CN203021122U - Driving clamp head of winding machine for thin film stretching production line - Google Patents
Driving clamp head of winding machine for thin film stretching production line Download PDFInfo
- Publication number
- CN203021122U CN203021122U CN 201220736579 CN201220736579U CN203021122U CN 203021122 U CN203021122 U CN 203021122U CN 201220736579 CN201220736579 CN 201220736579 CN 201220736579 U CN201220736579 U CN 201220736579U CN 203021122 U CN203021122 U CN 203021122U
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- cam
- bearing seat
- slide block
- center
- bearing
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Abstract
The utility model provides a driving clamp head of a winding machine for a thin film stretching production line, wherein one end of a cam shaft is fixedly provided with a cam, and the other end of the cam shaft is pressed into a bearing inner hole in a bearing pedestal. A long shaft is inserted into a center hole in the cam shaft, and the long shaft is in key joint with the center hole of the cam shaft. The cam is provided with N centrosymmetric cam arcs, wherein N is equal to 3 optimally. The maximum radius of the cam is R, the base radius is r, and the formula is as follows: R-r=s. The periphery of an inner hole in the inner end face of the bearing pedestal is provided with N symmetrically-separated lugs, and the nearest distance from the inner edges of the lugs to the axes is equal to or greater than R. The difference between the inner diameter of a winding core and the outer diameters of rings which are in split joint with N same slide blocks in the initial state is less than 2s, the middle insert blocks of the slide blocks are inserted into lugs at intervals, an idler wheel in the middle of each inserting block under the initial status is tangent with the base circle of the cam, and the slide blocks are hooped onto the lugs of the bearing pedestal by elastic sleeves. When the driving clamp head is used, the rings of the slide blocks are inserted into the inner hole of the winding core, the cam rotates, so that the cam arcs lean against the idler wheels, the slide blocks are forced to outwards move along the radial direction, the winding core is tensioned, and the cam transmits the rotation speed and the torque to the slide blocks and the winding core. The clamp head does not easily slip, is large in axial transmitting force, stable, and reliable.
Description
Technical field
The utility model relates to the physical construction of film stretching manufacturing line winder, is specially a kind of active dop of film stretching manufacturing line winder of energy automatic tension volume core.
Background technology
The endoporus at the volume core two ends of film stretching manufacturing line winder inserts respectively the dop at winder two ends, and wherein an end is dop initiatively, and initiatively dop drives the volume core and rotates and completes rolling.But easily skid between existing active dop and volume core, transfers power is little, and initiatively dop is unreliable to volume core transmission rotating speed and torque, and the rotation of rolling volume core is inhomogeneous even can be stopped, and affects film take-up.
The utility model content
The purpose of this utility model is to provide a kind of active dop of film stretching manufacturing line winder, have and coordinate the camshaft that connects with major axis, camshaft one end is fixed with cam, the roller that when cam rotates, its cam circular arc props up on slide block radially outward moves slide block simultaneously, automatic tension rolling volume core transmits rotating speed and torque.
The active dop of the film stretching manufacturing line winder that the utility model provides comprises major axis, bearing and bearing seat, major axis is connected with motor output shaft, also has camshaft, camshaft one end fixed installation cam, the installation end of camshaft is pressed into the endoporus of bearing, is both flush fit.Bearing is arranged in bearing seat, and the end face of bearing is perpendicular to the center shaft of bearing seat.Camshaft has centre hole, and an end of major axis inserts in the camshaft centre hole from the outside of bearing seat, and key connects major axis and camshaft.The bearing seat inner end surface is perpendicular to the center shaft of bearing seat, and the center shaft of bearing seat, major axis and camshaft overlaps; Cam has N identical rotational symmetric cam circular arc, each cam circular arc take the center of camshaft as the Rotational Symmetry center, 360 °/N is as angle of rotation.N is 2～5 integer.N cam circular arc is that radius is the identical circular arc of circumference the preceding paragraph of R, and take the camshaft center as the center of circle, R is the maximum radius of cam, and the minimum radius of cam is r, and r is the base radius of cam, sets R-r=s.
On the inner end surface of bearing seat, around its endoporus periphery, N the identical projection that is separated from each other is arranged, each projection take the bearing seat center as the Rotational Symmetry center, 360 °/N becomes Rotational Symmetry as angle of rotation.The closest range in projection inner edge and axle center is equal to or greater than R, and cam is rotatable in the middle of the projection of bearing seat.N identical slide block is on the inner end surface of bearing seat, and each slide block biend is all parallel with the inner end surface of bearing seat; Under initial condition, be under the static state of major axis, N slide block is spliced into annulus, the lateral surface of annulus is the face of cylinder, the longitudinal center line on the face of cylinder overlaps with the camshaft center shaft, the line of the Mosaic face of slide block take slide block outer arc mid point to this circular arc center of circle as axis symmetrical, and perpendicular to the slide block end face; Under volume in-core bore dia and initial condition, the difference of the annulus outside diameter of N slide block splicing is less than 2s, and when the volume core was not installed, the maximum displacement that each slide block produces under cam wheel was s.There is inserted block at the middle part of each slide block, matches with the interval between the projection of bearing seat, and the inserted block of each slide block is inserted in the interval of each projection, is both running-fit.Under initial condition each inserted block towards the minor increment in the face in axle center and axle center greater than R.
Two sides that each adjacent projection of inner hole of bearing seat periphery is relative are parallel to each other, all perpendicular to the inner end surface of bearing seat, and take pass two relative sides that are parallel to each other of this adjacent projection folded, the mid point of inner arc is symmetrical to the line in this circular arc center of circle as axis of symmetry on the bearing seat inner end surface.Two sides of the inserted block of each slide block are parallel to each other, the line take slide block outer arc mid point to the slide block outer arc center of circle as axis of symmetry symmetrical, and perpendicular to the slide block end face.Simultaneously, two sides that are parallel to each other that each adjacent projection is relative folded, on the bearing seat inner end surface mid point of inner arc to the line in this circular arc center of circle, with corresponding slide block outer arc mid point to the line in the slide block lateral arcs center of circle on same straight line.
Under initial condition, the radical length at inserted block insertion projection interval is greater than 2s.Inserted block play the guiding role when slide block moves radially, and makes slide block not have circumferential movement.
Rotating roller is installed on each inserted block, the center of circle of roller at slide block outer arc mid point to the line in this circular arc center of circle; Under initial condition, the basic circle of roller and cam is tangent.
The central axes of longitudinal center line and the bearing seat of pin, intersect vertically with the line of slide block outer arc mid point to this circular arc center of circle, sell and pass the roller centre hole, upper and lower side is installed on inserted block, and roller is rotatable take pin as axle.
The flexible cover of lateral wall of the annulus of each slide block splicing, the initial condition resilient sleeve becomes the annulus of splicing with N slide block hoop on the projection of bearing seat, and the anti-limited slip block of resilient sleeve comes off.The annulus insertion volume in-core hole that during use, the slide block of this dop is combined into.
Circlip is pressed on bearing in bearing seat.
Described bearing for the series connection bearing, is that two bearing surface opposites or back-to-back installation combine.
The end plate diameter is greater than the diameter in cam center hole, and end plate covers on the centre hole of cam face, and attaching parts captive joint end plate and major axis end face prevent major axis and key vibration vertically.
Pressing plate is annulus, and the diameter of bore of pressing plate is greater than the end plate diameter, and the pressing plate outside diameter is less than or equal to the outside diameter that the initial condition sliding block is spliced into annulus, and pressing plate is fixed in through attaching parts on the projection of bearing seat, and anti-limited slip block is along the camshaft axial motion.Pressing plate end face outer rim has chamfering, play the guiding role, and is convenient to insert the volume core.
In preferred plan, N=3, namely cam has 3 identical cam circular arcs, and 3 identical projections that are separated from each other are arranged on the inner end surface of bearing seat, and 3 slide blocks are arranged outside it.
The lateral wall of slide block is fluted, and resilient sleeve is embedded in groove, and resilient sleeve is equal with the slide block lateral wall or lower than the slide block lateral surface.
When the motor drives major axis rotates, major axis drives camshaft by key and rotates, when cam rotates, each cam circular arc is butted on the roller of each slide block, force each slide block to overcome the power of resilient sleeve, while is outer moving radially, and the lateral surface of each slide block is butted on volume in-core wall, tensioner volume core, like this, cam transmits rotating speed and torque by slide block to the volume core, drives them and rotates together.Shut down when electrical motor, after major axis stops operating, take off the volume core; the manual rotation bearing seat makes roller on each slide block along flank of cam, arrives at cam radius and be on the basic circle cambered surface of r and tangent with it; simultaneously, the resilience slide block of resilient sleeve moves in radially, and slide block is reassembled into annulus.
Compared with prior art, the advantage of the active dop of the utility model film stretching manufacturing line winder is slide block automatic tension rolling volume core, the structure of cam and slide block, be difficult for skidding between the annulus that assurance is combined by slide block and volume core, transfers power is large, transmit rotating speed and torque reliable and stable, thereby guarantee stability and the continuity of the operation of film stretching manufacturing line, improve quality and the production efficiency of film product.
Description of drawings
Fig. 1 is the active dop example structure schematic diagram of this film stretching manufacturing line winder;
Fig. 2 is that dop shown in Figure 1 under initial condition is pulled down A after pressing plate and end plate to view;
Fig. 3 is Fig. 1 bottom bracket entity structure schematic diagram.
Reference numeral: 1, pressing plate, 2, slide block, 3, resilient sleeve, 4, bearing seat, 5, bearing, 6, camshaft, 61, cam, 7, major axis, 8, circlip, 9, key, 10, pin, 11, roller; 12, bolt, 13, end plate, 14, screw, 15, the volume core.
The specific embodiment
The active dop embodiment of this film stretching manufacturing line winder as shown in Figure 1, 2, major axis 7 is connected with motor output shaft, camshaft 6 one ends have the cam 61 that is integrated with it, the end face of cam 61 is vertical with the center shaft of camshaft 6; The installation end of camshaft 6 is pressed into the endoporus of bearing 5, is both flush fit.Bearing 5 used is the series connection bearing, and the series connection bearing of this example is that two bearing surface opposite assemblings are arranged in bearing seat 4, and the end face of bearing 5 is perpendicular to the center shaft of bearing seat 4; Circlip 8 is pressed on bearing 5 in bearing seat 4.
Camshaft 6 has centre hole, and an end of major axis 7 inserts in the centre hole of camshaft 6 from the outside of bearing seat 4, and key 9 connects major axis 7 and camshaft 6.Bearing seat 4 inner end surfaces are perpendicular to the center shaft of bearing seat 4, and the center shaft of bearing seat 4, major axis 7 and camshaft 6 overlaps.End plate 13 diameters are greater than the diameter of cam 61 centre holes, and end plate 13 covers on the centre hole of cam 61 end faces, bolt 12 captive joint end plates 13 and major axis 7 end faces.
Cam 61 has 3 identical rotational symmetric cam circular arcs, and take the center of camshaft 6 as the Rotational Symmetry center, angle of rotation is 120 °.3 cam circular arcs are that radius is the identical circular arc of circumference the preceding paragraph of R, and R is the maximum radius of cam 61, and the minimum radius of cam 61 is r, and r is the base radius of cam 61, set R-r=s.On the inner end surface of bearing seat 4, around its endoporus periphery, 3 identical projections that are separated from each other are arranged, 3 projection end faces at grade, and perpendicular to the center shaft of bearing seat 4; Two sides that each adjacent projection is relative are parallel to each other, all perpendicular to the inner end surface of bearing seat 4, and two of this adjacent projections are relative, that the side that is parallel to each other is folded to pass, the mid point of inner arc is symmetrical to the line in this circular arc center of circle as axis of symmetry on bearing seat 4 inner end surfaces.3 identical projections are Rotational Symmetry, and take the center of bearing seat 4 as the Rotational Symmetry center, angle of rotation is 120 °.The closest range in projection inner edge and axle center is equal to or greater than R, and cam 61 can rotate in the middle of the projection of bearing seat 4.3 identical slide blocks 2 are on the inner end surface of bearing seat 4, and the biend of each slide block 2 is all parallel with the inner end surface of bearing seat 4; Under initial condition, under the state that namely major axis 7 is static, 3 slide blocks 2 are spliced into annulus, the line of the Mosaic face of slide block 2 take slide block 2 outer arc mid points to this circular arc center of circle as axis symmetrical, and perpendicular to slide block 2 end faces; The lateral surface of annulus is the face of cylinder, and the longitudinal center line on the face of cylinder overlaps with camshaft 6 center shafts, and the difference of the annulus outside diameter of lower 3 slide blocks, 2 splicings of volume core 15 diameter of bores and initial condition is less than 2s.There is inserted block at the middle part of each slide block 2, match with the interval between the projection of bearing seat 4, two sides of each inserted block are parallel to each other, the line take slide block 2 outer arc mid points to this circular arc center of circle as axis of symmetry symmetrical, and perpendicular to slide block 2 end faces, the inserted block of each slide block 2 is inserted in the interval of each projection, is both running-fit.Under initial condition, greater than R, each inserted block inserts the radical length at projection interval greater than 2s to each inserted block towards the minor increment in the face in axle center and axle center.The end face of 3 slide blocks and 3 projection end faces are at grade.
Pressing plate 1 is annulus, the biend of pressing plate 1 is parallel and all perpendicular to the axis of pressing plate 1, pressing plate 1 diameter of bore is greater than end plate 13 diameters, the annulus outside diameter of slide block 2 splicings when pressing plate 1 outside diameter equals initial condition, pressing plate 1 is fixed in through screw 14 on the projection of bearing seat 4, and the axis of pressing plate 1 overlaps with the center shaft that initial condition sliding block 2 is spliced into longitudinal center line, bearing seat 4, major axis 7 and the camshaft 6 of annulus.Pressing plate 1 end face outer rim has chamfering.
Above-described embodiment is only the specific case that the purpose of this utility model, technical scheme and beneficial effect are further described, and the utility model is not to be defined in this.All any modifications of making, be equal to replacement, improvement etc., within all being included in protection domain of the present utility model within scope of disclosure of the present utility model.
Claims (10)
1. the active dop of film stretching manufacturing line winder, comprise major axis (7), bearing (5) and bearing seat (4), and major axis (7) is connected with motor output shaft, it is characterized in that:
Also have camshaft (6), camshaft (6) one end fixed installation cams (61), the installation end of camshaft (6) is pressed into the endoporus of bearing (5), is both flush fit; Bearing (5) is arranged in bearing seat (4), and the end face of bearing (5) is perpendicular to the center shaft of bearing seat (4); Camshaft (6) has centre hole, and an end of major axis (7) inserts in camshaft (6) centre hole from the outside of bearing seat (4), and key (9) connects major axis (7) and camshaft (6); Bearing seat (4) inner end surface is perpendicular to the center shaft of bearing seat (4), and the center shaft of bearing seat (4), major axis (7) and camshaft (6) overlaps; Cam (61) has N identical rotational symmetric cam circular arc, and each cam circular arc is take the center of camshaft (6) as the Rotational Symmetry center, and angle of rotation is 360 °/N; N is 2～5 integer; N cam circular arc is that radius is the identical circular arc of circumference the preceding paragraph of R, and take camshaft (6) center as the center of circle, R is the maximum radius of cam (61), and the minimum radius of cam (61) is r, and r is the base radius of cam (61), sets R-r=s;
On the inner end surface of bearing seat (4), around its endoporus periphery, N the identical projection that is separated from each other is arranged, each projection take bearing seat (4) center as the Rotational Symmetry center, 360 °/N becomes Rotational Symmetry as angle of rotation; The closest range in projection inner edge and axle center is equal to or greater than R, and cam (61) is rotatable in the middle of the projection of bearing seat (4); N identical slide block (2) is on the inner end surface of bearing seat (4), and the biend of each slide block (2) is all parallel with the inner end surface of bearing seat (4); Under initial condition, be under the static state of major axis (7), N slide block (2) is spliced into annulus, the lateral surface of annulus is the face of cylinder, the longitudinal center line on the face of cylinder overlaps with camshaft (6) center shaft, the line of the Mosaic face of slide block (2) take slide block (2) outer arc mid point to this circular arc center of circle as axis symmetrical, and perpendicular to slide block (2) end face; Under volume core (15) diameter of bore and initial condition, the difference of the annulus outside diameter of N slide block (2) splicing is less than 2s; There is inserted block at the middle part of each slide block (2), matches with the interval between the projection of bearing seat (4), and the inserted block of each slide block (2) is inserted in the interval of each projection, is both running-fit; Under initial condition, each inserted block greater than R, is installed rotating roller (11) towards the minor increment in the face in axle center and axle center on each inserted block, the center of circle of roller (11) at slide block (2) outer arc mid point to the line in this circular arc center of circle; Under initial condition, roller (11) is tangent with the basic circle of cam (61); The flexible cover of lateral wall (3) of the annulus of each slide block (2) splicing, initial condition resilient sleeve (3) becomes the annulus of splicing with N slide block (2) hoop on the projection of bearing seat (4); Annulus that during use, the slide block of this dop (2) is combined into inserts in volume core (15) hole.
2. the active dop of film stretching manufacturing line winder according to claim 1 is characterized in that:
Described bearing (5) is the series connection bearing, is two bearing surface opposites or back-to-backly assembles.
3. the active dop of film stretching manufacturing line winder according to claim 1 is characterized in that:
Circlip (8) is pressed on described bearing (5) in bearing seat (4).
4. the active dop of film stretching manufacturing line winder according to claim 1 is characterized in that:
The central axes of longitudinal center line and the bearing seat (4) of pin (10), and slide block (2) outer arc mid point intersect vertically to the line in this circular arc center of circle, pin (10) passes described roller (11) centre hole, upper and lower side is installed on inserted block, and roller (11) rotates take pin (10) as axle.
5. the active dop of film stretching manufacturing line winder according to claim 1 is characterized in that:
Two sides that each adjacent projection of described bearing seat (4) endoporus periphery is relative are parallel to each other, all perpendicular to the inner end surface of bearing seat (4), and mid point folded take two relative sides that are parallel to each other of this adjacent projection, inner arc on the bearing seat inner end surface is symmetrical to the line in this circular arc center of circle as axis of symmetry; Two sides of described each inserted block are parallel to each other, the line take slide block (2) outer arc mid point to this circular arc center of circle is symmetrical as axis of symmetry, and perpendicular to slide block (2) end face, under initial condition, inserted block inserts the radical length at projection interval greater than 2s.
6. the active dop of film stretching manufacturing line winder according to claim 1 is characterized in that:
End plate (13) diameter is greater than the diameter of described cam (61) centre hole, and end plate (13) covers on the centre hole of cam (61) end face, attaching parts captive joint end plate (13) and major axis (7) end face.
7. the active dop of film stretching manufacturing line winder according to claim 6 is characterized in that:
Pressing plate (1) is annulus, its diameter of bore is greater than described end plate (13) outside diameter, pressing plate (1) outside diameter is less than or equal to the outside diameter of the annulus of initial condition sliding block (2) splicing, and pressing plate (1) is fixed on the projection of bearing seat (4) through attaching parts.
8. the active dop of film stretching manufacturing line winder according to claim 7 is characterized in that:
Described pressing plate (1) end face outer rim has chamfering.
9. the active dop of film stretching manufacturing line winder according to claim 1 is characterized in that:
The lateral wall of described slide block (2) is fluted, and resilient sleeve (3) is embedded in groove, and is equal with slide block (2) lateral wall or lower than slide block (2) lateral surface.
10. the active dop of the described film stretching manufacturing line of any one winder according to claim 1 to 9 is characterized in that:
Described N=3, namely cam (61) has 3 cam circular arcs, and 3 projections are arranged on the inner end surface of bearing seat (4), and 3 projections have 3 slide blocks (2) outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736579 CN203021122U (en) | 2012-12-27 | 2012-12-27 | Driving clamp head of winding machine for thin film stretching production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736579 CN203021122U (en) | 2012-12-27 | 2012-12-27 | Driving clamp head of winding machine for thin film stretching production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203021122U true CN203021122U (en) | 2013-06-26 |
Family
ID=48645118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220736579 Withdrawn - After Issue CN203021122U (en) | 2012-12-27 | 2012-12-27 | Driving clamp head of winding machine for thin film stretching production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203021122U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043503A (en) * | 2012-12-27 | 2013-04-17 | 桂林电器科学研究院 | Active chuck for film drawing line winders |
| CN105972100A (en) * | 2016-06-27 | 2016-09-28 | 芜湖市海联机械设备有限公司 | Mounted bearing |
| EA038829B1 (en) * | 2018-12-17 | 2021-10-26 | Заурер Текнолоджиз Гмбх Унд Ко. Кг | Spinning coil carrier and expansion unit for a spinning coil carrier |
-
2012
- 2012-12-27 CN CN 201220736579 patent/CN203021122U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043503A (en) * | 2012-12-27 | 2013-04-17 | 桂林电器科学研究院 | Active chuck for film drawing line winders |
| CN103043503B (en) * | 2012-12-27 | 2015-04-15 | 桂林电器科学研究院有限公司 | Active chuck for film drawing line winders |
| CN105972100A (en) * | 2016-06-27 | 2016-09-28 | 芜湖市海联机械设备有限公司 | Mounted bearing |
| CN105972100B (en) * | 2016-06-27 | 2018-10-16 | 芜湖市海联机械设备有限公司 | A kind of rolling bearing units |
| EA038829B1 (en) * | 2018-12-17 | 2021-10-26 | Заурер Текнолоджиз Гмбх Унд Ко. Кг | Spinning coil carrier and expansion unit for a spinning coil carrier |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUILIN ELECTRICAL EQUIPMENT SCIENTIFIC RESEARCH IN Free format text: FORMER NAME: GUILIN ELECTRICAL EQUIPMENT SCIENTIFIC RESEARCH INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 541004 Guilin, the Guangxi Zhuang Autonomous Region Chen Shan Road, No. 1 Patentee after: Guilin Electrical Equipment Scientific Research Institute Co., Ltd. Address before: 541004 Guilin, the Guangxi Zhuang Autonomous Region Chen Shan Road, No. 1 Patentee before: Guilin Electrical Appliace Science Research Institute |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20150415 |
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| RGAV | Abandon patent right to avoid regrant |