TWI564493B - Straight moving device - Google Patents
Straight moving device Download PDFInfo
- Publication number
- TWI564493B TWI564493B TW104110045A TW104110045A TWI564493B TW I564493 B TWI564493 B TW I564493B TW 104110045 A TW104110045 A TW 104110045A TW 104110045 A TW104110045 A TW 104110045A TW I564493 B TWI564493 B TW I564493B
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- TW
- Taiwan
- Prior art keywords
- cover
- sliding piece
- sealing tape
- opening
- band
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H25/2418—Screw seals, wipers, scrapers or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/20—Packing materials therefor
- F16J15/22—Packing materials therefor shaped as strands, ropes, threads, ribbons, or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Basic Packing Technique (AREA)
- Sealing Devices (AREA)
Description
本發明是有關例如藉著滾珠螺桿或汽缸,使滑塊直動的直動裝置,尤其是關於連結滑塊的台與收納操作該台的滑塊的外殼之間的防塵裝置的改良。 The present invention relates to a linear motion device for directly moving a slider by a ball screw or a cylinder, and more particularly to an improvement of a dustproof device between a table that connects the slider and a housing that houses the slider that operates the slider.
以往,該種的直動裝置為了防止塵埃侵入到外殼內,設置朝外殼的開口部的帶狀的密封帶。 Conventionally, in order to prevent dust from entering the inside of the casing, the linear actuator of this kind is provided with a belt-shaped sealing tape toward the opening of the casing.
但是,由於台連結著滑塊,會形成帶狀的密封帶跨越滑塊的構造。因此,會有塵埃從滑塊上浮的帶狀的密封帶的間隙侵入到外殼內。 However, since the stage is coupled to the slider, a strip-shaped sealing band is formed across the slider. Therefore, dust may intrude into the outer casing from the gap of the belt-shaped sealing tape which floats on the slider.
為防止塵埃的侵入,例如在台與外殼之間,儘可能設置極小的間隙將外殼內加壓來防止塵埃的侵入,或是在台與外殼的間隙設置撓性的滑動板以防止塵埃的侵入。 In order to prevent the intrusion of dust, for example, between the table and the outer casing, as much as possible, a small gap is provided to pressurize the inside of the casing to prevent the intrusion of dust, or a flexible sliding plate is provided in the gap between the table and the casing to prevent dust from entering. .
並且,為了使帶狀的密封帶密接於外殼的開口部,形成從帶狀的密封帶上面藉著滾子或刮板等將帶狀的密封帶朝著外殼的開口部按壓的構造。 In addition, in order to adhere the band-shaped sealing tape to the opening of the casing, a belt-shaped sealing tape is pressed against the opening of the casing from a belt-shaped sealing tape by a roller or a squeegee or the like.
另外,為防止帶狀的密封帶從外殼上浮,在帶狀的密封帶和外殼的開口部之間產生間隙,對帶狀的密封帶施加 張力使其形成經常維持著緊繃狀態的構造。 In addition, in order to prevent the band-shaped sealing tape from floating from the outer casing, a gap is formed between the band-shaped sealing tape and the opening of the outer casing, and the band-shaped sealing tape is applied. Tension causes it to form a structure that is often maintained in a tight state.
對帶狀的密封帶施加張力的方法有在帶狀的密封帶的上面及下面形成按壓滾子或刮板的構造。 A method of applying tension to the belt-shaped sealing tape has a structure in which a pressing roller or a squeegee is formed on the upper surface and the lower surface of the belt-shaped sealing tape.
此外,為了適當維持著帶狀的密封帶的張力,以彈簧等的彈性構件支撐著滾子或刮板。 Further, in order to appropriately maintain the tension of the belt-shaped sealing tape, the roller or the squeegee is supported by an elastic member such as a spring.
[專利文獻1] 日本特開2000-197304號公報 [Patent Document 1] Japanese Patent Laid-Open Publication No. 2000-197304
[專利文獻2] 日本實開平4-60642號微影片 [Patent Document 2] Japan Shikaiping 4-60642 Microfilm
[專利文獻3] 日本實開昭63-172545號微影片 [Patent Document 3] Microfilm of Japan Shikai Sho 63-172545
[專利文獻4] 日本實開平3-33041號微影片 [Patent Document 4] Japan Shikaiping 3-33041 Microfilm
[專利文獻5] 日本特開2000-61681號公報 [Patent Document 5] Japanese Patent Laid-Open Publication No. 2000-61681
[專利文獻6] 日本特開2006-43856號公報 [Patent Document 6] Japanese Patent Laid-Open Publication No. 2006-43856
但是,將外殼內加壓的方法有供給壓力用的壓縮機及配管的必要,並且撓性的滑動板會造成零組件形狀或安裝方法複雜等的問題。 However, a method of pressurizing the inside of the casing is necessary for supplying a compressor and a pipe for pressure, and the flexible sliding plate may cause problems such as a component shape or a complicated mounting method.
另外,以往密封帶的防塵構造有將帶狀的密封帶朝著外殼的開口部按壓的機構及對帶狀的密封帶施加張力機構的必要。 Further, in the conventional dustproof structure of the sealing tape, it is necessary to apply a belt-shaped sealing tape to the opening of the casing and to apply a tension mechanism to the tape-shaped sealing tape.
此外,為了降低帶狀的密封帶的張力產生的摩擦,在 帶狀的密封帶和台之間必須使用滾子或低摩擦的材料以致使構造複雜。 In addition, in order to reduce the friction caused by the tension of the band-shaped sealing tape, Rollers or low friction materials must be used between the strip of sealing tape and the table to complicate the construction.
又,由於帶狀的密封帶的張力與摩擦,會使裝置本身的滑動阻力增大,而會有對驅動裝置用的馬達等的負荷增大的問題。 Further, the tension and friction of the band-shaped sealing tape increase the sliding resistance of the device itself, and there is a problem that the load on the motor or the like for the driving device increases.
本發明是為了解決習知的問題所研創而成,其目的為提供不須對帶狀的密封帶施加張力,並且不須將帶狀的密封帶朝向外殼的開口部按壓即可防止塵埃侵入外殼內的直進裝置。 The present invention has been made in order to solve the conventional problems, and an object of the present invention is to provide a tension-free sealing tape, and to prevent dust from intruding into the outer casing without pressing the band-shaped sealing tape toward the opening of the outer casing. Straight-in device inside.
申請專利範圍第1項涉及的發明,其特徵為,具備:長方向形成開口部的外殼;在開口部的兩側沿著開口部設置的側蓋;側蓋的各個開口部側沿著開口部所設置的黏著構件;豎立設置台,使台從開口部突出可自由往返移動地收容在外殼長方向的滑塊;跨越台的上面在外殼固定兩端部以覆蓋開口部,藉黏著構件固定兩側部的帶狀的密封帶;台的移動時在跨越台上面的帶狀的密封帶形成彎曲部的密封帶引導部;及台移動時封閉側蓋與台的間隙的滑動片,帶狀的密封帶具有跨越台的上面封閉開口部的長度,密封帶引導部在帶狀的密封帶跨越台的上面時接觸帶狀的密封帶使帶狀的密封帶彎曲,產生將未跨越台上面的區域之帶狀的密封帶固定於黏著構件的彈推力,滑動片是在帶狀的密封帶跨越台的上面時封閉台蓋與側蓋的上面及帶狀 的密封帶的間隙。 The invention according to claim 1 is characterized in that: the outer casing having the opening portion formed in the longitudinal direction; the side cover provided along the opening portion on both sides of the opening portion; and the opening portion side of the side cover along the opening portion The adhesive member is disposed; the stand is erected so that the stand protrudes from the opening to be reciprocally movable in the longitudinal direction of the slider; the upper surface of the upper portion of the cover is fixed at both ends of the cover to cover the opening, and the adhesive member fixes the two a belt-shaped sealing tape at the side; a sealing tape guiding portion forming a curved portion at a strip-shaped sealing tape across the table when the table is moved; and a sliding piece for closing a gap between the side cover and the table when the table is moved, in a strip shape The sealing tape has a length that closes the opening portion across the upper surface of the table, and the sealing tape guiding portion contacts the band-shaped sealing tape when the band-shaped sealing tape crosses the upper surface of the table to bend the band-shaped sealing tape to generate an area that will not cross the upper surface of the table The strip-shaped sealing strip is fixed to the elastic thrust of the adhesive member, and the sliding sheet is closed on the upper surface and the strip of the side cover and the side cover when the strip-shaped sealing tape crosses the upper surface of the table The gap between the sealing strips.
申請專利範圍第2項涉及的發明,其特徵為:在申請專利範圍第1項記載的直動裝置中,密封帶引導部被設置在台的長方向的前後部。 According to a second aspect of the invention, in the linear motion device of the first aspect of the invention, the sealing tape guide portion is provided in a front-rear portion in the longitudinal direction of the table.
申請專利範圍第3項涉及的發明,其特徵為:在申請專利範圍第1項或第2項記載的直動裝置中,密封帶引導部是從台的上面朝向側蓋的上面下垂,並且隔開間隙配置在側蓋的上面。 The invention according to claim 3, wherein in the linear motion device according to the first or second aspect of the invention, the seal tape guide portion is suspended from the upper surface of the table toward the upper surface of the side cover, and is separated. The open gap is disposed above the side cover.
申請專利範圍第4項涉及的發明,其特徵為:在申請專利範圍第1項記載的直動裝置中,密封帶引導部是被設置在安裝於台之台蓋的長方向的前後部。 According to a fourth aspect of the invention, in the linear motion device of the first aspect of the invention, the sealing tape guide portion is provided in a front-rear portion in the longitudinal direction of the table cover attached to the table.
申請專利範圍第5項涉及的發明,其特徵為:在申請專利範圍第4項記載的直動裝置中,密封帶引導部是從台蓋的上面朝向側蓋的上面下垂,並且隔開間隙配置在側蓋的上面。 The invention according to claim 5, wherein in the linear motion device of the fourth aspect of the invention, the seal tape guide portion is suspended from the upper surface of the cover cover toward the upper surface of the side cover, and is disposed with a gap therebetween. On the top of the side cover.
申請專利範圍第6項涉及的發明,其特徵為:在申請專利範圍第1項至第5項中任一項記載的直動裝置中,台的上面是形成長方向的前後部低於中央部的拱型。 The invention according to claim 6 is characterized in that, in the linear motion device according to any one of the first to fifth aspect of the invention, the upper surface of the table is formed in a longitudinal direction, and the front and rear portions are lower than the central portion. Arch type.
申請專利範圍第7項涉及的發明,其特徵為:在申請專利範圍第1項至第6項中任一項記載的直動裝置中,黏著構件為磁鐵片,帶狀的密封帶是以磁性材料所構成。 The invention according to claim 7 is characterized in that, in the linear motion device according to any one of the first to sixth aspect, the adhesive member is a magnet piece, and the band-shaped sealing tape is magnetic. Made up of materials.
申請專利範圍第8項涉及的發明,其特徵為:在申請專利範圍第1項至第6項中任一項記載的直動裝置中,黏著構件為矽膠、聚氨酯或塗佈黏著劑的聚氨酯。 The invention according to claim 8 is characterized in that, in the linear motion device according to any one of claims 1 to 6, the adhesive member is silicone, polyurethane or a polyurethane coated with an adhesive.
申請專利範圍第9項涉及的發明,其特徵為:在申請專利範圍第1項至第8項中任一項記載的直動裝置中,台,具備:設置在台的全周圍,***保持著滑動片的保持部,及設置在保持部的底面與滑動片的接觸面,將滑動面朝著外殼方向按壓的按壓部。 The invention according to claim 9 is characterized in that, in the linear motion device according to any one of the first to eighth aspect of the invention, the table is provided in the entire circumference of the table, and is inserted and held. The holding portion of the slide piece and the pressing portion provided on the contact surface of the bottom surface of the holding portion and the slide piece, and pressing the sliding surface toward the outer casing direction.
申請專利範圍第10項涉及的發明,其特徵為:在申請專利範圍第9項記載的直動裝置中,按壓部是藉著底面與滑動片的接觸面成凹凸形狀所形成。 The invention according to claim 10, wherein the pressing portion is formed by a contact surface between the bottom surface and the sliding sheet in a concave-convex shape.
申請專利範圍第11項涉及的發明,其特徵為:在申請專利範圍第4項至第8項中任一項記載的直動裝置中,台蓋,具備:設置在上述台蓋的全周圍,***保持著滑動片的保持部,及設置在保持部的底面與滑動片的接觸面,將滑動面朝著外殼方向按壓的按壓部。 In the linear motion device according to any one of the items of the fourth aspect of the present invention, the cover of the present invention, wherein the cover is provided around the entire cover, A holding portion that holds the slide piece and a pressing portion that is provided on a contact surface between the bottom surface of the holding portion and the slide piece and that presses the sliding surface toward the outer casing direction are inserted.
申請專利範圍第12項涉及的發明,其特徵為:在申請專利範圍第11項記載的直動裝置中,按壓部是藉著底面與滑動片的接觸面成凹凸形狀所形成。 The invention according to claim 12, wherein the pressing portion is formed by a contact surface between the bottom surface and the sliding sheet in a concave-convex shape.
申請專利範圍第13項涉及的發明,其特徵為:在申請專利範圍第1項至第12項中任一項記載的直動裝置中,滑塊是由2個構件所成,並且串聯配置在外殼的長方向。 The invention according to claim 13 is characterized in that, in the linear motion device according to any one of claims 1 to 12, the slider is formed of two members and arranged in series The long direction of the outer casing.
申請專利範圍第14項涉及的發明,其特徵為:在申請專利範圍第13項記載的直動裝置中,密封帶引導部是被設置在安裝於台的台蓋長方向的前後部和中間部。 The invention according to claim 13 is characterized in that, in the linear motion device of claim 13, the seal tape guide portion is provided at the front and rear portions and the intermediate portion in the longitudinal direction of the cover attached to the table. .
申請專利範圍第15項涉及的發明,其特徵為:在申 請專利範圍第1項至第14項中任一項記載的直動裝置中,密封帶引導部的寬度是帶狀的密封帶寬度的50~80%。 The invention relating to claim 15 of the patent application is characterized in that: In the linear motion device according to any one of the items 1 to 14, the width of the seal tape guide portion is 50 to 80% of the width of the band-shaped seal tape.
根據本發明,由於具有台的直動裝置,可藉著外殼開口部充分的密封,防止塵埃的侵入具有防塵功能的同時,並可防止裝置的大型化。 According to the present invention, since the linear motion device of the table is provided, the opening of the casing can be sufficiently sealed, and the intrusion of dust can be prevented from having a dustproof function, and the size of the device can be prevented from increasing.
此外,由於台對於帶狀的密封帶的滑動阻力小,可進行高精度定位的同時,並可減小對驅動直動裝置的馬達等的負荷而可省能源,對長壽命化具有貢獻。 Further, since the sliding resistance of the belt-shaped sealing tape is small, high-precision positioning can be performed, and the load on the motor or the like for driving the linear motion device can be reduced, energy can be saved, and the life can be extended.
並且,對帶狀的密封帶無須施加張力,因此密封帶引導部僅接觸在密封帶的上面可減小滑動阻力,並可調節對帶狀的密封帶的張力,因此沒有以彈簧等彈性構件支撐滾子與滑動片的必要。 Moreover, since no tension is applied to the belt-shaped sealing tape, the sealing tape guiding portion can only contact the upper surface of the sealing tape to reduce the sliding resistance, and can adjust the tension of the band-shaped sealing tape, so that it is not supported by an elastic member such as a spring. The need for rollers and slides.
另外,帶狀的密封帶的下面未與台的上面接觸,因此對帶狀的密封帶不會產生不必要的張力可減小滑動阻力。 Further, the lower surface of the belt-shaped sealing tape is not in contact with the upper surface of the stage, so that unnecessary tension is not generated to the band-shaped sealing tape to reduce the sliding resistance.
此外,將滑塊串聯配置成2個構件,或使用全長增長後的滑塊,可增加台的抗負荷。 In addition, by arranging the sliders in series to form two members, or using a slider that has grown in length, the load resistance of the table can be increased.
並且,為了增加台的抗負荷,即使增長台的長度將滑塊串聯配置成2個構件的場合,在中間部追加密封帶引導部可防止對台蓋內側的接觸,並可減小帶狀的密封帶上面的接觸面積。 Further, in order to increase the load resistance of the table, even if the length of the growth stage is arranged in series with the sliders in two pieces, the seal band guide portion is added to the intermediate portion to prevent contact with the inside of the cover and to reduce the band shape. The contact area above the sealing tape.
1‧‧‧馬達 1‧‧‧Motor
2‧‧‧托架 2‧‧‧ bracket
3‧‧‧滾珠螺桿 3‧‧‧Ball screw
4‧‧‧外殼 4‧‧‧ Shell
5‧‧‧突緣 5‧‧‧Front
7‧‧‧磁鐵 7‧‧‧ Magnet
8‧‧‧側蓋 8‧‧‧ side cover
8a‧‧‧側蓋8的上面 8a‧‧‧Top of the side cover 8
10‧‧‧螺桿軸 10‧‧‧ Screw shaft
11‧‧‧滑動塊 11‧‧‧Sliding block
12‧‧‧台 12‧‧‧
12c‧‧‧凹部 12c‧‧‧ recess
12d‧‧‧縮頸部 12d‧‧‧Shrinking neck
12e‧‧‧密封帶引導部 12e‧‧‧Sealing belt guide
13‧‧‧導溝 13‧‧‧Guide
16‧‧‧台蓋 16‧‧‧Table cover
16a‧‧‧上面板 16a‧‧‧Upper panel
16b‧‧‧側面板 16b‧‧‧ side panel
16c‧‧‧前後面板 16c‧‧‧ front and rear panels
16d‧‧‧側面肋 16d‧‧‧ Side ribs
16e‧‧‧前後面肋 16e‧‧‧ front and rear ribs
16f‧‧‧收容部 16f‧‧‧Receiving Department
16g‧‧‧凸部 16g‧‧‧ convex
16h‧‧‧凹部 16h‧‧‧ recess
16j、16k‧‧‧密封帶引導部 16j, 16k‧‧‧Sealing belt guide
18‧‧‧滾珠螺桿螺帽 18‧‧‧Ball screw nut
20‧‧‧開口部 20‧‧‧ openings
23‧‧‧帶狀的密封帶 23‧‧‧Striped sealing tape
34‧‧‧台面 34‧‧‧ countertops
37‧‧‧滑動片 37‧‧‧Slide
37a‧‧‧蓋側接觸面 37a‧‧‧ cover side contact surface
37b‧‧‧密封帶側接觸面 37b‧‧‧Sealing side contact surface
第1圖為本發明第1實施形態所涉及直動裝置的上視圖。 Fig. 1 is a top view of a linear motion device according to a first embodiment of the present invention.
第2圖是沿著第1圖的A-A線剖視圖。 Fig. 2 is a cross-sectional view taken along line A-A of Fig. 1.
第3圖是沿著第1圖的B-B線剖視圖。 Fig. 3 is a cross-sectional view taken along line B-B of Fig. 1.
第4圖是放大表示第2圖主要部的剖視圖。 Fig. 4 is a cross-sectional view showing the main part of Fig. 2 in an enlarged manner.
第5圖是放大表示第2圖主要部的透視圖。 Fig. 5 is a perspective view showing an enlarged main portion of Fig. 2;
第6圖是表示台12與台蓋16與密封帶引導部16j與帶狀的密封帶23的關係之剖視圖。 Fig. 6 is a cross-sectional view showing the relationship between the table 12, the table cover 16, and the seal tape guide portion 16j and the band-shaped seal band 23.
第7圖是表示除去第1圖的直進裝置的台蓋16與帶狀的密封帶23,剩下台蓋16的密封帶引導部16j的透視圖。 Fig. 7 is a perspective view showing the cover tape guide portion 16j of the table cover 16 except the cover 16 and the belt-shaped sealing tape 23 of the straight-feeding device of Fig. 1 are removed.
第8圖的(a)是表示台蓋16的透視圖,(b)是表示在台蓋16安裝滑動片37後的狀態的透視圖,(c)是表示台蓋16的收容部16f之抵接面的透視圖。 Fig. 8(a) is a perspective view showing the table cover 16, (b) is a perspective view showing a state in which the slide piece 37 is attached to the table cover 16, and (c) is a view showing the accommodating portion 16f of the table cover 16. A perspective view of the junction.
第9圖是表示滑動片37的透視圖。 Fig. 9 is a perspective view showing the slide piece 37.
第10圖表示台蓋16與滑動片37的接觸面是以凸部16g和凹部16h所成之連續山形為例的剖視圖。 Fig. 10 is a cross-sectional view showing a contact surface between the table cover 16 and the slide piece 37 as an example of a continuous mountain shape formed by the convex portion 16g and the concave portion 16h.
第11圖表示台蓋16與滑動片37的接觸面是以平面為例的剖視圖。 Fig. 11 is a cross-sectional view showing the contact surface of the table cover 16 and the slide piece 37 as a plane.
第12圖是表示台蓋16與滑動片37與側蓋8的關係的剖視圖。 Fig. 12 is a cross-sectional view showing the relationship between the table cover 16 and the slide piece 37 and the side cover 8.
第13圖是表示第1圖的直進裝置以掛壁式為例和平放式為例的說明圖。 Fig. 13 is an explanatory view showing an example in which the rectilinear device of Fig. 1 is exemplified by a hanging wall type and a flat type.
第14圖是表示具備滑動片37的台12的透視圖。 Fig. 14 is a perspective view showing the stage 12 provided with the slide piece 37.
第15圖為本發明第2實施形態所涉及直動裝置的透視圖。 Figure 15 is a perspective view of a linear motion device according to a second embodiment of the present invention.
第16圖是表示除去第15圖的直進裝置的台蓋16,剩下台蓋16的密封帶引導部16j之台12的透視圖。 Fig. 16 is a perspective view showing the stage cover 16 of the straightening device of Fig. 15 except for the table 12 of the seal tape guiding portion 16j of the table cover 16.
第17圖是放大表示第16圖主要部的透視圖。 Fig. 17 is a perspective view showing, in an enlarged manner, a main portion of Fig. 16.
第18圖是表示2個台12與台蓋16與2個密封帶引導部16j與中央的密封帶引導部16k與帶狀的密封帶23的關係的剖視圖。 Fig. 18 is a cross-sectional view showing the relationship between the two stages 12, the table cover 16 and the two seal band guides 16j, the center seal band guide portion 16k, and the band-shaped seal band 23.
根據圖面所示的實施形態說明本發明如下。 The present invention will be described below based on the embodiments shown in the drawings.
第1圖至第13圖是表示本發明第1實施形態涉及的直動裝置。 Figs. 1 to 13 are views showing a linear motion device according to a first embodiment of the present invention.
圖中,1為馬達,2是連結收納在外殼4內的滾珠螺桿3與馬達1的托架。 In the figure, 1 is a motor, and 2 is a bracket that connects the ball screw 3 housed in the outer casing 4 and the motor 1.
托架2是如第1圖、第2圖表示,一端是經由螺絲連結於馬達1。並且,托架2在外殼4的軸向設置中空部2a,中空部2a設有聯軸結等的連結部9。連結部9在滾珠螺桿3的螺桿軸10上連結著馬達軸1a。 The bracket 2 is shown in FIG. 1 and FIG. 2, and one end is connected to the motor 1 via a screw. Further, the bracket 2 is provided with a hollow portion 2a in the axial direction of the outer casing 4, and the hollow portion 2a is provided with a coupling portion 9 such as a coupling. The connecting portion 9 is coupled to the motor shaft 1a on the screw shaft 10 of the ball screw 3.
外殼4是如第2圖、第3圖表示,軸向的天井部沿著滑動塊11的移動方向,即軸向形成開口部20,使軸向的 兩端部開口。藉開口部20所形成的凹部4a形成有導溝13,該導溝13可自由往返移動地收納沿著凹部4a的兩內側面4b的軸向,藉滾珠螺桿3可在軸向自由往返移動的滑動塊(滑塊)11。 As shown in FIG. 2 and FIG. 3, the outer casing 4 has an opening portion 20 in the axial direction along the moving direction of the sliding block 11, that is, the axial direction. Both ends are open. The guide groove 13 is formed in the recessed portion 4a formed by the opening portion 20, and the guide groove 13 can be freely reciprocally accommodated along the axial direction of the inner side faces 4b of the recessed portion 4a, and can be freely reciprocated in the axial direction by the ball screw 3 Slide block (slider) 11.
並且,外殼4是藉著在一方開口端以螺絲連結托架2所封閉,另一方開口端以螺絲連結突緣5所封閉。 Further, the outer casing 4 is closed by a screw-connecting bracket 2 at one open end, and the other open end is closed by a screw connecting flange 5.
滑動塊11在上面設置台12。 The slider 11 is provided with a table 12 thereon.
滑動塊11如第2圖、第3圖表示,配置有滾珠螺桿3的滾珠螺桿螺帽18,滑動塊11是沿著形成在外殼4的凹部4a的導槽13滑動,與滾珠螺桿3的滾珠螺桿螺帽18一起往返移動操作台12。 As shown in FIGS. 2 and 3, the slider 11 has a ball screw nut 18 in which a ball screw 3 is disposed, and the slider 11 slides along a guide groove 13 formed in the recess 4a of the outer casing 4, and a ball of the ball screw 3 The screw nut 18 reciprocates the table 12 together.
台12是構成通過外殼4的開口部20往返移動。 The table 12 is configured to reciprocate through the opening portion 20 of the outer casing 4.
外殼4的開口部20兩側的軸向,如第1圖至第3圖表示,藉螺絲連結著側蓋8。側蓋8的上面8a配設有封閉開口部20的帶狀的密封帶23。 The axial direction of both sides of the opening portion 20 of the outer casing 4 is as shown in Figs. 1 to 3, and the side cover 8 is joined by a screw. The upper surface 8a of the side cover 8 is provided with a band-shaped sealing tape 23 that closes the opening 20.
帶狀的密封帶23是如第1圖至第7圖表示,在外殼4的軸向通過台12的上方設置從台12的上面覆蓋至兩側部12b,帶狀的密封帶23的長方向兩端部被以螺絲30a固定在托架2及突緣5上,帶狀的密封帶23的長方向兩端部則是藉著設置在側蓋8的磁鐵7吸附於側蓋8。 The band-shaped sealing tape 23 is shown in Figs. 1 to 7 and is provided above the through-stage 12 of the outer casing 4 so as to cover from the upper surface of the table 12 to the both side portions 12b, and the longitudinal direction of the band-shaped sealing tape 23 Both end portions are fixed to the bracket 2 and the flange 5 by screws 30a, and both end portions of the strip-shaped seal band 23 in the longitudinal direction are attracted to the side cover 8 by the magnet 7 provided on the side cover 8.
再者,帶狀的密封帶23是以可配合台12的兩側部12b的斜度獲得適當彎曲之具有彈性的不銹鋼片等為佳,例如具有某程度彈性的磁性材所成的薄板,例如有SUS440、SUS410等的麻田散鐵系不銹鋼,例如有 SUS631、SUS632等的析出硬化系不銹鋼,例如有SUS430等的肥粒鐵系不銹鋼、SK材等。另外,由於例如SUS303、SUS304、SUS316、SUS304等沃斯田鐵系不銹鋼不具磁性的不銹鋼片不會被磁鐵7所吸附,不能作為帶狀的密封帶使用。 Further, the strip-shaped sealing tape 23 is preferably a stainless steel sheet or the like which can be appropriately bent by the inclination of the both side portions 12b of the table 12, for example, a thin plate made of a magnetic material having a certain degree of elasticity, for example. There are ERA440, SUS410, etc. Ma Tian loose iron stainless steel, for example For precipitation hardening type stainless steels such as SUS631 and SUS632, for example, there are granulated iron-based stainless steels such as SUS430 and SK materials. In addition, stainless steel sheets of the Vostian iron-based stainless steel such as SUS303, SUS304, SUS316, and SUS304 which are not magnetic are not adsorbed by the magnet 7, and cannot be used as a belt-shaped sealing tape.
再者,彈性是指藉著帶狀的密封帶23的彈性所產生如板簧的特性。 Further, the elasticity means a characteristic such as a leaf spring which is produced by the elasticity of the band-shaped sealing tape 23.
台12是形成在外殼4的軸向中央部較兩側部12b***的拱形。台12設置2個從兩側分別***設有磁鐵7的側蓋8的上面8a的凹部12c。藉2個凹部12c在台12形成有縮頸部12d。台12使得複數個突起部12a朝上方豎立形成大致水平的假設台面34。 The table 12 is formed in an arch shape which is formed at the central portion in the axial direction of the outer casing 4 and is raised from the both side portions 12b. The table 12 is provided with two recessed portions 12c into which the upper surface 8a of the side cover 8 of the magnet 7 is inserted from both sides. A constricted portion 12d is formed on the table 12 by the two recessed portions 12c. The stage 12 causes the plurality of protrusions 12a to stand upright to form a substantially horizontal hypothetical table 34.
台12安裝有除了台面34覆蓋著台12部份的台蓋16。 The table 12 is mounted with a table cover 16 that covers the portion of the table 12 except for the table top 34.
台蓋16,係由:具有僅稍微小於外殼4寬度之寬度的四角形的上面板16a;在上面板16a的兩側部向下方下垂設置的側面板16b;在上面板16a的前後向下方下垂設置的前後面板16c所構成。 The table cover 16 is composed of a quadrangular upper panel 16a having a width slightly smaller than the width of the outer casing 4, a side panel 16b which is provided downward on both side portions of the upper panel 16a, and a lower side of the upper panel 16a. The front and rear panels 16c are formed.
側面板16b及前後面板16c的下端部是形成和側蓋8的上面8a平行,側面板16b及前後面板16c的下端部是如第12圖表示,被配置與側蓋8的上面8a隔開一定的間隙S。在此,一定的間隙S,例如只要0.5mm程度的小間隙即可。 The lower end portions of the side panels 16b and the front and rear panels 16c are formed in parallel with the upper surface 8a of the side cover 8, and the lower end portions of the side panels 16b and the front and rear panels 16c are as shown in Fig. 12, and are disposed to be spaced apart from the upper surface 8a of the side cover 8. The gap S. Here, the constant gap S may be, for example, a small gap of about 0.5 mm.
側面板16b及前後面板16c的內側安裝有圍繞全周圍 的一片細長板狀的滑動片37。 The inner side of the side panel 16b and the front and rear panels 16c are mounted around the entire circumference. A slender plate-shaped sliding sheet 37.
在台蓋16的前後面板16c的內側,分別設有藉著設置在側蓋8的磁鐵7將帶狀的密封帶23密接在側蓋8的密封帶引導部16j。 On the inner side of the front and rear panels 16c of the table cover 16, a seal tape guide portion 16j for adhering the band-shaped seal tape 23 to the side cover 8 by a magnet 7 provided on the side cover 8 is provided.
帶狀的密封帶23雖是以螺絲30a固定在托架2及突緣5,但是帶狀的密封帶23的軸向長度具有可跨台12通過的剩餘部。 The band-shaped sealing tape 23 is fixed to the bracket 2 and the flange 5 by screws 30a, but the axial length of the band-shaped sealing tape 23 has a remaining portion that can pass across the table 12.
因此,帶狀的密封帶23一旦藉著磁鐵7的吸附力使兩端部形成固定狀態時,利用密封帶引導部16j從上面所按壓的帶狀的密封帶23的剩餘部可藉著帶狀的密封帶23本身的彈性自然地形成彎曲部23a。 Therefore, when the band-shaped sealing tape 23 is fixed to the both end portions by the suction force of the magnet 7, the remaining portion of the band-shaped sealing tape 23 pressed from above by the sealing tape guiding portion 16j can be banded. The elasticity of the sealing tape 23 itself naturally forms the curved portion 23a.
另外,彎曲部23a是藉著帶狀的密封帶23本身的彈性,發揮將帶狀的密封帶23吸附至磁鐵7的彈推功能,因此即使不需要其他的彈推手段仍可藉著密封帶引導部16j使帶狀的密封帶23吸附於磁鐵7。 Further, the curved portion 23a functions as a spring pushing function of adsorbing the band-shaped sealing tape 23 to the magnet 7 by the elasticity of the band-shaped sealing tape 23 itself, so that the sealing tape can be used even if other elastic pushing means are not required The guide portion 16j adsorbs the band-shaped sealing tape 23 to the magnet 7.
並且,帶狀的密封帶23雖是通過台蓋16的下側和台12的上側之間,但是可調節帶狀的密封帶23的彎曲部23a使其不接觸台蓋16的上面板16a的內側,也不接觸台12上面的長度。 Further, although the strip-shaped sealing tape 23 passes between the lower side of the table cover 16 and the upper side of the table 12, the curved portion 23a of the band-shaped sealing tape 23 can be adjusted so as not to contact the upper panel 16a of the table cover 16. The inside does not touch the length of the top of the table 12.
台12的上面是形成拱狀,在通常的狀態雖不接觸帶狀的密封帶23,但是具有安裝台蓋16形成彎曲部23a的輔助性任務。 The upper surface of the stage 12 is formed in an arch shape, and does not contact the strip-shaped sealing tape 23 in a normal state, but has an auxiliary task of forming the curved portion 23a by the mounting table cover 16.
又,密封帶引導部16j並不是構成將帶狀的密封帶23朝著磁鐵7按壓,而是對側蓋8的上面8a隔著間隙安裝 於台蓋16的構成,因此不會產生按壓帶狀的密封帶23的摩擦力。另外,即使對帶狀的密封帶23和密封帶引導部16j的接觸部份施力時,只會產生帶狀的密封帶23本身彈性所產生的力,因此幾乎不會產生摩擦力。 Further, the seal tape guide portion 16j does not constitute the belt-shaped seal band 23 pressed toward the magnet 7, but is attached to the upper surface 8a of the side cover 8 with a gap therebetween. Since the cover 16 is configured, the frictional force of the belt-shaped seal band 23 is not generated. Further, even when the contact portion of the band-shaped sealing tape 23 and the seal tape guiding portion 16j is biased, only the force generated by the elasticity of the band-shaped sealing tape 23 itself is generated, so that frictional force is hardly generated.
接著,根據第6圖,針對台12、台蓋16、密封帶引導部16j及帶狀的密封帶23的關係說明如下。 Next, the relationship between the table 12, the table cover 16, the seal tape guide portion 16j, and the band-shaped seal tape 23 will be described below based on Fig. 6 .
在此,尺寸F為台蓋16的軸向距離,尺寸C為密封帶引導部16j間的距離,尺寸X是從台蓋16的天井面到帶狀的密封帶(黏貼在側蓋8的位置)23為止的距離,尺寸Y為台12的頂部和帶狀的密封帶(黏貼在側蓋8的位置)23的距離,尺寸Z為密封帶引導部16j和帶狀的密封帶(黏貼在側蓋8的位置)23的距離,rD為帶狀的密封帶23的曲率半徑,rE是密封帶引導部16j對帶狀的密封部23的接觸部的曲率半徑。 Here, the dimension F is the axial distance of the cover 16, the dimension C is the distance between the seal band guides 16j, and the dimension X is from the patio face of the cover 16 to the band-shaped sealing tape (adhered to the position of the side cover 8) The distance from 23 is the distance between the top of the table 12 and the band-shaped sealing tape (adhered to the position of the side cover 8) 23, and the dimension Z is the sealing tape guiding portion 16j and the band-shaped sealing tape (adhered to the side) The distance of the position of the cover 8 is 23, rD is the radius of curvature of the band-shaped seal band 23, and rE is the radius of curvature of the contact portion of the seal band guide portion 16j with respect to the band-shaped seal portion 23.
本實施形態的條件是如下述。尺寸Y為構造上所必須。尺寸X則是儘可能地小。尺寸F為了使台12的行程作動而須較短。接觸部對帶狀的密封帶23的曲率半徑rD與密封帶引導部16j的帶狀的密封帶23的曲率半徑rE會影響帶狀的密封帶23的壽命應儘可能形成較大。 The conditions of this embodiment are as follows. The size Y is necessary for construction. Size X is as small as possible. The dimension F has to be shorter in order to actuate the stroke of the table 12. The radius of curvature rD of the contact portion with respect to the band-shaped sealing tape 23 and the radius of curvature rE of the band-shaped sealing tape 23 of the seal tape guiding portion 16j affect the life of the band-shaped sealing tape 23 to be as large as possible.
為了增大接觸部對帶狀的密封帶23的曲率半徑rD與密封帶引導部16j的帶狀的密封帶23的曲率半徑rE,有加大尺寸C的必要,但是尺寸C一旦加大時,同時會使尺寸F也加大。 In order to increase the radius of curvature rD of the contact portion with respect to the strip-shaped seal band 23 and the radius of curvature rE of the strip-shaped seal band 23 of the seal tape guide portion 16j, it is necessary to increase the size C, but when the size C is increased, At the same time, the size F will also increase.
因此,使得密封帶引導部16j僅上浮尺寸Z的量,因 此即使不加大尺寸C仍可增大接觸部對帶狀的密封帶23的曲率半徑rD與密封帶引導部16j的帶狀的密封帶23的曲率半徑rE。 Therefore, the sealing tape guide portion 16j is caused to float only by the amount of the dimension Z, This increases the radius of curvature rD of the contact portion with respect to the band-shaped sealing tape 23 and the radius of curvature rE of the band-shaped sealing tape 23 of the seal tape guiding portion 16j without increasing the size C.
形成小的尺寸Z,尺寸C應可維持其狀態,但是此時,接觸部對帶狀的密封帶23的曲率半徑rD與密封帶引導部16j的帶狀的密封帶23的曲率半徑rE會變小。 A small dimension Z is formed, and the dimension C should maintain its state, but at this time, the radius of curvature rD of the contact portion with respect to the strip-shaped sealing tape 23 and the radius of curvature rE of the band-shaped sealing tape 23 of the sealing tape guiding portion 16j may change. small.
因此,無須緊密按壓帶狀的密封帶23的上面,決定密封帶引導部16j的位置即可以密封帶引導部16j按壓帶狀的密封帶23撓曲部分(彎曲部分23a)的傾斜中途。 Therefore, it is not necessary to press the upper surface of the band-shaped sealing tape 23 tightly, and the position of the seal tape guiding portion 16j is determined, that is, the sealing tape guiding portion 16j can press the inclination of the bent portion (curved portion 23a) of the band-shaped sealing tape 23 halfway.
附帶地,密封帶引導部16j的前端部是如第4圖、第8圖表示,為避開對帶狀的密封帶23形成面接觸來降低帶狀的密封帶23的負荷,設置倒角16j’,減少與帶狀的密封帶23的磨損。 Incidentally, the front end portion of the seal tape guide portion 16j is shown in Fig. 4 and Fig. 8, and the chamfer 16j is provided so as to reduce the load of the strip-shaped seal band 23 by avoiding surface contact with the strip-shaped seal band 23. ', reducing the wear of the band-like sealing tape 23.
接著,參照第4圖、第5圖、第8圖、第9圖、第10圖針對安裝於台蓋16的滑動片37加以說明。 Next, the sliding piece 37 attached to the cover 16 will be described with reference to FIGS. 4, 5, 8, 9, and 10.
台蓋16設有收容滑動片37用的收容部,該收容部是將上面板16a垂下設置的側面肋16d及前後面肋16e分別平行配置在側面板16b及前後面板16c,並跨側面板16b及前後面板16c的內側全周圍設置收容部16f。 The table cover 16 is provided with an accommodating portion for accommodating the slide piece 37. The accommodating portion is disposed such that the side rib 16d and the front and rear ribs 16e which are suspended from the upper panel 16a are disposed in parallel to the side panel 16b and the front and rear panels 16c, respectively, and span the side panel 16b. The accommodating portion 16f is provided around the inner side of the front and rear panels 16c.
並且,由於密封帶引導部16j比帶狀的密封帶23的寬度還窄,不會接觸帶狀的密封帶23的兩側附近,可防止帶狀的密封帶23兩側附近的劣化。密封帶引導部16j的寬度是以帶狀的密封帶23寬度的50~80%為佳。 Further, since the seal tape guiding portion 16j is narrower than the width of the band-shaped sealing tape 23, it does not contact the vicinity of both sides of the band-shaped sealing tape 23, and deterioration of the vicinity of both sides of the band-shaped sealing tape 23 can be prevented. The width of the seal tape guide portion 16j is preferably 50 to 80% of the width of the strip-shaped seal tape 23.
形成收容部16f底面的抵接面是如第8(c)圖所示, 形成凸部16g與凹部16h所成的連續山形。 The abutting surface forming the bottom surface of the accommodating portion 16f is as shown in Fig. 8(c). A continuous mountain shape formed by the convex portion 16g and the concave portion 16h is formed.
滑動片37的材料是以橡膠或具彈性的合成樹脂所成,是由:接觸於台蓋16的凸部16g及凹部16h的蓋側接觸面37a;接觸於側蓋8的上面8a及帶狀的密封帶23的密封帶側接觸面37b;及接觸於側面板16b、前後面板16c、側面肋16d及前後面肋16e的保持面37c所構成。藉著將滑動片37壓入台蓋16的收容部16f,以摩擦力保持在收容部16f內。 The material of the sliding piece 37 is made of rubber or an elastic synthetic resin, and is composed of a convex portion 16g contacting the cover 16 and a cover side contact surface 37a of the recess 16h; the upper surface 8a and the strip contacting the side cover 8 The sealing tape side contact surface 37b of the sealing tape 23; and the holding surface 37c which is in contact with the side panel 16b, the front and rear panel 16c, the side rib 16d, and the front and rear rib 16e. The sliding piece 37 is pressed into the accommodating portion 16f of the table cover 16 and held in the accommodating portion 16f by friction.
其次,參閱第1圖至第4圖說明本實施形態所涉及直動裝置的作用。 Next, the action of the linear motion device according to the present embodiment will be described with reference to Figs. 1 to 4 .
藉馬達1的作動使滾珠螺桿3的螺桿軸10作動時,隨著螺桿軸10的轉動讓滾珠螺桿螺帽18沿著螺桿軸10軸向移動。滑動塊11並隨著沿軸向移動。藉滑動塊11的移動使台蓋16在帶狀的密封帶23上移動,使得台12在帶狀的密封帶23的下方移動。 When the screw shaft 10 of the ball screw 3 is actuated by the operation of the motor 1, the ball screw nut 18 is axially moved along the screw shaft 10 as the screw shaft 10 rotates. The slider 11 is moved in the axial direction. The table cover 16 is moved on the belt-shaped sealing tape 23 by the movement of the slider 11, so that the table 12 moves under the band-shaped sealing tape 23.
此時,帶狀的密封帶23的彎曲部23a也是藉密封帶引導部16j連動而移動,因此帶狀的密封帶23可經常以非接觸狀態移動於台12和台蓋16,可獲得對帶狀的密封帶23的張力或伴隨張力之摩擦產生的滑動阻力小的防塵構造。 At this time, the curved portion 23a of the band-shaped sealing tape 23 is also moved by the sealing tape guiding portion 16j, so that the band-shaped sealing tape 23 can be often moved in the non-contact state to the table 12 and the table cover 16, and the pair of belts can be obtained. The tension of the sealing tape 23 or the dustproof structure with small sliding resistance caused by the friction of the tension.
側蓋8的上面8a設有封閉開口部20的帶狀的密封帶23,因此可防止塵埃等從開口部20侵入的不良狀況。即使是台12的移動時,由於是以密封帶引導部16j一邊按壓帶狀的密封帶23一邊移動,因此可經常地使帶狀的密 封帶23和側蓋8密接,防止塵埃從台蓋16未覆蓋部份的侵入。 The upper surface 8a of the side cover 8 is provided with a belt-shaped sealing tape 23 that closes the opening 20, so that it is possible to prevent the intrusion of dust or the like from the opening 20. Even when the table 12 is moved, since the band-shaped sealing tape 23 is pressed while the sealing tape guiding portion 16j is pressed, the band-shaped denseness can be often made. The sealing tape 23 and the side cover 8 are in close contact to prevent the intrusion of dust from the uncovered portion of the table cover 16.
另外,藉安裝於台蓋16的滑動片37,可防止塵埃等從台蓋16和側蓋8的上面8a及帶狀的密封帶23的間隙侵入到台蓋16內的不良狀況,獲得防塵效果。 Moreover, the sliding sheet 37 attached to the table cover 16 can prevent dust or the like from entering the table cover 16 from the gap between the upper surface 8a of the table cover 16 and the side cover 8 and the band-shaped sealing tape 23, thereby obtaining a dustproof effect. .
通常,此種的滑動片是使用橡膠或具彈性的合成樹脂等的材料,但是由於具有彈力,會有產生零件的尺寸精度不良的問題。此外,由於是組合複數個零件,在台蓋16和側蓋8的上面8a及帶狀的密封帶23的間隙不必然會形成一定。 Usually, such a sliding sheet is made of a rubber or a synthetic resin such as an elastic resin. However, due to the elastic force, there is a problem that the dimensional accuracy of the part is poor. Further, since a plurality of components are combined, the gap between the upper surface 8a of the table cover 16 and the side cover 8 and the band-shaped sealing tape 23 is not necessarily formed.
即,滑動片37的尺寸小於預定尺寸的場合或台蓋16與側蓋8的上面8a及帶狀的密封帶23的間隙大於預定尺寸的場合,滑動片37與側蓋8的上面8a及帶狀的密封帶23之間形成間隙,會使得塵埃進入。 That is, when the size of the sliding sheet 37 is smaller than a predetermined size or the gap between the top cover 16 and the upper surface 8a of the side cover 8 and the band-shaped sealing tape 23 is larger than a predetermined size, the upper surface 8a of the sliding sheet 37 and the side cover 8 and the belt A gap is formed between the seal bands 23, which causes dust to enter.
相反地,滑動片37的尺寸大於預定尺寸的場合或台蓋16與側蓋8的上面8a及帶狀的密封帶23的間隙小於預定尺寸的場合,滑動片37與側蓋8的上面8a及帶狀的密封帶23之間的滑動阻力會增加,會產生發熱或耐久性降低的問題。 Conversely, when the size of the sliding piece 37 is larger than a predetermined size or the gap between the top cover 16 and the upper surface 8a of the side cover 8 and the band-shaped sealing tape 23 is smaller than a predetermined size, the sliding piece 37 and the upper surface 8a of the side cover 8 and The sliding resistance between the band-shaped sealing tapes 23 is increased, and there is a problem that heat generation or durability is lowered.
為此,本實施形態是以凸部16g和凹部16h所成的連續山形作為台蓋16與滑動片37的接觸面,形成可吸收零件的尺寸誤差或零件的組合誤差的構造。 Therefore, in the present embodiment, the continuous mountain shape formed by the convex portion 16g and the concave portion 16h serves as a contact surface between the table cover 16 and the sliding piece 37, and a structure in which the dimensional error of the component or the combination error of the components can be absorbed is formed.
其次,說明吸收零件的尺寸誤差及零件的組合誤差的作用。 Next, the effect of the dimensional error of the absorbing part and the combination error of the parts will be explained.
如第11圖表示,台蓋16和滑動片37的接觸面為平面的場合,可吸收上下方向的尺寸誤差為僅是滑動片37本身的彈力而已,因此在壓縮方向產生誤差的場合,滑動片37的整體會被壓縮產生反彈力,在此反彈力的狀態下會導致滑動阻力的增加。 As shown in Fig. 11, when the contact surface of the cover 16 and the slide piece 37 is flat, the dimensional error that can absorb the up-and-down direction is only the elastic force of the slide piece 37 itself. Therefore, in the case where an error occurs in the compression direction, the slide piece The overall 37 will be compressed to produce a rebound force, which will cause an increase in sliding resistance.
這是如第10圖表示,將台蓋16與滑動片37的接觸面形成凸部16g和凹部16h所成的連續山形時,即使在壓縮方向產生誤差的場合,被壓縮的滑動片37的一部份會朝著凹部16h退開,可形成滑動片37本身彈力以上的變形。 This is shown in Fig. 10. When the contact surface between the table cover 16 and the slide piece 37 is formed into a continuous mountain shape formed by the convex portion 16g and the concave portion 16h, even when an error occurs in the compression direction, one of the compressed slide pieces 37 is formed. Some of the portions are retracted toward the recessed portion 16h, and deformation of the sliding piece 37 itself may be formed.
並且,先將滑動片37稍微壓縮的狀態下預先進行安裝時,即使間隙擴開的場合,仍可封閉滑動片37和側蓋8的上面8a及帶狀的密封帶23的間隙。 Further, when the sliding piece 37 is first mounted in a state of being slightly compressed, the gap between the sliding piece 37 and the upper surface 8a of the side cover 8 and the band-shaped sealing tape 23 can be closed even when the gap is widened.
因此,即使零件的尺寸誤差或零件的組合誤差大的場合,也可以防止塵埃的侵入,不需提高成本可獲得確實的防塵效果。 Therefore, even if the dimensional error of the component or the combination error of the component is large, the intrusion of dust can be prevented, and a reliable dustproof effect can be obtained without increasing the cost.
接著,針對形成於台蓋16與滑動片37之接觸面的山形數量及山的高度依據說明如下。 Next, the number of mountain shapes and the height of the mountain formed on the contact surface of the table cover 16 and the slide piece 37 will be described below.
從實驗的結果,可確認山的數量是以軸向4~6個山、寬度方向是以3~4個山為佳,山的高度則是以滑動片37的高度為基準考量,壓縮率是以5~15%為佳,在該值以上時,增加摩擦而降低發熱及持久性,會導致直動裝置之滑動阻力的增加。 From the results of the experiment, it can be confirmed that the number of mountains is 4 to 6 mountains in the axial direction, 3 to 4 mountains in the width direction, and the height of the mountain is based on the height of the sliding plate 37. The compression ratio is It is preferably 5 to 15%. When the value is higher than this value, the friction is increased to reduce the heat generation and the durability, which may cause an increase in the sliding resistance of the linear motion device.
在此,壓縮率(%)為1-(H-D)/H×100。式中,H 是表示為滑動片37的高度、D是表示滑動片37以蓋16的山壓縮後的量,該等的關係表示於第12圖。 Here, the compression ratio (%) is 1-(H-D)/H×100. Where, H It is shown as the height of the slide piece 37, and D is the amount which the slide piece 37 is compressed by the mountain of the cover 16, and these relationship is shown by FIG.
並且,只圍繞一片細長板狀的滑動片37***收容部16f所成的四邊溝槽,可進行滑動片37的安裝,滑動片37的安裝簡單。另外,接縫也沒有特別加以黏接的必要,以一片滑動片37製作,有利於成本及製造上。 Further, the four-side groove formed by the accommodating portion 16f is inserted around only one of the elongated plate-shaped sliding sheets 37, so that the sliding piece 37 can be attached, and the sliding piece 37 can be easily attached. In addition, the seams are not particularly required to be bonded, and are produced by a single slide piece 37, which is advantageous for cost and manufacture.
再者,上述實施形態是針對圍繞一片的細長板狀滑動片37***收容部16f所成四邊溝槽的場合說明,但本發明不限於此。 Further, in the above embodiment, the case where the four-side groove formed by the accommodating portion 16f is inserted around one of the elongated plate-shaped sliding sheets 37 is described, but the present invention is not limited thereto.
例如,如第13圖表示,本實施形態涉及的直進裝置使用壁掛的場合,只要帶狀的密封帶23不附著有塵埃,只要將滑動片37安裝在兩密封帶側接觸面37b,即可防止塵埃的進入。 For example, as shown in Fig. 13, when the straight-feeding device according to the present embodiment is used for wall hanging, if the belt-shaped sealing tape 23 does not adhere to dust, the sliding piece 37 can be prevented by being attached to the two sealing tape side contact faces 37b. The entry of dust.
另外,如第13圖表示,本實施形態涉及的直進裝置使用平放的場合,由於塵埃容易殘留於帶狀的密封帶23上,即使只在台12的移動方向前後面板16c安裝滑動片37,仍可防止塵埃的侵入。 In addition, as shown in Fig. 13, when the straight-feeding device according to the present embodiment is used in a flat position, dust is likely to remain on the belt-shaped sealing tape 23, and even if the sliding piece 37 is attached to the front and rear panels 16c in the moving direction of the table 12, It can still prevent the intrusion of dust.
如第13圖表示,減少滑動片37的安裝處,可降低滑動阻力。 As shown in Fig. 13, by reducing the mounting portion of the slide piece 37, the sliding resistance can be reduced.
但是,空間內飄揚著粉末狀物的環境中,如上述實施形態涉及的直動裝置,以圍繞一片的細長板狀的滑動片37***收容部16f所成的四邊溝槽為佳。 However, in the environment in which the powder is flying in the space, the linear motion device according to the above embodiment is preferably inserted into the four-sided groove formed by the accommodating portion 16f around the one piece of the elongated plate-shaped sliding piece 37.
並且,上述實施形態是針對將一片滑動片37安裝在台蓋16的場合說明,但本發明不限於此,例如,如第14 圖表示,也可以在台12的下面和台蓋16的收容部16f同樣設置滑動片37的收容部。 Further, although the above embodiment has been described with respect to the case where one slide piece 37 is attached to the table cover 16, the present invention is not limited thereto, for example, as the 14th. As shown in the figure, the accommodating portion of the slide piece 37 may be provided on the lower surface of the table 12 in the same manner as the accommodating portion 16f of the table cover 16.
又,滑動片37的安裝是如對台蓋16的安裝所述,也可以是全周圍或僅一部分。 Further, the mounting of the slide piece 37 is as described for the mounting of the table cover 16, and may be all around or only a part.
另外,上述實施形態是針對以台蓋16和滑動片37的接觸面為凸部16g及凹部16h所成連續山形的場合已作說明,但是本發明不限於此,例如台蓋16與滑動片37的接觸面也可以台蓋16為平面而滑動片37為山形。 Further, in the above embodiment, the case where the contact surface of the table cover 16 and the slide piece 37 is a continuous mountain shape in which the convex portion 16g and the concave portion 16h are formed is described. However, the present invention is not limited thereto, for example, the cover 16 and the slide piece 37. The contact surface may also have the cover 16 as a flat surface and the slide piece 37 in a mountain shape.
另外,上述實施形態是針對以台蓋16和滑動片37的接觸面為凸部16g及凹部16h所成連續山形的場合已作說明,但是本發明不限於此,例如台蓋16與滑動片37的接觸面也可是以平滑的曲線連結的波形,或僅凸部16g部分。 Further, in the above embodiment, the case where the contact surface of the table cover 16 and the slide piece 37 is a continuous mountain shape in which the convex portion 16g and the concave portion 16h are formed is described. However, the present invention is not limited thereto, for example, the cover 16 and the slide piece 37. The contact faces may also be waveforms that are connected by a smooth curve, or only the portion of the convex portion 16g.
此外,上述實施形態是針對以台蓋16和滑動片37的接觸面為凸部16g及凹部16h所成連續山形的場合已作說明,但是本發明不限於此,例如也可以在收容部16f設置彈簧,以彈簧按壓滑動片37。 In the above embodiment, the contact surface between the table cover 16 and the slide piece 37 is a continuous mountain shape in which the convex portion 16g and the concave portion 16h are formed. However, the present invention is not limited thereto, and for example, the storage portion 16f may be provided. The spring presses the slide piece 37 with a spring.
又,上述實施形態是針對圍繞一片細長板狀的滑動片37***收容部16f所成四邊溝槽的場合已作說明,但本發明不限於此,例如也可以四邊分割連接成無間隙。 Further, the above-described embodiment has been described in the case where the four-side grooves formed in the accommodating portion 16f are inserted around the one-strip-shaped sliding sheet 37. However, the present invention is not limited thereto, and for example, it may be divided into four sides without gaps.
另外,上述實施形態是針對使用磁鐵片7吸附帶狀的密封帶23的場合已作說明,但是本發明不限於此,例如也可使用具有自黏性的材料。此時,帶狀的密封帶23不限於磁性材料,也可以是非磁性材料等其他的材料。再 者,具有自黏性的材料例如有矽膠、聚氨基甲酸乙酯或黏著材塗層後的聚氨基甲酸乙酯等。 In the above embodiment, the case where the strip-shaped sealing tape 23 is adsorbed by the magnet piece 7 has been described. However, the present invention is not limited thereto, and for example, a self-adhesive material may be used. At this time, the strip-shaped sealing tape 23 is not limited to a magnetic material, and may be another material such as a non-magnetic material. again The self-adhesive material is, for example, silicone, polyurethane or polyurethane coated with an adhesive.
又,上述實施形態是針對將設置密封帶引導部16j的台蓋16安裝在台12的場合已作說明,但是本發明不限於此,例如第14圖表示,也可以省略台蓋16,在台12的長方向前後面一體設置密封帶引導部12e。 Further, in the above embodiment, the case where the table cover 16 provided with the seal tape guide portion 16j is attached to the table 12 has been described. However, the present invention is not limited thereto. For example, as shown in Fig. 14, the table cover 16 may be omitted. The seal belt guide portion 12e is integrally provided in the front and rear of the longitudinal direction of 12.
第15圖至第18圖是表示本發明第2實施形態所涉及的直動裝置。 15 to 18 are views showing a linear motion device according to a second embodiment of the present invention.
直動裝置是為了獲得台12的抗負荷的增加而增長台12的長度。 The linear motion device is for increasing the length of the table 12 in order to obtain an increase in the load resistance of the table 12.
但是,第1實施形態涉及的直動裝置中,一旦要增加台12的抗負荷時,台12會如第3圖表示,在長方向的兩側形成側蓋8進入的凹部12c,在台12會形成縮頸部12d,有降低台12的強度之虞。 However, in the linear motion device according to the first embodiment, when the load resistance of the table 12 is to be increased, the table 12 is formed as shown in Fig. 3, and the concave portion 12c into which the side cover 8 enters is formed on both sides in the longitudinal direction. The constricted portion 12d is formed, which reduces the strength of the table 12.
因此,本實施形態可藉著增長台12的長度增加縮頸部12d的剖面積來增加台12的抗負荷。 Therefore, in the present embodiment, the load resistance of the table 12 can be increased by increasing the sectional area of the constricted portion 12d by the length of the growth stage 12.
並且,一旦增長通過台12上側的帶狀的密封帶23的彎曲部23a時,僅設置在台12兩端的密封帶引導部16j,會因為帶狀的密封帶23的上面跨廣範圍接觸台蓋16的內側,導致因摩擦而產生滑動阻力或零件的磨損。 Further, when the curved portion 23a of the strip-shaped sealing tape 23 on the upper side of the stage 12 is grown, only the seal band guide portion 16j provided at both ends of the stage 12 may be in contact with the cover plate over the wide area of the band-shaped seal band 23 The inside of the 16 causes sliding resistance or wear of the parts due to friction.
為此,本實施形態所涉及的直動裝置串聯連結2個滑動塊11配置的同時,在設置於台12兩端的密封帶引導部 16j中央位置的台蓋16內側追加密封帶引導部16k。 Therefore, the linear motion device according to the present embodiment is connected to the two sliding blocks 11 in series, and the sealing tape guides provided at both ends of the table 12 are provided. A seal band guide portion 16k is added to the inside of the table cover 16 at the center of 16j.
其他的構成是和使用1個滑動塊11的第1實施形態涉及的直動裝置相同。 The other configuration is the same as the linear motion device according to the first embodiment in which one slide block 11 is used.
接著,本實施形態中,針對以在台12的中央位置設置密封帶引導部16k為佳的理由說明如下。 Next, in the present embodiment, the reason why the seal band guide portion 16k is provided at the center position of the table 12 is preferably described below.
a.為防止滑動塊11移動時之彎曲部23a的偏移,必須將彎曲部23a均等分成2個。因此,中間的密封帶引導部16k是以設置在台12兩端的密封帶引導部16j的中央附近為佳。 a. In order to prevent the deflection of the curved portion 23a when the slider 11 is moved, it is necessary to equally divide the curved portion 23a into two. Therefore, the intermediate seal band guide portion 16k is preferably in the vicinity of the center of the seal band guide portion 16j provided at both ends of the stage 12.
b.為防止滑動塊11移動時之彎曲部23a的偏移,必須將彎曲部23a均等分成2個。因此,中間的密封帶引導部16k的下面是以低於分成2個彎曲部23a的頂點的位置為佳。 b. In order to prevent the deflection of the curved portion 23a when the slider 11 is moved, it is necessary to equally divide the curved portion 23a into two. Therefore, the lower surface of the intermediate seal band guide portion 16k is preferably a position lower than the apex divided into the two bent portions 23a.
c.為防止帶狀的密封帶23兩側附近的劣化,中間的密封帶引導部16k的寬度是以和設置在台12兩端的密封帶導部16j的寬度相同,相對於帶狀的密封帶23的寬度50~80%為佳。 c. In order to prevent deterioration in the vicinity of both sides of the strip-shaped sealing tape 23, the width of the intermediate sealing tape guiding portion 16k is the same as the width of the sealing tape guide portion 16j provided at both ends of the table 12, with respect to the band-shaped sealing tape The width of 23 is preferably 50~80%.
再者,密封帶引導部16k的前端部是如第18圖表示,與設置在密封帶引導部16j前端部的倒角16j’同樣,為了避開對帶狀的密封帶23的面接觸降低帶狀的密封帶23的負荷,可賦予其持久性等,設置倒角16k’,減少與帶狀的密封帶23的磨損。 Further, the front end portion of the seal tape guide portion 16k is as shown in Fig. 18, and the surface contact reducing belt for the band-shaped seal tape 23 is removed in the same manner as the chamfer 16j' provided at the front end portion of the seal tape guide portion 16j. The load of the sealing tape 23 can be imparted with durability, etc., and a chamfer 16k' is provided to reduce wear of the band-shaped sealing tape 23.
另外,本實施形態針對將滑動塊11分成2個串聯連結配置的場合已作說明,但是本發明不僅限於此,也可以 增長1個滑動塊11的全長。 Further, in the present embodiment, the case where the slider 11 is divided into two series connection arrangements has been described, but the present invention is not limited thereto. The total length of one sliding block 11 is increased.
並且,本實施形態針對使用滾珠螺桿3作為致動器的場合已作說明,但是本發明不僅限於此,例如也可以使用流體的汽缸或線性馬達。 Further, although the present embodiment has been described with respect to the case where the ball screw 3 is used as the actuator, the present invention is not limited thereto, and for example, a fluid cylinder or a linear motor may be used.
1‧‧‧馬達 1‧‧‧Motor
2‧‧‧托架 2‧‧‧ bracket
7‧‧‧磁鐵 7‧‧‧ Magnet
8‧‧‧側蓋 8‧‧‧ side cover
10‧‧‧螺桿軸 10‧‧‧ Screw shaft
12a‧‧‧突起部 12a‧‧‧Protruding
16‧‧‧台蓋 16‧‧‧Table cover
16a‧‧‧上面板 16a‧‧‧Upper panel
16b‧‧‧側面板 16b‧‧‧ side panel
16c‧‧‧前後面板 16c‧‧‧ front and rear panels
20‧‧‧開口部 20‧‧‧ openings
23‧‧‧帶狀的密封帶 23‧‧‧Striped sealing tape
30a‧‧‧螺絲 30a‧‧‧screw
Claims (4)
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JP2009146043 | 2009-06-19 | ||
JP2010005086A JP5417190B2 (en) | 2009-06-19 | 2010-01-13 | Linear motion device |
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TW201527666A TW201527666A (en) | 2015-07-16 |
TWI564493B true TWI564493B (en) | 2017-01-01 |
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TW104110045A TWI564493B (en) | 2009-06-19 | 2010-06-17 | Straight moving device |
TW104110044A TWI568954B (en) | 2009-06-19 | 2010-06-17 | Straight moving device |
TW099119698A TWI516692B (en) | 2009-06-19 | 2010-06-17 | Straight moving device |
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TW104110044A TWI568954B (en) | 2009-06-19 | 2010-06-17 | Straight moving device |
TW099119698A TWI516692B (en) | 2009-06-19 | 2010-06-17 | Straight moving device |
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JP (1) | JP5417190B2 (en) |
CN (2) | CN103904819B (en) |
TW (3) | TWI564493B (en) |
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TWI458902B (en) * | 2012-05-02 | 2014-11-01 | Academia Sinica | Linear actuating module |
CN104750106A (en) * | 2013-12-30 | 2015-07-01 | 鸿富锦精密工业(深圳)有限公司 | Single axis robot |
CN104842340B (en) * | 2015-03-17 | 2019-08-27 | 上海云永自动化科技有限公司 | A kind of dust-proof straight line slide unit |
CN106981944B (en) * | 2017-05-11 | 2019-08-06 | 中国美术学院 | Linear drive apparatus |
CN110878796B (en) * | 2018-09-05 | 2021-09-03 | 上银科技股份有限公司 | Low-dust-emission linear module |
US10935075B2 (en) | 2018-10-22 | 2021-03-02 | Hiwin Technologies Corp. | Low dust linear module |
KR102127198B1 (en) * | 2018-11-01 | 2020-06-29 | 하이윈 테크놀로지스 코포레이션 | Low dust linear module |
KR200492867Y1 (en) * | 2019-04-09 | 2020-12-24 | 하이윈 테크놀로지스 코포레이션 | Low dust linear module |
KR200492107Y1 (en) * | 2019-05-17 | 2020-08-10 | 하이윈 테크놀로지스 코포레이션 | Dustproof assembly for linear actuator |
CN112475940A (en) * | 2020-10-30 | 2021-03-12 | 苏州舍勒智能科技有限公司 | Embedded sliding module with adjustable horizontal angle |
CN114310461A (en) * | 2021-12-30 | 2022-04-12 | 广东普拉迪科技股份有限公司 | Lead screw protective structure |
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JP4005248B2 (en) * | 1998-12-28 | 2007-11-07 | 株式会社アイエイアイ | Actuator |
US6588289B2 (en) * | 2001-07-06 | 2003-07-08 | Danaher Motion Technology, Llc | Linear actuator with protective guide chassis enclosing the lead screw |
JP4515801B2 (en) * | 2004-03-31 | 2010-08-04 | ケーエスエス株式会社 | Electric linear actuator |
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JP4871542B2 (en) * | 2005-07-28 | 2012-02-08 | アスモ株式会社 | Linear actuator |
WO2008056380A1 (en) * | 2006-11-06 | 2008-05-15 | El.More S.R.L. | Linear actuator |
CN201090699Y (en) * | 2007-07-27 | 2008-07-23 | 北京石油化工学院 | Lead screw anti-dust device |
KR100893943B1 (en) * | 2008-10-06 | 2009-05-04 | 주식회사 알파로보틱스 | Hermetic band combination structure of linear robot |
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- 2010-01-13 JP JP2010005086A patent/JP5417190B2/en active Active
- 2010-06-17 CN CN201410091571.0A patent/CN103904819B/en active Active
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- 2010-06-17 TW TW104110045A patent/TWI564493B/en active
- 2010-06-17 TW TW104110044A patent/TWI568954B/en active
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JPH0333041U (en) * | 1989-08-11 | 1991-04-02 | ||
JP2002340126A (en) * | 2001-05-17 | 2002-11-27 | Howa Mach Ltd | Reciprocating actuator |
Also Published As
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TW201100671A (en) | 2011-01-01 |
CN104265851B (en) | 2017-04-12 |
JP2011021744A (en) | 2011-02-03 |
TW201527665A (en) | 2015-07-16 |
CN103904819A (en) | 2014-07-02 |
JP5417190B2 (en) | 2014-02-12 |
CN104265851A (en) | 2015-01-07 |
TWI516692B (en) | 2016-01-11 |
CN103904819B (en) | 2017-07-04 |
TW201527666A (en) | 2015-07-16 |
TWI568954B (en) | 2017-02-01 |
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