CN112276754A - Finishing device for movable platen with wheel shaft of CVT gearbox - Google Patents

Finishing device for movable platen with wheel shaft of CVT gearbox Download PDF

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Publication number
CN112276754A
CN112276754A CN202011260466.7A CN202011260466A CN112276754A CN 112276754 A CN112276754 A CN 112276754A CN 202011260466 A CN202011260466 A CN 202011260466A CN 112276754 A CN112276754 A CN 112276754A
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workpiece
conveying mechanism
movable
movable platen
grinding mechanism
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CN112276754B (en
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邹根根
王嘉
束斐
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Wuxi Machine Tools Co Ltd
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Wuxi Machine Tools Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0092—Grinding attachments for lathes or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

本发明提供了CVT变速箱的带轮轴的活动压板的精加工装置，其能解决现有机加工设备对活动压板的齿槽、盖帽的外锥面和穿孔进行精加工的效率较低的技术问题。该精加工装置，包括工件输送机构、工件主轴、齿槽磨削机构、穿孔磨削机构和外锥面磨削机构，其特征在于：工件主轴安装于竖向输送机构的输出端，竖向输送机构安装于水平输送机构的输出端，工件主轴安装有夹装活动压板的柱体部位的夹具；齿槽磨削机构、穿孔磨削机构和外锥面磨削机构设置于水平输送机构下方并且沿水平输送机构的输送方向依次排布，当穿孔磨削机构对活动压板的内孔进行磨削加工时，外锥面磨削机构能够同步对活动压板的外锥面进行磨削加工。

Figure 202011260466

The invention provides a finishing device for a movable platen of a pulley shaft of a CVT gearbox, which can solve the technical problem of low efficiency in finishing the tooth groove of the movable platen, the outer conical surface of the cap and the perforation of the existing machining equipment. The finishing device includes a workpiece conveying mechanism, a workpiece spindle, a tooth groove grinding mechanism, a perforation grinding mechanism and an outer cone surface grinding mechanism, and is characterized in that: the workpiece spindle is installed at the output end of the vertical conveying mechanism, and the vertical conveying mechanism The mechanism is installed at the output end of the horizontal conveying mechanism, and the main shaft of the workpiece is installed with a clamp for clamping the cylindrical part of the movable platen; The conveying directions of the horizontal conveying mechanism are arranged in sequence. When the perforation grinding mechanism grinds the inner hole of the movable platen, the outer cone surface grinding mechanism can simultaneously grind the outer cone surface of the movable platen.

Figure 202011260466

Description

Finishing device for movable pressure plate with wheel shaft of CVT gearbox
Technical Field
The invention relates to the technical field of machining of parts of a CVT (continuously variable transmission), in particular to a finish machining device for a movable pressure plate with a wheel shaft of the CVT.
Background
A movable pressure plate with (input and output) wheel shafts of a CVT gearbox is shown in figures 1 and 2 and comprises a conical cover cap P1 and a cylinder P2 connected to the lower end of the cover cap P1, and the movable pressure plate is provided with a step-shaped through hole penetrating through the cover cap P1 and the cylinder P2 in the axial direction, wherein the through hole is positioned on the cylinder P2 and is formed with a tooth socket P21. After the movable pressing plate is formed or roughly processed, the tooth grooves P21, the outer conical surface P11 of the cap P1 and the through hole P12 need to be finely processed. In the traditional machining, the movable pressing plate is subjected to finish machining through three different devices, and as the movable pressing plate needs to be repeatedly clamped, the positioning precision cannot be ensured, the finish machining quality is poor, and the machining efficiency is low; although the existing manufacturers also adopt a multi-axis machining center for machining, the machining efficiency still needs to be further improved although the finish machining quality can be ensured.
Disclosure of Invention
The invention provides a finish machining device for a movable pressure plate with a wheel shaft of a CVT (continuously variable transmission), which can solve the technical problem of low efficiency of finish machining of tooth grooves of the movable pressure plate, outer conical surfaces of a cover cap and through holes of the movable pressure plate by using the conventional machining equipment.
Its technical scheme is such, CVT gearbox's band pulley axle's activity clamp plate's finish machining device, including work piece conveying mechanism, work piece main shaft, tooth's socket grinding mechanism, perforation grinding mechanism and outer conical surface grinding mechanism, its characterized in that:
the workpiece conveying mechanism comprises a conveying belt which performs rotary motion in a horizontal plane, the conveying belt is connected with a workpiece supporting base, and a movable pressing plate to be processed is supported on the workpiece supporting base in a vertical mode that a cover cap faces downwards;
the workpiece main shaft is arranged at the output end of the vertical conveying mechanism, the vertical conveying mechanism is arranged at the output end of the horizontal conveying mechanism, and the workpiece main shaft is provided with a clamp for clamping the cylinder part of the movable pressing plate;
the tooth socket grinding mechanism, the perforation grinding mechanism and the outer conical surface grinding mechanism are arranged below the horizontal conveying mechanism and are sequentially arranged along the conveying direction of the horizontal conveying mechanism, and when the perforation grinding mechanism carries out grinding machining on an inner hole of the movable pressing plate, the outer conical surface grinding mechanism can synchronously carry out grinding machining on the outer conical surface of the movable pressing plate.
Furthermore, the workpiece conveying mechanism is provided with a proximity switch and a limiting cylinder at a picking and placing station of the movable pressing plate, and a stop block is arranged at the end part of a movable cover of the limiting cylinder.
Furthermore, the workpiece supporting base is provided with a movable base plate and a fixed base plate, the periphery of the movable base plate is elastically connected with the fixed base plate through springs, the middle part of the movable base plate is in guide fit with the fixed base plate through a guide pillar, a U-shaped support is arranged below a picking and placing station of the movable pressing plate of the conveying mechanism, the U-shaped support is connected with a lifting cylinder and is in guide fit with a cylinder support, and the lifting cylinder is mounted on the cylinder support.
The finish machining device can continuously machine three parts of a workpiece by clamping the movable pressing plate at one time without repeated clamping, has high positioning precision, and the tooth socket grinding mechanism, the perforation grinding mechanism and the outer conical surface grinding mechanism are sequentially arranged along the conveying direction of the horizontal conveying mechanism, so that the inner hole and the outer conical surface of the movable pressing plate can be synchronously machined, and the machining efficiency of the device can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of a first perspective view of a movable platen of a pulley shaft of a CVT transmission.
Fig. 2 is a second perspective structural view of a movable platen of a pulley shaft of a CVT transmission.
FIG. 3 is a schematic structural view of the present invention, wherein the workpiece spindle is located above the conveyor belt.
FIG. 4 is a schematic view of the present invention wherein the workpiece spindle is positioned above the tooth slot grinding mechanism.
Fig. 5 is a schematic structural view of the present invention, in which the workpiece spindle is located above the piercing grinding mechanism.
Fig. 6 is a schematic structural view of the workpiece conveying mechanism of the present invention.
Fig. 7 is a partially enlarged schematic structural view of the work conveying mechanism of the present invention.
Detailed Description
As shown in fig. 3 to 7, the finish machining device for the movable pressing plate of the pulley shaft of the CVT transmission comprises a workpiece conveying mechanism 10, a workpiece spindle 20, a tooth space grinding mechanism 50, a perforation grinding mechanism 60 and an external conical surface grinding mechanism 70, wherein the workpiece conveying mechanism 10 comprises a conveying belt which performs rotary motion in a horizontal plane, the conveying belt is connected with a workpiece supporting base, and the movable pressing plate P to be machined is supported on the workpiece supporting base in a vertical mode that a cover cap faces downwards;
the workpiece spindle 20 is mounted at the output end of the vertical conveying mechanism 30, the vertical conveying mechanism 30 is mounted at the output end of the horizontal conveying mechanism 40, the workpiece spindle 20 is provided with a clamp for clamping a cylinder part of a movable pressing plate, specifically, the vertical conveying mechanism comprises a vertical sliding table 31, a vertical sliding rail 32 mounted on a horizontal sliding table 41, a vertical screw-nut pair and a vertical servo motor, the vertical sliding table 31 is guided by the vertical sliding rail 32, is driven by the vertical screw-nut pair and is driven by the vertical servo motor, the horizontal conveying mechanism comprises a horizontal sliding table 41, a horizontal sliding rail 42 mounted on a rack, a horizontal screw-nut pair 43 and a horizontal servo motor, and the horizontal sliding table 41 is guided by the horizontal sliding rail 42, is driven by the horizontal screw-nut pair;
the tooth groove grinding mechanism 50, the perforation grinding mechanism 60 and the outer conical surface grinding mechanism 70 are arranged below the horizontal conveying mechanism 40 and are sequentially arranged along the conveying direction of the horizontal conveying mechanism 40, the axis of a grinding wheel of the perforation grinding mechanism 60 is vertically arranged, the axis of the grinding wheel of the outer conical surface grinding mechanism 70 is obliquely arranged, the grinding end face of the grinding wheel is matched with the conical surface of the cover cap of the movable pressing plate, and through the control of the installation distance of the perforation grinding mechanism 60 and the outer conical surface grinding mechanism 70, when the perforation grinding mechanism 60 carries out grinding processing on the inner hole of the movable pressing plate, the outer conical surface grinding mechanism 70 can synchronously carry out grinding processing on the outer conical surface of the movable pressing plate.
A proximity switch 15 and a limiting cylinder 16 are arranged at a picking and placing station of the movable pressing plate of the workpiece conveying mechanism 10, a stop block is arranged at the end part of a movable cover of the limiting cylinder 16, when the workpiece supporting base reaches the picking and placing station, the proximity switch 15 senses the workpiece supporting base, a controller controls the conveying belt to stop running, and a piston rod of the limiting cylinder 16 extends out to fix the workpiece supporting base; specifically, the workpiece supporting base is provided with a fixed base plate 111 and a movable base plate 112, a positioning column matched with the movable pressing plate is arranged in the middle of the upper end face of the movable base plate 112, the lower end face of the movable base plate 112 is elastically connected with the fixed base plate 111 through a spring 113 and is matched with the fixed base plate through a guide column in a guiding mode, the conveying mechanism is located on the movable pressing plate, a U-shaped support 12 is arranged below a picking and placing station, conical positioning pins 121 matched with positioning blocks of the bottom wall of the fixed base plate are arranged at the tops of two side walls of the U-shaped support, the U-shaped support 12 is connected with a lifting cylinder 13 and. After the workpiece spindle reaches the pick-and-place station, the lifting cylinder drives the U-shaped support 12 to ascend, firstly, the U-shaped support 12 is matched with the fixing base plate 111 of the workpiece supporting base in a positioning mode, then, the U-shaped support, the workpiece supporting base and the workpiece further ascend until the column part of the workpiece extends into a clamp of the workpiece spindle and is clamped and fixed by the clamp. In the process, the workpiece is clamped by the clamp after being lifted, and the movable base plate is elastically connected with the fixed base plate through the spring and is in guide fit through the guide pillar, so that the impact between the workpiece and the clamp can be reduced, the quality of the workpiece is ensured, and the service life of the clamp is prolonged.

Claims (3)

1.CVT变速箱的带轮轴的活动压板的精加工装置，包括工件输送机构、工件主轴、齿槽磨削机构、穿孔磨削机构和外锥面磨削机构，其特征在于：1. the finishing device of the movable platen of the pulley shaft of the CVT gearbox, including the workpiece conveying mechanism, the workpiece spindle, the tooth groove grinding mechanism, the perforation grinding mechanism and the outer cone grinding mechanism, it is characterized in that: 所述工件输送机构包括于水平面内做回转运动的输送带，所述输送带连接工件支撑基座，待加工的活动压板以盖帽朝下的竖立方式支撑于工件支撑基座上；The workpiece conveying mechanism includes a conveyor belt that rotates in a horizontal plane, the conveyor belt is connected to the workpiece support base, and the movable platen to be processed is supported on the workpiece support base in an upright manner with the cap facing down; 所述工件主轴安装于竖向输送机构的输出端，所述竖向输送机构安装于水平输送机构的输出端，所述工件主轴安装有夹装活动压板的柱体部位的夹具；The workpiece spindle is installed at the output end of the vertical conveying mechanism, the vertical conveying mechanism is installed at the output end of the horizontal conveying mechanism, and the workpiece spindle is installed with a clamp for clamping the cylindrical portion of the movable platen; 所述齿槽磨削机构、所述穿孔磨削机构和所述外锥面磨削机构设置于所述水平输送机构下方并且沿水平输送机构的输送方向依次排布，当所述穿孔磨削机构对活动压板的内孔进行磨削加工时，所述外锥面磨削机构能够同步对活动压板的外锥面进行磨削加工。The tooth groove grinding mechanism, the perforation grinding mechanism and the outer cone grinding mechanism are arranged below the horizontal conveying mechanism and are sequentially arranged along the conveying direction of the horizontal conveying mechanism. When grinding the inner hole of the movable pressure plate, the outer cone surface grinding mechanism can simultaneously grind the outer cone surface of the movable pressure plate. 2.根据权利要求1所述的CVT变速箱的带轮轴的活动压板的精加工装置，其特征在于：所述工件输送机构位于活动压板的取放工位设有接近开关和限位气缸，所述限位气缸的活动盖端部设有挡块。2. The finishing device of the movable platen of the pulley shaft of the CVT gearbox according to claim 1, is characterized in that: the workpiece conveying mechanism is provided with a proximity switch and a limit cylinder at the pick-and-place station of the movable platen, and the The end of the movable cover of the limit cylinder is provided with a stopper. 3.根据权利要求1所述的CVT变速箱的带轮轴的活动压板的精加工装置，其特征在于：所述工件支撑基座设有活动基板和固定基板，所述活动基板的四周通过弹簧与所述固定基板弹性连接，所述活动基板的中间部分通过导柱与所述固定基板导向配合，所述所述输送机构位于活动压板的取放工位下方设有U形支架，所述U形支架连接提升气缸并与气缸支座导向配合，所述提升气缸安装于气缸支座。3. The finishing device of the movable platen of the belt wheel shaft of the CVT gearbox according to claim 1, is characterized in that: the workpiece support base is provided with a movable base plate and a fixed base plate, and the surrounding of the movable base plate is connected with a spring by a spring. The fixed base plate is elastically connected, and the middle part of the movable base plate is guided and matched with the fixed base plate through a guide column. The lifting cylinder is connected and guided and matched with the cylinder support, and the lifting cylinder is installed on the cylinder support.
CN202011260466.7A 2020-11-12 2020-11-12 Finishing device for movable pressure plate with pulley shaft of CVT gearbox Active CN112276754B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06246627A (en) * 1993-02-18 1994-09-06 Sanraizu Giken:Kk Grinding treatment device
CN108296937A (en) * 2018-03-26 2018-07-20 东莞理工学院 A Pneumatic Grinding Machine That Conveniently Adjusts Grinding Angle
CN108581771A (en) * 2018-05-11 2018-09-28 芜湖明智自动化科技有限公司 A kind of automatic grinding machine of automobile shift fork
CN109732446A (en) * 2019-03-14 2019-05-10 深圳宏友金钻石工具有限公司 A kind of PCB drill point milling apparatus and grinding method
CN110549176A (en) * 2019-10-09 2019-12-10 浙江立群汽车配件制造有限公司 dedicated centerless cylindrical grinder of cross axle
CN213998959U (en) * 2020-11-12 2021-08-20 无锡机床股份有限公司 A finishing device for a movable platen with a wheel shaft of a CVT gearbox

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06246627A (en) * 1993-02-18 1994-09-06 Sanraizu Giken:Kk Grinding treatment device
CN108296937A (en) * 2018-03-26 2018-07-20 东莞理工学院 A Pneumatic Grinding Machine That Conveniently Adjusts Grinding Angle
CN108581771A (en) * 2018-05-11 2018-09-28 芜湖明智自动化科技有限公司 A kind of automatic grinding machine of automobile shift fork
CN109732446A (en) * 2019-03-14 2019-05-10 深圳宏友金钻石工具有限公司 A kind of PCB drill point milling apparatus and grinding method
CN110549176A (en) * 2019-10-09 2019-12-10 浙江立群汽车配件制造有限公司 dedicated centerless cylindrical grinder of cross axle
CN213998959U (en) * 2020-11-12 2021-08-20 无锡机床股份有限公司 A finishing device for a movable platen with a wheel shaft of a CVT gearbox

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