CN102853050A - Long-stroke linear module - Google Patents

Long-stroke linear module Download PDF

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Publication number
CN102853050A
CN102853050A CN2011101802773A CN201110180277A CN102853050A CN 102853050 A CN102853050 A CN 102853050A CN 2011101802773 A CN2011101802773 A CN 2011101802773A CN 201110180277 A CN201110180277 A CN 201110180277A CN 102853050 A CN102853050 A CN 102853050A
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CN
China
Prior art keywords
slide unit
pedestal
belt
fixing part
linear module
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Application number
CN2011101802773A
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Chinese (zh)
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CN102853050B (en
Inventor
彭琮文
辛亚恬
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Hiwin Technologies Corp
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Hiwin Technologies Corp
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Priority to CN201110180277.3A priority Critical patent/CN102853050B/en
Publication of CN102853050A publication Critical patent/CN102853050A/en
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Publication of CN102853050B publication Critical patent/CN102853050B/en
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Abstract

The invention discloses a long-stroke linear module. The long-stroke linear module consists of a base, a linear slide rail, a ball screw, a front sliding table, a back sliding table, a fixing rod, a front belt wheel, a back belt wheel, a belt, a middle sliding table and a cover plate. By means of composition, the sliding distance with two times of strokes of a sliding table can be achieved by using one ball screw, namely a long-stroke function can be achieved by utilizing a screw with half length and the belt so as to reduce the screw material cost and the difficulty in the manufacture procedure and the correction difficulty and simultaneously avoid the possibility of screw swinging.

Description

Long stroke linear module
Technical field
The present invention is relevant with linear module, refers to especially a kind of long stroke linear module.
Background technique
Consult shown in Figure 1, the stereogram of known linear module, it mainly is provided with a ball screw 12 and a linear slide rail 13 at a pedestal 11 and drives and guide a platform 14 linear reciprocation and move.Wherein ball screw 12 comprises a screw rod 121 and a nut that can move back and forth 122, and linear slide rail 13 comprises two slide rails 131 and a plurality of slide block 132 that is slidedly arranged on each slide rail 131, and platform 14 is fixedly arranged on nut 122 and the slide block 132.The mode that the general linear module drives platform 14 is to connect an end that drives screw rod 121 by power plant (not showing on the figure), so that rotating to drive nut 122, screw rod 121 moves back and forth, and then platform 14 is moved back and forth, simultaneously because of slide block 132 along slide rail 131 move make platform 14 reposefully linear reciprocation move.
Yet, in case the stroke of linear module is very long, just need the ball screw 12 of relative length to be with moving platform 14, make and long bolt 121 needs more material and become original, also be not easy in the manufacturing, processing procedure difficulty, because the weight of screw rod 121 itself is sagging so that adjustment difficult, the relation because of slenderness ratio during rotation might cause whipping assembling in.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of long stroke linear module, can reduce the degree of difficulty of cost of material, processing procedure degree of difficulty and the correction of screw rod, avoids simultaneously the possibility of screw rod whipping.
For solving the problems of the technologies described above, a kind of long stroke linear module that the invention provides comprises: a pedestal; One linear slide rail comprises two slide rails that are fixedly arranged on pedestal that are parellel, is slidedly arranged on front-slider on each slide rail, rear slider, and the middle slide block between forward and backward slide block; One ball screw comprises and one is located at pivotally pedestal and the screw rod between two slide rails, and one is driven by described screw rod and reciprocatingly be located at nut on the screw rod; One front slide unit is located on nut and each front-slider; One rear slide unit is located on each rear slider; One fixing rod has the second end that a first end and that is arranged in front slide unit is in reverse to first end and is arranged in rear slide unit; One front belt pulley is hubbed at front slide unit; One rear belt pulley is hubbed at rear slide unit; One belt is set around between the forward and backward belt pulley, and has first fixing part that is fixed in pedestal, and second fixing part that is positioned at the first fixing part top; Slide unit in one is located on the second fixing part of slide block and belt in each, and has a table top and be positioned at the fixing part of table top both sides.
The present invention also provides a kind of long stroke linear module, comprises: a pedestal; One ball screw comprises a screw rod of being located at pivotally pedestal, and one is driven by described screw rod and reciprocatingly be located at nut on the screw rod; One front slide unit is located on the nut, and has a plurality of front wheels that contact with pedestal; One rear slide unit is located on the pedestal, and has a plurality of rear rollers that contact with pedestal; One fixing rod has the second end that a first end and that is arranged in front slide unit is in reverse to first end and is arranged in rear slide unit; One front belt pulley is hubbed at front slide unit; One rear belt pulley is hubbed at rear slide unit; One belt is set around between the forward and backward belt pulley, and has first fixing part that is fixed in pedestal, and second fixing part that is positioned at the first fixing part top; Slide unit in one is located on the second fixing part of belt and is had a table top, is arranged in fixing part, and a plurality of rollers that contact with pedestal of table top both sides.
Long stroke linear module provided by the present invention mainly utilizes the screw rod of half length and the function that belt reaches long stroke, can greatly reduce the cost of material of screw rod, and reduces the degree of difficulty of processing procedure degree of difficulty and correction, avoids simultaneously the possibility of screw rod whipping.
Description of drawings
The present invention is further detailed explanation below in conjunction with accompanying drawing and embodiment:
Fig. 1 is the stereogram of known linear module;
Fig. 2 is the three-dimensional exploded view of first embodiment of the invention;
Fig. 3 is the three-dimensional combination figure of first embodiment of the invention, shows the assembled state except cover plate;
Fig. 4 is another visual angle three-dimensional combination figure of first embodiment of the invention, shows the assembled state except pedestal and cover plate;
Fig. 5 is the combination worm's eye view of first embodiment of the invention, shows the assembled state except pedestal;
Fig. 6 is the combination plan view of first embodiment of the invention, shows the assembled state except cover plate;
Fig. 7 is the combination section of first embodiment of the invention;
Fig. 8 is the action diagram of first embodiment of the invention, shows the operating state except cover plate;
Fig. 9 is the action diagram of first embodiment of the invention, the state before, during and after the demonstration after the slide unit displacement;
Figure 10 is the combination section of second embodiment of the invention;
Figure 11 is the action diagram of second embodiment of the invention, the state before, during and after the demonstration after the slide unit displacement.
Wherein description of reference numerals is as follows:
Pedestal 11 ball screws 12
Screw rod 121 nuts 122
Linear slide rail 13 slide rails 131
Slide block 132 platforms 14
Pedestal 20,20a length are to X
Fixed block 21
Linear slide rail 30 slide rails 31
Front-slider 32 rear sliders 33
Middle slide block 34
Ball screw 40,40a screw rod 41
Nut 42,42a
Front slide unit 51,51a group are established section 511
Forward wing 512 front pivot grooves 513
Front wheel 514a
Alar part 521 behind rear slide unit 52, the 52a
Rear pivot groove 522 rear roller 523a
Middle slide unit 53,53a table top 531,531a
Roller 533a among fixing part 532, the 532a
Middle slide unit belt fixed plate 54
Front support roller 55
Rear support roller 56
Fixing rod 60,60a first end 61
The second end 62
Pivot 711 before front belt pulley 71, the 71a
Front wheele part 712
Pivot 721 behind rear belt pulley 72, the 72a
Trailing wheel section 722
Belt 73 first fixing parts 731
The second fixing part 732,732a
Pedestal belt fixed plate 74
Cover plate 80
Embodiment
Consult Fig. 2 to shown in Figure 7, a kind of long stroke linear module that first embodiment of the invention provides, it mainly is comprised of slide unit 53 and a cover plate 80 in a pedestal 20, a linear slide rail 30, a ball screw 40, a front slide unit 51, a rear slide unit 52, a fixing rod 60, a front belt pulley 71, a rear belt pulley 72, the belt 73.
Pedestal 20, have one long to X, and one be positioned at long near to X in the middle of the fixed block 21 at place.
Linear slide rail 30, comprise along pedestal 20 long to X and be parellel two slide rails 31 that are fixedly arranged on pedestal 20, be slidedly arranged on a front-slider 32 on each slide rail 31, a rear slider 33, and between forward and backward slide block 32,33 two in slide block 34.Because linear slide rail 30 be known members, and group establishes mode and manner of execution all with known identical, non-design focal point of the present invention, so no longer describe in detail for detailed structure and the manner of execution of this member.
Ball screw 40 comprises one long to X and be located at pivotly pedestal 20 and the screw rod 41 between two slide rails 31, and one driven by screw rod 41 and can reciprocatingly be located at nut 42 on the screw rod 41 along pedestal 20.Because ball screw 40 is known members, and group is established mode and manner of execution all with known identical, non-design focal point of the present invention, therefore detailed structure and the manner of execution for this member no longer describes in detail, different is, the present invention is into about being long half to X length of pedestal 20 with the Design of length of screw rod 41.
Front slide unit 51 has front a group of supplying nut 42 spiral shells to establish and establishes section 511,32 groups of forward wings of establishing 512 of two confession front-sliders, reaches a front pivot groove 513.
Rear slide unit 52 has 33 groups of rear alar parts 521 of establishing of two confession rear sliders, reaches a rear pivot groove 522.
Fixing rod 60 has the second end 62 that a first end 61 and that is arranged in front slide unit 51 is in reverse to first end 61 and is arranged in rear slide unit 52, makes forward and backward slide unit 51,52 produce equally spaced displacement.
Front belt pulley 71 is hubbed at front slide unit 51, and has the front wheele part 712 that a front pivot 711 and that is hubbed at front pivot groove 513 is run through by front pivot 711.
Rear belt pulley 72 is hubbed at rear slide unit 52, and has the trailing wheel section 722 that a rear pivot 721 and that is hubbed at rear pivot groove 522 is run through by rear pivot 721.
Belt 73 is set around between the trailing wheel section 722 of the front wheele part 712 of front belt pulley 71 and rear belt pulley 72, and has first fixing part 731 that is fixed in pedestal 20, and second fixing part 732 that is positioned at the first fixing part 731 tops.Wherein, the first fixing part 731 is fixed in the fixed block 21 of pedestal 20 by a pedestal belt fixed plate 74.
Middle slide unit 53 is located on the second fixing part 732 of slide block 34 and belt 73 in each and is had a table top 531 and be positioned at the fixing part 532 of table top 531 both sides.Wherein, middle slide unit 53 is fixed thereon by second fixing part 731 of slide unit belt fixed plate 54 in belt 73.
Cover plate 80 is located at pedestal 20 and hides linear slide rail 30, ball screw 40, front slide unit 51, rear slide unit 52, fixing rod 60, belt 73, and the table top 531 of middle slide unit 53, and the fixing part 532 of middle slide unit 53 exposes outside the cover plate 80, establishes for other device groups.
The above is structure and the configuration explanation thereof of each main member of first embodiment of the invention.Please refer to the following description as for manner of execution of the present invention and effect.
Consult Fig. 3, Fig. 6 to shown in Figure 9, when screw rod 41 1 ends connect are driven by power plant (not showing on the figure) and when rotating in the original place, slide unit 51 was at screw rod 41 and slide rail 31 top offsets before nut 42 drove, and the front slide unit 51 after the displacement more can drive rear slide unit 52 and 53 displacements of middle slide unit synchronously, and namely the distance of middle slide unit 53 and 52 displacements of rear slide unit is that nut 42 is in the distance of screw rod 41 top offsets.In addition, be provided with belt 73 and middle slide unit 53 by forward and backward slide unit 51,52 and be fixedly arranged on design on the belt 73, forward and backward slide unit 51,52 is in the process of displacement, belt 73 displacement that can rotate, so that slide unit 53 and again displacement in belt 73 pulling, therefore, the actual displacement of middle slide unit 53 distance adds that for the shift length of the front slide unit 51 of nut 42 drives belt 73 rotates the distance of slide unit 53 displacements in the pulling.
Accordingly, the transmission stroke that the present invention needs only needs pedestal 20 long to the about screw rod 41 of half length of X, in the processing procedure of screw rod 41, short screw is half of long bolt material requested, short screw is also than being easier in the manufacturing, and is smooth and easy, directly spend and to install short screw all convenient than long bolt, and cost and the time of saving are many, and whipping and sagging situation can not occur in screw rod 41, so do not need to support.Therefore, the present invention reaches the degree of difficulty of the cost of material, processing procedure degree of difficulty and the correction that reduce screw rod really, avoids simultaneously the possible purpose of screw rod whipping.
Consult Fig. 3, Fig. 6, shown in Figure 7, front slide unit 51 of the present invention has a front support roller 55 that contacts with cover plate 80, rear slide unit 52 has a rear support roller 56 that contacts with cover plate 80, and be equipped with fixing rod 60 between the forward and backward slide unit 51,52, so that the distance of back and front supporting roller 55,56 contact cover plates 60 is constant.Therefore, the forward and backward slide unit 51,52 in the long stroke linear module of the present invention can support cover plate 80, avoids cover plate 80 sagging.
Consult shown in Figure 10, a kind of long stroke linear module that second embodiment of the invention provides, it mainly is comprised of pedestal 20a, ball screw 40a, front slide unit 51a, rear slide unit 52a, fixing rod 60a, front belt pulley 71a, rear belt pulley 72a, belt 73a, middle slide unit 53a and cover plate, because its configuration, effect and purpose are same as the first embodiment, therefore do not repeat them here, its action after as shown in figure 11.Be as for the second embodiment and first embodiment's difference:
Front slide unit 51a is located on the nut 42a, and has a plurality of front wheel 514a that contact with pedestal 20a;
Rear slide unit 52a is located on the pedestal 20a, and has a plurality of rear roller 523a that contact with pedestal 20a;
Middle slide unit 53a is located at the second fixing part 732a of belt 73a and has a table top 531a, is arranged in fixing part 532a, and a plurality of roller 533a that contact with pedestal 20a of table top 531a both sides.
By this, directly front wheel 514a that front slide unit 51a arranges, on the middle slide unit 53a middle roller 533a, and rear slide unit 52a on rear roller 523a replace linear slide rail among the first embodiment, use and reach another and can implement state.
In sum, above-mentioned two specific embodiments and accompanying drawing are preferred embodiment of the present invention, be not to limit the present invention, anyly know above operator, within not breaking away from spirit of the present invention and scope, every equalization of doing according to the present patent application claim changes and modifies, and all belongs to the scope that patent of the present invention contains.

Claims (10)

1. one kind long stroke linear module is characterized in that, comprises:
One pedestal;
One linear slide rail comprises two slide rails that are fixedly arranged on pedestal that are parellel, is slidedly arranged on front-slider on each slide rail, rear slider, and the middle slide block between forward and backward slide block;
One ball screw comprises and one is located at pivotally pedestal and the screw rod between two slide rails, and one is driven by described screw rod and reciprocatingly be located at nut on the screw rod;
One front slide unit is located on nut and each front-slider;
One rear slide unit is located on each rear slider;
One fixing rod has the second end that a first end and that is arranged in front slide unit is in reverse to first end and is arranged in rear slide unit;
One front belt pulley is hubbed at front slide unit;
One rear belt pulley is hubbed at rear slide unit;
One belt is set around between the forward and backward belt pulley, and has first fixing part that is fixed in pedestal, and second fixing part that is positioned at the first fixing part top;
Slide unit in one is located on the second fixing part of slide block and belt in each, and has a table top and be positioned at the fixing part of table top both sides.
2. long stroke linear module as claimed in claim 1, it is characterized in that, described front slide unit has front a group of establishing for the nut spiral shell and establishes the front pivot groove that forward wing that section, two establishes for the front-slider group and is pivoted for front belt pulley, and described rear slide unit has the two rear alar parts of establishing for the rear slider group, an and rear pivot groove that is pivoted for rear belt pulley.
3. long stroke linear module as claimed in claim 1, it is characterized in that, described pedestal has a fixed block, and the first fixing part of described belt is fixed in fixed block by a pedestal belt fixed plate, and the second fixing part of belt is fixed in middle slide unit by slide unit belt fixed plate in.
4. long stroke linear module as claimed in claim 1 is characterized in that, also comprises a cover plate, is located at the table top of described pedestal and covering linear slide rail, ball screw, front slide unit, rear slide unit, fixing rod, belt and middle slide unit.
5. long stroke linear module as claimed in claim 4 is characterized in that, described front slide unit has a front support roller that contacts with cover plate, and rear slide unit has a rear support roller that contacts with cover plate.
6. one kind long stroke linear module is characterized in that, comprises:
One pedestal;
One ball screw comprises a screw rod of being located at pivotally pedestal, and one is driven by described screw rod and reciprocatingly be located at nut on the screw rod;
One front slide unit is located on the nut, and has a plurality of front wheels that contact with pedestal;
One rear slide unit is located on the pedestal, and has a plurality of rear rollers that contact with pedestal;
One fixing rod has the second end that a first end and that is arranged in front slide unit is in reverse to first end and is arranged in rear slide unit;
One front belt pulley is hubbed at front slide unit;
One rear belt pulley is hubbed at rear slide unit;
One belt is set around between the forward and backward belt pulley, and has first fixing part that is fixed in pedestal, and second fixing part that is positioned at the first fixing part top;
Slide unit in one is located on the second fixing part of belt and is had a table top, is arranged in fixing part, and a plurality of rollers that contact with pedestal of table top both sides.
7. long stroke linear module as claimed in claim 6, it is characterized in that, described front slide unit has front a group of establishing for the nut spiral shell and establishes the front pivot groove that forward wing that section, two establishes for the front-slider group and is pivoted for front belt pulley, and described rear slide unit has the two rear alar parts of establishing for the rear slider group, an and rear pivot groove that is pivoted for rear belt pulley.
8. long stroke linear module as claimed in claim 6, it is characterized in that, described pedestal has a fixed block, and the first fixing part of described belt is fixed in fixed block by a pedestal belt fixed plate, and the second fixing part of belt is fixed in middle slide unit by slide unit belt fixed plate in.
9. long stroke linear module as claimed in claim 6 is characterized in that, also comprises a cover plate, is located at described pedestal and hides linear slide rail, ball screw, front slide unit, rear slide unit, fixing rod, belt, and the table top of middle slide unit.
10. long stroke linear module as claimed in claim 9 is characterized in that, described front slide unit has a front support roller that contacts with cover plate, and rear slide unit has a rear support roller that contacts with cover plate.
CN201110180277.3A 2011-06-29 2011-06-29 Long-stroke linear module Active CN102853050B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110180277.3A CN102853050B (en) 2011-06-29 2011-06-29 Long-stroke linear module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110180277.3A CN102853050B (en) 2011-06-29 2011-06-29 Long-stroke linear module

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CN102853050A true CN102853050A (en) 2013-01-02
CN102853050B CN102853050B (en) 2015-04-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105202020A (en) * 2014-06-17 2015-12-30 上银科技股份有限公司 Linear module provided with supporting device
CN110040443A (en) * 2019-04-03 2019-07-23 苏州优备精密智能装备股份有限公司 Again away from conveying device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2263465A (en) * 1992-01-09 1993-07-28 Link Miles Ltd Electrically powered actuator
US5720202A (en) * 1994-09-28 1998-02-24 Iai Corporation Actuator
JP2005249120A (en) * 2004-03-05 2005-09-15 Thk Co Ltd Linear actuator
CN201372364Y (en) * 2009-03-26 2009-12-30 咸阳蓝博机械有限公司 External driving guide rail device with aluminum alloy heald frame
TW201100661A (en) * 2009-06-26 2011-01-01 Hiwin Tech Corp Lubricating oil passage device of linear transmission module
TWM405325U (en) * 2010-11-30 2011-06-11 Hiwin Tech Corp Linear module with belt regulation device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2263465A (en) * 1992-01-09 1993-07-28 Link Miles Ltd Electrically powered actuator
US5720202A (en) * 1994-09-28 1998-02-24 Iai Corporation Actuator
JP2005249120A (en) * 2004-03-05 2005-09-15 Thk Co Ltd Linear actuator
CN201372364Y (en) * 2009-03-26 2009-12-30 咸阳蓝博机械有限公司 External driving guide rail device with aluminum alloy heald frame
TW201100661A (en) * 2009-06-26 2011-01-01 Hiwin Tech Corp Lubricating oil passage device of linear transmission module
TWM405325U (en) * 2010-11-30 2011-06-11 Hiwin Tech Corp Linear module with belt regulation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105202020A (en) * 2014-06-17 2015-12-30 上银科技股份有限公司 Linear module provided with supporting device
CN110040443A (en) * 2019-04-03 2019-07-23 苏州优备精密智能装备股份有限公司 Again away from conveying device

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