CN110436111A - A kind of combination power and amplitude-variable conveyer flexible - Google Patents
A kind of combination power and amplitude-variable conveyer flexible Download PDFInfo
- Publication number
- CN110436111A CN110436111A CN201910843466.0A CN201910843466A CN110436111A CN 110436111 A CN110436111 A CN 110436111A CN 201910843466 A CN201910843466 A CN 201910843466A CN 110436111 A CN110436111 A CN 110436111A
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- good fortune
- roller cylinder
- short roller
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000007723 transport mechanism Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
- B65G13/11—Roller frames
- B65G13/12—Roller frames adjustable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
The present invention relates to conveyer fields, disclose a kind of combination power and amplitude-variable conveyer flexible, including the transport mechanism as made of multiple rows of roller group parallel arrangement, left and right side frame for fixed support transport mechanism, and drive system, it is characterized in that, the left and right side frame is scissor link mechanism, each upper end hinged place of scissor link mechanism connects row's roller group;Every row's roller group includes being located in the middle a short roller cylinder and taking turns group positioned at two groups of good fortune of short roller cylinder two sides;Good fortune is coaxial with short roller shaft and be not attached to take turns group axis, and good fortune is fixed on a cross bar to take turns group axis and short roller shaft by connector, and the cross bar both ends are separately fixed on left and right side frame;The drive system is connected with short roller cylinder, drives goods movement by short roller cylinder.Portable construction moves, is freely rotatable angle, firm in structure, and each axis of roller group is unlikely to deform, and equipment dependability is high, realizes the electronic conveying for stretching conveyer.
Description
Technical field
The present invention relates to conveyer fields, and in particular to a kind of combination power and amplitude-variable conveyer flexible.
Background technique
At actual items scene in use, many conveying line positions are not fixed, need temporarily to be adjusted.And normal tape
Formula conveyer figure is heavy, is not suitable for the transmission that fast moves and can only carry out straight line or fixed angle, is not suitable for complicated more
The environmental requirement of change.
The existing structure for stretching conveyer is usually: the left and right side frame of scissor link mechanism, the upper end of scissor link mechanism
Hinged place is connected with long roller, and the distance between long roller is elongated with the stretching of scissor link mechanism, realizes transmission line with this
Be adjusted flexibly.But such stretching conveying mechanism has the disadvantage that 1. also as unpowered type, need to pass through Manual-pushing goods
Object transmission, expends a large amount of manpower and material resources, inefficiency.2. the existing transmission plane for stretching conveyer only loads common long roller, often
Because cargo fall when impact force it is excessive due to cause roll body to damage.
Summary of the invention
The purpose of the present invention is design it is a it is light it is removable, can arbitrarily rotate angle and non-damageable combination power with
Amplitude-variable conveyer flexible.
To achieve the goals above, the technical scheme is that a kind of combination power and amplitude-variable conveyer flexible,
Including the transport mechanism as made of multiple rows of roller group parallel arrangement, for the left and right side frame of fixed support transport mechanism, and drive
The drive system of dynamic transport mechanism operation, which is characterized in that the left and right side frame is scissor link mechanism, scissor link mechanism
Each upper end hinged place connects row's roller group;Every row's roller group includes being located in the middle a short roller cylinder and positioned at short roller
Two groups of good fortune of cylinder two sides take turns group;Good fortune is coaxial with short roller shaft and be not attached to take turns group axis, and good fortune is logical to take turns group axis and short roller shaft
It crosses connector to be fixed on a cross bar, the cross bar both ends are separately fixed on left and right side frame;The drive system and short roller
Cylinder is connected, and drives goods movement by short roller cylinder.
Further, the scissor-type link mechanism includes the development agency being made of multiple mutually hinged long scissors,
Development agency includes multiple X-type structures by hingedly being formed in the middle part of long scissor, and the upper and lower side of each X-type structure is mutually hinged.Therefore
Soft stretch conveyer can arbitrarily adjust tensile elongation.Simultaneously according to left and right sides draw ratio difference, it can be achieved that turning function, is fitted
Answer changeable site requirements.
Further, the drive system includes driving wheel, o type band, motor;Before and after every two below adjacent short roller cylinder
Match a driving wheel, driving wheel is furnished with two o type bands, an o type band connect with previous short roller cylinder, an o type band with it is latter
The connection of short roller cylinder;The cross bar has " recessed " shape structure in middle section, and the driving wheel is fixed at " recessed " by power axle;Institute
It states motor to connect with several driving wheels in multiple driving wheels, and then drives all short roller cylinder rotations.
Preferably, the short roller cylinder is equipped with twice for the indent with o type band connection.
Preferably, every seven driving wheels, just thering is a driving wheel to be connected to motor, institute along cargo conveying direction
It states on the cross bar where motor is fixed on corresponding driving wheel.It ensure that guaranteeing that all there is every row's roller enough power to turn
It is dynamic.
Further, short roller cylinder successively alternately installation to the right to the left inside front two rows roller group, it may be assumed that in front-seat roller group
In, short roller cylinder is in center-right position, and one group of short good fortune is arranged to take turns group in the right side of the short roller cylinder, and left side arrangement is one group long
Good fortune takes turns group, and in latter row's roller group, short roller cylinder is in left-of-center position, and the right side arrangement of the short roller cylinder is one group long
Good fortune takes turns group, and left side arranges one group of short good fortune to take turns group.Roller or so interlaced arrangement is equivalent to the power increased on transmission line and passes
Defeated region prevents cargo from causing to stagnate because being biased to certain side good fortune to take turns group so that cargo is in power transmission area always.
Preferably, the long good fortune is taken turns to take turns to organize including three good fortune, short good fortune is taken turns to take turns to organize including two good fortune.
Preferably, the indent of the short roller cylinder is located at the middle position of every row's roller group.Convenient for o type band connection motor with
Roller.
Further, with amplitude-variable conveyer flexible bottom is equipped with extension type sliding branch to a kind of combination power
Frame, the bracket are screwed telescopic location, to adjust support height;The frame bottom is furnished with pulley.This guarantee is defeated
Send machine that can arbitrarily adjust height, shift position.
Compared with the prior art, present invention application roller group replaces long roller, is replaced with three short axles in the prior art
Long axis increases the shock resistance deformability of conveyer with this, while three short axles of each row's roller group all pass through connector
It is fixed on a cross bar, this further enhances the structural strength of conveyer, improves the impact resistance of conveyer.And
And cargo, when turning transmission, inner and outer turning radius is different, i.e., required linear velocity is different.Common stretching-machine is because only carrying
Long roller, interior out conductor speed is identical when cargo being caused to be turned, and cargo sliding is easily caused even to skid off unit.And it is of the present invention
A kind of soft stretch conveyer since left and right sides region is driven region, the linear velocity in outside can be different in cargo, therefore
And it can effectively avoid cargo because of the phenomenon that inertia skids off stretching-machine appearance.
In conclusion the beneficial effects of the present invention are: 1. portable constructions, move, are freely rotatable angle.2. structure is hard
Gu each axis of roller group is unlikely to deform, equipment dependability is high.3. driven road and short roller cylinder are linked together using o type band, realize
Stretch the electronic conveying of conveyer.
Detailed description of the invention
Fig. 1 is the stereoscopic mechanism figure of a kind of combination power and amplitude-variable conveyer flexible.
Fig. 2 is the partial enlarged view of region A.
Fig. 3 is the dependency structure schematic diagram of row's roller group.
Fig. 4 is the reverse side three-dimensional structure diagram of a kind of combination power and amplitude-variable conveyer flexible.
Fig. 5 is the partial enlarged view of region B.
Fig. 6 is the positional diagram of short roller cylinder, driven wheel, left and right side frame.
Fig. 7 is a kind of partial structure diagram of four row's roller groups before combination power and amplitude-variable conveyer flexible.
Fig. 8 is the attachment structure schematic diagram of a pack support and left and right side frame.
Specific embodiment
Referring to Fig. 1, a kind of combination power and amplitude-variable conveyer flexible, including by multiple rows of roller group 1 parallel arrangement and
At transport mechanism, for the left and right side frame 2 of fixed support transport mechanism, and the drive system of driving transport mechanism operation,
And it is set in multiple telescopic brackets 4 of conveying motor spindle.
Referring to fig. 2 with Fig. 3, the left and right side frame 2 is scissor link mechanism, and the scissor-type link mechanism includes by multiple
The development agency of mutually hinged long scissor composition, development agency include it is multiple by long scissor in the hinged shape in middle part hinged place 202
At X-type structure, the upper and lower side of each X-type structure is mutually hinged.
Row's roller group 1 is connected in each upper end hinged place 201 of scissor link mechanism;Every row's roller group 1 includes position
102 are organized to take turns with short good fortune in an intermediate short roller cylinder 101 and positioned at the long good fortune of short roller cylinder two sides to take turns group 103;The length
To take turns group 103, to include three good fortune take turns good fortune, and to take turns group 102, to include two good fortune take turns short good fortune.
Long good fortune is coaxial with short roller shaft 1011 and be not attached to take turns group axis 1021 to take turns group axis 1031, short good fortune, and long good fortune is taken turns
Group axis 1031, short good fortune are fixed on a cross bar 104 to take turns group axis 1021 and short roller shaft 1011 by connector 105, described
104 both ends of cross bar are separately fixed on left and right side frame 2.
- Fig. 6 referring to fig. 4, shown drive system include motor 303, driving wheel 301, o shape band 302, and every two front and back is adjacent
Short roller cylinder 101 below match a driving wheel 301, driving wheel be furnished with two o type bands 302, an o type band 302 with it is previous short
The connection of roller 101, an o type band 302 are connect with latter short roller cylinder 101;The cross bar 104 has " recessed " shape structure in middle section,
The driving wheel 301 is fixed at " recessed " by power axle 3011;The short roller cylinder 101 is equipped with twice and is used for and o type band
The indent 1012 of 302 connections.The center of rotation of each short roller cylinder 101 is overlapped with corresponding upper hinged place 201, each driving wheel 301
Center of rotation is overlapped with corresponding middle part hinged place 202, and when conveyer stretches, the distance on front and back two between hinged place 201 is returned
It widens, but the distance of hinged place 201 is constant on corresponding middle part hinged place 201 to two, so, when conveyer stretches,
The o shape band for connecting previous row's short roller wheel 101 and driving wheel 301 will not deform, and o shape band is indeformable, then ensure that drive system exists
Conveyer can work normally when stretching.
Just there is a driving wheel 301 to connect with motor 303, institute every seven driving wheels 301 along cargo conveying direction
It states on the cross bar 104 where motor 303 is fixed on corresponding driving wheel.It ensure that guarantee every row's roller all have enough power into
Row rotation.
Referring to Fig. 7, the successively alternately installation to the right to the left of 1 inside short roller cylinder of front two rows roller group 101, it may be assumed that in front-seat roller
In cylinder group 1, short roller cylinder 101 is in left-of-center position, and the left side of the short roller cylinder 101 arranges that one group of short good fortune organizes 102 to take turns,
One group of long good fortune is arranged to take turns group 103 in right side, and in 1 group of latter row's roller, short roller cylinder 101 is in center-right position, described
One group of long good fortune is arranged to take turns group 103 in the left side side of short roller cylinder 101, and one group of short good fortune is arranged to take turns group 102 in right side.Short roller cylinder 101 is left
Right interlaced arrangement is equivalent to the power transmission area increased on transmission line, so that cargo is in power transmission area always, prevents
Only cargo causes to stagnate because being biased to certain side good fortune to take turns group.
The indent 1012 of the short roller cylinder 101 is located at the middle position of every row's roller group 1.It connects and is driven convenient for o type band 302
Wheel 301 and short roller cylinder 101.
Referring to Fig. 8, a kind of combination power and amplitude-variable conveyer flexible bottom be equipped with extension type sliding support 4,
The upper end of the bracket 4 is fixed on the upper end hinged place 201 of frame, and the connection sheet 404 of sliding slot, side are fixed on the bracket 4
The lower end hinged place 203 of frame is equipped with connecting screw, and connecting screw is limited in the sliding slot of connection sheet 404, and the bracket 4 passes through
Screw 403 fixes telescopic location, to adjust support height;The frame bottom is furnished with pulley 402.This guarantees that conveyer can be random
Adjust height, shift position.Between the two of same row extension type sliding support 4, be connected to crossbeam 401 for reinforce knot
Structure.
When work, as the scissor link mechanism of left and right side frame 2 stretches, contraction, the realization that the conveyer can be light
It stretches, shrink;Simultaneously according to left and right sides draw ratio difference, it can be achieved that the turning function of conveyer, adapts to changeable place and want
It asks.
When a kind of application combination power of the present invention and amplitude-variable conveyer flexible transport cargo, the whereabouts of cargo
Impact force group axis 1021, long good fortune are taken turns by short good fortune come take turns group axis 1031, short roller shaft 1011 is born, since short axle is compared to length
Axis is more unlikely to deform, so a kind of soft stretch conveyer of the invention has more preferable shock resistance deformability, and each
Three short axles of row's roller group all pass through connector 105 and are fixed on a cross bar 104, this further enhances conveyer
Structural strength improves the impact resistance of conveyer.
Claims (8)
1. a kind of combination power and amplitude-variable conveyer flexible, including the conveyer as made of multiple rows of roller group parallel arrangement
Structure, for the left and right side frame of fixed support transport mechanism, and the drive system of driving transport mechanism operation, which is characterized in that
The left and right side frame is scissor link mechanism, and each upper end hinged place of scissor link mechanism connects row's roller group;Every row
Roller group includes being located in the middle a short roller cylinder and taking turns group positioned at two groups of good fortune of short roller cylinder two sides;Good fortune come take turns group axis with it is short
Roller shaft is coaxial and is not attached to, and good fortune is fixed on a cross bar to take turns group axis and short roller shaft by connector, the cross bar two
End is separately fixed on left and right side frame;The drive system is connected with short roller cylinder, drives goods movement by short roller cylinder.
2. a kind of combination power according to claim 1 and amplitude-variable conveyer flexible, which is characterized in that the scissor
Formula link mechanism includes the development agency being made of multiple mutually hinged long scissors, and development agency includes multiple by long scissor
The upper and lower side of the X-type structure that portion is hingedly formed, each X-type structure is mutually hinged.
3. a kind of combination power according to claim 1 and amplitude-variable conveyer flexible, which is characterized in that the driving
System includes driving wheel, o type band, motor;A driving wheel is matched below adjacent short roller cylinder before and after every two, driving wheel is furnished with
Two o type bands, an o type band is connect with previous short roller cylinder, an o type band is connect with latter short roller cylinder;Cross bar middle section band
There is " recessed " shape structure, the driving wheel is fixed at " recessed " by power axle;The driving wheel center of circle and the middle part of left and right side frame are cut with scissors
It meets place to be overlapped, in power axle, the motor connect with several driving wheels in multiple driving wheels upwards, and then driving is owned
The rotation of short roller cylinder.
4. a kind of combination power according to claim 3 and amplitude-variable conveyer flexible, which is characterized in that along goods
Object conveying direction just has a driving wheel to be connected to motor every seven driving wheels, and the motor is fixed on corresponding driving wheel institute
Cross bar on.
5. a kind of combination power according to claim 1 and amplitude-variable conveyer flexible, which is characterized in that front two rows roller
Cylinder organizes the successively alternately installation to the right to the left of internal short roller cylinder, it may be assumed that in front-seat roller group, short roller cylinder is in center-right position
It sets, one group of short good fortune is arranged to take turns group in the right side of the short roller cylinder, and one group of long good fortune is arranged to take turns group, in latter row's roller group in left side
In, short roller cylinder is in left-of-center position, and one group of long good fortune is arranged to take turns group in the right side of the short roller cylinder, and left side arrangement is one group short
Good fortune takes turns group.
6. a kind of combination power according to claim 5 and amplitude-variable conveyer flexible, which is characterized in that the long good fortune
It is taken turns to take turns to organize including three good fortune, short good fortune is taken turns to take turns to organize including two good fortune.
7. a kind of combination power according to claim 5 and amplitude-variable conveyer flexible, which is characterized in that the short roller
Cylinder is equipped with twice indent, and the indent is located at the middle position of every row's roller group.
8. a kind of combination power according to claim 1 and amplitude-variable conveyer flexible, which is characterized in that in its bottom
Equipped with extension type sliding support.
Priority Applications (1)
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CN201910843466.0A CN110436111B (en) | 2019-09-06 | 2019-09-06 | Variable amplitude conveyor combining power and flexibility |
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CN201910843466.0A CN110436111B (en) | 2019-09-06 | 2019-09-06 | Variable amplitude conveyor combining power and flexibility |
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CN110436111B CN110436111B (en) | 2024-07-19 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113443332A (en) * | 2021-06-16 | 2021-09-28 | 浙江今飞机械有限公司 | Movable roller way conveying mechanism and conveying device |
CN114668462A (en) * | 2022-03-29 | 2022-06-28 | 哈尔滨理工大学 | Flexible needle puncturing device supported by scissor fork mechanism and capable of adjusting needle inserting angle |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4640404A (en) * | 1985-07-17 | 1987-02-03 | Bigott Jeffry J | Telescopic roller |
US5456348A (en) * | 1993-02-05 | 1995-10-10 | Axia Incorporated | Powered flexible conveyor |
US5632371A (en) * | 1993-02-24 | 1997-05-27 | Northstar Industries, Inc. | Expandable redundantly powered conveyors |
CN201587714U (en) * | 2010-01-18 | 2010-09-22 | 宁波鼎能物流机械制造有限公司 | Electric following wheel transmission device |
CN203268846U (en) * | 2013-04-03 | 2013-11-06 | 西安索里德电气有限公司 | Telescopic steering conveyor |
CN204642891U (en) * | 2015-04-23 | 2015-09-16 | 达洲橡胶工业有限公司 | Conveyer belt structure |
CN204675220U (en) * | 2015-03-18 | 2015-09-30 | 上海城邦自动化设备有限公司 | A kind of flange polygon cross-piece concertina type Conveyor |
CN208631514U (en) * | 2018-06-08 | 2019-03-22 | 泰州市豹翔机械有限公司 | A kind of flexible roller conveyor of V-ribbed belt |
CN211033979U (en) * | 2019-09-06 | 2020-07-17 | 浙江朗奥物流科技有限公司 | Variable-amplitude conveyor combining power and flexibility |
-
2019
- 2019-09-06 CN CN201910843466.0A patent/CN110436111B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4640404A (en) * | 1985-07-17 | 1987-02-03 | Bigott Jeffry J | Telescopic roller |
US5456348A (en) * | 1993-02-05 | 1995-10-10 | Axia Incorporated | Powered flexible conveyor |
US5632371A (en) * | 1993-02-24 | 1997-05-27 | Northstar Industries, Inc. | Expandable redundantly powered conveyors |
CN201587714U (en) * | 2010-01-18 | 2010-09-22 | 宁波鼎能物流机械制造有限公司 | Electric following wheel transmission device |
CN203268846U (en) * | 2013-04-03 | 2013-11-06 | 西安索里德电气有限公司 | Telescopic steering conveyor |
CN204675220U (en) * | 2015-03-18 | 2015-09-30 | 上海城邦自动化设备有限公司 | A kind of flange polygon cross-piece concertina type Conveyor |
CN204642891U (en) * | 2015-04-23 | 2015-09-16 | 达洲橡胶工业有限公司 | Conveyer belt structure |
CN208631514U (en) * | 2018-06-08 | 2019-03-22 | 泰州市豹翔机械有限公司 | A kind of flexible roller conveyor of V-ribbed belt |
CN211033979U (en) * | 2019-09-06 | 2020-07-17 | 浙江朗奥物流科技有限公司 | Variable-amplitude conveyor combining power and flexibility |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113443332A (en) * | 2021-06-16 | 2021-09-28 | 浙江今飞机械有限公司 | Movable roller way conveying mechanism and conveying device |
CN114668462A (en) * | 2022-03-29 | 2022-06-28 | 哈尔滨理工大学 | Flexible needle puncturing device supported by scissor fork mechanism and capable of adjusting needle inserting angle |
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