阅读说明：本技术 一种变速箱轴承装配销钉的装置及使用方法 (Device for assembling pin on gearbox bearing and using method ) 是由 李利莉 谭树范 孙铁明 杨冠男 黄春林 汤志伟 胡静 李俊茹 赵德鲁 李鸿刚 于 2021-10-20 设计创作，主要内容包括：一种变速箱轴承装配销钉的装置及使用方法,涉及机械制造技术领域。为解决现有的轴承安装销钉方法无法保证销钉与孔位置对正,并且采用人工使用手锤的方式,将销钉装配到轴承上,无法保证每次力量大小一直,从而导致装配的合格率较低,且需要两个同时操作,费时费力,工作效率较低的问题。利用定位柱将轴承固定到固定架内部的固定轴上,并使用定位柱对轴承的位置进行调节,保证轴承的销钉孔的轴线与固定架上表面中部通孔的轴线重合,利用压模体与底座之间的导向柱,再利用压力机向压模体的上表面进行施加压力,使销钉精准的安装到轴承外圈的销钉孔内,从而提高轴承装配的合格率,提高工作效率。本发明适用于机械制造技术领域。(A device for assembling a pin on a bearing of a gearbox and a using method relate to the technical field of mechanical manufacturing. The pin assembling method aims to solve the problems that the pin cannot be aligned with a hole in the existing method for installing the pin on the bearing, the pin is assembled on the bearing in a manual hand hammer mode, the strength can not be guaranteed to be always all the time, the assembly qualified rate is low, two simultaneous operations are needed, time and labor are wasted, and the working efficiency is low. Utilize the reference column to fix the bearing to the inside fixed axle of mount to use the reference column to adjust the position of bearing, guarantee the axis in the pin hole of bearing and the axis coincidence of mount upper surface middle part through-hole, utilize the guide post between die body and the base, recycle the press and exert pressure to the upper surface of die body, make the accurate pin hole of installing the bearing inner race of pin, thereby improve the qualification rate of bearing assembly, improve work efficiency. The invention is suitable for the technical field of machine manufacturing.)

1. The utility model provides a device of gearbox bearing assembly pin which characterized in that: the device comprises a guide sleeve (1), a base (2), a fixing frame (3), a positioning column (4), a fixing shaft (5), a guide column (6) and a die body (7);

the middle parts of two ends of the upper surface of the base (2) are respectively provided with a through hole, the middle parts of two ends of the lower surface of the die pressing body (7) are respectively provided with a through hole, the insides of the two through holes of the upper surface of the base (2) and the two through holes of the lower surface of the die pressing body (7) are respectively provided with a guide sleeve (1), the inside of each guide sleeve (1) on the base (2) is provided with a guide post (6), the top end of one guide post (6) is inserted into the inside of the guide sleeve (1) at one end of the lower surface of the die pressing body (7), the top end of the other guide post (6) is inserted into the inside of the guide sleeve (1) at the other end of the lower surface of the die pressing body (7), a fixing frame (3) is arranged between the base (2) and the die pressing body (7), the bottom of the fixing frame (3) is fixedly connected with the middle part of the upper surface of the base (2), the middle part of the upper surface of the fixing frame (3) is provided with a through hole, and the middle part of the front surface of the fixing frame (3) is provided with a rectangular blind hole, a fixing shaft (5) is arranged inside the rectangular blind hole, the middle part of the side wall of the fixing frame (3) is provided with a through hole, and a positioning column (4) is arranged inside the through hole.

2. A transmission bearing fitting pin arrangement as claimed in claim 1, wherein: the section of the die body (7) is T-shaped.

3. A transmission bearing fitting pin arrangement as claimed in claim 1, wherein: and a marking line (9) is arranged on the middle part of the edge of the upper surface of the base (2) along the long edge.

4. A transmission bearing fitting pin arrangement as claimed in claim 1, wherein: one end of the fixed shaft (5) is fixedly connected with the bottom surface of the rectangular blind hole in the middle of the front surface of the fixed frame (3).

5. A transmission bearing fitting pin arrangement as claimed in claim 1, wherein: the bottom of the fixing frame (3) is fixedly connected with the middle part of the upper surface of the base (2) through bolts.

6. A transmission bearing fitting pin arrangement as claimed in claim 1, wherein: the outer surface of the positioning column (4) is provided with anti-skid lines.

7. The use method of the gearbox bearing fitting pin device according to claim 1, characterized by comprising the following steps: the specific method comprises the following steps:

firstly, when a pin is installed, sleeving a bearing outer ring (8) on the outer surface of a guide post (6), aligning a pin hole of the bearing outer ring (8) with a mark line (9), pushing the bearing outer ring (8) into a fixed frame (3) until the bearing outer ring is pushed to be fixed, and enabling the axis of the pin hole of the bearing outer ring (8) to coincide with the central line of a through hole in the middle of the upper surface of the fixed frame (3);

secondly, plugging a positioning column (4) into the through hole in the middle of the upper surface of the side wall of the fixing frame (3), testing and calibrating whether a pin hole of the bearing outer ring (8) is aligned with the through hole in the middle of the upper surface of the fixing frame (3), then pulling out the positioning column, and placing a pin into the through hole in the middle of the upper surface of the fixing frame (3);

combining a fixing frame (3) with a bearing outer ring (8), a base (2) and a die pressing body (7), and conveying the guide post (6) into the guide sleeve (1) by using the guide post (6);

step four, applying pressure to the upper surface of the die body (7) by using a press machine, and completing the process of installing the pin after pressurizing;

and fifthly, separating the fixing frame (3) from the base (2) and taking out the outer ring of the bearing, thereby completing the installation of the pin.

Technical Field

The invention relates to the technical field of machine manufacturing, in particular to a device for assembling pins on a bearing of a gearbox and a using method of the device.

Background

The existing gearbox bearing is provided with a hole at the position of the outer diameter of the bearing close to the end face, and the hole is provided with a pin which is in interference fit with the bearing.

The existing method for installing the pin on the bearing adopts one person to fix the pin at the position of the pin hole by using tweezers, and another person uses a hammer to hit the pin to enable the pin to be installed in the hole, but the pin is not fixed stably by using the tweezers in the installation process and often slides down the pin, so that the pin and the hole are not aligned, and the pin is assembled by knocking by using the hammer, the force cannot be guaranteed to be perpendicular to the axis of the bearing, the strength is inconsistent, after the pin is installed, the pin is askew, the height of the assembled pin does not meet the requirement, the height of the pin is not too large or too small, the reasonable rate is 30% -40%, more than 2 persons are required to be matched during the pin assembling, and 1 person cannot install the pin.

In conclusion, the existing method for installing the pin on the bearing cannot ensure that the pin is aligned with the hole, and the pin is assembled on the bearing in a manual hand hammer mode, so that the strength can not be ensured to be always each time, the assembly qualified rate is low, two simultaneous operations are required, time and labor are wasted, and the working efficiency is low.

Disclosure of Invention

The invention provides a device for assembling a pin on a bearing of a gearbox and a using method thereof, aiming at solving the problems that the existing method for installing the pin on the bearing can not ensure the alignment of the pin and a hole, and the pin is assembled on the bearing by adopting a manual hammer mode, so that the assembly qualification rate is lower, two operations are required simultaneously, time and labor are wasted, and the working efficiency is lower.

The invention discloses a device for assembling pins on a bearing of a gearbox, which comprises a guide sleeve, a base, a fixing frame, a positioning column, a fixing shaft, a guide column and a die pressing body, wherein the guide sleeve is fixedly arranged on the base;

the middle parts of the two ends of the upper surface of the base are respectively provided with a through hole, the middle parts of the two ends of the lower surface of the die body are respectively provided with a through hole, and the insides of the two through holes on the upper surface of the base and the two through holes on the lower surface of the die body are respectively provided with a guide sleeve, and the inside of each guide sleeve on the base is provided with a guide post, wherein the top end of one guide post is inserted into the guide sleeve at one end of the lower surface of the die body, the top end of the other guide post is inserted into the guide sleeve at the other end of the lower surface of the die body, a fixing frame is arranged between the base and the die body, the bottom of the fixing frame is fixedly connected with the middle part of the upper surface of the base, the middle part of the upper surface of the fixing frame is provided with a through hole, the middle part of the front surface of the fixing frame is provided with a rectangular blind hole, a fixed shaft is arranged inside the rectangular blind hole, a through hole is formed in the middle of the side wall of the fixing frame, and a positioning column is arranged inside the through hole;

further, the section of the die body is T-shaped;

furthermore, a marking line 9 is arranged on the middle part of the edge of the upper surface of the base along the long edge;

furthermore, one end of the fixed shaft is fixedly connected with the bottom surface of the rectangular blind hole in the middle of the front surface of the fixed frame;

furthermore, the bottom of the fixing frame is fixedly connected with the middle part of the upper surface of the base through a bolt;

furthermore, anti-skid grains are arranged on the outer surface of the positioning column;

the invention discloses a using method of a pin assembling device for a gearbox bearing, which comprises the following specific steps:

step one, when a pin is installed, sleeving a bearing outer ring on the outer surface of a guide post, aligning a pin hole of the bearing outer ring with a marking line, pushing the bearing outer ring into a fixing frame until the bearing outer ring is fixed, and enabling the axis of the pin hole of the bearing outer ring to coincide with the central line of a through hole in the middle of the upper surface of the fixing frame;

step two, inserting a positioning column into the through hole in the middle of the upper surface of the side wall of the fixing frame, testing and calibrating whether a pin hole of the outer ring of the bearing is aligned with the through hole in the middle of the upper surface of the fixing frame or not, then pulling out the positioning column, and placing a pin into the through hole in the middle of the upper surface of the fixing frame;

combining the fixed frame with the bearing outer ring, the base and the die pressing body together, and conveying the guide column into the guide sleeve by using the guide column;

step four, applying pressure to the upper surface of the die body by using a press machine, and completing the process of installing the pin after pressurizing;

and fifthly, separating the fixing frame from the base, and taking out the bearing outer ring, thereby completing the installation of the pin.

Compared with the prior art, the invention has the following beneficial effects:

the invention overcomes the defects of the prior art, a fixing frame is arranged between a base and a die body, the bottom of the fixing frame is fixedly connected with the middle part of the upper surface of the base, a through hole is arranged in the middle part of the upper surface of the fixing frame, a rectangular blind hole is arranged in the middle part of the front surface of the fixing frame, a fixing shaft is arranged in a rectangular counter bore in the front surface of the fixing frame, a through hole is arranged in the middle part of the side wall of the fixing frame, and a positioning column is arranged in the through hole; utilize the reference column with the bearing fixed to the inside fixed axle of mount, and use the reference column to adjust the position of bearing, realize carrying out the proofreading of position to the pin hole of bearing inner race and the through-hole at mount upper surface middle part, guarantee the axis of the pin hole of bearing and the axis coincidence of mount upper surface middle part through-hole, thereby guarantee the precision that pin and hole position were adjusted well, and put the pin into the inside of mount upper surface middle part through-hole, utilize the guide post between die body and the base, reuse the press and exert pressure to the upper surface of die body, make the lower surface of die body and the top contact of pin, make the accurate pin of installing the bearing inner race downthehole of pin of installing, thereby improve the qualification rate of bearing assembly, adopt this kind of device installation, only need a personnel operate can, improve work efficiency.

Drawings

FIG. 1 is a cross-sectional view of a transmission bearing pin assembly arrangement according to the present invention;

fig. 2 is a top view of a base in the pin assembling device for the gearbox bearing according to the invention.

Detailed Description

The first embodiment is as follows: the embodiment is described with reference to fig. 1 and 2, and the device for assembling the pin on the bearing of the gearbox in the embodiment comprises a guide sleeve 1, a base 2, a fixed frame 3, a positioning column 4, a fixed shaft 5, a guide column 6 and a die body 7;

the middle parts of two ends of the upper surface of a base 2 are respectively provided with a through hole, the middle parts of two ends of the lower surface of a die body 7 are respectively provided with a through hole, the inner parts of two through holes of the upper surface of the base 2 and two through holes of the lower surface of the die body 7 are respectively provided with a guide sleeve 1, the inner part of each guide sleeve 1 on the base 2 is provided with a guide post 6, the top end of one guide post 6 is inserted into the inner part of the guide sleeve 1 at one end of the lower surface of the die body 7, the top end of the other guide post 6 is inserted into the inner part of the guide sleeve 1 at the other end of the lower surface of the die body 7, a fixing frame 3 is arranged between the base 2 and the die body 7, the bottom of the fixing frame 3 is fixedly connected with the middle part of the upper surface of the base 2, the middle part of the upper surface of the fixing frame 3 is provided with a through hole, the middle part of the front of the fixing frame 3 is provided with a rectangular blind hole, and the inner part of the rectangular blind hole is provided with a fixing shaft 5, a through hole is arranged in the middle of the side wall of the fixed frame 3, and a positioning column 4 is arranged in the through hole;

in the specific embodiment, a fixing frame is arranged between a base and a die body, the bottom of the fixing frame is fixedly connected with the middle part of the upper surface of the base, a through hole is formed in the middle part of the upper surface of the fixing frame, a rectangular blind hole is formed in the middle part of the front surface of the fixing frame, a fixing shaft is arranged inside a rectangular counter bore in the front surface of the fixing frame, a through hole is formed in the middle part of the side wall of the fixing frame, and a positioning column is arranged inside the through hole; utilize the reference column with the bearing fixed to the inside fixed axle of mount, and use the reference column to adjust the position of bearing, realize carrying out the proofreading of position to the pin hole of bearing inner race and the through-hole at mount upper surface middle part, guarantee the axis of the pin hole of bearing and the axis coincidence of mount upper surface middle part through-hole, thereby guarantee the precision that pin and hole position were adjusted well, and put the pin into the inside of mount upper surface middle part through-hole, utilize the guide post between die body and the base, reuse the press and exert pressure to the upper surface of die body, make the lower surface of die body and the top contact of pin, make the accurate pin of installing the bearing inner race downthehole of pin of installing, thereby improve the qualification rate of bearing assembly, adopt this kind of device installation, only need a personnel operate can, improve work efficiency.

The second embodiment is as follows: the present embodiment will be described with reference to fig. 1, and the present embodiment is a further limitation of the assembling tool according to the first embodiment, and in the apparatus for assembling a pin for a bearing of a transmission according to the present embodiment, the cross section of the die body 7 is a T shape.

The third concrete implementation mode: the present embodiment is described with reference to fig. 1, and the present embodiment is a further limitation of the assembling tool according to the first embodiment, and the apparatus for assembling a pin on a bearing of a gearbox according to the present embodiment is characterized in that a marking line 9 is arranged on the upper surface of the base 2 along the middle of the edge of the long side;

this embodiment, the edge middle part that adopts the upper surface of base 2 to follow long limit is equipped with mark line 9, improves the precision of installation.

The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1, and the present embodiment is a further limitation of the assembling tool described in the first embodiment, and in the apparatus for assembling a pin for a bearing of a gearbox described in the present embodiment, one end of the fixed shaft 5 is fixedly connected to the bottom surface of the rectangular blind hole in the middle of the front surface of the fixed frame 3.

The fifth concrete implementation mode: the present embodiment is described with reference to fig. 1, and the present embodiment is a further limitation of the assembling tool described in the first embodiment, and in the apparatus for assembling a pin on a bearing of a gearbox described in the present embodiment, the bottom of the fixing frame 3 is fixedly connected to the middle of the upper surface of the base 2 through a bolt.

The sixth specific implementation mode: the present embodiment is described with reference to fig. 1, and the present embodiment is a further limitation of the assembling tool according to the first embodiment, in the apparatus for assembling a pin on a bearing of a gearbox according to the present embodiment, the outer surface of the positioning column 4 is provided with anti-skid threads;

in the specific embodiment, the anti-slip lines are arranged on the outer surface of the positioning column 4, so that the phenomenon of slipping caused by manual operation time is avoided.

The seventh embodiment: the embodiment is described with reference to fig. 1 and 2, and the use method of the transmission bearing assembling pin device according to the embodiment is as follows:

step one, when the pin is installed, sleeving the bearing outer ring 8 on the outer surface of the guide post 6, aligning the pin hole of the bearing outer ring 8 with the mark line 9, pushing the bearing outer ring 8 into the fixed frame 3 until the pin hole is not pushed, and enabling the axis of the pin hole of the bearing outer ring 8 to coincide with the central line of the through hole in the middle of the upper surface of the fixed frame 3;

secondly, inserting a positioning column 4 into the through hole in the middle of the upper surface of the side wall of the fixed frame 3, testing and calibrating whether a pin hole of the bearing outer ring 8 is aligned with the through hole in the middle of the upper surface of the fixed frame 3, then pulling out the positioning column, and placing a pin into the through hole in the middle of the upper surface of the fixed frame 3;

combining the fixing frame 3 with the bearing outer ring 8, the base 2 and the die pressing body 7 together, and conveying the guide column 6 into the guide sleeve 1 by using the guide column 6;

step four, applying pressure to the upper surface of the die body 7 by using a press machine, and completing the process of installing the pin after pressurizing;

and step five, separating the fixed frame 3 from the base 2, and taking out the bearing outer ring, thereby completing the installation of the pin.