimum pressure adjustment for eliminating the connection phenomenon is carried out through the pressure adjusting mechanism, and the minimum pressurization value is △ F;
s2 adsorption cotton draw compensation test,
the cumulative rotating circumference of the adsorption cotton embossing roller is n2 when the circumferential dimension of the adsorption cotton exceeds the error range through the pressure cutting of the cutting edge,
tension adjustment is carried out on the circumferential drawing size compensation to a standard size through a tension control mechanism, and the reduced tension is △ T;
the S3 controller makes the compensation parameter setting,
the pressure adjusting mechanism is arranged in a compensating way, and △ F is increased when the adsorption cotton compression molding roller runs for n1 cycles;
and (3) compensating the tension control mechanism, reducing △ T when the adsorption cotton embossing roller runs for n2 circles, and triggering to stop when the tension of the tension control mechanism is zero.
Preferably, in step S3, △ F is calculatedAre all made of＝△F/n1、△TAre all made of△ T/n2, the controller is set to regulate the pressure regulating mechanism and the tension controlling mechanism at the same frequency, and the pressure regulating mechanism is regulated at n times △ F every n cyclesAre all made ofEvery n cycles, n × △ T is performed on the tension control mechanismAre all made ofThe amount of adjustment of (a) is,
wherein, △ FAre all made ofIn order to adjust the pressure value on average per week,△Tare all made ofTension values were adjusted for weekly averages.
The invention has the following beneficial effects:
1. the automatic pressure compensation and tension release of the absorption cotton molding equipment can be realized, the conjoined phenomenon of absorption cotton in the pressing and cutting process is reduced, and the pressing and cutting size precision of the absorption cotton is met.
2. The tension release is used as a size compensation mode, so that the service life of the die cutting shaft part is prolonged, and the die cutting machine has high economic value.
3. The tension adjustment and the pressure adjustment have a coordination period, so that the control of the controller is convenient, and the programming operation is simplified.
Drawings
FIG. 1 is a schematic flow chart of a compression molding process applied to an adsorption cotton molding device.
Detailed Description
The invention provides a compression molding process applied to adsorption cotton molding equipment. The technical solution of the present invention is described in detail below with reference to the accompanying drawings so that it can be more easily understood and appreciated.
Be applied to compression molding process that adsorbs cotton molding equipment, adsorb cotton molding equipment is including adsorbing cotton molding press roller, the follower roll, a rotating electrical machines for driving to adsorb cotton molding press roller rotation, a pressure adjustment mechanism for controlling adsorb pressure between cotton molding press roller and the follower roll, a tension control mechanism for controlling adsorb cotton and unreel tension, and the controller that controls pressure adjustment mechanism and tension control mechanism, wherein, be equipped with the cross cutting axial part of radial evagination on the adsorption cotton molding press roller, be equipped with a plurality of axial evenly distributed's axial cutting edge on the cross cutting axial part, and a plurality of axial evenly distributed's circumference cutting edge, form a plurality of cross cutting die cavities between axial cutting edge and the circumference cutting edge, be equipped with the elasticity bed of material in the arbitrary cross cutting die cavity.
Specifically speaking, the adsorption cotton molding press belongs to the prior art, and shearing force to the adsorption cotton is generated through relative operation between two roller bodies, so that the adsorption cotton is cut.
The tension control mechanism is used for controlling the drawing state of the adsorption cotton, the adsorption cotton is in a relaxation state in the cutting operation process, and the pressure adjusting mechanism is used for controlling the pressure cutting force to ensure that the adsorption cotton can be separated after being subjected to pressure cutting.
The compression molding process in the scheme is shown in figure 1 and comprises the following steps:
s1 cutting edge wear and pressure compensation test,
the cumulative rotating circumference of the adsorption cotton embossing roller is n1 when the cutting edge is pressed and cut to the state that the phenomenon of cotton adsorption connection occurs,
and the minimum pressure adjustment for eliminating the connecting phenomenon is carried out through the pressure adjusting mechanism, and the minimum pressurization value is △ F.
Specifically, during the pressing and cutting process, the radial dimension of the cutting edge is reduced, which is a relatively slow process, and generally occurs about 300-350 weeks, after the cotton absorption connection occurs, a monitoring person can manually perform pressure compensation, the pressure compensation is difficult to adjust accurately, compensation is generally performed according to the rated pressure of equipment, and the monitoring is often not in place, so that a large amount of connected absorption cotton occurs. The scheme can obtain a scientific periodic adjusting value through a pressure compensation test, and can prevent the connection through periodic adjusting compensation.
In addition, the most reasonable adjusting pressure and period are needed to be obtained, the situation that the pressure is too high is prevented, the pressure cutting of the adsorption cotton is easy to distort after the pressure is too high, and particularly under the condition of constant tension control, the situations that the cutting edge is excessively worn and the adsorption cotton is embedded into the cutting groove to be discharged inefficiently are also easy to cause.
S2 adsorption cotton draw compensation test,
the cumulative rotating circumference of the adsorption cotton embossing roller is n2 when the circumferential dimension of the adsorption cotton exceeds the error range through the pressure cutting of the cutting edge,
tension adjustment of circumferential draw size compensation to a standard size was performed by a tension control mechanism, and the reduced tension was △ T.
Specifically, the applicant finds that in the process of adjusting the equipment, when the tension is reduced, the drawing state of the adsorption cotton retracts, and the retraction amount can compensate the cutting size of the adsorption cotton, so that the shrinkage rate is controlled by reducing the tension, and the size compensation effect can be met.
The S3 controller makes the compensation parameter setting,
the pressure adjusting mechanism is arranged in a compensating way, and △ F is increased when the adsorption cotton compression molding roller runs for n1 cycles;
and (3) compensating the tension control mechanism, reducing △ T when the adsorption cotton embossing roller runs for n2 circles, and triggering to stop when the tension of the tension control mechanism is zero.
The controller is programmed to control the pressure regulating mechanism and the tension controlling mechanism periodically, so that the production requirement of the absorbent cotton is met, and it should be noted that when the tension of the general tension controlling mechanism is zero, the die cutting shaft part needs to be replaced, and the absorbent cotton which meets the tolerance requirement cannot be pressed and cut.
In a preferred embodiment, △ F is calculatedAre all made of＝△F/n1、△TAre all made of△ T/n2, the controller is set to regulate the pressure regulating mechanism and the tension controlling mechanism at the same frequency, and the pressure regulating mechanism is regulated at n times △ F every n cyclesAre all made ofEvery n cycles, n × △ T is performed on the tension control mechanismAre all made ofWherein, △ FAre all made ofFor weekly average regulation of pressure values, △ TAre all made ofTension values were adjusted for weekly averages.
The frequency of adjusting pressure and tension is increased, the same-period conversion adjustment is carried out, the adjustment of the two mechanisms can be realized only by one set of programming formula, and the convenience of programming of the controller is improved.
Through the description, the invention can realize automatic pressure compensation and tension release on the absorbent cotton molding equipment, reduce the conjoined phenomenon of absorbent cotton in the press-cutting process and meet the press-cutting size precision of the absorbent cotton. The tension release is used as a size compensation mode, so that the service life of the die cutting shaft part is prolonged, and the die cutting machine has high economic value. The tension adjustment and the pressure adjustment have a coordination period, so that the control of the controller is convenient, and the programming operation is simplified.
The technical solutions of the present invention are fully described above, it should be noted that the specific embodiments of the present invention are not limited by the above description, and all technical solutions formed by equivalent or equivalent changes in structure, method, or function according to the spirit of the present invention by those skilled in the art are within the scope of the present invention.
Claims (2)
1. The compression molding process applied to the adsorption cotton molding equipment comprises an adsorption cotton molding roller, a follower roller, a rotating motor for driving the adsorption cotton molding roller to rotate, a pressure adjusting mechanism for controlling the pressure between the adsorption cotton molding roller and the follower roller, a tension control mechanism for controlling the unreeling tension of the adsorption cotton, and a controller for controlling the pressure adjusting mechanism and the tension control mechanism,
wherein, a die cutting shaft part which is radially outwards protruded is arranged on the adsorption cotton die pressing roller, a plurality of axial cutting edges which are uniformly distributed in the circumferential direction and a plurality of circumferential cutting edges which are uniformly distributed in the axial direction are arranged on the die cutting shaft part, a plurality of die cutting cavities are formed between the axial cutting edges and the circumferential cutting edges, an elastic material pushing layer is arranged in any die cutting cavity,
the compression molding process is characterized by comprising the following steps:
s1 cutting edge wear and pressure compensation test,
the cumulative rotating circumference of the adsorption cotton embossing roller is n1 when the cutting edge is pressed and cut to the state that the phenomenon of cotton adsorption connection occurs,
the minimum pressure adjustment for eliminating the connection phenomenon is carried out through a pressure adjusting mechanism, and the minimum pressurization value is delta F;
s2 adsorption cotton draw compensation test,
the cumulative rotating circumference of the adsorption cotton embossing roller is n2 when the circumferential dimension of the adsorption cotton exceeds the error range through the pressure cutting of the cutting edge,
tension adjustment is carried out on the circumferential drawing size compensation to a standard size through a tension control mechanism, and the reduced tension is delta T;
the S3 controller makes the compensation parameter setting,
the pressure adjusting mechanism is compensated, and delta F is increased when the adsorption cotton compression molding roller runs for n1 cycles;
and (4) compensating the tension control mechanism, reducing delta T when the adsorption cotton embossing roller runs for n2 circles, and triggering to stop when the tension of the tension control mechanism is zero.
2. The compression molding process applied to the adsorption cotton molding equipment according to claim 1, characterized in that:
in step S3, Δ F is calculatedAre all made of＝ΔF/n1、ΔTAre all made ofSetting the same frequency regulation of the controller to the pressure regulating mechanism and the tension controlling mechanism as delta T/n2, and carrying out n x delta F on the pressure regulating mechanism every n cyclesAre all made ofEvery n cycles of the adjustment of (c) to the tension control mechanismAre all made ofThe amount of adjustment of (a) is,
wherein, Δ FAre all made ofFor weekly average regulation of pressure values, Δ TAre all made ofTension values were adjusted for weekly averages.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910340764.8A CN110065106B (en) | 2019-04-25 | 2019-04-25 | Compression molding process applied to adsorption cotton molding equipment |
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| CN201910340764.8A CN110065106B (en) | 2019-04-25 | 2019-04-25 | Compression molding process applied to adsorption cotton molding equipment |
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| CN110065106B true CN110065106B (en) | 2020-08-07 |
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