CN211720495U - Z-axis linear motor balance control system - Google Patents
Z-axis linear motor balance control system Download PDFInfo
- Publication number
- CN211720495U CN211720495U CN201922478219.3U CN201922478219U CN211720495U CN 211720495 U CN211720495 U CN 211720495U CN 201922478219 U CN201922478219 U CN 201922478219U CN 211720495 U CN211720495 U CN 211720495U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- linear motor
- axis linear
- solenoid valve
- cylinder body
- 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
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The embodiment of the application belongs to the technical field of mechanical motion shafts in the vertical direction and relates to a Z-axis linear motor balance control system. The technical scheme that this application provided includes Z axle linear electric motor, die clamping cylinder and gas circuit controlling means, die clamping cylinder includes cylinder body and cylinder clamping unit, the cylinder body is located Z axle linear electric motor is last, the piston rod of cylinder body with Z axle linear electric motor's active cell seat is connected, gas circuit controlling means includes first solenoid valve and second solenoid valve, first solenoid valve with this body coupling of cylinder, the second solenoid valve with cylinder clamping unit connects, cylinder clamping unit is in press from both sides tightly when the second solenoid valve outage the piston rod of cylinder body. The improved Z-axis linear motor has an automatic braking and clamping function, and ensures that a moving part of the linear motor cannot fall down due to sudden power failure and gas cutoff or insufficient air pressure in the operation process, thereby avoiding the risk of collision.
Description
Technical Field
The application relates to a mechanical motion shaft in the vertical direction, in particular to a Z-axis linear motor balance control system.
Background
The precision requirement on the Z axis is higher and higher along with the application of precision numerical control machine tools, microscopes, laser cutting machines, glue dispensers, automatic assembly and the like. The traditional servo motor linear module has mechanical clearance in the driving process, the precision of the traditional servo motor linear module is determined not to be too high in structure, the repetition precision is +/-0.02 mm, and therefore the linear motor is more and more in the requirement of being used as a Z axis. At present, three Z-axis motors are basically arranged, namely, a method for balancing load weight by hanging a heavy object by using a pulley, a method for balancing load by using a spring compression characteristic and a method for balancing load by using a common air cylinder. The method has a complex structure and large occupied space, and the motor output is difficult to control to balance the load and the balance weight due to inertia during acceleration and deceleration. The second method has simple structure, occupies small space and is easy to realize. However, the spring tension changes in proportion to the stroke, so the stroke is not suitable to be too long, and the limitation is caused. In the third method, the thrust provided by the common air cylinder is used for offsetting the load weight, so that the load can not fall off after the load of the linear motor is powered off, but the load can directly fall and crash the machine if the air source is abnormal, the air pressure is insufficient or the air is powered off, and the equipment is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a Z axle linear electric motor balance control system has the self-actuating brake and presss from both sides tight function, guarantees that linear electric motor moving part can not fall owing to cut off the power supply suddenly when disconnected gas or atmospheric pressure is not enough in the operation process to the risk of hitting has been avoided.
In order to solve the above-mentioned problem, the embodiment of the present invention provides the following technical solutions:
the utility model provides a Z axle linear electric motor balance control system, includes Z axle linear electric motor, die clamping cylinder and gas circuit controlling means, die clamping cylinder includes cylinder body and cylinder clamping unit, the cylinder body is located on the Z axle linear electric motor, the piston rod of cylinder body with Z axle linear electric motor's active cell seat is connected, gas circuit controlling means includes first solenoid valve and second solenoid valve, first solenoid valve with this body coupling of cylinder, the second solenoid valve with cylinder clamping unit connects, cylinder clamping unit is in press from both sides tightly when the second solenoid valve outage the piston rod of cylinder body.
Further, a piston rod of the cylinder body extends out when the first electromagnetic valve is electrified and abuts against a rotor base of the Z-axis linear motor to balance the load of the Z-axis linear motor, and the cylinder clamping unit fails in clamping when the second electromagnetic valve is electrified.
Furthermore, the air path control device also comprises a pressure reducing valve, and an air path output by the pressure reducing valve is respectively connected with air inlets of the first electromagnetic valve and the second electromagnetic valve.
Further, the air path control device further comprises a pressure regulating valve and a pressure switch, and the pressure regulating valve and the pressure switch are arranged on the air path of the first electromagnetic valve and the air cylinder body.
Further, the pressure switch monitors the pressure change of the cylinder body and transmits a signal to a controller in the gas circuit control device, and the controller adjusts the pressure regulating valve to ensure that the jacking force of the cylinder body is consistent with the load of the Z-axis linear motor.
Further, the first solenoid valve and the second solenoid valve are single-acting solenoid valves, or the first solenoid valve and the second solenoid valve are double-acting solenoid valves.
Further, the pressure reducing valve is provided with a filter.
Furthermore, a piston rod of the cylinder body is provided with a connecting piece connected with a rotor base of the Z-axis linear motor.
Furthermore, mufflers are arranged at exhaust ports of the first electromagnetic valve and the second electromagnetic valve.
Compared with the prior art, the embodiment of the utility model provides a mainly have following beneficial effect:
a Z-axis linear motor balance control system is characterized in that when a first electromagnetic valve and a second electromagnetic valve are powered off, a gas circuit is closed, a cylinder clamping unit is in a normally closed clamping state, at the moment, the load of a Z-axis linear motor is locked and static in a vertical direction in the power-off and gas-off state, before the Z-axis linear motor is powered on and operates, the first electromagnetic valve is powered on, the gas circuit is conducted, gas enters a clamping cylinder to push a piston rod to move, the piston rod pushes a rotor base of the Z-axis linear motor to balance the load, then the second electromagnetic valve is powered on, the gas circuit is conducted, the gas enters the cylinder clamping unit, the clamping state of the cylinder clamping unit is relieved; under the condition of emergency power-off, the first electromagnetic valve and the second electromagnetic valve are both powered off and return to the initial position, and the air cylinder clamping unit is effectively held tightly when the air path is closed, so that the load is kept near the lower part of the position when the power-off is carried out, and the reaction time of the power-off of the first electromagnetic valve and the second electromagnetic valve is short, so that the load of the Z-axis linear motor only falls for a short distance. The Z-axis linear motor balance control system has an automatic brake clamping function, and ensures that a linear motor moving part cannot fall down due to sudden power failure and gas failure or insufficient air pressure in the operation process, thereby avoiding the risk of collision.
Drawings
In order to illustrate the solution of the present invention more clearly, the drawings needed for describing the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a balance control system of a Z-axis linear motor according to an embodiment of the present invention;
fig. 2 is a schematic view of an air path control device in an embodiment of the present invention.
Description of reference numerals:
1. a Z-axis linear motor; 2. a clamping cylinder; 21. a cylinder body; 22. a cylinder clamping unit; 3. a connecting member; 4. a pressure reducing valve; 5. a first solenoid valve; 6. a second solenoid valve; 7. a pressure regulating valve; 8. and (6) a pressure switch.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "including" and "having," and any variations thereof, in the description and claims of the present invention and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the related drawings.
Examples
The utility model provides a Z axle linear electric motor balance control system, as shown in fig. 1 and fig. 2, includes Z axle linear electric motor 1, die clamping cylinder 2 and gas circuit controlling means, die clamping cylinder 2 includes cylinder body 21 and cylinder clamping unit 22, cylinder body 21 locates on the Z axle linear electric motor 1, the piston rod of cylinder body 21 with Z axle linear electric motor 1's active cell seat is connected, gas circuit controlling means includes first solenoid valve 5 and second solenoid valve 6, first solenoid valve 5 with cylinder body 21 connects, second solenoid valve 6 with cylinder clamping unit 22 connects, cylinder clamping unit 22 is in press from both sides tightly when second solenoid valve 6 cuts off the power supply the piston rod of cylinder body 21.
The piston rod of the cylinder body 21 extends out when the first electromagnetic valve 5 is powered on and abuts against the rotor base of the Z-axis linear motor 1 to balance the load of the Z-axis linear motor 1, and the cylinder clamping unit 22 fails in clamping when the second electromagnetic valve 6 is powered on.
Gas in a gas source respectively enters the clamping cylinder 2 through the first electromagnetic valve 5 and enters the cylinder clamping unit 22 through the second electromagnetic valve 6 to form two gas circuits, when the first electromagnetic valve 5 and the second electromagnetic valve 6 are powered off, the gas circuits are closed, the cylinder clamping unit 22 is in a normally closed clamping state, at the moment, the load of the Z-axis linear motor 1 is locked and is static in the vertical direction in the power-off and gas-off state, before the Z-axis linear motor 1 is powered on and operates, the first electromagnetic valve 5 is powered on, the gas circuits are conducted, the gas enters the clamping cylinder 2 to push the piston rod to move, the piston rod props against the rotor base of the Z-axis linear motor 1 to balance the load, then the second electromagnetic valve 6 is powered on, the gas circuits are conducted, the gas enters the cylinder clamping unit 22 to release the clamping state of. Then the Z-axis linear motor 1 can run freely after being electrified. Under the condition of emergency power failure, the first electromagnetic valve 5 and the second electromagnetic valve 6 are both powered off and return to the initial position, and the air cylinder clamping unit 22 is effectively held tightly when the air path is closed, so that the load is kept nearby the lower part of the position when the power failure occurs, and the reaction time of the power failure of the first electromagnetic valve 5 and the second electromagnetic valve 6 is short, and the load of the Z-axis linear motor 1 only falls for a short distance. At this time, the Z-axis linear motor 1 can not be moved any more due to the abnormal air source or insufficient air pressure, thereby playing a role in protection. The embodiment of the utility model provides a Z axle linear electric motor balance control system has the self-actuating brake and presss from both sides tight function, guarantees that linear electric motor moving part can not fall owing to cut off the power supply suddenly when disconnected gas or atmospheric pressure is not enough in the operation process to the risk of hitting has been avoided.
The air path control device further comprises a pressure reducing valve 4, and an air path output by the pressure reducing valve 4 is respectively connected with air inlets of the first electromagnetic valve 5 and the second electromagnetic valve 6.
In the embodiment of the utility model provides an in, relief pressure valve 4 is equipped with the filter. The gas in the air supply enters a pressure reducing valve 4, impurities such as oil, water and dust in the compressed air are filtered through a filter, the stable air pressure is output, then the gas is divided into two gas paths to enter a first electromagnetic valve 5 and a second electromagnetic valve 6 respectively, and in other embodiments, the pressure reducing valve 4 can also be a filtering pressure reducing valve 4.
The air path control device further comprises a pressure regulating valve 7 and a pressure switch 8, wherein the pressure regulating valve 7 and the pressure switch 8 are arranged on the air paths of the first electromagnetic valve 5 and the air cylinder body 21.
The pressure switch 8 monitors pressure change of the cylinder body 21 and transmits a signal to a controller in the gas circuit control device, the controller adjusts the pressure regulating valve 7 to ensure that the jacking force of the cylinder body 21 is consistent with the load of the Z-axis linear motor 1, in the up-and-down operation process of the Z-axis linear motor 1, the air pressure in the cylinder body 21 can change along with the movement of the piston rod, the pressure switch 8 monitors pressure change of the cylinder body 21 in real time and provides the controller with the pressure regulating valve 7 to ensure that the jacking force of the cylinder body 21 is consistent with the load of the linear motor.
The embodiment of the utility model provides an in, first solenoid valve 5 and second solenoid valve 6 are the single action solenoid valve, in other embodiments, first solenoid valve 5 and second solenoid valve 6 can be for two effect solenoid valves.
And a piston rod of the cylinder body 21 is provided with a connecting piece 3 connected with a rotor base of the Z-axis linear motor 1.
And mufflers are arranged at the exhaust ports of the first electromagnetic valve 5 and the second electromagnetic valve 6.
The working process is as follows: the gas in the gas source respectively enters a pressure reducing valve 4, the pressure reducing valve 4 filters impurities such as oil, water, dust and the like in the compressed air and outputs stable gas pressure, then the gas flows respectively enter a first electromagnetic valve 5 and a second electromagnetic valve 6 by two gas paths, when the first electromagnetic valve 5 and the second electromagnetic valve 6 are powered off, the air path is closed, the air cylinder clamping unit 22 is in a normally closed clamping state, at the moment, the load of the Z-axis linear motor 1 is locked and static in the vertical direction in a power-off and gas-off state, before the Z-axis linear motor 1 is powered on and runs, the first electromagnetic valve 5 is powered on, the air path is conducted, air enters the clamping air cylinder 2 to push the piston rod to move, the piston rod props against the rotor seat of the Z-axis linear motor 1 to balance the load, then the second electromagnetic valve 6 is electrified, the gas path is conducted, the gas enters the cylinder clamping unit 22, and the clamping state of the cylinder clamping unit 22 is released, so that the clamping is disabled; then the Z-axis linear motor 1 can freely run after being electrified, in the process of running up and down, the air pressure in the air cylinder body 21 can change along with the movement of the piston rod, the pressure switch 8 monitors the pressure change of the air cylinder body 21 and transmits a signal to a controller in the air path control device, and the controller adjusts the pressure regulating valve 7 so as to ensure that the jacking force of the air cylinder body 21 is consistent with the load of the Z-axis linear motor 1; under the condition of emergency power failure, the first electromagnetic valve 5 and the second electromagnetic valve 6 are both powered off and return to the initial position, and the air cylinder clamping unit 22 is effectively held tightly when the air path is closed, so that the load is kept nearby the lower part of the position when the power failure occurs, and the reaction time of the power failure of the first electromagnetic valve 5 and the second electromagnetic valve 6 is short, and the load of the Z-axis linear motor 1 only falls for a short distance. At this moment, the air supply is unusual or atmospheric pressure is not enough can not make Z axle linear electric motor 1 motion again to play the guard action, the utility model provides a Z axle linear electric motor balance control system has the self-actuating brake and presss from both sides tight function, guarantees that linear electric motor moving part can not fall owing to cut off power supply suddenly when disconnected gas or atmospheric pressure is not enough in the operation process, thereby has avoided the risk of knocking into.
It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all of the embodiments, and the preferred embodiments of the present invention are shown in the drawings, but not limited to the scope of the present invention. The present invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents may be substituted for elements thereof. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.
Claims (9)
1. A Z-axis linear motor balance control system is characterized in that,
including Z axle linear electric motor, die clamping cylinder and gas circuit controlling means, die clamping cylinder includes cylinder body and cylinder clamping unit, the cylinder body is located on the Z axle linear electric motor, the piston rod of cylinder body with Z axle linear electric motor's active cell seat is connected, gas circuit controlling means includes first solenoid valve and second solenoid valve, first solenoid valve with this body coupling of cylinder, the second solenoid valve with cylinder clamping unit connects, cylinder clamping unit is in press from both sides tightly when the second solenoid valve outage the piston rod of cylinder body.
2. The Z-axis linear motor balance control system of claim 1,
and a piston rod of the cylinder body extends out when the first electromagnetic valve is electrified and props against a rotor base of the Z-axis linear motor so as to balance the load of the Z-axis linear motor, and the cylinder clamping unit fails in clamping when the second electromagnetic valve is electrified.
3. The Z-axis linear motor balance control system of claim 1,
the gas circuit control device further comprises a pressure reducing valve, and a gas circuit output by the pressure reducing valve is respectively connected with gas inlets of the first electromagnetic valve and the second electromagnetic valve.
4. The Z-axis linear motor balance control system of claim 1,
the air path control device further comprises a pressure regulating valve and a pressure switch, and the pressure regulating valve and the pressure switch are arranged on the air path of the first electromagnetic valve and the air cylinder body.
5. The Z-axis linear motor balance control system of claim 4,
the pressure switch monitors the pressure change of the cylinder body and transmits a signal to a controller in the gas circuit control device, and the controller adjusts the pressure regulating valve so as to ensure that the jacking force of the cylinder body is consistent with the load of the Z-axis linear motor.
6. The Z-axis linear motor balance control system of claim 1,
the first solenoid valve and the second solenoid valve are single-acting solenoid valves, or the first solenoid valve and the second solenoid valve are double-acting solenoid valves.
7. The Z-axis linear motor balance control system of claim 3,
the pressure reducing valve is provided with a filter.
8. The Z-axis linear motor balance control system of claim 1,
and a piston rod of the cylinder body is provided with a connecting piece connected with a rotor base of the Z-axis linear motor.
9. The Z-axis linear motor balance control system of claim 1,
and mufflers are arranged at the exhaust ports of the first electromagnetic valve and the second electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922478219.3U CN211720495U (en) | 2019-12-31 | 2019-12-31 | Z-axis linear motor balance control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922478219.3U CN211720495U (en) | 2019-12-31 | 2019-12-31 | Z-axis linear motor balance control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211720495U true CN211720495U (en) | 2020-10-20 |
Family
ID=72821739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922478219.3U Active CN211720495U (en) | 2019-12-31 | 2019-12-31 | Z-axis linear motor balance control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211720495U (en) |
-
2019
- 2019-12-31 CN CN201922478219.3U patent/CN211720495U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202411281U (en) | Novel hydraulic stamping machine | |
| CN101269781B (en) | Industrial production sling safety system and security protection method | |
| CN110836205A (en) | Active radial executing system and control method for bogie | |
| CN211720495U (en) | Z-axis linear motor balance control system | |
| CN201864520U (en) | Electric secondary braking hydraulic station of hoister | |
| CN215239538U (en) | Emergency stop brake mechanism and brake device | |
| CN202317693U (en) | Brake device of numerical control machine tool | |
| JPS63303204A (en) | Speed reducer for air cylinder | |
| CN212095436U (en) | Tool changing unloading structure of electric spindle | |
| CN202079147U (en) | Angle steel cutting blanking machine | |
| CN202673869U (en) | Large-scale gate type plate shearing machine hydraulic cylinder with buffer function | |
| CN203993501U (en) | Pneumatic control system | |
| CN108895049A (en) | A kind of Feedback Oil accurate positioning stabilization control device and method of hydraulic cylinder | |
| CN110219847A (en) | A kind of switch valve revolution buffer protection system for wet-spraying machine | |
| CN201385130Y (en) | C shaft brake mechanism in numerical control turning center | |
| JPH07223110A (en) | Method and device for shearing plate material | |
| CN213479007U (en) | Explosion-proof brake device structure based on hydraulic system | |
| CN111823635A (en) | Anti-interference control system for clutch brake of press | |
| CN201371308Y (en) | Anti-collision device of wireless rotary head of plasma cutting machine | |
| CN2928369Y (en) | Safety power transmission device for high speed processing center | |
| US7024991B2 (en) | Overload safety device in a press | |
| CN209319682U (en) | A kind of automatic axial compression mechanism | |
| CN208997055U (en) | A kind of Feedback Oil accurate positioning stabilization control device of hydraulic cylinder | |
| CN215934749U (en) | Emergency braking device for gantry linear motor of overhead travelling crane | |
| CN101294590A (en) | Three-level electrohydraulic servo valve emergency protecting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |