CN113027918A - Single-rail cross sliding table assembly - Google Patents
Single-rail cross sliding table assembly Download PDFInfo
- Publication number
- CN113027918A CN113027918A CN202110408677.9A CN202110408677A CN113027918A CN 113027918 A CN113027918 A CN 113027918A CN 202110408677 A CN202110408677 A CN 202110408677A CN 113027918 A CN113027918 A CN 113027918A
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- China
- Prior art keywords
- guide rail
- ball screw
- driving motor
- monorail
- stroke
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
-
- 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
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a monorail crossed sliding table assembly which comprises a single guide rail arranged in a cross shape, wherein the single guide rail comprises a first guide rail arranged horizontally and transversely and a second guide rail arranged horizontally and longitudinally, the first guide rail and the second guide rail are integrally arranged to form a whole, a first sliding block sliding along the set direction of the first guide rail is arranged on the first guide rail, a second sliding block sliding along the set direction of the second guide rail is arranged on the second guide rail, the first sliding block and the second sliding block form a crossed motion on the whole single guide rail, and a wire cutting machine comprises the monorail crossed sliding table. Through the mode, the single cross-shaped guide rail and the two sliding blocks are adopted to form the cross-shaped sliding table, the structure is optimized, the space volume is small, the operation is stable, the rigidity is good, the deformation can be reduced, the external positioning and locking device is reduced, the repetition precision is improved, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of automation, in particular to a monorail cross sliding table assembly.
Background
The cross sliding table is a combined sliding table formed by combining two groups of linear sliding tables according to the X-axis direction and the Y-axis direction, is mainly applied to automatic production, and can be produced and applied in the industries of aerospace, war industry, machinery, electronics, light industry and the like.
The traditional cross sliding table adopts a hard rail or a dovetail carriage to slide, so that the occupied space is large, the repetition precision is not high, and the installation and maintenance are difficult; the traditional cross sliding table adopts two groups of linear rails and double sliding blocks, the processing and installation requirements are high, and the stroke waste is great; the traditional cross sliding table adopts a common threaded screw rod and a direct connection, and is low in repetition precision and low in speed.
Disclosure of Invention
The invention mainly solves the technical problem of providing a single-rail cross sliding table assembly, which adopts a single cross guide rail and two sliding blocks to form a cross-shaped moving sliding table, optimizes the structure, has small space volume, stable operation and good rigidity, can reduce the deformation, reduces an external positioning and locking device, improves the repetition precision and prolongs the service life.
In order to solve the technical problems, the invention adopts a technical scheme that: a monorail cross slide assembly is provided comprising: the single guide rail that is the cross setting, the single guide rail include horizontal transverse arrangement's first guide rail and horizontal longitudinal arrangement's second guide rail, and first guide rail and second guide rail are the integration and set up and form a whole, are provided with on the first guide rail along the gliding first slider of first guide rail set direction, are provided with on the second guide rail along the gliding second slider of second guide rail set direction, and first slider and second slider form the cross motion on whole single guide rail.
In a preferred embodiment of the invention, the plate of the central portion of the first rail is common to the plate of the central portion of the second rail.
In a preferred embodiment of the invention, the first guide rail is hollow to form a first cavity, and a first large-stroke ball screw pair is arranged along the length direction of the first cavity; the second guide rail is hollow to form a second cavity, and a second large-stroke ball screw pair is arranged along the length direction of the second cavity.
In a preferred embodiment of the present invention, the arrangement direction of the first large-stroke ball screw pair and the arrangement direction of the second large-stroke ball screw pair are arranged in a cross shape with each other.
In a preferred embodiment of the present invention, the first large-stroke ball screw assembly includes a first ball screw and a first ball nut, the first ball nut is connected to the first ball screw in a matching manner and slides along the first ball screw in an axial direction, the first slider is fixedly connected with the first ball nut, and the first slider slides in the axial direction along with the rotation of the first ball nut on the first ball screw.
In a preferred embodiment of the present invention, the second large-stroke ball screw assembly includes a second ball screw and a second ball nut, the second ball nut is fittingly connected to the second ball screw and slides axially along the second ball screw, the second slider is fixedly connected to the second ball nut, and the second slider slides axially along with the rotation of the second ball nut on the second ball screw.
In a preferred embodiment of the present invention, a power input end of the first large-stroke ball screw pair is connected to a first driving mechanism, the first driving mechanism includes a first driving motor and a first driving motor bearing seat, the first driving motor bearing seat is disposed on a front side end face of the first guide rail and is in fit connection with the first ball screw, the first driving motor is mounted on the first driving motor bearing seat, a first single bearing seat is disposed on a rear side end face of the first guide rail, one end of the first ball screw is connected to the first driving motor through a coupling, and the other end of the first ball screw is mounted on the first single bearing seat through a bearing.
In a preferred embodiment of the present invention, a power input end of the second large-stroke ball screw pair is connected to a second driving mechanism, the second driving mechanism includes a second driving motor and a second driving motor bearing seat, the second driving motor bearing seat is disposed on a front side end face of the second guide rail and is in fit connection with the second ball screw, the second driving motor is mounted on the second driving motor bearing seat, a second single bearing seat is disposed on a rear side end face of the second guide rail, one end of the second ball screw is connected to the second driving motor through a coupling, and the other end of the second ball screw is mounted on the second single bearing seat through a bearing.
In a preferred embodiment of the invention, the first guide rail and the first sliding block are matched by using double-row ball bearings, convex raceways are arranged on two sides of the first guide rail, inner walls on two sides of the first sliding block are tightly matched with the convex raceways of the first guide rail, and front and rear side end faces of the first sliding block are pressed tightly by the first floating scraper blade; the second guide rail and the second sliding block are matched by double-row ball bearings, convex roller paths are arranged on two sides of the second guide rail, inner walls on two sides of the second sliding block are tightly matched with the convex roller paths of the second guide rail, and front and rear end faces of the second sliding block are tightly pressed by the second floating scraper.
In a preferred embodiment of the present invention, the first large-stroke ball screw assembly drives the first slide block to horizontally move along the first guide rail through the first driving mechanism, and the second large-stroke ball screw assembly drives the second slide block to horizontally move along the second guide rail through the second driving mechanism.
The invention has the beneficial effects that: the single-rail cross sliding table assembly adopts a single cross guide rail and two sliding blocks to form a cross-shaped moving sliding table, the single guide rail is hollow, and a large-stroke ball screw pair is mounted in the single guide rail, so that the single-rail cross sliding table assembly is good in rigidity, small in deformation, high in moving speed and high in repetition precision; the structure is optimized, the space volume is small, external positioning and locking devices are reduced, the operation is stable, the positioning is accurate, the lubrication is reduced, the maintenance is avoided, and the service life is prolonged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of the monorail cross slide assembly of the present invention;
FIG. 2 is an exploded view of a preferred embodiment of the monorail cross slide assembly of the present invention;
FIG. 3 is a schematic structural view of a preferred embodiment of a single guide rail in the monorail cross slide assembly of the present invention;
FIG. 4 is a front view of a preferred embodiment of the monorail cross slide assembly of the present invention;
FIG. 5 is a sectional view taken along line A-A of FIG. 4;
FIG. 6 is a sectional view taken along line B-B of FIG. 4;
the parts in the drawings are numbered as follows: 100. a single guide rail, 110, a first guide rail, 111, a first cavity, 120, a second guide rail, 121, a second cavity,
200. a first large-stroke ball screw pair, 210, a first ball screw, 220, a first ball nut, 300, a second large-stroke ball screw pair, 310, a second ball screw, 320, a second ball nut, 400, a first slider, 410, a first floating scraper, 500, a second slider, 510, a second floating scraper,
600. first actuating mechanism, 610, first driving motor, 620, first driving motor bearing frame, 630, first single bearing frame, 700, second actuating mechanism, 710, second driving motor, 720, second driving motor bearing frame, 730, second single bearing frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, an embodiment of the present invention includes:
a monorail cross sliding table assembly comprises a single guide rail 100 which is arranged in a cross shape, wherein the single guide rail 100 comprises a first guide rail 110 and a second guide rail 120, the first guide rail 110 and the second guide rail 120 are horizontally and transversely arranged, a plate of the central portion of the first guide rail 110 and a plate of the central portion of the second guide rail 120 are shared, and the first guide rail 110 and the second guide rail 120 are integrally arranged to form a whole.
Further, a first cavity 111 is formed in the first guide rail 110 in a hollow manner, and a first large-stroke ball screw assembly 200 is arranged along the length direction of the first cavity 111; a second cavity 121 is formed in the second guide rail 120 in a hollow manner, and a second large-stroke ball screw assembly 300 is arranged along the length direction of the second cavity 121; the arrangement direction of the first large-stroke ball screw pair 200 and the arrangement direction of the second large-stroke ball screw pair 300 are arranged in a cross shape.
The first guide rail 110 is provided with a first slider 400 connected with the first large-stroke ball screw pair 200, the second guide rail 120 is provided with a second slider 500 connected with the second large-stroke ball screw pair 300, the first slider 400 slides along the first guide rail 110 in a given direction under the driving of the first large-stroke ball screw pair 200, the second slider 500 slides along the second guide rail 120 in a given direction under the driving of the second large-stroke ball screw pair 300, and the first slider 400 and the second slider 500 form a cross motion on the whole single guide rail 100.
In the invention, the single guide rail 100 arranged in a cross shape and two sliding blocks form a cross-shaped sliding table, so that the rigidity is good, the deformation is small, and the precision is improved.
Further, the first large-stroke ball screw pair 200 includes a first ball screw 210 and a first ball nut 220, the first ball nut 220 is connected to the first ball screw 210 in a matching manner and slides axially along the first ball screw 210, the first slider 400 is fixedly connected to the first ball nut 220, the first slider 400 slides axially along with the rotation of the first ball nut 220 on the first ball screw 210, and the first large-stroke ball screw pair 200 drives the first slider 400 to move horizontally and transversely along the first guide rail 110.
The second large-stroke ball screw assembly 300 includes a second ball screw 310 and a second ball nut 320, the second ball nut 320 is connected to the second ball screw 310 in a matching manner and slides axially along the second ball screw 310, the second slider 500 is fixedly connected to the second ball nut 320, the second slider 500 slides axially along with the rotation of the second ball nut 320 on the second ball screw 310, and the second large-stroke ball screw assembly 300 drives the second slider 500 to move horizontally and longitudinally along the second guide rail 120.
Further, the power input end of the first large-stroke ball screw pair 200 is connected to the first driving mechanism 600, and the first driving mechanism 600 includes a first driving motor 610 and a first driving motor bearing seat 620:
the first driving motor bearing seat 620 is disposed on a front end surface of the first guide rail 110 and is connected to the first ball screw 210 in a matching manner, the first driving motor 610 is mounted on the first driving motor bearing seat 620, a first single bearing seat 630 is disposed on a rear end surface of the first guide rail 110, one end of the first ball screw 210 is connected to the first driving motor 610 through a coupling, and the other end of the first ball screw 210 is mounted on the first single bearing seat 630 through a bearing.
The power input end of the second large-stroke ball screw pair 300 is connected with a second driving mechanism 700, and the second driving mechanism 700 comprises a second driving motor 710 and a second driving motor bearing seat 720:
the second driving motor bearing seat 720 is arranged on the front end face of the second guide rail 120 and is in fit connection with the second ball screw 310, the second driving motor 710 is installed on the second driving motor bearing seat 720, the rear end face of the second guide rail 120 is provided with a second single bearing seat 730, one end of the second ball screw 310 is connected with the second driving motor 710 through a coupler, and the other end of the second ball screw 310 is installed on the second single bearing seat 730 through a bearing.
The first guide rail 110 and the first slider 400 are matched by using double-row ball bearings, and the second guide rail 120 and the second slider 500 are matched by using double-row ball bearings, so that the load capacity of the guide rails can be improved.
Convex roller paths are arranged on two sides of the first guide rail 110, inner walls on two sides of the first slider 400 are tightly matched with the convex roller paths of the first guide rail 110, and front and back side end faces of the first slider 400 are tightly pressed through the first floating scraper 410; convex raceways are arranged on two sides of the second guide rail 120, inner walls of two sides of the second slider 500 are tightly matched with the convex raceways of the second guide rail 120, and front and rear end faces of the second slider 500 are pressed by the second floating scraper 510, so that an external positioning and locking device is reduced.
The self-aligning guide rail has the advantages that the firm guide rail with the convex roller path and the firm steel sliding block with the side face matched pressing and floating scraper can improve the load capacity and keep the self-aligning function, and the self-aligning guide rail is high in positioning accuracy, small in abrasion, suitable for high-speed movement and greatly reduced in driving power;
the device has the advantages of no vibration during starting, no creeping phenomenon during low-speed movement, capability of eliminating gaps after applying preload, improved rigidity, automatic centering and installation base surface error compensation, high overall movement precision and ideal reliability in dirty and dirty complex environments.
The working process of the monorail cross sliding table assembly comprises the following steps:
starting a first driving motor 610 and a second driving motor 710, wherein the first driving motor 610 drives the first large-stroke ball screw pair 200 to rotate, and drives the first slider 400 to horizontally and transversely move along the first guide rail 110;
the second driving motor 710 drives the second large-stroke ball screw assembly 300 to rotate, and drives the second slider 500 to horizontally and longitudinally move along the second guide rail 120.
The monorail cross sliding table assembly has the beneficial effects that:
a single cross guide rail and two sliding blocks are adopted to form a cross-shaped moving sliding table, the single guide rail is hollow, and a large-stroke ball screw pair is mounted in the single guide rail, so that the rigidity is good, the deformation is small, the moving speed is high, and the repetition precision is high;
the structure is optimized, external positioning and locking devices are reduced, the space volume is small, the operation is stable, the positioning is accurate, the lubrication is reduced, the maintenance is avoided, and the service life is prolonged.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A monorail cross slide assembly, comprising: the single guide rails are arranged in a cross shape and comprise a first guide rail arranged horizontally and transversely and a second guide rail arranged horizontally and longitudinally, the first guide rail and the second guide rail are integrally arranged to form a whole,
the first guide rail is provided with a first sliding block which slides along the set direction of the first guide rail, the second guide rail is provided with a second sliding block which slides along the set direction of the second guide rail, and the first sliding block and the second sliding block form cross motion on the whole single guide rail.
2. The monorail cross slide assembly of claim 1, wherein the plate of the first guide rail central portion is common to the plate of the second guide rail central portion.
3. The monorail cruciform slide table assembly of claim 1, wherein the first guide rail is hollow to form a first cavity, and a first large-stroke ball screw pair is arranged along the length direction of the first cavity; the second guide rail is hollow to form a second cavity, and a second large-stroke ball screw pair is arranged along the length direction of the second cavity.
4. The monorail cross slide assembly of claim 3, wherein the arrangement direction of the first large-stroke ball screw pair and the arrangement direction of the second large-stroke ball screw pair are arranged in a cross-like manner.
5. The monorail crosshead assembly of claim 4, wherein the first large stroke ball screw assembly includes a first ball screw and a first ball nut, the first ball nut is cooperatively connected to and axially slides along the first ball screw, the first slider block is fixedly connected to the first ball nut, and the first slider block axially slides along with the rotational movement of the first ball nut on the first ball screw.
6. The monorail crosshead assembly of claim 4, wherein the second large-stroke ball screw assembly includes a second ball screw and a second ball nut, the second ball nut is cooperatively connected to the second ball screw and slides axially along the second ball screw, the second slider is fixedly connected to the second ball nut, and the second slider slides axially with the rotational movement of the second ball nut on the second ball screw.
7. The monorail cross slide assembly of claim 1, wherein a power input end of the first large-stroke ball screw pair is connected to a first drive mechanism, the first drive mechanism comprises a first drive motor and a first drive motor bearing block,
the first driving motor bearing seat is arranged on the front end face of the first guide rail and is matched and connected with the first ball screw, the first driving motor is arranged on the first driving motor bearing seat, the rear end face of the first guide rail is provided with a first single bearing seat,
one end of the first ball screw is connected with a first driving motor through a coupler, and the other end of the first ball screw is installed on a first single bearing seat through a bearing.
8. The monorail cross slide assembly of claim 7, wherein a power input end of the second large-stroke ball screw pair is connected to a second drive mechanism, the second drive mechanism comprises a second drive motor and a second drive motor bearing seat,
the second driving motor bearing seat is arranged on the front end face of the second guide rail and is matched and connected with the second ball screw, the second driving motor is arranged on the second driving motor bearing seat, the rear end face of the second guide rail is provided with a second single bearing seat,
one end of the second ball screw is connected with a second driving motor through a coupler, and the other end of the second ball screw is installed on a second single bearing seat through a bearing.
9. The monorail cross slide table assembly of claim 8, wherein the first guide rail and the first slide block are engaged by a double row of ball bearings, the first guide rail has convex raceways on both sides, inner walls on both sides of the first slide block are tightly engaged with the convex raceways of the first guide rail, and front and rear side end faces of the first slide block are pressed by the first floating scraper;
the second guide rail and the second sliding block are matched by double-row ball bearings, convex roller paths are arranged on two sides of the second guide rail, inner walls on two sides of the second sliding block are tightly matched with the convex roller paths of the second guide rail, and front and rear end faces of the second sliding block are tightly pressed by the second floating scraper.
10. The monorail cross slide assembly of claim 8, wherein the first large-stroke ball screw pair drives the first slide block to move horizontally and laterally along the first guide rail via the first drive mechanism, and the second large-stroke ball screw pair drives the second slide block to move horizontally and longitudinally along the second guide rail via the second drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110408677.9A CN113027918A (en) | 2021-04-16 | 2021-04-16 | Single-rail cross sliding table assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110408677.9A CN113027918A (en) | 2021-04-16 | 2021-04-16 | Single-rail cross sliding table assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113027918A true CN113027918A (en) | 2021-06-25 |
Family
ID=76457771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110408677.9A Withdrawn CN113027918A (en) | 2021-04-16 | 2021-04-16 | Single-rail cross sliding table assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN113027918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428594A (en) * | 2021-07-23 | 2021-09-24 | 力行亲和机器人科技(西安) 有限公司 | Running robot structure for narrow space |
-
2021
- 2021-04-16 CN CN202110408677.9A patent/CN113027918A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428594A (en) * | 2021-07-23 | 2021-09-24 | 力行亲和机器人科技(西安) 有限公司 | Running robot structure for narrow space |
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Application publication date: 20210625 |
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