WO2017215643A1 - 一种用于卫生制品生产设备的变间距输送装置 - Google Patents

一种用于卫生制品生产设备的变间距输送装置 Download PDF

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Publication number
WO2017215643A1
WO2017215643A1 PCT/CN2017/088556 CN2017088556W WO2017215643A1 WO 2017215643 A1 WO2017215643 A1 WO 2017215643A1 CN 2017088556 W CN2017088556 W CN 2017088556W WO 2017215643 A1 WO2017215643 A1 WO 2017215643A1
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WIPO (PCT)
Prior art keywords
stator
mover
workpiece
area
component
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PCT/CN2017/088556
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English (en)
French (fr)
Inventor
方安江
胡文军
龚志龙
Original Assignee
黄山富田精工制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201610446233.3A external-priority patent/CN105947723B/zh
Priority claimed from CN201610616616.0A external-priority patent/CN106167196B/zh
Priority claimed from CN201610613280.2A external-priority patent/CN106081606B/zh
Priority claimed from CN201610613320.3A external-priority patent/CN106044348B/zh
Application filed by 黄山富田精工制造有限公司 filed Critical 黄山富田精工制造有限公司
Publication of WO2017215643A1 publication Critical patent/WO2017215643A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators

Definitions

  • the invention belongs to the field of sanitary article manufacturing equipment, and more particularly to a variable pitch conveying device for a sanitary article production device, which can increase or decrease the conveying speed when handing a workpiece moving on one conveyor belt to another conveyor belt.
  • Patent Document 1 discloses a transfer method and a transfer apparatus including a crank, a link, and a rotating member, each of which is rotatably coupled to a drive wheel, each of which is connected to the top end of the crank with a pin at one end thereof, and the other end Connected to the rotating member by a pin, the rotating member and the rotating member of the driving wheel are connected by a pin, and the rotating member is kept at a certain distance from the rotating shaft of the driving wheel, wherein: the shifting cam roller on the crank is at a certain distance from the center of rotation thereof Protruding outward, the shift cam roller is guided by the shift cam groove when it meshes with the shift cam groove, and the shift cam groove is eccentric with the rotation axis of the drive wheel, so that the top end of the crank swings when the drive wheel rotates one turn; the result is with the top end of the crank and The angular velocity of the connecting rod to which the rotating member is connected is periodically increased or decreased with respect to the angular velocity of the driving wheel.
  • an apparatus for manufacturing an article and a method of manufacturing the same which have a conveying device that sequentially receives a pad of an elastic member, a cutter that divides the elastic member, and conveys the fabric at a substantially constant conveying speed higher than a feeding speed. At the same time, the elastic member is copied from the liner to the copying device on the fabric.
  • Patent Document 1 Chinese Patent Authorization No. CN1178828C
  • Patent Document 2 Chinese Patent Authorization No. CN1245930C
  • the present invention provides a variable pitch conveying device for a sanitary product production apparatus, which solves the problems of long escape period of the prior device, limited cam life, and inconvenient debugging.
  • variable pitch conveying device for a sanitary product production device for conveying a workpiece from a front stage to a rear stage, which includes certain sub-components, at least one mutually Independent moving mover parts, and controllers.
  • the stator component has a pick-up area for receiving the workpiece conveyed by the previous stage at the first transport speed, for transferring the workpiece's handover area at the second transport speed for the latter stage, and for setting between the pick-up area and the handover area In the shifting region where the workpiece is picked up.
  • the stator component urges the mover component to move by the magnetic force.
  • the mover member drives the workpiece to move, and a sensing member for monitoring the position of the mover member is mounted thereon.
  • the mover member moves in the pick-up region at a pick-up speed substantially equal to the first transfer speed, and then changes the transfer speed of the mover member via the shift region, and then reaches the handover region and at a transfer speed substantially equal to the second transfer speed Transfer the workpiece to the next stage.
  • the picking speed and the handing speed are different from each other.
  • the transfer pitch of the workpiece in the handover area is greater than the transfer pitch of the pick-up area; when the transfer speed is less than the pick-up speed, the transfer pitch of the workpiece in the handover area is smaller than that of the pick-up area Transfer pitch.
  • the controller is respectively connected with the stator component and the sensing component; on the one hand, the magnetic field force is generated by controlling the current direction in the stator component to push the movement of the moving component, and on the other hand, the position of the moving component is monitored in real time by the sensing component.
  • the above workpiece may be any of raw materials, semi-finished products, and finished products of sanitary articles. Further, the mover parts are not connected by cables.
  • a guide portion is formed on the stator member, and the mover member is slidable along the guide portion of the stator member in a rolling friction manner.
  • the shape of the above stator component may be determined according to specific needs, which may be Round or non-circular.
  • the movable member is provided with a detachable workpiece holding member for picking up, shifting, and handing over the workpiece, and the workpiece holding member may be in the form of vacuum suction or electrostatic adsorption.
  • variable pitch conveying device further includes a direction changing member that rotates the moving member to change the direction of the workpiece in the driving surface, and the device integrates the two processes of shifting and steering into one
  • the device can further improve production efficiency.
  • the structure of the redirecting member can adopt the manner that the cylindrical cam with the groove and the swing arm cooperate with each other, and the shifting and changing direction of the workpiece in the picking up region to the handing region can be realized by adding the redirecting member.
  • the specific structural form is not limited thereto, as long as the purpose of changing direction can be achieved, and details are not described herein again.
  • the foregoing workpiece is a continuous material
  • the two processes of cutting off and shifting are completed step by step according to the station or concentrated into one device.
  • another embodiment of the invention may be formed, the variable pitch conveying device for shifting the continuous material after the cutting, and further comprising a cutter roller and at least one anvil movable about the stator member.
  • the stator component also has a material cut-off area for cutting the continuous material.
  • the continuous material first reaches the material cutting area at the speed of the first conveying speed, is cut by the cooperation of the cutter roller and the anvil, and then the moving parts are picked up at a picking speed substantially equal to the first conveying speed. Moving and holding the cut discrete material on its surface, changing the conveying speed of the moving parts through the shifting zone, then reaching the handover area and transferring the discrete material to the next one at a transfer speed substantially equal to the second transfer speed of the subsequent stage level.
  • variable pitch conveying device can also change the direction of the workpiece holding member during the shifting.
  • the component is rotated periodically with the material.
  • the invention has the following advantages:
  • the invention generates a magnetic field force by controlling the direction of the current in the stator component by the controller, thereby pushing the mover
  • the component performs a shifting motion along a trajectory that can transport, position, and cache the workpiece, which specifically includes a stator component, a plurality of mover components, and a controller.
  • One or more cableless mover components can be servo controlled up to 4 meters per second, greatly improving transport efficiency.
  • the device on the device requires a standardized design of the device corresponding to the pitch adjustment, shortens the manufacturing cycle of the device; on the other hand, the flexibility of the device for manufacturing different specifications is greatly improved, and the product is greatly shortened. The time is changed, and the debugging is convenient and the production efficiency is high.
  • Figure 1 is a schematic diagram of Embodiment 1 of the present invention.
  • Fig. 2 is a schematic view showing the operation of the embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of Embodiment 2 of the present invention.
  • Figure 4 is a side cross-sectional view showing a second embodiment of the present invention.
  • Figure 5 is a schematic diagram of Embodiment 3 of the present invention.
  • Figure 6 is a schematic diagram of Embodiment 4 of the present invention.
  • a variable pitch conveyor for a sanitary article production apparatus for transporting a workpiece from a preceding stage 101 to a subsequent stage 102 includes a sub-assembly 1 that is at least one independently movable The moving part 2, and the controller 3.
  • the stator part 1 has a pick-up area 11 for receiving a workpiece conveyed by the preceding stage 101 at a first transport speed V1, for which the hand-over area 12 of the workpiece is transported at a second transport speed V2 for the subsequent stage 102, and is set up for picking up
  • a shifting region 13 for gripping the picked up workpiece is used between the region 11 and the handover region 12.
  • a coil connected to the controller 3 is disposed in the stator member 1. The direction of the current in the coil is changed by the controller 3 to generate a magnetic field force, thereby pushing the mover member 2 to move on the stator member 1, and the magnetic field passing through the coil is larger. The stronger the force, the faster the moving part 2 moves.
  • the mover member 2 drives the movement of the workpiece, on which the sensing member 4 for monitoring the position of the mover member 2 and the detachable workpiece holding member 5 for picking up, transferring, and handing over the workpiece are mounted.
  • the workpiece holding member 5 can firmly adsorb the workpiece on the surface thereof, and the preferred adsorption surface is plasma-treated, and the workpiece is prevented from flying out and displaced during the movement by increasing friction, thereby improving the stability of the device.
  • the controller 3 is connected to the stator component 1 and the sensing component 4, respectively.
  • the magnetic field force is generated by controlling the direction of the current in the stator component 1 to drive the movement of the moving component 2, and on the other hand, the moving component is monitored in real time by the sensing component 4. 2 location.
  • stator component 1 is substantially elliptical in shape, and has a first circular arc portion 14 that receives and transports the workpiece, a second circular arc portion 15 that releases the transporting workpiece, and a first circular arc portion and a second circular arc portion.
  • the first straight portion 16 and the second straight portion 17 are interposed.
  • a guide portion 18 is opened on the stator member 1, and the mover member 2 is slidably slid along the guide portion 18 by rolling friction.
  • the mover member 2 moves at the pick-up region 11 at a pick-up speed substantially equal to the first transfer speed V1, and then changes the transfer speed of the mover member 2 via the shift region 13, and then reaches the handover region 12 and is substantially equal to The transfer speed of the two transfer speeds V2 transfers the workpiece to the next stage.
  • the pick-up speed V1 and the hand-over speed V2 are different from each other.
  • the handover speed V2 is greater than the pickup speed V1
  • the transfer pitch of the workpiece in the handover area 12 is greater than the transfer pitch of the pickup area 11; when the handover speed V2 is less than the pickup speed V1, the transfer of the workpiece within the handover area 12
  • the pitch is smaller than the transfer pitch of the pick-up area 11.
  • the invention generates a magnetic field force by controlling the direction of the current in the stator component by the controller, thereby pushing the mover component to perform a shifting motion along a certain trajectory, and the device can transport, position and cache the workpiece.
  • a variable pitch conveying device for a sanitary product producing apparatus for shifting a workpiece from a front stage to a rear stage comprising a stator part 1, at least one independently movable The moving parts 2, and the controller.
  • the controller can be understood with reference to Figure 1, which is not shown in Figure 3.
  • the stator component 1 is composed of a first stator 104 and a second stator 105.
  • a fixed shaft 26 is disposed between the second stator 105 and the second stator 105.
  • the first stator 104 has a substantially circular shape, and the first stator 104 has a pick-up area 11 for receiving the workpiece at a first transport speed V1 in the previous stage, and a transfer area of the workpiece at a second transport speed V2 for the subsequent stage. 12, and a shifting region 13 for gripping the picked up workpiece between the pick-up area 11 and the handover area 12.
  • the structure of the first stator 104 is substantially the same as that of the stator component 1 described in Embodiment 1, and will not be further described herein.
  • a redirecting cam groove 21 is also formed on the outer peripheral surface of the second stator 105.
  • a guide portion 18 is opened on the first stator 104, and the mover member 2 is slidably slid along the guide portion 18 of the first stator 104 by rolling friction.
  • the mover member 2 includes a cam guide 27, a sensing member 4, a rotatable workpiece holding member 5, a crank 20, a link 22, a slider 23, a wire rail 24, and a holder 25.
  • the cam guide 27 is disposed in the redirecting cam groove 21 and is fixed to the support 25, the sensing member 4 is for monitoring the position of the mover member 2, and the crank 20 is coupled with the rotating shaft of the workpiece holding member 5 to drive the workpiece.
  • the holding member is periodically rotated along the normal line of the conveying surface, and one end of the connecting rod 22 is connected to the other end of the crank 20 to connect the slider 23, and the slider 23 can linearly reciprocate along the line rail 24, and the bearing 25 and the slider 23 are opposite each other. fixed.
  • the structure for realizing the changing mechanism of the present invention is not limited thereto, and can also be realized by a structure such as disclosed in Chinese Patent Application No. 0 080 325 5.6.
  • the mover member 2 moves at the pick-up region 11 at a pick-up speed substantially equal to the first transfer speed V1, and then changes the transfer speed of the mover member 2 via the shift region 13, and then reaches the handover region 12 and is substantially equal to The transfer speed of the two transfer speeds V2 transfers the workpiece to the next stage. While the mover member 2 drives the workpiece to shift motion under the magnetic field force, the workpiece holding member 5 can be periodically rotated according to the position of the cam guide 27 on the redirecting cam groove 21.
  • the controller is connected to the first stator 104 and the sensing component 4.
  • the magnetic field force is generated by controlling the direction of the current in the first stator 104 to drive the movement of the moving component 2, and on the other hand, the sensing component 4 monitors the movement in real time. The position of the subassembly 2.
  • the first stator drives the mover member to perform a shifting motion along a certain trajectory, and at the same time, the cam guide of the mover member is relatively moved along the redirecting cam groove of the second stator, thereby realizing Variable speed and reverse movement of the workpiece.
  • variable pitch conveying device for a sanitary product producing apparatus for cutting a continuous material 103 conveyed from a conveyor belt of a preceding stage 101, and performing variable speed transmission, including a certain sub-assembly 1, a plurality of mutually reciprocal The independently moving mover part 2, a plurality of anvils 6 movable around the stator part 1, a cutter roll 7 cooperating with the anvil 6, and a controller 3.
  • the stator member 1 is substantially circular, has a material cut-off region 19 for cutting the continuous material 103, receives the pick-up region 11 of the material after cutting, and conveys the transfer region 12 of the cut material to the next stage, and sets The shifting zone 13 between the pick-up area 11 and the hand-over area 12.
  • a coil connected to the controller 3 is disposed in the stator member 1. The direction of the current in the coil is changed by the controller 3 to generate a magnetic field force, thereby pushing the mover member 2 to move on the stator member 1. The larger the current passing through the coil, the magnetic field The stronger the force, the faster the moving part 2 moves.
  • a guide portion is opened in the stator member 1, and the mover member 2 is slidably slid along the guide portion of the stator member 1 by rolling friction.
  • the mover part 2 drives the movement of the material, on which is mounted a sensing part 4 for monitoring the position of the mover part 2 for feeding back the movement position of the mover part 2 to the controller 3 in real time.
  • the movable member 2 is provided with a detachable workpiece holding member 5 for holding, shifting, and handing over the material, and the workpiece holding member 5 can be vacuum suctioned or electrostatically adsorbed.
  • the anvil 6 is capable of coming into contact with the cutter roller 7 and does not interfere with the mover member 2.
  • the number of anvils 6 is the same as the number of mover parts 2.
  • the cutter roll 7 has at least one cutter, and the continuous material is cut by the rotation of the cutter roller 7.
  • the controller 3 is connected to the stator component 1 and the sensing component 4, respectively.
  • the magnetic field force is generated by controlling the direction of the current in the stator component 1 to drive the movement of the moving component 2, and on the other hand, the moving component is monitored in real time by the sensing component 4. 2 location.
  • the pick-up region 11 described above may be disposed on the upstream side or the downstream side of the material cutting region 19.
  • Figure 5 illustrates the situation in which the pick-up region 11 is located on the downstream side of the material cut-off region 19, at which time the continuous material 103 first reaches the material cut-off region at the speed of the first transport speed V1, at the cutter roll 7 and the anvil 6 is cut off, and then the discrete material after cutting is held in the pick-up area 11 by the passive sub-parts on its surface, and the mover part 2 is moved in the pick-up area at a pick-up speed V substantially equal to the first transport speed V1,
  • the transfer speed of the mover member 2 is changed via the shifting region, and then the transfer region 12 is reached and the discrete material is transferred to the subsequent stage at a transfer speed substantially equal to the second transfer speed V2 of the subsequent stage.
  • V1 V and V ⁇ V2.
  • the continuous material 103 is first held by the pick-up area 11 on the surface of the mover part, then cut off by the material cut-off area 19, and then shifted to the handover area by the shifting area 13. 12 movement, the working principle in this case is the same as above.
  • the invention integrates cutting and shifting, and cuts the continuous material into a plurality of discrete materials under the cooperation of the cutter roller and the anvil, and then the controller controls the direction of the current in the stator component to generate a magnetic field force to push the mover component along a certain
  • the trajectory is used for variable speed movements to cut, transport, position and cache workpieces.
  • a variable pitch conveying device for a sanitary product production apparatus for cutting, shifting, and steering the continuous material 103 conveyed from the conveyor belt of the previous stage 101 includes a certain sub-assembly 1, a plurality of A mover member 2 that moves independently of each other, a plurality of anvils 6 movable about the stator member 1, a cutter roller 7 that cooperates with the anvil 6, and a controller 3.
  • the stator member 1 is substantially circular, has a material cut-off region 19 for cutting the continuous material 103, receives the pick-up region 11 of the material after cutting, and conveys the transfer region 12 of the cut material to the next stage, and sets The shifting steering region 28 is between the pick-up area 11 and the hand-over area 12.
  • a coil connected to the controller 3 is disposed in the stator member 1.
  • the direction of the current in the coil is changed by the controller 3 to generate a magnetic field force, thereby pushing the mover member 2 to move on the first stator 1, and the current passing through the coil is increased.
  • the stronger the magnetic field force the faster the moving parts 2 move.
  • a guide portion is opened in the stator member 1, and the mover member 2 is slidably slid along the guide portion of the stator member 1 by rolling friction.
  • the mover member 2 drives the movement of the material, which includes a sensing member 4 for monitoring the position of the mover member 2, and a detachable workpiece holding member 5 for holding, shifting, and handing over the material.
  • the workpiece holding member 5 may be in the form of negative pressure adsorption or electrostatic adsorption, and the sensing member 4 is used to transport the moving member 2
  • the real-time feedback of the moving position is in the controller 3.
  • the above-described conveying device further includes a direction changing member that rotates the workpiece holding member 5 of the mover member 2 in the transmission surface so that the direction of the material is changed after the cutting, and the direction changing member is coupled to the workpiece holding member 5 via the rotary shaft 8.
  • variable-direction component can be realized by the way that the cylindrical cam with the groove and the swing arm cooperate with each other, or the cylindrical cam-series crank-slider mechanism of the straight-moving follower is adopted, and the specific structural form of the variable-direction mechanism is not limited.
  • the above two methods can also be implemented by using a structure disclosed in, for example, Chinese Patent Application No. 00803255.6 and 201320802941.8, and details are not described herein again.
  • the anvil 6 is capable of coming into contact with the cutter roller 7 and does not interfere with the mover member 2.
  • the center of rotation of the anvil 6 is eccentrically set with the center of rotation of the mover member 2. Specifically, each of the mover members 2 rotates around the first rotation center 9, and each of the anvils 6 rotates around the second rotation center 10, and the second rotation center 10 is disposed at a side of the first rotation center 9 closer to the cutter roller 7. This arrangement can better prevent the anvil from interfering with the workpiece holding member on the mover member.
  • the number of anvils 6 is the same as the number of mover parts 2.
  • the cutter roll 7 has at least one cutter, and the continuous material 103 is cut by the rotation of the cutter roller 7.
  • the controller 3 is connected to the stator component 1 and the sensing component 4, respectively.
  • the magnetic field force is generated by controlling the direction of the current in the stator component 1 to drive the movement of the moving component 2, and on the other hand, the moving component is monitored in real time by the sensing component 4. 2 location.
  • a first continuous material conveying speed V reaches the speed of the material 1 of the first cutting region 19, is cut in cooperation with the anvil roll and the cutting blade, then the mover member is substantially equal to the conveyance speed V1 of the first reception speed V
  • the pickup region 11 is moved and the cut discrete material is held on its surface, the transfer speed of the mover member is changed via the shifting steering region 28, and then reaches the handover region and is transferred at a second transfer speed V2 substantially equal to the subsequent stage.
  • Speed transfers discrete materials to the next level.
  • the invention integrates cutting, shifting and steering, and cuts the continuous material into a plurality of discrete materials under the cooperation of the cutter roller and the anvil, and then the controller controls the direction of the current in the stator component to generate a magnetic field force to push the mover component along A certain trajectory is used to make the shifting motion, while the pad of the mover component is changing direction.
  • the component drives the material to rotate while shifting motion.

Abstract

一种用于卫生制品生产设备的变间距输送装置，用于将工件从前一级向后一级传送，其包括一定子部件（1），至少一个可相互独立运动的动子部件（2），和控制器（3）；其中，定子部件（1）通过磁场力推动动子部件（2）运动；工作时，动子部件（2）以基本等于第一传送速度的拾起速度在拾起区域（11）运动，而后经变速区域（13）改变动子部件（2）的传送速度，接着到达移交区域（12）并以基本等于第二传送速度的移交速度将工件传送至后一级。当工件是连续材料时，还需要将连续材料切断形成离散片材，即将切断、变速两道工序按照工位分步完成或者集中到一台装置完成。因此，还包括切刀辊（7）、和至少一个可绕定子部件（1）运动的砧座（6），定子部件（1）上还具有用以切断连续材料的切断区域（19）。该装置一方面使得设备上需要调距的相关工位的装置实现标准化设计，缩短设备的生产制造周期；另一方面使得设备对不同规格产品制造的灵活性大幅度提高，极大的缩短产品的改码时间，且调试方便，生产效率高。

Description

一种用于卫生制品生产设备的变间距输送装置 技术领域
本发明属于卫生用品制造设备领域，尤其涉及一种用于卫生制品生产设备的变间距输送装置，其在将一条传送带上运动的工件移交到另一条传送带时可提高或降低其传送速度。
背景技术
在卫生制品生产线上经常需要将离散的片材以两个相邻片材之间的距离切换到另一个距离，进而实现片材的调位，即变间距。在其它应用中，有时还会进一步增加扭转的步骤，实现片材的调向。
如专利文献1公开了一种传送方法和传送设备，其包括曲柄、连杆和旋转部件，各曲柄与驱动轮转动连接，各连杆以其一端用销子连接于曲柄的顶端，其另一端用销子连接于旋转部件，旋转部件与驱动轮的旋转部件用销子连接，旋转部件与驱动轮的旋转轴保持一定距离，其中：曲柄上有变速凸轮滚柱从距离其旋转中心一定距离处向外凸出，变速凸轮滚柱在与变速凸轮沟槽啮合时被其引导，变速凸轮沟槽与驱动轮的旋转轴偏心，因此驱动轮转动一周时曲柄的顶端摆动；结果与曲柄的顶端及旋转部件连接的连杆的角速度相对于驱动轮的角速度周期性增减。
又如专利文献2公开了物品的制造装置及其制造方法，其具有依次接收弹性构件的衬垫的输送装置，分割弹性构件的切刀，和以高于送出速度的大致一定的输送速度输送织品，同时将弹性构件从衬垫上复制到在织品上的复制装置。
上述两篇专利文献受到具体结构的限制，当需要改变工件的时候，只有将原有整台凸轮拆下并换上新的凸轮才能实现，因而其存在换码周期长，凸轮寿命有限，调试不方便，以及输送效率不高等问题。
专利文献1：中国专利授权号CN1178828C
专利文献2：中国专利授权号CN1245930C
发明内容
鉴于此，本发明提供一种用于卫生制品生产设备的变间距输送装置，解决现有装置换码周期长、凸轮寿命有限、以及调试不方便的问题。
本发明解决上述技术问题所采用的技术方案为：一种用于卫生制品生产设备的变间距输送装置，用于将工件从前一级向后一级传送，其包括一定子部件，至少一个可相互独立运动的动子部件，和控制器。
其中，定子部件上具有接收被前一级以第一传送速度传送工件的拾起区域，为了后一级以第二传送速度传送工件的移交区域，以及设置在拾起区域与移交区域之间用于夹持被拾起工件的变速区域。定子部件通过磁场力推动动子部件运动。
动子部件带动工件运动，其上安装有用于监测动子部件位置的传感部件。工作时，动子部件以基本等于第一传送速度的拾起速度在拾起区域运动，而后经变速区域改变动子部件的传送速度，接着到达移交区域并以基本等于第二传送速度的移交速度将工件传送至后一级。其中拾起速度和移交速度互不相同。当移交速度大于拾起速度时，工件在移交区域内的传送节距大于拾起区域的传送节距；当移交速度小于拾起速度时，工件在移交区域内的传送节距小于拾起区域的传送节距。
控制器分别与定子部件、传感部件相连接；一方面通过控制定子部件中的电流方向产生磁场力推动动子部件运动，另一方面通过传感部件实时监测动子部件的位置。
上述工件可以是卫生制品的原材料、半成品、成品中的任一种。进一步的，动子部件不通过线缆连接。
优选的，在定子部件上开设有导向部，动子部件以滚动摩擦方式沿着定子部件的导向部自由滑动。上述定子部件的形状可视具体需要而定，其可以是 圆形或者非圆形。
作为本发明的进一步改进，动子部件上安装有将工件拾起、变速、移交的可拆卸式工件保持部件，该工件保持部件可采用负压吸附或静电吸附等方式。
在卫生用品生产线上除了需要将工件从前一级向后一级作变速传送，有时还需要进一步增加扭转工序，即实现工件的调向。因此作为本发明的一种具体实施方式，上述变间距输送装置还包括在传动面内转动动子部件使工件的方向发生改变的变向部件，该装置将变速、转向两道工序集中到一台装置，可进一步提高生产效率。该变向部件的结构可采用带有凹槽的圆柱凸轮与摆臂相互配合的方式，通过增加变向部件实现工件在拾起区域到移交区域的变速与变向。当然其具体结构形式不限于此，只要能实现变向的目的即可，在此不再赘述。
然而，当前述工件是连续材料时，还需要将连续材料切断形成离散片材，再将该离散片材以两个相邻片材之间的距离切换到另一个距离，现有装置多采用分体式和集成式两种形式，即将切断、变速两道工序按照工位分步完成或者集中到一台装置完成。就后者而言可形成本发明另一种实施方式，上述变间距输送装置用于将连续材料切断后变速传送，还包括切刀辊、和至少一个可绕定子部件运动的砧座。定子部件上还具有用以切断连续材料的材料切断区域。工作时，连续材料以第一传送速度的速度首先到达材料切断区域，在切刀辊和砧座的配合下被切断，接着动子部件以基本等于第一传送速度的拾起速度在拾起区域运动并将切断后的离散材料保持在其表面，经变速区域改变动子部件的传送速度，接着到达移交区域并以基本等于后一级的第二传送速度的移交速度将离散材料转移至后一级。
当然还可以视需要在前面提到具有切断、变速功能的输送装置上增加变向部件，进而形成本发明另一种实施方式，上述变间距输送装置，在变速期间工件保持部件还能在变向部件的带动下与材料一起作周期性转动。
本发明与现有技术相比，具有如下优点：
本发明通过控制器控制定子部件内电流的方向产生磁场力，进而推动动子 部件沿着一定的轨迹做变速运动，上述装置可以输送、定位和缓存工件，其具体包括一个定子部件、多个动子部件和控制器。一个或多个无电缆的动子部件可以最高每秒4米的速度进行伺服控制，大大提高了输送效率。本发明一方面使得设备上需要调距的相关工位的装置实现标准化设计，缩短设备的生产制造周期；另一方面使得设备对不同规格产品制造的灵活性大幅度提高，极大的缩短产品的改码时间，且调试方便，生产效率高。
附图说明
图1是本发明实施例1的原理图。
图2是本发明实施例1的工作示意图。
图3是本发明实施例2的原理图。
图4是本发明实施例2的侧面剖视图。
图5是本发明实施例3的原理图。
图6是本发明实施例4的原理图。
具体实施方式
以下参照说明书附图和具体实施方式，对本发明进行说明。
实施例1
请参阅图1至2，一种用于卫生制品生产设备的变间距输送装置，用于将工件从前一级101向后一级102传送，其包括一定子部件1，至少一个可相互独立运动的动子部件2，以及控制器3。
其中，定子部件1上具有接收被前一级101以第一传送速度V1传送工件的拾起区域11，为了后一级102以第二传送速度V2传送工件的移交区域12，以及设置在拾起区域11与移交区域12之间用于夹持被拾起工件的变速区域13。定子部件1内设置有与控制器3相连接的线圈，通过控制器3改变线圈内电流的方向产生磁场力，进而推动动子部件2在定子部件1上运动，线圈内通过电流越大的磁场力越强，动子部件2运动速度越快。
动子部件2带动工件运动，其上安装有用于监测动子部件2位置的传感部件4，以及将工件拾起、转移、移交的可拆卸式工件保持部件5。该工件保持部件5可将工件牢固的吸附在其表面，优选的吸附表面经等离子处理，通过增加摩擦防止工件在运动过程中飞出、移位，提高设备的稳定性。
控制器3分别与定子部件1、传感部件4相连接，一方面通过控制定子部件1中的电流方向产生磁场力推动动子部件2运动，另一方面通过传感部件4实时监测动子部件2的位置。
进一步的，定子部件1大致呈椭圆形，其具有接收传送工件的第一圆弧部14，释放传送工件的第二圆弧部15，以及设置在第一圆弧部与第二圆弧部之间的第一直线部16和第二直线部17。在定子部件1上开设有导向部18，动子部件2以滚动摩擦方式沿着导向部18自由滑动。
工作时，动子部件2以基本等于第一传送速度V1的拾起速度在拾起区域11运动，而后经变速区域13改变动子部件2的传送速度，接着到达移交区域12并以基本等于第二传送速度V2的移交速度将工件传送至后一级。其中拾起速度V1和移交速度V2互不相同。当移交速度V2大于拾起速度V1时，工件在移交区域12内的传送节距大于拾起区域11的传送节距；当移交速度V2小于拾起速度V1时，工件在移交区域12内的传送节距小于拾起区域11的传送节距。
本发明通过控制器控制定子部件内电流的方向产生磁场力，进而推动动子部件沿着一定的轨迹做变速运动，上述装置可以输送、定位和缓存工件。
实施例2
请参阅图3至4，一种用于卫生制品生产设备的变间距输送装置，用于将工件从前一级向后一级变速变向传送，其包括定子部件1，至少一个可相互独立运动的动子部件2，以及控制器。该控制器可参考图1进行理解，未在图3中示出。
其中，定子部件1由第一定子104和第二定子105组成。在第一定子104 和第二定子105之间设置有固定轴26。
第一定子104大致呈圆形，第一定子104上具有接收前一级以第一传送速度V1传送工件的拾起区域11，为了后一级以第二传送速度V2传送工件的移交区域12，以及设置在拾起区域11与移交区域12之间用于夹持被拾起工件的变速区域13。
第一定子104的结构与实施例1中描述的定子部件1的结构大致相同，在此不再多加赘述。在第二定子105的外周面上还开设有变向凸轮沟槽21。在第一定子104上开设有导向部18，动子部件2以滚动摩擦方式沿着第一定子104的导向部18自由滑动。
动子部件2包括凸轮导向器27、传感部件4、可转动工件保持部件5、曲柄20、连杆22、滑块23、线轨24和支座25。凸轮导向器27安置在变向凸轮沟槽21内，且与支座25相固定，传感部件4用于监测动子部件2的位置，曲柄20与工件保持部件5的转动轴相连接带动工件保持部件沿着传送面的法线周期性转动，连杆22的一端连接曲柄20另一端连接滑块23，所述滑块23可沿线轨24作直线往复运动，支座25与滑块23相固定。
当然实现本发明变向机构的结构不限于此，还可以采用诸如中国专利申请号为00803255.6所公开的结构来实现。
工作时，动子部件2以基本等于第一传送速度V1的拾起速度在拾起区域11运动，而后经变速区域13改变动子部件2的传送速度，接着到达移交区域12并以基本等于第二传送速度V2的移交速度将工件传送至后一级。当动子部件2带动工件在磁场力作用下变速运动的同时，可根据凸轮导向器27在变向凸轮沟槽21上的位置使得工件保持部件5呈周期性转动。
控制器与第一定子104、传感部件4相连接，一方面通过控制第一定子104中的电流方向产生磁场力推动动子部件2运动，另一方面通过传感部件4实时监测动子部件2的位置。
本发明通过第一定子驱动动子部件沿着一定的轨迹做变速运动，与此同时带动动子部件的凸轮导向器沿第二定子的变向凸轮沟槽相对移动，从而实现 工件的变速、变向运动。
实施例3
请参阅图5，一种用于卫生制品生产设备的变间距输送装置，用于将从前一级101传送带输送而来的连续材料103切断后进行变速传送，包括一定子部件1，多个可相互独立运动的动子部件2，多个可绕定子部件1运动的砧座6，与砧座6相配合的切刀辊7，和控制器3。
其中，定子部件1大致呈圆形，其上具有用以切断连续材料103的材料切断区域19，接收切断后材料的拾起区域11，向后一级传送切断后材料的移交区域12，以及设置在拾起区域11与移交区域12之间的变速区域13。定子部件1内设置有与控制器3相连接的线圈，通过控制器3改变线圈内电流的方向产生磁场力，进而推动动子部件2在定子部件1上运动，线圈内通过电流越大，磁场力越强，动子部件2运动速度越快。在定子部件1上开设有导向部，动子部件2以滚动摩擦方式沿着定子部件1的导向部自由滑动。
动子部件2带动材料运动，其上安装有用于监测动子部件2位置的传感部件4，该传感部件4用于将动子部件2的运动位置实时的反馈至控制器3中。动子部件2上安装有用于将材料保持、变速、移交的可拆卸的工件保持部件5，该工件保持部件5可采用负压吸附或静电吸附等方式。
砧座6能够与切刀辊7相接触，并且与动子部件2不相干涉。砧座6的数量与动子部件2数量相同。切刀辊7上至少具有一把切刀，通过切刀辊7的转动将连续材料切断。
控制器3分别与定子部件1、传感部件4相连接，一方面通过控制定子部件1中的电流方向产生磁场力推动动子部件2运动，另一方面通过传感部件4实时监测动子部件2的位置。
上述拾起区域11可设置在材料切断区域19的上游侧或下游侧。
图5示意了拾起区域11位于材料切断区域19下游侧的情形，此时连续材料103以第一传送速度V1的速度首先到达材料切断区域，在切刀辊7和砧座 6的配合下被切断，接着切断后的离散材料在拾起区域11内被动子部件保持在其表面，动子部件2以基本等于第一传送速度V1的拾起速度V在拾起区域运动，经变速区域改变动子部件2的传送速度，接着到达移交区域12并以基本等于后一级的第二传送速度V2的移交速度将离散材料转移至后一级。其中，V1＝V，V﹤V2。
当拾起区域11设置在材料切断区域19的上游侧时，连续材料103首先经拾起区域11保持在动子部件的表面，接着经材料切断区域19被切断，再由变速区域13向移交区域12运动，该情况下的工作原理与上述相同。
本发明集切断、变速为一体，在切刀辊和砧座的配合下将连续材料切断成若干个离散材料，再由控制器控制定子部件内电流的方向产生磁场力推动动子部件沿着一定的轨迹做变速运动，可以实现切断、输送、定位和缓存工件。
实施例4
请参阅图6，一种用于卫生制品生产设备的变间距输送装置，用于将从前一级101传送带输送而来的连续材料103切断、变速、转向传送，包括一定子部件1，多个可相互独立运动的动子部件2，多个可绕定子部件1运动的砧座6，与砧座6相配合的切刀辊7，和控制器3。
其中，定子部件1大致呈圆形，其上具有用以切断连续材料103的材料切断区域19，接收切断后材料的拾起区域11，向后一级传送切断后材料的移交区域12，以及设置在拾起区域11与移交区域12之间的变速转向区域28。
定子部件1内设置有与控制器3相连接的线圈，通过控制器3改变线圈内电流的方向产生磁场力，进而推动动子部件2在第一定子1上运动，线圈内通过电流越大，磁场力越强，动子部件2运动速度越快。在定子部件1上开设有导向部，动子部件2以滚动摩擦方式沿着定子部件1的导向部自由滑动。
动子部件2带动材料运动，其包括用于监测动子部件2位置的传感部件4，以及用于将材料保持、变速、移交的可拆卸的工件保持部件5。该工件保持部件5可采用负压吸附或静电吸附等方式，传感部件4用于将动子部件2的运 动位置实时的反馈至控制器3中。上述传送装置还包括在传动面内转动动子部件2的工件保持部件5使得切断后材料方向发生改变的变向部件，该变向部件通过旋转轴8与工件保持部件5相连接。
变向部件的结构可采用带有凹槽的圆柱凸轮与摆臂相互配合的方式，又或者采用直动从动件圆柱凸轮串联曲柄滑块机构来实现，当然变向机构的具体结构形式不限于上述两种方式，还可以采用诸如中国专利申请号为00803255.6、201320802941.8所公开的结构来实现，在此不再赘述。
砧座6能够与切刀辊7相接触，并且与动子部件2不相干涉。砧座6的旋转中心与动子部件2的旋转中心偏心设置。具体的，各动子部件2围绕第一旋转中心9转动，各砧座6围绕第二旋转中心10转动，第二旋转中心10设置在第一旋转中心9更靠近切刀辊7的一侧，如此设置可以更好的防止砧座与动子部件上的工件保持部件发生干涉。砧座6的数量与动子部件2数量相同。
切刀辊7上至少具有一把切刀，通过切刀辊7的转动将连续材料103切断。
控制器3分别与定子部件1、传感部件4相连接，一方面通过控制定子部件1中的电流方向产生磁场力推动动子部件2运动，另一方面通过传感部件4实时监测动子部件2的位置。
工作时，连续材料以第一传送速度V1的速度首先到达材料切断区域19，在切刀辊和砧座的配合下被切断，接着动子部件以基本等于第一传送速度V1的接收速度V在拾起区域11运动并将切断后的离散材料保持在其表面，经变速转向区域28改变动子部件的传送速度，接着到达移交区域并以基本等于后一级的第二传送速度V2的移交速度将离散材料转移至后一级。在变速期间动子部件的工件保持部件在变向部件的带动下与材料一起呈周期性转动。其中，V1＝V，V﹤V2。
本发明集切断、变速、转向为一体，在切刀辊和砧座的配合下将连续材料切断成若干个离散材料，再由控制器控制定子部件内电流的方向产生磁场力推动动子部件沿着一定的轨迹做变速运动，与此同时动子部件的衬垫在变向 部件的带动下在变速运动的同时带动材料转动。
以上所述及图中所示的仅是本发明的优选实施方式，但本发明的保护范围不限于此，任何熟悉本技术领域的普通技术人员来说，在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (15)

  1. 一种用于卫生制品生产设备的变间距输送装置，用于将工件从前一级向后一级传送，其特征在于：包括一定子部件(1)，至少一个可相互独立运动的动子部件(2)，和控制器(3)；
    其中，所述定子部件(1)上具有接收被前一级(101)以第一传送速度(V1)传送工件的拾起区域(11)，为了后一级(102)以第二传送速度(V2)传送工件的移交区域(12)，以及设置在拾起区域(11)与移交区域(12)之间用于夹持被拾起工件的变速区域(13)，定子部件(1)通过磁场力推动动子部件(2)运动；
    所述动子部件(2)带动工件运动，其上安装有用于监测动子部件(2)位置的传感部件(4)；工作时，动子部件(2)以基本等于第一传送速度(V1)的拾起速度在拾起区域(11)运动，而后经变速区域(13)改变动子部件(2)的传送速度，接着到达移交区域(12)并以基本等于第二传送速度(V2)的移交速度将工件传送至后一级(102)；
    所述控制器(3)分别与定子部件(1)、传感部件(4)相连接。
  2. 如权利要求1所述用于卫生制品生产设备的变间距输送装置，其特征在于：所述定子部件(1)内设置有与控制器(3)相连接的线圈，通过控制器(3)改变线圈内电流的方向产生磁场力，进而推动动子部件(2)在定子部件(1)上运动，线圈内通过电流越大的磁场力越强，动子部件(2)运动速度越快。
  3. 如权利要求1所述用于卫生制品生产设备的变间距输送装置，其特征在于：所述定子部件(1)上开设有导向部(18)，动子部件(2)以滚动摩擦方式沿着定子部件(1)的导向部(18)自由滑动。
  4. 如权利要求1所述用于卫生制品生产设备的变间距输送装置，其特征在于：所述动子部件(2)上安装有将工件拾起、变速、移交的可拆卸式工件保持部件(5)。
  5. 一种用于卫生制品生产设备的变间距输送装置，用于将工件从前一级向后一级传送，其特征在于：包括定子部件(1)，至少一个可相互独立运动 的动子部件(2)，以及控制器；
    其中，所述定子部件(1)由第一定子(104)和第二定子(105)组成，在第一定子(104)上具有接收前一级以第一传送速度(V1)传送工件的拾起区域(11)，为了后一级以第二传送速度(V2)传送工件的移交区域(12)，以及设置在拾起区域(11)与移交区域(12)之间用于夹持被拾起工件的变速区域(13)，第一定子(104)通过磁场力推动动子部件(2)运动，在第二定子(105)的外周面上还开设有变向凸轮沟槽(21)；
    所述动子部件(2)具有设置在变向凸轮沟槽(21)的凸轮导向器(27)，以及用于监测动子部件(2)位置的传感部件(4)；当动子部件(2)带动工件在磁场力作用下变速运动的同时，可根据凸轮导向器(27)在变向凸轮沟槽(21)上的位置呈周期性转动；
    所述控制器与第一定子(104)、传感部件(4)相连接。
  6. 如权利要求5所述用于卫生制品生产设备的变间距输送装置，其特征在于：所述动子部件(2)包括可转动工件保持部件(5)、曲柄(20)、连杆(22)、滑块(23)、线轨(24)和支座(25)，其中曲柄(20)与工件保持部件(5)的转动轴相连接，连杆(22)的一端连接曲柄(20)另一端连接滑块(23)，所述滑块(23)可沿线轨(24)作直线往复运动，凸轮导向器(27)通过支座(25)与连杆(22)或滑块(23)相连。
  7. 如权利要求5所述用于卫生制品生产设备的变间距输送装置，其特征在于：所述第一定子(104)上开设有导向部(18)，动子部件(2)以滚动摩擦方式沿着第一定子(104)的导向部(18)自由滑动。
  8. 如权利要求5至7任一项所述用于卫生制品生产设备的变间距输送装置，其特征在于：所述第一定子(104)与第二定子(105)之间设有固定轴(26)。
  9. 如权利要求6所述用于卫生用品设备上的传送装置，其特征在于：所述支座(25)与滑块(23)是一体成型的。
  10. 一种用于卫生制品生产设备的变间距输送装置，用于将连续材料 (103)切断后变速传送，包括切刀辊(7)，其特征在于：还包括一定子部件(1)，至少一个可相互独立运动的动子部件(2)，至少一个可绕定子部件(1)运动的砧座(6)，和控制器(3)；
    所述定子部件(1)上具有用于接收材料的拾起区域(11)，用以切断连续材料(103)的材料切断区域(19)，实现切断后材料的变速区域(13)，以及向后一级传送切断后材料的移交区域(12)，定子部件(1)通过磁场力推动动子部件(2)运动；
    所述动子部件(2)带动材料运动，其上安装有用于监测动子部件(2)位置的传感部件(4)；
    所述砧座(6)能够与切刀辊(7)相接触，并且与动子部件(2)不相干涉；
    所述控制器(3)与定子部件(1)和传感部件(4)相连接。
  11. 一种用于卫生制品生产设备的变间距输送装置，用于将连续材料(103)切断、变速、转向传送，包括切刀辊(7)，其特征在于：还包括一定子部件(1)，至少一个可相互独立运动的动子部件(2)，至少一个可绕定子部件(1)运动的砧座(6)，和控制器(3)；
    所述定子部件(1)上具有用于接收材料的拾起区域(11)，用以切断连续材料(103)的材料切断区域(19)，实现切断后材料的变速转向区域(28)，以及向后一级传送切断后材料的移交区域(12)，定子部件(1)通过磁场力推动动子部件(2)运动；
    所述动子部件(2)带动材料运动，其包括用于监测动子部件(2)位置的传感部件(4)，以及用于将材料保持、变速、移交的工件保持部件(5)；所述传送装置还包括在传动面内转动工件保持部件(5)使得切断后材料方向发生转变的变向部件；
    所述砧座(6)能够与切刀辊(7)相接触，并且与动子部件(2)不相干涉；
    所述控制器(3)与定子部件(1)和传感部件(4)相连接。
  12. 如权利要求10或11所述用于卫生制品生产设备的变间距输送装置，其特征在于：所述拾起区域(11)设置在所述材料切断区域(19)的上游侧或下游侧。
  13. 如权利要求10或11所述用于卫生制品生产设备的变间距输送装置，其特征在于：所述定子部件(1)上开设有导向部，动子部件(2)以滚动摩擦方式沿着定子部件(1)的导向部自由滑动。
  14. 如权利要求10所述用于卫生制品生产设备的变间距输送装置，其特征在于：所述动子部件(2)上安装有用于将材料保持、变速、移交的可拆卸的工件保持部件(5)。
  15. 如权利要求11所述用于卫生制品生产设备的变间距输送装置，其特征在于：所述砧座(6)的旋转中心与动子部件(2)的旋转中心偏心设置。
PCT/CN2017/088556 2016-06-17 2017-06-16 一种用于卫生制品生产设备的变间距输送装置 WO2017215643A1 (zh)

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