CN111043220A - Buffer assembly for mechanical equipment - Google Patents

Buffer assembly for mechanical equipment Download PDF

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Publication number
CN111043220A
CN111043220A CN201911330889.9A CN201911330889A CN111043220A CN 111043220 A CN111043220 A CN 111043220A CN 201911330889 A CN201911330889 A CN 201911330889A CN 111043220 A CN111043220 A CN 111043220A
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CN
China
Prior art keywords
buffer
push rod
fixed
rotating bearing
shell
Prior art date
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Granted
Application number
CN201911330889.9A
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Chinese (zh)
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CN111043220B (en
Inventor
孙勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Bidexi Bump Damping Technology Co ltd
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Wuxi Bidexi Bump Damping Technology Co ltd
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Priority to CN201911330889.9A priority Critical patent/CN111043220B/en
Publication of CN111043220A publication Critical patent/CN111043220A/en
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Publication of CN111043220B publication Critical patent/CN111043220B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/19Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/54Arrangements for attachment

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)

Abstract

The invention discloses a buffer assembly for mechanical equipment, which comprises a buffer shell, a buffer push rod and a bottom connecting piece, wherein the buffer shell is provided with a buffer groove; the top end of the buffer push rod is provided with an anti-collision head, the anti-collision head is acted by force, and the buffer push rod is acted by force and moves up and down in the shell of the buffer device; the buffer push rod is limited in the sliding groove to move by the connection fulcrum, so that the mobility of the buffer push rod is improved, the impact force is conveniently dispersed, and the buffer push rod is prevented from being damaged due to overlarge stress; the outer side of the damping block is provided with a rotating bearing, the outer side of the rotating bearing is provided with a torsion spring, the torsion spring limits the rotating bearing within a quantitative limit, and meanwhile, the rotating bearing can rotate within a certain angle range, and the torsion spring assists the resetting of the rotating bearing; a driving shaft is fixed below the rotating bearing, the bottom end of the driving shaft is connected to a driving cylinder, the buffer body is fixed on mechanical equipment through a bottom connecting piece, and the driving cylinder provides restoring force.

Description

Buffer assembly for mechanical equipment
Technical Field
The invention relates to the technical field of buffers, in particular to a buffer assembly for mechanical equipment.
Background
The buffer eliminates the impact, vibration and noise generated by increasing the production efficiency, improving the running speed, ensuring the safety and optimizing the production environment on the premise of not influencing the running performance of industrial equipment. The buffer is a common buffering and damping device in machinery and mainly plays a role in absorbing various impact energy, protecting equipment, reducing noise and the like. Use basic gas structure buffer and hydraulic buffer etc. on robotic arm at present, but the buffering result is not good enough, and the piston rod difficulty that slides can appear for a long time of service, and difficult operation still can appear the inside reset spring of buffer and appear the connection problem, leads to the buffer effect poor, and buffering process has the impact nature, and then causes the phenomenon of manipulator short-term vibration to appear in the removal.
Disclosure of Invention
The present invention is directed to a damper assembly for a mechanical device to solve the above-mentioned problems.
In order to achieve the purpose, the invention provides the following technical scheme: a buffer assembly for mechanical equipment comprises a buffer shell, a buffer push rod and a bottom connecting piece; the upper end in the buffer shell is provided with a sealing connection end cover, the sealing connection end cover is provided with through holes which are uniformly distributed, a buffering push rod is arranged in the through holes, and the top end of the buffering push rod is provided with an anti-collision head; the inner wall of the buffer shell is provided with a sliding groove, a fixed connection ring is arranged on the sliding groove in a sliding mode, and the fixed connection ring and the side edge of the buffer push rod are connected with a fixed connection fulcrum shaft; the bottom end of the buffer push rod is provided with a movable push block, and a piston rod is arranged below the movable push block; a piston is arranged below the piston rod, a damping block is fixed at the bottom of the piston, a rotating bearing is arranged outside the damping block, a torsion spring is arranged outside the rotating bearing, and the torsion spring is connected to the inner wall of the buffer shell; a driving shaft is fixed below the rotating bearing, the bottom end of the driving shaft is connected to a driving cylinder, and elastic filling layers are arranged on two sides of the driving shaft; the bottom of the driving cylinder is fixed with a mounting groove, one side of the mounting groove is provided with a retainer valve, and a bottom connecting piece is arranged below the mounting groove.
Preferably, the top end of the buffer push rod is provided with a threaded connecting column, the bottom of the anti-collision head is provided with a threaded through hole corresponding to the threaded connecting column, and the anti-collision head and the buffer push rod are connected into a whole through the threaded through hole and the threaded connecting column in a rotating and clamping manner.
Preferably, the outer side of the sealing connection end cover is provided with a buffering pressing ring, and the buffering pressing ring is made of rubber materials.
Preferably, the buffer shell is of a cylindrical structure, the buffer push rod is radially distributed along the inner circle center of the buffer shell, two fixed connection support shafts are connected to the outer side of the buffer push rod, and the fixed connection support shafts are located in the same plane.
Preferably, the upper end face of the movable push block is provided with a plurality of fixed hole grooves corresponding to the buffer push rod, and the tail end of the buffer push rod is arranged in the fixed hole grooves.
Preferably, the center of the rotating bearing is provided with a mounting groove corresponding to the damping block, the damping block is of a cylindrical structure and is fixed in the mounting groove, and a contact gap between the mounting groove and the damping block is filled with damping oil.
Preferably, the elastic filling layer is made of a silica gel material, is arranged along the inner wall of the buffer shell and is internally provided with a ventilation hole groove.
Preferably, the bottom connecting piece comprises a sealing flange and a quick-mounting fixed joint, the sealing flange is fixed at the bottom end of the shell of the buffer, and the quick-mounting fixed joint is fixed below the sealing flange through screws.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure, strong practicability, strong functionality and good stability; the top end of the buffer push rod is provided with an anti-collision head, the anti-collision head is acted by force, and the buffer push rod is acted by force and moves up and down in the shell of the buffer device; the buffer push rod is limited in the sliding groove to move by the connection fulcrum, so that the mobility of the buffer push rod is improved, the impact force is conveniently dispersed, and the buffer push rod is prevented from being damaged due to overlarge stress; the outer side of the damping block is provided with a rotating bearing, the outer side of the rotating bearing is provided with a torsion spring, the torsion spring limits the rotating bearing within a quantitative limit, and meanwhile, the rotating bearing can rotate within a certain angle range, and the torsion spring assists the resetting of the rotating bearing; a driving shaft is fixed below the rotating bearing, the bottom end of the driving shaft is connected to a driving cylinder, the buffer body is fixed on mechanical equipment through a bottom connecting piece, and the driving cylinder provides restoring force.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the fixing support shaft mounting structure of the present invention.
In the figure: 1. a damper housing; 2. the end cover is connected in a sealing way; 3. a buffer push rod; 4. a crash head; 5. a sliding groove; 6. fixedly connecting a ring; 7. fixedly connecting a fulcrum; 8. a movable push block; 9. a piston rod; 10. a piston; 11. a damping block; 12. a rotating bearing; 13. a torsion spring; 14. a drive shaft; 15. a driving cylinder; 16. an elastic filling layer; 17. mounting grooves; 18. a retainer valve; 19. a bottom connector.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, the present invention provides a technical solution: a buffer assembly for mechanical equipment comprises a buffer shell 1, a buffer push rod 3 and a bottom connecting piece 19; the upper end inside the buffer shell 1 is provided with a sealing connection end cover 2, through holes which are uniformly distributed are formed in the sealing connection end cover 2, a buffer push rod 3 is arranged in the through holes, and the top end of the buffer push rod 3 is provided with an anti-collision head 4; a sliding groove 5 is formed in the inner wall of the buffer shell 1, a fixed connection ring 6 is slidably mounted on the sliding groove 5, and a fixed connection fulcrum shaft 7 is connected between the fixed connection ring 6 and the side edge of the buffer push rod 3; the bottom end of the buffer push rod 3 is provided with a movable push block 8, and a piston rod 9 is arranged below the movable push block 8; a piston 10 is arranged below the piston rod 9, a damping block 11 is fixed at the bottom of the piston 10, a rotating bearing 12 is arranged outside the damping block 11, a torsion spring 13 is arranged outside the rotating bearing 12, and the torsion spring 13 is connected to the inner wall of the buffer shell 1; a driving shaft 14 is fixed below the rotating bearing 13, the bottom end of the driving shaft 14 is connected to a driving cylinder 15, and elastic filling layers 16 are arranged on two sides of the driving shaft 14; the bottom of the driving cylinder 15 is fixed with a mounting groove 17, one side of the mounting groove 17 is provided with a retainer valve 18, and a bottom connecting piece 19 is arranged below the mounting groove 17.
Furthermore, the top end of the buffer push rod 3 is provided with a threaded connecting column, the bottom of the anti-collision head 4 is provided with a threaded through hole corresponding to the threaded connecting column, and the anti-collision head 4 and the buffer push rod 3 are connected into a whole through the threaded through hole and the threaded connecting column in a rotating and clamping manner.
Furthermore, a buffering pressing ring is arranged on the outer side of the sealing connection end cover 2 and made of rubber materials.
Furthermore, the buffer shell 1 is of a cylindrical structure, the buffer push rod 3 is radially distributed along the inner circle center of the buffer shell 1, two fixedly connected support shafts 7 are connected to the outer side edge of the buffer push rod 3, and the fixedly connected support shafts 7 are located in the same plane.
Furthermore, a plurality of fixing hole grooves corresponding to the buffer push rods 3 are formed in the upper end face of the movable push block 8, and the tail ends of the buffer push rods 3 are installed in the fixing hole grooves.
Furthermore, a mounting groove corresponding to the damping block 11 is formed in the center of the rotating bearing 13, the damping block 11 is of a cylindrical structure, the damping block 11 is fixed in the mounting groove, and damping oil is filled in a contact gap between the mounting groove and the damping block 11.
Further, the elastic filling layer 16 is made of a silica gel material, the elastic filling layer 16 is arranged along the inner wall of the buffer shell 1, and a ventilation hole groove is formed in the elastic filling layer 16.
Further, the bottom connecting member 19 includes a sealing flange fixed at the bottom end of the damper housing 1 and a quick-fit fixing joint fixed below the sealing flange by screws.
The working principle is as follows: the upper end in the buffer shell 1 is provided with a sealing connection end cover 2, the sealing connection end cover 2 is provided with through holes which are uniformly distributed, a buffer push rod 3 is arranged in the through holes, the top end of the buffer push rod 3 is provided with an anti-collision head 4, the force is acted on the anti-collision head 4, and the buffer push rod 3 moves up and down in the buffer shell 1 under the action of the force; the buffer shell comprises a buffer shell body 1 and is characterized in that a sliding groove 5 is formed in the inner wall of the buffer shell body 1, a fixedly connected ring 6 is slidably mounted on the sliding groove 5, a fixedly connected fulcrum shaft 7 is connected between the fixedly connected ring 6 and the side edge of a buffer push rod 3, and the buffer push rod 3 is limited in the sliding groove 5 to move by the aid of the connected fulcrum shaft 7, so that the activity of the buffer push rod 3 is improved, impact force is dispersed conveniently, and the buffer push rod 3 is prevented from; the bottom end of the buffer push rod 3 is provided with a movable push block 8, and a piston rod 9 is arranged below the movable push block 8; a piston 10 is arranged below the piston rod 9,
a damping block 11 is fixed at the bottom of the piston 10, a rotating bearing 12 is arranged on the outer side of the damping block 11, a torsion spring 13 is arranged on the outer side of the rotating bearing 12, and the torsion spring 13 is connected to the inner wall of the buffer shell 1; the torsion spring 13 limits the rotating bearing 12 within a quantitative limit, and meanwhile, the rotating bearing 12 can rotate within a certain angle range, and the torsion spring 13 assists the resetting of the rotating bearing; a driving shaft 14 is fixed below the rotating bearing 13, the bottom end of the driving shaft 14 is connected to a driving cylinder 15, and elastic filling layers 16 are arranged on two sides of the driving shaft 14; the bottom of the driving cylinder 15 is fixed with a mounting groove 17, one side of the mounting groove 17 is provided with a retainer valve 18, a bottom connecting piece 19 is arranged below the mounting groove 17, the buffer body 1 is fixed on mechanical equipment through the bottom connecting piece 19, and the driving cylinder 15 provides restoring force.
It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A damper assembly for a mechanical device, characterized in that: comprises a buffer shell (1), a buffer push rod (3) and a bottom connecting piece (19); the buffer is characterized in that a sealing connection end cover (2) is arranged at the upper end inside the buffer shell (1), through holes which are uniformly distributed are formed in the sealing connection end cover (2), a buffering push rod (3) is arranged in the through holes, and an anti-collision head (4) is arranged at the top end of the buffering push rod (3); a sliding groove (5) is formed in the inner wall of the buffer shell (1), a fixed connection ring (6) is slidably mounted on the sliding groove (5), and a fixed connection fulcrum shaft (7) is connected between the fixed connection ring (6) and the side edge of the buffer push rod (3); a movable push block (8) is arranged at the bottom end of the buffer push rod (3), and a piston rod (9) is arranged below the movable push block (8); a piston (10) is installed below the piston rod (9), a damping block (11) is fixed at the bottom of the piston (10), a rotating bearing (12) is arranged on the outer side of the damping block (11), a torsion spring (13) is arranged on the outer side of the rotating bearing (12), and the torsion spring (13) is connected to the inner wall of the buffer shell (1); a driving shaft (14) is fixed below the rotating bearing (13), the bottom end of the driving shaft (14) is connected to a driving cylinder (15), and elastic filling layers (16) are arranged on two sides of the driving shaft (14); the bottom of the driving cylinder (15) is fixed with a mounting groove (17), one side of the mounting groove (17) is provided with a retainer valve (18), and a bottom connecting piece (19) is arranged below the mounting groove (17).
2. A draft gear assembly, according to claim 1, wherein: the top end of the buffer push rod (3) is provided with a threaded connecting column, the bottom of the anti-collision head (4) is provided with a threaded through hole corresponding to the threaded connecting column, and the anti-collision head (4) and the buffer push rod (3) are connected into a whole through the threaded through hole and the threaded connecting column in a rotating and clamping mode.
3. A draft gear assembly, according to claim 1, wherein: and a buffer pressing ring is arranged on the outer side of the sealing connection end cover (2), and is made of rubber materials.
4. A draft gear assembly, according to claim 1, wherein: the buffer shell (1) is of a cylindrical structure, the buffer push rod (3) is radially distributed along the inner circle center of the buffer shell (1), two fixedly connected support shafts (7) are connected to the outer side edge of the buffer push rod (3), and the fixedly connected support shafts (7) are located in the same plane.
5. A draft gear assembly, according to claim 1, wherein: the upper end face of the movable push block (8) is provided with a plurality of fixed hole grooves corresponding to the buffer push rods (3), and the tail ends of the buffer push rods (3) are arranged in the fixed hole grooves.
6. A draft gear assembly, according to claim 1, wherein: the center of the rotating bearing (13) is provided with a mounting groove corresponding to the damping block (11), the damping block (11) is of a cylindrical structure, the damping block (11) is fixed in the mounting groove, and a contact gap between the mounting groove and the damping block (11) is filled with damping oil.
7. A draft gear assembly, according to claim 1, wherein: the elastic filling layer (16) is made of a silica gel material, the elastic filling layer (16) is arranged along the inner wall of the buffer shell (1), and a ventilation hole groove is formed in the elastic filling layer (16).
8. A draft gear assembly, according to claim 1, wherein: the bottom connecting piece (19) comprises a sealing flange and a quick-mounting fixed joint, the sealing flange is fixed at the bottom end of the buffer shell (1), and the quick-mounting fixed joint is fixed below the sealing flange through screws.
CN201911330889.9A 2019-12-20 2019-12-20 Buffer assembly for mechanical equipment Active CN111043220B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911330889.9A CN111043220B (en) 2019-12-20 2019-12-20 Buffer assembly for mechanical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911330889.9A CN111043220B (en) 2019-12-20 2019-12-20 Buffer assembly for mechanical equipment

Publications (2)

Publication Number Publication Date
CN111043220A true CN111043220A (en) 2020-04-21
CN111043220B CN111043220B (en) 2021-08-06

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6511056B1 (en) * 1999-11-04 2003-01-28 Gain Gas Technique, S.L. Gas filled cylinder
CN204852157U (en) * 2015-07-21 2015-12-09 济宁市技师学院 Shock absorber
CN205689674U (en) * 2016-04-12 2016-11-16 济南大学 A kind of frcition damper inner core pressure gear outer Worm adjusting regulating device
CN207178553U (en) * 2017-09-19 2018-04-03 姬洪超 A kind of buffer means for crane being easily installed
CN110043601A (en) * 2019-05-06 2019-07-23 江苏容大减震科技股份有限公司 A kind of metal slide sealing viscous damper

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6511056B1 (en) * 1999-11-04 2003-01-28 Gain Gas Technique, S.L. Gas filled cylinder
CN204852157U (en) * 2015-07-21 2015-12-09 济宁市技师学院 Shock absorber
CN205689674U (en) * 2016-04-12 2016-11-16 济南大学 A kind of frcition damper inner core pressure gear outer Worm adjusting regulating device
CN207178553U (en) * 2017-09-19 2018-04-03 姬洪超 A kind of buffer means for crane being easily installed
CN110043601A (en) * 2019-05-06 2019-07-23 江苏容大减震科技股份有限公司 A kind of metal slide sealing viscous damper

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