CN115488455A

CN115488455A - Gear connecting shaft waste linear cutting machining clamp

Info

Publication number: CN115488455A
Application number: CN202110670788.7A
Authority: CN
Inventors: 杨萍; 徐小飞; 杨磊; 王金凤; 徐亮; 孙姝妍; 章泽轩; 吴天富; 王诺
Original assignee: Anhui Technical College of Mechanical and Electrical Engineering
Current assignee: Anhui Technical College of Mechanical and Electrical Engineering
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-12-20

Abstract

The invention discloses a gear connecting shaft waste product linear cutting machining clamp which comprises a vertical guide rail, a main body plate connecting seat fastening piece, a main body plate and a fastening piece, wherein the main body plate connecting seat moves up and down along the vertical guide rail, the main body plate and the main body plate connecting seat form an integrated structure, the main body plate is provided with a gear placing hole, a linear cutting tool aligning hole, a linear cutting wire walking path and a main body plate central line, two ends of the linear cutting wire walking path are respectively communicated with the linear cutting tool aligning hole and the gear placing hole, the gear placing hole is provided with a first positioning edge and a second positioning edge, and the first positioning edge and the second positioning edge take the main body plate central line as a symmetry axis. The waste linear cutting machining clamp for the gear connecting shaft part adopts the structure, can machine the scrapped gear connecting shaft part into the straight gear connecting shaft part with smaller diameter for use through linear cutting, does not need to separate the damaged gear from the shaft, and reduces the manufacturing cost.

Description

Gear connecting shaft waste linear cutting machining clamp

Technical Field

The invention relates to the field of linear cutting, in particular to a waste linear cutting machining clamp for a gear connecting shaft.

Background

At present, more than 95 percent of electric spark wire cutting machines at home and abroad adopt numerical control, and adopt a digital automatic control technology to drive the machine tool to automatically finish machining a spur gear according to a numerical control machining program preset and programmed according to geometric parameters of a workpiece before machining. The gear transmission has wide application field, the gear transmission damage is mainly the damage of the swing tooth, the damage forms include pitting, breaking, abrasion, plastic deformation and gluing, and the damage is serious and can only be discarded. The gear connecting shaft piece waste products refer to gear connecting shaft pieces which are formed by that gear teeth are seriously damaged, gears cannot be used and are scrapped, and damaged gears are still assembled on a shaft, and the gears of the gear connecting shaft piece waste products can be straight gears or helical gears. If the gear of the gear connecting shaft waste is used as a blank to be cut and processed into a straight gear with a smaller diameter for reuse, a gear connecting shaft waste linear cutting processing clamp is needed, and if the gear of the gear connecting shaft waste is used as a blank to be cut and processed according to a conventional design idea, the tool setting offset value in the Y direction cannot be determined. At present, no gear connecting shaft waste linear cutting machining clamp exists, and gears of the gear connecting shaft waste can be cut and machined into straight gears as blanks in a linear cutting mode under the condition that the gears and shafts of the gear connecting shaft waste are not separated.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a gear coupling shaft piece waste product wire-electrode cutting adds clamping apparatus, this kind of gear coupling shaft piece waste product wire-electrode cutting adds clamping apparatus's use can be under the gear of gear coupling shaft piece waste product and the inseparable state of axle, with the gear of gear coupling shaft piece waste product as the straight-teeth gear of blank wire-electrode cutting processing.

To solve the technical problem, the technical scheme of the invention is as follows: the utility model provides a gear even axle piece waste product wire-electrode cutting adds clamping apparatus, its includes vertical guide rail, main part plate connecting seat fastening piece, main part plate and fastener, main part plate connecting seat and vertical guide rail suit, and main part plate connecting seat shifts from top to bottom along vertical guide rail, has main part plate connecting seat fastening piece between main part plate connecting seat and the vertical guide rail, main part plate and main part plate connecting seat be structure for forming an organic whole, the main part plate have gear place the hole, wire-electrode cutting tool setting hole, wire-electrode cutting silk pavement, the first long limit of main part plate, main part plate second long limit and main part plate central line, the first long limit of main part plate, main part plate second long strip limit of main part plate are perpendicular to main part plate central line respectively, the both ends of wire-electrode cutting silk pavement communicate wire-electrode cutting tool setting hole and gear place the hole respectively, the central line of wire-electrode cutting silk pavement coincide with main part plate central line, main part plate second long strip limit be close to wire-electrode cutting tool setting hole, the fastener is located main part first long strip limit one side and arranges along the main part central line, gear place the hole be provided with first location limit and second long strip location central line of line, the central line location of main part is located the intersection point on the extension line.

The fastener comprises a bolt and an arc pressing strip, the arc pressing strip is located in the gear placing hole, and the arc pressing strip is fixedly connected to the end portion of the bolt.

And a wire cutting wire channel is arranged between the wire cutting tool aligning hole and the second strip edge of the main body plate.

The included angle between the first positioning edge and the central line of the main body plate is 45 degrees or 60 degrees.

The invention relates to a gear connecting shaft waste linear cutting machining clamp which adopts a structure that a gear placing hole of a main body plate is provided with a first positioning edge and a second positioning edge which take the central line of the main body plate as a symmetrical shaft, gears of gear connecting shaft waste are tangent to the first positioning edge and the second positioning edge, the linear cutting tool aligning hole, a linear cutting wire walking path and the included angle between the first positioning edge and the central line of the main body plate are known, although the gear teeth of the gears of the gear connecting shaft waste are damaged, the maximum radius of the gears of the gear connecting shaft waste can be known, the tool setting offset value in the Y direction of a wire cutting machining coordinate system can be accurately calculated according to the maximum radius of the gears of the gear connecting shaft waste, the technical problem that the tool setting offset value in the Y direction of the gear linear cutting machining coordinate system of the gear connecting shaft waste can not be determined is solved, the scrapped gear connecting shaft can be machined into a straight gear connecting shaft with a small diameter through linear cutting without separating the damaged gears from a shaft, and the manufacturing cost is reduced.

Drawings

The invention further details the waste wire cutting processing clamp for the gear connecting shaft part in combination with the attached drawings;

FIG. 1 is a schematic structural view of a scrap wire-electrode cutting machining fixture for gear coupling parts according to a first embodiment of the invention;

FIG. 2 is a schematic structural view of a scrap wire-electrode cutting machining fixture for gear coupling parts according to a second embodiment of the present invention;

in fig. 1 and 2, 1 is a main body plate; 2. a second long edge of the main body plate; 3. a wire cutting wire channel; 4. cutting a tool aligning hole in a linear mode; 5. a first positioning edge; 6. a second positioning edge; 7. a gear placement hole; 8. a fastener; 9. a first long edge of the main body plate; 10. the central line of the main body plate; 11. a wire cutting wire walkway; 12. a main body plate connecting seat; 13. the main body plate connecting seat is a fastening piece; 14. a vertical guide rail.

Detailed Description

As shown in fig. 1, in the first embodiment of the waste wire cutting and machining clamp for gear coupling shaft according to the present invention, the waste wire cutting and machining clamp for gear coupling shaft includes a vertical guide rail 14, a main body plate connecting seat 12, a main body plate connecting seat fastening member 13, a main body plate 1 and a fastening member 8, the main body plate connecting seat 12 is adapted to the vertical guide rail 14, the main body plate connecting seat 12 moves up and down along the vertical guide rail 14, the main body plate connecting seat fastening member 13 is provided between the main body plate connecting seat 12 and the vertical guide rail 14, and the main body plate connecting seat 12 is fixed to the vertical guide rail 14 by the main body plate connecting seat fastening member 13. The main body plate 1 and the main body plate connecting seat 12 are of an integrated structure, the main body plate 1 is provided with a gear placing hole 7, a wire cutting tool aligning hole 4, a wire cutting wire walking path 11, a first main body plate long edge 9, a second main body plate long edge 2 and a main body plate central line 10, the first main body plate long edge 9, the second main body plate long edge 2 is perpendicular to the main body plate central line 10 respectively, two ends of the wire cutting wire walking path 11 are communicated with the wire cutting tool aligning hole 4 and the gear placing hole 7 respectively, the central line of the wire cutting wire walking path 11 is superposed with the main body plate central line 10, the second main body plate long edge 2 is close to the wire cutting tool aligning hole 4, the fastener 8 is located on one side of the first main body plate long edge 9 and arranged along the main body plate central line 10, the fastener 8 comprises a bolt and an arc-shaped pressing strip, the arc-shaped pressing strip is located in the gear placing hole 7, and the arc-shaped pressing strip is fixedly connected to the end of the bolt. The gear placing hole 7 is provided with a first positioning edge 5 and a second positioning edge 6, the first positioning edge 5 and the second positioning edge 6 use the central line of a main plate block as a symmetry axis, and the intersection point of the extension line of the first positioning edge 5 and the extension line of the second positioning edge 6 is positioned on the central line of the linear cutting wire walking path 11.

During the use, main part plate 1 can reciprocate on vertical guide 14 together with main part plate connecting seat 12, place the gear of gear connecting shaft spare product in gear placing hole 7, fastener 8 makes the gear of gear connecting shaft spare product tangent with first location limit 5 and second location limit 6, the wire-electrode cutting is to sword hole and wire-electrode cutting silk pavement, first location limit and main part plate central line contained angle all know, the gear of gear connecting shaft spare product is damaged though the teeth of a cogwheel, but the maximum radius of the gear of gear connecting shaft spare product can know, just can be according to the gear connecting shaft spare gear maximum radius accurate calculation line cutting process coordinate system's Y direction to the sword offset value, for the convenience of calculation, the contained angle of first location limit 5 and main part plate central line 10 adopts 45 degrees or 60 degrees.

As shown in fig. 2, in the second embodiment of the fixture for linear cutting and processing of gear coupling shaft waste of the present invention, the structure of the fixture for linear cutting and processing of gear coupling shaft waste is substantially the same as that of the first embodiment, except that a wire cutting wire channel 3 is provided between the wire cutting tool counter hole 4 and the second long side 2 of the main body plate, so that the cutting wire on the numerical control wire cutting machine enters the gear placing hole 7 directly from outside the main body plate 1.

Claims

1. The utility model provides a gear even axle spare wire cut electrical discharge machining anchor clamps which characterized in that: the main body plate is provided with a gear placing hole, a wire cutting tool aligning hole, a wire cutting wire walking path, a main body plate first long edge, a main body plate second long edge and a main body plate central line, the main body plate first long edge and the main body plate second long edge are respectively vertical to the main body plate central line, two ends of the wire cutting wire walking path are respectively communicated with the wire cutting tool aligning hole and the gear placing hole, the central line of the wire cutting wire walking path is superposed with the main body plate central line, the main body plate second long edge is close to the wire cutting tool aligning hole, the fastener is positioned on one side of the main body plate first long edge and is arranged along the main body plate central line, the gear placing hole is provided with a first positioning edge and a second positioning edge, the first positioning edge and the second positioning edge are positioned on the extension line of the main body plate, and the extension line of the first positioning edge and the extension line of the main body plate is positioned on the intersection point of the main body plate central line.

2. The wire cutting processing clamp for the gear coupling waste product according to claim 2, characterized in that: the fastener include bolt and arc compress tightly the strip, the arc compresses tightly the strip and is located the gear and places downtheholely, arc compresses tightly the strip rigid coupling in bolt tip.

3. The wire cutting processing clamp for the gear coupling waste product according to claim 2, characterized in that: and a wire cutting wire channel is arranged between the wire cutting tool aligning hole and the second strip edge of the main body plate.

4. The wire cutting processing clamp for the gear coupling waste products according to claim 1, 2 or 3, characterized in that: the included angle between the first positioning edge and the central line of the main body plate is 45 degrees or 60 degrees.