CN217130207U - Double-drive gantry platform damping structure - Google Patents
Double-drive gantry platform damping structure Download PDFInfo
- Publication number
- CN217130207U CN217130207U CN202220812999.XU CN202220812999U CN217130207U CN 217130207 U CN217130207 U CN 217130207U CN 202220812999 U CN202220812999 U CN 202220812999U CN 217130207 U CN217130207 U CN 217130207U
- Authority
- CN
- China
- Prior art keywords
- linear
- linear motor
- vibration isolation
- motor stator
- electric motor
- 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.)
- Active
Links
Images
Landscapes
- Linear Motors (AREA)
Abstract
The utility model relates to a two longmen platform shock-absorbing structure that drive, including the crossbeam, the support plate, linear electric motor active cell, linear electric motor stator, the vibration isolation rubber, linear guide and base, the mounting groove has all been seted up to the base top surface left and right sides, install linear electric motor stator in the mounting groove, be provided with the vibration isolation rubber between linear electric motor stator and the mounting groove, the vibration isolation rubber is fixed as an organic whole with linear electric motor stator, the linear electric motor active cell is connected with in the cooperation on the linear electric motor stator, linear electric motor active cell makes reciprocating linear motion along the fore-and-aft direction under the magnetic field effect that linear electric motor stator provided, fixedly connected with the support plate on the linear electric motor active cell, the support plate is installed in the crossbeam bottom, the crossbeam makes reciprocating linear motion along linear guide under the drive of linear electric motor active cell along with the support plate; compared with the prior art, thereby when reaction force produced, vibration isolation rubber can produce elastic deformation and offset the reaction force influence, reduces the fatigue damage of error to linear guide simultaneously, extension equipment life.
Description
[ technical field ]
The utility model belongs to the technical field of two longmen mechanisms that drive technique and specifically relates to a two longmen platform shock-absorbing structure that drive.
[ background art ]
At present, when the existing linear motor is used in a double-drive gantry scheme, the installation mode of the linear motor is that a stator of the linear motor is hard connected with a base by using bolts, and the following three objective problems mainly exist:
(1) because gantry structure both sides span is great, and the crossbeam quality is heavier, linear electric motor can produce very big impact force when starting and stopping, and the base can be transmitted through the stator to the impact force, influences the stability of whole mechanism to and the precision, also can exert an influence to equipment life.
(2) The impact force influences the acceleration in the double-drive gantry mechanism generally and not too large, so that the production efficiency is seriously influenced, and the productivity cannot be improved.
(3) Due to the fact that the double-drive gantry structure is adopted, two linear motors are arranged on two sides of the double-drive gantry structure respectively, certain output errors are inevitably generated in the actual operation of the two linear motors, certain unbalance loads are generated in the operation of the whole mechanism, fatigue damage is generated on the linear guide rail after the double-drive gantry structure operates for a long time, and the service life of equipment is influenced.
[ contents of utility model ]
The utility model aims at solving foretell not enough and provide a two gantry platform shock-absorbing structure that drive, it is when reaction force produces, thereby vibration isolation rubber can produce elastic deformation and offset the reaction force influence, reduces the fatigue damage of error to linear guide simultaneously, extension equipment life.
The double-drive gantry platform damping structure comprises a crossbeam 1, a support plate 2, a linear motor rotor 3, a linear motor stator 4, vibration isolation rubber 5, linear guide rails 6 and a base 7, wherein mounting grooves 8 are formed in the left side and the right side of the top surface of the base 7, the linear motor stator 4 is mounted in the mounting grooves 8, the vibration isolation rubber 5 is arranged between the linear motor stator 4 and the mounting grooves 8, the vibration isolation rubber 5 and the linear motor stator 4 are fixed into a whole, the base 7, the vibration isolation rubber 5 and the linear motor stator 4 form a vibration isolation assembly, the linear motor rotor 3 is connected to the linear motor stator 4 in a matching manner, the linear motor rotor 3 makes reciprocating linear motion along the front-back direction under the action of a magnetic field provided by the linear motor stator 4, the support plate 2 is fixedly connected to the linear motor rotor 3, and the support plate 2 is mounted at the bottom of the crossbeam 1, the beam 1 is driven by the linear motor rotor 3 to do reciprocating linear motion along the linear guide rail 6 along with the support plate 2.
Further, the mounting groove 8 is a groove with a rectangular longitudinal section, and the mounting groove 8 extends from the front end to the rear end of the base 7, so that the linear motor stator 4 and the vibration isolation rubber 5 can be better fixed, and the processing is very quick.
Furthermore, a gap of 2-4 mm is preset between the linear motor stator 4 and the mounting groove 8, the vibration isolation rubber 5 is fixed in the gap, the longitudinal section of the vibration isolation rubber 5 is U-shaped, and the shape of the vibration isolation rubber is matched with the inner wall of the mounting groove 8 so as to be fixedly connected into a whole.
Further, 2 bottom surface middle parts of support plate fixed connection are on linear electric motor active cell 3, slider 9 is all installed to 2 bottom surface left and right sides of support plate, slider 9 slidable formula is connected on linear guide 6, support plate 2 passes through slider 9 along linear guide 6's axial reciprocating motion, and can be provided with two at least sliders 9 on every linear guide 6 to reciprocating motion is more steady.
Further, linear guide 6 installs on base 7, linear guide 6 is provided with two, and two linear guide 6 bilateral symmetry formula are arranged in mounting groove 8 both sides to skew about taking place when can avoiding moving, guaranteed reciprocating linear motion's reliability.
Further, the vibration isolation rubber 5, the linear motor stator 4, the linear motor rotor 3 and the carrier plate 2 are arranged in bilateral symmetry.
Compared with the prior art, the utility model, have following advantage:
(1) the vibration isolation rubber is fixed on the base together with the linear motor stator in a molten state, and when a reaction force is generated, the vibration isolation rubber can generate elastic deformation so as to offset the influence of the reaction force;
(2) the utility model solves the problems that the linear motor stator is directly fixed on the base through the hard connection of the bolt, and the impact force generated when the crossbeam moves can directly act on the base through the form of reaction force;
(3) because the reaction force is reduced, the acceleration of the equipment can be improved on the original basis, thereby realizing higher production efficiency;
(4) because two longmen that drive are when the motion, two linear electric motor inevitable can produce the error of exerting oneself, the utility model discloses can reduce this error to linear guide's fatigue damage to a certain extent through rubber elastic deformation to extension equipment life.
[ description of the drawings ]
FIG. 1 is a schematic structural view of the present invention before improvement;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic view of a portion of the structure of FIG. 3;
fig. 5 is a schematic structural view of the vibration isolation assembly of the present invention;
in the figure: 1. the vibration isolation device comprises a cross beam 2, a carrier plate 3, a linear motor rotor 4, a linear motor stator 5, vibration isolation rubber 6, a linear guide rail 7, a base 8, a mounting groove 9, a sliding block 10, a cross beam II 11, a base II 12 and a linear motor mounting plate.
[ detailed description of the invention ]
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawings 2 to 5, the utility model provides a double-drive gantry platform damping structure, which comprises a crossbeam 1, a support plate 2, a linear motor rotor 3, a linear motor stator 4, vibration isolation rubber 5, a linear guide rail 6 and a base 7, wherein the left side and the right side of the top surface of the base 7 are respectively provided with a mounting groove 8, the linear motor stator 4 is arranged in the mounting groove 8, the vibration isolation rubber 5 is arranged between the linear motor stator 4 and the mounting groove 8, the vibration isolation rubber 5 and the linear motor stator 4 are fixed into a whole, the base 7, the vibration isolation rubber 5 and the linear motor stator 4 form a vibration isolation assembly, the linear motor rotor 3 is connected on the linear motor stator 4 in a matching way, the linear motor rotor 3 makes reciprocating linear motion along the front-back direction under the action of a magnetic field provided by the linear motor stator 4, the support plate 2 is fixedly connected on the linear motor rotor 3, and the support plate 2 is arranged at the bottom of the crossbeam 1, the crossbeam 1 is driven by the linear motor rotor 3 along with the support plate 2 to do reciprocating linear motion along the linear guide rail 6, and the vibration isolation rubber 5, the linear motor stator 4, the linear motor rotor 3 and the support plate 2 are arranged in bilateral symmetry.
The mounting groove 8 is a groove with a rectangular longitudinal section, and the mounting groove 8 extends from the front end to the rear end of the base 7, so that the linear motor stator 4 and the vibration isolation rubber 5 can be fixed better, and the processing is very quick; a2-4 mm gap is preset between the linear motor stator 4 and the mounting groove 8, the vibration isolation rubber 5 is fixed in the gap, the longitudinal section of the vibration isolation rubber 5 is U-shaped, and the appearance of the vibration isolation rubber is matched with the inner wall of the mounting groove 8 so as to be fixedly connected into a whole. The middle part of the bottom surface of the carrier plate 2 is fixedly connected to the linear motor rotor 3, the left side and the right side of the bottom surface of the carrier plate 2 are respectively provided with a sliding block 9, the sliding blocks 9 are connected to the linear guide rails 6 in a sliding manner, the carrier plate 2 reciprocates along the axial direction of the linear guide rails 6 through the sliding blocks 9, and each linear guide rail 6 can be provided with at least two sliding blocks 9, so that the reciprocating motion is more stable; linear guide 6 installs on base 7, and linear guide 6 is provided with two, and two linear guide 6 bilateral symmetry formula arrange in mounting groove 8 both sides to skew about taking place when can avoiding moving, guaranteed reciprocating linear motion's reliability.
The utility model provides a rubber flexible connection's structure can cooperate two longmen structures that drive to use. The vibration isolation assembly is formed by a base, vibration isolation rubber and linear motor stators, mounting grooves with corresponding sizes are processed in the base according to the sizes of the linear motor stators of different models, 2-4 mm gaps are reserved, the rubber and the linear motor stators are fixed in the mounting grooves in a molten state, and a whole set of vibration isolation assembly is formed after the rubber is cooled and solidified. This subassembly needs to match two portal mechanisms that drive and uses, can produce the reaction force that produces an equal thrust to linear motor stator when two drive longmen movements, and this subassembly produces elastic deformation through vibration isolation rubber and absorbs reaction force to eliminate the vibrations influence that produces the effort and produce.
Compared with the structure that the linear motor stator is directly fixed on the base through hard connection of bolts before improvement, and the impact force generated when the crossbeam moves can directly act on the base through the form of reaction force, the utility model fixes the vibration isolation rubber on the base together with the linear motor stator in a melting state, and when the reaction force is generated, the vibration isolation rubber can generate elastic deformation so as to offset the influence of the reaction force; and because the reaction force is reduced, the acceleration of the equipment can be improved on the original basis, so that higher production efficiency is realized; in addition, because two longmen that drive are when the motion, two linear electric motor inevitable can produce the error of exerting oneself, this utility model can reduce this error to the fatigue damage of linear guide through rubber elastic deformation to a certain extent to extension equipment life.
The utility model reduces the larger impact force generated when the crossbeam moves through the vibration isolation component composed of the base, the vibration isolation rubber and the linear motor stator, maintains the stability of the mechanism and prolongs the service life of the equipment; the acceleration of the equipment can be properly improved due to the reduction of the impact force, so that the production efficiency is improved; the two linear motors can be ensured to stably operate even under the condition of output errors, the linear guide rails are protected, the service life of the equipment is prolonged, and the linear motor is worthy of popularization and application.
The present invention is not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and are all included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a two longmen platform shock-absorbing structure that drive which characterized in that: the vibration isolation device comprises a cross beam (1), a support plate (2), a linear motor rotor (3), a linear motor stator (4), vibration isolation rubber (5), a linear guide rail (6) and a base (7), wherein mounting grooves (8) are formed in the left side and the right side of the top surface of the base (7), the linear motor stator (4) is mounted in the mounting grooves (8), the vibration isolation rubber (5) is arranged between the linear motor stator (4) and the mounting grooves (8), the vibration isolation rubber (5) and the linear motor stator (4) are fixed into a whole, the base (7), the vibration isolation rubber (5) and the linear motor stator (4) form a vibration isolation assembly, the linear motor rotor (3) is connected to the linear motor stator (4) in a matching manner, and the linear motor rotor (3) makes reciprocating linear motion along the front and back directions under the action of a magnetic field provided by the linear motor stator (4), the linear motor rotor (3) is fixedly connected with a support plate (2), the support plate (2) is installed at the bottom of the cross beam (1), and the cross beam (1) is driven by the linear motor rotor (3) to do reciprocating linear motion along the linear guide rail (6) along with the support plate (2).
2. The double-drive gantry platform damping structure of claim 1, wherein: mounting groove (8) are the groove that the longitudinal section is the rectangle, mounting groove (8) extend to the rear end from base (7) front end.
3. The dual drive gantry platform shock absorbing structure of claim 2, wherein: a gap of 2-4 mm is preset between the linear motor stator (4) and the mounting groove (8), the vibration isolation rubber (5) is fixed in the gap, and the longitudinal section of the vibration isolation rubber (5) is U-shaped.
4. The double-drive gantry platform damping structure of claim 1, wherein: support plate (2) bottom surface middle part fixed connection is on linear electric motor active cell (3), slider (9) are all installed to the support plate (2) bottom surface left and right sides, slider (9) slidable formula is connected on linear guide (6), axial reciprocating motion along linear guide (6) is passed through slider (9) in support plate (2).
5. The double-drive gantry platform damping structure of claim 4, wherein: linear guide (6) are installed on base (7), linear guide (6) are provided with two, and two linear guide (6) bilateral symmetry formula are arranged in mounting groove (8) both sides.
6. The double-drive gantry platform damping structure of any one of claims 1 to 5, wherein: the vibration isolation rubber (5), the linear motor stator (4), the linear motor rotor (3) and the carrier plate (2) are arranged in a bilateral symmetry mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220812999.XU CN217130207U (en) | 2022-04-08 | 2022-04-08 | Double-drive gantry platform damping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220812999.XU CN217130207U (en) | 2022-04-08 | 2022-04-08 | Double-drive gantry platform damping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217130207U true CN217130207U (en) | 2022-08-05 |
Family
ID=82646691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220812999.XU Active CN217130207U (en) | 2022-04-08 | 2022-04-08 | Double-drive gantry platform damping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217130207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302266A (en) * | 2022-09-01 | 2022-11-08 | 合肥工业大学 | Flexible gantry linear dual-drive platform |
-
2022
- 2022-04-08 CN CN202220812999.XU patent/CN217130207U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302266A (en) * | 2022-09-01 | 2022-11-08 | 合肥工业大学 | Flexible gantry linear dual-drive platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217130207U (en) | Double-drive gantry platform damping structure | |
| CN209903604U (en) | Fixed three-axis superimposed linear motor driven machine tool | |
| CN111037313A (en) | Five-axis movable beam type portal frame and mounting method | |
| CN215469540U (en) | Double-station gantry double-drive linear motor motion platform | |
| CN116054527B (en) | Linear motor and semiconductor preparation system | |
| CN110434621B (en) | Macro-micro dual-drive precise positioning device based on active vibration isolation and control method | |
| CN112549933A (en) | Anti-collision rear axle of electric vehicle | |
| CN115302266B (en) | Flexible planer-type straight line is two drives platform | |
| CN218217070U (en) | XY motor module of lead bonding equipment | |
| CN102296720B (en) | Active flexible vibration-damping and shock-absorbing device for building | |
| CN216540513U (en) | Integral stamping forming die for gauge block | |
| CN109262338A (en) | Bridge gantry lathe linear motor driver | |
| CN210029690U (en) | Damping mechanism of escalator drive assembly | |
| CN209990789U (en) | Shock absorption bearing seat | |
| CN208961573U (en) | Bridge gantry lathe linear motor driver | |
| CN209634319U (en) | Vibration damping piston shoes and electromagnetic propulsion sledge vehicle for high speed electromagnetic propulsion device | |
| CN102505771B (en) | Active type vibration damping and shock absorption device for building | |
| CN220022585U (en) | Linear motor module with iron core | |
| CN217935413U (en) | Z-axis module of outer cover full-sealed linear motor | |
| CN219115254U (en) | Magnetic levitation vehicle suspension module | |
| CN211105835U (en) | Punch press with shock attenuation amortization function | |
| CN219394662U (en) | Motion mechanism of double linear motors | |
| CN215897560U (en) | Linear electric motor second grade buffer structure | |
| CN219788399U (en) | Robot ground rail | |
| CN219173992U (en) | Elevator main unit underframe with vibration reduction function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |