CN101852588B - Position measurement method for multiple products on transmission belt - Google Patents
Position measurement method for multiple products on transmission belt Download PDFInfo
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- CN101852588B CN101852588B CN2009101337045A CN200910133704A CN101852588B CN 101852588 B CN101852588 B CN 101852588B CN 2009101337045 A CN2009101337045 A CN 2009101337045A CN 200910133704 A CN200910133704 A CN 200910133704A CN 101852588 B CN101852588 B CN 101852588B
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Abstract
The invention relates to a position measurement method for multiple products on a transmission belt, which comprises the following steps of: measuring the pulse count P corresponding to a single rotation of the transmission belt by using the coder and the product inductor, wherein the coder works in a cycle count mode, and has a count range of 0-P/2; calculating the average spacing L/P of multiple products on the transmission belt, wherein L is the perimeter of the transmission belt; and calculating the distance Lx between the position of any product and the entry end of the transmission belt based on the anteroposterior position relationship between a given product and the product, the pulse count P0 of the given product and the pulse count Px of the product. The invention has the advantages of being capable of easily realizing the control of transmission positions without arranging detecting devices at both ends of the transmission belt, and meeting the requirements for controlling random products in multiple positions on a length of transmission belt in the production line under special working conditions.
Description
Technical field
The present invention relates to a kind of method that a plurality of products on one section driving-belt are carried out position measurement, be applicable in one section transmission and possibly transmit a plurality of products, and can carry out position measurement and control each product.
Background technology
At present, joining a scrambler on employed one section driving-belt and carry out the position that position control can only be measured single product, even measure a plurality of products, also is the control of deciding the interval; If carry out the measurement and the control of a plurality of product random sites, need one cover pick-up unit be installed in the outlet of driving-belt.But because the exit position special (like glass tempering processed glass is sent to the production line in the annealing furnace, the exit position of driving-belt is airtight hot environment) of the moving band of some production lines, can not the installation and measuring device.So prior art can not satisfy the control of the production line of special operation condition to a plurality of positions product at random on one section driving-belt.
Summary of the invention
The object of the present invention is to provide a kind of method that a plurality of products on the driving-belt are carried out position measurement, to satisfy needs to a plurality of positions control of product at random on one section driving-belt.
Technical scheme of the present invention is: get at the product of driving-belt and on the live axle of an end scrambler is installed or is in transmission connection through gear train and scrambler; Above the product upstream end of driving-belt, inductor is installed; Whenever through pulse of a product inductor output, may further comprise the steps:
(1) utilize described scrambler and product sensor measurement to go out corresponding umber of pulse P of a moving week of driving-belt revolution; Described scrambler is the cycle count mode, counting region 0～P/2;
(2) calculate the average headway L/P of a plurality of products on the driving-belt, wherein L is the girth of driving-belt;
(3) according to the relation of the front and back position between known product and any product, and the umber of pulse P of known product
0Calculate the distance L x of any product position to driving-belt upstream end with the umber of pulse Px of any product, comprising:
(a) be positioned at known product back, i.e. Px＞P when any product
0The time,
Lx＝(Px-P
0)*L/P；
(b) be positioned at known product front, i.e. Px＜P when any product
0The time,
Lx＝(PL/2+Px-P
0)*L/P。
Advantage of the present invention is: only need a pick-up unit be installed at the inlet end of driving-belt; Can calculate the distance apart from inlet end of each product on the driving-belt; And then the place, position of learning each product; Detection according to each product space just can realize the control to each product, as a certain product is transferred to corresponding outlet in a certain position, so that carry out different rear portion processing.And needn't all want the installation and measuring device at the two ends of driving-belt; The exit position that is specially adapted to the moving band of some production lines is special and occasion that can not the installation and measuring device has satisfied the needs of the production line of special operation condition to a plurality of positions control of product at random on one section driving-belt.
Description of drawings
Fig. 1 is the general structure synoptic diagram of pick-up unit of the present invention side;
Fig. 2 is the synoptic diagram of implementation process of the present invention;
Fig. 3 is the synoptic diagram that the present invention is applied to the implementation process of a plurality of outlets.
Embodiment
Referring to Fig. 1～Fig. 3; The present invention gets at the product of driving-belt 3 on the live axle 2 of an end (left end) through a synchronous belt 4 and a scrambler 5 be in transmission connection (or scrambler 5 directly is installed on live axle 2); Above the product upstream end of driving-belt 3, infrared inductor 1 is installed, whenever just exports a pulse through a product E inductor 1.All (electric pulse of inductor 1 writes down the product number that passes through on the driving-belt 3 to scrambler 5 with the electric impulse signal that writes down with inductor 1; The rotation week number of scrambler 5 record driving-belts 3) input controller (computing machine, not shown).
Concrete control mode of the present invention is: the girth of supposing driving-belt 3 is L, and it is P that belt rotates all corresponding umber of pulses; Be decided to be cycle count to the counter controls mode of scrambler 5, counting region 0～P/2, the just umber of pulse of driving-belt 3 rotation half cycles.Control following action (referring to Fig. 2 and Fig. 3) through director demon: after starting driving-belt, the pulse value of scrambler 5 circulates between 0～P/2, and when product E 1 entering driving-belt, inductor 1 is sensed product, and record pulse value at this moment is P
0, when product E 2 entering driving-belts, inductor 1 is sensed this product E 2, and record pulse value at this moment is PE2, writes down the pulse value PE3 of E3 equally; When the corresponding pulse value of arbitrary product that transmits on the driving-belt was Px, the distance L x (referring to Fig. 2) of these arbitrary product position to driving-belt 3 upstream ends was:
(a) be positioned at known product back, i.e. Px＞P when any product
0The time,
Lx＝(Px-P
0)*L/P；
(b) be positioned at known product front, i.e. Px＜P when any product
0The time,
Lx＝(PL/2+Px-P
0)*L/P。
Through above-mentioned formula we can each product of real-time judge the position.
Referring to Fig. 3, we can use this method, and control is implemented to be positioned at the transmission that the product E 1 that transmits driving-belt 3 back is transformed into driving-belt 7, and the transmission that product E 2 is transformed into driving-belt 6 is implemented in control.As long as the position of calculating E1 according to above-mentioned formula equals L2 and just judges that E1 has arrived 7 porch; When the position of calculating E2 equals L1, just judge E2 and arrive 6 porch.Can realize transmitting the control of various objectives easily through such method.And traditional mode generally will be judged at 6,7 porch increase inductor.Be airtight hot environment particularly in the moving exit position of some production lines with 6 or 7, can not the installation and measuring device, and can only be in the porch pick-up unit.Use the method just can realize the control of delivering position easily.
Claims (2)
1. method of a plurality of products on the driving-belt being carried out position measurement; It is characterized in that: get at the product of driving-belt and on the live axle of an end scrambler is installed or is in transmission connection through gear train and scrambler; Above the product upstream end of driving-belt, inductor is installed; Whenever through pulse of a product inductor output, may further comprise the steps:
(1) utilize described scrambler and product sensor measurement to go out corresponding umber of pulse P of a moving week of driving-belt revolution; Described scrambler is the cycle count mode, counting region 0～P/2;
(2) calculate the average headway L/P of a plurality of products on the driving-belt, wherein L is the girth of driving-belt;
(3) according to the relation of the front and back position between known product and any product, and the umber of pulse P of known product
0Calculate the distance L x of any product position to driving-belt upstream end with the umber of pulse Px of any product, comprising:
(a) be positioned at known product back, i.e. Px＞P when any product
0The time,
Lx＝(Px-P
0)*L/P：
(b) be positioned at known product front, i.e. Px＜P when any product
0The time,
Lx＝(PL/2+Px-P
0)*L/P。
2. the method that a plurality of products on the driving-belt are carried out position measurement according to claim 1 is characterized in that: described inductor is an infrared sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101337045A CN101852588B (en) | 2009-04-01 | 2009-04-01 | Position measurement method for multiple products on transmission belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101337045A CN101852588B (en) | 2009-04-01 | 2009-04-01 | Position measurement method for multiple products on transmission belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101852588A CN101852588A (en) | 2010-10-06 |
| CN101852588B true CN101852588B (en) | 2012-06-27 |
Family
ID=42804187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101337045A Active CN101852588B (en) | 2009-04-01 | 2009-04-01 | Position measurement method for multiple products on transmission belt |
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|---|---|
| CN (1) | CN101852588B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20110562A1 (en) | 2011-04-06 | 2012-10-07 | Comelz Spa | PROCEDURE AND POSITION DETECTION DEVICE OF A TRANSPORTATION ORGAN. |
| CN103449139B (en) * | 2013-09-11 | 2016-04-27 | 广东联塑科技实业有限公司 | A kind of plastics lined pipe material chain registration device |
| CN109051634B (en) * | 2018-10-13 | 2020-07-07 | 番禺精美五金塑料制品有限公司 | Conveying belt coding control system |
| CN113421843B (en) * | 2021-05-06 | 2023-01-03 | 上海大族富创得科技有限公司 | Silicon chip storage device and position control and automatic measurement distance control method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1432438A (en) * | 2002-01-15 | 2003-07-30 | 贵阳鸿法科技开发实业公司 | Control method of conveyer belt sorting machine |
-
2009
- 2009-04-01 CN CN2009101337045A patent/CN101852588B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1432438A (en) * | 2002-01-15 | 2003-07-30 | 贵阳鸿法科技开发实业公司 | Control method of conveyer belt sorting machine |
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| CN101852588A (en) | 2010-10-06 |
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