CN108890568B - Intelligent servo electric screwdriver - Google Patents
Intelligent servo electric screwdriver Download PDFInfo
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- CN108890568B CN108890568B CN201811085619.1A CN201811085619A CN108890568B CN 108890568 B CN108890568 B CN 108890568B CN 201811085619 A CN201811085619 A CN 201811085619A CN 108890568 B CN108890568 B CN 108890568B
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- screwdriver
- electric screwdriver
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
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- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses an intelligent servo electric screwdriver which comprises an electric screwdriver driving part, an electric screwdriver core part, a connecting seat, a sleeve, an upper cover and an aviation plug, wherein the electric screwdriver driving part is arranged on the connecting seat; the electric screwdriver core component is sleeved in a central hole of the connecting seat, the connecting seat is tightly connected with a motor mounting end face of the electric screwdriver driving component and then sleeved with the sleeve, and after the aviation plug is mounted on the upper cover, the upper cover is mounted on the upper end face of the sleeve. The intelligent servo electric screwdriver is driven by the servo speed reducing motor, and the screwdriver core adopts a long-interval bearing supporting mode, so that the running stability of the screwdriver and the accurate control of the torque rotating speed are improved, and the high precision, high rotating speed, data management and network management of the screwdriver are fundamentally realized.
Description
Technical Field
The invention relates to the technical field of machining, in particular to an intelligent servo electric screwdriver.
Background
The electric screwdriver is also called an electric screw driver and an electric screwdriver, is an electric tool for screwing and unscrewing screws, is mainly used for an assembly line, and is one of necessary tools for most production enterprises. Up to now, the mode of assembling by using an electric screwdriver is dominant in the manufacturing industries of electronics, mechanical hardware and the like, the conventional mode of locking screws mainly adopts a common electric screwdriver and locks by hands, the production efficiency is too low, the labor intensity is higher, and especially small electronic products have higher requirements on workers, such as eyesight, hand flexibility and the like.
Generally, locking a screw requires 6 steps, specifically: positioning a screwdriver head and a nut, screwing a screw into a thread screw hole, pre-screwing the screw, locking the screw in the middle, pre-positioning the screw and controlling the pressure maintaining of the screw. The specific locking targets are as follows:
(1) the 6 steps are completed in 1 second with all precision;
(2) parameters of each screw of the locking pair are accurately recorded and output;
(3) the screwdriver can automatically judge whether the locking result is OK or NG, and if the locking result is NG, automatic re-locking is needed.
However, the conventional electric screwdriver mainly has the following disadvantages:
(1) the machine has long time and poor control precision due to mechanical abrasion caused by various machining errors;
(2) precise position control cannot be performed;
(3) the torque force pressure maintaining time cannot be freely adjusted;
(4) data management cannot be realized, and network management cannot be realized;
(5) the acceleration of starting is high, and the impact on hands or a machine table is large;
(6) after the floating phenomenon occurs, the re-locking function can not be performed.
Disclosure of Invention
The present invention is directed to an intelligent servo electric screwdriver, which solves the above problems.
In order to achieve the purpose, the intelligent servo electric screwdriver provided by the invention comprises an electric screwdriver driving part, an electric screwdriver core part, a connecting seat, a sleeve, an upper cover and an aviation plug;
the electric screwdriver core component is sleeved in a central hole of the connecting seat, the connecting seat is tightly connected with a motor mounting end face of the electric screwdriver driving component and then sleeved with the sleeve, and after the aviation plug is mounted on the upper cover, the upper cover is mounted on the upper end face of the sleeve;
the electric screwdriver driving part comprises: the motor adopts a speed reduction motor set, and the coupler is arranged on an output shaft of the speed reduction motor set;
the electric batch core member includes: the upper end surface of the batch head main shaft is provided with a notch H, two side surfaces of the notch H are symmetrical to an axial lead, the middle part of the notch H is provided with a torsion transmission pin mounting hole phi B, the mounting hole phi B deviates from the axial lead by a distance K, a limiting ball mounting hole phi D and a clamping ring annular clamping groove phi G, the limiting ball is arranged in the mounting hole phi D, the clamping ring is sleeved in the annular clamping groove phi G, and the ball sliding sleeve is sleeved on a cylindrical surface phi E of the ball sliding sleeve and slides and rotates.
Preferably, the electric batch driving part further comprises: the sensor comprises a sensor support, a grating disc, a conductive ball seat, a circuit control board and a sensor shell, wherein the conductive ball is in sliding contact with the conical surface of the conductive ball seat, and the conductive ball seat is embedded in the circuit control board.
Preferably, the electric batch core member comprises: the upper end face of a motor mandrel of the motor is provided with a central taper hole A which is in sliding contact with the conductive ball.
Preferably, the ejector rod is arranged in a center hole phi M of the batch head main shaft, the lower end face of the ejector rod is contacted with the upper end face of the batch head, the step face of the ejector rod is contacted with an ejector rod spring, and the ejector rod spring is contacted with the output shaft of the motor.
Preferably, the torsion transmission shaft is inserted into the mounting hole Φ B of the batch head spindle and then is in sliding contact with the surface a and the surface B of the batch head, so that the torsion transmission shaft is driven by the batch head spindle to drive the batch head to rotate, thereby realizing the torsion transmission effect.
Preferably, the torque transmission shaft is placed in the mounting hole phi D, the torque transmission is realized by the contact of the cylindrical surface of the torque transmission shaft and the surface A of the screwdriver head, the output torque of the motor is transmitted to the screwdriver head, and meanwhile, the cylindrical surface of the torque transmission shaft is movably contacted with the surface B of the screwdriver head so as to limit the movement of the axial position of the torque transmission shaft.
The intelligent servo electric screwdriver is driven by the servo speed reducing motor, and the screwdriver core adopts a long-interval bearing supporting mode, so that the running stability of the screwdriver and the accurate control of the torque rotating speed are improved, and the high precision, high rotating speed, data management and network management of the screwdriver are fundamentally realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an intelligent servo electric screwdriver according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electric screwdriver driving component of an intelligent servo electric screwdriver according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an electric screwdriver core component of an intelligent servo electric screwdriver according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a batch head spindle of an intelligent servo electric screwdriver according to an embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the embodiment of the invention, referring to fig. 1, the intelligent servo electric screwdriver comprises an electric screwdriver driving part 1, an electric screwdriver core part 2, a connecting seat 3, a sleeve 4, an upper cover 5 and an aviation plug 6.
Furthermore, the electric screwdriver core component 3 is sleeved in a central hole of the connecting seat 2, the connecting seat 2 is tightly connected with a motor mounting end face of the electric screwdriver driving component 3 and then sleeved with the sleeve 4, and after the aviation plug 6 is mounted on the upper cover 5, the upper cover 5 is mounted on the upper end face of the sleeve 4.
Alternatively, referring to fig. 2, the electric batch drive part 1 includes: the sensor comprises a coupler 1.1, a motor 1.2, a sensor support 1.3, a grating disc 1.4, a conductive ball 1.5, a conductive ball seat 1.6, a circuit control board 1.7 and a sensor shell 1.8. The coupling 1.1 is tightly and fixedly connected with the output shaft of the motor. A central taper hole A is processed on the upper end face of a motor mandrel of a motor 1.2, the central taper hole A is in sliding contact with a conductive ball 1.5, the conductive ball 1.5 is in sliding contact with a conical surface of a conductive ball seat 1.6, and the conductive ball seat 1.6 is embedded in a circuit control board 1.7, so that static electricity generated by a batch head 2.1 is led into the circuit control board 1.7, and the static electricity is led out to be grounded outside through a plug socket on the circuit control board 1.7 so as to eliminate the harm of the static electricity.
In this embodiment, the motor 1.2 is a speed reduction motor set, and the coupling 1.1 is mounted on an output shaft of the speed reduction motor set.
Optionally, with reference to fig. 3 and 4, the electric batch core member 2 comprises: the screwdriver bit comprises a screwdriver bit 2.1, a ball sliding sleeve 2.2, a clamping ring 2.3, a sliding sleeve spring 2.4, a bearing sleeve 2.5, a hole clamp spring 2.6, a bearing 2.7, a limiting ball 2.8, a torsion transmission pin 2.9, a screwdriver bit main shaft 2.10, an ejector rod 2.11 and an ejector rod spring 2.12.
Furthermore, the upper end face of the batch head spindle 2.10 is provided with a notch H, two side faces of the notch H are symmetrical to the axis, the middle part of the notch H is provided with a torque transmission pin 2.9 installation hole phi B, and the installation hole phi B deviates from the axis by a distance K.
After the coupler 1.1 is inserted into the notch H of the screwdriver head spindle 2.10, the coupler 1.1 and the screwdriver head spindle 2.10 form a movable connection with circumferential positioning and axial sliding so as to drive the screwdriver head spindle 2.10 to rotate, and therefore the electric screwdriver driving part 1 and the electric screwdriver core part 2 can be conveniently installed and detached in a positioning mode.
Furthermore, the limiting ball 2.8 is placed in the mounting hole phi D of the spindle 2.10, the limiting ball 2.8 can move freely, the ball sliding sleeve 2.2 is sleeved on the cylindrical surface phi E of the ball sliding sleeve and slides and rotates, the ball sliding sleeve 2.2 is driven to slide on the outer cylindrical surface phi E of the batch head spindle 2.10 through the sliding sleeve spring 2.4, the limiting ball 2.8 is displaced into the annular arc surface C of the batch head 2.1, and therefore the batch head 2.1 is limited from moving up and down in the axial direction.
Further, the lower end of the batch head spindle 2.10 is also provided with an annular clamping groove phi G for placing a clamping ring 2.3. The clamping ring 2.3 is sleeved into the annular clamping groove phi G of the batch head spindle 2.10, so that the ball sliding sleeve 2.2 flexibly slides on the outer cylindrical surface phi E of the batch head spindle 2.10, and the ball sliding sleeve 2.2 is driven by the sliding sleeve spring 2.4 to be always in contact with the clamping ring 2.3 and limited. Further, after the torque transmission shaft 2.9 is inserted into the mounting hole Φ B of the batch head spindle 2.10, and is in sliding contact with the surface a and the surface B of the batch head 2.1, the torque transmission shaft 2.9 is driven by the batch head spindle 2.10, so that the batch head 2.1 is driven to rotate, and the torque transmission effect is realized.
In the embodiment, the ejector rod 2.11 is arranged in a central hole phi M of the batch head spindle 2.10, the lower end face of the ejector rod 2.11 is contacted with the upper end face of the batch head 2.1, the step face of the ejector rod 2.11 is contacted with the ejector rod spring 2.12, and the ejector rod spring 2.12 is contacted with the output shaft of the motor 1.2. The effect of the intelligent electric screwdriver is that static electricity generated by the screwdriver head 2.1 is conducted to the conductive ball 1.5 through the ejector rod 2.11, the ejector rod spring 2.12 and the output shaft of the motor 1.2, the conductive ball 1.5 is grounded through the circuit board 1.7, static electricity damage is eliminated through static electricity grounding, meanwhile, the ejector rod 2.11 exerts elasticity on the screwdriver head 2.1 under the action of the ejector rod spring 2.12, so that the initial gap of the screwdriver head is eliminated, and the initial positioning precision of the whole intelligent electric screwdriver is improved.
In this embodiment, after the coupler 1.1 is inserted into the slot H, two side surfaces of the slot H are in sliding contact with two side planes of the coupler 1.1, so as to facilitate the assembly between the electric batch driving component 1 and the electric batch core component 2 and drive the electric batch driving component to rotate.
Optionally, the torque transmission shaft 2.9 is placed in the installation hole Φ D, the torque transmission is realized by the contact of the cylindrical surface of the torque transmission shaft 2.9 and the surface a of the batch head 2.1, the output torque of the motor is transmitted to the batch head 2.1, and meanwhile, the cylindrical surface of the torque transmission shaft 2.9 is movably contacted with the surface B of the batch head 2.1, so as to limit the movement of the axial position.
Further, after the batch head 2.1 is inserted into the central hole Φ E, the limiting balls 2.8 slide into the annular arc surface C of the batch head 2.1 under the action of the ball sliding sleeve 2.2, so as to limit the axial movement of the batch head 2.1 and bear the axial force of the batch head 2.1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. An intelligent servo electric screwdriver is characterized by comprising an electric screwdriver driving part, an electric screwdriver core part, a connecting seat, a sleeve, an upper cover and an aviation plug;
the electric screwdriver core component is sleeved in a central hole of the connecting seat, the connecting seat is tightly connected with a motor mounting end face of the electric screwdriver driving component and then sleeved with the sleeve, and after the aviation plug is mounted on the upper cover, the upper cover is mounted on the upper end face of the sleeve;
the electric screwdriver driving part comprises: shaft coupling, motor, sensor support, grating dish, conductive ball seat, circuit control board and sensor housing, shaft coupling and motor output shaft be inseparable fixed connection, the motor dabber up end processing of motor have central taper hole A and central taper hole A with conductive ball sliding contact, conductive ball and conductive ball seat's conical surface sliding contact, conductive ball seat embedding be in circuit control board on.
2. The intelligent servo electric screwdriver as recited in claim 1, wherein said electric screwdriver core member comprises: the upper end surface of the batch head main shaft is provided with a notch H, two side surfaces of the notch H are symmetrical to an axial lead, the middle part of the notch H is provided with a torsion transmission pin mounting hole phi B, the mounting hole phi B deviates from the axial lead by a distance K, a limiting ball mounting hole phi D and a clamping ring annular clamping groove phi G, the limiting ball is arranged in the mounting hole phi D, the clamping ring is sleeved in the annular clamping groove phi G, and the ball sliding sleeve is sleeved on a cylindrical surface phi E of the ball sliding sleeve and slides and rotates.
3. The intelligent servo electric screwdriver as claimed in claim 2, wherein the ejector rod is placed in the central hole Φ M of the screwdriver head main shaft, the lower end surface of the ejector rod is in contact with the upper end surface of the screwdriver head, the step surface of the ejector rod is in contact with the ejector rod spring, and the ejector rod spring is in contact with the output shaft of the motor.
4. The intelligent servo electric screwdriver as claimed in claim 2, wherein the torque transmission shaft is inserted into the mounting hole Φ B of the screwdriver head main shaft and is in sliding contact with the a surface and the B surface of the screwdriver head, so that the screwdriver head main shaft drives the torque transmission shaft to rotate the screwdriver head, thereby achieving the torque transmission effect.
5. The intelligent servo electric screwdriver as recited in claim 2, wherein the torque transmission shaft is disposed in the mounting hole Φ D, and the torque transmission is achieved by contacting the cylindrical surface of the torque transmission shaft with the surface a of the screwdriver bit, so as to transmit the output torque of the motor to the screwdriver bit, and the cylindrical surface of the torque transmission shaft is in movable contact with the surface B of the screwdriver bit, so as to limit the movement of the axial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811085619.1A CN108890568B (en) | 2018-09-18 | 2018-09-18 | Intelligent servo electric screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811085619.1A CN108890568B (en) | 2018-09-18 | 2018-09-18 | Intelligent servo electric screwdriver |
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| Publication Number | Publication Date |
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| CN108890568A CN108890568A (en) | 2018-11-27 |
| CN108890568B true CN108890568B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811085619.1A Active CN108890568B (en) | 2018-09-18 | 2018-09-18 | Intelligent servo electric screwdriver |
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| CN (1) | CN108890568B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794912B (en) * | 2019-02-28 | 2021-09-21 | 苏州佳世达电通有限公司 | Electric lock structure |
| CN111730530B (en) * | 2019-03-25 | 2022-02-11 | 深圳市深丝微智能技术有限公司 | Intelligent anti-static electric screwdriver with double silver brushes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002057434A2 (en) * | 2001-01-22 | 2002-07-25 | Sfs Intec Holding Ag | Device for screwing in fastening elements |
| CN102967975B (en) * | 2012-11-16 | 2015-12-09 | 深圳市华星光电技术有限公司 | A kind of display panels and liquid crystal indicator |
| CN104552120A (en) * | 2013-10-18 | 2015-04-29 | 北京航天峰光电子技术有限责任公司 | High-precision capacitive-grating type digital-display torque spanner |
| CN206982549U (en) * | 2017-04-11 | 2018-02-09 | 广州市安埗自动化设备有限公司 | A kind of electric screw driver of antistatic |
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| CN108890568A (en) | 2018-11-27 |
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