CN101844677B - Spacing adjustment device on letter conveying equipment - Google Patents
Spacing adjustment device on letter conveying equipment Download PDFInfo
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- CN101844677B CN101844677B CN2010101593699A CN201010159369A CN101844677B CN 101844677 B CN101844677 B CN 101844677B CN 2010101593699 A CN2010101593699 A CN 2010101593699A CN 201010159369 A CN201010159369 A CN 201010159369A CN 101844677 B CN101844677 B CN 101844677B
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- letter
- accelerating pulley
- detection head
- belt conveyor
- roller
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Abstract
The invention discloses a spacing adjustment device on letter conveying equipment. The equipment comprises a pair of conveyor belts which are mutually adhered and vertically and transversely arranged; clamping rollers are arranged on two sides of the conveyor belts; a pair of tangential accelerating wheels of which the axis connecting line is vertical to the belt conveying direction are arranged on two sides of the conveyor belts between two adjacent rollers; a disengaging mechanism is arranged at the point of tangency of the accelerating wheels and is used for disengaging one of the two conveyor belts outwards to form a section of disengaged distance; the point of tangency of the accelerating wheels is positioned between the two conveyor belts; two detection head components are arranged between the axis connecting line of the accelerating wheels and a second roller and opposite to the belt conveying direction; the first detection head component is close to the axis connecting line; the second detection head component is close to the second roller; the accelerating wheels are driven by a motor; and the detection head components are connected with the motor through a control circuit. By adjusting the letter spacing through the device, the small spacing letter occurrence and the automatic letter sorting blockage rate are greatly reduced during conveying letters, and the operation efficiency for processing the letters by the equipment is improved.
Description
Technical field
The present invention relates to the automatically sorting letters system in the Postal Logistics system, relate in particular to letter belt load transfer device.
Background technology
In the automatically sorting letters system of Postal Logistics, letter belt load transfer device is an important component part, its radical function is that single envelope mail that the upstream is crossed for the letter resume module is carried one by one with setting speed, setting spacing, so that other each functional module is handled separately every envelope mail in course of conveying.
The belt transmission equipment that generally uses comprises a pair of mutual applying at present, the sheet belt conveyor of vertical landscape configuration, the both sides of belt conveyor dispose some hold-down roll, belt one end is provided with motor-driven driving wheel, during work, the rotation of motor-driven driving wheel, the belt conveyor motion, letter is by the single envelope of confession letter module of upstream, vertical sending between two belts, belt conveyor clamping letter moves along throughput direction, in the motion process, reject module, read module, the delay line module, swing to module, flip module, the mail that difference in functionality modules such as whole position module are carried at single envelope is operated one by one.
Work efficiently in the course of conveying high speed of letter for ease of each functional module, need letter to transmit at a high speed with setting spacing speed with 4m/s on belt conveyor of 100～130mm, though letter is from exporting equally spacedly with this setting value for the letter module, but through behind a plurality of module operations, the spacing of part letter just might change, the spacing of adjacent letter is too small or excessive before and after causing, owing to there is not letter operation spacing regulator in the existing mail system automatically sorting letters system, when the letter spacing changes the scope that surpasses the equipment permission, if system's control computer detects this two letters, will send instruction and reject this two envelopes letter, at present, because this kind is former thereby the letter of rejecting accounts for 1～3% of total system processing letter total amount, cause the efficient of system handles letter to reduce on the letter belt load transfer device; On the other hand,, can cause the jam of upstream device, also can reduce the efficient of device processes letter if two less letters of spacing are not detected.
Summary of the invention
It is a kind of in the automatically sorting letters process that technical matters to be solved by this invention is to provide, and letter is adjusted to the device of setting spacing under the situation of high-speed cruising on the letter load transfer device, with the conveying spacing of letter.
The present invention is achieved by the following technical solutions:
Spacing regulator on a kind of letter load transfer device, described equipment comprise the belt conveyor of a pair of mutual applying, vertical landscape configuration, and the both sides of belt conveyor dispose some hold-down roll, it is characterized in that:
Belt conveyor both sides between the adjacent rollers dispose a pair of axial connecting line tangent accelerating pulley vertical with the belt throughput direction, and accelerating pulley outer rim and belt conveyor zone face stagger,
Establish a releasing mechanism at accelerating pulley point of contact place, one in two belt conveyors thrown off laterally, form one section throw-off distances, the point of contact of accelerating pulley between two belt conveyors,
Between the axial connecting line of accelerating pulley and second roller, over against two detection head assemblies of belt throughput direction configuration, the first detection head assembly is near axial connecting line, the second detection head assembly is near second roller, and detection head assembly and accelerating pulley outer rim, the second roller outer rim, belt conveyor zone face stagger
The distance of first roller and accelerating pulley axial connecting line, second is rolled with the distance of accelerating pulley axial connecting line all long greater than a letter, the distance of the first detection head assembly and accelerating pulley axial connecting line is long less than a letter, distance between two detection head assemblies is for setting the letter spacing
Accelerating pulley is by motor-driven, and the detection head assembly links to each other with motor by control path.
During work, letter is carried by belt conveyor, and with the speed high-speed cruising of 4m/s, the initial speed of accelerating pulley outer rim is identical with the belt delivery speed, is 4m/s also, and belt conveyor is after breaking away from mutually between two rollers, and letter is carried by the accelerating pulley clamping.
Owing to the distance between two detection head assemblies equals to set the letter spacing, if the letter spacing is normal, so when the letter tail of first envelope letter leaves the second detection head assembly, the letter head of inferior envelope letter should arrive the first detection head assembly, and promptly the unlatching of closing with the first detection head assembly of the second detection head assembly should be simultaneously; If change has taken place in the letter spacing, seal letter with respect to head, follow-up letter is because the time-delay of each module operation, only may be that time-delay arrives, promptly time envelope letter only may be to become big with respect to the spacing that head seals letter, therefore after the second detection head assembly is closed some milliseconds, the first detection head assembly is just opened, at this moment, control circuit calculates the actual pitch between first envelope letter and time envelope letter, controlling accelerating pulley then quickens inferior envelope letter, catch up with first envelope letter until inferior envelope letter, the letter spacing is reduced into the setting spacing, and the adjustment of letter spacing finishes, and accelerating pulley returns to initial speed, promptly identical with the belt delivery speed, continue to carry time envelope letter in it enters belt conveyor.
After the spacing of the first relatively envelope letter of inferior envelope letter is adjusted into normally; the relative time spacing of envelope letter of the 3rd letter so; may be normal or excessive two kinds of situations only also, control path according to two stroke detection head groups close with start between whether exist to delay time and judge whether the 3rd letter is quickened.By that analogy, accelerating pulley has only carrying or two kinds of actions of acceleration conveying by mail is normal in course of conveying.
The main effect of releasing mechanism is that one of them is pulled away from another root one segment distance with two belt conveyors of being close to, so that in this segment distance, also where necessary it is quickened by the conveying of accelerating pulley control letter, because belt zone face and accelerating pulley in height are the staggered floor configurations, therefore the letter of the interior clamping of belt is after belt breaks away from mutually, because action of inertia continues to advance to throughput direction, and finally enter between the two tangent accelerating pulleys.
Releasing mechanism can be multiple version, wherein a kind of preferred version comprises two disengaging rotating shafts that are configured in accelerating pulley axial connecting line both sides, two break away from the belt conveyor inboard that rotating shaft all is positioned at disengagement, and between two accelerating pulleys, the characteristics of this structure are that the structure of whole device is compact.
Another kind of preferred releasing mechanism comprises that three are the disengaging roller that " product " font is arranged, two of the below break away from the belt conveyor outside that roller is positioned at disengagement, the disengaging roller of top is positioned at the belt conveyor inboard of disengagement, from left to right, the belt conveyor that breaks away from replaces three lower edge, upper limb, lower edges that break away from roller of pile warp, and the characteristics of this kind structure are under identical throw-off distances, and releasing mechanism is more away from the advance route of letter, can not interfere letter, be beneficial to the inertia motion of letter.
So-called throw-off distances is meant that section belt on releasing mechanism and the minimum spacing of another belt.Consider the thickness and the length of letter, throw-off distances generally is preferably 10mm～20mm.
Further, accelerating pulley can adopt the structure of tangent single-wheel or tangent many wheels, and a kind of preferred version is, accelerating pulley comprise be configured in same wheel shaft up and down go up wheel and lower whorl, the belt conveyor zone face is between last wheel and lower whorl.During work, the clamping simultaneously of last lower whorl, acceleration, conveying letter, reliability and stability are all guaranteed.
Further again, two accelerating pulleys can adopt two separately-driven structures of synchronous dynamo, also can adopt single motor-driven structure, its concrete connection mode can adopt following form: power delivery wheel of two each arranged coaxial of accelerating pulley, two power delivery wheels mate mutually, in the accelerating pulley one links to each other with motor by synchronous pulley, and this accelerating pulley links to each other with another accelerating pulley by powered drive wheel.
Further again, first detection head should be as far as possible near the axial connecting line of accelerating pulley under the situation that its detection route of assurance is not interfered, so that when the letter spacing need be adjusted, accelerating pulley can move as early as possible, this distance is preferably 5～30mm usually.The detection head assembly can be that photoelectric switch or other have the sensing element of similar functions.
Beneficial effect of the present invention is:
1. simple in structure, good reliability can be carried out personalisation process at concrete letter spacing, the distance between adjacent two letters can be adjusted into setting value;
2. adjust the letter spacing through this device, when a whole set of letter load transfer device is handled letter, the incidence of little spacing letter is reduced to less than 0.01% from original 1～3%, greatly reduces the jam rate of automatically sorting letters, has improved the service efficiency of device processes letter.
Description of drawings
Fig. 1 is existing letter load transfer device birds-eye view
Fig. 2 is each the letter site plan when little spacing letter takes place of equipment shown in Fig. 1
Fig. 3 is the birds-eye view of a kind of preferred version of the present invention
Fig. 4 be along A-A among Fig. 3 to part sectional view
Fig. 5 is the birds-eye view of the another kind of preferred version of the present invention
Fig. 6 be along B-B among Fig. 5 to part sectional view
The action scheme drawing of Fig. 7,8 for installing among Fig. 3
In Fig. 1～8: 1 is first roller, and 2 is first belt conveyor, and 3-1 is the first disengaging roller, 3-2 second breaks away from roller, and 3-3 is the Three Cut Off's roller, and 4 is first accelerating pulley, 4-1 takes turns on first accelerating pulley, 4-2 is the first accelerating pulley lower whorl, and 4-3 is first powered drive wheel, and 4-4 is the first acceleration wheel shaft, 5-1 is the first disengaging rotating shaft, 5-2 is the second disengaging rotating shaft, and 6 is the first detection head assembly, and 7 is the second detection head assembly, 9 is second roller, 10 is second belt conveyor, and 11 is motor, and 12 is synchronous pulley, 13 is second accelerating pulley, 13-1 takes turns on second accelerating pulley, and 13-2 is the second accelerating pulley lower whorl, and 13-3 is second powered drive wheel, 13-4 is the second acceleration wheel shaft, 14 for installing base plate, and 15 is the 3rd roller, and 16 is the 4th roller, seal letter headed by 17,18 is time envelope letter, and 19 is throw-off distances, and 20 is the accelerating pulley axial connecting line.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the belt transmission equipment that generally uses comprises a pair of mutual applying at present, the sheet belt conveyor 2 of vertical landscape configuration, 10, belt conveyor 2,10 both sides dispose some hold- down roll 1,9,15,16, belt 2,10 by motor-driven, motion along the direction of arrow in the figure, letter is by the single envelope of confession letter module of upstream, vertical two belts 2 of sending into, 10, belt conveyor 2,10 clamping letters move along throughput direction, through behind a plurality of module operations, the spacing of part letter changes, and the spacing before and after causing between adjacent letter is too small or excessive, as shown in Figure 2.
Fig. 3～4th, a kind of preferred version of this spacing regulator, belt conveyor 2,10 both sides between the adjacent rollers 1,9 dispose a pair of axial connecting line 20 tangent accelerating pulley vertical with the belt throughput direction 4,13, first accelerating pulley 4 comprises being positioned at takes turns 4-1, the first accelerating pulley lower whorl 4-2 on first accelerating pulley of installing on the base plate 14 and is positioned at the first powered drive wheel 4-3 that installs under the base plate 14, and the three is coaxial to be packed on the first acceleration wheel shaft 4-4; Second accelerating pulley 13 comprise be positioned at install on the base plate 14, with the second tangent accelerating pulley of first accelerating pulley 4 on take turns 13-1, the second accelerating pulley lower whorl 13-2 and be positioned at the second powered drive wheel 13-3 that base plate 14 times is installed, is complementary with the first powered drive wheel 4-3, the three is coaxial to be packed in second and to quicken on the wheel shaft 13-4.Wherein, take turns 4-1,13-1 on the accelerating pulley, accelerating pulley lower whorl 4-2,13-2 outer rim are that elastomeric material is made; Second accelerating pulley 13 links to each other 11 by synchronous pulley 12 with motor, and drives first accelerating pulley 4 by powered drive wheel 13-3,4-3.From lateral plan, belt conveyor 2,10 zone faces are being taken turns on the accelerating pulley between 4-1,13-1 and lower whorl 4-2, the 13-2.
Accelerating pulley 4, place, 13 point of contacts, first belt conveyor, 2 outsides have disposed three and have been the disengaging roller 3-1 that " product " font is arranged, 3-2,3-3, first belt conveyor 2 alternately pile warp breaks away from roller 3-1,3-2, the lower edge of 3-3, upper limb, lower edge, throw off with second belt conveyor 10, form one section throw-off distances 19, from birds-eye view, accelerating pulley 4,13 point of contact is positioned at two belt conveyors 2, between 10, for the benefit of the letter that advances along the belt throughput direction enters two accelerating pulleys 4 smoothly, between 13, accelerating pulley 4, also should try one's best near second belt conveyor 10 in 13 point of contact, generally the distance of this point of contact and second belt conveyor 10 is 0～5mm.
Between the axial connecting line 20 of accelerating pulley 4,13 and second roller 9, over against two detection head assemblies 6,7 of belt throughput direction configuration, from lateral plan, the height of detection head assembly is lower than accelerating pulley lower whorl 4-2,13-2, can not interfere mutually during work, in addition, for guarantee that accelerating pulley 4,13 can move as early as possible when working, the first detection head assembly 6 should be tried one's best near axial connecting line 20, only need avoid quickening wheel shaft 4-4,13-4 and get final product; For assurance accelerating pulley 4,13 has a long as far as possible pick-up time when working, the second detection head assembly 7 should be measured near second roller 9, only need avoid roller 9 acceleration wheel shaft 4-4,13-4 and get final product, as shown in Figure 6.
Fig. 5～6 are another kind of preferred version of the present invention, releasing mechanism comprises that two are configured in accelerating pulley 4, disengaging rotating shaft 5-1, the 5-2 of 13 axial connecting line 20 both sides, first belt conveyor 2 breaks away from rotating shaft 5-1, the 5-2 outside from two and walks around, throw off with second belt conveyor 10, form one section throw-off distances 19.The square frame that dotted line sketches the contours among Fig. 6 is letter and is accelerated the position of wheel during 4,13 clampings.
In Fig. 3～6, first roller 1 is all long greater than a letter with the distance of accelerating pulley 4,13 axial connecting lines 20 with distance, second roller 9 of accelerating pulley 4,13 axial connecting lines 20, the first detection head assembly 6 is long less than a letter with the distance of accelerating pulley 4,13 axial connecting lines 20, distance between two detection head assemblies 6,7 is generally 100～130mm for setting the letter spacing.
During work, letter 17,18 is by belt conveyor 2,10 carry, with speed V high-speed cruising, the initial speed of accelerating pulley 4,13 outer rims is identical with belt 2,10 delivery speeies, also be speed V, belt conveyor 2,10 is after breaking away from mutually between two rollers 1,9, and letter 17,18 is carried by accelerating pulley 4,13 clampings.The letter tail of supposing first envelope letter 17 leaves the second detection head assembly, 7 back time-delay n milliseconds, the letter head of inferior envelope letter 18 just arrives the first detection head assembly 6, letter 17,18 spacings are excessive, as shown in Figure 7, need quicken inferior envelope letter 18, make it catch up with first envelope letter 17, a kind of preferred controlling schemes is, when the first detection head assembly 6 is opened, accelerating pulley 4,13 with 2 times to the belt delivery speed, promptly the speed of 2V is carried time envelope letter 18, time length is a delay time n millisecond, behind the n millisecond, this moment two letters 17,18 spacing is a normal separation, as shown in Figure 8, accelerating pulley 4,13 return to initial speed V again carries time envelope letter 18, enters once more between two belt conveyors 2,10 until it.
Claims (10)
1. the spacing regulator on the letter load transfer device, described equipment comprises the sheet belt conveyor (2,10) of a pair of mutual applying, vertical landscape configuration, the both sides of belt conveyor (2,10) dispose some hold-down roll (1,9,15,16), it is characterized in that:
Belt conveyor (2,10) both sides between the adjacent rollers (1,9) dispose a pair of axial connecting line (20) the tangent accelerating pulley (4,13) vertical with the belt throughput direction, and accelerating pulley (4,13) outer rim and belt conveyor (2,10) zone face stagger,
The place establishes a releasing mechanism at accelerating pulley (4,13) point of contact, and one in two belt conveyors (2,10) is thrown off laterally, forms one section throw-off distances (19), and the point of contact of accelerating pulley (4,13) is positioned between two belt conveyors (2,10),
Accelerating pulley (4,13) between axial connecting line (20) and second roller (9), over against two detection head assemblies (6 of belt throughput direction configuration, 7), the first detection head assembly (6) is near axial connecting line (20), and the second detection head assembly (7) is near second roller (9), detection head assembly (6,7) with accelerating pulley (4,13) outer rim, second roller (9) outer rim, belt conveyor (2,10) zone face stagger
First roller (1) and accelerating pulley (4,13) distance of axial connecting line (20), second roller (9) and accelerating pulley (4,13) distance of axial connecting line (20) is all long greater than a letter, the first detection head assembly (6) and accelerating pulley (4,13) distance of axial connecting line (20) is long less than a letter, distance between two detection head assemblies (6,7) is for setting the letter spacing
Accelerating pulley (4,13) is driven by motor (11), and detection head assembly (6,7) links to each other with motor (11) by control path.
2. the spacing regulator on the letter load transfer device according to claim 1, it is characterized in that: described releasing mechanism comprises that three are the disengaging roller (3-1 that " product " font is arranged, 3-2,3-3), two of the below break away from roller (3-1,3-3) be positioned at outside the belt conveyor of disengagement, the disengaging roller (3-2) of top is positioned at the belt conveyor inboard of disengagement.
3. the spacing regulator on the letter load transfer device according to claim 1, it is characterized in that: described releasing mechanism comprises that two are configured in accelerating pulley (4, disengaging rotating shaft (the 5-1 of axial connecting line 13) (20) both sides, 5-2), two break away from rotating shafts, and (5-1 5-2) all is positioned at the belt conveyor inboard of disengagement.
4. the spacing regulator on the letter load transfer device according to claim 1 is characterized in that: described throw-off distances (19) is 10mm～20mm.
5. the spacing regulator on the letter load transfer device according to claim 1 is characterized in that: the point of contact distance of described accelerating pulley (4,13) does not have the belt conveyor 0～5mm of disengagement.
6. the spacing regulator on the letter load transfer device according to claim 1 is characterized in that: take turns and lower whorl is formed by going up of same wheel shaft by being configured in up and down for described accelerating pulley (4,13), and belt conveyor (2,10) zone face is between last wheel and lower whorl.
7. the spacing regulator on the letter load transfer device according to claim 1, it is characterized in that: two accelerating pulleys (4,13) power delivery wheel of each arranged coaxial (4-3,13-3), two power delivery wheels (4-3,13-3) are coupling mutually, in the accelerating pulley one links to each other with motor (11) by synchronous pulley (12), and this accelerating pulley passes through powered drive wheel (4-3,13-3) and links to each other with another accelerating pulley.
8. the spacing regulator on the letter load transfer device according to claim 1 is characterized in that: the described first detection head assembly (6) is 5～30mm with the distance of accelerating pulley (4,13) axial connecting line (20).
9. the spacing regulator on the letter load transfer device according to claim 1 is characterized in that: described detection head assembly (6,7) is a photoelectric switch.
10. the spacing regulator on the letter load transfer device according to claim 1, it is characterized in that: establish the second detection head assembly (7) and close behind the n millisecond the first detection head assembly (6) and open, the belt delivery speed is V, when then the first detection head assembly (6) is opened, accelerating pulley (4,13) rotates with V speed after rotating the n millisecond with the speed of 2V again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101593699A CN101844677B (en) | 2010-04-27 | 2010-04-27 | Spacing adjustment device on letter conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101593699A CN101844677B (en) | 2010-04-27 | 2010-04-27 | Spacing adjustment device on letter conveying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101844677A CN101844677A (en) | 2010-09-29 |
| CN101844677B true CN101844677B (en) | 2011-12-14 |
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ID=42769524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101593699A Expired - Fee Related CN101844677B (en) | 2010-04-27 | 2010-04-27 | Spacing adjustment device on letter conveying equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN101844677B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107962503A (en) * | 2017-12-27 | 2018-04-27 | 重庆辰罡科技有限公司 | A kind of sandblasting production line for wolfram steel production |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3347348A (en) * | 1965-05-24 | 1967-10-17 | Fmc Corp | Article singulating system |
| CN2206158Y (en) * | 1994-06-23 | 1995-08-30 | 沈阳市邮政通信科学研究所 | Letters transmission machine |
| JPH09239325A (en) * | 1996-03-11 | 1997-09-16 | Hitachi Ltd | Method for rearranging and sorting postal item delivery order and apparatus therefor |
| CN2350139Y (en) * | 1997-12-26 | 1999-11-24 | 邮电部第三研究所 | Inverting device |
| US6585251B2 (en) * | 2001-11-13 | 2003-07-01 | Pitney Bowes Inc. | Articulating separator |
| CN2910385Y (en) * | 2006-05-25 | 2007-06-13 | 湖南湘邮科技股份有限公司 | Letters separating and driving gear |
| US20080099977A1 (en) * | 2006-10-31 | 2008-05-01 | Salomon James A | Singulation module/belt for separating sheet material |
| JP4922079B2 (en) * | 2007-06-20 | 2012-04-25 | 株式会社東芝 | Paper sheet processing equipment |
| DE102008034179A1 (en) * | 2008-07-22 | 2010-01-28 | Siemens Aktiengesellschaft | Transfer device for postal items |
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2010
- 2010-04-27 CN CN2010101593699A patent/CN101844677B/en not_active Expired - Fee Related
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| CN101844677A (en) | 2010-09-29 |
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