Grating chip deflection angle signal testing mechanism
By designing a grating chip deflection angle signal testing mechanism and using a sliding and fine-tuning mechanism and a micro-motor to drive the grating scale and displacement sensor, efficient testing of the grating chip deflection angle signal is achieved, solving the problem of low testing efficiency in the existing technology.
Patent Information
- Application Number
- CN202423044643.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing devices are difficult to efficiently test the deflection angle signal of the grating chip.
A grating chip deflection angle signal testing mechanism was designed, which included a mounting base, a slide, a clamping base, a micro motor and a grating scale. The lateral and vertical positions of the grating chip were fine-tuned by sliding and fine-tuning mechanisms. The micro motor was used to drive the support plate, the grating scale and the displacement sensor to rotate for deflection angle signal testing.
The system realizes efficient testing of the grating chip's deflection angle signal, solving the testing difficulties of existing devices.
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Figure CN223400347U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grating chip testing, in particular to a grating chip deflection angle signal testing mechanism. Background Art
[0002] The grating readhead is a precision device used to read the position information on the grating scale. Grating readheads can be divided into various types according to their structural characteristics and application scenarios, including direct reception type, mirror type, spectrometer type, metal grating reflection type, etc. Its working principle is to transmit light to the grating surface through the internal light-emitting diode, and the reflected light then returns to the readhead through the phase grating, generating a sinusoidal interference fringe signal. These signals can be processed and converted into digital or analog signals for further processing and analysis in control systems such as computers or PLCs. However, grating reading requires a large number of dedicated professional jigs in design, manufacturing, and testing;
[0003] After searching, the application with patent number 201921398698.1 discloses a chip testing device, including a machine, a feeding mechanism, a test module, a transfer mechanism, a horizontal drive mechanism and a lifting drive mechanism. The feeding mechanism is provided with a chip accommodating position for placing chips, and the chip accommodating position is embedded with a magnet for adsorbing chips; the transfer mechanism is installed at the output end of the horizontal drive mechanism and the lifting drive mechanism, and the horizontal drive mechanism is used to drive the transfer mechanism to move horizontally to above the feeding mechanism or the test module; the lifting drive mechanism is used to drive the transfer mechanism to rise and fall when the transfer mechanism moves to above the feeding mechanism to obtain the chip located in the chip accommodating position and to drive the transfer mechanism to rise and fall when the transfer mechanism moves to above the test module to place the chip on the test module, and the test module is used to test the performance of the chip. The utility model realizes the automatic testing of chips; and a magnet is also embedded in the chip accommodating position, and the automatic adjustment of the chip position is achieved by the force of the magnet;
[0004] The above application document realizes the signal test of the chip through the setting of various components. Currently, a grating reading head is generally used to test the chip on the bottom side. However, how to test the chip signal at the deflection angle has become an urgent problem to be solved.
[0005] Therefore, we proposed a grating chip deflection angle signal testing mechanism. Utility Model Content
[0006] In view of the shortcomings of the existing technology, the utility model provides a grating chip deflection angle signal testing mechanism, which solves the problem that the existing device is difficult to efficiently test the deflection angle signal of the grating chip according to demand.
[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a grating chip deflection angle signal testing mechanism, comprising a mounting base placed on a platform, the top of the mounting base being slidably fitted with a slide and a clamping base, an outer wall of the clamping base being fixedly fitted with a support, the support being equipped with a micro motor, and an output end of the micro motor being rotatably fitted with a support disk;
[0008] The support plate is equipped with a grating ruler and a displacement sensor, and the grating ruler and the displacement sensor are arranged above the grating chip.
[0009] As a preferred solution of the present invention, a slide groove is provided on the top of the mounting seat, and the bottom end of the slide is slidably sleeved in the slide groove on the top of the mounting seat. An inverted trapezoidal slide table is provided on the outer wall of the slide seat, and a slide groove adapted to the specifications of the slide table is provided on the inner side of the clamping seat;
[0010] Among them, the setting of the mounting seat and the slide sliding set facilitates the sliding of the slide and the clamping seat thereon on the mounting seat, thereby achieving the effect of horizontal fine-tuning the position of the grating scale and displacement sensor assembled on the clamping seat.
[0011] As a preferred solution of the present invention, a fine-tuning mechanism is fixedly connected to the outer wall of the card holder, the main body of the fine-tuning mechanism is a cylinder seat, the outer end of the cylinder seat is fixedly connected to the outer wall of the card holder, and the cylinder seat is fixedly mounted on the outer platform wall;
[0012] Among them, the setting of the fine-tuning mechanism can provide driving force for the lateral fine-tuning of the slide and the clamping seat to ensure the adjustment effect.
[0013] As a preferred solution of the present invention, a fastening screw hole is opened on the outer wall of the clamping seat, a fastening bolt is threadedly sleeved in the fastening screw hole, and the inner end surface of the fastening bolt is tightly attached to the side wall of the sliding seat;
[0014] The provision of the fastening bolts facilitates press-fitting the holder to a corresponding position on the slide platform, and facilitates stable press-fitting and limiting of the position of the holder in the vertical direction, thereby ensuring an adjustment effect.
[0015] As a preferred solution of the present invention, the outer wall of the card seat is assembled with a support by screws, the support is provided with an axial hole, a micro motor is fixedly mounted on the outer wall of the card seat, the output shaft of the micro motor is fixedly connected to a rotating shaft, and the rotating shaft is rotatably sleeved in the axial hole on the support;
[0016] The support is provided to facilitate installation of the support plate thereon and the subsequent grating ruler and displacement sensor.
[0017] As a preferred solution of the present invention, a support shaft is provided in the rotating shaft, a sleeve handle is fixedly sleeved on the support shaft, and a support plate is fixedly connected to the bottom end of the sleeve handle;
[0018] The arrangement of the support shaft and the sleeve handle facilitates the micro motor to drive the support disc to rotate.
[0019] As a preferred solution of the present invention, a screw hole is provided on the outer wall of the support plate, and the support plate is assembled with a receiving plate through the screw hole and the fastening screw;
[0020] As a preferred solution of the present invention, the receiving plate is an L-shaped plate, and the bottom of the receiving plate is assembled with a grating ruler and a displacement sensor at its bottom by screws;
[0021] The setting of the receiving plate facilitates the fixed installation of the grating scale and the displacement sensor on the driving end of the micro motor.
[0022] The utility model provides a grating chip deflection angle signal testing mechanism, which has the following beneficial effects:
[0023] The grating chip deflection angle signal testing mechanism, through the setting of the structure, can utilize the sliding and adjustment settings on the slide and the card seat to facilitate fine-tuning of the specific horizontal and vertical positions of the card seat, and the setting of the micro motor can drive the support plate and the grating scale and displacement sensor thereon to rotate, thereby achieving the effect of performing deflection angle signal testing on the bottom side grating chip, solving the problem that existing devices are difficult to efficiently test the deflection angle signal of the grating chip according to needs. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a structural diagram of the utility model;
[0025] Figure 2 It is a schematic structural diagram of the utility model from the side.
[0026] In the figure: 1. Mounting seat; 2. Sliding seat; 3. Clamping seat; 4. Fine-tuning mechanism; 5. Support; 6. Micro motor; 7. Rotating shaft; 8. Support shaft; 9. Sleeve handle; 10. Support plate; 11. Adapter plate; 12. Grating scale; 13. Displacement sensor; 14. Fastening bolts. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0028] See also Figure 1 and 2 The embodiment of the utility model provides a technical solution: a grating chip deflection angle signal testing mechanism, comprising a mounting base 1 placed on a platform, a slide 2 and a clamping base 3 being slidably mounted on the top of the mounting base 1, a support 5 being fixedly mounted on the outer wall of the clamping base 3, a micro motor 6 being mounted on the support 5, and a support plate 10 being rotatably mounted on the output end of the micro motor 6; a grating scale 12 and a displacement sensor 13 being mounted on the support plate 10, and the grating scale 12 and the displacement sensor 13 being arranged above the grating chip;
[0029] Among them, the grating chip deflection angle signal testing mechanism, through the setting of this structure, can utilize the sliding and adjustment settings on the slide 2 and the card holder 3 to facilitate fine-tuning the specific horizontal and vertical positions of the card holder 3, and the setting of the micro motor 6 can drive the support plate 10 and the grating scale 12 and displacement sensor 13 thereon to rotate, thereby achieving the effect of performing deflection angle signal testing on the bottom side grating chip, solving the problem that existing devices are difficult to efficiently test the deflection angle signal of the grating chip according to needs. Example
[0030] A slide groove is provided on the top of the mounting seat 1, and the bottom end of the slide 2 is slidably mounted in the slide groove on the top of the mounting seat 1. An inverted trapezoidal slide is provided on the outer wall of the slide 2, and a slide groove matching the specifications of the slide is provided on the inner side of the clamping seat 3; wherein, the setting of the sliding set of the mounting seat 1 and the slide 2 facilitates the sliding of the slide 2 and the clamping seat 3 thereon on the mounting seat 1, thereby achieving the effect of lateral fine-tuning of the position of the grating scale 12 and the displacement sensor 13 assembled on the clamping seat 3.
[0031] A fine-tuning mechanism 4 is fixedly connected to the outer wall of the base 3. The main body of the fine-tuning mechanism 4 is a cylinder seat. The outer end of the cylinder seat is fixedly connected to the outer wall of the base 3, and the cylinder seat is fixedly installed on the outer platform wall; wherein, the setting of the fine-tuning mechanism 4 can provide driving force for the lateral fine-tuning of the slide 2 and the base 3 to ensure the adjustment effect.
[0032] A fastening screw hole is provided on the outer wall of the base 3, and a fastening bolt 14 is threadedly sleeved in the fastening screw hole, and the inner end surface of the fastening bolt 14 is tightly attached to the side wall of the slide 2; wherein, the setting of the fastening bolt 14 facilitates the press-fitting of the base 3 to the corresponding position on the slide table of the slide 2, and facilitates the stable press-fitting and limiting of the position of the base 3 from the vertical direction to ensure the adjustment effect.
[0033] The outer wall of the base 3 is assembled with a support 5 by screws, and an axial hole is opened on the support 5. A micro motor 6 is fixedly installed on the outer wall of the base 3. The output shaft of the micro motor 6 is fixedly connected to the rotating shaft 7, and the rotating shaft 7 is rotatably sleeved in the axial hole on the support 5; wherein, the setting of the support 5 facilitates the installation of the support plate 10 thereon and the subsequent grating scale 12 and displacement sensor 13.
[0034] A support shaft 8 is provided in the rotating shaft 7, a sleeve handle 9 is fixedly sleeved on the support shaft 8, and a support plate 10 is fixedly connected to the bottom end of the sleeve handle 9; wherein, the setting of the support shaft 8 and the sleeve handle 9 facilitates the micro motor 6 to drive the support plate 10 to rotate.
[0035] Screw holes are provided on the outer wall of the support plate 10, and the support plate 10 is assembled with a receiving plate 11 through the screw holes and fastening screws; the receiving plate 11 is an L-shaped plate, and the bottom of the receiving plate 11 is assembled with a grating scale 12 and a displacement sensor 13 at its bottom through screws; wherein, the setting of the receiving plate 11 facilitates the fixed installation of the grating scale 12 and the displacement sensor 13 on the driving end of the micro motor 6.
[0036] The working principle and usage process of the present invention are as follows: when the device is needed to test the bottom side grating chip, the positions of the mounting seat 1, the slide 2 and the upper clamping seat 3 are adjusted in advance according to the needs, and finally the receiving plate 11 is fixedly installed on the supporting plate 10, and the grating scale 12 and the displacement sensor 13 are assembled on the bottom side of the receiving plate 11. Finally, the micro motor 6 drives the supporting plate 10, the upper grating scale 12 and the displacement sensor 13 to rotate, thereby performing an angular deflection test on the bottom side of the grating chip to ensure the test effect.
[0037] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all perspectives, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and range of equivalents of the claims be included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.
[0038] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A grating chip deflection angle signal testing mechanism, characterized by: It comprises a mounting base (1) placed on a platform, the top of the mounting base (1) is slidably sleeved with a slide base (2) and a clamping base (3), a support (5) is fixedly mounted on the outer wall of the clamping base (3), a micro motor (6) is mounted on the support (5), and the output end of the micro motor (6) is rotatably sleeved with a support disc (10); The support plate (10) is equipped with a grating ruler (12) and a displacement sensor (13), and the grating ruler (12) and the displacement sensor (13) are arranged above the grating chip.
2. The grating chip deflection angle signal testing mechanism according to claim 1, characterized in that: The top of the mounting seat (1) is provided with a slide groove, the bottom end of the slide seat (2) is slidably sleeved in the slide groove on the top of the mounting seat (1), an inverted trapezoidal slide table is provided on the outer wall of the slide seat (2), and a slide groove adapted to the specifications of the slide table is provided on the inner side of the clamping seat (3).
3. The grating chip deflection angle signal testing mechanism according to claim 2, characterized in that: A fine-tuning mechanism (4) is fixedly connected to the outer wall of the card seat (3), the main body of the fine-tuning mechanism (4) is a cylinder seat, the outer end of the cylinder seat is fixedly connected to the outer wall of the card seat (3), and the cylinder seat is fixedly installed on the outer platform wall.
4. The grating chip deflection angle signal testing mechanism according to claim 1, characterized in that: A fastening screw hole is provided on the outer wall of the clamping seat (3), a fastening bolt (14) is threadedly sleeved in the fastening screw hole, and the inner end surface of the fastening bolt (14) is tightly attached to the side wall of the sliding seat (2).
5. The grating chip deflection angle signal testing mechanism according to claim 1, characterized in that: The outer wall of the card seat (3) is assembled with a support (5) by screws, and an axial hole is opened on the support (5). A micro motor (6) is fixedly installed on the outer wall of the card seat (3), and the output shaft of the micro motor (6) is fixedly connected to a rotating shaft (7), and the rotating shaft (7) is rotatably sleeved in the axial hole on the support (5).
6. The grating chip deflection angle signal testing mechanism according to claim 5, characterized in that: A support shaft (8) is provided in the rotating shaft (7), a sleeve handle (9) is fixedly sleeved on the support shaft (8), and a support plate (10) is fixedly connected to the bottom end of the sleeve handle (9).
7. The grating chip deflection angle signal testing mechanism according to claim 6, characterized in that: The outer wall of the support plate (10) is provided with a screw hole, and the support plate (10) is assembled with a receiving plate (11) through the screw hole and the fastening screw.
8. The grating chip deflection angle signal testing mechanism according to claim 7, characterized in that: The receiving plate (11) is an L-shaped plate, and the bottom of the receiving plate (11) is assembled with a grating ruler (12) and a displacement sensor (13) at the bottom thereof via screws.
Citation Information
Patent Citations
Chip testing device
CN211086513U