CN210111187U

CN210111187U - Wiring structure of servo driver

Info

Publication number: CN210111187U
Application number: CN201920798813.8U
Authority: CN
Inventors: 陈继光; 丁阿伟
Original assignee: Hangzhou Mige Electric Co Ltd
Current assignee: Hangzhou Mige Electric Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-21
Anticipated expiration: 2029-05-30

Abstract

The utility model provides a servo driver's wiring structure, connect including servo driver shell, encoder interface and encoder, encoder articulate in the encoder, encoder interface connection is in servo driver, the opening has been seted up on the servo driver shell, the encoder interface passes through the opening inlays to be established on the servo driver shell, a serial communication port, lie in on the servo driver shell the circumference outside of encoder interface has the location bayonet socket, the circumference outside that the encoder connects have with the location bayonet socket suits fixes a position the buckle. The utility model has the advantages of simple structure, the wiring is convenient, avoids loaded down with trivial details etc.

Description

Wiring structure of servo driver

Technical Field

The utility model belongs to the technical field of servo driver, especially, relate to a servo driver's wiring structure.

Background

Servo drivers (also called servo controllers or servo amplifiers) are controllers for controlling servo motors, act on common alternating current motors similarly to frequency converters, belong to a part of servo systems, and are mainly applied to high-precision positioning systems. The servo motor is generally controlled by three modes of position, speed and moment, so that the high-precision positioning of the transmission system is realized.

The servo driver needs to have an encoder interface to realize quick connection with the encoder, but the encoder interface of the prior art protrudes out of the servo driver shell, so that the whole volume of the servo driver is increased. In addition, in order to avoid the encoder to connect and drop from the encoder kneck, prior art sets up a screw hole respectively at the both ends of encoder interface usually, and the both ends that the encoder connects set up a bolt respectively, and when using, the user inserts the encoder interface with the encoder after, inserts the bolt one-to-one to the screw hole and screws up, and such mode can avoid the encoder to connect and drop, but needs both sides bolt to insert the screw hole respectively and screw up, has shortcomings such as the installation is inconvenient.

In order to solve the above technical problems, a long-term search has been conducted, and for example, chinese patent discloses a servo driver advantageous for cascade and wiring [ application No.: CN201721444186.5], the servo driver includes at least one encoder interface, at least two bus communication ports and a servo driver housing, the front panel of the servo driver housing is provided with an opening of the bus communication port, an opening of the at least one encoder interface and a groove, the opening of the at least one encoder interface is disposed on the groove, the at least two bus communication ports are disposed on the opening of the bus communication port in a left-right distribution manner, and the at least one encoder interface is disposed on the opening of the at least one encoder interface respectively.

According to the scheme, the encoder interface is embedded in the servo driver shell, so that the outer end face of the encoder interface is flush with the servo driver shell, and the purpose of reducing the overall volume of the servo driver is achieved. However, the above solutions still have some problems, for example, the above solutions do not solve the problem of cumbersome wiring.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a connect convenient servo driver's wiring structure is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a servo driver's wiring structure, includes that servo driver shell, encoder interface and encoder connect, encoder articulate in the encoder, encoder interface connection is in servo driver, the opening has been seted up on the servo driver shell, the encoder interface passes through the opening inlays to be established on the servo driver shell, a serial communication port, lie in on the servo driver shell the circumference outside of encoder interface has the location bayonet socket, the circumference outside that the encoder connects have with the location bayonet socket suits's location buckle.

In the wiring structure of the servo driver, the servo driver shell is located on the circumferential outer side of the encoder interface and is provided with a clamping piece, and the positioning bayonet is arranged on the clamping piece.

In the wiring structure of the servo driver, the clamping piece is formed by vertically extending the servo driver shell outwards, the clamping piece is of a rectangular structure, and the positioning bayonet penetrates through the clamping piece along a direction parallel to the servo driver shell.

In the wiring structure of the servo driver, one side, away from the encoder interface, of the encoder connector is connected with the connector base, and the positioning buckle is arranged on the connector base and located on the circumferential outer side of the encoder connector.

In the wiring structure of the servo driver, the servo driver housing is provided with two clamping pieces, and the two clamping pieces are respectively arranged on the opposite sides of the encoder interface; the joint base is provided with two positioning buckles, and the two positioning buckles are respectively arranged on the opposite sides of the joint of the encoder, so that the positioning buckles correspond to the positioning bayonets one by one.

In the wiring structure of the servo driver, the positioning buckle is arranged on the joint base through an elastic structure.

In the wiring structure of the servo driver, the elastic structure comprises a movable part and a fixed part, the movable part is fixed on the side surface of the joint base, the movable part and the fixed part are connected through an elastic connecting piece, and the positioning buckle is located at the bottom of the movable part.

In the wiring structure of the servo driver, the elastic connecting member includes a torsion spring, the torsion spring includes a cylindrical spring and a first connecting end and a second connecting end respectively located at two ends of the cylindrical spring, the first connecting end is connected to the top of the movable portion, and the second connecting end is connected to the top of the fixed portion.

In foretell servo driver's wiring structure, the top of movable part extends to the fixed part has first connecting portion and the second connecting portion that are parallel to each other, the top of fixed part extends to the movable part has third connecting portion and the fourth connecting portion that are parallel to each other, the torsional spring is located between first connecting portion and the second connecting portion to and be located between the fourth connecting portion of third connecting portion, elastic connection spare is still including running through column spring's pin, just the both ends of pin run through respectively and extend to first connecting portion, the third connecting portion outside and second connecting portion, the fourth connecting portion outside.

In the wiring structure of the servo driver, the positioning fastener is of a cylindrical or rectangular structure, the positioning bayonet is of a cylindrical or rectangular structure, and the positioning fastener is obtained by extending the bottom of the movable part to the joint side of the encoder.

The utility model has the advantages that: the structure is simple, and the use is convenient; the buckle structure is used for replacing threaded connection, so that the mounting mode is simplified; the elastic structure is used for simultaneously completing limiting installation in the plugging process, one-step in place is realized, and the wire connection is fast.

Drawings

Fig. 1 is a schematic structural diagram of the encoder interface of the present invention embedded in the driver housing;

fig. 2 is a schematic structural diagram of an encoder interface and an encoder connector according to the present invention;

FIG. 3 is a schematic view of the two movable portions of FIG. 2 after application of force;

fig. 4 is a schematic structural view of the elastic structure of the present invention;

fig. 5 is a schematic structural view of the torsion spring of the present invention.

Reference numeral, a driver housing 1; an encoder interface 2; an encoder connector 3; a clamping part 4; a positioning bayonet 41; a positioning buckle 51; a joint base 6; an elastic structure 7; a movable portion 71; a fixed portion 72; the first connection portion 73; the second connecting portion 74; the third connecting portion 75; the fourth connection portion 76; an elastic connecting member 8; a torsion spring 81; a cylindrical spring 82; a first connection end 83; a second connection end 84; a pin 85.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, this embodiment discloses a servo driver's wiring structure, connect 3 including servo driver shell 1, encoder interface 2 and encoder, encoder connects 3 and connects in the encoder, and encoder interface 2 connects in servo driver, has seted up the opening on servo driver shell 1, and encoder interface 2 inlays through the opening and establishes on servo driver shell 1. The shape of the encoder joint 3 and the encoder interface 2 is consistent with that of the prior art, and the encoder joint and the encoder interface can be of a structure with a trapezoidal cross section or a structure with a rectangular cross section.

In particular, as shown in fig. 2 and 3, the servo driver housing 1 is provided with a blocking element 4 at the circumferential outer side of the encoder interface 2, and the blocking element 4 is provided with a positioning bayonet 41; accordingly, the circumferential outer side of the encoder adapter 3 has a positioning catch 51 adapted to the positioning bayonet 41. When the encoder connector is put into use, the positioning buckle 51 is inserted into or penetrates through the positioning bayonet 41 to limit the encoder connector 3 inserted on the encoder interface 2.

Specifically, the detent 4 extends perpendicularly outward from the servo drive housing 1, and the positioning bayonet 41 extends upward from the outer surface of the drive housing 1, that is, the positioning bayonet 41 has the outer surface of the drive housing 1 as its lower wall. Furthermore, the locking element 4 is of a rectangular design, and the positioning bayonet 41 extends through the locking element 4 in a direction parallel to the servo drive housing 1. That is, as shown in fig. 2, the positioning bayonets 41 penetrate the left and right sides of the detent 4.

Further, encoder connects 3 and keeps away from the one side that is used for connecting encoder interface 2 and is connected with and connects base 6, and location buckle 51 sets up and lies in the circumference outside that encoder connects 3 on connecting base 6.

Preferably, the positioning catch 51 is arranged on the joint base 6 by means of a spring structure 7. Specifically, as shown in fig. 4, the elastic structure 7 includes a movable portion 71 and a fixed portion 72, the movable portion 71 is fixed on a side surface of the connector base 6, the movable portion 71 may also be integrally formed with the connector base 6, the movable portion 71 and the fixed portion 72 are connected by an elastic connector 8, and the positioning buckle 51 is located at a bottom of the movable portion 71. The positioning buckle 51 of the present embodiment is formed by extending from the bottom of the movable portion 71 to the encoder connector 3 side, i.e. to the fixed portion 72 side, and here, the end of the positioning buckle 51 away from the movable portion 71 has a contact surface, so that the contact surface can be in contact with the side surface of the encoder connector 3 in a natural state to improve the stability of the elastic structure 7.

Specifically, as shown in fig. 5, the elastic connection member 8 includes a torsion spring 81, the torsion spring 81 includes a cylindrical spring 82 and a first connection end 83 and a second connection end 84 respectively located at both ends of the cylindrical spring 82, the first connection end 83 is connected to the top of the movable portion 71, and the second connection end 84 is connected to the top of the fixed portion 72. The top of the movable portion 71 extends to the fixed portion 72 side to form a first connecting portion 73 and a second connecting portion 74 which are parallel to each other, the top of the fixed portion 72 extends to the movable portion 71 side to form a third connecting portion 75 and a fourth connecting portion 76 which are parallel to each other, the torsion spring 81 is located between the first connecting portion 73 and the second connecting portion 74 and between the fourth connecting portion 76 of the third connecting portion 75, the elastic connecting member 8 further comprises a pin 85 which penetrates through the columnar spring 82, two ends of the pin 85 respectively penetrate through and extend to the outer sides of the first connecting portion 73 and the third connecting portion 75 and the outer sides of the second connecting portion 74 and the fourth connecting portion 76, the end portions of the first connecting portion 73 and the third connecting portion 75 are overlapped with each other, and the end portions of the second connecting portion 74 and the fourth connecting portion 76 are overlapped. Of course, the first connecting portion 73, the second connecting portion 74, the third connecting portion 75 and the fourth connecting portion 76 are all provided with through holes for penetrating the pin 85, the circle center of each through hole is located on the same central axis, meanwhile, the end portions of the two ends of the pin 85 are provided with limiting portions, the diameters of the limiting portions are larger than those of the through holes, and the movable portion 71 can rotate by taking the axis of the pin 85 as a central line to drive the positioning buckle 51 to move.

Further, the positioning fastener 51 has a cylindrical or rectangular structure, and the positioning fastener 41 has a cylindrical or rectangular structure, where a rectangular structure is preferred, and the positioning fastener 41 may be slightly larger than the positioning fastener 51.

Preferably, as shown in fig. 2 and 3, the servo drive housing 1 has two detents 4 thereon, and the two detents 4 are respectively disposed on opposite sides of the encoder interface 2; the joint base 6 is provided with two positioning buckles 51, and the two positioning buckles 51 are respectively arranged on the opposite sides of the encoder joint 3, so that the positioning buckles 51 correspond to the positioning bayonets 41 one by one. Like this only need two fingers to hold between the fingers two movable parts 71 respectively when putting into use, and make power make location buckle 51 rotatory to the outside to joint base 6 side, as shown in fig. 3, insert encoder joint 3 into encoder interface 2 simultaneously, it can to make location buckle 51 aim at location bayonet 41 and see opportunity slowly relax movable part 71 to peg graft the in-process, after the grafting is finished, location buckle 51 has also been blocked in location bayonet 41 simultaneously, accomplish the installation promptly, need not carry out subsequent bolt grafting and screw up, have and can put in place one step, advantages such as convenient connection.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the drive enclosure 1 is used more herein; an encoder interface 2; an encoder connector 3; a clamping part 4; a positioning bayonet 41; a positioning buckle 51; a joint base 6; an elastic structure 7; a movable portion 71; a fixed portion 72; the first connection portion 73; the second connecting portion 74; the third connecting portion 75; the fourth connection portion 76; an elastic connecting member 8; a torsion spring 81; a cylindrical spring 82; a first connection end 83; a second connection end 84; pins 85, etc., but do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a servo driver's wiring structure, includes servo driver shell (1), encoder interface (2) and encoder joint (3), the encoder connects (3) and connects in the encoder, encoder interface (2) are connected in servo driver, the opening has been seted up on servo driver shell (1), encoder interface (2) pass through the opening inlays to be established servo driver shell (1) is last, its characterized in that, lie in on servo driver shell (1) the circumference outside of encoder interface (2) has location bayonet socket (41), the circumference outside that the encoder connects (3) have with location bayonet socket (41) the location buckle (51) that suit.

2. The connection arrangement of a servo drive according to claim 1, characterized in that the servo drive housing (1) is provided with a detent (4) on the circumferential outer side of the encoder interface (2), the positioning bayonet (41) opening onto the detent (4).

3. The connection structure of a servo drive according to claim 2, wherein the locking element (4) extends perpendicularly from the servo drive housing (1) and the locking element (4) has a rectangular shape, the positioning bayonet (41) extending through the locking element (4) in a direction parallel to the servo drive housing (1).

4. The wiring connection structure of a servo driver according to claim 3, wherein a connector base (6) is connected to a side of the encoder connector (3) away from the side for connecting the encoder interface (2), and the positioning buckle (51) is arranged on the connector base (6) at the circumferential outer side of the encoder connector (3).

5. The connection arrangement of a servo drive according to claim 4, wherein the servo drive housing (1) has two detents (4) thereon, and the two detents (4) are respectively arranged on opposite sides of the encoder interface (2); the joint base (6) is provided with two positioning buckles (51), and the two positioning buckles (51) are respectively arranged on the opposite sides of the encoder joint (3) so that the positioning buckles (51) correspond to the positioning bayonets (41) one by one.

6. Wiring construction of a servo driver according to claim 5, characterized in that the positioning catch (51) is arranged on the joint base (6) by means of a spring structure (7).

7. The connection structure of the servo driver according to claim 6, wherein the elastic structure (7) comprises a movable portion (71) and a fixed portion (72), the movable portion (71) is fixed on the side surface of the joint base (6), the movable portion (71) and the fixed portion (72) are connected through an elastic connector (8), and the positioning buckle (51) is located at the bottom of the movable portion (71).

8. The wiring structure of a servo driver according to claim 7, wherein the elastic connection member (8) comprises a torsion spring (81), the torsion spring (81) comprises a cylindrical spring (82) and a first connection end (83) and a second connection end (84) respectively located at both ends of the cylindrical spring (82), the first connection end (83) is connected to the top of the movable portion (71), and the second connection end (84) is connected to the top of the fixed portion (72).

9. The wiring structure of a servo driver according to claim 8, wherein the movable portion (71) has a top portion extending toward the fixed portion (72) with a first connection portion (73) and a second connection portion (74) parallel to each other, a third connecting part (75) and a fourth connecting part (76) which are parallel to each other extend from the top of the fixed part (72) to the movable part (71), the torsion spring (81) is located between the first connecting portion (73) and the second connecting portion (74), and between the fourth connection portions (76) of the third connection portions (75), the elastic connection member (8) further comprising a pin (85) penetrating the cylindrical spring (82), and two ends of the pin (85) penetrate through and extend to the outer sides of the first connecting part (73) and the third connecting part (75) and the outer sides of the second connecting part (74) and the fourth connecting part (76) respectively.

10. The connection structure of a servo driver according to claim 9, wherein the positioning catch (51) has a cylindrical or rectangular structure, the positioning bayonet (41) has a cylindrical or rectangular structure, and the positioning catch (51) extends from the bottom of the movable portion (71) to the encoder connector (3).