CN114244002A - Cable interface and cable for servo motor - Google Patents
Cable interface and cable for servo motor Download PDFInfo
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- CN114244002A CN114244002A CN202111526777.8A CN202111526777A CN114244002A CN 114244002 A CN114244002 A CN 114244002A CN 202111526777 A CN202111526777 A CN 202111526777A CN 114244002 A CN114244002 A CN 114244002A
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- cable
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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 cable interface and a cable for 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 cable interface and a cable for a servo motor, which are stable in connection, easy in angle adjustment, and free from any damage to the cable in the angle adjustment process.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cable interface and cable for a servo motor, the cable interface is positioned at the front part or the rear part of the side wall of a casing, the cable interface faces to be parallel to the casing of the casing, two parallel insertion ports are arranged at the left side and the right side of the cable interface, a ceramic plate is arranged on the plate body at the inner side of the insertion ports, and a permanent magnetic chuck is embedded in the side wall of the outer plate; the shell is provided with a bracket which slides to the cable interface along the shell at a 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 a plug board positioned on the side wall and matched with the plug-in port, and a support positioned at the bottom and matched with the positioning groove, wherein the plug board is a metal plate body; the turning end is led out from the left side and the right side of the connecting end to form two parallel directional arms, a support rod is fixedly connected between the tail ends of the two directional arms, and a freely rotatable turning ball is inserted in the middle of the support rod; the outer side wall of the turning ball is provided with two convex clamping platforms, and the clamping platforms are cylindrical, and the outer sides of the clamping platforms are fixedly sleeved with L-shaped rotating arms capable of freely rotating; 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, and the clamping plate is provided with an arc-shaped clamping groove which is arranged at the magnetic tail end and 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; the cable and the cable structure after the installation can not be interfered by external force through the triple limiting effect, and the work of the cable and the cable structure can not be influenced even if violent vibration occurs.
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 cable for angle adjustment is realized, the protective sleeve realizes the extension or the shortening of a channel of the reserved cable, the cable rotates around the rotary table in a small angle during the angle adjustment, the cable in the branching device is made in advance according to the shape, the curvature of the cable is approximately unchanged in the small rotation, and the shape of the cable 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 and the cable of the 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 present invention.
As shown in fig. 1-5: a cable interface and cable for a servo motor, the cable interface is located in the front of the side wall of a casing, the cable interface faces to be parallel to the casing of the casing, two parallel insertion 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 the insertion port 1, and a permanent magnetic chuck 1.2 is embedded in the side wall of an outer plate body; the casing is provided with a bracket 2 sliding towards the cable connector along the casing at a position far away from the cable connector, 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 is a turning end 3.2; the connecting end 3.1 comprises an inserting plate 3.1.1 positioned on the side wall and matched with the inserting port 1, a supporting column 3.1.2 positioned at the bottom and matched with the positioning groove 2.1, and the inserting plate 3.1.1 is a metal plate body; the diversion end 3.2 is led out from the left side and the right side of the connecting end 3.1 to form two parallel directional arms 3.2.1, a support rod 3.2.2 is fixedly connected between the tail ends of the two directional arms 3.2.1, and a diversion ball 3.2.3 capable of freely rotating is inserted in the middle of the support rod 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 a double layer, the inner layer is made of ceramic material, and the outer layer is made of ferromagnetic material; the side of going up of link 3.1 is equipped with the cardboard 3.1.3 that can slide to diversion ball 3.2.3, and cardboard 3.1.3 has the magnetism end and is equipped with the arc draw-in groove 3.1.4 of impressing diversion ball 3.2.3 lateral surface.
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 support 3.1.2 into the matching positioning groove 2.1, 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 the magnetism of plane triangle is spacing, vertical joint is spacing and support 2 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: passes through the direction-changing ball 3.2.3, is divided into two cables by a wire divider in the direction-changing ball 3.2.3, passes through the outer L-shaped rotating arm 3.2.5 and then is combined into one cable. The free rotation of the direction-changing ball 3.2.3 along the strut 3.2.2 and the free rotation of the swivel arm 3.2.5 along the catch 3.2.4 allow any 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 cable interface and cable for a servo motor, the cable interface is located in the front or rear of the side wall of a casing, the cable interface faces and is parallel to the casing of the casing, characterized in that two parallel insertion ports (1) are arranged on the left and right sides of the cable interface, the plate body on the inner side of the insertion port (1) is a ceramic plate (1.1), and a permanent magnetic chuck (1.2) is embedded in the side wall of the outer plate; a bracket (2) sliding towards the cable interface along the shell is arranged at a position of 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 a plugboard (3.1.1) positioned on the side wall and matched with the socket (1), and a support column (3.1.2) positioned at the bottom and matched with the positioning groove (2.1), wherein the plugboard (3.1.1) is a metal plate body; the direction changing end (3.2) is led out from the left side and the right side of the connecting end (3.1) to form two parallel directional arms (3.2.1), 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) capable of freely rotating is inserted in the middle of the support rod (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), and the clamping platforms (3.2.4) are cylindrical and fixedly sleeved with L-shaped rotating arms (3.2.5) which can freely rotate; 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. The cable interface and the cable for the servo motor according to claim 1, wherein the direction changing ball (3.2.3) is a double layer, the inner layer is made of a ceramic material, and the outer layer is made of a 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), and the clamping plate (3.1.3) is provided with an arc-shaped clamping groove (3.1.4) of which the magnetic tail end is provided with an outer side surface which is pressed into the turning ball (3.2.3).
3. The cable connector and cable for servo motor according to claim 2, wherein the number of the positioning grooves (2.1) is three, and the plane distribution is triangular.
4. A cable interface and a cable for a servomotor according to claim 3, characterized in that the two catches (3.2.4) are arranged symmetrically with respect to the geometric center of the deflecting ball (3.2.3).
5. The cable interface and cable for the servo motor according to claim 4, wherein the center connecting line 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 cable interface and cable for a servomotor according to any of claims 1 to 5, characterized in that the struts (3.1.2) are snap-connected after being pressed into the positioning grooves (2.1).
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN114244002A true CN114244002A (en) | 2022-03-25 |
| CN114244002B 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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| CN114244002B (en) | 2022-07-08 |
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