CN210321686U - Automatic detection device for gap of upper layer piece of differential mechanism - Google Patents
Automatic detection device for gap of upper layer piece of differential mechanism Download PDFInfo
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- CN210321686U CN210321686U CN201921748233.4U CN201921748233U CN210321686U CN 210321686 U CN210321686 U CN 210321686U CN 201921748233 U CN201921748233 U CN 201921748233U CN 210321686 U CN210321686 U CN 210321686U
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Abstract
The utility model discloses a differential mechanism upper strata spare clearance automatic checkout device, including the frame the front side of frame sets up the location tray, and the surface of this location tray is equipped with a plurality of locating pins the rear side fixed connection of frame the mounting panel has laid guide rail group on the mounting panel, backplate sliding support is organized and can be slided from top to bottom along guide rail group on this guide rail the top of mounting panel is fixed with the stroke cylinder, the telescopic link of this stroke cylinder with be located its below the backplate top is connected install rotation detection mechanism, clamping mechanism and hold-down mechanism on the backplate respectively, rotation detection mechanism is located directly over the location tray. The remarkable effects are as follows: the automatic level is improved, the labor intensity is reduced, the detection efficiency is effectively improved, the reliability and effectiveness of quality detection are effectively ensured, and the quality level in the production process is improved.
Description
Technical Field
The utility model relates to automobile differential assembly quality detects technical field, concretely relates to differential mechanism upper strata spare clearance automatic checkout device.
Background
The automobile differential mechanism can realize a mechanism that left and right (or front and rear) driving wheels rotate at different rotating speeds. Mainly comprises a left half shaft gear, a right half shaft gear, two planet gears and a gear carrier. The function is that when the automobile turns or runs on an uneven road surface, the left wheel and the right wheel roll at different rotating speeds, namely, the pure rolling motion of the driving wheels at two sides is ensured. The differential is provided for adjusting the difference in the rotational speeds of the left and right wheels. In the production of the differential, if the tooth clearance of the assembly of the axial gear on the upper layer of the differential and the planetary gear is too large, the gear shifting can generate impact noise, the riding comfort of a vehicle is influenced, and the service life of the differential is also influenced.
In order to improve the assembly quality level of the axial gear and the planetary gear on the upper layer of the differential and avoid the influence on product performance caused by poor matching of parts, 100% of gaps between the upper layer of the differential are required to be detected so as to ensure the assembly quality. However, the detection method adopted in the prior art is as follows: after the axial gear and the planetary gear are assembled into the upper shell of the differential gear manually, the torque gap wrench is used for positioning manually, and 100% torque gap detection is carried out. Therefore, manual feeding and discharging are adopted in the detection process, so that the labor intensity is high, the detection precision is not high, the stability is not good, and the reliability of the detection result has a great problem.
Disclosure of Invention
The utility model aims at providing a differential mechanism upper strata spare clearance automatic checkout device, the device passes through the automated inspection mode, can promote automatic level, improves and detects reliability and validity, promotes process quality level.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a differential mechanism upper strata spare clearance automatic checkout device which the key lies in: including frame, location tray, mounting panel and backplate the front side of frame sets up location tray, the surface of this location tray is equipped with a plurality of locating pins the rear side fixed connection of frame the mounting panel has laid guide rail group on the mounting panel, backplate sliding support is organized at this guide rail and can be organized along the guide rail and slide from top to bottom the top of mounting panel is fixed with the stroke cylinder, the telescopic link of this stroke cylinder with be located its below the backplate top is connected install rotation detection mechanism, clamping mechanism and hold-down mechanism on the backplate respectively, rotation detection mechanism is located directly over the location tray, clamping mechanism cooperatees with hold-down mechanism and presss from both sides tightly in order to realize waiting the location of waiting to examine the work piece.
Furthermore, the rotation detection mechanism comprises a servo motor and a spindle head, wherein the servo motor is fixedly arranged on the back plate, a driving wheel is arranged on a rotating shaft of the servo motor, the spindle head is connected with the back plate through a rotating seat, a driven wheel is arranged at the upper end of the spindle head, the driven wheel is in transmission connection with the driving wheel through a belt, and a spindle head spline meshed with an axial gear in a workpiece to be detected is arranged at the lower end of the spindle head.
During detection, firstly, the stroke cylinder back plate drives the whole rotary detection mechanism to descend until the whole rotary detection mechanism reaches a detection position, at the moment, the spindle head extends into a workpiece to be detected and is meshed with an axial gear in the workpiece to be detected, then the spindle head is driven to rotate through belt transmission through the servo motor, and parameters of an upper part of the differential mechanism in the rotating process are detected through a displacement sensor arranged in the spindle head, so that the gap of the upper part of the differential mechanism is calculated, and whether product assembly is qualified is judged.
Furthermore, the rotation detection mechanism further comprises a buffer cylinder, the buffer cylinder is fixedly connected with the back plate, the buffer cylinder is positioned above the spindle head, and an output shaft of the buffer cylinder is connected with the spindle head through a coupler.
Because the control precision of the stroke cylinder is not high, and the load is large, the workpiece is easily damaged in the process of sinking the mechanisms such as the driving back plate and the like, a certain margin is reserved, and after the stroke cylinder drives the rotation detection mechanism to move in place, the buffer cylinder is controlled to drive the main shaft head to move downwards for a certain distance, so that the workpiece to be detected is well protected through coarse and fine two-stage control, and the workpiece to be detected is prevented from being damaged.
Furthermore, an output shaft of the servo motor is also connected with an induction block, and a proximity switch matched with the induction block is also fixed on the back plate.
Through the cooperation of response piece and proximity switch, can count servo motor rotation number of turns, be convenient for control servo motor's operating condition to can be further through setting up reasonable servo motor rotation number of turns, ensure to have driven and wait to examine work piece axial gear and rotated 360, and then effectively reduced the probability of false retrieval, improved the accuracy that detects the structure.
Further, clamping mechanism including set up relatively in the backplate left and right sides and the unanimous clamping components of structure, clamping components is including being fixed in fine setting cylinder and the die clamping cylinder of sliding connection on the backplate, fine setting cylinder sets up down and its telescopic link pass through the connecting rod with die clamping cylinder links to each other, can drive die clamping cylinder through fine setting cylinder and reciprocate, die clamping cylinder sets up inwards and is connected with on its telescopic link and draws the clamp plate, and the free end that should draw the clamp plate contacts through waiting to examine the work piece round pin axle and realizes pressing from both sides tight fixedly.
Through the clamping components that two are set up relatively, two pressure cylinders promote two and draw the clamp plate to press from both sides of differential mechanism round pin axle tightly fixed when detecting, and fine setting cylinder can drive clamping cylinder, draw the clamp plate up-and-down motion, realizes the detection of differential mechanism upper strata piece different position clearance, also promptly when fine setting cylinder drive clamping cylinder, draw the clamp plate to finely tune the back upwards, detect the upper gap of differential mechanism upper strata piece promptly, drive clamping cylinder when fine setting cylinder, draw the clamp plate to finely tune the back downwards, detect the lower clearance of differential mechanism upper strata piece promptly.
Further, hold-down mechanism is including compressing tightly cylinder, connecting block and compact heap, compress tightly cylinder fixed mounting be in on the backplate, compress tightly the cylinder the telescopic link with the one end of connecting block links to each other, the other end of connecting block with the compact heap links to each other, be formed with on the compact heap with wait to examine the compact heap that the work piece upper surface suited. The workpiece Z is fixed upwards through the cooperation of the pressing mechanism and the positioning tray, the workpiece continuous number can be fixed and positioned through the cooperation of the pressing mechanism and the positioning tray, and the phenomenon that the accuracy of a detection result is not high due to displacement impression during detection is effectively avoided.
Furthermore, the upper end part of the positioning pin is of a conical structure, so that the belt detection differential is positioned better, and the detection precision is ensured.
The utility model discloses a show the effect and be: structural design is novel, and control is convenient, has realized carrying out automatic clearance to differential mechanism upper member and has detected, has promoted automatic level, has reduced intensity of labour, has effectively improved detection efficiency to effectively ensure quality testing reliability and validity, promoted production process's quality level.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the rotation detecting mechanism;
fig. 3 is a schematic structural view of the clamping assembly.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in figure 1, the automatic gap detection device for the upper layer part of the differential mechanism comprises a machine base 1, a positioning tray 2, a mounting plate 3 and a back plate 4, wherein the positioning tray 2 is arranged on the front side of the machine base 1, the surface of the positioning tray 2 is provided with a plurality of positioning pins 5, the rear side of the machine base 1 is fixedly connected with the mounting plate 3, a guide rail group 6 is arranged on the mounting plate 3, the back plate 4 is supported on the guide rail group 6 in a sliding way and can slide up and down along the guide rail group 6, a stroke cylinder 7 is fixed at the top of the mounting plate 3, the telescopic rod of the stroke cylinder 7 is connected with the top end of the back plate 4 positioned below the stroke cylinder, a rotation detection mechanism 8, a clamping mechanism 9 and a pressing mechanism 10 are respectively arranged on the back plate 4, the rotary detection mechanism 8 is positioned right above the positioning tray 2, and the clamping mechanism 9 is matched with the pressing mechanism 10 to realize the positioning and clamping of the workpiece S to be detected.
Referring to fig. 2, the rotation detection mechanism 8 includes a servo motor 81 and a spindle head 82, the servo motor 81 is fixedly disposed on the back plate 4, a driving wheel is disposed on a rotating shaft of the servo motor 81, the spindle head 82 is connected with the back plate 4 through a rotating seat 84, a driven wheel is disposed at an upper end of the spindle head 82, the driven wheel is in transmission connection with the driving wheel through a belt 83, and a spindle head spline engaged with an axial gear in a workpiece S to be detected is disposed at a lower end of the spindle head 82.
As can also be seen from fig. 2, the rotation detecting mechanism 8 further includes a buffer cylinder 85, the buffer cylinder 85 is fixedly connected to the back plate 4, the buffer cylinder 85 is located above the spindle head 82, and an output shaft of the buffer cylinder 85 is connected to the spindle head 82 through a coupling 86.
Further, an output shaft of the servo motor 81 is further connected with a sensing block 87, a proximity switch 88 matched with the sensing block 87 is further fixed on the back plate 4, a signal of the proximity switch 88 is uploaded to a control center, and the control center acquires the number of rotation turns of the servo motor 81 according to the signal of the proximity switch 88, so that the working state of the servo motor 81 is controlled.
Referring to fig. 3, the clamping mechanism 9 includes clamping assemblies 9a which are oppositely disposed on the left and right sides of the back plate 4 and have the same structure, the clamping assemblies 9a include a fine adjustment cylinder 901 fixed on the back plate 4 and a clamping cylinder 902 slidably connected to the back plate 4, the fine adjustment cylinder 901 is disposed downward, and an expansion link thereof is connected to the clamping cylinder 902 through a connecting rod 903, the fine adjustment cylinder 901 can drive the clamping cylinder 902 to move up and down, the clamping cylinder 902 is disposed inward, and a pulling and pressing plate 904 is connected to the expansion link thereof, and a free end of the pulling and pressing plate 904 is in contact with an S-axis of a workpiece to be detected to clamp and fix the workpiece.
In this example, the pressing mechanism 10 includes a pressing cylinder 10a, a connecting block 10b and a pressing block 10c, the pressing cylinder 10a is fixedly mounted on the back plate 4, an expansion link of the pressing cylinder 10a is connected with one end of the connecting block 10b, the other end of the connecting block 10b is connected with the pressing block 10c, and a pressing surface adapted to the upper surface of the workpiece S to be detected is formed on the pressing block 10 c.
Preferably, the upper end of the positioning pin 5 is in a conical structure.
During detection, firstly, a workpiece S to be detected, which is provided with an axial gear and a planetary gear, is manually placed on the positioning tray 2 and is positioned through the positioning pin 5, the stroke cylinder 7 drives the back plate 4 to drive the mechanisms to sink, then the pressing cylinder 10a presses the end face of the workpiece S to be detected through the pressing block 10c, then the clamping cylinder 902 automatically pushes the pressing plate 904 to move to press the differential pin shaft, meanwhile, the buffer cylinder 85 drives the spindle head 82 to move downwards for a distance again, at the moment, the spindle head 82 is automatically meshed with an internal spline of the axial gear of the differential through a spindle head spline, finally, the servo motor 81 drives the spindle head 82 to rotate to perform gap detection, if the workpiece is qualified, the workpiece normally rotates, and if the workpiece is unqualified, an alarm is given and the unqua.
In the specific implementation process, the positioning tray 2 can be fixed on the conveying channel and is matched with the material blocking mechanism to realize assembly line type operation, so that the positioning tray is matched with a production line, and the detection efficiency is further improved.
The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. The utility model provides a differential mechanism upper strata spare clearance automatic checkout device which characterized in that: including frame, location tray, mounting panel and backplate the front side of frame sets up location tray, the surface of this location tray is equipped with a plurality of locating pins the rear side fixed connection of frame the mounting panel has laid guide rail group on the mounting panel, backplate sliding support is organized at this guide rail and can be organized along the guide rail and slide from top to bottom the top of mounting panel is fixed with the stroke cylinder, the telescopic link of this stroke cylinder with be located its below the backplate top is connected install rotation detection mechanism, clamping mechanism and hold-down mechanism on the backplate respectively, rotation detection mechanism is located directly over the location tray, clamping mechanism cooperatees with hold-down mechanism and presss from both sides tightly in order to realize waiting the location of waiting to examine the work piece.
2. The apparatus according to claim 1, wherein: the rotation detection mechanism comprises a servo motor and a spindle head, the servo motor is fixedly arranged on the back plate, a driving wheel is arranged on a rotating shaft of the servo motor, the spindle head is connected with the back plate through a rotating seat, a driven wheel is arranged at the upper end of the spindle head, the driven wheel is in transmission connection with the driving wheel through a belt, and a spindle head spline meshed with an axial gear in a workpiece to be detected is arranged at the lower end of the spindle head.
3. The apparatus according to claim 2, wherein: the rotation detection mechanism further comprises a buffer cylinder, the buffer cylinder is fixedly connected with the back plate, the buffer cylinder is located above the spindle head, and an output shaft of the buffer cylinder is connected with the spindle head through a coupler.
4. The apparatus according to claim 2, wherein: the output shaft of the servo motor is also connected with an induction block, and a proximity switch matched with the induction block is further fixed on the back plate.
5. The apparatus according to claim 1, wherein: clamping mechanism including set up relatively in the backplate left and right sides and the unanimous clamping component of structure, clamping component is including being fixed in fine setting cylinder and the die clamping cylinder of sliding connection on the backplate, fine setting cylinder sets up down and its telescopic link pass through the connecting rod with die clamping cylinder links to each other, can drive die clamping cylinder through fine setting cylinder and reciprocate, die clamping cylinder sets up inwards and is connected with on its telescopic link and draws the clamp plate, and the free end that should draw the clamp plate contacts through the round pin axle with waiting to treat the work piece and realizes pressing from both sides tight fixedly.
6. The apparatus according to claim 1, wherein: the pressing mechanism comprises a pressing cylinder, a connecting block and a pressing block, the pressing cylinder is fixedly installed on the back plate, a telescopic rod of the pressing cylinder is connected with one end of the connecting block, the other end of the connecting block is connected with the pressing block, and a pressing surface matched with the upper surface of the workpiece to be detected is formed on the pressing block.
7. The apparatus according to any one of claims 1 to 6, wherein: the upper end part of the positioning pin is of a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748233.4U CN210321686U (en) | 2019-10-18 | 2019-10-18 | Automatic detection device for gap of upper layer piece of differential mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748233.4U CN210321686U (en) | 2019-10-18 | 2019-10-18 | Automatic detection device for gap of upper layer piece of differential mechanism |
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| CN210321686U true CN210321686U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921748233.4U Active CN210321686U (en) | 2019-10-18 | 2019-10-18 | Automatic detection device for gap of upper layer piece of differential mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013804A (en) * | 2020-08-27 | 2020-12-01 | 重庆青山工业有限责任公司 | Device for measuring end gap of differential axle shaft of gearbox |
| CN113340252A (en) * | 2021-05-24 | 2021-09-03 | 纳铁福传动系统(平湖)有限公司 | Dynamic detection equipment for transmission error and clearance of hypoid bevel gear after assembly |
| CN114812910A (en) * | 2022-05-09 | 2022-07-29 | 舜宇光学(中山)有限公司 | Torsion and height detection system |
-
2019
- 2019-10-18 CN CN201921748233.4U patent/CN210321686U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013804A (en) * | 2020-08-27 | 2020-12-01 | 重庆青山工业有限责任公司 | Device for measuring end gap of differential axle shaft of gearbox |
| CN113340252A (en) * | 2021-05-24 | 2021-09-03 | 纳铁福传动系统(平湖)有限公司 | Dynamic detection equipment for transmission error and clearance of hypoid bevel gear after assembly |
| CN114812910A (en) * | 2022-05-09 | 2022-07-29 | 舜宇光学(中山)有限公司 | Torsion and height detection system |
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