CN114260703A - Transmission box assembling method - Google Patents
Transmission box assembling method Download PDFInfo
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- CN114260703A CN114260703A CN202111658166.9A CN202111658166A CN114260703A CN 114260703 A CN114260703 A CN 114260703A CN 202111658166 A CN202111658166 A CN 202111658166A CN 114260703 A CN114260703 A CN 114260703A
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- Prior art keywords
- gasket
- shaft
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- main shell
- variable
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003292 glue Substances 0.000 claims abstract description 49
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 43
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The invention relates to a transmission box assembling method, which sequentially executes the following steps of loading a main shell assembly and a variable shell assembly: the main shell assembly comprises a main shell, a three-shaft, a differential conical bearing, two shafts and a first shaft; the variable shell assembly comprises a variable shell and a C4 clutch; measuring and calculating axial gaps of a first shaft, a second shaft and a third shaft, and determining the thickness of a corresponding gasket; selecting a gasket according to the thickness of the gasket; installing a gasket; after the gasket is installed, cleaning the mould assembling surfaces of the main shell and the variable shell respectively; then coating glue on the mould assembling surface of the main shell, carrying out photographic detection on a glue line, and if the detection is qualified, assembling the main shell assembly and the variable shell assembly into a mould; and if the detection is unqualified, manually gluing and then assembling the main shell assembly and the variable shell assembly. Through the reasonable part assembly of setting up main casing assembly and becoming the shell assembly, cooperation automatic measurement and gasket are selected, are installed, can realize the high-efficient assembly of derailleur, are applicable to the derailleur production of big batch, high yield quality.
Description
Technical Field
The invention relates to a transmission mould assembling method.
Background
The box body of the transmission consists of a main shell and a torque converter shell, the traditional transmission assembly is to assemble a main shell assembly and a torque converter shell assembly respectively, and then assemble the main shell assembly and the torque converter shell assembly; when the main shell assembly and the variable shell assembly are separately assembled, assembly errors can cause the existence of a mould assembling gap and the existence is variable, in order to ensure the mould assembling quality, the mould assembling gap needs to be controlled, and the traditional mould assembling operation is manual operation so as to ensure the mould assembling quality; but the manual mould assembling efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing a transmission box assembling method to overcome the technical problem of low transmission box assembling efficiency in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: the transmission box assembling method sequentially comprises the following steps
The main shell assembly and the variable shell assembly are on line:
the main shell assembly comprises a main shell, a three-shaft, a differential conical bearing, two shafts and a first shaft;
the variable shell assembly comprises a variable shell and a C4 clutch;
measuring and calculating axial gaps of the first shaft, the second shaft and the third shaft, and determining the thickness of the corresponding gasket:
respectively measuring C, E, H the distances from the box closing surface of the measuring shell to the gasket mounting surfaces of the first shaft, the second shaft and the third shaft, and respectively measuring B, F, J the distances from the box closing surface of the main shell to the gasket mounting surfaces of the first shaft, the second shaft and the third shaft;
calculating the axial clearance of the three shafts according to the measurement B, C, E, F, H, J value;
determining the thickness of the gasket according to the calculated axial gap and by combining an empirical preset variable;
selecting a gasket according to the thickness of the gasket;
installing a gasket;
after the gasket is installed, cleaning the mould assembling surfaces of the main shell and the variable shell respectively; then coating glue on the mould assembling surface of the main shell, and detecting the glue line by photography,
if the detection is qualified, combining the main shell assembly and the variable shell assembly;
and if the detection is unqualified, manually gluing and then assembling the main shell assembly and the variable shell assembly.
Preferably, the step of mounting the spacer includes
Mounting a shaft gasket on a gasket supporting end face of a shaft, and sleeving the shaft gasket outside the shaft; after detecting that the gasket is installed in position, removing the C4 clutch from the variable shell assembly and installing the clutch on a shaft;
pressing the biaxial gasket into a biaxial hole of the variable shell;
and placing the triaxial gasket into an outer ring hole of the conical bearing of the variable shell, taking the outer ring of the conical bearing of the differential from the differential of the main shell assembly, and pressing the outer ring into the outer ring hole of the conical bearing of the variable shell.
As a preferred technical scheme, in the step of selecting the gasket according to the calculated thickness of the gasket, a shaft gasket is combined to the required thickness from two gaskets; in the step of mounting the shim, two shims of a shaft shim are superposed and a thin shim is attached to a shim supporting end face of a shaft.
According to the preferable technical scheme, in the step of cleaning the box assembling surfaces of the main shell and the variable shell, the box assembling surfaces are cleaned by using a plasma cleaning machine according to a preset cleaning track.
As a preferred technical scheme, the step of coating the mould assembling surface of the main shell comprises
Before gluing, the time for transferring the gluing procedure to the mould assembling station is judged,
if the curing time is longer than the glue curing time, the mould assembling surface of the main shell is not coated with glue;
and if the curing time of the glue is shorter than the glue curing time, coating the glue on the mould assembling surface of the main shell.
As a preferable technical proposal, in the step of coating the mould assembling surface of the main shell with glue,
before gluing, controlling a gluing head to pre-extrude glue, and extruding a part of solidified glue solution remained in the gluing head;
when gluing, gluing according to a gluing track;
after the gluing is completed, the gluing head is soaked in silica gel oil.
As a preferred technical scheme, the step of detecting the rubber thread by photography comprises
The gluing track is subjected to photographic detection,
if the detection is qualified, conveying the main shell assembly and the shell changing assembly to a box assembling station, and assembling the box;
and if the detection does not meet the requirements, the main shell assembly and the shell changing assembly are conveyed to a box assembling station after manual glue supplement, and then box assembling is carried out.
As a preferred technical scheme, in the step of measuring the axial gap and determining the thickness of the gasket, a plurality of measurement data are obtained through measurement, and an average value is taken.
As a preferred technical scheme, the step of selecting the gasket according to the thickness of the gasket comprises the following steps
Controlling a gasket indicator lamp of a corresponding specification on the gasket suspension panel to be lightened according to the calculated thickness of the gasket, and highlighting;
and manually selecting the first-axis gasket, the second-axis gasket and the third-axis gasket according to the prompt of the indicator lamp, rechecking, and if the rechecking is unqualified, reselecting until the rechecking is qualified.
The transmission box assembling method can realize high-efficiency assembly of the transmission by reasonably arranging the parts of the main shell assembly and the variable shell assembly and matching with automatic measurement and gasket selection and installation, and is suitable for the production of large-batch and high-quality transmissions. The measurement precision of the axial clearance between the main shell and the variable shell is high, the gasket selection result is accurate, and the gasket assembly process is accurate and error-free; the whole box closing assembly has short beat and high efficiency.
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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a transmission case;
FIG. 2 is a schematic view of data measurement of a main housing;
FIG. 3 is a schematic view of data measurement of metamorphic shells.
Detailed Description
The transmission box assembling method sequentially executes the following steps
The method comprises the following steps: the main shell assembly and the shell changing assembly are put on the line together with the tray and are conveyed on the conveying line along with the tray;
as shown in fig. 1 and 2, the main housing assembly includes a main housing 4, and a three-shaft 3, a differential 33, a differential cone bearing 32, a two-shaft 2, a one-shaft 1, a gear set for transmitting power between the one-shaft 1 and the two-shaft 2, and the like are assembled in the main housing 4;
the transformer shell assembly comprises a transformer shell 5 and a C4 clutch 6, wherein the C4 clutch 6 is arranged on a C4 outer hub supporting shaft of the transformer shell 5.
Step two: measuring and determining the thickness of the gasket;
after the main shell assembly and the shell changing assembly reach a measuring station along with the tray, measuring equipment automatically measures C, E, H the distance from the box closing surface of the shell 5 to the gasket mounting surfaces of the first shaft 1, the second shaft 2 and the third shaft 3, and measures B, F, J the distance from the box closing surface of the main shell 4 to the gasket mounting surfaces of the first shaft 1, the second shaft 2 and the third shaft 3; namely, it is
As shown in the schematic view of figure 3,
c4 distance C between the end of the supporting axle of external hub and the box closing surface of the transformer shell 5,
the distance E between the gasket mounting surface of the biaxial shaft 2 and the box closing surface of the variable shell 5;
distance H between gasket mounting surface of the triaxial 3 and box closing surface of the transformer shell 5.
As shown in the schematic view of figure 2,
the distance B from the box closing surface of the main shell 4 to the gasket supporting end surface of the shaft 1;
the distance F from the box closing surface of the main shell 4 to the end surface of the thrust bearing of the secondary shaft 2;
and the distance J between the box closing surface of the main shell 4 and the outer ring end surface of the differential cone bearing 32 of the three shafts 3.
Two measuring devices are arranged on the conveying line body in parallel, and the measuring shell 5 and the main shell 4 are measured simultaneously. During measurement, in order to ensure the accuracy of measurement data, the measurement can be carried out for multiple times or can be completed by a plurality of probes at one time, and the average value of a plurality of measurement data is taken.
After the measurement is finished, determining the thickness of the gasket; comprises that
The axial clearance of the three shafts being automatically calculated by a predetermined formula, i.e.
The axial clearance of the shaft = B-C,
the axial gap of the two axes = E-F,
the axial gap of the three axes = H-J,
presetting variable by using axial clearance obtained by calculation and combining experience
、
、
The thickness of the gasket is determined,
axial gasket thickness = B-C-
；
Biaxial gasket thickness = E-F-
；
Thickness of triaxial gasket = H-J +
；
For example, when empirical variables are used
、
、
When the ratio is 0.195, 0.05 and 0.075 respectively,
a shaft shim thickness = B-C-0.195,
biaxial shim thickness = E-F-0.05,
triaxial shim thickness = H-J + 0.075.
Step three: selecting a gasket according to the calculated thickness of the gasket;
according to the calculated thickness of the gasket, controlling a gasket indicator lamp with a corresponding specification on the gasket suspension panel to be lightened and highlighted; the gasket suspension panel adopts an HMI panel, gaskets of different models are suspended on the gasket suspension panel, an indicator lamp is correspondingly arranged on each model of gasket, the system can control the indicator lamp of the selected gasket to be lightened, and the indicator lamp of the gasket which is not selected is not lightened.
According to the prompt of the indicator light, the first-axis gasket 11, the second-axis gasket 21 and the third-axis gasket 31 are manually selected.
The one-shaft gasket 11 is formed by combining two gaskets, and the required thickness is formed by combining gaskets of different types, so that the types of the gaskets can be reduced.
The biaxial shim 21 and the triaxial shim 31 each employ a single shim.
And placing the selected adjusting shim on a rechecking device for rechecking, and if the rechecking is unqualified, reselecting the phase until the rechecking is completely qualified.
Step four: installing a gasket;
a shaft gasket 11 is arranged on the gasket supporting end surface of a shaft 1 and sleeved outside the shaft 1; two gaskets included in a shaft gasket 11 are superposed and thinly attached to the gasket supporting end surface of a shaft 1; after the detection confirms that the gasket is installed at the position, the C4 clutch 6 is detached from the transformer shell 5 and is installed on the gear of the shaft 1, and when the C4 clutch assembly is installed, a protective sleeve is installed on the outer side of the shaft 1 in order to avoid the shaft 1 from being scratched.
And placing the qualified triaxial gasket 31 into an outer ring hole of the conical bearing of the variable shell 5, taking the outer ring of the conical bearing 32 off the differential 33 of the main shell assembly, and pressing the outer ring into the outer ring hole of the conical bearing of the variable shell 5.
And pressing the qualified biaxial gasket 21 into the biaxial hole of the variable shell 5. In consideration of the production rhythm and the assembly sequence, the biaxial gasket 21 can be placed on the tray of the shell changing assembly, and the press fitting of the biaxial gasket 21 can be extended to the next station.
Step five: cleaning the mould assembling surfaces of the main shell 4 and the variable shell 5;
cleaning the joint surface of the box body by using a plasma cleaning machine according to a preset cleaning track; wherein, the cleaning track is made according to the track of the part of the shell needing to be coated with glue, namely
When the gluing robot is debugged, a certain number of gluing points are set for the gluing heads, the gluing points are connected through straight lines or circular arcs, a gluing track is formed, and the cleaning track is consistent with the gluing track.
When the cleaning robot carries the cleaning nozzle of the plasma cleaning machine to complete closed loop according to the cleaning track, the cleaning is completed, and the robot returns to the original position to wait for the next cycle operation.
Step six: gluing the box closing surface of the main shell 4;
in order to prevent the glue from being exposed in the air for a long time and being solidified and failed after the glue is coated, the time for the glue coating process to flow to a mould assembling station is judged before the glue coating, if the time is longer than the glue solidifying time, the conveying line body stops conveying, the glue coating unit stops working, and the condition that the glue is solidified and failed is effectively avoided; and if the curing time of the glue is shorter than the glue curing time, performing gluing operation.
Before gluing, controlling the gluing head to pre-extrude glue, and extruding the residual partially cured glue solution in the gluing head to avoid influencing the gluing and box assembling quality;
when gluing, gluing according to a gluing track;
after the gluing is finished, the residual glue on the outer wall of the gluing head is cleaned and then soaked in the silica gel oil.
Step seven: carrying out rubber line photographic detection;
and (4) carrying out photographic detection on the gluing track of the main shell, automatically releasing the tray after the detection is qualified, and manually supplementing glue if the photographic detection of the glue line does not meet the requirement.
Taking a picture by a camera, comparing the taken picture of the glue coating with the picture of the standard sample piece,
if the photo track of the glue coating photo is the same as that of the standard sample piece, the glue is not broken and is not coated, and the glue coating is judged to be qualified and released;
if the glue is different, the glue is broken and the coating is missed, the judgment is unqualified, an operator is informed to carry out manual glue supplement, and the glue is released after the glue supplement is finished;
the standard sample piece is pre-manufactured, namely, the standard sample piece with qualified glue is photographed, and the photographed photo is stored in a standard library of the equipment.
Step eight: combining the main shell assembly and the variable shell assembly;
and (5) combining the main shell 4 and the variable shell 5 to complete the assembly of the transmission.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The transmission box assembling method is characterized in that: the following steps are sequentially executed
The main shell assembly and the variable shell assembly are on line:
the main shell assembly comprises a main shell (4), a three-shaft (3), a differential (33), a differential conical bearing (32), two shafts (2) and a shaft (1);
the variable shell assembly comprises a variable shell (5) and a C4 clutch (6);
measuring and calculating the axial clearance of the first shaft (1), the second shaft (2) and the third shaft (3), and determining the thickness of the corresponding gasket:
respectively measuring the distances C, E, H from the box closing surface of the variable shell (5) to the gasket mounting surfaces of the first shaft (1), the second shaft (2) and the third shaft (3), and respectively measuring the distances B, F, J from the box closing surface of the main shell (4) to the gasket mounting surfaces of the first shaft (1), the second shaft (2) and the third shaft (3);
calculating the axial clearance of the three shafts according to the measurement B, C, E, F, H, J value;
determining the thickness of the gasket according to the calculated axial gap and by combining an empirical preset variable;
selecting a gasket according to the thickness of the gasket;
installing a gasket;
after the gasket is installed, the box closing surfaces of the main shell (4) and the variable shell (5) are cleaned respectively; then coating glue on the mould assembling surface of the main shell (4), and detecting the glue line by photography,
if the detection is qualified, combining the main shell assembly and the variable shell assembly;
and if the detection is unqualified, manually gluing and then assembling the main shell assembly and the variable shell assembly.
2. The transmission case assembling method as claimed in claim 1, wherein: the step of mounting the gasket comprises
A shaft gasket (11) is arranged on the gasket supporting end surface of a shaft (1) and sleeved outside the shaft (1); after detecting that the gasket is installed in position, removing the C4 clutch (6) from the variable shell assembly and installing the clutch on a shaft (1);
pressing a biaxial gasket (21) into a biaxial hole of the variable shell (5);
and placing the triaxial gasket (31) into an outer ring hole of the conical bearing of the variable shell (5), taking the outer ring of the conical bearing (32) of the differential from the differential (33) of the main shell assembly, and pressing the outer ring into the outer ring hole of the conical bearing of the variable shell (5).
3. The transmission case assembling method as claimed in claim 1, wherein: in the step of selecting the gasket according to the calculated thickness of the gasket, a shaft gasket (11) is combined to the required thickness from two gaskets; in the step of mounting the shim, two shims of a shaft shim (11) are superposed and a thin shim is attached to the shim supporting end face of the shaft (1).
4. The transmission case assembling method as claimed in claim 1, wherein: in the step of cleaning the box assembling surfaces of the main shell (4) and the variable shell (5), cleaning the box assembling surfaces by using a plasma cleaning machine according to a preset cleaning track.
5. The transmission case assembling method as claimed in claim 1, wherein: the step of coating the mould assembling surface of the main shell (5) comprises
Before gluing, the time for transferring the gluing procedure to the mould assembling station is judged,
if the curing time is longer than the glue curing time, the mould closing surface of the main shell (5) is not coated with glue;
and if the curing time of the glue is shorter than the glue curing time, coating the glue on the mould assembling surface of the main shell (5).
6. The transmission case assembling method as claimed in claim 5, wherein: in the step of coating glue on the mould assembling surface of the main shell (5),
before gluing, controlling a gluing head to pre-extrude glue, and extruding a part of solidified glue solution remained in the gluing head;
when gluing, gluing according to a gluing track;
after the gluing is completed, the gluing head is soaked in silica gel oil.
7. The transmission case assembling method as claimed in claim 1, wherein: the step of inspecting the rubber thread by photography comprises
The gluing track is subjected to photographic detection,
if the detection is qualified, conveying the main shell assembly and the shell changing assembly to a box assembling station, and assembling the box;
and if the detection does not meet the requirements, the main shell assembly and the shell changing assembly are conveyed to a box assembling station after manual glue supplement, and then box assembling is carried out.
8. The transmission case assembling method as claimed in claim 1, wherein: and measuring the axial clearance, and in the step of determining the thickness of the gasket, measuring to obtain a plurality of measurement data and taking an average value.
9. The transmission case assembling method as claimed in claim 1, wherein: the step of selecting the spacer according to the thickness of the spacer includes
Controlling a gasket indicator lamp of a corresponding specification on the gasket suspension panel to be lightened according to the calculated thickness of the gasket, and highlighting;
according to the prompt of the indicator light, the first-axis gasket (11), the second-axis gasket (21) and the third-axis gasket (31) are manually selected and rechecked, and if the rechecking is unqualified, the second-axis gasket is reselected until the rechecking is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658166.9A CN114260703A (en) | 2021-12-31 | 2021-12-31 | Transmission box assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658166.9A CN114260703A (en) | 2021-12-31 | 2021-12-31 | Transmission box assembling method |
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| Publication Number | Publication Date |
|---|---|
| CN114260703A true CN114260703A (en) | 2022-04-01 |
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ID=80832117
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|---|---|---|---|
| CN202111658166.9A Pending CN114260703A (en) | 2021-12-31 | 2021-12-31 | Transmission box assembling method |
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| SU1255353A1 (en) * | 1984-11-01 | 1986-09-07 | Павлодарский Проектно-Конструкторский Технологический Институт Автоматизации И Механизации | Method and device for assembling reduction gear boxes |
| CN205111261U (en) * | 2015-10-29 | 2016-03-30 | 宁波吉利罗佑发动机零部件有限公司 | Line is filled up in selection of derailleur bearing |
| CN108568667A (en) * | 2017-12-04 | 2018-09-25 | 湖南吉盛国际动力传动系统有限公司 | A kind of automatic transmission general assembly and test method |
| CN110887428A (en) * | 2019-11-22 | 2020-03-17 | 柳州上汽汽车变速器有限公司 | Matching method for input shaft gasket of automobile transmission |
| CN111975346A (en) * | 2020-07-24 | 2020-11-24 | 中船重工鹏力（南京）智能装备系统有限公司 | Gearbox assembling method and assembling system |
-
2021
- 2021-12-31 CN CN202111658166.9A patent/CN114260703A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1255353A1 (en) * | 1984-11-01 | 1986-09-07 | Павлодарский Проектно-Конструкторский Технологический Институт Автоматизации И Механизации | Method and device for assembling reduction gear boxes |
| CN205111261U (en) * | 2015-10-29 | 2016-03-30 | 宁波吉利罗佑发动机零部件有限公司 | Line is filled up in selection of derailleur bearing |
| CN108568667A (en) * | 2017-12-04 | 2018-09-25 | 湖南吉盛国际动力传动系统有限公司 | A kind of automatic transmission general assembly and test method |
| CN110887428A (en) * | 2019-11-22 | 2020-03-17 | 柳州上汽汽车变速器有限公司 | Matching method for input shaft gasket of automobile transmission |
| CN111975346A (en) * | 2020-07-24 | 2020-11-24 | 中船重工鹏力（南京）智能装备系统有限公司 | Gearbox assembling method and assembling system |
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| Title |
|---|
| 何君: "《汽车底盘构造与维修》", 31 May 2010 * |
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Application publication date: 20220401 |