CN211413942U - Automobile rear axle driving spiral bevel gear machining tool - Google Patents
Automobile rear axle driving spiral bevel gear machining tool Download PDFInfo
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- CN211413942U CN211413942U CN201922254261.7U CN201922254261U CN211413942U CN 211413942 U CN211413942 U CN 211413942U CN 201922254261 U CN201922254261 U CN 201922254261U CN 211413942 U CN211413942 U CN 211413942U
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Abstract
The utility model discloses a car rear axle initiative spiral bevel gear processing frock, including the mount pad the left and right sides of mount pad is fixed with first power device and second power device respectively be provided with two at least first clamp plates on the first power device side by side be provided with two at least second clamp plates on the second power device side by side, first clamp plate sets up with the second clamp plate one-to-one first clamp plate and the inboard of second clamp plate have all seted up C type breach all inlay in the breach and be equipped with the boss, just the inboard edge protrusion of boss in the inboard edge of first clamp plate and second clamp plate V type spacing groove, both sides have been seted up at the middle part of boss the spacing groove sets up in opposite directions. When in use, the labor is saved, the production efficiency is effectively improved, and the workpiece machining precision is higher.
Description
Technical Field
The utility model relates to automobile parts technical field, concretely relates to car rear axle initiative spiral bevel gear processing frock.
Background
With the continuous progress of science and technology and the improvement of the living standard of people, automobiles become necessary products in daily life, and further, the parts of automobile products are greatly increased year by year. The automobile rear axle driving spiral bevel gear is one of key parts for transmitting power of an automobile rear axle main reduction gearbox, and the yield is increased day by day.
After the spiral bevel gear part is forged and formed, the spiral bevel gear part is formed by cutting a forge piece, and the end face of the spiral bevel gear part needs to be milled in the secondary process. However, in the existing machining process for the spiral bevel gear part, due to the fact that the size and geometric tolerance deviation of the forged spiral bevel gear part is large, the spiral bevel gear part is not easy to clamp when a transmission machine tool is used for milling, the positioning is inaccurate, the machining precision angle is caused, and the spiral bevel gear cannot be conveniently and quickly clamped, so that the machining efficiency is influenced.
Therefore, there is a need for a bevel gear machining tool with a simple structure, so as to quickly clamp a bevel gear workpiece and ensure stability during machining, so as to ensure machining accuracy.
Disclosure of Invention
The utility model aims at providing a not enough to prior art, the utility model aims at providing a car rear axle initiative spiral bevel gear processing frock, this frock clamping convenient operation, swift has fine location effect to spiral bevel gear.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a car rear axle initiative spiral bevel gear processing frock which the key lies in: comprises a mounting seat, a first power device and a second power device are respectively fixed on the left side and the right side of the mounting seat, at least two first clamping plates are arranged on the first power device side by side, at least two second clamping plates are arranged on the second power device side by side, the first clamping plates and the second clamping plates are arranged oppositely one by one, the first clamping plate and the second clamping plate can approach or depart from each other under the driving of the first power device and the second power device, c-shaped notches are respectively arranged at the inner sides of the first clamping plate and the second clamping plate, reinforcing blocks are respectively embedded in the notches, and the inner side edge of the reinforcing block protrudes out of the inner side edges of the first clamping plate and the second clamping plate, a V-shaped limiting groove is formed in the middle of the reinforcing block, the limiting grooves on the two sides are oppositely arranged, and a clamping limiting area of the driving spiral bevel gear workpiece is formed between the two limiting grooves;
the structure of the first clamping plate is mirror-symmetrical to that of the second clamping plate, wherein the cross section of the first clamping plate is L-shaped, a plurality of mounting holes are formed in the transverse part of the first clamping plate, the first clamping plate is fixedly connected with the first power device through hexagon socket head cap screws penetrating through the mounting holes, and the vertical part of the first clamping plate is provided with the notch;
the angle of the limiting groove is 60-90 degrees.
Furthermore, the at least two first clamping plates and the second clamping plate are arranged from front to back.
Furthermore, the first clamping plate and the second clamping plate are two, the two first clamping plates are symmetrically arranged on the first power device, and the two second clamping plates are symmetrically arranged on the second power device.
Furthermore, the inner wall of the limiting groove is provided with an anti-skid pad or an anti-skid pattern.
Further, the height of the reinforcing block is 1/2-3/5 of the height of the first clamping plate or the second clamping plate, the width of the reinforcing block is 1/4-1/3 of the width of the first clamping plate or the second clamping plate, and the length of the reinforcing block protruding out of the part of the first clamping plate or the second clamping plate is 4.1 mm.
Furthermore, the reinforcing block is made of hard alloy.
The utility model discloses a show the effect and be: the automatic clamping device is simple in structure and convenient to clamp, replaces the existing manual clamping, can realize the automatic clamping and fixing of the spiral bevel gear by controlling the first power device and the second power device, saves manpower when in use, effectively improves the production efficiency, and enables the overall cost of the spiral bevel gear structure in the production and processing process to be lower; simultaneously, the clamping of the workpiece is firmer due to the at least two first clamping plates and the second clamping plates which are oppositely arranged, the operation stability in the production process is more reliable, the safety is better, and the processing precision of the workpiece is higher.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a left side view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a processing state diagram of the present invention.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 3, a tooling for machining a driving spiral bevel gear of a rear axle of an automobile comprises a mounting base 1, wherein a first power device 2 and a second power device 3 are respectively fixed on the left side and the right side of the mounting base 1, two first clamping plates 4 are arranged on the first power device 2 side by side, two second clamping plates 5 are arranged on the second power device 3 side by side, the first clamping plates 4 and the second clamping plates 5 are arranged in a one-to-one opposite manner, the first clamping plates 4 and the second clamping plates 5 can be close to or far away from each other under the driving of the first power device 2 and the second power device 3, C-shaped notches are respectively arranged on the inner sides of the first clamping plates 4 and the second clamping plates 5, reinforcing blocks 6 are respectively embedded in the notches, and the inner side edges of the reinforcing blocks 6 protrude out of the inner side edges of the first clamping plates 4 and the second clamping plates 5, the middle part of the reinforcing block 6 is provided with a V-shaped limiting groove 7, the limiting grooves 7 on the two sides are oppositely arranged, and a clamping limiting area S of the driving spiral bevel gear workpiece is formed between the two limiting grooves 7.
Preferably, two first clamp plates 4 and second clamp plate 5 all adopt from the past to the arrangement after, and two first clamp plate 4 mirror symmetry set up in on the first power device 2, two second clamp plate 5 mirror symmetry set up in on the second power device 3, be also be provided with two first clamp plates 4 in the past to the back side by side on left first power device 2, be provided with two clamp plates in the past to the back side by side on the second power device 3 on right side to when adding the processing and press from both sides tightly fixedly to two at least points of work piece, thereby make the clamping of work piece more firm, the operating stability in process is more reliable.
Furthermore, the first clamping plate 4 and the second clamping plate 5 have mirror symmetry, the first clamping plate 4 is taken as an example for illustration in the present embodiment, the cross sections of the first clamping plate 4 and the second clamping plate 5 are L-shaped, a plurality of mounting holes are formed in the transverse portion of the first clamping plate 4, the first clamping plate 4 is fixedly connected with the first power device 2 through hexagon socket head cap screws penetrating through the mounting holes, and the notch is formed in the vertical portion of the first clamping plate 4, so that the power device can have good connection strength, and a good clamping effect can be provided for a workpiece.
In this example, the inner wall of the limiting groove 7 is provided with an anti-slip pad or an anti-slip pattern to enhance the stability of clamping the workpiece during processing, and avoid the phenomenon that the processing precision of the workpiece is not satisfied during processing. Preferably, the angle of the limiting groove 7 is 80 °, and of course, the angle of the limiting groove 7 can be adaptively selected according to the size specification of a specific workpiece, so as to provide a better clamping effect for the workpiece.
In this example, the reinforcing block 6 is made of cemented carbide, the height of the reinforcing block 6 is 1/2-3/5 of the height of the first clamping plate 4 or the second clamping plate 5, the width of the reinforcing block 6 is 1/4-1/3 of the width of the first clamping plate 4 or the second clamping plate 5, and the length of the part of the reinforcing block 6 protruding out of the first clamping plate 4 or the second clamping plate 5 is 4.1 mm.
The traditional spiral bevel gear machining mainly comprises the steps of firstly drilling a central hole on a drilling machine, then using a thimble to jack the central hole to machine an end face, the outer diameter of a boss and the like, and finally using a three-jaw chuck to clamp the end face to machine an inner hole and chamfer. The process has obvious defects that the process has multiple working procedures and slow beat, the end surface, the outer diameter of the lug boss and the inner hole are not finished in one working procedure, the repeated clamping error is increased, and the product precision is influenced. In the production process of the tool, referring to the attached figure 4, the tool is firstly installed and fixed between driving main shafts 9 on two sides of a machine tool, then a first power device 2 and a second power device 3 are controlled to drive a first clamping plate 4 and a second clamping plate 5 to be away from each other, then an active spiral bevel gear workpiece 8 to be processed is placed between the first clamping plate 4 and the second clamping plate 5, the first power device 2 and the second power device 3 are controlled to drive the first clamping plate 4 and the second clamping plate 5 to be close to each other, so that the workpiece 8 is clamped and fixed by two V-shaped limiting grooves 7 which are oppositely arranged, then a milling cutter 10 is arranged on the driving main shaft 9 of the machine tool to process two end faces of the workpiece 8, thereby processing the spiral bevel gear workpiece 8 with the required length, then a drilling cutter is replaced to process two end faces of the workpiece 8, namely, central hole processing can be realized by one-time clamping and fixing, and end face milling, and center hole processing can be realized, Two working procedures of center hole processing are carried out, so that the phenomena of low processing efficiency, substandard processing precision and the like caused by the fact that a plurality of devices and multiple clamping are continuously needed in the prior art are avoided.
The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The utility model provides a car rear axle initiative spiral bevel gear processing frock which characterized in that: comprises a mounting seat, a first power device and a second power device are respectively fixed on the left side and the right side of the mounting seat, at least two first clamping plates are arranged on the first power device side by side, at least two second clamping plates are arranged on the second power device side by side, the first clamping plates and the second clamping plates are arranged oppositely one by one, the first clamping plate and the second clamping plate can approach or depart from each other under the driving of the first power device and the second power device, c-shaped notches are respectively arranged at the inner sides of the first clamping plate and the second clamping plate, reinforcing blocks are respectively embedded in the notches, and the inner side edge of the reinforcing block protrudes out of the inner side edges of the first clamping plate and the second clamping plate, a V-shaped limiting groove is formed in the middle of the reinforcing block, the limiting grooves on the two sides are oppositely arranged, and a clamping limiting area of the driving spiral bevel gear workpiece is formed between the two limiting grooves;
the structure of the first clamping plate is mirror-symmetrical to that of the second clamping plate, wherein the cross section of the first clamping plate is L-shaped, a plurality of mounting holes are formed in the transverse part of the first clamping plate, the first clamping plate is fixedly connected with the first power device through hexagon socket head cap screws penetrating through the mounting holes, and the vertical part of the first clamping plate is provided with the notch;
the angle of the limiting groove is 60-90 degrees.
2. The tool for machining the driving spiral bevel gear of the rear axle of the automobile according to claim 1, wherein: the at least two first clamping plates and the second clamping plates are arranged from front to back.
3. The tool for machining the driving spiral bevel gear of the rear axle of the automobile according to claim 2, wherein: the first clamping plate and the second clamping plate are two, the first clamping plate is symmetrically arranged on the first power device, and the second clamping plate is symmetrically arranged on the second power device.
4. The tool for machining the driving spiral bevel gear of the rear axle of the automobile according to claim 1, wherein: and the inner wall of the limiting groove is provided with an anti-skid pad or an anti-skid pattern.
5. The tool for machining the driving spiral bevel gear of the rear axle of the automobile according to claim 1, wherein: the height of the reinforcing block is 1/2-3/5 of the height of the first clamping plate or the second clamping plate, the width of the reinforcing block is 1/4-1/3 of the width of the first clamping plate or the second clamping plate, and the length of the reinforcing block protruding out of the first clamping plate or the second clamping plate is 4.1 mm.
6. The automobile rear axle driving spiral bevel gear machining tool according to claim 1 or 5, characterized in that: the reinforcing block is made of hard alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254261.7U CN211413942U (en) | 2019-12-16 | 2019-12-16 | Automobile rear axle driving spiral bevel gear machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254261.7U CN211413942U (en) | 2019-12-16 | 2019-12-16 | Automobile rear axle driving spiral bevel gear machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211413942U true CN211413942U (en) | 2020-09-04 |
Family
ID=72250394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922254261.7U Active CN211413942U (en) | 2019-12-16 | 2019-12-16 | Automobile rear axle driving spiral bevel gear machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211413942U (en) |
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2019
- 2019-12-16 CN CN201922254261.7U patent/CN211413942U/en active Active
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