CN216668669U - Automatic detection instrument for cross-rod distance size of rack of automobile steering gear - Google Patents
Automatic detection instrument for cross-rod distance size of rack of automobile steering gear Download PDFInfo
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- CN216668669U CN216668669U CN202121195215.5U CN202121195215U CN216668669U CN 216668669 U CN216668669 U CN 216668669U CN 202121195215 U CN202121195215 U CN 202121195215U CN 216668669 U CN216668669 U CN 216668669U
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Abstract
The utility model relates to an automatic detection instrument for the cross-rod distance size of a rack of an automobile steering gear, which comprises a base and a measuring station arranged on the base, is used for detecting a workpiece to be detected and comprises: the measuring assembly is used for detecting the cross-rod distance size of the rack of the workpiece to be measured; the clamping and aligning mechanism is matched with the measuring assembly and is used for clamping and positioning the measured workpiece during measurement of the measured workpiece; the workpiece conveying mechanism is arranged at the upper part of the measuring station and is used for conveying the materials on the blanking frame in the previous working procedure to the measuring station; and the blanking station is used for transporting the detected workpiece after detection. Compared with the manual measurement in the prior art, the instrument improves the measurement beat and the measurement precision, and provides a powerful guarantee for the industrial automation popularization of enterprises.
Description
Technical Field
The utility model relates to the technical field of automobile part measurement, in particular to an automatic detection instrument for the cross-rod distance size of a rack of an automobile steering gear.
Background
A rack in an automobile steering gear plays a transmission role and is one of key parts in the whole system, the dimension of the cross-rod distance of the rack is an important dimension used for meshing transmission with a gear, the existing method for detecting the cross-rod distance of the rack at home and abroad is a manual measurement mode combining an external micrometer and a pin type rod, the efficiency is low, the precision is poor, misleading data can be brought to the batch processing of the rack, and the ordered production is influenced. The method has the advantages that the method is five-door and eight-door, the instrument mode of detecting the distance between the racks across the rods is automatically developed in the market, but only the initial upgrade of a manual detection mode is stopped, only the initial measurement can be performed on single variety, the requirements on workers, the operation proficiency and the like are high, the follow-up manual judgment, the processing and the analysis are required, and the using effect is not qualitatively changed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior measuring technology and provide the special measuring instrument for the core size of the high-precision automobile steering gear rack, which is easy to operate and reduces the manual requirement.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides an auto steering ware rack strides excellent apart from size automated inspection instrument, includes the base and installs on the base:
the measurement station for detect the workpiece under test, includes:
the measuring assembly is used for detecting the dimension of the span length of the rack of the workpiece to be measured;
the clamping and aligning mechanism is matched with the measuring assembly and is used for clamping and positioning the measured workpiece during measurement of the measured workpiece;
the workpiece conveying mechanism is arranged at the upper part of the measuring station and is used for conveying the materials on the blanking frame in the previous working procedure to the measuring station;
and the blanking station is used for transporting the detected workpiece after detection.
Furthermore, the measuring assembly is installed on the base through a measuring welding support and comprises a plurality of measuring head assemblies, the measuring head assemblies are installed on a transverse moving plate in parallel, the transverse moving plate is connected with a measuring electric cylinder connecting plate of the measuring electric cylinder unit, and the measuring electric cylinder connecting plate is connected with a sliding seat of the motor unit and moves transversely under the action of the motor.
Furthermore, the measuring head assembly comprises a first guide rail fixing plate, a measuring cylinder fixing seat arranged at the upper end of the first guide rail fixing plate, and a lower sensor fixing plate arranged at the lower part of the first guide rail fixing plate, wherein a second guide rail fixing plate is movably arranged at the upper part of the first guide rail fixing plate through a guide rail,
the measuring cylinder is arranged on the measuring cylinder fixing seat, and the lower end of the measuring cylinder is connected with the second guide rail fixing plate and drives the second guide rail fixing plate to move up and down;
the lower end of the second guide rail fixing plate is provided with a measuring head clamp, the middle of the measuring head clamp is vertically provided with a guide sleeve, the lower end of the measuring head clamp is movably provided with a measuring rod for measuring the span length of the rack, and the upper end of the measuring head clamp is provided with a sensor; and the lower sensor fixing plate is provided with a measuring head protection part and a sensor.
Furthermore, the outer side of the measuring head component is also provided with a correcting mechanism and a sensor component.
When the device works specifically, after a workpiece to be measured is installed in place, the measuring cylinder acts to drive the second guide rail fixing plate to move downwards, the measuring rod is in contact with the tooth socket of the workpiece to be measured, and the sensor senses and feeds data back to the system; the measuring electric cylinder can realize transverse movement and test different tooth sockets.
Further, the clamping and aligning mechanism comprises a pair of motor center units which are arranged at intervals;
the motor center unit comprises a center seat and a center arranged on the center seat through a guide sleeve, and the center is in transmission connection with a servo motor arranged at the rear end of the center seat;
the center seat is installed on a first sliding seat, the first sliding seat is installed on the fixed seat through a guide rail, the first sliding seat is connected with a swing cylinder, and switching of the workpiece to be measured from a discharging station and a measuring station is achieved.
Furthermore, the pair of motor center units arranged at intervals are arranged on the base through a support, one of the motor center units is arranged on the support through a fixed base plate, and the other motor center unit is arranged on the support provided with the guide rail through a movable base plate, so that the motor center units can move.
When the automatic centering device works, the two centers jack a workpiece to be measured to enable the workpiece to be separated from the preset position tray, the centers automatically clamp and position the workpiece and align the workpiece through the rotation of the motor, the workpiece to be measured is sent to a measuring station to be measured, and after the measurement is finished, the workpiece to be measured is sent to a discharging station.
Furthermore, the blanking station comprises a lower material moving mechanism, the lower material moving mechanism comprises a movable base unit and a lifting supporting plate unit arranged on the movable base unit,
the movable base unit comprises a motor, a second sliding seat in transmission connection with the motor and a bottom plate arranged on the second sliding seat;
the lifting supporting plate unit comprises a lifting cylinder arranged on the bottom plate, an upper supporting plate arranged at the upper end of the lifting cylinder, fixing blocks arranged on two sides of the upper end of the upper supporting plate, and a V-shaped supporting block arranged at the upper end of the fixing block and used for supporting a workpiece to be measured.
During specific work, the blanking station can realize lifting and transverse movement, the tested workpiece is conveyed to the blanking conveying mechanism, the blanking station can bear 10 tested qualified parts at the limit, blanking time of about 45 minutes (each part is slightly different in saving feast) can be reserved, and favorable conditions are provided for a mode of one person for multiple posts.
Furthermore, the blanking station further comprises a qualified material channel conveying mechanism and an unqualified area, the front end of the qualified material channel conveying mechanism is located at the rear part of the downward moving mechanism, and the unqualified area is used for placing, detecting and removing unqualified products, so that the qualified products and the unqualified products can be effectively distinguished, and conditions are provided for quality control.
Further, the workpiece conveying mechanism comprises a material grabbing mechanism base, a module connecting base arranged on the material grabbing mechanism base and a sliding base arranged on the module connecting base;
and the sliding base is provided with a hand grip assembly which comprises an air cylinder, a line rail plate, a clamping jaw air cylinder plate arranged at the lower end of the line rail plate and a hand grip arranged at the lower end of the clamping jaw air cylinder plate.
Furthermore, a protective cover is arranged on the upper portion of the base.
The detection instrument is provided with an electric control system and an SPC analysis system, the electric control system mainly controls the linkage structures of transmission, measurement, judgment and the like of the whole instrument, information such as alarm and the like can be displayed in time, and the SPC analysis system plays a role in automatically analyzing measured data and provides support data for quality monitoring of process production. The measuring head assembly automatically conveys the measuring position and contacts the workpiece to be measured, the measurement of all the measuring positions is completed through movement, data are collected through the inductive sensor, the collected data are transmitted to the SPC control analysis system, the SPC analysis system gives a measured value of a measured parameter through operation and displays the measured value through the display, the three-color alarm lamp carries out corresponding alarm prompt according to whether the workpiece to be measured is qualified, and after the measurement is completed, the workpiece is moved to a discharging station through the workpiece conveying mechanism of the detection instrument.
Furthermore, a calibration piece is also arranged in cooperation with the detection instrument, and the calibration piece is used for providing support for the accuracy of the measured value and can be used for judging whether the measured value is accurate at any time.
Compared with the prior art, the utility model has the following advantages:
1. at present, the detection can only carry out preliminary measurement on single variety and single requirement, the requirements on workers, operation proficiency and the like are high, and subsequent manual judgment processing and analysis are needed.
2. The detection instrument can perform quick and effective batch online measurement, the design size of the detection instrument covers all specifications of a steering gear rack, and the four specifications of the diameters phi 3, phi 3.5, phi 4 and phi 5 of the detection instrument can be flexibly and freely applied through adjustment and switching, so that the automation and quality monitoring of production enterprises are powerfully guaranteed.
3. After the workpiece to be measured is installed in place, the measuring head assembly is automatically conveyed to the measuring position and contacts the workpiece to be measured, the measurement of all the measuring positions is completed through movement, data are collected through the inductance sensor, the collected data are transmitted to the SPC control analysis system, the SPC analysis system gives the measured value of the measured parameter through calculation and displays the measured value through the display, the three-color alarm lamp gives corresponding alarm prompt according to whether the workpiece to be measured is qualified, and after the measurement is completed, the workpiece conveying mechanism of the detection instrument moves the workpiece to the blanking station, so that the test can be completed efficiently.
Drawings
FIG. 1 is a schematic view of the overall structure of the automatic inspection apparatus of the present invention;
FIGS. 2 and 3 are schematic structural views of the measuring assembly;
fig. 4 is a schematic structural diagram of the probe assembly;
FIG. 5 is a schematic view of the mounting structure of the measuring station, the clamping and aligning mechanism and the downward moving mechanism;
FIG. 6 is a schematic structural view of the clamping and aligning mechanism and the downward moving mechanism;
FIG. 7 is an enlarged schematic structural view of the downward moving mechanism;
FIG. 8 is a schematic structural view of a work conveying mechanism;
FIG. 9 is a schematic view of a gripper assembly in the workpiece transport mechanism;
FIG. 10 is a schematic structural view of a qualified material passage conveying mechanism;
fig. 11 is a schematic diagram of the structure of an SPC analysis system.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1, an automatic detecting instrument for the cross-rod distance size of a rack of an automobile steering gear comprises a base 100 and a detecting unit installed on the base 100: the measurement station for detect the work piece under test, it includes: the measuring assembly 200 is used for detecting the cross-rod distance size of the rack of the workpiece to be measured; the clamping and aligning mechanism 300 is matched with the measuring assembly 200 and is used for clamping and positioning the workpiece to be measured during measurement of the workpiece to be measured; the workpiece conveying mechanism 400 is arranged at the upper part of the measuring station and is used for conveying the materials on the blanking frame in the previous working procedure to the measuring station; and the blanking station is used for transporting the detected workpiece after detection.
The upper portion of base 100 is equipped with the protection casing, as fig. 11, and the detecting instrument is equipped with electrical control system and SPC analytic system 700, and electrical control system dominates the linkage structure such as transmission, measurement, judgement of whole instrument, can in time show information such as warning, and SPC analytic system 700 plays measured data automatic analysis function, provides support data for the quality control of process production.
Referring to fig. 2, 3 and 4, the measuring assembly 200 is mounted on the base 100 by a measuring welding bracket 201, the measuring assembly 200 includes a plurality of probe assemblies 202, the plurality of probe assemblies 202 are mounted on a traverse plate 203 in parallel, the traverse plate 203 is connected to a measuring cylinder connecting plate 204 of a measuring cylinder unit, and the measuring cylinder connecting plate 204 is connected to a slide of a motor unit and moves laterally under the action of a motor. The measuring head assembly 202 comprises a first guide rail fixing plate 2021, a measuring cylinder fixing seat 2022 installed at the upper end of the first guide rail fixing plate 2021, and a lower sensor fixing plate 2023 installed at the lower part of the first guide rail fixing plate 2021, wherein a second guide rail fixing plate 2024 is movably installed at the upper part of the first guide rail fixing plate 2021 through a guide rail, a measuring cylinder is installed on the measuring cylinder fixing seat 2022, and the lower end of the measuring cylinder is connected with the second guide rail fixing plate 2024 and drives the second guide rail fixing plate 2024 to move up and down; a measuring head clamp 2025 is mounted at the lower end of the second guide rail fixing plate 2024, a guide sleeve 2026 is vertically mounted in the middle of the measuring head clamp 2025, a measuring rod 2027 for measuring the span length of the rack is movably mounted at the lower end of the measuring head clamp 2025, and a sensor is arranged at the upper end of the measuring head clamp 2025; the lower sensor fixing plate is provided with a probe protection part 2028 and a sensor. The outer side of the measuring head assembly 202 is also provided with a correcting mechanism and a sensor assembly. When the device works specifically, after a workpiece to be measured is installed in place, the measuring cylinder acts to drive the second guide rail fixing plate 2024 to move downwards, the measuring rod 2027 is in contact with the tooth socket of the workpiece to be measured, and the sensor senses and feeds data back to the system; the measuring electric cylinder can realize transverse movement and test different tooth sockets.
As shown in fig. 5 and 6, the clamping and aligning mechanism 300 includes a pair of motor center units arranged at intervals; the motor center unit comprises a center seat 301 and a center 302 arranged on the center seat 301 through a guide sleeve, and the center 302 is in transmission connection with a servo motor 304 arranged at the rear end of the center seat 301; the center seat 301 is installed on a first sliding seat 305, the first sliding seat 305 is installed on a fixed seat 306 through a guide rail, and the first sliding seat 305 is connected with a swing cylinder 307, so that the switching of the workpiece to be measured from a blanking station and a measuring station is realized. A pair of motor center units arranged at intervals are arranged on the base 100 through a support, one of the motor center units is arranged on the support through a fixed base plate 308, and the other motor center unit is arranged on the support provided with a guide rail through a movable base plate 309, so that the motor center units can move. During specific work, the two centers 302 jack up a workpiece to be measured to enable the workpiece to be separated from a preset position tray, the centers 302 automatically clamp and position the workpiece and align the workpiece through rotation of a motor, the workpiece to be measured is sent to a measuring station to be measured, and after the measurement is completed, the workpiece to be measured is sent to a blanking station.
As shown in fig. 7, the blanking station includes a lower material moving mechanism 500, the lower material moving mechanism 500 includes a movable base unit, a lifting support plate unit mounted on the movable base unit, the movable base unit includes a motor 501, a second slide 502 connected to the motor 501 in a transmission manner, and a bottom plate 503 mounted on the second slide 502; the lifting supporting plate unit comprises a lifting cylinder 504 arranged on the bottom plate 503, an upper supporting plate 505 arranged at the upper end of the lifting cylinder 504, fixing blocks 506 arranged at two sides of the upper end of the upper supporting plate 505, and a V-shaped supporting block 507 arranged at the upper end of the fixing block 506 and used for supporting a workpiece to be measured. During specific work, the blanking station can realize lifting and transverse movement, and a workpiece to be detected is conveyed to the blanking conveying mechanism.
The blanking station further comprises a qualified material channel conveying mechanism 600 and an unqualified area, wherein the front end of the qualified material channel conveying mechanism 600 is positioned at the rear part of the lower material moving mechanism 500, as shown in fig. 10.
As shown in fig. 8 and 9, the workpiece conveying mechanism 400 includes a material grabbing mechanism base, a module connecting base 401 mounted on the material grabbing mechanism base, and a sliding base 402 mounted on the module connecting base 401; and a hand grip assembly is arranged on the sliding base and comprises an air cylinder, a line rail plate 403, a clamping jaw air cylinder plate 404 arranged at the lower end of the line rail plate 403 and a hand grip 405 arranged at the lower end of the clamping jaw air cylinder plate 404.
The calibration piece is matched with the detector and is used for providing support for the accuracy of the measured value and judging whether the measured value is accurate or not at any time.
During the specific test, the measuring head assembly 202 is automatically conveyed to the measuring position and contacts with the workpiece to be measured, the measurement of all the measuring positions is completed through movement, the data are collected by the inductive sensor, the collected data are transmitted to the SPC control and analysis system 700 of the computer, the SPC analysis system 700 gives the measured value of the measured parameter through calculation and displays the measured value through a display, the three-color alarm lamp carries out corresponding alarm prompt according to whether the measured workpiece is qualified, after the measurement is finished, the workpiece conveying mechanism 400 of the detection instrument moves the workpiece to the blanking station, the blanking station can bear 10 detected qualified parts at the limit, about 45 minutes can be reserved, each part can save slightly different blanking time, favorable conditions are provided for a mode of one person for multiple posts, in addition, an unqualified area is arranged, unqualified products are placed and detected, the qualified products and the unqualified products can be effectively distinguished, and conditions are provided for quality control.
The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides an auto steering ware rack strides excellent apart from size automated inspection instrument, characterized in that, includes base (100) and installs on base (100):
the measurement station for detect the workpiece under test, includes:
the measuring assembly (200) is used for detecting the cross-bar distance size of the rack of the workpiece to be measured;
the clamping and aligning mechanism (300) is matched with the measuring assembly (200) and is used for clamping and positioning the workpiece to be measured during measurement of the workpiece to be measured;
the workpiece conveying mechanism (400) is arranged at the upper part of the measuring station and is used for conveying the materials on the blanking frame in the previous working procedure to the measuring station;
and the blanking station is used for transporting the detected workpiece after detection.
2. The automatic detection instrument for the cross-rod distance dimension of the rack of the automobile steering gear according to claim 1 is characterized in that the measuring assembly (200) is installed on the base (100) through a measuring welding bracket (201), the measuring assembly (200) comprises a plurality of measuring head assemblies (202), the plurality of measuring head assemblies (202) are installed on a traverse plate (203) in parallel, the traverse plate (203) is connected with a measuring electric cylinder connecting plate (204) of a measuring electric cylinder unit, and the measuring electric cylinder connecting plate (204) is connected with a sliding seat of a motor unit and moves transversely under the action of a motor.
3. The automatic detection instrument for the cross-rod distance dimension of the rack of the automobile steering gear according to claim 2, characterized in that the measuring head assembly (202) comprises a first guide rail fixing plate (2021), a measuring cylinder fixing seat (2022) installed at the upper end of the first guide rail fixing plate (2021), and a lower sensor fixing plate (2023) installed at the lower part of the first guide rail fixing plate (2021), wherein a second guide rail fixing plate (2024) is movably installed at the upper part of the first guide rail fixing plate (2021) through a guide rail,
the measuring cylinder fixing seat (2022) is provided with a measuring cylinder, and the lower end of the measuring cylinder is connected with the second guide rail fixing plate (2024) and drives the second guide rail fixing plate to move up and down;
a measuring head clamp (2025) is arranged at the lower end of the second guide rail fixing plate (2024), a guide sleeve (2026) is vertically arranged in the middle of the measuring head clamp (2025), a measuring rod (2027) for measuring the span length of the rack is movably arranged at the lower end of the measuring head clamp (2025), and a sensor is arranged at the upper end of the measuring head clamp (2025); the lower sensor fixing plate is provided with a measuring head protection part (2028) and a sensor.
4. The automatic detecting instrument for the rod span length of the automobile steering gear rack is characterized in that a correcting mechanism and a sensor assembly are further arranged on the outer side of the measuring head assembly (202).
5. The automatic detecting instrument for the cross-rod distance dimension of the rack of the automobile steering gear according to claim 1, characterized in that the clamping and aligning mechanism (300) comprises a pair of motor center units which are arranged at intervals;
the motor center unit comprises a center seat (301) and a center (302) arranged on the center seat (301) through a guide sleeve, and the center (302) is in transmission connection with a servo motor (304) arranged at the rear end of the center seat (301);
the center seat (301) is arranged on a first sliding seat (305), the first sliding seat (305) is arranged on a fixed seat (306) through a guide rail, and the first sliding seat (305) is connected with a swing cylinder (307) to realize the switching of a workpiece to be measured from a blanking station and a measuring station.
6. The automatic detection instrument for the cross-rod distance dimension of the rack of the automobile steering gear according to claim 5 is characterized in that the pair of motor center units which are arranged at intervals are installed on the base (100) through a support, one motor center unit is installed on the support through a fixed base plate (308), and the other motor center unit is installed on the support provided with a guide rail through a movable base plate (309), so that the motor center units can move.
7. The automatic detection instrument for the cross-rod distance dimension of the rack of the automobile steering gear according to claim 5, characterized in that the blanking station comprises a downward moving mechanism (500), the downward moving mechanism (500) comprises a movable base unit, a lifting supporting plate unit arranged on the movable base unit,
the movable base unit comprises a motor (501), a second sliding seat (502) in transmission connection with the motor (501), and a bottom plate (503) arranged on the second sliding seat (502);
the lifting supporting plate unit comprises a lifting cylinder (504) arranged on the bottom plate (503), an upper supporting plate (505) arranged at the upper end of the lifting cylinder (504), fixing blocks (506) arranged at two sides of the upper end of the upper supporting plate (505), and a V-shaped supporting block (507) arranged at the upper end of the fixing block (506) and used for supporting a workpiece to be measured.
8. The automatic detection instrument for the cross-rod distance dimension of the automobile steering gear rack according to claim 7, characterized in that the blanking station further comprises a qualified material channel conveying mechanism (600) and a disqualified area, wherein the front end of the qualified material channel conveying mechanism (600) is positioned at the rear part of the downward moving mechanism (500).
9. The automatic detection instrument for the rod span length of the automobile steering gear rack according to claim 1, characterized in that the workpiece conveying mechanism (400) comprises a material grabbing mechanism base, a module connecting base (401) installed on the material grabbing mechanism base, and a sliding base (402) installed on the module connecting base (401);
the sliding base is provided with a hand grip assembly which comprises an air cylinder, a line rail plate (403), a clamping jaw air cylinder plate (404) arranged at the lower end of the line rail plate (403) and a hand grip (405) arranged at the lower end of the clamping jaw air cylinder plate (404).
10. The automatic detection instrument for the rod span length of the rack of the automobile steering gear according to claim 1, characterized in that a protective cover is arranged at the upper part of the base (100); the detection instrument is provided with an electrical control system and an SPC analysis system (700).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121195215.5U CN216668669U (en) | 2021-05-31 | 2021-05-31 | Automatic detection instrument for cross-rod distance size of rack of automobile steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121195215.5U CN216668669U (en) | 2021-05-31 | 2021-05-31 | Automatic detection instrument for cross-rod distance size of rack of automobile steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216668669U true CN216668669U (en) | 2022-06-03 |
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ID=81759454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121195215.5U Active CN216668669U (en) | 2021-05-31 | 2021-05-31 | Automatic detection instrument for cross-rod distance size of rack of automobile steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216668669U (en) |
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2021
- 2021-05-31 CN CN202121195215.5U patent/CN216668669U/en active Active
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