CN112855767A - Rodless cylinder - Google Patents
Rodless cylinder Download PDFInfo
- Publication number
- CN112855767A CN112855767A CN202110225073.0A CN202110225073A CN112855767A CN 112855767 A CN112855767 A CN 112855767A CN 202110225073 A CN202110225073 A CN 202110225073A CN 112855767 A CN112855767 A CN 112855767A
- Authority
- CN
- China
- Prior art keywords
- guide
- rodless cylinder
- block
- sliding block
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 22
- 239000003921 oil Substances 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/005—Guide rails or tracks for a linear bearing, i.e. adapted for movement of a carriage or bearing body there along
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- 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
- F16C29/02—Sliding-contact bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
Abstract
The invention discloses a rodless cylinder, which comprises a cylinder body and a sliding block movably connected to the cylinder body and capable of moving along the axial direction of the cylinder body, wherein the top surface of the sliding block is horizontal, a pair of supporting convex strips symmetrically positioned at two sides of the sliding block is arranged on the side top wall of the cylinder body along the axial direction of the sliding block, two sides of the sliding block are respectively detachably connected with a guide installation block, the top surface of the guide installation block is flush with the top surface of the sliding block, a guide groove capable of accommodating the supporting convex strips is formed in the opposite part of the guide installation block and the supporting convex strips, and a guide strip which is always tightly attached to and matched. The invention solves the technical problem of how to effectively improve the loading capacity of the rodless cylinder and ensure the stable operation of the rodless cylinder, and has the advantages of large load, stable operation, high operation accuracy, long service life and the like.
Description
Technical Field
The invention relates to the technical field of cylinders, in particular to a rodless cylinder.
Background
The rodless cylinder is a driving device, and is widely applied to the field of machinery due to the advantages of light weight, simple structure, small occupied space and the like. The existing rodless cylinder is composed of a cylinder and a sliding block which is movably connected to the upper portion of the cylinder and can move axially along the cylinder body, and the structure is obvious, so that the loading force of the rodless cylinder is related to the loading area of the sliding block and the bending strength of the sliding block, the loading area of the sliding block is small, the bending strength is weak, the loading capacity of the rodless cylinder is small, the sliding block is easy to shake left and right during operation due to the lack of a mechanism for guiding the operation of the sliding block, the operation is not stable, and the operation accuracy of the rodless cylinder is low and the service life is short.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is how to effectively improve the loading capacity of the rodless cylinder and ensure the stable operation of the rodless cylinder.
In order to solve the technical problem, the invention provides a rodless cylinder which comprises a cylinder body and a sliding block movably connected to the cylinder body and capable of moving along the axial direction of the cylinder body, wherein the top surface of the sliding block is horizontal, a pair of supporting convex strips symmetrically positioned at two sides of the sliding block are arranged on the side top wall of the cylinder body along the axial direction of the sliding block, two sides of the sliding block are respectively detachably connected with a guide installation block, the top surface of the guide installation block is flush with the top surface of the sliding block, a guide groove capable of accommodating the supporting convex strips is formed in the part, opposite to the supporting convex strips, of the guide installation block, and a guide strip which is always tightly attached to and matched with the supporting convex strips is detachably.
In one embodiment of the invention, a pressing plate vertically positioned in the guide groove is tightly connected to a surface of the guide strip departing from the support convex strip, a plurality of screw holes are transversely arranged side by side at a part of the guide mounting block opposite to the pressing plate, a set screw is connected with each screw hole in a threaded manner, one end of each set screw is tightly abutted to the pressing plate, and the other end of each set screw extends out of the guide mounting block.
In one embodiment of the invention, the guide strip is provided with a hollow interlayer, lubricating oil is filled in the hollow interlayer, a plurality of oil outlets communicated with the hollow interlayer are respectively arranged on the surfaces of the guide strip, which are attached to the support convex strips, and the middle part of the guide mounting block is provided with an oil injection nozzle communicated with the hollow interlayer.
In one embodiment of the invention, the diameter of the oil outlet hole is 0.6mm-1.2 mm.
In an embodiment of the invention, two ends of the guide mounting block are provided with sealing covers which are used for opening and closing the guide grooves and provided with felts, and the felts are matched and attached with the supporting convex strips.
In one embodiment of the present invention, the cylinder and the support rib are integrally formed.
In one embodiment of the invention, the slider is threadedly coupled to the guide mounting block.
In one embodiment of the invention, said support ribs are coated with a lubricious wear resistant coating.
In one embodiment of the invention, the thickness of the lubricating wear-resistant coating is 50um-150 um.
In one embodiment of the invention, the support rib is V-shaped.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the supporting convex strips which are symmetrically arranged on the two sides of the sliding block are arranged on the side top wall of the cylinder body along the axial direction, and the two sides of the sliding block are respectively connected with the guide installation blocks, wherein the top surface of each guide installation block is level with the top surface of each guide installation block and is always tightly attached to the supporting convex strips, so that the rodless cylinder is large in load capacity, stable in operation, high in operation accuracy and long in service life.
2. The fit mode of the set screw and the pressing plate enables the guide mounting block to be attached to the support convex strip through the guide strip, so that the tightness is controllable, and the smooth operation of the rodless cylinder is guaranteed.
3. The guide strip which is attached to the support convex strip is set to be of a structure capable of automatically discharging oil when the rodless cylinder runs, so that friction between the support convex strip and the guide strip is effectively reduced, and the rodless cylinder is convenient to use and long in service life.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
the specification reference numbers indicate: 1. the cylinder body, 2, slider, 3, support sand grip, 4, direction installation piece, 41, guide slot, 5, gib block, 6, clamp plate.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1, 2, 3 and 4, a rodless cylinder includes a cylinder body 1 and a slide block 2 movably connected to the cylinder body 1 and capable of moving along the axial direction of the cylinder body 1, the top surface of the slide block 2 is horizontal, a pair of support ribs 3 symmetrically located at two sides of the slide block 2 are arranged on the side top wall of the cylinder body 1 along the axial direction, and in this embodiment, the support ribs 3 are V-shaped. The both sides of slider 2 are detachably connected with direction installation piece 4 respectively, and in this embodiment, slider 2 and direction installation piece 4 threaded connection. The top surface of the guide mounting block 4 is flush with the top surface of the slider 2, and a guide groove 41 capable of accommodating the support protruding strip 3 is formed in a portion opposite to the support protruding strip 3, in this embodiment, the guide groove 41 is U-shaped and penetrates through the guide mounting block 4 in the axial direction of the cylinder body 1. The guide groove 41 is internally detachably connected with a guide strip 5 which is always closely attached to and matched with the support convex strip 3. In this embodiment, make this rodless cylinder's load area big through the setting of connecting direction installation piece 4 in slider 2's both sides, and make direction installation piece 4 closely laminate all the time on the support sand grip 3 of 1 both sides roof of cylinder body through the setting of gib block 5, make not only strengthened slider 2's bending strength, and can lead and guarantee the stationarity of slider 2 operation simultaneously to slider 2's operation, thereby realized effectively improving rodless cylinder's load-carrying capacity, and can guarantee its steady operation's technological effect.
In a preferred embodiment of the invention, the guide strip 5 is made to fit snugly on the support rib 3 by: the face of gib block 5 deviating from to support sand grip 3 is connected with vertical clamp plate 6 that is located guide slot 41, and the relative portion of direction installation piece 4 and clamp plate 6 transversely is equipped with a plurality of screw holes side by side, and every screw hole female connection has a holding screw, and the one end of holding screw supports tightly with clamp plate 6, and the other end stretches out direction installation piece 4. The tightness between the guide strip 5 and the support convex strip 3 can be adjusted by screwing the set screw, so that the smoothness of the operation of the rodless cylinder is ensured.
In a preferred embodiment of the present invention, the guiding strip 5 has a hollow interlayer filled with lubricating oil, and the guiding strip 5 has a plurality of oil outlets communicating with the hollow interlayer on the surface thereof abutting against the supporting convex strip 3, wherein the diameter of the oil outlets is 0.6mm to 1.2mm in this embodiment. An oil injection nozzle communicated with the hollow interlayer is arranged in the middle of the guide mounting block 4. Set up like this and make when slider 2 moves, the gib block 5 can go out oil automatically to effectively reduced the friction between support sand grip 3 and the gib block 5, reached convenient to use and long service life's effect.
In a preferred embodiment of the present invention, the two ends of the guide mounting block 4 are provided with sealing covers for opening and closing the guide slots 41 and having felt, and the felt is fit with the support ribs 3, so that not only can the support ribs 3 be uniformly coated with lubricating oil, but also the problem of pollution caused by oil leakage is effectively avoided.
In a preferred embodiment of the present invention, the cylinder body 1 and the support ribs 3 are integrally formed, which makes the present rodless cylinder more compact and strong.
In a preferred embodiment of the present invention, the support ribs 3 are coated with a lubricating wear-resistant coating having a thickness of 50um to 150um, so that the friction between the support ribs 3 and the guide strips 5 and between the slider 2 and the cylinder body 1 is effectively reduced, the smoothness of operation is ensured, and the service life is prolonged.
In conclusion, the pair of support convex strips 3 symmetrically positioned at two sides of the sliding block 2 are axially arranged on the side top wall of the cylinder body 1, the two sides of the sliding block 2 are respectively connected with the guide installation blocks 4 of which the top surfaces are level with the top surfaces of the support convex strips and are always tightly attached to the support convex strips 3, and the guide installation blocks 4 can be always tightly attached to the support convex strips 3 through the guide strips 5 in a matching mode of tight screws and the pressing plate 6, so that the rodless cylinder has the advantages of large load capacity, smooth and stable operation, high operation accuracy, long service life and the like.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110225073.0A CN112855767A (en) | 2021-03-01 | 2021-03-01 | Rodless cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110225073.0A CN112855767A (en) | 2021-03-01 | 2021-03-01 | Rodless cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112855767A true CN112855767A (en) | 2021-05-28 |
Family
ID=75990683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110225073.0A Pending CN112855767A (en) | 2021-03-01 | 2021-03-01 | Rodless cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112855767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898634A (en) * | 2021-09-16 | 2022-01-07 | 无锡能手工控科技有限公司 | High-precision repeated-positioning mechanical brake type rodless cylinder and operation method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3020097A (en) * | 1960-04-26 | 1962-02-06 | Bullard Co | Bearing gib |
| CH383701A (en) * | 1959-11-12 | 1964-10-31 | Maegerle Ag Geb | Guide device on parts of work devices that are to be displaced against each other during the work process |
| US4877338A (en) * | 1987-06-03 | 1989-10-31 | Linjar Transportteknik I Stockholm Ab | Guide arrangement in a linear power unit |
| JPH0635644U (en) * | 1992-10-12 | 1994-05-13 | 日本精工株式会社 | Linear motion slide guide bearing device |
| JP2006029412A (en) * | 2004-07-14 | 2006-02-02 | Nippon Thompson Co Ltd | Static pressure linear motion guide unit |
| US20070234832A1 (en) * | 2006-03-30 | 2007-10-11 | Smc Kabushiki Kaisha | Electric actuator |
| US7371009B1 (en) * | 2004-06-30 | 2008-05-13 | J.H. Fletcher & Co. | Split gib mounting arrangement for drilling components |
| JP2011241866A (en) * | 2010-05-14 | 2011-12-01 | Smc Corp | Linear actuator |
| CN205001277U (en) * | 2015-05-12 | 2016-01-27 | 无锡市欧士嘉自动化设备有限公司 | Novel mechanical contact formula rodless cylinder |
| CN214578336U (en) * | 2021-03-01 | 2021-11-02 | 无锡能手工控科技有限公司 | Rodless cylinder |
-
2021
- 2021-03-01 CN CN202110225073.0A patent/CN112855767A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH383701A (en) * | 1959-11-12 | 1964-10-31 | Maegerle Ag Geb | Guide device on parts of work devices that are to be displaced against each other during the work process |
| US3020097A (en) * | 1960-04-26 | 1962-02-06 | Bullard Co | Bearing gib |
| US4877338A (en) * | 1987-06-03 | 1989-10-31 | Linjar Transportteknik I Stockholm Ab | Guide arrangement in a linear power unit |
| JPH0635644U (en) * | 1992-10-12 | 1994-05-13 | 日本精工株式会社 | Linear motion slide guide bearing device |
| US7371009B1 (en) * | 2004-06-30 | 2008-05-13 | J.H. Fletcher & Co. | Split gib mounting arrangement for drilling components |
| JP2006029412A (en) * | 2004-07-14 | 2006-02-02 | Nippon Thompson Co Ltd | Static pressure linear motion guide unit |
| US20070234832A1 (en) * | 2006-03-30 | 2007-10-11 | Smc Kabushiki Kaisha | Electric actuator |
| JP2011241866A (en) * | 2010-05-14 | 2011-12-01 | Smc Corp | Linear actuator |
| CN205001277U (en) * | 2015-05-12 | 2016-01-27 | 无锡市欧士嘉自动化设备有限公司 | Novel mechanical contact formula rodless cylinder |
| CN214578336U (en) * | 2021-03-01 | 2021-11-02 | 无锡能手工控科技有限公司 | Rodless cylinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898634A (en) * | 2021-09-16 | 2022-01-07 | 无锡能手工控科技有限公司 | High-precision repeated-positioning mechanical brake type rodless cylinder and operation method |
| CN113898634B (en) * | 2021-09-16 | 2024-05-14 | 能手模组技术(无锡)有限公司 | High-precision repeated positioning mechanical brake type rodless cylinder and operation method |
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