CN213497877U - Bevel gear differential shell hole machining device - Google Patents
Bevel gear differential shell hole machining device Download PDFInfo
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- CN213497877U CN213497877U CN202022149508.1U CN202022149508U CN213497877U CN 213497877 U CN213497877 U CN 213497877U CN 202022149508 U CN202022149508 U CN 202022149508U CN 213497877 U CN213497877 U CN 213497877U
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- clamp body
- spring expansion
- pressing cover
- connecting plate
- shell hole
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Abstract
The utility model discloses a bevel gear differential shell hole processing device, which comprises a connecting plate, a clamp body, a spring expansion sheet, a pull rod, a pressing cover and a cushion block; the clamp body is arranged on the right side of the connecting plate through a connecting bolt I, a columnar positioning shaft is formed at the right end of the clamp body, the spring expansion sheet and the pressing cover are sequentially sleeved on the positioning shaft, the right end of the pull rod is fixed on the pressing cover and is flush with the right side of the pressing cover, and the left end of the pull rod sequentially penetrates through shaft holes of the clamp body and the connecting plate and extends out of the left side of the connecting plate; the cushion block is connected to the right end face of the clamp body through a connecting bolt II. The device can solve the unstable problem of left and right poor shell hole axiality overproof and process machining that causes because of the influence of jack catch precision and clamping, positioning deviation in the original processing scheme, effectively guarantees the axiality requirement of left and right poor shell hole, and process machining quality is stable, and machining efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of the machine-building, concretely relates to bevel gear differential shell hole processingequipment.
Background
The gear is a key part in an automobile axle and mainly plays a role in transmitting the high-speed rotation motion of the transmission shaft to the high-speed rotation motion of tires on two sides through the meshing of the driving bevel gear pair and the driven bevel gear pair, so that the assembly precision requirement is high. The inner hole machining of the bevel gear, in particular to the inner hole machining of the gear with the left differential shell hole and the right differential shell hole, has higher requirements on the coaxiality and the size machining precision of the left differential shell hole and the right differential shell hole. In order to ensure the coaxiality requirements of the left differential shell hole and the right differential shell hole of the gear, a common clamping scheme is to process the left differential shell hole firstly, then position the left differential shell hole by three-jaw positioning, and process the right differential shell hole by a positioning mode with the left differential shell hole as a reference.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough that exists among the prior art, provide a bevel gear differential shell hole processingequipment, the device has effectively guaranteed the axiality requirement in the gear left and right differential shell hole in the course of working, and processingquality is stable, and loading and unloading are convenient, and machining efficiency is high.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a bevel gear differential shell hole machining device comprises a connecting plate, a clamp body, a spring expansion sheet, a pull rod, a pressing cover and a cushion block; the clamp body is arranged on the right side of the connecting plate through a connecting bolt I, a columnar positioning shaft is formed at the right end of the clamp body, the spring expansion sheet and the pressing cover are sequentially sleeved on the positioning shaft, the right end of the pull rod is fixed on the pressing cover and is flush with the right side of the pressing cover, and the left end of the pull rod sequentially penetrates through shaft holes of the clamp body and the connecting plate and extends out of the left side of the connecting plate; the cushion block is connected to the right end face of the fixture body through a connecting bolt II; the spring expansion piece comprises a left ring piece and a right ring piece, the left ring piece and the right ring piece are connected through filling rubber, a shaft hole is formed in the middle of the left ring piece and the right ring piece, the shaft hole is matched with the positioning shaft of the clamp body, and the outer diameter of the spring expansion piece is matched with a left differential shell hole of the machined gear.
An inner conical surface matched with the outer conical surface of the machine tool is arranged on a left shaft hole of the connecting plate, the connecting plate is fixedly connected with the machine tool through a connecting bolt III, the fixture body is connected with the machine tool through the connecting plate, the right end surface of the fixture body is contacted and flatly attached to the end surface of the gear to be machined, the spring expansion sheet is installed on a positioning shaft on the right side of the fixture body, the positioning shaft is in gapless connection with the spring expansion sheet, so that the spring expansion sheet is not easy to loosen, the outer diameter of the spring expansion sheet is matched with a left differential shell hole of the gear to be machined, and the cushion block is installed on the right end surface; sleeving a compression cover on the pull rod, hydraulically tensioning, and then sequentially penetrating the left end of the pull rod through the clamp body and the connecting plate to be connected with a connecting rod of a machine tool oil cylinder; when processing, the end face of the pressing cover uniformly applies force on the spring expansion sheet, the spring expansion sheet is uniformly stressed and expanded and is in zero-clearance fit with the left differential shell hole of the processed gear, the problems of poor coaxiality of the left differential shell hole and the right differential shell hole and instability of process processing caused by the influence of jaw accuracy, clamping and positioning deviation in the original processing scheme are solved, the coaxiality requirement of the left differential shell hole and the right differential shell hole is effectively guaranteed, the process processing quality is stable, and the processing efficiency is high.
The utility model discloses explain further, it is less than the external diameter that the spring rises the piece to compress tightly the lid external diameter. The outer diameters of the pressing cover and the spring expansion sheet are limited, and the machining of the right differential shell hole and the end face by the cutter cannot be influenced.
The utility model discloses explain further, compress tightly the lid and be trapezoidal round platform, the left surface of trapezoidal round platform is greater than the right flank, trapezoidal round platform middle part is equipped with the through-hole with the pull rod assorted, the right flank of trapezoidal round platform is equipped with fixed concave station, and the left surface of trapezoidal round platform is equipped with the mounting groove with fixed axle assorted, the right-hand member of pull rod is equipped with the nut with fixed concave station assorted; when the pull rod is fixed, the screw cap is embedded into the fixing concave table.
The pressing cover is arranged to be a trapezoidal round table, the left side face of the pressing cover uniformly applies force to the spring expansion sheet after installation, the spring expansion sheet is uniformly stressed and spread, and is in zero clearance fit with the left differential shell hole of the processed gear, the positioning is stable, the processing precision of the left differential shell hole and the right differential shell hole of the processed gear is effectively guaranteed, the quality of the processed gear is stable, the assembling and disassembling are rapid and convenient, and the processing efficiency is high.
The utility model discloses explain further, location axle length is greater than the axial length of spring expansion piece 7. When the spring expansion piece is loosened, the spring expansion piece is not easy to loosen.
The utility model discloses explain further, location axle length is less than spring expansion piece axial length and compresses tightly the mounting groove axial length sum of lid. The length of the positioning shaft that sets up can avoid compressing tightly the lid and positioning shaft's interference when taut, thereby makes the spring expansion piece evenly open under the effect that compresses tightly the lid and keep the axiality of the poor shell hole in the left side and the poor shell in the right side of processed gear better, improves the precision of processing.
The utility model discloses explain further, the excircle of pull rod and the specific shaft hole phase-match of anchor clamps.
The utility model discloses the beneficial effect who has as follows:
the cushion block is arranged on the right end face of the clamp body, the positioning shaft is arranged on the clamp body, and the positions of the cushion block and the positioning shaft are matched with the spring expansion sheet and the machined gear, so that the matching precision of the spring expansion sheet and the positioning shaft is effectively ensured, the pressing cover cannot be loosened when the clamp is tightened and loosened, quick clamping and disassembly can be realized, and the positioning precision is good; in addition, the pressing cover does not influence the machining of the cutter on the differential shell hole and the end face. The spring expansion piece and the left differential hole of the gear to be processed adopt a gapless matched clamping and positioning mode, the problems of left and right differential shell hole coaxiality out-of-tolerance and process processing instability caused by the influence of claw precision, clamping and positioning deviation in the original processing scheme are solved, the coaxiality requirement of the left and right differential shell holes is effectively guaranteed, the process processing quality is stable, and the processing efficiency is high.
Drawings
Fig. 1 is the structure schematic diagram of the bevel gear differential shell hole machining device of the present invention.
Wherein, each icon and the corresponding part name are as follows:
1-connecting plate, 2-connecting bolts I and 3-fixture body, 4-spring expansion sheet, 5-positioning shaft, 6-pull rod, 7-pressing cover, 8-cushion block, 9-connecting bolts II, 10-connecting bolt III, 11-left differential case hole and 12-right differential case hole.
Detailed Description
The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.
Example 1:
the bevel gear differential shell hole machining device shown in fig. 1 comprises a connecting plate 1, a clamp body 3, a spring expansion sheet 4, a pull rod 6, a pressing cover 7 and a cushion block 8; the clamp body 3 is installed on the right side of the connecting plate 1 through a connecting bolt I2, a columnar positioning shaft 5 is formed at the right end of the clamp body 3, the spring expansion sheet 4 and the pressing cover 7 are sequentially sleeved on the positioning shaft 5, the right end of the pull rod 6 is fixed on the pressing cover 7, and the left end of the pull rod 6 sequentially penetrates through shaft holes of the clamp body 3 and the connecting plate 1 and extends out of the left side of the connecting plate 1; the cushion block 8 is connected to the right end face of the clamp body 3 through a connecting bolt II 9; the spring expansion piece 4 comprises a left ring piece and a right ring piece, the left ring piece and the right ring piece are connected through filling rubber, a shaft hole is formed in the middle of the left ring piece and the right ring piece, the shaft hole is matched with a positioning shaft of the clamp body, and the outer diameter of the spring expansion piece 4 is matched with a left differential shell hole of a processed gear.
An inner conical surface matched with an outer conical surface of a machine tool is arranged on a left shaft hole of a connecting plate 1, the connecting plate 1 is fixedly connected with the machine tool through a connecting bolt III 10, a clamp body 3 is connected with the machine tool through the connecting plate 1, the right end surface of the clamp body 3 is in contact with and flatly attached to the end surface of a gear to be processed, a spring expansion sheet 4 is installed on a positioning shaft 5 on the right side of the clamp body 3, the positioning shaft 5 is in gapless connection with the spring expansion sheet 4, so that the spring expansion sheet 4 is not easy to loosen, the outer diameter of the spring expansion sheet 4 is matched with a left differential shell hole 11 of the gear to be processed, and the spring expansion sheet 4; sleeving a compression cover 7 on a pull rod 6, hydraulically tensioning, and then sequentially penetrating the left end of the pull rod 6 through a clamp body 3 and a connecting plate 1 to be connected with a connecting rod of a machine tool oil cylinder; when processing, the end face of the pressing cover 7 applies force on the spring expansion sheet 4 uniformly, the spring expansion sheet 4 is stressed and expanded uniformly and is in clearance-free fit with a left differential shell hole of a processed gear, the problems of out-of-coaxiality of the left differential shell hole 11 and the right differential shell hole 12 and instability of process processing caused by the influence of jaw precision, clamping and positioning deviation in the original processing scheme are solved, the coaxiality requirements of the left differential shell hole 11 and the right differential shell hole 12 are effectively guaranteed, the process processing quality is stable, and the processing efficiency is high.
Example 2:
this example differs from example 1 in that: the length of the positioning shaft 5 is greater than the axial length of the spring expansion sheet 4, and the length of the positioning shaft 5 is less than the sum of the axial length of the spring expansion sheet 4 and the axial length of the mounting groove of the pressing cover 7. The length of the positioning shaft 5 that sets up can avoid compressing tightly lid 7 and positioning shaft 5's interference when taut, thereby makes spring expansion piece 4 evenly open and keep the left poor shell hole 11 of processed gear and the axiality of the poor shell 12 of right side better under the effect that compresses tightly lid 7, improves the precision of processing, can guarantee spring expansion piece 4 difficult pine when unclamping simultaneously and take off.
Example 3:
this example differs from example 2 in that: the outer diameter of the pressing cover 7 is smaller than that of the spring expansion sheet 4; the excircle of the pull rod 6 is matched with the shaft hole of the clamp body 3. The outer diameters of the pressing cover 7 and the spring expansion sheet 4 are limited, the machining of the right differential shell hole 12 and the end face by a cutter cannot be influenced, the outer circle of the pull rod 6 is not easy to loosen the pull rod 6 due to the matching of the outer circle of the pull rod 6 and the clamp body 3, and the accuracy of positioning can be guaranteed.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. A bevel gear differential shell hole machining device is characterized by comprising a connecting plate (1), a clamp body (3), a spring expansion sheet (4), a pull rod (6), a pressing cover (7) and a cushion block (8); the clamp body (3) is installed on the right side of the connecting plate (1) through a connecting bolt I (2), a columnar positioning shaft (5) is formed at the right end of the clamp body (3), the spring expansion sheet (4) and the pressing cover (7) are sequentially sleeved on the positioning shaft (5), the right end of the pull rod (6) is fixed on the pressing cover (7) and is flush with the right side of the pressing cover (7), and the left end of the pull rod (6) sequentially penetrates through shaft holes of the clamp body (3) and the connecting plate (1) and extends out of the left side of the connecting plate (1); the cushion block (8) is connected to the right end face of the clamp body (3) through a connecting bolt II (9); the spring expansion piece (4) comprises a left ring piece and a right ring piece, the left ring piece and the right ring piece are connected through filling rubber, a shaft hole is formed in the middle of the left ring piece and the right ring piece, the shaft hole is matched with the positioning shaft of the clamp body, and the outer diameter of the spring expansion piece (4) is matched with a left differential shell hole of the processed gear.
2. The bevel gear differential housing hole machining device according to claim 1, characterized in that the outer diameter of the pressing cover (7) is smaller than the outer diameter of the spring expansion piece (4).
3. The bevel gear differential housing bore machining device according to claim 1, characterized in that the length of the positioning shaft (5) is greater than the axial length of the spring expansion plate (4).
4. The bevel gear differential housing hole machining device according to claim 1, characterized in that the length of the positioning shaft (5) is smaller than the sum of the axial length of the spring expansion piece (4) and the axial length of the mounting groove of the pressing cover (7).
5. The bevel gear differential housing hole machining device according to claim 1, characterized in that the outer circle of the tie rod (6) matches the shaft hole of the clamp body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022149508.1U CN213497877U (en) | 2020-09-27 | 2020-09-27 | Bevel gear differential shell hole machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022149508.1U CN213497877U (en) | 2020-09-27 | 2020-09-27 | Bevel gear differential shell hole machining device |
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| CN213497877U true CN213497877U (en) | 2021-06-22 |
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| CN202022149508.1U Active CN213497877U (en) | 2020-09-27 | 2020-09-27 | Bevel gear differential shell hole machining device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139841A (en) * | 2020-09-27 | 2020-12-29 | 桂林福达齿轮有限公司 | Bevel gear differential shell hole machining device and using method |
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2020
- 2020-09-27 CN CN202022149508.1U patent/CN213497877U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139841A (en) * | 2020-09-27 | 2020-12-29 | 桂林福达齿轮有限公司 | Bevel gear differential shell hole machining device and using method |
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