TW202007460A - Processing device structure for forming internal threads of ball screw can extend the length of the thread lead processing while the grinding part cuts the inner hole - Google Patents

Processing device structure for forming internal threads of ball screw can extend the length of the thread lead processing while the grinding part cuts the inner hole Download PDF

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TW202007460A
TW202007460A TW107125882A TW107125882A TW202007460A TW 202007460 A TW202007460 A TW 202007460A TW 107125882 A TW107125882 A TW 107125882A TW 107125882 A TW107125882 A TW 107125882A TW 202007460 A TW202007460 A TW 202007460A
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Taiwan
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transmission shaft
ball screw
shaft
driving device
tool holding
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TW107125882A
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Chinese (zh)
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林晉安
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晟鈦科技股份有限公司
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Publication of TW202007460A publication Critical patent/TW202007460A/en

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Abstract

The present invention relates to a processing device structure for forming the internal threads of a ball screw. The processing device has a driving device and a tool holding device that can be assembled and disassembled. The tool holding device includes a first part and a second part extending from the first part. An inclined transmission shaft seat is provided at the second part, and one end of the inclined transmission shaft seat is provided with a grinding part. The present invention is mainly characterized in that the inclined transmission shaft seat is inclined at an angle with the straight axis extending from the second part of the tool holding part; and a flexible shaft is provided among the driving device, the tool holding device, and the inclined transmission shaft seat, so that the flexible shaft is connected to the driving device to synchronously drive the inclined transmission shaft seat, and synchronously rotate the grinding part. The grinding part performs cutting the inner hole of the ball screw to form the threads, wherein the inclined transmission shaft seat moves in the axial direction of the inner hole of the ball screw so as to extend the length of the thread lead processing while the grinding part cuts the inner hole.

Description

滾珠螺桿之內螺牙成型的加工裝置結構 Processing device structure for forming internal thread of ball screw

本發明是只用於處理加工滾珠螺桿的內螺紋槽，加工方法是用加工主軸來旋轉研磨部，且是以軸向移動加工，藉由研磨部切削研磨出螺紋槽的加工裝置。 The invention is only used for processing the internal thread groove of the ball screw. The processing method is to use the processing spindle to rotate the grinding part, and the processing device is processed by axial movement, and the thread groove is cut and ground by the grinding part.

現有滾珠螺桿的內螺牙成型加工裝置，如第七圖與八圖所示其研磨裝置包括一加工主軸，在加工主軸的一端設有研磨部，其中該加工主軸作為驅動研磨部旋轉以進行研磨切削滾珠螺桿的內螺牙加工，然而，習知該加工主軸A是一延長且筆直的桿體，因此在進行滾珠螺桿11內孔加工時會出現許多問題，例如第七圖所示，習知的加工主軸A是無法彎曲的直形桿體，其一端組設一研磨部10作為研磨削螺牙的功能，當進行滾珠螺桿11之螺牙加工時，如第八圖所示，主軸A欲進行深入到滾珠螺桿11的尾端時，該主軸A外徑緣會干涉孔徑緣12，此時主軸A即無法繼續進行加工，為此習知的結構僅能適用於加孔固定長度的滾珠螺桿11。 As shown in the seventh and eighth figures, the grinding device of the internal thread forming processing device of the existing ball screw includes a machining spindle, and a grinding section is provided at one end of the machining spindle, wherein the machining spindle is used as a driving grinding section to rotate for grinding Cutting the internal thread of the ball screw, however, it is known that the processing spindle A is an elongated and straight rod body, so many problems will occur when processing the inner hole of the ball screw 11, such as shown in the seventh figure, the conventional The machining spindle A is a straight rod body that cannot be bent, and one end of which is provided with a grinding part 10 as a function of grinding and cutting the thread. When the thread of the ball screw 11 is processed, as shown in the eighth figure, the spindle A If you want to go deeper into the tail end of the ball screw 11, the outer diameter edge of the spindle A will interfere with the aperture edge 12. At this time, the spindle A cannot continue processing. For this reason, the conventional structure can only be applied to holes with fixed lengths. Screw 11.

本創作為改良上述的缺點，對於主軸進行改良，以提供能延長加工導程，適用於多種長度尺寸的滾珠螺桿的目的。 In order to improve the above-mentioned shortcomings, the main shaft is improved to provide the purpose of extending the machining lead and suitable for ball screws of various lengths.

為了實現上述目的，本發明的加工裝置是組設於一電動機的處理台上，所述處理台是指負責驅動電動機的各轉軸方向各軸的轉速控制 與電力驅動加工工件的工作，其包括了一驅動裝置與一工具保持裝置，該驅動裝置組接於操作台，該工具保持裝置可拆卸與組合於該驅動裝置；其特徵在於：該工具保持裝置包括：第一部與該第一部延伸形成第二部；以及，該第一部組接於驅動裝置；以及，該第二部一端設有一斜傳動軸座，該斜傳動軸座一端設有研磨部；其特徵在於：該斜傳動軸座一端延伸形成彎曲端，該彎曲端係與工具保持裝置的第二部的直軸線呈傾斜的角度；以及，該工具保持裝置的第一部與第二部及該斜傳動軸座設有相互貫通的通道；以及，一撓性軸，該撓性軸穿設於通道，其一端連接驅動撓性軸，則同步驅動斜傳動軸座，並同步轉動該研磨部，而由研磨部進行切削滾珠螺桿之內孔，以形成螺牙紋，其中該斜傳動軸座沿滾珠螺桿之內孔的軸方向移動，可提供延長研磨部切削內孔之螺牙加工導程的長度。 In order to achieve the above object, the processing device of the present invention is assembled on a processing table of a motor. The processing table refers to the work of controlling the rotation speed of each rotating shaft direction of each motor and the work of electrically driving the workpiece, which includes A driving device and a tool holding device, the driving device is connected to the operating table, the tool holding device can be detached and combined with the driving device; characterized in that the tool holding device includes a first part and the first part extending Forming a second part; and, the first part is connected to the driving device; and, an end of the second part is provided with an oblique transmission shaft seat, and an end of the oblique transmission shaft seat is provided with a grinding part; characterized in that: the oblique transmission shaft One end of the base extends to form a curved end, and the curved end is at an oblique angle to the straight axis of the second part of the tool holding device; and, the first and second parts of the tool holding device and the oblique transmission shaft seat are provided with each other A through channel; and, a flexible shaft penetrating through the channel, one end of which is connected to drive the flexible shaft, and the slant drive shaft seat is synchronously driven, and the grinding section is synchronously rotated, and the grinding section cuts the balls The inner hole of the screw is used to form a thread pattern, wherein the oblique transmission shaft seat moves along the axis direction of the inner hole of the ball screw, which can extend the length of the thread machining lead of the grinding portion to cut the inner hole.

1‧‧‧驅動裝置 1‧‧‧Drive device

3‧‧‧工具保持裝置 3‧‧‧Tool holding device

2‧‧‧轉軸 2‧‧‧spindle

21‧‧‧樞接頭 21‧‧‧Pivot joint

31‧‧‧第一部 31‧‧‧Part 1

32‧‧‧第二部 32‧‧‧Part 2

3a‧‧‧通道 3a‧‧‧channel

4‧‧‧撓性軸 4‧‧‧flexible shaft

41‧‧‧第一端 41‧‧‧First

42‧‧‧第二端 42‧‧‧The second end

5‧‧‧斜傳動軸座 5‧‧‧ Oblique drive shaft seat

51‧‧‧彎曲端 51‧‧‧Bent end

X1‧‧‧軸線 X1‧‧‧Axis

X‧‧‧直軸線 X‧‧‧Straight axis

5a‧‧‧第一通道 5a‧‧‧First channel

5b‧‧‧第二通道 5b‧‧‧Second channel

5c‧‧‧第三通道 5c‧‧‧The third channel

6‧‧‧鎖緊螺帽 6‧‧‧Lock nut

7‧‧‧軸承 7‧‧‧bearing

8‧‧‧旋轉軸心 8‧‧‧rotation axis

9‧‧‧軸承蓋 9‧‧‧bearing cover

10‧‧‧研磨部 10‧‧‧Grinding Department

11‧‧‧滾珠螺桿 11‧‧‧Ball screw

第一圖 本發明工具保持裝置剖面與斜傳動軸座剖面與分解圖。 The first figure is the cross section and exploded view of the tool holding device of the present invention and the oblique transmission shaft seat.

第二圖 本發明驅動裝置與工具保持裝置的分解圖。 Second figure An exploded view of the drive device and tool holding device of the present invention.

第三圖本發明工具保持裝置剖面與斜傳動軸座剖面與旋轉軸心組合圖。 The third figure is a sectional view of the tool holding device of the present invention and the sectional view of the inclined transmission shaft seat and the rotation axis center.

第四圖本發明驅動裝置與工具保持裝置的組合圖。 The fourth figure is a combination diagram of the driving device and the tool holding device of the present invention.

第五圖本發明驅動裝置與工具保持裝置的組合局部剖視圖。 Fig. 5 is a partial cross-sectional view of the combination of the driving device and the tool holding device of the present invention.

第六圖 本發明的一實施例的示意圖。 Figure 6 is a schematic diagram of an embodiment of the present invention.

第七圖 習知加工裝置結構的一實施圖。 Figure 7 is an implementation diagram of the structure of a conventional processing device.

第八圖 習知加工裝置結構的又一實施圖。 Figure 8 Another embodiment of the structure of the conventional processing device.

如在第一圖到第五圖所示，在下文中，將參照附圖詳細描述本發明的實施例，本發明的加工裝置是示出了應用了本發明的研磨削加工螺牙成形的裝置，包括了一驅動裝置1與一工具保持裝置3，該工具保持裝置3可拆卸與組合於該驅動裝1，該驅動裝置1不局限於橫式或立式加工位置，其可因加工所需要的角度而在處理台上被自動地旋轉控制傾斜角度；以及，該驅動裝置1設有轉軸2，該轉軸2設有一樞接頭21，且該驅動裝置1提供動力傳動轉軸2轉動；以及，該工具保持裝置3包括：第一部31與該第一部31延伸形成第二部32；以及，該工具保持裝置3的第一部31與第二部32設有連通的通道3a；以及，該第一部31組接於驅動裝置1；以及，該第二部32一端設有一斜傳動軸座5；以及，該斜傳動軸座5一端延伸形成彎曲端51，如第五圖所示，該彎曲端51的軸線X1係與工具保持裝置3的第二部32的直軸線X呈傾斜的角度；以及，該斜傳動軸座5設有第一通道5a與第二通道5b及第三通道5c，該第一通道5a與第二通道5b及第三通道5c和通道3a是相互連通的，且第三通道5c徑寬大於第二通道5b，而第二通道5b徑寬大於第一通道5a；以及一軸承7設於斜傳動軸座5之第三通道5c；以及，一旋轉軸心8組設於軸承7後由一軸承蓋9蓋合於斜傳動軸座5第三通道5c外末端；以及，一撓性軸4，該撓性軸4具有第一端41與第二端42，其穿設於通道3a、第一通道5a與第二通道5b，其第一端41連接驅動裝置1的轉軸2之樞接頭21，第二端42則樞設於軸承7，並由一鎖緊螺帽6所固接於軸承7；以及一研磨部10組設於旋轉軸心8；以及，該研磨部10可以拆卸或組合於旋轉軸心8。 As shown in the first to fifth figures, in the following, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The processing device of the present invention is a device that shows the grinding and thread forming of the present invention. , Including a driving device 1 and a tool holding device 3, the tool holding device 3 can be detached and combined with the driving device 1, the driving device 1 is not limited to horizontal or vertical processing position, which can be required for processing The angle is automatically rotated on the processing table to control the tilt angle; and, the driving device 1 is provided with a rotating shaft 2, the rotating shaft 2 is provided with a pivot joint 21, and the driving device 1 provides the power transmission rotating shaft 2 to rotate; and, the The tool holding device 3 includes: a first portion 31 and the first portion 31 extend to form a second portion 32; and the first portion 31 and the second portion 32 of the tool holding device 3 are provided with a communication channel 3a; and, the The first portion 31 is connected to the driving device 1; and, one end of the second portion 32 is provided with an oblique transmission shaft seat 5; and, one end of the oblique transmission shaft seat 5 extends to form a curved end 51, as shown in the fifth figure, the The axis X1 of the curved end 51 is at an oblique angle to the straight axis X of the second portion 32 of the tool holding device 3; and the oblique transmission shaft seat 5 is provided with a first channel 5a and a second channel 5b and a third channel 5c The first channel 5a and the second channel 5b and the third channel 5c and the channel 3a are in communication with each other, and the diameter width of the third channel 5c is greater than the second channel 5b, and the diameter width of the second channel 5b is greater than the first channel 5a; And a bearing 7 is provided in the third channel 5c of the oblique transmission shaft seat 5; And, a flexible shaft 4 having a first end 41 and a second end 42 which penetrates the channel 3a, the first channel 5a and the second channel 5b, and the first end 41 is connected to the driving device 1 The pivot joint 21 of the rotating shaft 2, the second end 42 is pivoted on the bearing 7, and is fixed to the bearing 7 by a lock nut 6; and a grinding part 10 is set on the rotating shaft 8; and, the The grinding section 10 can be detached or combined with the rotation axis 8.

以及，該軸承7為滾珠軸承，其作用在於承接撓性軸4的轉 動，該撓性軸4是用於在驅動裝置1之轉軸2與軸承7之間彼此傳遞旋轉運動的裝置，該撓性軸4延長的軸是由鋼絲繩或線圈組成，撓性軸4有柔軟性但具有一定的扭轉剛度，所述撓性軸4兩端可設有一聯軸器(圖面未示)，藉由聯軸器分別組接轉軸2與軸承7；以及，該撓性軸4其一端連接於轉軸2之樞接頭21，以承接轉軸2的傳動進而轉動，其另一端固定樞接於軸承7，且軸承7套接旋轉軸心8，；因為撓性軸4為柔性可撓性所以可置放於彎曲的第一通道5a與第二通道5b，而仍然可以被轉軸2傳動轉動進而同步的傳動旋轉軸心8轉動。 And, the bearing 7 is a ball bearing, its role is to receive the rotation of the flexible shaft 4, the flexible shaft 4 is a device for transmitting rotational motion between the rotating shaft 2 of the drive device 1 and the bearing 7, the flexible The shaft extended by the shaft 4 is composed of a steel wire rope or a coil. The flexible shaft 4 is flexible but has a certain torsional rigidity. The flexible shaft 4 may be provided with a coupling (not shown) at both ends. The shaft is respectively connected to the rotating shaft 2 and the bearing 7; and, one end of the flexible shaft 4 is connected to the pivot joint 21 of the rotating shaft 2 to receive the transmission and rotation of the rotating shaft 2, and the other end is fixedly pivoted to the bearing 7 and the bearing 7 is sleeved with the rotating shaft 8; because the flexible shaft 4 is flexible, it can be placed in the curved first channel 5a and second channel 5b, and can still be driven by the rotating shaft 2 to rotate and synchronize the rotating shaft Heart 8 turns.

該撓性軸4是用於在驅動裝置1之轉軸2與軸承7之間彼此傳遞旋轉運動的裝置，該撓性軸4延長的軸是由鋼絲繩或線圈組成，撓性軸4有柔軟性但具有一定的扭轉剛度，所述撓性軸4兩端可設有一聯軸器(圖面未示)，所述的軸承7是作為與聯軸器相同功能的元件，軸承7為提供連結撓性軸4傳動動力給旋轉軸心8。 The flexible shaft 4 is a device for transmitting rotational motion between the rotating shaft 2 and the bearing 7 of the drive device 1. The shaft extended by the flexible shaft 4 is composed of a steel wire rope or a coil. The flexible shaft 4 is flexible but With a certain torsional stiffness, the flexible shaft 4 can be provided with a coupling at both ends (not shown), the bearing 7 is an element with the same function as the coupling, and the bearing 7 is used to provide connection flexibility The shaft 4 transmits power to the rotating shaft 8.

繼續，該驅動裝置1提供動力傳動轉軸2轉動，同步的傳動撓性軸4轉動時同步旋轉軸心8，進而同步轉動斜傳動軸座5一端的研磨部10，而由研磨部10進行切削滾珠螺桿11之內孔以形成螺牙。 Continuing, the drive device 1 provides the power transmission shaft 2 to rotate, and the synchronous transmission flexible shaft 4 rotates to rotate the shaft center 8 synchronously, and then synchronously rotates the grinding part 10 at one end of the oblique transmission shaft seat 5, and the grinding part 10 performs cutting of the balls The inner hole of the screw 11 forms a thread.

如第六圖所示，為斜傳動軸座5的研磨部10被***到滾珠螺桿11之內孔，所述研磨部10軸向旋轉，是通過在軸方向移動來執行，由圖面顯示該驅動裝置1藉由撓性軸4驅動斜傳動軸座5前端的研磨部10進入滾珠螺桿11之前端開始進行切削加工螺牙，當研磨部10欲前進深入滾珠螺桿11之內孔尾端時，該驅動裝置1的位置因此調整適用的偏移角度為橫向，此時因斜傳動軸座5的特殊彎曲端51的設計，因此使得斜傳動軸座5得以順利的前進深 入到滾珠螺桿11之內孔尾端。 As shown in the sixth figure, the grinding portion 10 of the oblique transmission shaft seat 5 is inserted into the inner hole of the ball screw 11, and the grinding portion 10 is rotated axially by moving in the axial direction, as shown in the figure The driving device 1 drives the grinding section 10 at the front end of the oblique transmission shaft seat 5 into the front end of the ball screw 11 through the flexible shaft 4 to start cutting the thread. When the grinding section 10 wants to advance into the end of the inner hole of the ball screw 11, The position of the driving device 1 is adjusted to the applicable offset angle in the lateral direction. At this time, due to the design of the special curved end 51 of the oblique transmission shaft seat 5, the oblique transmission shaft seat 5 can be smoothly advanced into the ball screw 11 The end of the hole.

綜上所述之實施列，可以得知本發明之加工裝置可以加工長度滾珠螺桿11，就是說可以適用於多種尺寸的滾珠螺桿11，本發明具備實用進步性，且未見於刊物或公開使用，符合專利要件，爰依法提出專利申請。 In summary, the processing device of the present invention can process the length of the ball screw 11, that is, it can be applied to the ball screw 11 of various sizes, the present invention has practical progress, and has not been seen in publications or public use, Conform to the patent requirements, and file a patent application according to law.

惟上述所陳，為本發明產業上一較佳實施例，舉凡依本發明申請專利範圍所作之等效變化，皆不脫離本案申請專利範圍。 However, what has been described above is a preferred embodiment in the invention industry, and any equivalent changes made according to the patent application scope of the present invention will not deviate from the patent application scope of this case.

3‧‧‧工具保持裝置 3‧‧‧Tool holding device

3a‧‧‧通道 3a‧‧‧channel

31‧‧‧第一部 31‧‧‧Part 1

32‧‧‧第二部 32‧‧‧Part 2

4‧‧‧撓性軸 4‧‧‧flexible shaft

5a‧‧‧第一通道 5a‧‧‧First channel

5b‧‧‧第二通道 5b‧‧‧Second channel

5c‧‧‧第三通道 5c‧‧‧The third channel

5‧‧‧斜傳動軸座 5‧‧‧ Oblique drive shaft seat

51‧‧‧彎曲端 51‧‧‧Bent end

6‧‧‧鎖緊螺帽 6‧‧‧Lock nut

7‧‧‧軸承 7‧‧‧bearing

8‧‧‧旋轉軸心 8‧‧‧rotation axis

9‧‧‧軸承蓋 9‧‧‧bearing cover

10‧‧‧研磨部 10‧‧‧Grinding Department

Claims (4)

一種滾珠螺桿之內螺牙成型的加工裝置結構，該加工裝置是組設於一電動機的處理台上，所述處理台是指負責驅動電動機的各轉軸方向各軸的轉速控制與電力驅動加工工件的工作，其包括了一驅動裝置，該驅動裝置組接於操作台，該驅動裝置設有一轉軸，其特徵在於：一工具保持裝置，以及該工具保持裝置包括：第一部與該第一部延伸形成第二部；以及，該第一部組接於驅動裝置；一斜傳動軸座，該斜傳動軸座組設於第二部，該斜傳動軸座係與工具保持裝置的第二部的直軸線呈傾斜的角度；以及，該斜傳動軸座末端設一軸承；以及，該軸承套設一旋轉軸心；以及，該工具保持裝置的第一部與第二部及該斜傳動軸座設有相互貫通的通道；以及，斜傳動軸座的通道一端設有一軸承；一撓性軸，該撓性軸穿設於通道，該撓性軸具有第一端與第二端，其第一端組接於驅動裝置的轉軸，第二端組接於斜傳動軸座內的軸承；一研磨部，組接於該旋轉軸心；其中驅動裝置驅動轉軸轉動，同步的驅動撓性軸轉動，並藉由撓性軸同步帶動該轉軸之旋轉軸心，進而同步傳動研磨部轉動。 A processing device structure for forming internal threads of a ball screw. The processing device is assembled on a processing table of an electric motor. The processing table refers to the rotational speed control of each rotating shaft direction of the driving motor and the electric drive to process the workpiece The work includes a driving device, the driving device is connected to the operating table, the driving device is provided with a rotating shaft, characterized by: a tool holding device, and the tool holding device includes: a first part and the first part Extending to form a second part; and, the first part is connected to the driving device; an oblique transmission shaft seat, the oblique transmission shaft seat is arranged in the second part, the oblique transmission shaft seat is the second part of the tool holding device The straight axis of is inclined at an angle; and, a bearing is provided at the end of the oblique transmission shaft seat; and the bearing sleeve is provided with a rotation axis; and, the first and second parts of the tool holding device and the oblique transmission shaft The seat is provided with mutually penetrating channels; and, one end of the channel of the oblique transmission shaft seat is provided with a bearing; a flexible shaft is penetrated through the channel, and the flexible shaft has a first end and a second end. One end is connected to the rotating shaft of the driving device, the second end is connected to the bearing in the oblique transmission shaft seat; a grinding part is connected to the rotating shaft center; wherein the driving device drives the rotating shaft to rotate, and simultaneously drives the flexible shaft to rotate , And synchronously drive the rotating shaft center of the rotating shaft through the flexible shaft, and then synchronize the transmission grinding part to rotate. 如申請專利範圍第1項所述之滾珠螺桿之內螺牙成型的加工裝置結構，該撓性軸是用於在驅動裝置之轉軸與軸承之間彼此傳遞旋轉運動的裝置，該撓性軸延長的軸是由鋼絲繩或線圈組成，撓性軸有柔軟性但具有一定的扭轉剛度，所述撓性軸兩端可設有一聯軸器。 The processing device structure of the internal thread forming of the ball screw as described in item 1 of the scope of the patent application, the flexible shaft is a device for transmitting rotational motion between the rotating shaft of the driving device and the bearing, the flexible shaft is extended The shaft is composed of a steel wire rope or a coil. The flexible shaft has flexibility but has a certain torsional rigidity. A coupling may be provided at both ends of the flexible shaft. 如申請專利範圍第1項所述之滾珠螺桿之內螺牙成型的加工裝置結構，該研磨部可以拆卸或組合於旋轉軸心。 According to the structure of the processing device for forming the internal thread of the ball screw as described in item 1 of the patent scope, the grinding part can be disassembled or combined with the rotation axis. 如申請專利範圍第1項所述之滾珠螺桿之內螺牙成型的加工裝置結構，該工具保持裝置可拆卸與組合於該驅動裝置。 According to the structure of the processing device for forming the internal thread of the ball screw as described in item 1 of the patent scope, the tool holding device can be detached and combined with the driving device.
TW107125882A 2018-07-26 2018-07-26 Processing device structure for forming internal threads of ball screw can extend the length of the thread lead processing while the grinding part cuts the inner hole TW202007460A (en)

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