CN221695497U - Auxiliary positioning device for gear hobbing of long shaft parts - Google Patents
Auxiliary positioning device for gear hobbing of long shaft parts Download PDFInfo
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- CN221695497U CN221695497U CN202322884267.9U CN202322884267U CN221695497U CN 221695497 U CN221695497 U CN 221695497U CN 202322884267 U CN202322884267 U CN 202322884267U CN 221695497 U CN221695497 U CN 221695497U
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- supporting clamping
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- 230000008093 supporting effect Effects 0.000 claims abstract description 38
- 238000003754 machining Methods 0.000 abstract description 11
- 238000007514 turning Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Abstract
The utility model relates to advanced manufacturing technology and the field of machine tools and equipment, mainly relates to the machining processes of turning, grinding, hobbing and the like of long shaft parts, in particular to an auxiliary positioning device for hobbing of long shaft parts, which comprises the following components: the device comprises a base, a supporting clamping plate and a nut; the base comprises a horizontal plate and a vertical plate which are mutually perpendicular; the base horizontal plate is provided with a plurality of fixing holes and is used for mounting the base on the machine tool through screws; a semicircular notch is formed in one side of the upper end of the base vertical plate, and a plurality of screw holes are formed in the periphery of the semicircular notch; the supporting clamping plate is a semicircular plate, and an arc-shaped notch is formed in the center of the supporting clamping plate; the supporting clamping plate is also provided with a plurality of through holes matched with the screw holes; the screw passes through the through hole and the screw hole to mount the supporting clamping plate on the vertical plate; the arc notch on the supporting clamping plate is used for supporting long-shaft parts.
Description
Technical Field
The utility model relates to the field of advanced manufacturing technology, machine tools and equipment, mainly relates to the machining processes of turning, grinding, hobbing and the like of long-axis parts, and in particular relates to an auxiliary positioning device for hobbing of long-axis parts.
Background
At present, the gear hobbing of the slender shaft spline shaft generally adopts two-top processing or one-clamping-one-top processing, and serious cutter-back phenomenon can occur during gear hobbing, and cutting chatter can occur, so that the tooth surface has roughness deterioration. The equipment that the support frame exists in part is fixed support, can't follow-up with the cutter, and the supporting effect can't satisfy the requirement.
Disclosure of utility model
The purpose of the utility model is that: the auxiliary positioning device for the gear hobbing of the long shaft parts solves the following problems: a. the rigidity of the two processed parts is insufficient; b. the problem of cutter vibration occurs in turning, grinding and gear hobbing, and the smoothness of tooth surface parts is poor; c. the problem of cutting vibration in the rotary machining process of the long shaft parts is solved; d. the parts are machined together along with the cutter, so that an auxiliary supporting effect is achieved.
The technical scheme of the utility model is as follows:
a long shaft type part hobbing processing auxiliary positioning device comprises: the device comprises a base, a supporting clamping plate and a nut;
The base comprises a horizontal plate and a vertical plate which are mutually perpendicular; the base horizontal plate is provided with a plurality of fixing holes and is used for mounting the base on the machine tool through screws;
A semicircular notch is formed in one side of the upper end of the base vertical plate, and a plurality of screw holes are formed in the periphery of the semicircular notch;
The supporting clamping plate is a semicircular plate, and an arc-shaped notch is formed in the center of the supporting clamping plate; the supporting clamping plate is also provided with a plurality of through holes matched with the screw holes;
The screw passes through the through hole and the screw hole to mount the supporting clamping plate on the vertical plate;
The arc notch on the supporting clamping plate is used for supporting long-shaft parts.
Further, the arc notch is matched with the appearance of the long shaft type part to be processed.
Further, the arc of the arc-shaped notch exceeds 180 degrees.
Further, the support clamping plate comprises a series of support clamping plates with different arc-shaped gaps, and the support clamping plates are changed to adapt to different long shaft parts.
Further, a plurality of fixed holes on the base horizontal plate are all oblong holes for adapting to the position adjustment in the base horizontal plane.
Further, the clamping plate is arranged on the base through two top clamps or one clamping and one top clamp.
Compared with the prior art, the utility model has the following technical effects:
At present, aiming at the processing of turning, grinding, hobbing and the like of long-axis parts, a center frame is generally used for fixing, so that the rigidity of the parts in the processing process is ensured, the processing quality is improved, the center frame can not realize compensation, the movement of a cutter is followed, the processing tremble is difficult to eliminate, the clamping stagnation phenomenon easily occurs in the processing, the surface quality of the parts is poor, the processing position is out of tolerance, and the problems are difficult to effectively solve,
According to the utility model, the base and the supporting clamping plate are arranged, the clamping plate can be flexibly adjusted, compensation is realized along with the movement of the part, the supporting rigidity in the part machining process is improved, the machining process can be stabilized, the machining surface roughness is reduced, and the problems are solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, specific drawings of the embodiments will be described.
Fig. 1 is a schematic diagram of a gear hobbing auxiliary positioning device for long shaft parts.
Fig. 2 is a schematic view of a base structure.
FIG. 3 is a schematic view of a support card.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
According to the actual situation, the following diagram is adopted:
1. Design idea of processing auxiliary device
A. Because the parts are subjected to tangential force and axial force simultaneously in the processing processes of turning, grinding, hobbing and the like and the phenomenon of back intermittent fluctuation, the supporting parts of the parts need to be provided with a large-package supporting structure (the package range is larger than 180 degrees), and the design of C-shaped parts is adopted to ensure the stability of support.
B. and the clearance between the supporting part and the part is adjusted, and the gear runout of the part is smaller, so that the clearance is smaller to be matched, and the supporting precision is ensured. The material with higher hardness is selected, so that the situation that the support fails due to larger gap caused by part abrasion in the supporting process is avoided.
C. In order to ensure the processing range of the auxiliary support, the base and the clamping plates are made into a two-body structure, and different clamping plates are selected for adjusting workpieces with different sizes, so that the requirements of different parts are covered.
D. In order to ensure the suitability and coverage of the device, the lower positioning groove is designed into a waist-shaped groove, so that the difference of gear machining positions of different parts is met.
The rigidity of part is increased to the adoption support, processing of cutter is followed to the gear hobbing in-process, at gear hobbing lathe knife rest position, design and lathe knife rest follow-up junction site, use the screw to connect base and support cardboard, at knife rest junction site design base and support cardboard at the in-process of installation, the base can translate with lathe small circle X, Y direction, cardboard and base can Z, Y direction remove, can satisfy the clamping of different diameter parts, adapt to the interference adjustment of hobbing cutter size diameter, the cooperation flexibility has been guaranteed, by supporting cardboard and the little clearance fit of part external diameter, the cardboard can freely slide at the surface of part, guarantee that the supporting cardboard can follow the motion with the cutter in the course of working, can produce certain compensation, avoid the part card to die. The device improves the rigidity of the part in the processing process through the cooperation movement of the supporting clamping plate and the part, ensures the processing quality of the processing surface, saves the clamping and aligning time of the part and ensures that the processing feed can be completed once.
2. The installation process of the processing auxiliary device comprises the following steps:
And the base 3 is arranged at the upper tool rest part of the machine tool, the installation position is adjusted, and the base 3 can move freely in the machining process. The support clamping plate 1 is installed with the base, the support clamping plate 1 is matched with the outer diameter of a part during installation, and the support clamping plate and the base 3 can be preliminarily fastened after free sliding. The part carries out two-top clamping or one-top clamping along with the supporting clamping plate 1, then the clamping plate 1 is slidably mounted on the base, the relevant positions of the clamping plate 1 and the base 3 are matched and adjusted, the X axis of the workbench is moved, the mutual positions of the supporting clamping plate 1 and the base 3 are continuously adapted in the process until the clamping plate processing process is freely moved, and the mounting is completed.
3. The processing auxiliary device comprises the following processing steps:
a. The excircle of the workpiece is required to be ground by an outer mill, the outer mill ensures the consistency of the dimension of the excircle, and the matching clearance between the supporting clamping plate and the workpiece is smaller, so that the stability of the processing auxiliary device is ensured.
B. Because the auxiliary device has larger flexibility, the perpendicularity between the plane of the auxiliary device and the axis of the workpiece is required to be ensured during installation, the first supporting clamping plate 1 is required to be matched with a part during installation, and the auxiliary device slides in a working stroke to check the installation correctness of the auxiliary device, so that the inclination of the follow rest is avoided to produce positioning looseness, and the workpiece is scrapped during severe conditions.
C. The step deviation amount of the machining auxiliary device and the machining tool is calculated according to the size of the tool, the tool outlet position of the tool is calculated, the size of the turning burrs is measured in actual machining, the clamping position of the supporting clamping plate 1 is determined, and the phenomenon of clamping stagnation of burrs of parts in the process is avoided.
The application has the advantages that:
1. The application has reasonable structure and convenient use, can realize the rigid support of parts with various specifications and different sizes, improves the stability of the processing process,
2. The auxiliary processing positioning device can realize small-range movement in X, Y, Z directions, realize rigid compensation technology in the processing process, support the follow-up, and realize flexible implementation support.
The present utility model has been described in detail with reference to the above embodiments, and it should be understood by those skilled in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which are intended to be covered by the scope of the claims.
Claims (6)
1. The utility model provides a major axis class part gear hobbing processing auxiliary positioning device which characterized in that: the device comprises: the device comprises a base, a supporting clamping plate and a nut;
The base comprises a horizontal plate and a vertical plate which are mutually perpendicular; the base horizontal plate is provided with a plurality of fixing holes and is used for mounting the base on the machine tool through screws;
A semicircular notch is formed in one side of the upper end of the base vertical plate, and a plurality of screw holes are formed in the periphery of the semicircular notch;
The supporting clamping plate is a semicircular plate, and an arc-shaped notch is formed in the center of the supporting clamping plate; the supporting clamping plate is also provided with a plurality of through holes matched with the screw holes;
The screw passes through the through hole and the screw hole to mount the supporting clamping plate on the vertical plate;
The arc notch on the supporting clamping plate is used for supporting long-shaft parts.
2. The apparatus according to claim 1, wherein: the arc notch is matched with the appearance of the long shaft type part to be processed.
3. The apparatus according to claim 1, wherein: the radian of the arc-shaped notch exceeds 180 degrees.
4. The apparatus according to claim 1, wherein: the support clamping plate comprises a series of support clamping plates with different arc-shaped gaps, and the support clamping plates are changed to adapt to different long shaft parts.
5. The apparatus according to claim 1, wherein: the base horizontal plate is provided with a plurality of fixing holes which are long round holes and are used for adapting to position adjustment in the base horizontal plane.
6. The apparatus according to claim 1, wherein: the clamping plates are arranged on the base through two top clamps or one clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322884267.9U CN221695497U (en) | 2023-10-25 | 2023-10-25 | Auxiliary positioning device for gear hobbing of long shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322884267.9U CN221695497U (en) | 2023-10-25 | 2023-10-25 | Auxiliary positioning device for gear hobbing of long shaft parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221695497U true CN221695497U (en) | 2024-09-13 |
Family
ID=92644392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322884267.9U Active CN221695497U (en) | 2023-10-25 | 2023-10-25 | Auxiliary positioning device for gear hobbing of long shaft parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221695497U (en) |
-
2023
- 2023-10-25 CN CN202322884267.9U patent/CN221695497U/en active Active
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