CN220629079U - Motor encoder connection structure - Google Patents
Motor encoder connection structure Download PDFInfo
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- CN220629079U CN220629079U CN202322337102.XU CN202322337102U CN220629079U CN 220629079 U CN220629079 U CN 220629079U CN 202322337102 U CN202322337102 U CN 202322337102U CN 220629079 U CN220629079 U CN 220629079U
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- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
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Abstract
The utility model relates to a motor encoder connecting structure, and belongs to the technical field of motor production. An end connecting piece is detachably arranged at the end of the motor main shaft, and one end of the end connecting piece, which is far away from the motor main shaft, is in transmission connection with the input end of the encoder through a coupler; the end connecting piece comprises a connecting disc, a connecting shaft coaxial with the motor main shaft is arranged on the end face, far away from the motor main shaft, of the connecting disc, the connecting shaft is in transmission connection with the input end of the encoder through a coupler, and the connecting disc is inlaid in an end inner groove of the end part of the motor main shaft and is fixedly connected with the motor main shaft through a set screw. The utility model has the following beneficial effects: through addding the end connection spare, the end connection spare is detachable construction, the connecting axle passes through the input transmission of shaft coupling and encoder to be connected, can avoid processing out at the tip of motor spindle with shaft coupling complex connecting axle, reduce the installation degree of difficulty and manufacturing cost.
Description
Technical Field
The utility model relates to a motor encoder connecting structure, and belongs to the technical field of motor production.
Background
The connection modes of the encoder and the motor are various, but the encoder has high requirements on connection precision, in particular to coaxiality requirements on the encoder shaft and the motor shaft, and the output precision of the encoder signal and the service life of the encoder are directly related.
Patent number CN201520224721.0 discloses a novel encoder and motor connection mechanism. The method comprises the following steps: the brake, encoder and motor, fixedly connected with flange on the encoder, fixedly connected with positioning bearing on the flange, the axle of encoder is connected through linking the axle sleeve with the axle of motor, fixedly connected with connection piece on the flange, has the bracing piece on the brake, and the bracing piece is connected with the connection piece. The utility model has the advantages that: the connecting mechanism of the utility model skillfully utilizes the motor shaft itself as a base point for positioning the encoder, the connecting flange for fixing the encoder is connected with the motor shaft by using the deep groove ball bearing, the encoder shaft and the motor shaft rotate together through the connecting shaft sleeve, the encoder shell and the connecting flange are fixed and do not rotate, and the transmission element which possibly generates dimensional errors is minimized.
Although the above patent can realize the encoder connection function, the prior art has incomplete consideration and the following disadvantages:
the connecting shaft matched with the coupler is required to be processed at the end part of the motor main shaft, the connecting shaft is in transmission connection with the input end of the encoder through the coupler, and the diameter of the input end of the encoder is about 0.5-1cm, so that the connecting shaft with the same diameter of about 0.5-1cm is required to be processed at the end part of the motor main shaft to be matched with the same coupler, and the connecting shaft with the diameter of about 0.5-1cm is difficult to process at the end part of the motor main shaft because the motor main shaft is longer and thicker than the connecting shaft.
What need is urgent need is a motor encoder connection structure, is carrying out the in-process of pressure release, carries out real-time detection to whether the blast pipe separation filter screen blocks up, in time discovers the jam condition to judge that need clear up the blast pipe separation filter screen, guarantee that the efficiency of pressure release maintains normal level.
Disclosure of Invention
In order to solve one of the above problems, according to the above shortcomings in the prior art, the present utility model aims to solve the technical problems: how to realize that the end part of the motor main shaft is prevented from being processed into a connecting shaft matched with the coupler by additionally arranging a detachable end part connecting piece, the construction difficulty and the manufacturing cost are reduced, and the motor encoder connecting structure is provided.
The motor encoder connecting structure comprises an encoder arranged on the end face of a motor through an encoder mounting frame, and a motor main shaft of the motor and the input end of the encoder are coaxially arranged, and is characterized in that: an end connecting piece is detachably arranged at the end of the motor main shaft, and one end of the end connecting piece, which is far away from the motor main shaft, is in transmission connection with the input end of the encoder through a coupler; the end connecting piece comprises a connecting disc, a connecting shaft coaxial with the motor main shaft is arranged on the end face, far away from the motor main shaft, of the connecting disc, the connecting shaft is in transmission connection with the input end of the encoder through a coupler, and the connecting disc is inlaid in an end inner groove of the end part of the motor main shaft and is fixedly connected with the motor main shaft through a set screw.
Through addding the end connection spare, the end connection spare is detachable construction, processes out the end connection spare earlier, then installs on motor spindle, be provided with on the terminal surface that the connection pad kept away from motor spindle with the coaxial connecting axle of motor spindle, the connecting axle passes through the input transmission of shaft coupling and encoder to be connected, can avoid processing out at motor spindle's tip and shaft coupling complex connecting axle, reduce installation degree of difficulty and manufacturing cost.
Preferably, the connecting disc is a disc, is integrally formed with the connecting shaft and is formed by turning a bar lathe, and at least three groups of screw through holes for the penetration of set screws are formed in the connecting disc.
The connecting disc is pressed in the end part inner groove by using a set screw to penetrate through a screw through hole on the connecting disc and be in threaded connection with an inner threaded hole A at the bottom of the end part inner groove, and the connecting disc is abutted with the bottom of the end part inner groove.
Preferably, the connecting disc and the connecting shaft are coaxially arranged, the plurality of groups of screw through holes are arranged around the vertical central line of the connecting shaft, and the included angles of the adjacent screw through holes and the connecting shaft are equal. The installation of the connection disc is convenient.
Preferably, the end inner groove is arranged coaxially with the motor spindle, and an inner threaded hole A in threaded fit with the set screw is arranged at the bottom of the end inner groove. And the internal threaded hole A and the set screw are convenient to install in a matched manner.
Preferably, the end face of the connecting disc far away from the connecting shaft is provided with a central positioning pin column coaxially arranged with the connecting disc, the central position of the bottom of the end part inner groove is provided with a central inner positioning hole in plug-in fit with the central positioning pin column, and the central positioning pin column and the connecting disc are integrally formed.
Preferably, the encoder mounting bracket is hollow tubular structure, and its one end passes through the connecting rod to be installed on the motor, and the other end has the end plate that is used for installing the encoder, the input of encoder runs through the end plate after being connected with the connecting axle through the shaft coupling, is provided with the multiunit along the length direction of encoder mounting bracket and supplies the avoidance hole that operation work such as screwdriver runs through, is convenient for install the connecting axle.
Preferably, the connecting shaft is a stepped shaft.
Compared with the prior art, the utility model has the following beneficial effects:
according to the motor encoder connecting structure, the end connecting piece is additionally arranged, the end connecting piece is of a detachable structure, the end connecting piece is processed first and then is arranged on the motor main shaft, the connecting disc is arranged on the end face, far away from the motor main shaft, of the connecting disc, the connecting shaft is coaxial with the motor main shaft, the connecting shaft is in transmission connection with the input end of the encoder through the coupler, the fact that the connecting shaft matched with the coupler is processed at the end of the motor main shaft can be avoided, and the installation difficulty and the manufacturing cost are reduced.
According to the motor encoder connecting structure, the fastening screw penetrates through the screw through hole on the connecting disc to be in threaded connection with the internal threaded hole A at the bottom of the end part inner groove, so that the connecting disc is pressed in the end part inner groove and is abutted with the bottom of the end part inner groove, and the connection is simple and reliable.
According to the motor encoder connecting structure, the connecting disc is initially installed in the end part inner groove, the connecting disc is abutted against the bottom of the end part inner groove, then the connecting disc is further pressed in the end part inner groove by utilizing the screw through hole penetrating through the connecting disc by the set screw to be in threaded connection with the inner threaded hole A at the bottom of the end part inner groove, and the stability of connection is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural diagram of a connecting disc according to a first embodiment of the present utility model;
FIG. 3 is a schematic structural diagram of a connecting disc in a second embodiment of the present utility model;
in the figure: 1. the motor comprises a motor 2, a motor main shaft 3, an encoder mounting frame 4, an encoder 5, a connecting disc 6, a connecting shaft 7, an end part inner groove 8, a coupler 9, a set screw 10, a screw through hole 11, an inner threaded hole A12, a central positioning pin 13, a central inner positioning hole 14 and a connecting rod.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
the present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
1, as shown in fig. 1-2, the motor encoder connecting structure comprises an encoder 4 arranged on the end face of a motor 1 through an encoder mounting frame 3, a motor main shaft 2 of the motor 1 and the input end of the encoder 4 are coaxially arranged, an end connecting piece is detachably arranged at the end of the motor main shaft 2, and one end of the end connecting piece far away from the motor main shaft 2 is in transmission connection with the input end of the encoder 4 through a coupler 8; the end connecting piece comprises a connecting disc 5, a connecting shaft 6 coaxial with the motor spindle 2 is arranged on the end face, far away from the motor spindle 2, of the connecting disc 5, the connecting shaft 6 is in transmission connection with the input end of the encoder 4 through a coupler 8, and the connecting disc 5 is embedded in an end inner groove 7 at the end part of the motor spindle 2 and is fixedly connected with the motor spindle 2 through a set screw 9.
Through addding the end connection spare, the end connection spare is detachable construction, processes out the end connection spare earlier, then installs on motor spindle 2, be provided with on the terminal surface that connection pad 5 kept away from motor spindle 2 with motor spindle 2 coaxial connecting axle 6, connecting axle 6 passes through shaft coupling 8 and encoder 4's input transmission is connected, can avoid processing out at motor spindle 2's tip with shaft coupling 8 complex connecting axle 6, reduces construction degree of difficulty and manufacturing cost.
Embodiment 2, as shown in fig. 1 and 3, the motor encoder connection structure comprises an encoder 4 installed on the end face of a motor 1 through an encoder installation frame 3, wherein a motor main shaft 2 of the motor 1 and the input end of the encoder 4 are coaxially arranged, an end connector is detachably installed at the end of the motor main shaft 2, and one end of the end connector away from the motor main shaft 2 is in transmission connection with the input end of the encoder 4 through a coupler 8; the end connecting piece comprises a connecting disc 5, a connecting shaft 6 coaxial with the motor spindle 2 is arranged on the end face, far away from the motor spindle 2, of the connecting disc 5, the connecting shaft 6 is in transmission connection with the input end of the encoder 4 through a coupler 8, and the connecting disc 5 is embedded in an end inner groove 7 at the end part of the motor spindle 2 and is fixedly connected with the motor spindle 2 through a set screw 9.
Further, the connecting disc 5 is a disc, and is integrally formed with the connecting shaft 6, and is formed by turning a bar lathe, and three or four groups of screw through holes 10 through which the set screws 9 pass are formed in the connecting disc 5.
The connecting disc 5 is pressed into the end inner groove 7 by the screw through hole 10 on the connecting disc 5 through the set screw 9 and the internal thread hole A11 at the bottom of the end inner groove 7 in a threaded connection, and is abutted against the bottom of the end inner groove 7.
Further, the connecting disc 5 and the connecting shaft 6 are coaxially arranged, three or four groups of screw through holes 10 are arranged around the vertical center line of the connecting shaft 6, and the included angles of the adjacent screw through holes are equal. Facilitating the installation of the connection disc 5.
Further, the end portion inner groove 7 is coaxially provided with the motor spindle 2, and an inner threaded hole a11 in threaded engagement with the set screw 9 is provided at the bottom of the end portion inner groove 7. The internal threaded hole A11 and the set screw 9 are convenient to be matched and installed.
Further, the end face of the connecting disc 5 far away from the connecting shaft 6 is provided with a central positioning pin 12 coaxially arranged with the connecting disc 5, the central position of the bottom of the end part inner groove 7 is provided with a central inner positioning hole 13 in plug connection with the central positioning pin 12, the central positioning pin 12 and the connecting disc 5 are integrally formed, the connecting disc 5 is firstly matched and positioned with the central inner positioning hole 13 of the end part of the connecting disc 5 by utilizing the central positioning pin 12 on the end face of the connecting disc 5, the connecting disc 5 is initially installed in the end part inner groove 7, the connecting disc 5 is abutted against the bottom of the end part inner groove 7, then a set screw 9 is used for penetrating through a screw through hole 10 on the connecting disc 5 and an inner threaded hole A11 at the bottom of the end part inner groove 7 in a threaded connection mode, the connecting disc 5 is further pressed in the end part inner groove 7, and the connection stability is ensured.
Further, the encoder mounting frame 3 is of a hollow cylindrical structure, one end of the encoder mounting frame is mounted on the motor 1 through the connecting rod 14, the other end of the encoder mounting frame is provided with an end plate for mounting the encoder 4, the input end of the encoder 4 penetrates through the end plate and then is connected with the connecting shaft 6 through the coupler 8, and a plurality of groups of avoidance holes for the operation work such as a screwdriver to penetrate are formed in the length direction of the encoder mounting frame 3, so that the connecting shaft 6 is convenient to mount.
Further, the connecting shaft 6 is a stepped shaft.
The whole installation flow is as follows:
s1, prefabricating and processing a connecting disc 5 with a connecting shaft 6, a screw through hole 10 and a center positioning pin 12 in a factory; simultaneously prefabricating an encoder mounting frame 3;
s2, firstly, mounting a connecting disc 5 on a motor main shaft 2, and simultaneously mounting an encoder 4 on an encoder mounting frame 3;
s3, the coupler 8 is sleeved on the connecting shaft 6, and then the encoder mounting frame 3 is fixed on the motor 1 through the connecting rod 14;
and S4, finally, utilizing the avoidance holes formed in the encoder mounting frame 3, and utilizing tools such as a screwdriver and the like to dynamically connect the connecting shaft 6 with the input shaft of the encoder 4 by utilizing the coupler 8.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (6)
1. The utility model provides a motor encoder connection structure, includes encoder (4) of installing on motor (1) terminal surface through encoder mounting bracket (3), motor spindle (2) and the input coaxial setting of encoder (4) of motor (1), its characterized in that: an end connecting piece is detachably arranged at the end of the motor main shaft (2), and one end of the end connecting piece, which is far away from the motor main shaft (2), is in transmission connection with the input end of the encoder (4) through a coupler (8); the end connecting piece comprises a connecting disc (5), a connecting shaft (6) coaxial with the motor main shaft (2) is arranged on the end face, far away from the motor main shaft (2), of the connecting disc (5), the connecting shaft (6) is in transmission connection with the input end of the encoder (4) through a coupler (8), and the connecting disc (5) is inlaid in an end inner groove (7) at the end part of the motor main shaft (2) and is fixedly connected with the motor main shaft (2) through a set screw (9).
2. The motor encoder connection structure according to claim 1, wherein the connection disc (5) is a disc and is integrally formed with the connection shaft (6), and at least three sets of screw through holes (10) through which the fastening screws (9) pass are formed in the connection disc (5).
3. The motor encoder connection structure according to claim 2, characterized in that the connecting disc (5) is coaxially arranged with the connecting shaft (6), and the plurality of sets of screw through holes (10) are arranged around the vertical center line of the connecting shaft (6) and the included angles between adjacent two are equal.
4. A motor encoder connection according to claim 3, characterized in that the end inner groove (7) is arranged coaxially with the motor spindle (2), and that an inner threaded hole a (11) in threaded engagement with the set screw (9) is provided at the bottom of the end inner groove (7).
5. The motor encoder connecting structure according to claim 4, characterized in that a central positioning pin (12) coaxially arranged with the connecting disc (5) is arranged on the end face of the connecting disc (5) far away from the connecting shaft (6), and a central inner positioning hole (13) in plug-in fit with the central positioning pin (12) is arranged at the central position of the bottom of the end part inner groove (7).
6. The motor encoder connection structure according to claim 5, wherein the encoder mounting frame (3) is a hollow cylindrical structure, one end of the encoder mounting frame is mounted on the motor (1) through a connecting rod (14), the other end of the encoder mounting frame is provided with an end plate for mounting the encoder (4), and the input end of the encoder (4) penetrates through the end plate and is connected with the connecting shaft (6) through a coupler (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322337102.XU CN220629079U (en) | 2023-08-30 | 2023-08-30 | Motor encoder connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322337102.XU CN220629079U (en) | 2023-08-30 | 2023-08-30 | Motor encoder connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220629079U true CN220629079U (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322337102.XU Active CN220629079U (en) | 2023-08-30 | 2023-08-30 | Motor encoder connection structure |
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| Country | Link |
|---|---|
| CN (1) | CN220629079U (en) |
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- 2023-08-30 CN CN202322337102.XU patent/CN220629079U/en active Active
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