CN114244002B - Connecting device for cable interface of servo motor - Google Patents
Connecting device for cable interface of servo motor Download PDFInfo
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- CN114244002B CN114244002B CN202111526777.8A CN202111526777A CN114244002B CN 114244002 B CN114244002 B CN 114244002B CN 202111526777 A CN202111526777 A CN 202111526777A CN 114244002 B CN114244002 B CN 114244002B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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Abstract
The invention discloses a cable interface and a cable for a servo motor, belonging to the technical field of servo motors; two parallel insertion ports are arranged on the left side and the right side of the cable interface; the shell is provided with a bracket sliding along the shell, and the bracket is provided with a positioning groove; the cable joint is provided with an installation sleeve, the front end of the installation sleeve is a connecting end, and the rear end of the installation sleeve is a turning end; the connecting end comprises a plug board positioned on the side wall and a supporting column at the bottom; the turning end is led out from the left side and the right side of the connecting end to form two directional arms, a support rod is fixedly connected between the tail ends of the directional arms, and a turning ball is inserted in the middle of the support rod; two convex clamping platforms are arranged on the outer side wall of the turning ball, and the clamping platforms are cylindrical, and L-shaped rotating arms are sleeved on the outer sides of the clamping platforms; cable channels are arranged in the middle of the turning ball, the clamping table and the rotating arm; two sets of deconcentrators are fixedly sleeved on the supporting rod and comprise a turntable and a protective sleeve sleeved on the outer side of the turntable, and the outlet of each protective sleeve corresponds to the outlet of the turning ball and the outlet of one clamping table respectively. The cable is convenient and quick to install and convenient for angle adjustment.
Description
Technical Field
The invention relates to the technical field of servo motors, in particular to a connecting device for a cable interface of a servo motor.
Background
The servo motor is an actuating element widely applied to an automatic control system and a computing device, is very accurate in control speed and position precision, and converts a voltage signal into torque and rotating speed to drive a control object. The high-precision control characteristics and the working characteristics have higher requirements on all components of the servo motor, including the connection of a cable interface between the servo motor and a driver.
Prior art's servo motor interface and cable connection structure are single, mostly through the mode of cable and interface grafting or thread tightening, under servo motor's the complicated or narrow and small condition in space of application environment, often need adjust the cable angle behind cable and the interface connection, and the accommodation process of cable angle can make the bending to the cable, shape sudden change such as folding, thereby make the internal stress increase suddenly, accommodation process also can make cable and interface atress, to interface pressure increase when the angle is too big or deformation is complicated, long-term use probably leads to interface connection's compactness to descend or interface components and parts's damage, influence normal use. In addition, the connection mode of a single cable and an interface is difficult to deal with variable working environments, such as: the motor is under the operational environment of vibrations, and the cable interface can become flexible gradually, and in case cable and interface connectivity decline will directly influence system work, can lead to great loss in the work of high accuracy high quality, the time cost that from this brings will greatly increased.
Disclosure of Invention
In order to overcome the above defects in the prior art, the present invention aims to provide a connection device for a cable interface of a servo motor, which has stable connection, is easy to adjust the angle, and does not cause any damage to the cable during the angle adjustment process.
In order to achieve the purpose, the invention adopts the following technical scheme:
a connecting device for a cable interface of a servo motor comprises a cable interface and a cable, wherein the cable interface is positioned at the front part or the rear part of the side wall of a casing, the direction of the cable interface is parallel to the casing of the casing, two parallel inserting ports are arranged at the left side and the right side of the cable interface, a ceramic plate is arranged on a plate body at the inner side of the inserting port, and a permanent magnetic chuck is embedded in the side wall of the outer plate body; the shell is provided with a bracket which slides towards the cable interface along the shell at the position far away from the cable interface, and the bracket is provided with a positioning groove; a rigid mounting sleeve is arranged on the cable close to the joint, the front end of the mounting sleeve is a connecting end, and the rear end of the mounting sleeve is a turning end; the connecting end comprises inserting plates positioned on two sides of the connecting end and matched with the inserting ports, and a supporting column positioned at the bottom of the connecting end and matched with the positioning groove, wherein the inserting plates are metal plate bodies; the direction changing end comprises two mutually parallel directional arms, and the two directional arms are respectively led out from the left side and the right side of the connecting end; a support rod is fixedly connected between the tail ends of the two directional arms, and a direction-changing ball capable of freely rotating is inserted in the middle of the support rod; two convex clamping platforms are arranged on the outer side wall of the turning ball; the clamping table is cylindrical, and the outer side of the clamping table is fixedly sleeved with an L-shaped rotating arm which can rotate freely; the middle parts of the turning ball, the clamping table and the rotating arm are provided with channels for inserting cables; the branch is fixedly sleeved with two groups of cable deconcentrators capable of freely rotating in the turning ball, each deconcentrator comprises a turntable sleeved on the branch and a protective sleeve sleeved outside the turntable and provided with two outlets, and the outlets of each protective sleeve correspond to the turning ball and the outlet of one clamping table respectively.
Preferably: the turning ball is double-layer, the inner layer is made of ceramic materials, and the outer layer is made of ferromagnetic materials; at least one side of the upper side and the lower side of the connecting end is provided with a clamping plate which can slide to the turning ball; the tail end of the clamping plate is magnetic and is provided with an arc-shaped clamping groove pressed into the outer side surface of the turning ball.
Preferably: the number of the positioning grooves is three, and the positioning grooves are distributed in a triangular shape on the plane.
Preferably: the two clamping tables are symmetrically distributed at the geometric center of the turning ball.
Preferably: the center connecting line of the two clamping tables passes through the center of the turning ball and is vertical to the support rod.
Preferably: the pillar is connected with the positioning groove in a buckling way after being pressed into the positioning groove.
Compared with the prior art, the invention has the following advantages:
1. the connection of the servo motor interface and the cable is quick, the structure is stable after connection, and the interface cannot loosen or fall off due to the external environment.
The method comprises the following steps of: according to the technical scheme, through the structural design of the connecting end of the mounting sleeve, the cable is directly placed on the support during mounting, and the position fixing of the cable connector is realized through the matching of the strut and the positioning groove (the positioning is more accurate and the structure is stable due to the triangular three-point positioning structure); pushing the bracket to move towards the cable interface until the bracket is completely inserted, and inserting the inserting plate into the inserting port and the cable into the interface at the moment; the permanent magnetic chuck is rotated to fix the magnetic position of the interface and the inserting plate. Compared with the cable installation in the prior art, the manual alignment of the interface is not needed, and the installation time is greatly reduced.
The interface is stable after mounting: the installed strut and the positioning groove are fixed through a buckle to realize longitudinal limiting, the triangular positioning structure realizes plane transverse limiting, and the magnetically adsorbed inserting plate and the inserting port realize limiting of the bracket; make cable and cable structure after the installation can not receive external force interference through the triple spacing effect of above-mentioned, also can not influence its work even take place violent vibrations.
2. The cable angle adjustment is convenient, and the adjustment process can not lead to the cable too big because of the stress that the shape sudden change produced. Through the structural design of installation cover diversion end, the angle that makes the cable can realize adjusting through the rotation of diversion ball and the rotation of "L" shape rocking arm, and its angle regulation is approximate all-round regulation, and the angle modulation structure that makes the cable through the fixed diversion ball of draw-in groove magnetism behind the angle modulation is more stable.
3. The cable angle adjustment can not cause shape mutation, namely stress mutation, through the structural design of the wire divider. When the cable branching device is used, a plurality of circles of cables are wound on the rotary table in advance, the length of the reserved cables for angle adjustment is realized, the protective sleeve realizes the extension or the shortening of a channel of the reserved cables, the cables rotate around the rotary table in a tiny angle during the angle adjustment, and the cables in the branching device are made according to the shape in advance, so that the bending degree of the cables in the tiny rotation is approximately unchanged, and the shape of the cables outside the branching device cannot be influenced in the rotation process.
Drawings
FIG. 1 is a schematic top view of the structure;
FIG. 2 is a side view of the structure;
FIG. 3 is a schematic three-dimensional view of the mounting sleeve;
FIG. 4 is a schematic three-dimensional structure of a joint of the turntable;
FIG. 5 is a schematic three-dimensional structure of the protective sheath;
fig. 6 is a schematic view of a sleeve structure of the turntable protective sleeve.
In the figure: 1. an interface; 1.1, a ceramic plate; 1.2, permanent magnetic chuck; 2. a support; 2.1, positioning a groove; 3. installing a sleeve; 3.1, connecting ends; 3.1.1, inserting plates; 3.1.2, a pillar; 3.1.3, a clamping plate; 3.1.4, arc-shaped clamping grooves; 3.2, a turning end; 3.2.1, orientation arm; 3.2.2, a support rod; 3.2.3, a turning ball; 3.2.4, clamping the table; 3.2.5, a rotating arm; 3.2.6, a turntable; 3.2.7, protective sleeve.
Detailed Description
The structure of the cable interface connection device for a servo motor according to the present invention will be fully described with reference to the specific embodiments so as to enable those skilled in the art to fully understand and implement the invention.
As shown in fig. 1-5: a connecting device for a cable interface of a servo motor comprises a cable interface and a cable, wherein the cable interface is positioned at the front part of the side wall of a machine shell, the direction of the cable interface is parallel to the direction of the machine shell, two parallel inserting ports 1 are arranged on the left side and the right side of the cable interface, a ceramic plate 1.1 is arranged on a plate body on the inner side of each inserting port 1, and a permanent magnetic chuck 1.2 is embedded in the side wall of an outer side plate body; the shell is provided with a bracket 2 which slides to the cable interface along the shell at the position far away from the cable interface, the bracket 2 is provided with three positioning grooves 2.1, and the plane distribution of the three positioning grooves 2.1 is triangular; a rigid mounting sleeve 3 is arranged on the cable close to the joint, the front end of the mounting sleeve 3 is a connecting end 3.1, and the rear end of the mounting sleeve 3 is a turning end 3.2; the connecting end 3.1 comprises inserting plates 3.1.1 positioned at two sides of the connecting end (connecting end 3.1) and matched with the inserting port 1, a supporting column 3.1.2 positioned at the bottom of the connecting end (connecting end 3.1) and matched with the positioning groove 2.1, and the inserting plates 3.1.1 are metal plate bodies; the direction changing end 3.2 comprises two mutually parallel directional arms 3.2.1, and the two directional arms 3.2.1 are respectively led out from the left side and the right side of the connecting end 3.1; a strut 3.2.2 is fixedly connected between the tail ends of the two directional arms 3.2.1, and a direction-changing ball 3.2.3 which can rotate freely is inserted in the middle of the strut 3.2.2; the outer side wall of the direction-changing ball 3.2.3 is provided with two convex clamping platforms 3.2.4 (the two clamping platforms 3.2.4 are symmetrically distributed by the geometric center of the direction-changing ball 3.2.3, the central connecting line of the two clamping platforms 3.2.4 passes through the spherical center of the direction-changing ball 3.2.3 and is vertical to the supporting rod 3.2.2), the clamping platforms 3.2.4 are cylindrical, and the outer side is fixedly sleeved with an L-shaped rotating arm 3.2.5 which can rotate freely; the middle parts of the direction changing ball 3.2.3, the clamping table 3.2.4 and the rotating arm 3.2.5 are provided with a channel for inserting cables; the support rod 3.2.2 is fixedly sleeved with two groups of wire dividers capable of freely rotating in the direction-changing ball 3.2.3, each wire divider comprises a rotary disc 3.2.6 sleeved on the support rod 3.2.2 and a protective sleeve 3.2.7 sleeved outside the rotary disc 3.2.6 and provided with two outlets, and the outlets of each group of protective sleeves 3.2.7 respectively correspond to the outlets of the direction-changing ball 3.2.3 and one clamping table 3.2.4.
Preferably: the direction-changing ball 3.2.3 is double-layer, the inner layer is made of ceramic material, and the outer layer is made of ferromagnetic material; the upper side surface of the connecting end 3.1 is provided with a clamping plate 3.1.3 which can slide to the direction-changing ball 3.2.3; the tail end of the clamping plate 3.1.3 is magnetic and is provided with an arc-shaped clamping groove 3.1.4 pressed into the outer side face of the turning ball 3.2.3.
The cable described in this embodiment is convenient for positioning and is installed firmly when being connected with the interface. The specific process is as follows: (1) the condom 3 is fixed on the bracket 2 by pressing the pillar 3.1.2 into the positioning groove 2.1 matched with the pillar, preferably: the pillar 3.1.2 is connected with the positioning groove 2.1 in a buckling way after being pressed into the positioning groove; (2) the bracket 2 is pushed until the plugboards 3.1.1 on the two sides are inserted into the interface 1, and at the moment, the cable is fixedly connected with the cable interface; (3) the permanent magnetic chuck 1.2 is rotated to make the inserting plate 3.1.1 and the side wall of the inserting port 1 fixed in an adsorbing way. The whole installation process is simple and convenient, and the installation and the positioning are realized through the positioning effect of the strut 3.1.2, so that the installation time is greatly reduced compared with the traditional manual alignment of the cable joint, and the working efficiency is improved. The joint after the installation has that plane triangle is spacing, vertical joint is spacing and support 2's magnetism is fixed spacing, makes cable joint in use extremely stable, can not appear because of the not hard up or the phenomenon that drops that external environment caused.
This embodiment is except that above-mentioned interface installation is convenient fast, can also realize the angle modulation of cable in the installation department. The line distribution of the cable at the diversion end 3.2 is: the two cables pass through the direction-changing ball 3.2.3, are divided into two cables by a splitter in the direction-changing ball 3.2.3, pass through the outer L-shaped rotating arm 3.2.5 and are combined into one cable. The free rotation of the direction-changing ball 3.2.3 along the support bar 3.2.2 and the free rotation of the rotating arm 3.2.5 along the clamping table 3.2.4 realize the arbitrary adjustment of the cable angle. And the structural design inside the deconcentrator makes the cable reserve cable length in diversion ball 3.2.3, and can realize the crooked of cable in advance, effectively prevents the stress increase that the sudden change of cable shape leads to when angle modulation. The arc draw-in groove 3.1.4 after the angle modulation has realized the location of diversion ball 3.2.3, makes the governing system of cable more stable.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any manner. Those skilled in the art can make many possible variations and modifications to the technical solution of the present invention using the methods disclosed above, or modify equivalent embodiments with equivalent variations, without departing from the technical principle and scope of the present invention. Therefore, any combination, modification or substitution of the technical features disclosed in the present invention according to the technical essence of the present invention should fall within the protection scope of the technical solution of the present invention, unless the principle or the solution of the present invention is departed from.
Claims (6)
1. A connecting device for a cable interface of a servo motor comprises a cable interface and a cable, wherein the cable interface is positioned at the front part or the rear part of the side wall of a machine shell, and the direction of the cable interface is parallel to the direction of the shell of the machine shell, and is characterized in that two parallel inserting ports (1) are arranged at the left side and the right side of the cable interface, a plate body at the inner side of each inserting port (1) is a ceramic plate (1.1), and a permanent magnetic chuck (1.2) is embedded in the side wall of an outer plate body; a bracket (2) sliding towards the cable interface along the shell is arranged on the shell far away from the cable interface, and a positioning groove (2.1) is arranged on the bracket (2); a rigid mounting sleeve (3) is arranged on the cable close to the joint, the front end of the mounting sleeve (3) is a connecting end (3.1), and the rear end of the mounting sleeve is a turning end (3.2); the connecting end (3.1) comprises inserting plates (3.1.1) which are positioned on two sides of the connecting end and matched with the inserting port (1) and supporting columns (3.1.2) which are positioned at the bottom of the connecting end and matched with the positioning grooves (2.1), and the inserting plates (3.1.1) are metal plate bodies; the direction changing end (3.2) comprises two parallel directional arms (3.2.1), and the two directional arms (3.2.1) are respectively led out from the left side and the right side of the connecting end (3.1); a support rod (3.2.2) is fixedly connected between the tail ends of the two directional arms (3.2.1), and a direction-changing ball (3.2.3) which can rotate freely penetrates through the middle part of the support rod (3.2.2); the outer side wall of the turning ball (3.2.3) is provided with two convex clamping platforms (3.2.4); the clamping table (3.2.4) is cylindrical, and the outer side of the clamping table is fixedly sleeved with an L-shaped rotating arm (3.2.5) which can rotate freely; the middle parts of the turning ball (3.2.3), the clamping table (3.2.4) and the rotating arm (3.2.5) are provided with a channel for inserting cables; the support rod (3.2.2) is fixedly sleeved with two sets of wire dividers capable of freely rotating in the direction-changing ball (3.2.3), each wire divider comprises a turntable (3.2.6) sleeved on the support rod (3.2.2) and a protective sleeve (3.2.7) sleeved outside the turntable (3.2.6) and provided with two outlets, and the outlets of each protective sleeve (3.2.7) correspond to the outlets of the direction-changing ball (3.2.3) and one clamping table (3.2.4) respectively.
2. A connection device for a cable interface of a servo motor according to claim 1, characterized in that the ball (3.2.3) is double-layered, the inner layer being of ceramic material and the outer layer being of ferromagnetic material; at least one side of the upper side surface and the lower side surface of the connecting end (3.1) is provided with a clamping plate (3.1.3) which can slide to the turning ball (3.2.3); the tail end of the clamping plate (3.1.3) is magnetic and is provided with an arc-shaped clamping groove (3.1.4) pressed into the outer side surface of the turning ball (3.2.3).
3. A connection device for a cable interface of a servomotor according to claim 2, characterized in that the number of the positioning slots (2.1) is three, the plane distribution being triangular.
4. A connection device for a cable interface of a servomotor according to claim 3, characterized in that the two catches (3.2.4) are symmetrically arranged with respect to the geometric center of the redirecting ball (3.2.3).
5. A connecting device for a cable interface of a servo motor according to claim 4, characterized in that the connecting line of the centers of the two clamping tables (3.2.4) passes through the center of the direction changing ball (3.2.3) and is perpendicular to the support rod (3.2.2).
6. A connection device for a cable interface of a servo motor according to any of claims 1-5, characterized in that the support (3.1.2) is snap-fitted into the positioning groove (2.1) after being pressed into it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111526777.8A CN114244002B (en) | 2021-12-15 | 2021-12-15 | Connecting device for cable interface of servo motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111526777.8A CN114244002B (en) | 2021-12-15 | 2021-12-15 | Connecting device for cable interface of servo motor |
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| CN114244002A CN114244002A (en) | 2022-03-25 |
| CN114244002B true CN114244002B (en) | 2022-07-08 |
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| CN202111526777.8A Active CN114244002B (en) | 2021-12-15 | 2021-12-15 | Connecting device for cable interface of servo motor |
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