CN110919325B - Efficient gear installation method based on ECU control - Google Patents

Efficient gear installation method based on ECU control Download PDF

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Publication number
CN110919325B
CN110919325B CN201910655774.0A CN201910655774A CN110919325B CN 110919325 B CN110919325 B CN 110919325B CN 201910655774 A CN201910655774 A CN 201910655774A CN 110919325 B CN110919325 B CN 110919325B
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China
Prior art keywords
gear
press
motor
end cover
valve body
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CN201910655774.0A
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CN110919325A (en
Inventor
刘铁民
季辉
赵艳明
陈椤飞
刘勇
齐文飞
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DIAS Automotive Electronic Systems Co Ltd
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Shanghai Huizhong Automotive Manufacturing Co Ltd
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Publication of CN110919325A publication Critical patent/CN110919325A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same

Abstract

The invention provides an efficient gear installation method based on ECU control, which comprises the following steps: s1Respectively fixing the motor and the front end cover on a tool; s2Detecting whether the placement of each component is finished, and driving the workpiece to move below the press by the servo electric cylinder; s3The front end cover is clamped by the press, and the motor moves to the position right below the press; s4The valve body fixing device is opened when the gear pair is about to contact through the movement of the press, the valve body freely falls into a groove in the motor, and the press continuously moves downwards to enable the gear on the front end cover and the gear on the motor to be mutually assembled; s5After the gear is installed, the positioning pin on the front end cover freely falls into the corresponding positioning hole of the motor and is pressed in place by the press, and the front end cover and the motor are assembled. The invention can better save labor cost, has high automation degree and high assembly efficiency; effectively avoid gear damage, guarantee product quality.

Description

Efficient gear installation method based on ECU control
Technical Field
The invention relates to the technical field of automobile electronic brake system assembly, in particular to an efficient gear installation method based on ECU control.
Background
With the development of new energy automobiles vigorously advocated by the nation, the holding capacity of the new energy automobiles is gradually increased, core parts of the new energy automobiles are also continuously iterated, various novel automobile electronic products are gradually put into the market, and the new energy automobiles can be used as intelligent brake systems of the new energy automobiles. A new brake form is provided for new energy automobiles, and various new assembly processes are slowly developed aiming at the assembly of the products.
FIG. 1 is a schematic view of a prior art front end cap with a bull gear. Fig. 2 is a schematic view of a prior art pinion-equipped motor.
As shown in fig. 1 and 2, a novel assembly of an intelligent braking system in the prior art includes a pair of gears engaged with each other, one of the gears is installed on a motor and rotates with the motor, and the other gear is installed on a front end cover and is installed in cooperation with the motor. In order to ensure the stable and long-term operation of the brake system, the gear is not damaged on the premise of ensuring the smooth installation of the gear in the gear assembling process.
The abrasion and the matching deviation of the surface of the gear have great influence on the transmission efficiency, and particularly in the gear assembling process, the surface of the gear is easy to collide, so that the transmission is unsmooth, and the service life is shortened. Particularly, when two gears engaged with each other are assembled by an automated apparatus, there are problems that it is difficult to align the gears, it is difficult to smoothly assemble the gears, and damage to the surfaces of the gears is easily caused.
In the traditional gear assembly method, the angle of the two gears needs to be adjusted manually and continuously to ensure the two gears to be matched correctly, so that the gears are installed smoothly. Although the assembling process can achieve the purpose of assembling, the assembling process has many disadvantages, such as long assembling time, labor waste, high assembling cost and easy gear scrap.
In view of the above, those skilled in the art have developed new mounting methods in an attempt to overcome the above-mentioned technical problems.
Disclosure of Invention
The invention aims to overcome the defects of difficult tooth meshing, low efficiency and the like in the gear assembling process in the prior art, and provides an efficient gear mounting method based on ECU control.
The invention solves the technical problems through the following technical scheme:
an efficient gear installation method based on ECU control is characterized by comprising the following steps:
S1respectively fixing the motor and the front end cover on a tool;
S2detecting whether each component is placedAfter the placement is finished, the servo electric cylinder drives the workpiece to move to the lower part of the press;
S3the front end cover is clamped by the press, and the motor moves to the position right below the press;
S4the press moves, when the gear pair is about to contact, the valve body fixing device is opened, the valve body falls freely into a groove in the motor, the press continues to move downwards, the gear on the front end cover and the gear on the motor are assembled with each other, and if the assembly is smooth, the next step S is carried out5(ii) a If the assembly is not successful, starting an ECU controller, controlling the motor to rotate, and assembling again;
S5and after the gear is installed, the positioning pin on the front end cover freely falls into the corresponding positioning hole of the motor and is pressed in place by a press, and the front end cover and the motor are assembled.
According to an embodiment of the invention, said step S1Further comprising: the positions of all workpieces are kept unchanged by means of the positioning pins, the workpieces such as a large spring, a spring seat, a push rod head and the like are placed in the motor, and the valve body assembly is placed in the front end cover.
According to an embodiment of the invention, said step S2The method specifically comprises the following steps:
S21after the sensors are adopted to detect that the placement of all the components is finished, the device is started after the two-dimensional codes are scanned by the code scanner, the pull-down mechanism is started, the spring is compressed, the pre-tightening force of the large spring is overcome, and the servo electric cylinder drives the workpiece to start to move;
S22and the servo electric cylinder drives the workpiece to move to the lower part of the press, so that the front end cover is positioned under the press.
According to an embodiment of the invention, said step S3The method specifically comprises the following steps:
S31the press starts to move downwards, the front end cover and the valve body assembly are clamped from the lower tool, and the direction of the valve body is fixed to be aligned with the valve body groove in the motor, so that the valve body cannot rotate;
S32after the clamping is completed, theThe press drives the front end cover to return to the original position;
S33and the servo electric cylinder drives the lower tool to move continuously, so that the motor moves to the position right below the press.
According to an embodiment of the invention, said step S4The method specifically comprises the following steps:
S41the press starts to move downwards, and the gear on the front end cover gradually approaches the gear on the motor;
S42judging whether the gear on the front end cover and the gear on the motor can be assembled smoothly; if the gear on the front end cover and the gear on the motor can be assembled smoothly, the process goes to step S43(ii) a If the gear on the front end cover and the gear on the motor cannot be assembled smoothly, the method goes to step S44；
S43The press continues to move downwards until the gear is completely loaded;
S44the two gears collide with each other, the pressure is gradually increased, when the pressure is increased to the protective force of the gears, the press drives the front end cover to automatically return to the original point, and the step S is carried out45；
S45And the ECU controller is communicated with the motor connector to control the motor to rotate by an angle, the press is started to press again after the rotation is finished, and the step S is repeated42Until the gear is complete, the press is returned to the origin.
According to one embodiment of the invention, the motor is interconnected with the ECU controller.
According to one embodiment of the invention, the gear on the front end cover is fixed on the press head of the press through a corresponding tool clamp.
Control of gear rotation by ECU: known by the assembly process of gear, when the gear can't get into smoothly, the work will be intervene to the ECU controller, and its realization form is, ECU reservation joint can be with motor plug switch-on, the ECU controller is gone up the electricity after to trigger motor begins rotatoryly, the rotatory angle of motor at every turn is calculated by theory and experimental correction and is got, and the probability that the gear was impressed can be guaranteed to this angle is the biggest, thereby improves the efficiency of assembly.
The positive progress effects of the invention are as follows:
the efficient gear installation method based on the ECU control has the following advantages:
firstly, labor cost is better saved;
secondly, the automation degree is high, and the assembly efficiency is high;
and thirdly, the gear is effectively prevented from being damaged, the product quality is ensured, and the size of the bearing force on the surface of the gear can be monitored in real time through a press in the press fitting process.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings in which like reference numerals denote like features throughout the several views, wherein:
FIG. 1 is a schematic view of a prior art front end cap with a bull gear.
Fig. 2 is a schematic view of a prior art pinion-equipped motor.
Fig. 3 is a schematic structural diagram of a device adopted by the efficient gear installation method based on the ECU control.
Fig. 4 is a simple schematic diagram of the device adopted by the efficient gear installation method based on the ECU control.
[ reference numerals ]
Electrical machine 10
Front end cap 20
Press 30
Gear 21 on front end cover
Gear 11 on motor
ECU controller 40
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.
Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 3 is a schematic structural diagram of a device adopted by the efficient gear installation method based on the ECU control. Fig. 4 is a simple schematic diagram of the device adopted by the efficient gear installation method based on the ECU control.
As shown in fig. 3 and 4, the invention discloses a high-efficiency gear installation method based on ECU control, which comprises the following steps:
step S1And respectively fixing the motor 10 and the front end cover 20 on the tool.
Meanwhile, the positions of all workpieces are kept unchanged by means of the positioning pins, the workpieces such as a large spring, a spring seat, a push rod head and the like are placed in the motor, and the valve body assembly is placed in the front end cover.
Step S2And detecting whether the placement of each component is completed, and driving the workpiece to move below the press 30 by the servo electric cylinder.
Wherein, the step S2The method specifically comprises the following steps:
step S21After the sensors are adopted to detect that the placement of all the components is finished, the device is started after the two-dimensional codes are scanned by the code scanner, the pull-down mechanism is started, the spring is compressed, the pre-tightening force of the large spring is overcome, and the servo electric cylinder drives the workpiece to start to move;
step S22The servo cylinder drives the workpiece to move to the lower part of the press 30,with the front end cover 20 directly beneath the press 30.
Step S3The front end cover 20 is clamped by the press 30, and the motor 10 moves to the position right below the press 30.
Wherein, the step S3The method specifically comprises the following steps:
step S31The press 30 starts to move downwards, the front end cover 20 and the valve body assembly are clamped from the lower tool, and the direction of the valve body is fixed to be aligned with the valve body groove on the motor, so that the valve body cannot rotate;
step S32After the clamping is finished, the press 30 drives the front end cover 20 to return to the original position;
step S33The servo electric cylinder drives the lower tool to move continuously, so that the motor 10 moves to the position right below the press 30.
Step S4The valve body fixing device is opened when the gear pair is about to contact through the movement of the press 30, the valve body freely falls into the groove in the motor, the press continuously moves downwards, the gear 21 on the front end cover 20 and the gear 11 on the motor 10 are mutually assembled, and if the assembly is smooth, the next step S is carried out5(ii) a If the assembly is not performed smoothly, the ECU controller 40 is activated to control the rotation of the motor 10, and the assembly is performed again.
Wherein, the step S4The method specifically comprises the following steps:
step S41The press 30 starts to move downwards, and the gear 21 on the front end cover 20 gradually approaches the gear 11 on the motor 10;
step S42Judging whether the gear 21 on the front end cover 20 and the gear 11 on the motor 10 can be assembled smoothly; if the gear 21 of the front cover 20 and the gear 11 of the motor 10 can be smoothly assembled, the process proceeds to step S43(ii) a If the gear 21 of the front cover 20 and the gear 11 of the motor 10 are not smoothly assembled, the process proceeds to step S44；
Step S43The press 30 continues to move downward until the gears are fully loaded;
step S44The two gears collide with each other, the pressure is gradually increased, and when the pressure is increased to the protective force of the gearsThe press 30 automatically returns to the origin with the front cover 20, and proceeds to step S45；
Step S45The ECU controller 40 is connected with the motor 10, the motor 10 is controlled to rotate for an angle, the press 30 is started to press again after the rotation is finished, and the step S is repeated42Until the gear is completed, the press 30 is returned to the origin.
Step S5After the gear is installed, the positioning pin on the front end cover 20 freely falls into the corresponding positioning hole of the motor 10 and is pressed in place by the press 30, and the front end cover 20 and the motor 10 are assembled.
Preferably, the motor and the ECU controller are interconnected in this embodiment. And the gear on the front end cover is fixed on a pressure head of the press through a corresponding tool clamp.
As can be seen from the above description, the device adopted in the ECU-based efficient gear installation method of the present invention mainly comprises a press 30, a set of ECU controllers 40, an equipment framework and corresponding tooling, wherein a gear 11 is fixed on a motor 10, the motor 10 and the ECU are connected with each other, and a gear 21 on a front end cover 20 is fixed on a pressing head of the press 30 through a corresponding tooling fixture.
The efficient gear installation method based on ECU control is a new process, achieves full-automatic assembly of the gear, does not need manual adjustment in the assembly process, and is completely finished under the control of the motion of a press and an ECU controller. The whole assembly process is simple, and the press-fitting force of the press can be set according to the maximum pressure which can be borne by the gear during press-fitting. When the press-fitting force is reached in the press-fitting process, the press-fitting machine stops press-fitting, and press-fitting is continued after the angle of the gear is adjusted, so that the gear is protected from being damaged.
The efficient gear installation method based on the ECU control can effectively avoid the problems in the prior art, the ECU controller is used for controlling the motor provided with the driving gear, and when the motor cannot smoothly enter the gear assembly process, namely when the teeth are opposite to each other, the press can return back through pressure feedback.
At the moment, the ECU can intervene to start working to supply power to the motor, so that the motor rotates by a proper angle, the tooth assembly is carried out again until the motor rotates to a proper angle, and the driven gear is ensured to be matched with the driving gear from top to bottom under the control of the press.
In summary, the efficient gear installation method based on the ECU control of the present invention has the following advantages:
firstly, labor cost is better saved;
secondly, the automation degree is high, and the assembly efficiency is high;
and thirdly, the gear is effectively prevented from being damaged, the product quality is ensured, and the size of the bearing force on the surface of the gear can be monitored in real time through a press in the press fitting process.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (6)

1. An efficient gear installation method based on ECU control is characterized by comprising the following steps:
S1respectively fixing the motor and the front end cover on a tool;
S2detecting whether the placement of each component is finished, and driving the workpiece to move below the press by the servo electric cylinder;
S3the front end cover is clamped by the press, and the motor moves to the position right below the press;
S4the press moves, when the gear pair is about to contact, the valve body fixing device is opened, the valve body falls freely into a groove in the motor, the press continues to move downwards, the gear on the front end cover and the gear on the motor are assembled with each other, and if the assembly is smooth, the next step S is carried out5(ii) a If the assembly is not successful, starting an ECU controller, controlling the motor to rotate, and assembling again;
S5after the gear is installed, the positioning pin on the front end cover freely falls into the corresponding positioning hole of the motor and is pressed in place by a press, and the front end cover and the motor are assembled;
said step S4The method specifically comprises the following steps:
S41the press starts to move downwards, and the gear on the front end cover gradually approaches the gear on the motor;
S42judging whether the gear on the front end cover and the gear on the motor can be assembled smoothly; if the gear on the front end cover and the gear on the motor can be assembled smoothly, the process goes to step S43(ii) a If the gear on the front end cover and the gear on the motor cannot be assembled smoothly, the method goes to step S44；
S43The press continues to move downwards until the gear is completely loaded;
S44the two gears collide with each other, the pressure is gradually increased, when the pressure is increased to the protective force of the gears, the press drives the front end cover to automatically return to the original point, and the step S is carried out45；
S45And the ECU controller is communicated with the motor connector to control the motor to rotate by an angle, the press is started to press again after the rotation is finished, and the step S is repeated42Until the gear is complete, the press is returned to the origin.
2. The ECU control-based high-efficiency gear mounting method according to claim 1, wherein the step S1Further comprising: the positions of all workpieces are kept unchanged by means of the positioning pins, a large spring, a spring seat and a push rod head are placed in the motor, and the valve body assembly is placed in the front end cover.
3. The ECU control-based high-efficiency gear mounting method according to claim 1, wherein the step S2The method specifically comprises the following steps:
S21after the sensors are adopted to detect that the placement of all the components is finished, the device is started after the two-dimensional codes are scanned by the code scanner, the pull-down mechanism is started, the spring is compressed, the pre-tightening force of the large spring is overcome, and the servo electric cylinder drives the workpiece to start to move;
S22and the servo electric cylinder drives the workpiece to move to the lower part of the press, so that the front end cover is positioned under the press.
4. The ECU control-based high-efficiency gear mounting method according to claim 1, wherein the step S3The method specifically comprises the following steps:
S31the press starts to move downwards, the front end cover and the valve body assembly are clamped from the lower tool, and the direction of the valve body is fixed to be aligned with the valve body groove in the motor, so that the valve body cannot rotate;
S32after clamping is finished, the press drives the front end cover to return to the original position;
S33and the servo electric cylinder drives the lower tool to move continuously, so that the motor moves to the position right below the press.
5. An ECU control based high efficiency gear installation method as claimed in claim 1 wherein the motor and the ECU controller are interconnected.
6. An efficient gear installation method based on ECU control as described in claim 1, characterized in that the gear on the front end cover is fixed on the press head of the press through a corresponding tool clamp.
CN201910655774.0A 2019-07-19 2019-07-19 Efficient gear installation method based on ECU control Active CN110919325B (en)

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JP2006150465A (en) * 2004-11-25 2006-06-15 Daihatsu Motor Co Ltd Assembling fixture for electronic equipment
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Effective date of registration: 20240208

Address after: 201206 building 4, Lane 33, Jinji Road, Pudong New Area, Shanghai

Patentee after: DIAS AUTOMOTIVE ELECTRONIC SYSTEM Co.,Ltd.

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Address before: No. 1493, Pudong South Road, Pudong New Area, Shanghai, 200122

Patentee before: SHANGHAI HUIZHONG AUTOMOTIVE MANUFACTURING Co.,Ltd.

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