CN109207656B - Leather guniting method - Google Patents
Leather guniting method Download PDFInfo
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- CN109207656B CN109207656B CN201811260869.4A CN201811260869A CN109207656B CN 109207656 B CN109207656 B CN 109207656B CN 201811260869 A CN201811260869 A CN 201811260869A CN 109207656 B CN109207656 B CN 109207656B
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- leather
- encoder
- spray gun
- sensing device
- point
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C15/00—Apparatus for chemical treatment or washing of hides, skins, or leather
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a leather guniting method, when leather passes through a photoelectric sensing device, the leather adopts a first encoder to calculate the stroke to a spraying chamber, and the stroke and a signal of the rotating position of a spray gun in a second encoder of the spraying chamber are synchronously counted, so that the spray gun is driven to spray the leather, and the leather spraying of the spray gun is more accurate.
Description
Technical Field
The invention relates to the field of leather processing, in particular to a leather guniting method.
Background
At present, domestic whitewashing and volume leather are separated, the whitewashing has not appeared yet, the machine of whitewashing, volume leather integration, can not realize carrying out accurate whitewashing at the process of volume leather to the leather, present leather patching machine generally adopts the design of rotation type spray gun, comes the spray gun of control carousel to carry out the whitewashing through photoelectric sensing leather, only confirms the operating condition of spray gun through a signal of photoelectric sensing, causes the whitewashing easily excessively or the whitewashing position is inaccurate.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the related art. Therefore, the invention provides a leather guniting method.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a leather guniting method, comprising the steps of:
1) conveying the leather to a spraying area by using a crawler belt;
2) detecting whether the leather passes through the photoelectric sensing device by using the photoelectric sensing device;
3) a turntable is arranged above the crawler belt, 6 spray guns are arranged on the turntable, the 6 spray guns are uniformly arranged, and a Hall sensor is used for detecting whether the spray guns pass through an initial point;
4) the Hall sensor transmits signals to the second encoder and calculates the rotating distance C0 of each spray gun independently so as to determine the position of each spray gun;
5) taking the direction vertical to the leather transportation direction as the initial position 0 degree of rotation, setting four intersection points of the intersection of the crawler and the turntable as k1, k2, k3 and k4, wherein k1 and k2 are intersection points of the feeding end of the crawler and the turntable, and k3 and k4 are intersection points of the discharging end of the crawler and the turntable, wherein 0 degree is overlapped with 360 degrees;
6) taking the midpoint k5 of k1, k2, k3, k4, k1 and k2 and the midpoint k6 of k3 and k4 as special points; the counting points of the second encoders corresponding to k1, k2, k3, k4, k5 and k6 are Q1, Q2, Q3, Q4, Q5 and Q6.
7) The distance from the photoelectric sensing device to k5 is L1, the distances from the photoelectric sensing device to k1 and k2 are L2, the distances from the photoelectric sensing device to k3 and k4 are L3, and the distance from the photoelectric sensing device to k6 is L4;
8) transmitting a signal of the photoelectric sensing device to a first encoder and starting counting, wherein the initial value is P;
9) dividing the leather into separate areas every m millimeters along the advancing direction of the leather, and dividing the distance from the photoelectric sensing device to the tail end of the spraying area into X transverse unit areas nx;
10) l1, L2, L3 and L4 set the transverse cell zones located in the specific points as n1, n2, n3, n4, n1, n2, n3, n4 as the spray zones, according to the determination; wherein, the counting points of n1, n2, n3 and n4 corresponding to the first encoder are P1, P2, P3 and P4 respectively;
11) when the leather is conveyed to the spraying area and any one spray gun is positioned at a special point, namely the counting points of the first encoder are P1, P2, P3 and P4, and the counting points obtained by the second encoder of any one spray gun are Q1, Q2, Q3, Q4, Q5 and Q6, any one spray gun is started.
As an improvement of the above technical solution, wherein P1＝L1/m，P2＝L2/m，P3＝L3/m，P4＝L3/m。
As a further improvement of the above technical solution, when the leather is at the feeding end, P1，P2，P3，P4Removing decimal and rounding the obtained numerical value; when located at the discharge end P1，P2，P3，P4Any decimal value is rounded to one.
Further, the first encoder and the second encoder each include a high-speed counter.
Further, the method also comprises the following steps:
the central area is set as an area G which contains special points k5 and k6 and has the spraying ranges of k5 +/-25 degrees and k6 +/-25 degrees; correspondingly, the distance between the discharge end of n1 and the photoelectric sensing device is L11, the distance between the feed end of n4 and the photoelectric sensing device is L41, and the working area corresponding to n1 is (L1/m) and the remainder is from integer to (L11/m) decimal to one; the working area of n4 is (L41/m) rounded to (L4/m) decimal.
The invention has the beneficial effects that: when leather passes through a photoelectric sensing device, the leather adopts a first encoder to calculate the stroke to a spraying chamber, and the stroke and a signal of the rotating position of a spray gun in a second encoder from the spraying chamber are synchronously counted, so that the spray gun is driven to spray the leather, and the spray gun is enabled to spray the leather more accurately.
Detailed Description
The invention relates to a leather guniting method, which comprises the following steps:
1) conveying the leather to a spraying area by using a crawler belt;
2) detecting whether the leather passes through the photoelectric sensing device by using the photoelectric sensing device;
3) a turntable is arranged above the crawler belt, 6 spray guns are arranged on the turntable, the 6 spray guns are uniformly arranged, and a Hall sensor is used for detecting whether the spray guns pass through an initial point;
4) the Hall sensor transmits signals to the second encoder and calculates the rotating distance C0 of each spray gun independently so as to determine the position of each spray gun;
5) taking the direction vertical to the leather transportation direction as the initial position 0 degree of rotation, setting four intersection points of the intersection of the crawler and the turntable as k1, k2, k3 and k4, wherein k1 and k2 are intersection points of the feeding end of the crawler and the turntable, and k3 and k4 are intersection points of the discharging end of the crawler and the turntable, wherein 0 degree is overlapped with 360 degrees;
6) taking the midpoint k5 of k1, k2, k3, k4, k1 and k2 and the midpoint k6 of k3 and k4 as special points; the counting points of the second encoders corresponding to k1, k2, k3, k4, k5 and k6 are Q1, Q2, Q3, Q4, Q5 and Q6.
7) The distance from the photoelectric sensing device to k5 is L1, the distances from the photoelectric sensing device to k1 and k2 are L2, the distances from the photoelectric sensing device to k3 and k4 are L3, and the distance from the photoelectric sensing device to k6 is L4;
8) transmitting a signal of the photoelectric sensing device to a first encoder and starting counting, wherein the initial value is P;
9) dividing the leather into separate areas every m millimeters along the advancing direction of the leather, and dividing the distance from the photoelectric sensing device to the tail end of the spraying area into X transverse unit areas nx;
10) l1, L2, L3 and L4 set the transverse cell zones located in the specific points as n1, n2, n3, n4, n1, n2, n3, n4 as the spray zones, according to the determination; wherein, the counting points of n1, n2, n3 and n4 corresponding to the first encoder are P1, P2, P3 and P4 respectively;
11) when the leather is conveyed to the spraying area and any one spray gun is positioned at a special point, namely the counting points of the first encoder are P1, P2, P3 and P4, and the counting points obtained by the second encoder of any one spray gun are Q1, Q2, Q3, Q4, Q5 and Q6, any one spray gun is started.
In the course of the work, when the leather passes through the photoelectric sensing device, the leather adopts first encoder to calculate the stroke of spouting the room to confirm through first encoder whether the leather gets into the spraying district, make synchronous count with the signal that comes from spray gun rotational position in the second encoder of spouting the room simultaneously, get into the spraying district when the leather, and when the spray gun was in special point, the drive spray gun spouted the skin, made the spray gun spout the skin more accurately.
As an improvement of the above technical solution, wherein P1＝L1/m，P2＝L2/m，P3＝L3/m，P4＝L3And one area is arranged every m millimeters and is used as a counting index of the first encoder, so that the leather position is more accurate.
As a further improvement of the above technical solution, when the leather is at the feeding end, P1，P2，P3，P4Removing decimal and rounding the obtained numerical value; when located at the discharge end P1，P2，P3，P4Any decimal value is rounded to one.
When the spray gun is started, the material is not allowed to pass through the spray gun for spraying, so that the selection of the spraying starting area value is the distance L/m of the peculiar point, and the decimal fraction of the value is removed and rounded; when the spray gun is closed, the material must be stopped after completely leaving the spray gun, so the ending area value is a specific point distance L/m, and any decimal value is rounded by 1.
Preferably, the first encoder and the second encoder each comprise a high speed counter. Because the first encoder and the second encoder count through the pulse, and the speed of the pulse is very fast, therefore, need satisfy the demand through high-speed counter.
Preferably, in one embodiment, the method further comprises the following steps:
in order to prevent the spraying of the areas with defects, the gun action areas of the corresponding longitudinal zones are widened, so that the areas are divided into 3 areas in the direction perpendicular to the conveying direction of the crawler, wherein the central area is set as an area G, the area G comprises special points k5 and k6, and the spraying range of the area G is k5 +/-25 degrees, and k6 +/-25 degrees; correspondingly, the distance between the discharge end of n1 and the photoelectric sensing device is L11, the distance between the feed end of n4 and the photoelectric sensing device is L41, and the working area corresponding to n1 is (L1/m) and the remainder is from integer to (L11/m) decimal to one; the working area of n4 is (L41/m) rounded to (L4/m) decimal. Ensuring the skin spraying to be even.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. A leather guniting method is characterized in that: the method comprises the following steps:
1) conveying the leather to a spraying area by using a crawler belt;
2) detecting whether the leather passes through the photoelectric sensing device by using the photoelectric sensing device;
3) a turntable is arranged above the crawler belt, 6 spray guns are arranged on the turntable, the 6 spray guns are uniformly arranged, and a Hall sensor is used for detecting whether the spray guns pass through an initial point;
4) the Hall sensor transmits signals to the second encoder and calculates the rotating distance C of each spray gun independently0Determining the position of each spray gun;
5) taking the direction vertical to the leather conveying direction as the initial position 0 degree of rotation, and setting four intersection points of the track and the turntable as k1，k2，k3，k4Wherein k is1And k2Is the intersection point of the feeding end of the crawler belt and the rotary table, k3And k4Is the intersection point of the discharge end of the crawler belt and the turntable, wherein 0 degree is superposed with 360 degrees;
6) get k1，k2，k3，k4，k1And k2Midpoint k of5And k is3And k4Midpoint k of6Is a special point; wherein k is1，k2，k3，k4，k5，k6The corresponding counting point of the second encoder is Q1，Q2，Q3，Q4，Q5，Q6；
7) Setting the photo-electric sensing device to k5Is a distance L1To k to1And k2Is a distance L2To k to3And k4Is a distance L3To k to6Is a distance L4；
8) Transmitting a signal of the photoelectric sensing device to a first encoder and starting counting, wherein the initial value is P;
9) dividing the leather into separate areas every m mm along the leather advancing direction, and dividing the distance from the photoelectric sensing device to the tail end of the spraying area into X transverse unit areas nx；
10)L1，L2，L3And L4According to the determination that the transverse unit area located in the specific point is n1，n2，n3，n4Setting n1，n2，n3，n4Is a spraying area; wherein n is1，n2，n3，n4The counting points respectively corresponding to the first encoders are P1，P2，P3，P4；
11) When the leather is conveyed to the spraying area and any one spray gun is positioned at a special point, namely the counting point of the first encoder is P1，P2，P3，P4The count point obtained by the second encoder of any spray gun is Q1，Q2，Q3，Q4，Q5，Q6Starting any spray gun;
wherein P is1＝L1/m，P2＝L2/m，P3＝L3/m，P4＝L3/m；
Wherein when the leather is at the feeding end, P1，P2，P3，P4Removing decimal and rounding the obtained numerical value; when located at the discharge end P1，P2，P3，P4Any decimal value is rounded to 1.
2. A leather guniting method according to claim 1, wherein: the first encoder and the second encoder each include a high speed counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260869.4A CN109207656B (en) | 2018-10-26 | 2018-10-26 | Leather guniting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260869.4A CN109207656B (en) | 2018-10-26 | 2018-10-26 | Leather guniting method |
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| Publication Number | Publication Date |
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| CN109207656A CN109207656A (en) | 2019-01-15 |
| CN109207656B true CN109207656B (en) | 2021-07-20 |
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| CN201811260869.4A Active CN109207656B (en) | 2018-10-26 | 2018-10-26 | Leather guniting method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628261A (en) * | 2013-11-10 | 2014-03-12 | 安徽英特罗斯服饰有限公司 | Pulp spraying device |
| CN205152250U (en) * | 2015-11-19 | 2016-04-13 | 天津市富盛皮革制品有限公司 | Leather pulp shooting machine |
| CN206199570U (en) * | 2016-09-23 | 2017-05-31 | 徐州南海皮厂有限公司 | A kind of Leather Factory low pressure pulp shooting machine |
-
2018
- 2018-10-26 CN CN201811260869.4A patent/CN109207656B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628261A (en) * | 2013-11-10 | 2014-03-12 | 安徽英特罗斯服饰有限公司 | Pulp spraying device |
| CN205152250U (en) * | 2015-11-19 | 2016-04-13 | 天津市富盛皮革制品有限公司 | Leather pulp shooting machine |
| CN206199570U (en) * | 2016-09-23 | 2017-05-31 | 徐州南海皮厂有限公司 | A kind of Leather Factory low pressure pulp shooting machine |
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| CN109207656A (en) | 2019-01-15 |
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Effective date of registration: 20210622 Address after: 529090 No.6 ChaoLian Avenue, Pengjiang district, Jiangmen City, Guangdong Province Applicant after: JIANGMEN POLYTECHNIC Address before: 529000 103, block 1, No. 22, Qiaoxing South Road, Huicheng, Xinhui District, Jiangmen City, Guangdong Province Applicant before: JIANGMEN XIAGUANG INTELLIGENT EQUIPMENT Co.,Ltd. |
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