Large-diameter tooth profile verification machining clamping tool

Abstract

The utility model provides a large-diameter tooth profile verification machining clamping tool. The large-diameter tooth profile verification machining clamping tool is characterized in that a pull rod is fixed to the upper surface of a workbench; the mould is a hollow cylinder with a bottom surface, the mould is fixed on the workbench, a through hole is formed in the axis of the bottom surface of the mould, and the pull rod penetrates through the through hole; a shaft hole of the tool blank is sleeved outside the pull rod, and a workpiece gear is horizontally placed on the upper end face of the mould; a shaft hole of a conical pressing plate is sleeved outside the pull rod, and the conical pressing plate is horizontally placed on the upper end face of the workpiece gear; the top surface of the conical-surface pressing plate is provided with a coaxial conical-surface recess, a conical-surface nut with a conical-surface bulge at the top end is screwed into the threaded section at the tail end of the pull rod, the conical-surface bulge is embedded into the conical-surface recess, the conical-surface pressing plate is pressed by the conical-surface nut, the tool blank is pressed by the conical-surface pressing plate, and the tool blank pressing mould is arranged on the workbench; the fan-shaped panel is fixed to the upper end face of the tool blank, and the outer arc face of the fan-shaped panel is located outside the peripheral face of the tool blank. According to the utility model, the tooth profile verification cost of the large-diameter gear is reduced.

Description

Technical Field

[0001] The utility model relates to the field of tooling, in particular to a large-diameter tooth profile verification processing clamping tooling. Background Art

[0002] Wind power generation has developed rapidly in recent years due to its advantages such as zero pollution and low construction cost.

[0003] In wind turbine gearboxes, large-diameter gear tooth profiles need to be hobbed to verify whether they meet design requirements. This requires larger experimental blanks for verification, which is very costly. Utility Model Content

[0004] The utility model provides a large-diameter gear profile verification processing clamping tool, which aims to solve the shortcomings of the prior art and reduce the cost of large-diameter gear profile verification.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] Large diameter tooth profile verification processing fixture, characterized by:

[0007] The pull rod is fixed on the upper surface of the workbench; the jig is a hollow cylindrical body with a bottom surface, the jig is fixed on the workbench, and a through hole is opened at the axis center of the bottom surface of the jig, and the pull rod passes through the through hole;

[0008] The shaft hole of the tooling blank is sleeved outside the drawbar, and the workpiece gear is placed horizontally on the upper end surface of the jig;

[0009] The axial hole of the conical pressure plate is sleeved outside the pull rod, and the conical pressure plate is horizontally placed on the upper end surface of the workpiece gear;

[0010] The top surface of the conical pressure plate has a coaxial conical depression, a conical nut with a conical protrusion on the top is screwed into the threaded section of the rear end of the tie rod, the conical protrusion is embedded in the conical depression, the conical nut presses the conical pressure plate, the conical pressure plate presses the tooling blank, and the tooling blank presses the mold on the workbench;

[0011] The fan-shaped panel is fixed on the upper end surface of the tool blank, and the outer arc surface of the fan-shaped panel is located outside the outer peripheral surface of the tool blank.

[0012] The bolts pass through the through holes of the fan-shaped panel and are screwed into the screw holes of the tooling blank. The positioning pins pass through the through holes of the fan-shaped panel and are inserted into the concave holes of the tooling blank, thereby fixing the fan-shaped panel to the tooling blank.

[0013] The outer arc surface of the fan-shaped panel is coaxial with the pull rod.

[0014] The top edge of the mold is provided with an annular convex wall, and a through hole is provided on the annular convex wall. The connecting screw passes through the through hole and is screwed into the screw hole provided on the upper surface of the workbench to fix the mold on the workbench.

[0015] The through holes are evenly distributed on the circumference of the annular protrusion.

[0016] The conical pressure plate, tooling blank, jig and pull rod are coaxial.

[0017] The utility model is beneficial in that:

[0018] The utility model uses a sector-shaped panel to roll a required tooth shape, and reliably clamps the sector-shaped panel to verify whether the tooth shape meets the requirements by measuring the tooth shape. The sector-shaped panel is thin and small in area, and the blank for verifying the large-diameter tooth shape can be omitted, thereby reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the structure of the utility model. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the technical solution of the utility model, the following will briefly introduce the drawings required for the description. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other embodiments can be obtained based on these drawings without creative work. In order to facilitate the understanding of the utility model, the following will be combined with the drawings and specific embodiments to explain the utility model in more detail.

[0022] The use process of the utility model tooling: Figure 1 As shown:

[0023] 1. The pull rod head 61 of the pull rod 6 is inserted downward into the T-shaped groove 91 on the upper surface of the workbench 9;

[0024] 2. The jig 4 is a hollow cylindrical body with a bottom surface 41. A through hole 42 is provided at the axis of the bottom surface 41. The top edge of the jig 4 has an annular convex wall 43. Four through holes 44 are provided on the annular convex wall 43. The pull rod 6 passes through the through hole 42 of the bottom surface 41 of the jig 4. The connecting screw 5 passes through the through hole 44 and is screwed into the screw hole 92 provided on the upper surface of the workbench 9 to fix the jig 4 to the workbench 9.

[0025] 3. The shaft hole 81 of the tooling blank 8 is sleeved outside the tie rod 6, and the workpiece gear 8 is horizontally placed on the upper end surface of the mold 4; 4. The shaft hole 100 of the conical pressure plate 10 is sleeved outside the tie rod 6, and the conical pressure plate 10 is horizontally placed on the upper end surface of the workpiece gear 3;

[0026] 5. The conical pressure plate 10, the tooling blank 8, the jig 4, and the pull rod 6 are coaxial;

[0027] 6. The top surface of the conical pressure plate 10 has a coaxial conical depression 101, and a conical nut 7 with a conical protrusion 71 on the top is screwed into the threaded section of the tail end of the pull rod 6, and the conical protrusion 71 is embedded in the conical depression 101. The conical nut 7 presses the conical pressure plate 10, and the conical pressure plate 10 presses the tooling blank 8, and the tooling blank 8 presses the jig 4 on the workbench 9; 7. The fan-shaped panel 3 is placed on the upper end surface of the tooling blank 8, and the bolt 1 passes through the through hole 31 of the fan-shaped panel 3 and is screwed into the screw hole 83 of the tooling blank 8, and the positioning pin 2 passes through the through hole 32 of the fan-shaped panel 3 and is inserted into the concave hole 83 of the tooling blank 8, so that the fan-shaped panel 3 is fixedly connected to the tooling blank 8 by the positioning pin 2 and the bolt 1; and,

[0028] The outer arc surface 30 of the sector-shaped panel 3 is located outside the outer peripheral surface 80 of the tooling blank 8 , and the outer arc surface 30 of the sector-shaped panel 3 is coaxial with the pull rod 6 .

[0029] 8. After clamping and tightening, the tooth profile processing can be carried out on the fan-shaped panel 3.

[0030] The structure of the utility model enables the tooling blank 8 and the fan-shaped panel 3 to be fastened on the workbench 9. The tooling blank 8 provides the thickness, and the fan-shaped panel 3 provides the basis for the existence of the tooth shape. While reducing a lot of area compared with the large-diameter tooth-shaped blank, the purpose of tooth shape verification can also be achieved, and the verification of the large-diameter tooth-shaped blank can be omitted, thereby reducing costs.

[0031] It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more centered elements can exist between them. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more centered elements can exist between them. The terms "upper", "lower", "inner", "outer", "bottom", etc. used in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0032] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the embodiments can be referred to each other. The above description of the disclosed embodiments enables professionals and technicians in this field to implement or use the utility model. Various modifications to these embodiments will be obvious to professionals and technicians in this field, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. Large diameter tooth profile verification processing fixture, characterized by: The pull rod is fixed on the upper surface of the workbench; the jig is a hollow cylindrical body with a bottom surface, the jig is fixed on the workbench, and a through hole is opened at the axis center of the bottom surface of the jig, and the pull rod passes through the through hole; the axial hole of the tooling blank is sleeved outside the pull rod, and the workpiece gear is placed horizontally on the upper end surface of the jig; the axial hole of the conical pressure plate is sleeved outside the pull rod, and the conical pressure plate is placed horizontally on the upper end surface of the workpiece gear; the top surface of the conical pressure plate has a coaxial conical depression, and a conical nut with a conical protrusion on the top is screwed into the threaded section of the tail end of the pull rod, and the conical protrusion is embedded in the conical depression, and the conical nut presses the conical pressure plate, the conical pressure plate presses the tooling blank, and the tooling blank presses the jig on the workbench; the fan-shaped panel is fixed on the upper end surface of the tooling blank, and the outer arc surface of the fan-shaped panel is located outside the outer peripheral surface of the tooling blank.

2. The large diameter tooth profile verification processing fixture as claimed in claim 1, characterized in that: The bolts pass through the through holes of the fan-shaped panel and are screwed into the screw holes of the tooling blank. The positioning pins pass through the through holes of the fan-shaped panel and are inserted into the concave holes of the tooling blank, thereby fixing the fan-shaped panel to the tooling blank.

3. The large diameter tooth profile verification processing fixture as claimed in claim 1, characterized in that: The outer arc surface of the fan-shaped panel is coaxial with the pull rod.

4. The large diameter tooth profile verification processing fixture as claimed in claim 1, characterized in that: The pull rod head of the pull rod is downwardly inserted into a T-shaped groove clamped on the upper surface of the workbench.

5. The large diameter tooth profile verification processing fixture as claimed in claim 1, characterized in that: The top edge of the mold is provided with an annular convex wall, and a through hole is provided on the annular convex wall. The connecting screw passes through the through hole and is screwed into the screw hole provided on the upper surface of the workbench to fix the mold on the workbench.

6. The large diameter tooth profile verification processing fixture as claimed in claim 5, characterized in that: The through holes are evenly distributed on the circumference of the annular protrusion.

7. The large diameter tooth profile verification processing fixture as claimed in claim 1, characterized in that: The conical pressure plate, tooling blank, jig and pull rod are coaxial.

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