CN115302533A - Control device and control system of high-precision electric actuating mechanism - Google Patents
Control device and control system of high-precision electric actuating mechanism Download PDFInfo
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- CN115302533A CN115302533A CN202211008251.5A CN202211008251A CN115302533A CN 115302533 A CN115302533 A CN 115302533A CN 202211008251 A CN202211008251 A CN 202211008251A CN 115302533 A CN115302533 A CN 115302533A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J13/00—Controls for manipulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/08—Gripping heads and other end effectors having finger members
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Abstract
The invention discloses a control device and a control system of a high-precision electric actuating mechanism, wherein the control device comprises a box-shaped base with an opening at the bottom, the top of the box-shaped base is fixedly connected with a controller and a U-shaped plate, the top of the U-shaped plate is fixedly connected with a mounting base, and the inner walls of two sides of the box-shaped base are provided with rectangular holes; two connecting seats are arranged below the box-shaped seat. The clamping device can synchronously drive the two U-shaped clamping blocks to perform clamping work towards the middle by using the driving motor, can reduce the clamping damage and the risk of being shaken off in the moving process after the clamping by using the elastic buffering of the first spring during clamping, is convenient for high-precision and accurate pressure control clamping according to different material parts by using a mode of automatically stopping the clamping and prompting by lighting when the preset clamping force is reached, reduces the risk of part clamping damage or unstable clamping, and improves the clamping stability.
Description
Technical Field
The invention relates to the technical field of electric actuating mechanisms, in particular to a control device and a control system of a high-precision electric actuating mechanism.
Background
In the application of the manipulator, the electric actuating mechanism is used for controlling the manipulator clamping block to clamp an object, so that the object can be taken and placed in production, and the clamping force of some manipulators is fixed, so that the electric actuating mechanism is directly utilized to control the clamping block to be rigidly clamped, and the following defects exist;
1. different objects have different clamping force requirements, a structure for accurately controlling pressure and clamping according to different objects is lacked, and the phenomenon of clamping damage is easy to occur on some fragile parts or unstable clamping occurs when the clamping force is small;
2. in view of the fact that the clamping is direct and rigid, a structure of an elastic buffer tightening clamp is lacked during the clamping work, some fragile parts are easily damaged, and the parts are easily vibrated and slide off between two clamping blocks when vibration occurs during the movement after the clamping, a control device and a control system of a high-precision electric actuator are provided for solving the problems.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a control device and a control system of a high-precision electric actuating mechanism.
The invention provides a control device of a high-precision electric actuating mechanism, which comprises a box-shaped seat, wherein the bottom of the box-shaped seat is provided with an opening, the top of the box-shaped seat is fixedly connected with a controller and a U-shaped plate, the top of the U-shaped plate is fixedly connected with a mounting seat, and the inner walls of two sides of the box-shaped seat are respectively provided with a rectangular hole;
two connecting seats are arranged below the box-shaped seat, one sides of the two connecting seats, which are close to each other, are fixedly connected with elastic pressure control guide mechanisms which are electrically connected with a controller, one ends of the two elastic pressure control guide mechanisms, which are close to each other, are fixedly connected with U-shaped clamping blocks, and the elastic pressure control guide mechanisms are used for transversely and elastically guiding the U-shaped clamping blocks and detecting the clamping force when an object is clamped;
a support is fixedly connected between the inner walls of the front side and the rear side of the box-shaped seat, elastic guide mechanisms are fixedly connected between two sides of the support and the inner walls of two sides of the box-shaped seat respectively, the bottoms of the two elastic guide mechanisms are fixedly connected with the tops of the corresponding connecting seats respectively, and the elastic guide mechanisms are used for transversely and elastically guiding the two connecting seats;
a driving motor electrically connected with the controller is fixedly mounted on the inner wall of the top of the U-shaped plate, and a thread driving mechanism fixedly connected with the bottom end of an output shaft of the driving motor is mounted at the top of the support;
two one side that the connecting seat kept away from each other all articulates there is extrusion actuating mechanism, and two extrusion actuating mechanism are used for driving two close displacements of connecting seat, and extrusion actuating mechanism's top extend to the rectangular hole that corresponds and with screw thread actuating mechanism's bottom fixed connection, screw thread actuating mechanism is used for two extrusion actuating mechanism downward displacements of synchronous drive.
Preferably, the elastic pressure control guide mechanism comprises a U-shaped seat, the two U-shaped seats are symmetrically arranged and fixed on one side of each of the two connecting seats, a movable plate is arranged on one side of each of the two connecting seats, two first springs are fixedly connected between one side of each of the two movable plates, which is far away from the corresponding connecting seat, and the corresponding connecting seat, a pressure sensor is fixedly connected on one side of each of the two movable plates, a connecting plate is fixedly connected on one side of each of the two pressure sensors, which is close to the corresponding U-shaped clamping block, and two guide columns are fixedly connected between one side of each of the connecting plates, which is close to the corresponding U-shaped clamping block, a U-shaped seat sliding sleeve is arranged on the corresponding two guide columns, two T-shaped guide rods are fixedly connected on one side of each of the two movable plates, a connecting plate sliding sleeve is arranged on the corresponding two T-shaped guide rods, a U-shaped clamping block movable sleeve is arranged on the corresponding U-shaped seat, the first springs, the movable plates, the pressure sensors, the connecting plates and the guide columns are matched with the guide columns, the two U-shaped blocks can be driven to drive the clamp to control the clamp to accurately control the closing force of the clamp and feed back the clamp to the accurate control of the motor.
Preferably, the elastic guide mechanism comprises two guide pillars, two ends of each guide pillar are fixedly connected with the side wall of the box-shaped seat and the outer side of the support respectively, the two guide pillars located on the same side are slidably sleeved with the same moving seat, the bottoms of the two moving seats are fixedly connected with the tops of the corresponding connecting seats respectively, a second spring is fixedly connected between one side of each moving seat close to the support and the support, the second spring is movably sleeved on the corresponding guide pillar located above, and the arranged guide pillars, the moving seats and the second springs are matched to guide the transverse springs of the connecting seats.
Preferably, screw thread actuating mechanism is including rotating the screw rod of connecting at the support top, and the outside thread bush of screw rod is equipped with the internal thread cover, and the fixed cover in outside of internal thread cover is equipped with the lifter plate, and the both ends of lifter plate extend to the rectangle downthehole that corresponds respectively, and the top of screw rod and driving motor's output shaft bottom fixed connection, screw rod, internal thread cover, lifter plate and the driving motor cooperation that set up can drive the lifter plate and move from top to bottom.
Preferably, the extrusion actuating mechanism comprises extrusion rods arranged obliquely, the two extrusion rods are symmetrically arranged, the bottoms of the two extrusion rods are hinged to one side, away from each other, of the two connecting seats respectively, the top ends of the extrusion rods are hinged to T-shaped rods, the top ends of the T-shaped rods extend into corresponding rectangular holes and are fixedly connected with the bottoms of the lifting plates, through holes are formed in the inner walls of the bottoms of the rectangular holes, two balls are nested on the inner walls of four sides of each through hole, the T-shaped rods are located between the corresponding eight balls and are in movable contact with the balls, the extrusion rods, the T-shaped rods and the balls are matched, the two connecting seats can be synchronously driven to move towards the middle when the lifting plates move downwards, and therefore the two U-shaped clamping blocks can be driven to clamp the middle.
Preferably, the top of the box-shaped base is fixedly connected with a pressure display, the top of the pressure display is fixedly connected with an indicator light, and the indicator light and the pressure display are both electrically connected with the controller.
Preferably, a through hole is formed in the inner wall of the top of the box-shaped seat, the screw rod is located in the through hole, a light-touch closing switch electrically connected with the controller is fixedly connected to the inner wall of the left side of the through hole, and the bottom of the light-touch closing switch is a touch end and is in movable contact with the top of the lifting plate.
Preferably, the two U-shaped clamping blocks are symmetrically arranged, and anti-skid rubber sheets are fixedly bonded on the sides, close to each other, of the two U-shaped clamping blocks.
The invention also provides a control system of the control device of the high-precision electric actuator, which comprises a control device, a controller, a pressure sensing module, a pressure return control module, a driving motor, a pressure display module and an indication reminding module, wherein the control device is the control device of the high-precision electric actuator, the pressure sensing module is the pressure sensor, the pressure return control module is the light-touch closing switch, the pressure display module is the pressure display, the indication reminding module is the indicator lamp, the light-touch closing switch, the pressure display and the driving motor are all controlled by the controller, the indication reminding module is arranged for reminding personnel by lighting the lamp when the clamping force is reached, the pressure display module is used for displaying the clamping force of the two U-shaped clamping blocks on an object in real time, and the pressure sensing module is used for detecting the clamping force in real time and transmitting the clamping force to the controller so as to automatically control the driving motor to be closed in time when the closing pressure value of the driving motor is preset, thereby controlling the clamping force when the clamping works in high-precision.
Compared with the prior art, the invention has the beneficial effects that:
the two connecting seats are driven to move towards the middle by the two elastic pressure control guide mechanisms, so that clamping work is carried out, and the effect of synchronously driving the two U-shaped clamping blocks to move close to each other by the driving motor is achieved;
through the arranged controller and the elastic pressure control guide mechanism, when the two U-shaped clamping blocks are driven to clamp the material parts, the first spring is utilized to perform elastic buffering, tightening and clamping, and the clamping force can be detected and transmitted to the controller, so that accurate pressure control and clamping can be conveniently performed after the controller presets the closing pressure of the driving motor, and further, accurate pressure control and clamping can be conveniently performed according to the high accuracy of different material parts;
through controller, pressure display and the pilot lamp that sets up, can automatic light warning personnel of warning when reaching the centre gripping dynamics, can show the clamping dynamics in real time, make things convenient for personnel to know and control.
The clamping device can synchronously drive the two U-shaped clamping blocks to perform clamping work towards the middle by using the driving motor, can reduce the clamping damage and the risk of being shaken off in the moving process after the clamping by using the elastic buffering of the first spring during clamping, is convenient for high-precision and accurate pressure control clamping according to different material parts by using a mode of automatically stopping the clamping and prompting by lighting when the preset clamping force is reached, reduces the risk of part clamping damage or unstable clamping, and improves the clamping stability.
Drawings
FIG. 1 is a schematic structural diagram of a control device of a high-precision electric actuator according to the present invention;
FIG. 2 is a schematic cross-sectional view of a control device of a high-precision electric actuator according to the present invention;
FIG. 3 is an enlarged view of part A of FIG. 2;
FIG. 4 is a schematic perspective view of a box-shaped base, a U-shaped plate and a mounting base connecting piece of a control device of a high-precision electric actuator according to the present invention;
FIG. 5 is a schematic perspective view of a lifter plate and a T-bar linkage of a control device of a high-precision electric actuator according to the present invention;
fig. 6 is a control system block diagram of a control device of a high-precision electric actuator according to the present invention.
In the figure: 1. a box-shaped seat; 2. a U-shaped plate; 3. a mounting seat; 4. a support; 5. a guide post; 6. a movable seat; 7. a second spring; 8. a connecting seat; 9. a U-shaped seat; 10. a U-shaped clamping block; 11. a guide post; 12. a connecting plate; 13. a first spring; 14. moving the plate; 15. a pressure sensor; 16. a T-shaped guide rod; 17. a rectangular hole; 18. an extrusion stem; 19. a screw; 20. an internal thread sleeve; 21. a lifting plate; 22. a drive motor; 23. a tact shutdown switch; 24. a controller; 25. a pressure display; 26. an indicator light; 27. a through hole; 28. a T-shaped rod; 29. a ball bearing; 30. and (5) perforating.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-5, the present embodiment provides a control device for a high-precision electric actuator, which includes a box-shaped base 1 with an opening at the bottom, a controller 24 and a U-shaped plate 2 are fixedly connected to the top of the box-shaped base 1, a mounting base 3 is fixedly connected to the top of the U-shaped plate 2, and rectangular holes 17 are formed on the inner walls of both sides of the box-shaped base 1;
two connecting seats 8 are arranged below the box-shaped seat 1, one sides of the two connecting seats 8, which are close to each other, are fixedly connected with elastic pressure control guide mechanisms which are electrically connected with a controller 24, one ends of the two elastic pressure control guide mechanisms, which are close to each other, are fixedly connected with U-shaped clamping blocks 10, and the elastic pressure control guide mechanisms are used for transversely and elastically guiding the U-shaped clamping blocks 10 and detecting clamping force when clamping an object so as to feed back the clamping force to the controller 24 for pressure control clamping;
a support 4 is fixedly connected between the inner walls of the front side and the rear side of the box-shaped seat 1, elastic guide mechanisms are fixedly connected between two sides of the support 4 and the inner walls of two sides of the box-shaped seat 1 respectively, the bottoms of the two elastic guide mechanisms are fixedly connected with the tops of the corresponding connecting seats 8 respectively, and the elastic guide mechanisms are used for transversely and elastically guiding the two connecting seats 8;
a driving motor 22 electrically connected with a controller 24 is fixedly installed on the inner wall of the top of the U-shaped plate 2, and a thread driving mechanism fixedly connected with the bottom end of an output shaft of the driving motor 22 is installed on the top of the support 4;
one side that two connecting seats 8 kept away from each other all articulates there is extrusion actuating mechanism, and two extrusion actuating mechanism are used for driving two adjacent displacements of connecting seat 8, and extrusion actuating mechanism's top extend to in the rectangular hole 17 that corresponds and with screw thread actuating mechanism's bottom fixed connection, screw thread actuating mechanism is used for two extrusion actuating mechanism downward displacements of synchronous drive.
Specifically, the elastic pressure control guide mechanism comprises U-shaped seats 9, the two U-shaped seats 9 are symmetrically arranged and respectively fixed at one side of the two connecting seats 8 close to each other, moving plates 14 are respectively arranged at one side of the two connecting seats 8 close to each other, two first springs 13 are respectively fixedly connected between one side of the two moving plates 14 far away from each other and the corresponding connecting seats 8, pressure sensors 15 are respectively fixedly connected at one side of the two moving plates 14 close to each other, connecting plates 12 are respectively fixedly connected at one sides of the two pressure sensors 15 close to each other, two guide columns 11 are fixedly connected between one side of the connecting plate 12 close to the corresponding U-shaped clamping block 10 and the U-shaped clamping block 10, the U-shaped seats 9 are slidably sleeved on the corresponding two guide columns 11, wherein one side of the U-shaped seats 9 is provided with two first guide holes respectively slidably connected with the outer sides of the corresponding guide columns 11, the U-shaped seats 9 are slidably sleeved on the two guide columns 11 through the two first guide holes, the effect of transversely sliding and guiding the guide column 11 is achieved, two T-shaped guide rods 16 are fixedly connected to one side, close to each other, of each of the two movable plates 14, the connecting plate 12 is slidably sleeved on the corresponding two T-shaped guide rods 16, two second guide holes which are respectively in sliding connection with the outer sides of the corresponding T-shaped guide rods 16 are formed in one side of the connecting plate 12, the effect of transversely sliding and guiding the T-shaped guide rods 16 is achieved, the U-shaped clamping blocks 10 are movably sleeved on the corresponding U-shaped seats 9, the arranged U-shaped seats 9, the first springs 13, the movable plates 14, the pressure sensors 15 and the connecting plate 12 are matched with the guide column 11, the two U-shaped clamping blocks 10 can be driven to move close to each other when the two connecting seats 8 move close to each other, the U-shaped clamping blocks 10 can be transversely and elastically guided by the first springs 13 and the guide columns 11, and the connecting seats 8 which can continue to move to clamp articles by the two U-shaped clamping blocks 10 can be used for driving the first springs 13 to move close to move to the first springs 13 And compressing to elastically tighten and clamp, and detecting the extrusion clamping force by using the pressure sensor 15 and feeding back to the controller 24, so that the controller 24 controls the driving motor 22 to be closed in time, the effect of accurately controlling the clamping force is achieved, and the pressure-controlled clamping is realized.
Furthermore, the elastic guide mechanism comprises two guide pillars 5, two ends of each guide pillar 5 are respectively and fixedly connected with the side wall of the box-shaped base 1 and the outer side of the support 4, the two guide pillars 5 positioned on the same side are slidably sleeved with the same moving base 6, one side of the moving base 6 is provided with two third guide holes respectively and slidably connected with the outer sides of the corresponding guide pillars 5, the moving base 6 is slidably sleeved on the two guide pillars 5 through the corresponding two third guide holes to achieve the effect of transversely sliding and guiding the guide pillars 5, the bottoms of the two moving bases 6 are respectively and fixedly connected with the tops of the corresponding connecting bases 8, a second spring 7 is fixedly connected between one side of the moving base 6 close to the support 4 and the support 4, the second spring 7 is movably sleeved on the corresponding guide pillar 5 positioned above, and the guide pillars 5, the moving bases 6 and the second springs 7 are matched to guide the transverse springs of the connecting bases 8, and the connecting bases 8 can assist the subsequent outward movement of the connecting bases 8 by utilizing the elastic force generated when the second springs 7 reset after the second springs 7 are compressed.
Further, screw thread actuating mechanism is including rotating screw rod 19 of connecting at support 4 top, wherein support 4's top fixedly connected with bearing, the inboard outside fixed connection with screw rod 19 of inner circle of bearing, screw rod 19 passes through the bearing and rotates the top of installing at support 4, play the effect to screw rod 19 rotational support, screw rod 19's outside thread bush is equipped with internal thread cover 20, the fixed cover in outside of internal thread cover 20 is equipped with lifter plate 21, wherein lifter plate 21's top is seted up with the suit hole of the 20 outside welded fastening of internal thread cover, lifter plate 21 passes through the fixed cover of suit hole and establishes on internal thread cover 20, lifter plate 21's both ends extend respectively to in the rectangular hole 17 that corresponds, the top of screw rod 19 and driving motor 22's output shaft bottom fixed connection, screw rod 19 that sets up, internal thread cover 20, lifter plate 21 and driving motor 22 cooperation, can drive lifter plate 21 upper and lower displacement.
Further, the extrusion driving mechanism comprises extrusion rods 18 which are obliquely arranged, the two extrusion rods 18 are symmetrically arranged, the bottom ends of the two extrusion rods 18 are respectively hinged with one side, away from each other, of the two connecting seats 8, the top ends of the extrusion rods 18 are hinged with T-shaped rods 28, the top ends of the T-shaped rods 28 extend into corresponding rectangular holes 17 and are fixedly connected with the bottoms of the lifting plates 21, through holes 30 are formed in the inner walls of the bottoms of the rectangular holes 17, two balls 29 are nested on the inner walls of four sides of the through holes 30, the T-shaped rods 28 are located between the eight corresponding balls 29 and are in movable contact with the balls 29, the arranged balls 29 can reduce friction force generated when the T-shaped rods 28 move up and down while guiding the T-shaped rods 28 up and down, so that the T-shaped rods can move smoothly, the arranged extrusion rods 18 and the T-shaped rods 28 are matched with the balls 29, the two extrusion rods 18 can be synchronously driven to rotate and extrude the two connecting seats 8 towards the middle when the lifting plates 21 move down, so that the two connecting seats 8 can be synchronously driven to move towards the middle, and then the two U-shaped clamping blocks 10 can be driven to clamp towards the middle.
Further, the top fixedly connected with pressure display 25 of box-shaped seat 1, the top fixedly connected with pilot lamp 26 of pressure display 25, pilot lamp 26 and pressure display 25 all with controller 24 electric connection, the pressure display 25 that sets up plays the effect of real-time demonstration clamping pressure, the pilot lamp 26 that sets up plays the effect of bright lamp warning when reaching preset clamping dynamics.
Furthermore, a through hole 27 is formed in the inner wall of the top of the box-shaped base 1, the screw rod 19 is located in the through hole 27, a light-touch closing switch 23 electrically connected with the controller 24 is fixedly connected to the inner wall of the left side of the through hole 27, the bottom of the light-touch closing switch 23 is a touch end and is in movable contact with the top of the lifting plate 21, and the set light-touch closing switch 23 is used for transmitting a closing signal to the controller 24 when the lifting plate 21 moves up, resets, aligns and extrudes to control the driving motor 22 to be closed, so that an accurate reset closing effect is achieved.
Furthermore, the two U-shaped clamping blocks 10 are symmetrically arranged, and anti-skid rubber sheets are fixedly bonded on the sides, close to each other, of the two U-shaped clamping blocks 10, so that an anti-skid effect is achieved when an object is clamped.
Referring to fig. 6, the present embodiment further provides a control system of a control device of a high-precision electric actuator, including the control device, a controller 24, a pressure sensing module, a pressure return control module, a driving motor 22, a pressure display module and an indication reminding module, where the control device is the control device of the high-precision electric actuator, the pressure sensing module is the pressure sensor 15, the pressure return control module is the above-mentioned light-touch closing switch 23, the pressure display module is the above-mentioned pressure display 25, the indication reminding module is the above-mentioned indicator light 26, the light-touch closing switch 23, the pressure display 25 and the driving motor 22 are all controlled by the controller 24, the indication reminding module is provided to remind a person by lighting the light when the clamping force is reached, so that the person can clearly know the clamping force, the pressure display module is used to display the clamping force of the two U-shaped clamping blocks 10 on the object in real time, so that the person can control the clamping force, the pressure sensing module is used to detect the clamping force in real time and transmit the clamping force to the controller 24, so that the driving motor 22 is automatically controlled to close when the clamping force is preset, and the clamping force is not stable, so that the clamping force is added, and the clamping force is not stable.
In the embodiment, the closing pressure value of the driving motor 22 is set by the controller 24 according to different types of material parts in advance, the driving motor 22 is started to drive the screw rod 19 to rotate by positive direction, the screw rod 19 can drive the internal thread sleeve 20 to move downwards by rotation, the internal thread sleeve 20 drives the lifting plate 21 to move downwards, the lifting plate 21 drives the two extrusion rods 18 to rotate and extrude the two connecting seats 8 towards the middle through the two T-shaped rods 28, under the extrusion force, the two connecting seats 8 respectively slide towards the adjacent directions on the corresponding two guide pillars 5 and compress the two second springs 7, the connecting seats 8 sequentially pass through the corresponding first springs 13, the movable plate 14, the pressure sensors 15, the connecting plate 12 and the guide pillars 11 to drive the U-shaped clamping blocks 10 to move, and the two U-shaped clamping blocks 10 drive the two anti-skid films to clamp the parts towards the middle;
when two U-shaped clamping blocks 10 respectively contact with two sides of a part towards the middle, the U-shaped clamping blocks are shielded and limited by the two U-shaped clamping blocks, at the moment, two connecting seats 8 which continuously move towards the middle drive two U-shaped seats 9 to move close to each other and gradually compress a plurality of first springs 13, the elastic force of the first springs 13 in a compressed state elastically tightens corresponding movable plates 14, at the moment, the movable plates 14 tighten and extrude corresponding pressure sensors 15, the pressure sensors 15 tightly press the U-shaped clamping blocks 10 sequentially through corresponding connecting plates 12 and guide columns 11, the effect of elastically tightening and clamping the part is achieved, the gradual compression process of the first springs 13 is utilized, the effect of gradually buffering, tightening and clamping can be achieved, when vibration occurs in clamping and moving, the corresponding U-shaped clamping blocks 10 are driven to adaptively displace by the elastic force of the first springs 13, the anti-skid rubber leather is always driven to be self-adaptively tightened and attached to the outer side of the part, the risk of part shock falling is reduced, and the stability of moving after clamping is improved;
when the first spring 13 is compressed to produce tightening extrusion on the moving plate 14 and the pressure sensor 15, the pressure sensor 15 detects extrusion force and transmits the extrusion force to the controller 24, when the extrusion force reaches a preset value, the extrusion force represents that the clamping force on the part reaches the preset value, at the moment, the controller 24 controls the driving motor 22 to be automatically closed, the clamping work is stopped continuously, the indicator lamp 26 is controlled to be turned on to remind personnel so that the personnel can clearly know the extrusion force, meanwhile, the controller 24 controls the pressure display 25 to display the extrusion force in the clamping process in real time in the clamping work so that the personnel can control the clamping work, and by means of automatically controlling the driving motor 22 to stop when the preset clamping force is reached, the high-precision pressure-control clamping of parts according to different materials is facilitated, and the risk of part clamping loss or unstable clamping is reduced;
when the clamping is subsequently released, the driving motor 22 is started reversely, similarly, the movement direction of the driving motor 22 is completely opposite to the movement direction of the driving motor 22 started forwardly, at this time, the lifting plate 21 moves back upwards, the extrusion rod 18 is driven to rotate upwards through the T-shaped rod 28 to loosen the extrusion force on the connecting seat 8, at this time, the second spring 7 in a compressed state drives the connecting seat 8 to move back outwards through the corresponding moving seat 6 to reset, so that the two U-shaped clamping blocks 10 can be driven to move back to reset in the repellent direction, until the lifting plate 21 moves upwards to extrude and touch the tact closing switch 23, the tact closing switch 23 transmits a closing signal to the controller 24, and the controller 24 controls the driving motor 22 and the indicator lamp 26 to be closed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A control device of a high-precision electric actuating mechanism comprises a box-shaped seat (1) with an opening at the bottom, and is characterized in that the top of the box-shaped seat (1) is fixedly connected with a controller (24) and a U-shaped plate (2), the top of the U-shaped plate (2) is fixedly connected with a mounting seat (3), and the inner walls of two sides of the box-shaped seat (1) are respectively provided with a rectangular hole (17);
two connecting seats (8) are arranged below the box-shaped seat (1), one sides of the two connecting seats (8) close to each other are fixedly connected with elastic pressure control guide mechanisms electrically connected with a controller (24), and one ends of the two elastic pressure control guide mechanisms close to each other are fixedly connected with U-shaped clamping blocks (10);
a support (4) is fixedly connected between the inner walls of the front side and the rear side of the box-shaped seat (1), elastic guide mechanisms are fixedly connected between two sides of the support (4) and the inner walls of two sides of the box-shaped seat (1) respectively, and the bottoms of the two elastic guide mechanisms are fixedly connected with the tops of the corresponding connecting seats (8) respectively;
a driving motor (22) electrically connected with a controller (24) is fixedly mounted on the inner wall of the top of the U-shaped plate (2), and a thread driving mechanism fixedly connected with the bottom end of an output shaft of the driving motor (22) is mounted at the top of the support (4);
two one side that connecting seat (8) kept away from each other all articulates there is extrusion actuating mechanism, and extrusion actuating mechanism's top extends to in corresponding rectangular hole (17) and with screw thread actuating mechanism's bottom fixed connection.
2. The control device of the high-precision electric actuator according to claim 1, wherein the elastic pressure control guide mechanism comprises a U-shaped seat (9), the two U-shaped seats (9) are symmetrically arranged and fixed on one side of the two connecting seats (8) close to each other, moving plates (14) are arranged on one sides of the two connecting seats (8) close to each other, two first springs (13) are fixedly connected between one sides of the two moving plates (14) far away from each other and the corresponding connecting seats (8), pressure sensors (15) are fixedly connected on one sides of the two moving plates (14) close to each other, connecting plates (12) are fixedly connected on one sides of the two pressure sensors (15) close to each other, two guide columns (11) are fixedly connected between one sides of the connecting plates (12) close to the corresponding U-shaped clamping blocks (10) and the U-shaped clamping blocks (10), the U-shaped seats (9) are slidably sleeved on the corresponding two guide columns (11), two T-shaped guide rods (16) are fixedly connected on one sides of the two moving plates (14) close to each other, the connecting plates (12) are slidably sleeved on the corresponding U-shaped guide rods (16), and the corresponding U-shaped clamping blocks (10) are sleeved on the corresponding U-shaped clamping blocks (9).
3. The control device of a high-precision electric actuator according to claim 1, wherein the elastic guide mechanism comprises two guide posts (5), two ends of each guide post (5) are respectively fixedly connected with the side wall of the box-shaped base (1) and the outer side of the support (4), the two guide posts (5) on the same side are slidably sleeved with the same moving base (6), the bottoms of the two moving bases (6) are respectively fixedly connected with the tops of the corresponding connecting bases (8), a second spring (7) is fixedly connected between one side of the moving base (6) close to the support (4) and the support (4), and the second spring (7) is movably sleeved on the corresponding guide post (5) on the upper side.
4. The control device of the high-precision electric actuator according to claim 1, wherein the screw driving mechanism comprises a screw (19) rotatably connected to the top of the support (4), an internal thread sleeve (20) is threadedly sleeved on the outer side of the screw (19), a lifting plate (21) is fixedly sleeved on the outer side of the internal thread sleeve (20), two ends of the lifting plate (21) respectively extend into the corresponding rectangular holes (17), and the top end of the screw (19) is fixedly connected with the bottom end of the output shaft of the driving motor (22).
5. The control device of the high-precision electric actuator according to claim 4, wherein the extrusion driving mechanism comprises extrusion rods (18) which are obliquely arranged, the two extrusion rods (18) are symmetrically arranged, the bottom ends of the two extrusion rods (18) are respectively hinged with one side, away from each other, of the two connecting seats (8), the top ends of the extrusion rods (18) are hinged with T-shaped rods (28), the top ends of the T-shaped rods (28) extend into the corresponding rectangular holes (17) and are fixedly connected with the bottom of the lifting plate (21), through holes (30) are formed in the inner walls of the bottom of the rectangular holes (17), two balls (29) are nested on the inner walls of four sides of each through hole (30), and the T-shaped rods (28) are located between the corresponding eight balls (29) and are in movable contact with the balls (29).
6. A high accuracy electric actuator control device according to claim 1, characterized in that the top of the box shaped holder (1) is fixedly connected with a pressure display (25), the top of the pressure display (25) is fixedly connected with an indicator light (26), and the indicator light (26) and the pressure display (25) are both electrically connected with the controller (24).
7. The control device of the high-precision electric actuator according to claim 4, wherein a through hole (27) is formed in the inner wall of the top of the box-shaped base (1), the screw (19) is located in the through hole (27), a light-touch closing switch (23) electrically connected with the controller (24) is fixedly connected to the inner wall of the left side of the through hole (27), and the bottom of the light-touch closing switch (23) is a touch end and is in movable contact with the top of the lifting plate (21).
8. The control device of the high-precision electric actuator according to claim 1, wherein the two U-shaped clamping blocks (10) are symmetrically arranged, and the anti-skid rubber is fixedly bonded on the side, close to each other, of each of the two U-shaped clamping blocks (10).
9. A control system of a control device of a high-precision electric actuator comprises the control device, a controller (24), a pressure sensing module, a pressure return control module, a driving motor (22), a pressure display module and an indication reminding module, and is characterized in that the control device is the control device of the high-precision electric actuator according to any one of claims 1 to 8, the pressure sensing module is the pressure sensor (15) according to claim 2, the pressure return control module is the tact closing switch (23) according to claim 7, the pressure display module is the pressure display (25) according to claim 6, the indication reminding module is the indicator light (26) according to claim 6, and the tact closing switch (23), the pressure display (25) and the driving motor (22) are all controlled by the controller (24).
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CN202211008251.5A CN115302533A (en) | 2022-08-22 | 2022-08-22 | Control device and control system of high-precision electric actuating mechanism |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117921735A (en) * | 2024-03-21 | 2024-04-26 | 长沙立诚机械有限公司 | Automatic mechanical device of taking of welding high temperature metal |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117921735A (en) * | 2024-03-21 | 2024-04-26 | 长沙立诚机械有限公司 | Automatic mechanical device of taking of welding high temperature metal |
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Inventor after: Zheng Xiuhong Inventor after: Huang Xianghan Inventor after: Huang Jiaying Inventor before: Zheng Xiuhong |