WO2022252254A1 - 一种大内齿轮的插齿加工装置 - Google Patents

一种大内齿轮的插齿加工装置 Download PDF

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Publication number
WO2022252254A1
WO2022252254A1 PCT/CN2021/098885 CN2021098885W WO2022252254A1 WO 2022252254 A1 WO2022252254 A1 WO 2022252254A1 CN 2021098885 W CN2021098885 W CN 2021098885W WO 2022252254 A1 WO2022252254 A1 WO 2022252254A1
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Prior art keywords
large internal
expansion sleeve
shaping device
gear
base
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PCT/CN2021/098885
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English (en)
French (fr)
Inventor
毛玲俊
何本益
潘超波
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温岭市明华齿轮有限公司
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Publication of WO2022252254A1 publication Critical patent/WO2022252254A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/02—Loading, unloading or chucking arrangements for workpieces
    • B23F23/06—Chucking arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
    • B23F5/12—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting

Definitions

  • the invention belongs to the technical field of mechanical processing, and relates to a gear shaping device for a large internal gear.
  • the invention provides a gear shaping device for large internal gears, which saves the time for correcting products and improves work efficiency.
  • a gear shaping device for a large internal gear comprising a coaxial annular inner core, an expansion sleeve, a cone outer cover and a base, the annular inner core and the cone outer cover are arranged on the base, and the expansion sleeve is located in the ring Between the core and the cone casing, the inside of the upper end of the cone casing is provided with a tapered surface that matches the outside of the expansion sleeve.
  • the large internal gear is placed on the annular inner core and the outer circle is tightly held by the expansion sleeve.
  • the expansion sleeve is driven by the pull rod to move up and down to hold or loosen the large internal gear.
  • the cone casing and the base are integrally structured.
  • the outer sliding sleeve of the annular inner core is provided with an expansion sleeve pull ring, and the expansion sleeve pull rings are respectively connected with the expansion sleeve and the pull rod, and the pull rod passes through the expansion sleeve.
  • the pull ring pulls the riser to move up and down.
  • the pull rod is connected to a driving device, and the driving device is selected from an oil cylinder or an air cylinder.
  • the pull rod is fixedly connected with a circular pull plate, and the pull rod and the pull plate are slidably arranged in the base, and the pull plate passes through the vertically arranged slide rod. Tightly connect with the pull ring of the expansion sleeve.
  • a circular through hole is provided at the center of the pull plate, the pull rod is passed through the circular through hole, and the upper end of the pull rod is provided with a radial A limiting plate whose size is larger than the circular through hole, and the limiting plate is fixedly connected with the pull plate through fastening bolts.
  • the pull rod and the pull plate are arranged coaxially with the base, the base is provided with a bush, and the slide rod is slidably arranged in the bush.
  • the lower end of the expansion sleeve is integrally formed with a support ring, and the support ring is fixedly connected in the axial direction and slidingly connected in the radial direction with the pull ring of the expansion sleeve.
  • the upper end of the annular inner core is provided with a notch structure that cooperates with the large internal gear.
  • a lower dust cover is provided above the base to close the inner cavity of the gear shaping device, and an annular upper dust cover is fixed on the upper end of the cone outer casing.
  • the upper dust-proof cover is matched with the large internal gear in clearance, and there is a space for the expansion sleeve to move up and down between the upper dust-proof cover and the expansion sleeve.
  • a plurality of chip discharge openings are correspondingly arranged on the side walls of the annular inner core and the cone outer casing.
  • an installation groove is provided on the outer peripheral wall of the base, and axial bolt holes are arranged in the installation groove, and the base is connected with the bolts in the bolt holes.
  • the machine tool is firmly connected.
  • the present invention has the following beneficial effects:
  • the present invention improves the jig structure for gear shaping processing of large internal gears, and replaces the traditional chuck claw structure by adopting the method of holding the outer circumference tightly.
  • this jig for gear shaping processing all teeth can be processed at one time. , so as to avoid repeated correction and clamping, improve product processing efficiency, reduce product processing difficulty, and also greatly improve product quality and reduce product scrap rate.
  • Fig. 1 is a perspective view of the present invention
  • Fig. 2 is a sectional view of the present invention
  • a gear shaping device for a large internal gear comprising a coaxial annular inner core 1, an expansion sleeve 2, a cone outer jacket 3 and a base 4, the annular inner core 1 and the cone outer jacket 3 are arranged on the base 4,
  • the expansion sleeve 2 is located between the annular inner core 1 and the cone outer cover 3, the inner side of the upper end of the cone sleeve 3 is provided with a tapered surface matching the outside of the expansion sleeve 2, and the large internal gear 5 is placed on the ring
  • the outer circle is tightly held by the expansion sleeve 2.
  • the expansion sleeve 2 is driven to move up and down by the pull rod 6 to hold or loosen the large internal gear 5.
  • the pull rod 6 is connected with the driving device, and the drive device is selected From oil cylinder or air cylinder.
  • the cone casing 3 and the base 4 are integrally structured.
  • the outer sliding sleeve of the above-mentioned annular inner core 1 is provided with an expansion sleeve pull ring 7, and the expansion sleeve pull ring 7 is connected with the expansion sleeve 2 and the pull rod 6 respectively, and the pull rod 6 pulls the expansion sleeve 2 to move up and down through the expansion sleeve pull ring 7.
  • expansion sleeve pull ring 7 is connected with the expansion sleeve 2 through the support ring 11: the lower end of the expansion sleeve 2 is integrally formed with a support ring 11, and the support ring 11 is fixedly connected with the expansion sleeve pull ring 7 axially, radially Swipe to connect.
  • the pull rod 6 is connected with the pull ring 7 through the pull plate 8 and the sliding rod 9: the pull rod 6 is fixedly connected with a circular pull plate 8, and the pull rod 6 and the pull plate 8 are slidably arranged in the base 4, The pull plate 8 is firmly connected with the pull ring 7 of the expansion sleeve through a vertically arranged slide bar 9 .
  • connection structure between the pull rod 6 and the pull plate 8 is: the center of the pull plate 8 is provided with a circular through hole, the pull rod 6 is penetrated in the circular through hole, and the upper end of the pull rod 6 is provided with a radial A limiting plate whose size is larger than the circular through hole, said limiting plate is fixedly connected with the pull plate 8 by fastening bolts.
  • the pull bar 6 and the pull plate 8 are arranged coaxially with the base 4, the base 4 is provided with a bushing 10, and the slide bar 9 is slidably arranged on the bush 10 Inside.
  • the upper end of the above-mentioned annular inner core 1 is provided with a spigot structure that cooperates with the large internal gear 5 , and the spigot structure provides better positioning for the large internal gear 5 .
  • the base 4 is provided with a lower dust cover 12 for sealing the inner cavity of the gear shaping processing device, and an annular upper dust cover 13 is fixed on the upper end of the cone outer cover 3, and the upper dust cover 13 is connected with the large internal gear 5 Clearance fit, leave the space that expands cover 2 to move up and down between upper dust cover 13 and expand cover 2.
  • the lower dust cover 12 and the upper dust cover 13 work together to prevent dust and sundries from falling into the inner cavity of the device.
  • the sidewalls of the annular inner core 1 and the cone outer 3 are provided with a plurality of chip outlets 14 correspondingly, and the chip outlets 14 discharge waste chips generated during processing to avoid accumulation of waste materials in the fixture.
  • An installation groove 15 is provided on the outer peripheral wall of the above-mentioned base 4, and an axial bolt hole is arranged in the installation groove 15, and the base 4 is fastened to the machine tool through the bolts in the bolt hole.
  • the working process of the present invention is: the large internal gear 5 to be processed is placed above the annular inner core 1, the power device drives the pull rod 6 to move downward, and the pull rod 6 passes through the pull plate 8, the expansion sleeve pull ring 7, and the support ring 11 in turn. Pull the expansion sleeve 2 to move downward. When the expansion sleeve 2 moves downward along the tapered surface, it shrinks inwards, so as to hold the large internal gear 5 tightly; after the large internal gear 5 is clamped, the gear shaping process is performed, and all the teeth are processed at one time. After processing, the power unit drives the pull rod 6 to move upwards, drives the expansion sleeve 2 to loosen the large internal gear 5, and finally removes the processed large internal gear 5.

Abstract

一种大内齿轮的插齿加工装置，包括同轴设置的环形内芯(1)、涨套(2)、锥体外套(3)和底座(4)，所述环形内芯(1)和锥体外套(3)设置在底座(4)上，所述涨套(2)位于环形内芯(1)和锥体外套(3)之间，所述锥体外套(3)的上端内侧设置有和涨套(2)的外侧相配合的锥面，所述大内齿轮(5)放置在环形内芯(1)上并由涨套(2)抱紧外圆，所述涨套(2)由拉杆(6)驱动上下移动以抱紧或松开大内齿轮(5)。该大内齿轮的插齿加工装置，节省了校正产品的时间，提高了工作效率。

Description

一种大内齿轮的插齿加工装置 技术领域
本发明属于机械加工领域的技术领域，涉及一种大内齿轮的插齿加工装置。
背景技术
工程机械上有一种大内齿轮类零件，这样的齿轮在插齿加工时无法一次性加工完成所有齿，需要多次校正加工，导致加工效率非常低，校正时间长，加工难度大。另外这类零件只有熟练工人才能完成加工，不仅生产效率低，而且产品质量不高，报废件数非常多。尤其是当产品直径超过350mm时，传统的死工装已经无法满足生产需要，所以在实际生产中迫切需要一种能解决上述问题的装置。
发明内容
本发明针对现有技术的不足，提供了一种大内齿轮的插齿加工装置，节省了校正产品的时间，提高了工作效率。
为解决上述技术问题，本发明的目的通过下述技术方案得以实现：
一种大内齿轮的插齿加工装置，包括同轴设置的环形内芯、涨套、锥体外套和底座，所述环形内芯和锥体外套设置在底座上，所述涨套位于环形内芯和锥体外套之间，所述锥体外套的上端内侧设置有和涨套的外侧相配合的锥面，所述大内齿轮放置在环形内芯上并由涨套抱紧外圆，所述涨套由拉杆驱动上下移动以抱紧或松开大内齿轮。
在上述的一种大内齿轮的插齿加工装置中，优选的，所述锥体外套与底座为一体式结构。
在上述的一种大内齿轮的插齿加工装置中，所述环形内芯外滑动套设有涨套拉圈，所述涨套拉圈分别与涨套和拉杆连接，所述拉杆通过涨套拉圈拉动涨套上下移动。
在上述的一种大内齿轮的插齿加工装置中，所述拉杆与驱动装置连接，所述驱动装置选自油缸或气缸。
在上述的一种大内齿轮的插齿加工装置中，所述拉杆固定连接有圆形的拉板，所述拉杆与拉板滑设在底座内，所述拉板通过竖直设置的滑杆与涨套拉圈紧固连接。
在上述的一种大内齿轮的插齿加工装置中，所述拉板的圆心处设置有圆形通孔，所述拉杆穿设在圆形通孔中，所述拉杆的上端设置有径向尺寸大于圆形通孔的限位板，所述限位板与拉板通过紧固螺栓固定连接。
在上述的一种大内齿轮的插齿加工装置中，所述拉杆、拉板与底座同轴设置，所述底座上设置有衬套，所述滑杆滑设在衬套内。
在上述的一种大内齿轮的插齿加工装置中，所述涨套的下端一体成型有支撑圈，所述支撑圈与涨套拉圈轴向固定连接、径向滑动连接。
在上述的一种大内齿轮的插齿加工装置中，所述环形内芯的上端设置有与大内齿轮配合的止口结构。
在上述的一种大内齿轮的插齿加工装置中，所述底座上方设置有封闭插齿加工装置内腔的下防尘盖，所述锥体外套的上端固定有环形的上防尘盖，所述上防尘盖与大内齿轮间隙配合，上防尘盖与涨套之间留有涨套上下移动的空隙。
在上述的一种大内齿轮的插齿加工装置中，所述环形内芯和锥体外套的 侧壁上对应设置有若干排屑口。
在上述的一种大内齿轮的插齿加工装置中，所述底座的外周壁上设置有安装凹槽，安装凹槽内设置有轴向的螺栓孔，所述底座通过螺栓孔内的螺栓与机床紧固连接。
本发明和现有技术相比，具有如下有益效果：
本发明改进了大内齿轮插齿加工的夹具结构，采用外圆周抱紧的方式替代了传统的卡盘卡爪结构，使用这种夹具进行插齿加工时，可以一次性的将所有齿加工完毕，从而避免了反复校正装夹，提高了产品加工效率，降低了产品加工难度，同时还大大提高了产品质量，降低了产品报废率。
附图说明
图1是本发明的立体图；
图2是本发明的剖视图；
附图标记：1、环形内芯；2、涨套；3、锥体外套；4、底座；5、大内齿轮；6、拉杆；7、涨套拉圈；8、拉板；9、滑杆；10、衬套；11、支撑圈；12、下防尘盖；13、上防尘盖；14、排屑口；15、安装凹槽。
具体实施方式
下面结合附图以具体实施例对本发明作进一步描述，参见图1-2：
一种大内齿轮的插齿加工装置，包括同轴设置的环形内芯1、涨套2、锥体外套3和底座4，所述环形内芯1和锥体外套3设置在底座4上，所述涨套2位于环形内芯1和锥体外套3之间，所述锥体外套3的上端内侧设置有和涨套2的外侧相配合的锥面，所述大内齿轮5放置在环形内芯1上并由涨套2抱紧外圆，所述涨套2由拉杆6驱动上下移动以抱紧或松开大内齿轮5，所述 拉杆6与驱动装置连接，所述驱动装置选自油缸或气缸。
优选的，所述锥体外套3与底座4为一体式结构。
对照附图2，拉杆6驱动涨套2上下运动的具体结构是：
上述环形内芯1外滑动套设有涨套拉圈7，所述涨套拉圈7分别与涨套2和拉杆6连接，所述拉杆6通过涨套拉圈7拉动涨套2上下移动。
进一步的，涨套拉圈7通过支撑圈11与涨套2连接：所述涨套2的下端一体成型有支撑圈11，所述支撑圈11与涨套拉圈7轴向固定连接、径向滑动连接。
进一步的，拉杆6通过拉板8和滑杆9与涨套拉圈7连接：所述拉杆6固定连接有圆形的拉板8，所述拉杆6与拉板8滑设在底座4内，所述拉板8通过竖直设置的滑杆9与涨套拉圈7紧固连接。
上述拉杆6与拉板8的连接结构是：所述拉板8的圆心处设置有圆形通孔，所述拉杆6穿设在圆形通孔中，所述拉杆6的上端设置有径向尺寸大于圆形通孔的限位板，所述限位板与拉板8通过紧固螺栓固定连接。
为了使滑杆9更方便更稳定的上下移动，所述拉杆6、拉板8与底座4同轴设置，所述底座4上设置有衬套10，所述滑杆9滑设在衬套10内。
上述环形内芯1的上端设置有与大内齿轮5配合的止口结构，止口结构为大内齿轮5提供更好的定位。
上述底座4上方设置有封闭插齿加工装置内腔的下防尘盖12，所述锥体外套3的上端固定有环形的上防尘盖13，所述上防尘盖13与大内齿轮5间隙配合，上防尘盖13与涨套2之间留有涨套2上下移动的空隙。下防尘盖12和上防尘盖13共同作用，防止灰尘和杂物掉入装置内腔。
上述环形内芯1和锥体外套3的侧壁上对应设置有若干排屑口14，排屑口14将加工产生的废屑排出，避免了废料堆积在夹具内。
上述底座4的外周壁上设置有安装凹槽15，安装凹槽15内设置有轴向的螺栓孔，所述底座4通过螺栓孔内的螺栓与机床紧固连接。
本发明的工作过程是：将待加工的大内齿轮5放置在环形内芯1的上方，动力装置驱动拉杆6向下运动，拉杆6依次通过拉板8、涨套拉圈7、支撑圈11拉动涨套2向下运动，涨套2向下运动时沿着锥形面向内收缩，从而抱紧大内齿轮5；大内齿轮5夹紧后进行插齿加工，一次性加工完所有齿，加工完毕后，动力装置驱动拉杆6向上运动，带动涨套2松开大内齿轮5，最后取下加工好的大内齿轮5。
上述实施例仅为本发明的较佳实施例，并非依此限制本发明的保护范围，故：凡依本发明的结构、形状、原理所做的等效变化，均应涵盖于本发明的保护范围之内。

Claims (9)

  1. 一种大内齿轮的插齿加工装置，其特征在于，包括同轴设置的环形内芯(1)、涨套(2)、锥体外套(3)和底座(4)，所述环形内芯(1)和锥体外套(3)设置在底座(4)上，所述涨套(2)位于环形内芯(1)和锥体外套(3)之间，所述锥体外套(3)的上端内侧设置有和涨套(2)的外侧相配合的锥面，所述大内齿轮(5)放置在环形内芯(1)上并由涨套(2)抱紧外圆，所述涨套(2)由拉杆(6)驱动上下移动以抱紧或松开大内齿轮(5)。
  2. 根据权利要求1所述的一种大内齿轮的插齿加工装置，其特征在于，所述环形内芯(1)外滑动套设有涨套拉圈(7)，所述涨套拉圈(7)分别与涨套(2)和拉杆(6)连接。
  3. 根据权利要求2所述的一种大内齿轮的插齿加工装置，其特征在于，所述拉杆(6)固定连接有圆形的拉板(8)，所述拉杆(6)与拉板(8)滑设在底座(4)内，所述拉板(8)通过竖直设置的滑杆(9)与涨套拉圈(7)紧固连接。
  4. 根据权利要求3所述的一种大内齿轮的插齿加工装置，其特征在于，所述拉杆(6)、拉板(8)与底座(4)同轴设置，所述底座(4)上设置有衬套(10)，所述滑杆(9)滑设在衬套(10)内。
  5. 根据权利要求2所述的一种大内齿轮的插齿加工装置，其特征在于，所述涨套(2)的下端一体成型有支撑圈(11)，所述支撑圈(11)与涨套拉圈(7)轴向固定连接、径向滑动连接。
  6. 根据权利要求1所述的一种大内齿轮的插齿加工装置，其特征在于，所述环形内芯(1)的上端设置有与大内齿轮(5)配合的止口结构。
  7. 根据权利要求1所述的一种大内齿轮的插齿加工装置，其特征在于， 所述底座(4)上方设置有封闭插齿加工装置内腔的下防尘盖(12)，所述锥体外套(3)的上端固定有环形的上防尘盖(13)，所述上防尘盖(13)与大内齿轮(5)间隙配合，上防尘盖(13)与涨套(2)之间留有涨套(2)上下移动的空隙。
  8. 根据权利要求1所述的一种大内齿轮的插齿加工装置，其特征在于，所述环形内芯(1)和锥体外套(3)的侧壁上对应设置有若干排屑口(14)。
  9. 根据权利要求1所述的一种大内齿轮的插齿加工装置，其特征在于，所述底座(4)的外周壁上设置有安装凹槽(15)，安装凹槽(15)内设置有轴向的螺栓孔，所述底座(4)通过螺栓孔内的螺栓与机床紧固连接。
PCT/CN2021/098885 2021-05-29 2021-06-08 一种大内齿轮的插齿加工装置 WO2022252254A1 (zh)

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