TWI661142B - Motor module with protection sleeve for screw rod - Google Patents

Motor module with protection sleeve for screw rod Download PDF

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Publication number
TWI661142B
TWI661142B TW107123345A TW107123345A TWI661142B TW I661142 B TWI661142 B TW I661142B TW 107123345 A TW107123345 A TW 107123345A TW 107123345 A TW107123345 A TW 107123345A TW I661142 B TWI661142 B TW I661142B
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Taiwan
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screw
rotor
motor
motor module
longitudinal direction
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TW107123345A
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Chinese (zh)
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TW202006269A (en
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曾坤成
陳向緯
曾灝文
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東佑達自動化科技股份有限公司
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Priority to TW107123345A priority Critical patent/TWI661142B/en
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Publication of TWI661142B publication Critical patent/TWI661142B/en
Publication of TW202006269A publication Critical patent/TW202006269A/en

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Abstract

一種馬達模組包括一馬達、一螺桿及一防護套。該馬達包含一轉子,該轉子的內部具有穿孔,該轉子內安裝一螺帽,該螺帽與該轉子可一起被驅動旋轉。該螺桿的一端穿過該螺帽且容納在該轉子的穿孔內,該螺桿與該螺帽形成可相對運動的結合。當該轉子旋轉時,該螺桿會被驅動沿著該縱向相對該轉子前後移動。該防護套係套裝在該螺桿的外端且包含直徑不同的複數筒體。當該螺桿沿著該縱向相對該轉子前後移動時,該數筒體會隨著該螺桿的移動而伸展或是收縮。A motor module includes a motor, a screw, and a protective sleeve. The motor includes a rotor with a perforation inside, a nut is installed in the rotor, and the nut can be driven and rotated together with the rotor. One end of the screw passes through the nut and is received in a perforation of the rotor, and the screw and the nut form a relatively movable combination. When the rotor rotates, the screw is driven to move back and forth relative to the rotor along the longitudinal direction. The protective sleeve is sleeved on the outer end of the screw and includes a plurality of cylinders with different diameters. When the screw moves back and forth relative to the rotor along the longitudinal direction, the number of cylinders will expand or contract as the screw moves.

Description

具有螺桿防護套的馬達模組Motor module with screw guard

本發明有關一種馬達模組,尤指一種具有螺桿防護套的馬達模組。The invention relates to a motor module, in particular to a motor module with a screw protection sleeve.

廣泛應用於工業界機台上的電動缸係利用馬達為動力,再經由螺桿的傳動,使得負載端能進行線性移動。具體而論,當螺桿被馬達驅動旋轉時,與螺桿接合之滑座可相對線性軌道移動,使得承載件上之工作機構會被帶動而進行線性移動。一種習知電動缸的螺桿係利用一聯軸器與馬達的軸心連接,使得馬達運作時可經由聯軸器帶動螺桿旋轉。然而,長時間使用下,聯軸器易產生損壞或鬆脫,此外,聯軸器產生的撓性誤差亦會造成精度降低,而降低裝置的工作效能。另一種習知電動缸的螺桿係直接與馬達軸心(馬達的轉子)連接,使得馬達運作時會帶動螺桿一起旋轉,螺桿的旋轉運動再轉換為滑塊的直線運動,藉以改善聯軸器所產生的問題。然而,此種電動缸的結構元件較多,體積較大,不能有效節省空間以達到輕量化的目的。The electric cylinder system widely used in industrial machines uses the motor as the power and then the screw drive, so that the load end can move linearly. Specifically, when the screw is driven by a motor to rotate, the sliding seat engaged with the screw can move relative to a linear orbit, so that the working mechanism on the carrier will be driven to perform linear movement. A screw system of a conventional electric cylinder uses a coupling to connect with the shaft center of the motor, so that the motor can drive the screw to rotate through the coupling when the motor is in operation. However, the coupling is liable to be damaged or loosened under long-term use. In addition, the flexibility error generated by the coupling will also cause the accuracy to decrease, which will reduce the working efficiency of the device. The screw system of another conventional electric cylinder is directly connected to the motor shaft (the rotor of the motor), so that the motor will drive the screw to rotate together when the motor is in operation, and the rotary motion of the screw is converted into the linear motion of the slider to improve the coupling Problems that arise. However, such electric cylinders have many structural elements and large volume, which cannot effectively save space to achieve the purpose of light weight.

本發明人有鑑於此,乃悉心再加以研究設計,於今有本發明的產生。緣此,本發明之主要目的在提供一種具有螺桿防護套的馬達模組,其以創新的結構設計來減化馬達模組的構造及體積,進而提升電動缸的工作效能及競爭力。In view of this, the inventors have carefully studied and designed, and today the invention has been produced. For this reason, the main object of the present invention is to provide a motor module with a screw protection sleeve, which uses an innovative structural design to reduce the structure and volume of the motor module, thereby improving the working efficiency and competitiveness of the electric cylinder.

依據本發明一實施例的馬達模組包括一馬達、一螺桿及一防護套。該螺桿具有沿著一縱向分隔的內端與外端,且受該馬達驅動而前後往復移動。該可彈性伸縮的防護套,其套裝在該螺桿的外端且包含直徑不同的複數筒體,該數筒體相互套合連接在一起且具有一中央孔以提供該螺桿穿過,其中當該螺桿相對該馬達前後移動時,該防護套的該數筒體會隨著該螺桿的移動而伸展或是收縮。A motor module according to an embodiment of the present invention includes a motor, a screw, and a protective sleeve. The screw has an inner end and an outer end separated along a longitudinal direction, and is driven back and forth by the motor. The elastically retractable protective sleeve is sleeved on the outer end of the screw and includes a plurality of cylinders with different diameters. The several cylinders are sleeved and connected to each other and have a central hole to provide the screw through. When the screw moves back and forth with respect to the motor, the number of cylinders of the protective sleeve will expand or contract as the screw moves.

在一實施列中該馬達包含一轉子,該轉子的內部具有穿孔,該轉子內安裝一螺帽,該螺帽與該轉子可一起被驅動旋轉。該螺桿的內端穿過該螺帽且容納在該轉子的穿孔內,該螺桿與該螺帽形成可相對運動的結合。當該轉子旋轉時,該螺桿會被驅動沿著該縱向相對該轉子前後移動。In one embodiment, the motor includes a rotor with a perforation inside, and a nut is installed in the rotor, and the nut and the rotor can be driven to rotate together. The inner end of the screw passes through the nut and is received in the perforation of the rotor, and the screw and the nut form a relatively movable combination. When the rotor rotates, the screw is driven to move back and forth relative to the rotor along the longitudinal direction.

在一實施例中,該馬達模組安裝在一電動缸的本體內,該本體的前端具有一開口,該開口內安裝一收納環,該收納環的中央具有一軸孔以提供該螺桿穿過,且該收納環設有一凹部以提供該防護套容納。In one embodiment, the motor module is installed in the body of an electric cylinder, the front end of the body has an opening, and a receiving ring is installed in the opening, and the center of the receiving ring has a shaft hole for the screw to pass through. In addition, the receiving ring is provided with a recessed portion to provide the protective sleeve accommodation.

在一實施例中,該螺桿的外端伸出該轉子外側且結合一出力軸固定板,當該螺桿沿著該縱向相對該轉子向前移動時,該螺桿的外端伸出該本體前端,且該防護套會自動伸展成一完全覆蓋該螺桿伸出部分的長圓筒,當該螺桿相對該轉子向後移動時,該螺桿的外端會伸入該本體的開口內,且該防護套會被該固定板壓縮變成一短圓筒以收納在該收納環內。In an embodiment, the outer end of the screw extends outside the rotor and is combined with an output shaft fixing plate. When the screw moves forward relative to the rotor along the longitudinal direction, the outer end of the screw extends out of the front end of the body, And the protective sleeve will automatically stretch into a long cylinder that completely covers the protruding part of the screw. When the screw moves backwards relative to the rotor, the outer end of the screw will extend into the opening of the body, and the protective sleeve will be covered by the The fixing plate is compressed into a short cylinder to be stored in the storage ring.

在一實施例中,該防護套中直徑最大的筒體抵靠在該收納環之凹部的內壁,且直徑最小的筒體抵靠在該固定板之面向該前端的端面。In one embodiment, the cylinder with the largest diameter in the protective sleeve abuts against the inner wall of the recessed portion of the storage ring, and the cylinder with the smallest diameter abuts the end surface of the fixing plate facing the front end.

關於本發明之其他目的、優點及特徵,可由以下較佳實施例的詳細說明並參照所附圖式來了解。Other objects, advantages and features of the present invention can be understood from the following detailed description of the preferred embodiments and with reference to the accompanying drawings.

本發明可有多種不同的結構實施例。現將僅為例子但非用以限制的一具體實施例,並參照所附圖式就本發明之較佳結構內容說明如下:The present invention can have many different structural embodiments. A specific embodiment will be described by way of example but not limitation. The preferred structure of the present invention will be described below with reference to the drawings:

圖1至圖3顯示依據本發明之馬達模組10應用於一電動缸12,該電動缸12包含一本體14,該馬達模組10安裝在該本體14內部的一容室15中且可用來驅動該電動缸12頂部的滑座16進行線性移動。需注意者,本發明的馬達模組10可應用在利用馬達為動力來驅動螺桿使得負載端進行線性移動的裝置上,因而,不限制該馬達模組10的應用範圍與領域。1 to 3 show that a motor module 10 according to the present invention is applied to an electric cylinder 12. The electric cylinder 12 includes a body 14. The motor module 10 is installed in a receiving chamber 15 inside the body 14 and can be used for The slide 16 on the top of the electric cylinder 12 is driven to move linearly. It should be noted that the motor module 10 of the present invention can be applied to a device that uses a motor as a driving force to drive a screw to linearly move a load end, and therefore, the application range and field of the motor module 10 are not limited.

該馬達模組10包含一馬達18及一受該馬達18動而往復移動的螺桿20。該馬達18為例如伺服馬達(servomotor)或步進馬達(step motor),該螺桿20為例如一滾珠螺桿。參閱圖4與圖5,該馬達18包含一定子22、穿過該定子22內部的一轉子24及設在該定子22與該轉子24之間的至少一永久磁鐵26。該轉子24為一內部具有穿孔28的套筒且具有沿著一縱向分隔的第一端30與第二端32,該第一端30安裝有軸承33與一編碼器光盤固定座34,藉由編碼器可感測該轉子24的旋轉位置並向控制系統回饋資訊。該第二端32具有一擴大部36,該擴大部36內安裝一螺帽38,該螺帽38與該轉子24會一起轉動。在本實施例中,該擴大部36的外周圍安裝有軸承39且該擴大部36的穿孔28內壁設有沿著周圍方向分隔的複數凹槽40,而該螺帽38的外周圍設有沿著周圍方向分隔的複數凸部42用以和該數凹槽40結合,使得該螺帽38與該轉子24牢固結合。再者,該螺帽38的內部具有螺旋狀的內溝槽44以容納滾珠(未圖示)。該磁鐵26環繞在該轉子24外周圍。藉由該定子22產生的電磁效應可使該轉子24與該螺帽38一起轉動。The motor module 10 includes a motor 18 and a screw 20 that is reciprocated by the motor 18. The motor 18 is, for example, a servomotor or a step motor, and the screw 20 is, for example, a ball screw. Referring to FIGS. 4 and 5, the motor 18 includes a stator 22, a rotor 24 passing through the stator 22, and at least one permanent magnet 26 disposed between the stator 22 and the rotor 24. The rotor 24 is a sleeve with a perforation 28 inside and has a first end 30 and a second end 32 spaced along a longitudinal direction. The first end 30 is mounted with a bearing 33 and an encoder optical disc fixing seat 34. The encoder can sense the rotation position of the rotor 24 and feedback information to the control system. The second end 32 has an enlarged portion 36. A nut 38 is installed in the enlarged portion 36, and the nut 38 and the rotor 24 rotate together. In this embodiment, a bearing 39 is mounted on the outer periphery of the enlarged portion 36, and an inner wall of the perforation 28 of the enlarged portion 36 is provided with a plurality of grooves 40 spaced along the peripheral direction, and an outer periphery of the nut 38 is provided. The plurality of convex portions 42 separated along the surrounding direction are used to be combined with the plurality of grooves 40, so that the nut 38 is firmly combined with the rotor 24. In addition, the nut 38 has a spiral-shaped inner groove 44 inside to accommodate balls (not shown). The magnet 26 surrounds the outer periphery of the rotor 24. The electromagnetic effect generated by the stator 22 can cause the rotor 24 and the nut 38 to rotate together.

該螺桿20具有沿著該縱向分隔的內端46與外端48,該內端46穿過該螺帽38且容納在該轉子24的穿孔28內,該外端48伸出在該轉子24的第二端32外側。該螺桿20的桿徑小於該穿孔28的孔徑,且該螺桿20的外周圍具有螺旋狀的外溝槽50,該外溝槽50與該螺帽38的內溝槽44相對,使得該螺帽38內的滾珠可在該外溝槽50滾動。因而,當該轉子24轉動時,與該轉子24一起轉動的螺帽38不會位移,使得該螺桿20會被驅動而沿著該縱向相對該轉子24移動。The screw 20 has an inner end 46 and an outer end 48 spaced along the longitudinal direction. The inner end 46 passes through the nut 38 and is received in the perforation 28 of the rotor 24. The outer end 48 protrudes from the rotor 24. Outside of the second end 32. The diameter of the rod of the screw 20 is smaller than the diameter of the perforation 28, and the screw 20 has a spiral-shaped outer groove 50 on the outer periphery. The outer groove 50 is opposite to the inner groove 44 of the nut 38, so that the nut The balls in 38 can roll in the outer groove 50. Therefore, when the rotor 24 rotates, the nut 38 rotating with the rotor 24 will not be displaced, so that the screw 20 will be driven to move relative to the rotor 24 in the longitudinal direction.

在本實施例中,該本體14具有一前端52,該前端52具有一開口53,該開口53與該本體14內部的容室15連通。當該螺桿20沿著該縱向相對該轉子24向前移動時,該螺桿20的外端48會經由該開口53伸出該本體14的前端52(見圖6)。再者,該螺桿20的外端48結合一出力軸固定板54,在本實施例中,該螺桿20的外端48具有一結合孔56,藉由一連接件58穿過該固定板54且鎖入該結合孔56使該固定板54與該螺桿20的外端48結合。此外,該固定板54與該滑座16藉由連接件(例如螺絲)60結合,使得該螺桿20沿著該縱向相對該轉子24前後移動時,該固定板54與該滑座16會與該螺桿20一起沿著該縱向往復移動。In this embodiment, the body 14 has a front end 52, and the front end 52 has an opening 53, and the opening 53 communicates with the receiving chamber 15 inside the body 14. When the screw 20 moves forward relative to the rotor 24 along the longitudinal direction, the outer end 48 of the screw 20 will protrude from the front end 52 of the body 14 through the opening 53 (see FIG. 6). Furthermore, the outer end 48 of the screw 20 is combined with an output shaft fixing plate 54. In this embodiment, the outer end 48 of the screw 20 has a coupling hole 56 and passes through the fixing plate 54 through a connecting member 58 and The engaging hole 56 is locked to engage the fixing plate 54 with the outer end 48 of the screw 20. In addition, the fixing plate 54 and the slide 16 are combined by a connecting member (such as a screw) 60, so that when the screw 20 moves back and forth relative to the rotor 24 along the longitudinal direction, the fixing plate 54 and the slide 16 will be connected to the The screws 20 move back and forth along the longitudinal direction together.

該馬達模組10更包含一可彈性伸縮的防護套62。在本實施例中,該本體14的開口53內安裝一收納環64,該收納環64的中央具有一軸孔66以提供該螺桿20穿過,且該收納環64的外端設有一凹部68以提供該防護套62容納。在本實施例中,該防護套62包含直徑不同的複數筒體70,該數筒體70可由金屬材料製成且相互套合連接在一起以構成一具有彈性伸展的多節式套體,且該套體具有一中央孔72以提供該螺桿20穿過。該防護套62中直徑最大的筒體70抵靠在該收納環64之凹部68的內壁,且直徑最小的筒體70抵靠在該固定板54之面向該前端52的端面,如圖1所示。當該螺桿20沿著該縱向相對該轉子24前後移動時,該防護套62會隨著伸展或是收縮。如圖6所示,當該螺桿20相對該轉子24向前移動時,該螺桿20的外端48會伸出該本體14的前端52一段預設長度,而該防護套62會利用彈簧的彈性作用自動伸展成一完全覆蓋該螺桿20伸出部分的長圓筒,使得位在該本體14外側的螺桿20部分具有防塵效果。另一方向,當該螺桿20相對該轉子24向後移動時,該螺桿20的外端48會伸入該本體14的開口53內(見圖1),且該防護套62會被該固定板54壓縮而變成一截錐形的短圓筒以收納在該收納環64內。The motor module 10 further includes an elastically retractable protective sleeve 62. In the present embodiment, a receiving ring 64 is installed in the opening 53 of the body 14. The receiving ring 64 has a shaft hole 66 in the center for the screw 20 to pass through, and an outer end of the receiving ring 64 is provided with a recess 68 for The protective sleeve 62 is provided for accommodation. In this embodiment, the protective sleeve 62 includes a plurality of cylinders 70 with different diameters. The number of cylinders 70 may be made of a metal material and are connected to each other to form a multi-section sleeve body with elastic extension. The sleeve has a central hole 72 to allow the screw 20 to pass through. The cylinder 70 with the largest diameter in the protective sleeve 62 abuts against the inner wall of the recess 68 of the storage ring 64, and the cylinder 70 with the smallest diameter abuts against the end surface of the fixing plate 54 facing the front end 52, as shown in FIG. 1. As shown. When the screw 20 moves back and forth with respect to the rotor 24 along the longitudinal direction, the protective sleeve 62 will be extended or contracted accordingly. As shown in FIG. 6, when the screw 20 moves forward relative to the rotor 24, the outer end 48 of the screw 20 will protrude from the front end 52 of the body 14 for a preset length, and the protective sleeve 62 will use the elasticity of the spring. The function automatically stretches into a long cylinder that completely covers the protruding part of the screw 20, so that the part of the screw 20 located outside the body 14 has a dustproof effect. In the other direction, when the screw 20 moves backward relative to the rotor 24, the outer end 48 of the screw 20 will extend into the opening 53 of the body 14 (see FIG. 1), and the protective sleeve 62 will be fixed by the fixing plate 54 It is compressed into a truncated cone-shaped short cylinder to be accommodated in the accommodation ring 64.

如上所述,在本發明的馬達模組10中,該螺桿20係穿設在該馬達18的轉子24內且可受該轉子24帶動而沿著該縱向相對該轉子24前後移動。藉此,本發明的馬達模組10除了可以省略了習知聯軸器的使用之外,更可減化馬達模組10的構造。具體而論,當該馬達18未作動時,該螺桿20的大部分是容納在該馬達18的轉子24內,因而,可降低該馬達模組10的縱向長度,進而縮減該電動缸12的體積。再者,當該馬達18運作時,該螺桿20不會被帶動旋轉,而是在該轉子24內直接相對該轉子24前後移動以帶動該滑塊16作直線運動,使得該螺桿20不需再經由其它元件的連結來轉換為該滑塊16的直線運動,能達成減化該馬達模組10的結構並提高該馬達模組10的應用範圍與工作效能。另外,當該螺桿20相對該轉子24向前移動而伸出該本體14的前端52時,該防護套62可自動伸展而完全覆蓋該螺桿20的外露部分,使得該螺桿20具有防塵與防水氣的效果。As described above, in the motor module 10 of the present invention, the screw 20 is inserted into the rotor 24 of the motor 18 and can be driven by the rotor 24 to move forward and backward relative to the rotor 24 in the longitudinal direction. Accordingly, the motor module 10 of the present invention can reduce the structure of the motor module 10 in addition to omitting the use of the conventional coupling. Specifically, when the motor 18 is not activated, most of the screw 20 is accommodated in the rotor 24 of the motor 18, so the longitudinal length of the motor module 10 can be reduced, thereby reducing the volume of the electric cylinder 12. . Moreover, when the motor 18 is operating, the screw 20 will not be driven to rotate, but will move directly back and forth within the rotor 24 relative to the rotor 24 to drive the slider 16 for linear motion, so that the screw 20 no longer needs to be driven. The linear motion of the slider 16 can be converted through the connection of other components, so that the structure of the motor module 10 can be reduced and the application range and working efficiency of the motor module 10 can be improved. In addition, when the screw 20 moves forward relative to the rotor 24 and protrudes from the front end 52 of the main body 14, the protective sleeve 62 can automatically extend to completely cover the exposed portion of the screw 20, so that the screw 20 is dustproof and waterproof. Effect.

前述是就本發明一特定實施例做描述,而依本發明的設計特徵將可做多種變化或修改是可了解的。故對於熟悉此項技藝人士可作之明顯替換與修改,仍將併入於本發明所主張的專利範圍內。The foregoing is a description of a specific embodiment of the present invention, and it will be understood that the design features according to the present invention can be variously changed or modified. Therefore, obvious replacements and modifications that can be made by those skilled in the art will still be included in the scope of patents claimed by the present invention.

10‧‧‧馬達模組10‧‧‧Motor Module

12‧‧‧電動缸12‧‧‧ electric cylinder

14‧‧‧本體14‧‧‧ Ontology

15‧‧‧容室15‧‧‧capacity room

16‧‧‧滑座16‧‧‧slide

18‧‧‧馬達18‧‧‧ Motor

20‧‧‧螺桿20‧‧‧Screw

22‧‧‧定子22‧‧‧ Stator

24‧‧‧轉子24‧‧‧rotor

26‧‧‧磁鐵26‧‧‧Magnet

28‧‧‧穿孔28‧‧‧ perforation

30‧‧‧第一端30‧‧‧ the first end

32‧‧‧第二端32‧‧‧ the second end

33‧‧‧軸承33‧‧‧bearing

34‧‧‧固定座34‧‧‧Fixed

36‧‧‧擴大部36‧‧‧Enlarged Department

38‧‧‧螺帽38‧‧‧nut

39‧‧‧軸承39‧‧‧bearing

40‧‧‧凹槽40‧‧‧ groove

42‧‧‧凸部42‧‧‧ convex

44‧‧‧內溝槽44‧‧‧Inner groove

46‧‧‧內端46‧‧‧Inner end

48‧‧‧外端48‧‧‧ outer end

50‧‧‧外溝槽50‧‧‧ Outer groove

52‧‧‧前端52‧‧‧Front

53‧‧‧開口53‧‧‧ opening

54‧‧‧固定板54‧‧‧Fixed plate

56‧‧‧結合孔56‧‧‧Combination hole

58‧‧‧連接件58‧‧‧Connector

60‧‧‧連接件60‧‧‧Connector

62‧‧‧防護套62‧‧‧Protective sleeve

64‧‧‧收納環64‧‧‧Storage ring

66‧‧‧軸孔66‧‧‧shaft hole

68‧‧‧凹部68‧‧‧ recess

70‧‧‧筒體70‧‧‧ cylinder

72‧‧‧中央孔72‧‧‧ central hole

圖1顯示本發明之馬達模組應用於電動缸的剖視示意圖。FIG. 1 shows a schematic cross-sectional view of a motor module of the present invention applied to an electric cylinder.

圖2顯示圖1之電動缸的立體示意圖。FIG. 2 is a schematic perspective view of the electric cylinder of FIG. 1.

圖3顯示圖2之電動缸的局部分解示意圖。FIG. 3 is a partial exploded view of the electric cylinder of FIG. 2.

圖4顯示圖1之馬達模組的部分元件分解圖。FIG. 4 shows an exploded view of some components of the motor module of FIG. 1.

圖5顯示圖4之馬達模組的元件組合剖視圖。FIG. 5 is a cross-sectional view of components of the motor module of FIG. 4.

圖6顯示圖1之馬達模組之螺桿向外移動的示意圖。FIG. 6 is a schematic diagram showing outward movement of a screw of the motor module of FIG. 1.

圖7顯示圖6之電動缸的立體示意圖。FIG. 7 is a schematic perspective view of the electric cylinder of FIG. 6.

Claims (6)

一種具有螺桿防護套的馬達模組,包括:一馬達;一螺桿,係具有沿著一縱向分隔的內端與外端,且受該馬達驅動而前後往復移動;以及一可彈性伸縮的防護套,其套裝在該螺桿的外端且包含直徑不同的複數筒體,該數筒體相互套合連接在一起且具有一中央孔以提供該螺桿穿過,其中當該螺桿沿著該縱向前後移動時,該防護套的該數筒體會隨著該螺桿的移動而伸展或是收縮。A motor module with a screw protection sleeve includes: a motor; a screw having an inner end and an outer end separated along a longitudinal direction and driven by the motor to move back and forth back and forth; and an elastic retractable protection sleeve It is sleeved on the outer end of the screw and includes a plurality of cylinders with different diameters. The cylinders are sleeved and connected to each other and have a central hole to provide the screw to pass through. When the screw moves forward and backward along the longitudinal direction At this time, the number of cylinders of the protective sleeve will expand or contract as the screw moves. 如申請專利範圍第1項所述的馬達模組,其中該馬達包含一轉子,該轉子的內部具有一穿孔,該轉子內安裝一螺帽,該螺帽與該轉子可一起被驅動旋轉,該螺桿的內端穿過該螺帽且容納在該轉子的穿孔內,該螺桿與該螺帽形成可相對運動的結合,其中當該轉子旋轉時,該螺桿會被驅動沿著該縱向相對該轉子前後移動。The motor module according to item 1 of the scope of patent application, wherein the motor includes a rotor, the rotor has a perforation inside, a nut is installed in the rotor, and the nut and the rotor can be driven to rotate together. The inner end of the screw passes through the nut and is contained in the perforation of the rotor. The screw and the nut form a relatively movable combination, wherein when the rotor rotates, the screw is driven relative to the rotor along the longitudinal direction. Move back and forth. 如申請專利範圍第2項所述的馬達模組,其中該馬達模組安裝在一電動缸的本體內,該本體具有一前端,該前端具有一開口,該開口內安裝一收納環,該收納環的中央具有一軸孔以提供該螺桿穿過,且該收納環設有一凹部以提供該防護套容納。The motor module according to item 2 of the scope of patent application, wherein the motor module is installed in the main body of an electric cylinder, the body has a front end, the front end has an opening, and a storage ring is installed in the opening. The center of the ring has a shaft hole for the screw to pass through, and the receiving ring is provided with a recess for receiving the protective sleeve. 如申請專利範圍第3項所述的馬達模組,其中該螺桿的外端伸出在該轉子外側且結合一出力軸固定板,當該螺桿沿著該縱向相對該轉子向前移動時,該螺桿的外端會伸出該本體的前端,且該防護套會自動伸展成一完全覆蓋該螺桿伸出部分的長圓筒,當該螺桿相對該轉子向後移動時,該螺桿的外端會伸入該本體的開口內,且該防護套會被該固定板壓縮成為一短圓筒以收納在該收納環內。The motor module according to item 3 of the scope of patent application, wherein the outer end of the screw protrudes outside the rotor and is combined with an output shaft fixing plate. When the screw moves forward relative to the rotor along the longitudinal direction, the The outer end of the screw will protrude from the front end of the body, and the protective sleeve will automatically stretch into a long cylinder that completely covers the protruding part of the screw. When the screw moves backwards relative to the rotor, the outer end of the screw will extend into the The opening of the body is compressed by the fixing plate into a short cylinder to be stored in the storage ring. 如申請專利範圍第4項所述的馬達模組,其中該防護套中直徑最大的筒體抵靠在該收納環之凹部的內壁,且直徑最小的筒體抵靠在該固定板之面向該本體前端的端面。The motor module according to item 4 of the scope of patent application, wherein the cylinder with the largest diameter in the protective sleeve abuts against the inner wall of the recess of the storage ring, and the cylinder with the smallest diameter abuts against the side of the fixing plate An end surface of the front end of the body. 如申請專利範圍第4項所述的馬達模組,其中該本體的頂部具有一滑座,該滑座與該固定板結合,當該螺桿沿著該縱向相對該轉子移動時,該固定板與該滑座會與該螺桿一起沿著該縱向移動。The motor module according to item 4 of the scope of patent application, wherein the top of the body has a slide seat, which is combined with the fixed plate, and when the screw moves relative to the rotor along the longitudinal direction, the fixed plate and The slide will move along the longitudinal direction together with the screw.
TW107123345A 2018-07-05 2018-07-05 Motor module with protection sleeve for screw rod TWI661142B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200611767A (en) * 2004-10-07 2006-04-16 Her Kwang Entpr Co Ltd Clamping device ror a lathe
TWI373577B (en) * 2006-01-31 2012-10-01 Thk Co Ltd Hollow shaft motor drive apparatus
US8534183B2 (en) * 2009-07-09 2013-09-17 Robert Bosch Gmbh Lubricating device for a linear motion device
TW201821341A (en) * 2016-12-09 2018-06-16 財團法人金屬工業研究發展中心 Transmission device which comprises a base, a transmission module, a first protective cover, and second protective cover
TWM570381U (en) * 2018-07-05 2018-11-21 東佑達自動化科技股份有限公司 Motor module with protection sleeve for screw rod

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200611767A (en) * 2004-10-07 2006-04-16 Her Kwang Entpr Co Ltd Clamping device ror a lathe
TWI373577B (en) * 2006-01-31 2012-10-01 Thk Co Ltd Hollow shaft motor drive apparatus
US8534183B2 (en) * 2009-07-09 2013-09-17 Robert Bosch Gmbh Lubricating device for a linear motion device
TW201821341A (en) * 2016-12-09 2018-06-16 財團法人金屬工業研究發展中心 Transmission device which comprises a base, a transmission module, a first protective cover, and second protective cover
TWM570381U (en) * 2018-07-05 2018-11-21 東佑達自動化科技股份有限公司 Motor module with protection sleeve for screw rod

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