CN116182928A - Encoder assembly precision detection device and detection method - Google Patents

Abstract

The application discloses encoder assembly precision detection device and detection method, wherein, encoder assembly precision detection device, including the installation unit that is used for installing the read head of connecting circuit board and be used for driving the code wheel for the read head is rotatory with the rotating assembly of predetermined rotational speed, in this application embodiment, adopt above-mentioned encoder assembly precision detection device and detection method, can carry out read head welding quality detection to single read head encoder, drive the code wheel through the power unit drive detection pivot and rotate to control the code wheel and carry out predetermined rotational speed, detection accuracy and detection efficiency have been improved greatly, save the cost of labor, set up the mounting bracket that is used for installing the read head simultaneously respectively in the supporting seat both sides, through the setting up of protruding stretching height to both sides installation department and code wheel support, read head relative position, can detect relative encoder and/or absolute encoder's code wheel welding quality simultaneously, detection device's suitability and practicality have further been improved.

Description

Encoder assembly precision detection device and detection method

Technical Field

The invention relates to the technical field of medical equipment, in particular to an encoder assembly precision detection device and an encoder assembly precision detection method.

Background

Minimally invasive surgery refers to a surgical mode for performing surgery in a human cavity by using modern medical instruments such as laparoscopes, thoracoscopes and related devices. Compared with the traditional operation mode, the minimally invasive operation has the advantages of small wound, light pain, quick recovery and the like. However, the minimally invasive instrument in the minimally invasive surgery is limited by the size of the incision, so that the operation difficulty is greatly increased, and actions such as fatigue, tremble and the like of a doctor in the long-time operation process can be amplified, which becomes a key factor for restricting the development of the minimally invasive surgery technology. With the development of robot technology, a new minimally invasive medical field technology, namely minimally invasive surgery robot technology, capable of overcoming the defects and inheriting the advantages, has been developed.

A common minimally invasive surgical robot consists of a physician console, a patient side cart, and a display device, where the surgeon operates an input device and communicates input to the patient side cart that is connected to a teleoperated surgical instrument. Based on the surgeon's input at the surgeon console, the teleoperated surgical instrument is actuated at the patient side cart to operate on the patient, resulting in a master-slave control relationship between the surgeon console and the surgical instrument at the patient side cart. In surgical robots, the encoder is one of the important components, and its readhead assembly quality (accuracy) will directly affect the product performance of the surgical robot.

Disclosed in chinese patent application CN114264232a is a split mounting encoder with multiple sensing heads with planes angled with each other, which can correct coaxiality runout mutually, reduce the influence of code wheel mounting eccentricity, shafting shake and temperature change on the encoder, eliminate the strict limitation on single sensing head mounting and debugging, detect the eccentricity problem and send eccentricity early warning information, and improve the angular accuracy of the encoder.

In the above scheme, the encoder is provided with a plurality of reading heads, the cost is high, and the requirement of a plurality of signal inputs on a control algorithm is high, on the other hand, the encoder with a plurality of reading heads has large limitation on the use scene and cannot be applied to the scene with small space, so that a single reading head encoder is generally adopted in the surgical robot.

The assembly of the read head of the existing encoder mainly depends on manual work, the special detection equipment is connected after the assembly of the read head, the encoder read head is rotated by a human hand to analyze the assembly precision of the encoder read head, the stability of the rotation speed of the encoder read head cannot be guaranteed by the detection means on one hand, namely the accuracy of detection cannot be guaranteed, and on the other hand, only one encoder can be detected at a time, and the detection efficiency is low.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a device and a method for detecting the assembly precision of an encoder, which have low cost and high detection precision and detection efficiency.

In order to achieve the above object, the present invention is achieved by the following technical scheme.

The application provides an encoder assembly precision detection device, include:

a mounting unit for mounting a read head connected to the circuit board;

the rotating assembly is used for driving the code disc to rotate at a preset rotating speed relative to the reading head;

the rotating assembly comprises a detection rotating shaft rotatably arranged on a mounting frame and a power unit which is connected with the detection rotating shaft and is used for driving the detection rotating shaft to rotate;

the circuit board is provided with an interface part for connecting detection equipment, the code disc is fixedly arranged on the detection rotating shaft and is coaxial with the detection rotating shaft, and the reading head corresponds to the position of the code disc in the axis direction of the detection rotating shaft.

Further defined, the encoder assembly accuracy detecting device described above, wherein the mounting unit includes:

the mounting support is fixedly arranged on the base;

the supporting seat is fixedly arranged in the mounting support and is used for mounting the circuit board;

the detection rotating shaft is rotatably connected with the supporting seat bearing.

Further defined, the encoder assembly accuracy detecting device described above, wherein the mounting unit further includes:

the mounting frame is fixedly arranged on the supporting seat, and a mounting part for mounting the circuit board is fixedly arranged on the end face of one side far away from the supporting seat;

the code disc support is fixedly arranged on the detection rotating shaft and fixedly connected with the code disc.

Further limited, the encoder assembly accuracy detecting device is characterized in that the supporting seat is provided with a supporting protrusion for positioning the mounting frame, and the mounting frame is provided with a buckling groove for being buckled with the supporting protrusion in a matching manner.

Further limited, in the encoder assembly accuracy detection device, the supporting seat is arranged in the mounting support in a penetrating manner, and the supporting seat is fixedly provided with mounting frames on two side end faces in the axial direction of the detection rotating shaft respectively;

the detection rotating shaft penetrates through the supporting seat, and the code disc supports are fixedly arranged at corresponding positions of the two installation frames on the detection rotating shaft respectively.

Further defined, the encoder assembly accuracy detecting device described above, wherein the reading head and the interface portion are located on the same side of the circuit board;

the mounting part connected with the circuit board is higher than the interface part in the axial direction of the detection rotating shaft in protruding height in the axial direction of the detection rotating shaft, and the code disc is mounted on the code disc support and keeps a preset distance with the reading head.

Further defined, the encoder assembly accuracy detecting device is provided, wherein the reading head and the interface are respectively located at two sides of the circuit board;

the mounting part connected with the circuit board is higher than the reading head in the axial direction of the detection rotating shaft in protruding height in the axial direction of the detection rotating shaft, and the code wheel is mounted on the code wheel bracket and keeps a preset distance with the reading head.

Further defined, the encoder assembly accuracy detecting device described above, wherein the code wheel bracket includes:

the bracket main body is sleeved on the detection rotating shaft;

the mounting bulge is fixedly arranged on the bracket main body;

wherein, the code wheel cover is established on the installation arch and with the bonding of support main part.

Further defined, the encoder assembly accuracy detecting device described above, wherein the power unit includes:

the motor bracket is fixedly arranged on the base;

the detection motor is fixedly arranged on the motor bracket;

the coupler is arranged between the detection motor and the detection rotating shaft and is respectively connected with the power end of the detection motor and the detection rotating shaft.

The application also provides an encoder assembly accuracy detection method, which is used for the encoder assembly accuracy detection device of any one of the above, and comprises the following steps:

the circuit board of the welding read head is arranged on the mounting unit;

the rotating assembly drives the code wheel to rotate at a preset speed relative to the reading head;

the detection equipment acquires and outputs the assembly quality information of the reading head;

removing the circuit board of the welding read head on the mounting unit, and performing classification of the circuit board of the welding read head based on the assembly quality information of the read head;

and comparing the assembly quality information of the reading head with a preset standard, and if the assembly quality information meets the preset standard, placing the circuit board of the welding reading head in a qualified area, otherwise, placing the circuit board in an unqualified area.

The invention has at least the following beneficial effects:

1. the single read head encoder can be used for detecting the welding quality (poor eccentricity, shafting deflection and the like) of the read head, the power unit drives the detection rotating shaft to drive the code wheel to rotate, and the code wheel is controlled to execute the preset rotating speed, so that the detection accuracy and the detection efficiency are greatly improved, and the labor cost is saved;

2. the assembly condition of the reading head is detected and adjusted through the rotation of the code disc, and the installation precision of the code disc on the detection rotating shaft is easier to control (coaxial with the detection rotating shaft), so that the installation quality of the code disc can be ensured to reach expectations, and the detection is more accurate;

3. the mounting frames for mounting the reading heads are respectively arranged on the two sides of the supporting seat, so that the reading heads on the two encoders can be detected at one time, and the detection efficiency is greatly improved;

4. through the protruding setting of height and code wheel support, reading head relative position to both sides installation department, can detect relative encoder and/or absolute encoder's reading head welding quality simultaneously, can detect to different grade type encoder promptly, further improved detection device's suitability and practicality.

Drawings

FIG. 1 is a schematic diagram of an encoder assembly accuracy detecting device according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of an encoder assembly accuracy detection apparatus according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view of the structure of a "code wheel 430" part of the encoder assembly accuracy detecting device according to the embodiment of the present application;

FIG. 4 is a schematic diagram of the structure of an "encoder 400" in the encoder assembly accuracy detecting device according to the embodiment of the present application;

FIG. 5 is a schematic view of the structure of the encoder assembly accuracy detecting apparatus according to the embodiment of the present application, wherein the "mounting unit 300" is located near the "rotating assembly";

FIG. 6 is a schematic exploded view of the "encoder mounting unit 300" part of the encoder assembly accuracy detecting apparatus according to the embodiment of the present application;

FIG. 7 is a schematic view showing the structure of the encoder mounting unit 300 on the side away from the rotating member in the encoder assembly accuracy detecting apparatus according to the embodiment of the present application;

FIG. 8 is a schematic diagram of the structure of a "mounting frame 350" in the encoder assembly accuracy detecting device according to the embodiment of the present application;

FIG. 9 is a schematic diagram of the structure of a "support seat 320" in the encoder assembly accuracy detecting device according to the embodiment of the present application;

fig. 10 is a schematic structural diagram of a "code wheel holder 360" in the encoder assembly accuracy detecting device according to the embodiment of the present application.

Reference numerals

The device comprises a base 100, a motor support 210, a detection motor 220, a coupler 230, a detection rotating shaft 240, a mounting unit 300, a mounting support 310, a supporting seat 320, a retaining plate 321, a first supporting protrusion 322, a rotating part 323, a second supporting protrusion 324, a locking nut 330, a bearing 340, a mounting rack 350, a rack body 351, a screw hole 352, a mounting part 353, a buckling groove 354, a code disc support 360, a support main body 361, a third supporting protrusion 362, a mounting protrusion 363, a glue containing groove 364, an encoder 400, a circuit board 410, a reading head 420, a code disc 430 and an interface part 440.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

The encoder assembly accuracy detection device and the encoder assembly accuracy detection method provided by the embodiment of the application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenes thereof.

As shown in fig. 1 to 10, an embodiment of the present application provides an encoder assembly accuracy detecting device, which includes a mounting unit 300 for mounting an encoder 400, and a rotating assembly for rotating a code wheel 430 with respect to a reading head 420.

The rotating assembly includes a detecting rotating shaft 240 rotatably disposed on a mounting frame, and a power unit connected to the detecting rotating shaft 240 and used for driving the detecting rotating shaft 240 to rotate, and the mounting unit 300 includes a supporting seat 320 fixedly disposed on the mounting frame.

The encoder 400 includes a circuit board 410 fixedly disposed on the support 320, the reading head 420 is fixedly disposed on the circuit board 410, and the code wheel 430 is fixedly disposed on the detecting shaft 240 and coaxial with the detecting shaft 240.

The reading head 420 corresponds to the position of the code wheel 430 in the axial direction of the detecting shaft 240.

In this embodiment of the application, adopt foretell encoder assembly precision detection device, can carry out read head 420 welding quality (decentration, shafting deflection etc.) to single read head encoder and detect pivot 240 drive code wheel 430 rotation through the power unit drive to control code wheel 430 and carry out predetermined rotational speed, improved detection accuracy and detection efficiency greatly, practice thrift the cost of labor.

It will be appreciated that since the reading head 420 is welded to the circuit board 410 by a user, a detection step is required, and the device is to detect whether the welding of the reading head 420 to the circuit board 410 meets the requirements, such as whether the welding deviation of the reading head 420 causes eccentricity, the welding distortion causes non-parallelism with the surface, and the like, and whether the defect of the reading head 420 is within a tolerance range, and when the detection is performed, a special detection device provided by an encoder manufacturer needs to be connected, as shown in fig. 4, the encoder 400 further comprises an interface part 440 fixedly arranged on the circuit board 410, the interface part 440 is used for connecting the detection device, the detection device acquires the rotation signal of the code disc 430 and can determine whether the welding of the reading head 420 is qualified after analysis, if the qualified reading head 420 is removed from the installation unit, and the installation of the next piece are continued to be detected, and if the qualified reading head 420 needs a reimbursement or a repair treatment.

It will be appreciated that the assembly of the read head 420 is detected and adjusted because the positioning difficulty of the code wheel 430 is low, the accuracy of the installation of the code wheel 430 on the detecting shaft 240 is easier to control (coaxial with the detecting shaft 240), and the quality of the installation can be ensured to reach the expected quality.

In a preferred embodiment, as shown in fig. 1 and 2, the power unit of the rotating assembly further comprises a base 100, the power unit of the rotating assembly comprises a motor bracket 210 fixedly arranged on the base 100, a detection motor 220 is fixedly arranged on the motor bracket 210, and a power end of the detection motor 220 is connected with a detection rotating shaft 240 through a coupler 230.

In this embodiment of the present application, the encoder assembly precision detection device is adopted, when the detection motor 220 is started, the detection rotating shaft 240 can be driven to rotate by the coupling 230, so that the code wheel 430 rotates at a predetermined speed relative to the reading head 420, and further automatic detection of the reading head 420 is realized.

It can be appreciated that the arrangement form of the power unit is not limited to the above-mentioned one, for example, the automatic telescopic device can be used to drive the detection rotating shaft 240 in cooperation with the rack and pinion structure, or other transmission structures can be used to realize the transmission between the power end of the detection motor 220 and the detection rotating shaft 240, so long as the control that the detection rotating shaft 240 rotates at a predetermined speed can be realized, which is not described herein.

In a preferred embodiment, as shown in fig. 1 to 10, the mounting unit 300 includes a mounting bracket 310 fixedly provided on the base 100, a supporting bracket 320 fixedly provided on the mounting bracket 310, and a sensing rotation shaft 240 rotatably coupled to the supporting bracket 320 through a bearing 340.

The support seat 320 is fixedly provided with a mounting frame 350, the circuit board 410 is fixedly arranged on the mounting frame 350 through bolts, the detection rotating shaft 240 is fixedly provided with a code wheel bracket 360, the code wheel 430 is fixedly arranged on the code wheel bracket 360, and the code wheel 430 can be driven to rotate through the code wheel bracket 360 when the detection rotating shaft 240 rotates.

Wherein, the code wheel 430 is arranged opposite to the corresponding position reading head 420, thereby realizing the detection of the assembly precision of the reading head 420.

In a preferred embodiment, as shown in fig. 1, 2 and 5 to 7, the supporting seat 320 is disposed through the mounting seat 310, the mounting frame 350 is provided with two fixing portions respectively disposed on two axial side end surfaces of the supporting seat 320 on the detecting shaft 240, and similarly, the end of the detecting shaft 240 away from the detecting motor 220 extends to the side of the supporting seat 320 away from the detecting motor 220, the two code wheel brackets 360 are fixedly arranged on the detection rotating shaft 240, the two code wheel brackets 360 are respectively positioned at the corresponding positions of the two mounting frames 350, and the circuit board 410 and the reading head 420 which are fixedly arranged on the mounting frames 350 are mutually matched with the code wheel 430 which is fixedly arranged on the code wheel bracket 360 at the corresponding positions.

In this embodiment of the application, adopt foretell encoder assembly precision detection device, set up the mounting bracket 350 that is used for installing the read head 420 respectively in supporting seat 320 both sides for can once only detect the read head 420 on two encoders 400, improve detection efficiency greatly.

It will be appreciated that the mounting form of the encoder 400 on the supporting seat 320 is not limited to the above-mentioned one, in order to increase the number of welded detection of the code wheel 430 on the detecting shaft 240 to a greater extent, a plurality of code wheel supports 360 can be disposed on the detecting shaft 240, and meanwhile, a plurality of supporting seats 320 corresponding to the positions of the code wheel supports 360 are disposed on the base 100, and the circuit boards 410 and the reading heads 420 corresponding to the positions of the code wheel supports 360 are disposed on the supporting seats 320 respectively, so that a greater number of encoders 400 can be detected simultaneously in this way, but the requirement of the setting mode on the matching precision of the device itself is higher, and there is a problem of error superposition.

In a preferred embodiment, as shown in fig. 2 and 9, the supporting seat 320 includes a rotating portion 323 penetrating the mounting support 310, a bearing 340 connected to the detecting shaft 240 is installed inside the rotating portion 323, a retaining plate 321 is fixedly disposed on one side end surface of the rotating portion 323, a first supporting protrusion 322 is fixedly disposed on a side end surface of the retaining plate 321 away from the rotating portion 323, and a second supporting protrusion 324 is fixedly disposed on a side end surface of the rotating portion 323 away from the retaining plate 321.

As shown in fig. 8, the mounting rack 350 includes a rack body 351, a screw hole 352 penetrating the rack body 351 and used for being connected with the supporting seat 320 by screws, a fastening groove 354 matching with the first supporting protrusion 322 or the second supporting protrusion 324 is provided on one side end surface of the rack body 351, and a mounting portion 353 for mounting the circuit board 410 is fixedly provided on one side end surface of the rack body 351 away from the fastening groove 354.

When the mounting frame 350 is mounted on the support base 320, the mounting frame 350 is fastened to the first support protrusion 322 or the second support protrusion 324 through the fastening groove 354, and then screw-coupled to the support base 320 through the screw hole 352.

It is understood that the shape of the buckling groove 354 is matched with the shape of the first supporting protrusion 322 or the second supporting protrusion 324, when the first supporting protrusion 322 or the second supporting protrusion 324 is circular, the buckling groove 354 is correspondingly arranged as a circular cavity, and when the first supporting protrusion 322 or the second supporting protrusion 324 is prismatic, the buckling groove 354 is correspondingly arranged as a prismatic cavity.

In a preferred embodiment, as shown in fig. 2 and 10, the code wheel bracket 360 includes a bracket main body 361, a mounting protrusion 363 for mounting the code wheel 430, a third supporting protrusion 362 for supporting the code wheel 430, and a glue containing groove 364 between the third supporting protrusion 362 and the mounting protrusion 363 are disposed on an end surface of one side of the bracket main body 361 away from the bearing 340, specifically, the code wheel 430 is sleeved on the mounting protrusion 363 and abuts against the third supporting protrusion 362 at a corresponding position, and glue is poured into the glue containing groove 364 to bond with the code wheel 430.

The corresponding position of the code wheel support 360 on the detection rotating shaft 240 is provided with a limiting part, the code wheel support 360 is sleeved on the detection rotating shaft 240 and is close to the end face of one side of the bearing 340 to be in butt joint with the corresponding position limiting part, the corresponding position of the code wheel support 360 on the detection rotating shaft 240 is also in threaded connection with the lock nut 330, the end face of one side of the code wheel support 360, far away from the bearing 340, is in butt joint with the lock nut 330 at the corresponding position, and the positioning of the code wheel support 360 on the detection rotating shaft 240 is realized through the limiting part and the limiting of the lock nut 330.

In this embodiment of the application, adopt foretell encoder assembly precision detection device, realize the installation of code wheel 430 on detecting pivot 240 through code wheel support 360, wherein code wheel 430 direct cover is established on installation arch 363, has realized the quick location of code wheel 430, adopts the mode of bonding to realize its fixing simultaneously for the installation of code wheel 430 is more convenient.

In a preferred embodiment, as shown in fig. 1, 2, 5 and 7, the encoder 400 is divided into a relative encoder and an absolute encoder based on the structure, wherein the interface portion 440 is mounted on the circuit board 410 in a different orientation, and the reading head 420 and the interface portion 440 are located on the same side of the circuit board 410 in the relative encoder; in the absolute encoder, the read head 420 and the interface 440 are respectively located at two sides of the circuit board 410.

For structural differences between the relative encoder and the absolute encoder, a large distance is maintained between the circuit board 410 and the mounting frame 350 for the relative encoder to ensure that the interface 440 does not interfere with the mounting frame 350; in the case of the absolute encoder, since the reading head 420 and the interface 440 are respectively located at two sides of the circuit board 410, the distance between the circuit board 410 and the mounting frame 350 is relatively small, that is, the protruding height of the mounting portion 353 corresponding to the absolute encoder is greater than the protruding height of the mounting portion 353 corresponding to the absolute encoder.

It will be appreciated that when the protruding heights of the mounting portions 353 corresponding to the relative encoder and the absolute encoder are different, in order to ensure that the distance between the code wheel 430 and the reading head 420 is constant, the relative positions of the code wheel 430 and the mounting frame 350 corresponding to the two encoders are different, that is, the encoder 400 and the mounting frame 350 are not structurally interfered.

Specifically, the mounting frame 350 near the side of the detection motor 220 is used for mounting an absolute encoder, and after the code wheel 430 is mounted on the code wheel bracket 360 at the corresponding position, the end face of the code wheel 430 near the side of the detection motor 220 is flush with the end face of the mounting frame 350 near the side of the detection motor 220, i.e. the end face of the mounting protrusion 363 near the side of the detection motor 220 is flush with the end face of the mounting frame 350 near the side of the detection motor 220; the mounting frame 350 at the side far away from the detection motor 220 is used for mounting the relative encoder, and after the code wheel 430 is mounted on the code wheel bracket 360 at the corresponding position, the end face at the side far away from the detection motor 220 of the third supporting protrusion 362 on the code wheel bracket 360 is flush with the end face at the side far away from the detection motor 220 of the mounting frame 350, i.e. the code wheel 430 is located at the side far away from the detection motor 220 of the mounting frame 350.

In this embodiment of the application, adopt foretell encoder assembly precision detection device, through the setting to the protruding height that stretches of both sides installation department 353 and code wheel support 360, mounting bracket 350 relative position, can detect relative encoder, absolute encoder's read head 420 welding quality simultaneously, can detect to different grade type's encoder 400 promptly, further improved detection device's suitability and practicality.

It can be appreciated that if the detection device detects only the relative encoder or the absolute encoder, the two-side code wheel brackets 360 and the mounting frame 350 can be correspondingly configured to have the same structure, so that the two relative encoders or the absolute encoders can be detected at one time, and the detection efficiency of the single type encoder 400 is improved.

Based on the above encoder assembly accuracy detection device, the embodiment also provides an encoder assembly accuracy detection method, which includes:

s1, a circuit board 410 of a welding read head 420 is arranged on a supporting seat 320;

s2, the rotating component drives the code wheel 430 to rotate at a preset speed relative to the reading head 420;

s3, the special detection equipment acquires and outputs the assembly quality information of the reading head 420;

s4, the circuit board 410 of the welding head 420 is detached from the supporting seat 320, and the circuit board 410 of the welding head 420 is classified based on the assembly quality information of the welding head 420.

In S4, the assembly quality information of the reading head 420 is compared with a preset standard, and if the assembly quality information meets the preset standard, the circuit board 410 of the welding reading head 420 is placed in a qualified area, otherwise, the circuit board 410 is placed in a disqualified area.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims (10)

1. An encoder assembly accuracy detection device, comprising:

a mounting unit for mounting a read head connected to the circuit board;

the rotating assembly is used for driving the code disc to rotate at a preset rotating speed relative to the reading head;

the rotating assembly comprises a detection rotating shaft rotatably arranged on a mounting frame and a power unit which is connected with the detection rotating shaft and is used for driving the detection rotating shaft to rotate;

the circuit board is provided with an interface part for connecting detection equipment, the code disc is fixedly arranged on the detection rotating shaft and is coaxial with the detection rotating shaft, and the reading head corresponds to the position of the code disc in the axis direction of the detection rotating shaft.

2. The encoder assembly accuracy detecting apparatus according to claim 1, wherein the mounting unit includes:

the mounting support is fixedly arranged on the base;

the supporting seat is fixedly arranged in the mounting support and is used for mounting the circuit board;

the detection rotating shaft is rotatably connected with the supporting seat bearing.

3. The encoder assembly accuracy detecting apparatus according to claim 2, wherein the mounting unit further comprises:

the mounting frame is fixedly arranged on the supporting seat, and a mounting part for mounting the circuit board is fixedly arranged on the end face of one side far away from the supporting seat;

the code disc support is fixedly arranged on the detection rotating shaft and fixedly connected with the code disc.

4. The encoder assembly accuracy detecting device according to claim 2 or 3, wherein the supporting base is provided with a supporting protrusion for positioning the mounting frame, and the mounting frame is provided with a buckling groove for matching and buckling with the supporting protrusion.

5. The encoder assembly accuracy detecting device according to claim 2 or 3, wherein the supporting base is arranged in the mounting base in a penetrating manner, and the supporting base is fixedly provided with mounting frames on both side end surfaces in the axial direction of the detecting rotating shaft respectively;

the detection rotating shaft penetrates through the supporting seat, and the code disc supports are fixedly arranged at corresponding positions of the two installation frames on the detection rotating shaft respectively.

6. An encoder assembly accuracy detecting apparatus according to claim 2 or 3, wherein the reading head and the interface portion are located on the same side of the circuit board;

the mounting part connected with the circuit board is higher than the interface part in the axial direction of the detection rotating shaft in protruding height in the axial direction of the detection rotating shaft, and the code disc is mounted on the code disc support and keeps a preset distance with the reading head.

7. An encoder assembly accuracy detection apparatus according to claim 2 or 3, wherein the readhead and the interface are located on both sides of the circuit board, respectively;

the mounting part connected with the circuit board is higher than the reading head in the axial direction of the detection rotating shaft in protruding height in the axial direction of the detection rotating shaft, and the code wheel is mounted on the code wheel bracket and keeps a preset distance with the reading head.

8. The encoder assembly accuracy detecting apparatus of claim 3, wherein the code wheel bracket comprises:

the bracket main body is sleeved on the detection rotating shaft;

the mounting bulge is fixedly arranged on the bracket main body;

wherein, the code wheel cover is established on the installation arch and with the bonding of support main part.

9. The encoder assembly accuracy detection apparatus according to claim 1, wherein the power unit includes:

the motor bracket is fixedly arranged on the base;

the detection motor is fixedly arranged on the motor bracket;

the coupler is arranged between the detection motor and the detection rotating shaft and is respectively connected with the power end of the detection motor and the detection rotating shaft.

10. An encoder assembly accuracy detection method, characterized in that the encoder assembly accuracy detection apparatus for any one of the above claims 1 to 9, comprises:

the circuit board of the welding read head is arranged on the mounting unit;

the rotating assembly drives the code wheel to rotate at a preset speed relative to the reading head;

the detection equipment acquires and outputs the assembly quality information of the reading head;

removing the circuit board of the welding read head on the mounting unit, and performing classification of the circuit board of the welding read head based on the assembly quality information of the read head;

and comparing the assembly quality information of the reading head with a preset standard, and if the assembly quality information meets the preset standard, placing the circuit board of the welding reading head in a qualified area, otherwise, placing the circuit board in an unqualified area.

Images