CN215952402U

CN215952402U - Automobile synchronizer ring gear detection device

Info

Publication number: CN215952402U
Application number: CN202121085600.4U
Authority: CN
Inventors: 刘忠云; 蒋和江; 王国辉
Original assignee: Zhejiang Xunda Industrial Technology Co ltd
Current assignee: Zhejiang Xunda Industrial Technology Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-03-04
Anticipated expiration: 2031-05-20

Abstract

The utility model relates to the technical field of synchronizer gear ring processing devices, in particular to an automobile synchronizer gear ring detection device which comprises a workbench, wherein a circular groove is concavely arranged in the middle of the workbench, and arc-shaped platforms which can vertically move and are used for placing gear rings are symmetrically arranged in the groove. According to the utility model, after the gear ring is placed in the detection device, the positioning table with the radian identical to that of the inner arc surface of the gear ring is used for longitudinally abutting and positioning the gear ring, after detection, the arc-shaped table can be lifted up by using the elastic force of the first reset spring below the arc-shaped table, the gear ring is lifted out to be convenient to take out, meanwhile, the abutting table on the circular table is extended into the gear ring, and the elastic force of the second reset spring between the circular table and the abutting table is used for firmly abutting the abutting table on the inner wall of the gear ring, so that reading errors caused by the fact that the gear ring is driven to move by centrifugal force generated when the circular table rotates are avoided.

Description

Automobile synchronizer ring gear detection device

Technical Field

The utility model relates to the technical field of synchronizer gear ring processing devices, in particular to an automobile synchronizer gear ring detection device.

Background

The synchronizer has the advantages that before the straight teeth are contacted with the vertical teeth of the disc, friction is carried out in advance to transmit the energy of the party with the larger rotating speed to the party with the smaller rotating speed, so that the party with the smaller rotating speed can increase the rotating speed to achieve the purpose of synchronizing with the party with the larger rotating speed, normal gear shifting can be guaranteed, the buffer effect can be achieved, the synchronizer toothed ring is used as an important component in the synchronizer, and the quality of the synchronizer directly influences the performance of the synchronizer.

Usually, after a synchronizer gear ring is processed, the cambered surface of the synchronizer gear ring needs to be detected, the existing detection body has two aspects, the inner diameter of the gear ring is detected for the first time, a round platform which can abut against the inner cambered surface of the gear ring is utilized to abut against the gear ring, whether the processed gear ring reaches the preset inner diameter of the gear ring is judged by observing whether the round platform penetrates through the gear ring, the existing detection device needs to put the gear ring into a preset groove on the detection device during detection, the gear ring is difficult to take out after detection due to the fact that the thickness of the gear ring is thin, the detection efficiency is low, the second detection aspect utilizes a plug gauge to abut against the cambered surface to detect whether the radian of the cambered surface is in a preset normal value, and therefore the quality of the gear ring is preliminarily judged, but the existing detection device needs to rotate the gear ring during use, and only places the gear ring in a rotatable mechanism during actual use, the fixing method for the toothed ring is only limited to the weight of the toothed ring, and the toothed ring can slightly deviate under the action of centrifugal force in the rotating process, so that a certain error occurs in a detection result, and the final reading of the quality detection of the toothed ring can be influenced finally.

In connection with the problems set forth above, the reasons are summarized as follows:

1. after the inner arc surface of the synchronizer gear ring is detected, the gear ring with a thin thickness is difficult to take out of the detection device, so that the detection efficiency is low.

2. In the testing process, need carry out the ring gear fixed while and drive it and rotate, and current fixed mode is comparatively single, and the ring gear has the skew of a little width under the effect of centrifugal force easily, lacks certain horizontal fixed knot and constructs the fixed dynamics that improves the ring gear.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects in the prior art, the utility model provides the automobile synchronizer gear ring detection device which can effectively solve the problem that the fixing strength of the prior art to the gear ring is not enough when the quality of the gear ring is detected.

Technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a device for detecting a gear ring of an automobile synchronizer, which comprises a workbench, wherein a circular groove is concavely arranged in the middle of the workbench, an arc-shaped table which can vertically move and is used for placing a gear ring is symmetrically arranged in the groove, an elastic piece is arranged at the bottom end of the arc-shaped table, a rotatable round table is arranged right below the groove, the circular truncated cone can fix the gear ring and push the gear ring to lift, and the circular truncated cone is composed of a column base which is matched with the size of the inner cavity of the gear ring and a collision block which can elastically stretch in the column base, the bottom of the inner side of the groove is provided with a limit table which enables the collision block to retract when the column table descends, a positioning table which can vertically move and is matched with the inner arc surface of the gear ring and used for tightly abutting against the gear ring is arranged right above the working table, the upper end surface of the workbench is provided with a plug gauge for measuring the outer arc surface of the gear ring at the vertical side of the groove, and the tail part of the plug gauge is connected with a telescopic mechanism.

Furthermore, the inner wall of the groove is provided with a sliding groove matched with the sliding rail arranged on the back of the arc-shaped table, the elastic part is arranged at the bottom of the sliding groove, and the top of the elastic part is abutted against the bottom of the arc-shaped table.

Furthermore, the elastic part comprises a sliding cylinder arranged at the bottom of the sliding groove, a first return spring is arranged inside the sliding cylinder, and meanwhile, the top end face of the first return spring is abutted to a sliding rod which is arranged at the bottom end of the arc-shaped table and can slide in the sliding cylinder.

Furthermore, the pillar stand and the groove are concentrically and coaxially arranged, and the bottom end of the pillar stand is connected with a first cylinder which is used for pushing the pillar stand to lift and can enable the pillar stand to rotate.

Furthermore, a cavity is symmetrically formed in two sides of the column base, the abutting block is arranged in the cavity, and a second return spring is arranged between the cavity and the abutting block.

Furthermore, the contact blocks are arranged into two groups which are symmetrically distributed, and the radian of the upper cambered surface and the lower cambered surface of each contact block is the same.

Furthermore, the limiting tables are symmetrically distributed at the bottom of the inner side of the groove, the opposite surfaces of the two limiting tables are provided with a semicircular cambered surface, the semicircular cambered surfaces are matched with the radian of the upper cambered surface and the lower cambered surface of the abutting block, and the distance between the two limiting tables is larger than the diameter of the column base.

Furthermore, a truss is arranged on the upper end face of the workbench in parallel, a second cylinder is arranged on the truss, and the positioning table is driven by the second cylinder to stretch and retract.

Furthermore, telescopic machanism includes the pneumatic push rod of screw fastening installation on the workstation up end, and this pneumatic push rod's output is connected with one side of plug gauge.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, after the gear ring is placed in the detection device, the positioning table with the radian identical to that of the inner arc surface of the gear ring is used for longitudinally abutting and positioning the gear ring, the size of the inner arc surface of the gear ring is detected, the arc-shaped table bearing the gear ring is pressed down while abutting, after detection, the arc-shaped table can be lifted up by using the elastic force of the first reset spring below the arc-shaped table, the gear ring is lifted out to be convenient to take out, meanwhile, the abutting table on the circular table extends into the gear ring, and the abutting table is firmly abutted against the inner wall of the gear ring by using the elastic force of the second reset spring between the circular table and the abutting table, so that the reading error caused by the fact that the gear ring is driven to move by the centrifugal force generated when the circular table rotates is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic view of the entire structure of the present invention;

FIG. 2 is a schematic bird's eye view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional front view of the structure in a tight contact state according to the present invention;

FIG. 4 is a schematic diagram of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the structural detection state of the present invention;

FIG. 6 is a schematic diagram of the structure of FIG. 5 at B in accordance with the present invention;

FIG. 7 is a schematic front sectional view of a structural inspection state of the present invention;

FIG. 8 is a schematic partial cross-sectional view of the structure of the present invention;

FIG. 9 is a partial cross-sectional view of the structure in a tightened state according to the present invention;

FIG. 10 is a partial cross-sectional view of the structure inspection state of the present invention.

The reference numerals in the drawings denote: 1-a workbench; 101-a groove; 1011-arc table; 1012-chute; 1013-a slide drum; 1014-a first return spring; 1015-push rod; 102-plug gauge; 103-truss; 1031-second cylinder; 104-a pneumatic push rod; 2-a toothed ring; 3, a circular truncated cone; 301-a pylon; 3011-a first cylinder; 3012-a cavity; 3013-a second return spring; 302-a contact block; 303-a limit table; 4-positioning table.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example (b): a synchronizer gear ring detection device for an automobile comprises a working table 1, wherein a circular groove 101 is concavely arranged in the middle of the working table 1, the size of the circular groove 101 in the embodiment can be adjusted according to the size of a gear ring 2 to be actually processed, an arc-shaped table 1011 which can be vertically moved and is used for placing the gear ring 2 is symmetrically arranged in the groove 101, the radian and the setting depth of the arc-shaped table 1011 used in the embodiment can be adjusted correspondingly according to the thickness of the gear ring 2 to be actually processed and the diameter of a middle cavity, an elastic part is arranged at the bottom end of the arc-shaped table 1011, a rotatable circular table 3 is arranged under the groove 101, the circular table 3 can fix the gear ring 2 and push the gear ring to lift, the circular table 3 comprises a column base 301 which is matched with the size of the inner cavity of the gear ring 2 and a contact block 302 which can elastically stretch out and draw back in the column base 301, a limit table 303 which can enable the contact block 302 to retract when the column base 301 descends is arranged at the inner bottom of the groove 101, but be equipped with one vertical movement directly over workstation 1 and be used for supporting the location platform 4 of tight ring gear 2 with 2 intrados looks adaptations of ring gear, in the in-service use process, also can install corresponding plug gauge on location platform 1 and measure, improve its measurement accuracy, the up end of workstation 1 is located the perpendicular side of recess 101 and is equipped with a plug gauge 102 that is used for measuring 2 extrados of ring gear, and the end connection of this plug gauge 102 has a telescopic machanism.

Referring to fig. 3 and 4, the inner wall of the groove 101 is provided with a sliding groove 1012 which is matched with a sliding rail mounted on the back of the arc-shaped table 1011, and the elastic member is mounted at the bottom of the sliding groove 1012, in practical use, it is required to ensure that the top of the elastic member is abutted against the bottom of the arc-shaped table 1011, so that when the bearing toothed ring 2 of the arc-shaped table 1011 descends, the elastic member generates upward resistance in one direction, and meanwhile, the distance between the arc-shaped tables 1011 in this example is greater than 0.5mm of the overall diameter of the circular table 3.

Referring to the figure, the elastic element includes a sliding cylinder 1013 installed at the bottom of the sliding chute 1012, and a first return spring 1014 is installed inside the sliding cylinder 1013, and at the same time, the top end surface of the first return spring 1014 is abutted to a sliding rod 1015 installed at the bottom end of the arc-shaped table 1011 and capable of sliding inside the sliding cylinder 1013, in combination with the practical use environment and the processing cost, other structures capable of generating elastic force at the bottom of the arc-shaped table 1011 can be used instead, in the embodiment, the structure of the first return spring 1014 is installed inside the sliding cylinder 1013, so that the stability of the arc-shaped table 1011 during lifting is improved to a certain extent, and the situation of insufficient elastic force due to the spring distortion exists in the manner of directly cushioning the spring.

Referring to the figure, the pillar 301 and the groove 101 are concentrically and coaxially arranged, and the bottom end of the pillar 301 is connected with a first cylinder 3011 for pushing the pillar 301 to ascend and descend and enabling the pillar 301 to rotate, in this example, the first cylinder 3011 is a composite cylinder, and is composed of a pushing cylinder capable of ascending and descending up and down and a rotating cylinder for adjusting an angle, and in an actual use environment, the combination of the pushing cylinder and a motor can be replaced according to the size of a required rotating stroke, so that the purpose of enabling the circular truncated cone 3 to ascend and enabling the circular truncated cone 3 to rotate is achieved.

Referring to fig. 8, a cavity 3012 is symmetrically formed on both sides of the post 301, the contact block 302 is set in the cavity 3012, and a second return spring 3013 is installed between the cavity 3012 and the contact block 302, the second return spring 3013 in this example can also be replaced by other elastic elements, such as elastic rubber, etc., meanwhile, the contact block 302 and the post 301 in this example are circular when the second return spring 3013 is completely compressed, and at the same time, the overall size is about 1cm smaller than the inner diameter of the detected ring gear 2, and when entering the ring gear 2, the contact block 302 is ejected to fix the ring gear 2 in an abutting manner.

Referring to fig. 8, 9 and 10, the contact blocks 302 are provided as two symmetrically distributed groups, and the arcs of the upper and lower arcs of the contact blocks 302 are the same, in this example, the outer end arc of the contact block 302 matches with the inner wall arc of the gear ring 2, and the contact blocks 302 with different outer arcs can be replaced in the actual detection process to improve the best contact fixing effect.

Referring to fig. 8, the limiting tables 303 are symmetrically distributed at the bottom of the inner side of the groove 101, and meanwhile, the opposite surfaces of the two limiting tables 303 are provided with a semicircular arc surface, the semicircular arc surface is matched with the radian of the upper arc surface and the lower arc surface of the abutting blocks 302, the distance between the two limiting tables 303 is larger than the diameter of the column base 301, in this example, the column base 301 is located between the limiting tables 303 when the round base 3 is in a normal state, the abutting blocks 302 at the two sides abut against the limiting tables 303, meanwhile, the limit distance that the arc base 1011 can descend is just above the limiting tables 303, and when the round base 3 rises, the abutting blocks 302 pass through the limiting tables 303 and the arc base 1011, the round base is still in a compression state, and the abutting blocks are ejected to abut against and fix the inner wall of the toothed ring 2 until the inside of the toothed ring 2 with a relatively large tooth diameter.

Referring to the figure, a truss 103 is installed on the upper end face of the working table 1 in parallel, a second cylinder 1031 is installed on the truss 103, and the extension and retraction of the positioning table 4 are driven by the second cylinder 1031, so that the positioning table 4 is pushed to detect the inner arc surface of the gear ring 2 and simultaneously achieve the effect of fixing the gear ring 2 longitudinally when the circular truncated cone 3 enters the inner wall of the gear ring 2.

Referring to fig. 1, the telescoping mechanism includes a pneumatic push rod 104 fastened and installed on the upper end surface of the workbench 1 by screws, and the output end of the pneumatic push rod 104 is connected with one side of the plug gauge 102, so that in practical use, the required detection precision is combined, and other pushing modes can be replaced by the pneumatic push rod, for example, a motor drives a screw rod or a gear rack structure, so as to achieve the purpose of telescoping the plug gauge 102.

For a better understanding of the present embodiment, the working principle and the working steps of the present embodiment will now be explained.

When the device is used, the gear ring 2 is placed on the arc-shaped table 1011 arranged in the groove 101, the gear ring 2 is integrally exposed out of the groove 101 under the action of the first reset spring 1014 arranged at the bottom of the arc-shaped table 1011, the second air cylinder 1031 is driven at the moment, the positioning table 4 is enabled to move towards one side of the inner arc surface of the gear ring 2, when the gear ring 2 is abutted, if the gear ring 2 can be driven to press downwards and the arc surface of the positioning table 4 is positioned on the inner arc surface of the gear ring 2, the gear ring 2 is proved to be qualified, when the diameter of the positioning table 4 is smaller than that of the gear ring 2, the gear ring 2 cannot be driven to press downwards or the arc surface of the positioning table 4 is larger than that of the gear ring 2, and the pressing downwards is completely abutted, the inner arc surface of the gear ring 2 is partially processed to be unqualified;

when the outer arc surface of the gear ring 2 is detected, along with the continuous pressing of the gear ring 2, when the gear ring reaches a critical value that the arc-shaped platforms 1011 can be lowered, the first air cylinder 3011 is started, the column platform 301 on the circular platform 3 penetrates between the two arc-shaped platforms 1011 and extends into the inner wall of the gear ring 2, at the moment, the collision block 302 is collided with the inner wall of the gear ring 2 under the elastic force action of the second reset spring 3013 to achieve the fastening effect on the gear ring 2, the second air cylinder 1031 is started again after the fixation to lift the positioning platform 4, the inner arc surface of the gear ring 2 is not fixed any more, at the same time, under the action of the first air cylinder 3011, the outer arc surface of the gear ring 2 on the circular platform 3 is lifted to the plane where the detection end of the plug gauge 102 is located, and the circular platform 3 is controlled to drive the gear ring 2 to rotate, at the moment, the pneumatic push rod 104 on the working platform 1 is started to extend the detection end of the plug gauge 102 to the outer arc surface of the gear ring 2, detect the extrados of ring gear 2, start first cylinder 3011 again after detecting and move round platform 3 downwards, when the lower extreme of conflict piece 302 is contradicted on spacing platform 303, will conflict piece 302 again and contradict and carry on spacingly between the spacing platform 303, simultaneously because the upper portion of ring gear 2 does not have the spacing of location platform 4, under the effect of the first reset spring 1014 that sets up in arc platform 1011 bottom, rebound ring gear 2 again to be convenient for take out ring gear 2.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an automobile synchronizer ring gear detection device, its characterized in that, includes workstation (1), the middle part of workstation (1) is concave to be equipped with a circular recess (101), and this recess (101) interior symmetry is equipped with arc platform (1011) that can vertically remove be used for placing ring gear (2), the bottom of arc platform (1011) is equipped with the elastic component, be equipped with a rotatable round platform (3) under recess (101), and this round platform (3) can be fixed ring gear (2) and promote it and go up and down, round platform (3) comprise a pillar stand (301) with ring gear (2) inside cavity size adaptation and touch pad (302) that can elastically stretch out and draw back in pillar stand (301), recess (101) inboard bottom is equipped with when pillar stand (301) descend and lets touch pad (302) retract spacing platform (303), be equipped with a vertical removal and be used for supporting ring gear (2) tight ring gear (2) with ring gear ring (2) interior cambered surface looks adaptation directly over workstation (1) The positioning table (4), the upper end face of the working table (1) is provided with a plug gauge (102) used for measuring the outer arc surface of the gear ring (2) on the vertical side of the groove (101), and the tail part of the plug gauge (102) is connected with a telescopic mechanism.

2. The automobile synchronizer ring gear detection device according to claim 1, wherein a sliding groove (1012) matched with a sliding rail mounted on the back of the arc-shaped table (1011) is formed in the inner wall of the groove (101), the elastic member is mounted at the bottom of the sliding groove (1012), and the top of the elastic member is abutted against the bottom of the arc-shaped table (1011).

3. The apparatus for detecting the toothed ring of the synchronizer of an automobile as claimed in claim 1, wherein said elastic member comprises a slide cylinder (1013) installed at the bottom of the slide groove (1012), and a first return spring (1014) is installed inside the slide cylinder (1013), and the top end surface of the first return spring (1014) is abutted against a slide rod (1015) installed at the bottom of the arc-shaped table (1011) and slidable in the slide cylinder (1013).

4. The automobile synchronizer ring gear detection device according to claim 1, wherein the pillar base (301) and the groove (101) are concentrically and coaxially arranged, and a first air cylinder (3011) for pushing the pillar base (301) to ascend and descend and enabling the pillar base to rotate is connected to the bottom end of the pillar base (301).

5. The automobile synchronizer ring gear detection device according to claim 1, wherein a cavity (3012) is symmetrically formed on both sides of the column base (301), the contact block (302) is arranged in the cavity (3012), and a second return spring (3013) is arranged between the cavity (3012) and the contact block (302).

6. The device for detecting the automobile synchronizer ring gear according to claim 1, wherein the contact blocks (302) are arranged into two groups which are symmetrically distributed, and the radian of the upper cambered surface and the lower cambered surface of each contact block (302) is the same.

7. The automobile synchronizer ring gear detection device according to claim 1, wherein the limiting platforms (303) are symmetrically distributed at the bottom of the inner side of the groove (101), the opposite surfaces of the two limiting platforms (303) are provided with semicircular arc surfaces, the semicircular arc surfaces are matched with the arcs of the upper arc surface and the lower arc surface of the collision block (302), and the distance between the two limiting platforms (303) is larger than the diameter of the column base (301).

8. The apparatus for detecting the ring gear of the automobile synchronizer according to claim 1, wherein a truss (103) is installed in parallel on the upper end surface of the working table (1), a second air cylinder (1031) is installed on the truss (103), and the extension and contraction of the positioning table (4) are driven by the second air cylinder (1031).

9. The apparatus for detecting the ring gear of the automobile synchronizer according to claim 1, wherein the telescoping mechanism comprises a pneumatic push rod (104) which is screw-tightly mounted on the upper end surface of the worktable (1), and the output end of the pneumatic push rod (104) is connected with one side of the plug gauge (102).