CN213999252U - Upper floating centering press-fitting clamp for assembling balance shaft and gear - Google Patents
Upper floating centering press-fitting clamp for assembling balance shaft and gear Download PDFInfo
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- CN213999252U CN213999252U CN202023068488.1U CN202023068488U CN213999252U CN 213999252 U CN213999252 U CN 213999252U CN 202023068488 U CN202023068488 U CN 202023068488U CN 213999252 U CN213999252 U CN 213999252U
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- balance shaft
- gear
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- pressing
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Abstract
The utility model discloses an upper floating centering press-fitting clamp for assembling a balance shaft and a gear, which comprises a lower supporting mechanism, an upper pressing mechanism, and a balance shaft and a gear arranged between the lower supporting mechanism and the upper pressing mechanism; the lower supporting mechanism comprises a base and a lower tip, the lower end of the lower tip is inserted into the base, a lower spring is arranged between the lower tip and the base, the gear is sleeved on the lower tip and placed on the base, the upper pressing mechanism comprises a pressing rod and an upper tip, and the tips of the lower tip and the upper tip are inserted into tip holes at two ends of the balance shaft; the upper top point is sleeved with a pressing sleeve, the lower end of the pressing sleeve corresponds to the upper end face of the balance shaft, the upper end face of the pressing sleeve is provided with a plug, the upper part of the plug corresponds to the pressing rod, an upper spring is arranged between the plug and the upper top point, the pressing sleeve is sleeved with a supporting bent plate, a return spring is arranged between the supporting bent plate and the plug, and the return spring is sleeved on the pressing sleeve. The utility model is characterized in that: simple structure, the installation of being convenient for makes pressure effect at balanced axle terminal surface through pressing the cover, has solved the axle head crackle problem that top compressed tightly the production.
Description
Technical Field
The utility model relates to a gear equipment correlation technique field, balanced axle and gear equipment's last floating centering pressure equipment anchor clamps.
Background
In a balancer box body assembly, a gear and a balance shaft are respectively processed and then are pressed and assembled into a whole, in order to ensure the pressing and assembling quality, the balance shaft is kept to move up and down along an axis in the pressing and assembling process, therefore, upper and lower center holes of a shaft end are used for centering, the center is adopted for pressing in the original pressing and assembling process, the pressing force acts in the center holes, and cracks are generated at the shaft end when the pressure is overlarge due to the fact that the wall thickness of the shaft end is thin.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough problem, provide an upper floating centering pressure equipment anchor clamps of balanced axle and gear equipment.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the upper floating centering press-fitting clamp comprises a lower support mechanism and an upper pressing mechanism which correspond up and down, and a balance shaft and a gear are arranged between the lower support mechanism and the upper pressing mechanism; the lower supporting mechanism comprises a base and a lower tip, the lower end of the lower tip is inserted into a lower tip groove of the base, a lower spring is arranged between the lower tip and the lower tip, the gear is sleeved on the lower tip and placed on the base, and the gear is provided with a gear positioning device; the upper pressing mechanism comprises a pressing rod and an upper tip, the tips of the lower tip and the upper tip are respectively inserted into tip holes at two ends of the balance shaft, and the balance shaft is provided with a balance shaft positioning device; the pressure balance device is characterized in that the upper tip is sleeved with a pressure sleeve, the lower end of the pressure sleeve corresponds to the upper end face of the balance shaft, a plug is installed on the upper end face of the pressure sleeve, the upper portion of the plug corresponds to the pressure rod, an upper spring is arranged between the plug and the upper tip, the pressure sleeve is sleeved with a supporting bent plate, the other end of the supporting bent plate is installed on the base, a reset spring is arranged between the supporting bent plate and the plug, and the reset spring is sleeved on the pressure sleeve.
The gear positioning device comprises a positioning seat and a gear positioning pin, wherein the positioning seat is installed on the base, the gear positioning pin is inserted into the positioning seat, and the end part of the gear positioning pin is inserted into a gear tooth groove.
The balance shaft positioning device comprises a positioning pin seat and a balance shaft positioning pin, the positioning pin seat is installed on the base, the balance shaft positioning pin is inserted into the positioning pin seat, and the end part of the balance shaft positioning pin is inserted into a pin hole of the balance shaft.
The gear is installed on the base through the locating pad.
The protective cover is installed at the upper end of the supporting bent plate, the upper ends of the plug and the pressing sleeve are located in the protective cover, and one end of the pressing rod with the large diameter is inserted into the protective cover.
The protective cover is fixed on the supporting bent plate through screws.
The utility model is characterized in that: simple structure, the installation of being convenient for makes pressure effect at the terminal surface of balance shaft through setting up the pressure cover, has solved the axle head crackle problem that top compressed tightly the production.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. the device comprises a compression bar 2, a protective cover 3, a plug 4, a pressing sleeve 5, an upper spring 6, a return spring 7, a screw 8, an upper tip 9, a supporting bent plate 10, a balance shaft 11, a balance shaft positioning pin 12, a positioning pin seat 13, a gear 14, a positioning seat 15, a lower tip 16, a positioning pad 17, a base 18, a lower tip groove 19, a lower spring 20, a gear positioning pin 21 and a pin hole.
Detailed Description
As shown in fig. 1, the utility model relates to an upper floating centering press-fitting fixture for assembling a balance shaft and a gear, which comprises a lower supporting mechanism and an upper pressing mechanism which are corresponding up and down, wherein a balance shaft 10 and a gear 13 which need to be assembled are arranged between the lower supporting mechanism and the upper pressing mechanism; the lower supporting mechanism comprises a base 17 and a lower tip 15, the lower end of the lower tip 15 is inserted into a lower tip groove 18 of the base 17, a lower spring 19 is arranged between the lower tip and the lower tip, a central positioning hole of the gear 13 is sleeved on the lower tip 15 and is placed on the base 17 through a positioning pad 16, the gear 13 is provided with a gear positioning device, the gear positioning device comprises a positioning seat 14 and a gear positioning pin 20, the positioning seat 14 is installed on the base 17, the gear positioning pin 20 is inserted into the positioning seat 14, and the end part of the gear positioning pin 20 is inserted into a tooth groove of the gear 13; the upper pressing mechanism comprises a pressing rod 1 and an upper tip 8, the tips of the lower tip 15 and the upper tip 8 are respectively inserted into tip holes at two ends of a balance shaft 10, the balance shaft is provided with a balance shaft positioning device, the balance shaft positioning device comprises a positioning pin base 12 and a balance shaft positioning pin 11, the positioning pin base 12 is installed on a base 17, the balance shaft positioning pin 11 is inserted into a U-shaped groove at the upper end of the positioning pin base 12, and the end part of the balance shaft positioning pin 11 is inserted into a pin hole 20 of the balance shaft 10; the upper center 8 is sleeved with a pressing sleeve 4, the lower end of the pressing sleeve 4 corresponds to the upper end face of a balance shaft 10, a plug 3 is mounted on the upper end face of the pressing sleeve 4 and is in threaded connection with the pressing sleeve, the upper portion of the plug 3 corresponds to a pressure rod 1, an upper spring 5 is arranged between the plug 3 and the upper center 8, the pressing sleeve 4 is sleeved with a supporting bent plate 9, the other end of the supporting bent plate 9 is mounted on a base 17, a reset spring 6 is arranged between the supporting bent plate 9 and the plug 3, the reset spring 6 is sleeved on the pressing sleeve 4, the upper end of the supporting bent plate 9 is provided with a protective cover 2 through a screw 7, the plug 3, the upper end of the pressing sleeve 4 and the reset spring 6 are all located in the protective cover 2, and the large-diameter end of the pressure rod 1 is inserted in the protective cover 2.
When in installation, the base 17 is fixed on the workbench, the supporting bent plate 9, the positioning pin seat 12, the positioning seat 14 and the positioning pad 16 are fixed on the base 17 through the socket head cap screws according to the required installation angle, the upper tip 8 is placed in the pressing sleeve 4, then the upper spring 5 is placed, then screwing the plug 3, placing the return spring 6 in a groove on the supporting bent plate 9, placing the pressing sleeve 4 in a hole of the supporting bent plate 9 through the spring 5, placing the pressing rod 1 on the plug 3, covering the protective cover 2, fixing the protective cover 2 on the supporting bent plate 9 by using the plug 7, placing the gear 13 on the positioning pad 16, inserting the gear positioning pin 20 on the positioning seat 14 into a tooth groove of the gear 13, respectively installing tip holes at two ends of the balance shaft 10 on the lower tip 15 and the upper tip 8, and rotating the balance shaft 10 to enable the positioning pin 11 to be inserted into a pin hole 21 of the balance shaft 10 after being guided by the positioning pin seat 12.
When the machine tool is in operation, the gear 13 is placed on the positioning pad 16, the gear positioning pin 20 on the positioner 14 is inserted into the tooth groove of the gear 13, the center holes at two ends of the balance shaft 10 are respectively installed on the lower center 15 and the upper center 8, the balance shaft 10 is rotated, the positioning pin 11 can be inserted into the pin hole 21 of the balance shaft 10 after being guided by the positioning pin seat 12, the machine tool is started, the press rod 1 applies pressure to push the press sleeve 4 to move downwards, the lower end face of the press sleeve 4 is in contact with the end face of the balance shaft 10, the balance shaft 10 is pushed to move downwards, the balance shaft 10 is pressed into the gear 13, the upper pressure is cancelled, the press sleeve 4 returns to the upper dead point under the action of the reset spring 6, the balance shaft 10 provided with the gear 13 is taken down, and the next gear 13 and balance shaft 10 are installed for assembly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be within the technical scope of the present invention, and the technical solutions and the inventive concepts of the present invention are equivalent to or changed according to the present invention, and all those skilled in the art should be covered by the scope of the present invention.
Claims (6)
1. The upper floating centering press-fitting clamp for assembling the balance shaft and the gear is characterized in that: the device comprises a lower supporting mechanism and an upper pressing mechanism which correspond up and down, wherein a balance shaft and a gear are arranged between the lower supporting mechanism and the upper pressing mechanism; the lower supporting mechanism comprises a base and a lower tip, the lower end of the lower tip is inserted into a lower tip groove of the base, a lower spring is arranged between the lower tip and the lower tip, the gear is sleeved on the lower tip and placed on the base, and the gear is provided with a gear positioning device; the upper pressing mechanism comprises a pressing rod and an upper tip, the tips of the lower tip and the upper tip are respectively inserted into tip holes at two ends of the balance shaft, and the balance shaft is provided with a balance shaft positioning device; the pressure balance device is characterized in that the upper tip is sleeved with a pressure sleeve, the lower end of the pressure sleeve corresponds to the upper end face of the balance shaft, a plug is installed on the upper end face of the pressure sleeve, the upper portion of the plug corresponds to the pressure rod, an upper spring is arranged between the plug and the upper tip, the pressure sleeve is sleeved with a supporting bent plate, the other end of the supporting bent plate is installed on the base, a reset spring is arranged between the supporting bent plate and the plug, and the reset spring is sleeved on the pressure sleeve.
2. The upper floating centering press-fitting jig for assembling the balance shaft and the gear according to claim 1, wherein: the gear positioning device comprises a positioning seat and a gear positioning pin, wherein the positioning seat is installed on the base, the gear positioning pin is inserted into the positioning seat, and the end part of the gear positioning pin is inserted into a gear tooth groove.
3. The upper floating centering press-fitting jig for assembling the balance shaft and the gear according to claim 1, wherein: the balance shaft positioning device comprises a positioning pin seat and a balance shaft positioning pin, the positioning pin seat is installed on the base, the balance shaft positioning pin is inserted into the positioning pin seat, and the end part of the balance shaft positioning pin is inserted into a pin hole of the balance shaft.
4. The upper floating centering press-fitting jig for assembling the balance shaft and the gear according to claim 1, wherein: the gear is installed on the base through the locating pad.
5. The upper floating centering press-fitting jig for assembling the balance shaft and the gear according to claim 1, wherein: the protective cover is installed at the upper end of the supporting bent plate, the upper ends of the plug and the pressing sleeve are located in the protective cover, and one end of the pressing rod with the large diameter is inserted into the protective cover.
6. The upper floating centering press-fitting jig for assembling the balance shaft and the gear according to claim 5, wherein: the protective cover is fixed on the supporting bent plate through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023068488.1U CN213999252U (en) | 2020-12-18 | 2020-12-18 | Upper floating centering press-fitting clamp for assembling balance shaft and gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023068488.1U CN213999252U (en) | 2020-12-18 | 2020-12-18 | Upper floating centering press-fitting clamp for assembling balance shaft and gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213999252U true CN213999252U (en) | 2021-08-20 |
Family
ID=77312394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023068488.1U Active CN213999252U (en) | 2020-12-18 | 2020-12-18 | Upper floating centering press-fitting clamp for assembling balance shaft and gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213999252U (en) |
-
2020
- 2020-12-18 CN CN202023068488.1U patent/CN213999252U/en active Active
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