CN113685438A - High-damping type safe linear guide rail assembly - Google Patents
High-damping type safe linear guide rail assembly Download PDFInfo
- Publication number
- CN113685438A CN113685438A CN202110836292.2A CN202110836292A CN113685438A CN 113685438 A CN113685438 A CN 113685438A CN 202110836292 A CN202110836292 A CN 202110836292A CN 113685438 A CN113685438 A CN 113685438A
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- China
- Prior art keywords
- guide rail
- sliding block
- linear guide
- seat
- fixedly connected
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- 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.)
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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
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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
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a high-damping type safe linear guide rail assembly which comprises a guide rail and a sliding block, wherein an opening is formed in the upper side wall of the guide rail, the sliding block comprises an inner sliding block and a connecting part, the inner sliding block is connected in the guide rail in a sliding mode, the connecting part extends out of the opening, two groups of roller grooves are respectively formed in the top and the bottom of the inner sliding block, a group of roller grooves are also formed in the left side wall and the right side wall of the inner sliding block, sliding rollers are rotatably connected in the roller grooves in the top and the bottom, guide rollers are rotatably connected in the roller grooves in the lateral direction, a buffer seat is fixedly connected with the rear end of the guide rail, a cylindrical air cavity is formed in the buffer seat, and a one-way valve is arranged at the top of the air cavity. The invention has the advantages of reasonable design, high stability, good buffering effect and long service life.
Description
Technical Field
The invention relates to the technical field of linear guide rails, in particular to a high-damping type safe linear guide rail assembly.
Background
Linear guides (linear slider) can be divided into: the roller linear guide rail, the cylindrical linear guide rail and the ball linear guide rail are used for supporting and guiding a moving part to do reciprocating linear motion in a given direction. Depending on the nature of the massage device, the linear motion guide rails can be divided into sliding friction guide rails, rolling friction guide rails, elastic friction guide rails, fluid friction guide rails, and the like.
The linear guide rail moves to support and guide the moving part to reciprocate linearly in a given direction. Depending on the nature of the massage device, the linear motion guide rails can be divided into sliding friction guide rails, rolling friction guide rails, elastic friction guide rails, fluid friction guide rails, and the like. The linear bearing is mainly used in the automatic machines such as machine tools, bending machines, laser welding machines and the like imported from Germany, and the linear bearing and the linear shaft are matched. The linear guide rail is mainly used on a mechanical structure with higher precision requirement, and rolling steel balls are used between a moving element and a fixed element of the linear guide rail without using an intermediate medium.
At present, the existing linear guide rail has large impact force when braking, and the precision and the service life of the guide rail are influenced, so that a novel high-damping guide rail is needed to overcome the defects.
Disclosure of Invention
The present invention is directed to a high damping safety linear guide assembly to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-damping type safe linear guide rail assembly comprises a guide rail and a slide block, wherein an opening is formed in the upper side wall of the guide rail, the slide block comprises an inner slide block and a connecting part, the inner slide block is connected in the guide rail in a sliding manner, the connecting part extends out of the opening, two groups of roller grooves are respectively formed in the top and the bottom of the inner slide block, a group of roller grooves are also formed in the left side wall and the right side wall of the inner slide block, sliding rollers are rotatably connected in the roller grooves in the top and the bottom, guide rollers are rotatably connected in the roller grooves in the side direction, a buffer seat is fixedly connected at the rear end of the guide rail, a cylindrical air cavity is arranged in the buffer seat, a check valve is arranged at the top of the air cavity, a piston column is connected in the air cavity in a sliding manner, a connecting column is fixedly connected at the front end of the piston column, a contact seat is fixedly connected at the front end of the connecting column, and a spring is sleeved on the connecting column, the front end of the air cavity is fixedly connected with a front limiting seat, and two ends of the spring are respectively connected to the contact seat and the front limiting seat in an abutting mode.
Preferably, the rear end of the air cavity is fixedly connected with a rear limiting seat, and the rear limiting seat is connected with an air plug in a sliding mode.
Preferably, the front end and the rear end of the air plug are respectively fixedly connected with an air plug seat, and the rear side wall of the front side air plug seat is bonded with a sealing ring.
Preferably, a seal ring groove is formed in a rear side wall of the front side plug seat, and the seal ring is placed in the seal ring groove.
Preferably, a pair of sealing rings are bonded to the circumferential outer surface of the piston post.
Preferably, a pair of sealing ring grooves are formed in the circumferential outer wall of the piston column, and the sealing rings are clamped in the sealing ring grooves.
Preferably, the front end of the connecting column is fixedly connected with a stop seat, and the front end of the spring is sleeved on the stop seat.
Preferably, a rubber pad is bonded on the front end face of the contact base.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the guide roller guides the sliding block, so that the sliding block is prevented from being excessively rubbed, and when the sliding block moves to the tail end, the buffer seat buffers the braking of the sliding block, so that the impact force is reduced; during braking, the air in the spring contraction and the air cavity is compressed rapidly, the larger resistance along with the compression amount is, the gas in the air cavity is discharged through the one-way valve in the compression process, and the rebound of the guide rail is avoided. The contact seat is made of magnetic materials, and the contact seat and the sliding block are adsorbed and move along with the sliding block to complete reset in the process that the sliding block is far away from the buffer seat; the air plug is opened under the negative pressure in the resetting process, and air enters from the rear end of the air cavity. The invention has the advantages of reasonable design, high stability, good buffering effect and long service life.
Drawings
FIG. 1 is a schematic structural view of a high damping type safety linear guide assembly;
FIG. 2 is a schematic view of a buffer seat in a high damping type safety linear guide assembly;
fig. 3 is a schematic structural view of a back portion of a buffer seat in a high damping type safety linear guide assembly.
In the figure: 1-guide rail, 2-opening, 3-slide block, 4-inner slide block, 5-connecting part, 6-roller groove, 7-sliding roller, 8-guide roller, 9-buffer seat, 10-rear limiting seat, 11-air cavity, 12-front limiting seat, 13-one-way valve, 14-air plug, 15-air plug seat, 16-sealing ring groove, 17-sealing ring, 18-limiting seat, 19-rubber pad, 20-piston column, 21-sealing ring groove, 22-sealing ring, 23-connecting column, 24-spring and 25-contact seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 3, the present invention provides a technical solution:
a high damping type safe linear guide rail assembly comprises a guide rail 1 and a slide block 3, wherein an opening 2 is arranged on the upper side wall of the guide rail 1, the slide block 3 comprises an inner slide block 4 and a connecting part 5, the inner slide block 4 is connected in the guide rail 1 in a sliding manner, the connecting part 5 extends out of the opening 2, two groups of roller grooves 6 are respectively arranged at the top and the bottom of the inner slide block 4, a group of roller grooves 6 are also arranged on the left side wall and the right side wall of the inner slide block 4, a sliding roller 7 is connected in the roller grooves 6 at the top and the bottom in a rotating manner, a guide roller 8 is connected in the roller grooves 6 at the side in a rotating manner, a buffer base 9 is fixedly connected at the rear end of the guide rail 1, a cylindrical air cavity 11 is arranged in the buffer base 9, a one-way valve 13 is arranged at the top of the air cavity 11, a piston column 20 is connected in the air cavity 11 in a sliding manner, and a connecting column 23 is fixedly connected at the front end of the piston column 20, the front end of the connecting column 23 is fixedly connected with a contact base 25, a spring 24 is sleeved on the connecting column 23, the front end of the air cavity 11 is fixedly connected with a front limiting base 12, and two ends of the spring 24 are respectively connected to the contact base 25 and the front limiting base 12 in an abutting mode.
The sliding roller 7 ensures that the sliding block 3 slides smoothly, the guide roller 8 guides the sliding block 3 to avoid overlarge friction of the sliding block 3, and when the sliding block 3 moves to the tail end, the buffer seat 9 buffers the braking of the sliding block 3 to reduce the impact force; during braking, the spring 24 contracts, the air in the air cavity 11 is quickly compressed, the larger the compression amount is, the larger the resistance is, and the air in the air cavity 11 is discharged through the one-way valve 13 in the compression process, so that the rebound of the guide rail is avoided.
Preferably, the rear end of the air cavity 11 is fixedly connected with a rear limiting seat 10, and the rear limiting seat 10 is slidably connected with an air plug 14.
The contact seat 25 is made of magnetic materials, and in the process that the sliding block 3 is far away from the buffer seat 9, the contact seat 25 is adsorbed to the sliding block 3 and moves along with the sliding block to complete reset; during the resetting process, the air plug 14 is opened under the action of negative pressure, and air enters from the rear end of the air cavity 11.
Preferably, the front end and the rear end of the air plug 14 are fixedly connected with an air plug seat 15, and a sealing ring 17 is bonded on the rear side wall of the front side air plug seat 15.
Preferably, a seal ring groove 16 is provided on a rear side wall of the front side plug seat 15, and the seal ring 17 is placed in the seal ring groove 16.
The sealing ring 17 keeps the rear end of the air cavity 11 sealed during the buffering and pressure-releasing process.
Preferably, a pair of sealing rings 22 are bonded to the circumferential outer surface of the piston post 20.
Preferably, the piston post 20 is provided with a pair of sealing ring grooves 21 on the circumferential outer wall, and the sealing ring 22 is snapped into the sealing ring grooves 21.
The sealing ring 22 ensures the tightness between the outer circumferential wall of the piston post 20 and the inner circumferential wall of the air chamber 11.
Preferably, the front end of the connecting column 23 is fixedly connected with the stop seat 18, and the front end of the spring 24 is sleeved on the stop seat 18.
The stop block 18 prevents the spring 24 from over-contracting.
Preferably, a rubber pad 19 is bonded to a front end surface of the contact base 25.
The rubber pad 19 serves to protect the contact base 25.
The working principle of the invention is as follows: the sliding roller 7 ensures that the sliding block 3 slides smoothly, the guide roller 8 guides the sliding block 3 to avoid overlarge friction of the sliding block 3, and when the sliding block 3 moves to the tail end, the buffer seat 9 buffers the braking of the sliding block 3 to reduce the impact force; during braking, the spring 24 contracts, the air in the air cavity 11 is quickly compressed, the larger the compression amount is, the larger the resistance is, and the air in the air cavity 11 is discharged through the one-way valve 13 in the compression process, so that the rebound of the guide rail is avoided. The contact seat 25 is made of magnetic materials, and in the process that the sliding block 3 is far away from the buffer seat 9, the contact seat 25 is adsorbed to the sliding block 3 and moves along with the sliding block to complete reset; during the resetting process, the air plug 14 is opened under the action of negative pressure, and air enters from the rear end of the air cavity 11. The sealing ring 17 keeps the rear end of the air cavity 11 sealed during the buffering and pressure-releasing process. The sealing ring 22 ensures the tightness between the outer circumferential wall of the piston post 20 and the inner circumferential wall of the air chamber 11. The stop block 18 prevents the spring 24 from over-contracting. The rubber pad 19 serves to protect the contact base 25.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a high damping type safety linear guide subassembly, includes guide rail (1) and slider (3), its characterized in that: an opening (2) is arranged on the upper side wall of the guide rail (1), the sliding block (3) comprises an inner sliding block (4) and a connecting part (5), the inner sliding block (4) is connected in the guide rail (1) in a sliding manner, the connecting part (5) extends out of the opening (2), two groups of roller grooves (6) are respectively arranged at the top and the bottom of the inner sliding block (4), a group of roller grooves (6) are also arranged on the left side wall and the right side wall of the inner sliding block (4), a sliding roller (7) is connected in the roller grooves (6) at the top and the bottom in a rotating manner, a guide roller (8) is connected in the lateral roller grooves (6) in a rotating manner, a buffer base (9) is fixedly connected at the rear end of the guide rail (1), a cylindrical air cavity (11) is arranged in the buffer base (9), a one-way valve (13) is arranged at the top of the air cavity (11), a piston column (20) is connected in the air cavity (11) in a sliding manner, the front end of the piston column (20) is fixedly connected with a connecting column (23), the front end of the connecting column (23) is fixedly connected with a contact base (25), a spring (24) is sleeved on the connecting column (23), the front end of the air cavity (11) is fixedly connected with a front limiting base (12), and two ends of the spring (24) are respectively connected to the contact base (25) and the front limiting base (12) in an abutting mode.
2. A high damping safety linear guide assembly according to claim 1, wherein: the rear end of the air cavity (11) is fixedly connected with a rear limiting seat (10), and the rear limiting seat (10) is connected with an air plug (14) in a sliding mode.
3. A high damping safety linear guide assembly according to claim 2 wherein: the front end and the rear end of the air plug (14) are respectively fixedly connected with an air plug seat (15), and a sealing ring (17) is bonded on the rear side wall of the front side air plug seat (15).
4. A high damping safety linear guide assembly according to claim 3 wherein: a sealing ring groove (16) is formed in the rear side wall of the front side air plug seat (15), and the sealing ring (17) is placed in the sealing ring groove (16).
5. A high damping safety linear guide assembly according to claim 4, wherein: a pair of sealing rings (22) are bonded to the circumferential outer surface of the piston post (20).
6. A high damping safety linear guide assembly according to claim 5, wherein: the piston is characterized in that a pair of sealing ring grooves (21) are formed in the circumferential outer wall of the piston column (20), and the sealing rings (22) are clamped in the sealing ring grooves (21).
7. A high damping safety linear guide assembly according to claim 6, wherein: the front end of the connecting column (23) is fixedly connected with a stop seat (18), and the front end of the spring (24) is sleeved on the stop seat (18).
8. A high damping safety linear guide assembly according to claim 7, wherein: and a rubber pad (19) is bonded on the front end surface of the contact seat (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110836292.2A CN113685438B (en) | 2021-07-23 | 2021-07-23 | High damping type safe linear guide rail assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110836292.2A CN113685438B (en) | 2021-07-23 | 2021-07-23 | High damping type safe linear guide rail assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113685438A true CN113685438A (en) | 2021-11-23 |
| CN113685438B CN113685438B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110836292.2A Active CN113685438B (en) | 2021-07-23 | 2021-07-23 | High damping type safe linear guide rail assembly |
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| Country | Link |
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| CN (1) | CN113685438B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182942A (en) * | 2022-07-15 | 2022-10-14 | 江苏理工学院 | Electric brake structure and electric sliding table device using same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202971571U (en) * | 2012-12-10 | 2013-06-05 | 吴旻杰 | Sliding table structure of composite module |
| CN109027092A (en) * | 2018-11-02 | 2018-12-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of free-piston of air damping buffering |
| CN208666836U (en) * | 2018-07-18 | 2019-03-29 | 康达电梯有限公司 | A kind of elevator safety gear emergency brake buffer unit |
| CN210423437U (en) * | 2019-08-30 | 2020-04-28 | 深圳市力特实业发展有限公司 | Anti-slip guide rail |
| CN212615919U (en) * | 2020-07-05 | 2021-02-26 | 创惠同达(天津)科技发展有限公司 | Novel mechanical manufacturing production line guided way |
-
2021
- 2021-07-23 CN CN202110836292.2A patent/CN113685438B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202971571U (en) * | 2012-12-10 | 2013-06-05 | 吴旻杰 | Sliding table structure of composite module |
| CN208666836U (en) * | 2018-07-18 | 2019-03-29 | 康达电梯有限公司 | A kind of elevator safety gear emergency brake buffer unit |
| CN109027092A (en) * | 2018-11-02 | 2018-12-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of free-piston of air damping buffering |
| CN210423437U (en) * | 2019-08-30 | 2020-04-28 | 深圳市力特实业发展有限公司 | Anti-slip guide rail |
| CN212615919U (en) * | 2020-07-05 | 2021-02-26 | 创惠同达(天津)科技发展有限公司 | Novel mechanical manufacturing production line guided way |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182942A (en) * | 2022-07-15 | 2022-10-14 | 江苏理工学院 | Electric brake structure and electric sliding table device using same |
| CN115182942B (en) * | 2022-07-15 | 2023-10-03 | 江苏理工学院 | Electric brake structure and electric sliding table device using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113685438B (en) | 2023-04-28 |
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