CN209910575U

CN209910575U - Herringbone tooth symmetry detection measuring tool

Info

Publication number: CN209910575U
Application number: CN201920943156.1U
Authority: CN
Inventors: 朱桐清
Original assignee: Jiangjin District Chongqing City He Feng Machinery Co Ltd
Current assignee: Jiangjin District Chongqing City He Feng Machinery Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-01-07
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a herringbone tooth symmetry detects measuring tool, which comprises a supporting rack, the support frame is connected with first locating piece and second locating piece, first locating piece with the support frame is kept away from set up first survey pinion rack between the tip of second locating piece, the second locating piece with the support frame is kept away from set up second survey pinion rack between the tip of first locating piece, first survey pinion rack with the support frame is kept away from set up first addendum supporting shoe between the tip of second locating piece, second survey pinion rack with the support frame is kept away from set up second addendum supporting block between the tip of first locating piece. The utility model discloses a herringbone tooth symmetry detects measuring tool detects the herringbone tooth symmetry error sketch map through slide caliper and measures the back, can know the actual symmetry error of herringbone tooth.

Description

Herringbone tooth symmetry detection measuring tool

Technical Field

The invention relates to the field of machinery, in particular to a herringbone tooth symmetry degree detection measuring tool.

Background

In the symmetry degree of herringbone teeth on a common hobbing machine, after one turning tooth is generally rolled in the machining process, a machining datum line of the corresponding tooth is determined by marking, and because the actual error value after hobbing cannot be known exactly by adopting visual inspection, under the condition, after three-coordinate detection, the reserved quantity of the tooth end of a vehicle is up to the symmetry of the herringbone teeth. Obviously, the method can not measure the error of the hobbing at any time, and has the problems of complicated processing procedures, obviously increased turnover times of parts, low production efficiency and the like.

Disclosure of Invention

In view of this, the invention aims to provide a herringbone tooth symmetry degree detection measuring tool, which can conveniently detect the symmetrical error of the herringbone tooth, and has the advantages of intuition after detection, high precision, good reliability and low detection cost.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a herringbone tooth symmetry detects measuring tool, includes the support frame, the support frame is connected with first locating piece and second locating piece, first locating piece with the support frame is kept away from set up first survey pinion rack between the tip of second locating piece, the second locating piece with the support frame is kept away from set up the second between the tip of first locating piece and survey the pinion rack, first survey the pinion rack with the support frame is kept away from set up first tooth top supporting shoe between the tip of second locating piece, the second survey the pinion rack with the support frame is kept away from set up second tooth top supporting block between the tip of first locating piece.

Further, the support frame is provided with at least one key groove along the axial direction of the support frame.

Furthermore, the first positioning block and the second positioning block are connected with the supporting frame in a mode that a boss key I matched with the key groove is inserted into the key groove.

Further, the axial direction of the first positioning block and the axial direction of the second positioning block are perpendicular to the axial direction of the support frame, and both the first positioning block and the second positioning block are in an L shape.

Furthermore, the tops of the first positioning block and the second positioning block are connected with a fastener I.

Further, first survey pinion rack and second survey pinion rack all pass through boss key II and the setting of keyway adaptation are in the fastening block at first survey pinion rack and second survey pinion rack both ends with the support frame is connected.

Further, a connecting plate is arranged between the fastening blocks.

Further, the first tooth top supporting block and the second tooth top supporting block are connected with the supporting frame through a boss key III and a fastener II which are matched with the key groove.

Furthermore, the bottoms of the first tooth top supporting block and the second tooth top supporting block are both connected with supporting clamps, and the supporting clamps are in a square groove curved surface shape.

Furthermore, the first survey pinion rack and the inside locating lever that sets up of second survey pinion rack, just the locating lever is close to the one end of connecting plate stretches out the connecting plate, and stretch out the one end of connecting plate is connected with the steel ball.

The invention has the beneficial effects that:

the utility model discloses a herringbone tooth symmetry detects measuring tool detects the herringbone tooth symmetry error sketch map through slide caliper and measures the back, can know the actual symmetry error of herringbone tooth. When a gear hobbing machine (or a gear grinding machine) processes a left end gear (a left-handed gear is at the upper end) in the production process, if the measured length is 1mm longer than the symmetry of a right-handed gear after a finished product, the machine tool moves downwards by 1mm in the Z-direction initial coordinate (axial direction), and the gear hobbing machine (or the gear grinding machine) performs feed processing in the radial direction (X-direction) according to the normal condition, so that the requirement on the symmetry of the left-handed herringbone gear and the right-handed herringbone gear can be met.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.

Drawings

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the measurement of the present invention;

FIG. 4 is a schematic diagram of a vernier caliper for detecting a symmetry error of a herringbone tooth;

FIG. 5 is a schematic diagram of symmetry of a detection herringbone tooth (measuring an ultra-wide herringbone tooth slot) in the invention;

FIG. 6 is a top view of the measuring tool (measuring the ultra-wide herringbone tooth spaces) of the present invention;

FIG. 7 is a side view of the measuring tool of the present invention (measuring an ultra-wide herringbone tooth slot).

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.

According to the figure 1, the invention provides a herringbone tooth symmetry degree detection measuring tool, which comprises a support frame 1, wherein a double-key groove 6 is formed in the support frame 1 along the axial direction of the support frame 1, the support frame 1 is connected with a first positioning block 2 and a second positioning block 3, the axial directions of the first positioning block 2 and the second positioning block 3 are perpendicular to the axial direction of the support frame 1, and are both in an L shape, a first tooth measuring plate 4 is arranged between the first positioning block 2 and the end part of the support frame 1 far away from the second positioning block 3, a second tooth measuring plate 5 is arranged between the second positioning block 3 and the end part of the support frame 1 far away from the first positioning block 2, a first tooth top supporting block 16 is arranged between the first tooth measuring plate 4 and the end part of the support frame 1 far away from the second positioning block 3, and a second tooth top supporting block 17 is arranged between the second tooth measuring plate 5 and the end part of the support frame 1 far away. First locating piece 2 and second locating piece 3 all insert the mode of keyway 6 through the boss key I7 with 6 adaptations of keyway and be connected with support frame 1, and simultaneously, first locating

piece

2 and 3 tops of second locating piece are connected with fastener I8, through fastener I8 for first locating piece 2 and second locating piece 3 are connected more tightly with support frame 1. Fastener I8 includes a butterfly screw and a washer. First survey pinion rack 4 and second survey pinion rack 5 all are connected with support frame 1 through boss key II 9 with 6 adaptations of keyway and the mounting block 10 that sets up at first survey pinion rack 4 and second survey pinion rack 5 both ends, because support frame 1 has set up two keyways in this embodiment, consequently, first survey pinion rack 4 (second survey pinion rack 5) and mounting block 10 and boss key II have constituted "hill" font, consequently, pinion rack 5 can be surveyed for the axial direction removal of keyway 6 to first survey pinion rack 4 and second, be provided with connecting plate 11 between the mounting block 10, the length of connecting plate 11 is greater than the width of support frame 1, connecting plate 11 is connected through butterfly screw and gasket with first survey pinion rack 4 (second survey pinion rack 5). The first and second

crest support blocks

16 and 17 are connected with the support frame 1 through boss keys III 18 and fasteners II 15 adapted to the keyways 6, and the fasteners II 15 include butterfly screws and washers. As shown in fig. 2, the first crest supporting block 16 and the second crest supporting block 17 are connected at the bottom thereof with a supporting clip 13, and the supporting clip 13 is configured in a square-groove curved surface shape. The first survey pinion rack 4 and the inside locating lever 12 that sets up of second survey pinion rack 5, and the locating lever stretches out connecting plate 11, and the one end that stretches out connecting plate 11 of locating lever 12 is connected with steel ball 14, has a butterfly screw 19 at locating lever 12 right-hand member, plays the fixed effect of surveying pinion rack axial displacement.

The invention has the following action principle:

the left-handed and right-handed double-herringbone-tooth gears limit the axial positions on the support frame through the first positioning block 2 and the second positioning block 3. The radial position of the herringbone teeth is limited by the supporting clip 13 supported on the herringbone tooth tops. When the second tooth measuring plate 5 and the first tooth measuring plate 4 move axially along the herringbone teeth, the steel balls on the two tooth groove positioning rods in different directions on the tooth measuring plates can be freely inserted into the herringbone tooth grooves, and the difference between the steel balls of the two positioning rods and the actual length of the two tooth ends is the symmetry error of the herringbone teeth.

To achieve the above object, the embodiments of the present invention are: as shown in figure 3 of the drawings,

1) as shown in fig. 1;

2) supporting a supporting clamp 13 at the tooth top of the herringbone teeth, attaching a first positioning block 2 and a second positioning block 3 to the tooth end, and respectively tangency of a steel ball 14 of a positioning rod 12 with the tooth profile of the herringbone teeth;

3) as shown in FIG. 4, the difference between the distances between the two herringbone teeth is the symmetry error of the herringbone teeth.

Preferably, in order to meet the requirement of the ultra-wide tooth socket, as shown in fig. 5-7, the 2-person herringbone tooth symmetry degree detection measuring tool is connected through the connecting block or the strip teeth, the first positioning block 2 and the second positioning block 3 are detached from the two positioning blocks, the two positioning blocks are enabled to be symmetrical in the center of the perpendicular line direction of the connecting position, the axes of the double supporting frames are enabled to be coincident, the measurement is carried out according to the operation steps, if the herringbone tooth socket is very wide, the measurement cannot be carried out after the double supporting frame connecting block is connected, the herringbone tooth can be clamped on a lathe, the same side surfaces of the two supporting frames are corrected to be on the same horizontal plane, and the left-right herringbone tooth symmetry error value can be.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. A herringbone tooth symmetry degree detection measuring tool is characterized in that: the supporting frame is connected with a first locating block and a second locating block, the first locating block is far away from the supporting frame, a first tooth measuring plate is arranged between the end portions of the second locating block, the second locating block is far away from the supporting frame, a second tooth measuring plate is arranged between the end portions of the first locating block, the first tooth measuring plate is far away from the supporting frame, a first tooth top supporting block is arranged between the end portions of the second locating block, and the second tooth measuring plate is far away from the supporting frame.

2. The herringbone tooth symmetry degree detection gauge according to claim 1, is characterized in that: the support frame is provided with at least one key groove along the axial direction of the support frame.

3. The herringbone tooth symmetry degree detection gauge according to claim 2, is characterized in that: the first positioning block and the second positioning block are connected with the supporting frame in a mode that a boss key I matched with the key groove is inserted into the key groove.

4. The herringbone tooth symmetry degree detection gauge according to claim 3, wherein: the axial direction of the first positioning block and the axial direction of the second positioning block are perpendicular to the axial direction of the support frame, and the first positioning block and the second positioning block are both in an L shape.

5. The herringbone tooth symmetry degree detection gauge according to claim 4, wherein: and the tops of the first positioning block and the second positioning block are connected with a fastening piece I.

6. The herringbone tooth symmetry degree detection gauge according to claim 2, is characterized in that: first survey pinion rack and second survey pinion rack all through with boss key II and the setting of keyway adaptation are in the fastening block at first survey pinion rack and second survey pinion rack both ends with the support frame is connected.

7. The herringbone tooth symmetry degree detection gauge according to claim 6, wherein: and a connecting plate is arranged between the fastening blocks.

8. The herringbone tooth symmetry degree detection gauge according to claim 2, is characterized in that: the first tooth top supporting block and the second tooth top supporting block are connected with the supporting frame through a boss key III and a fastener II which are matched with the key groove.

9. The herringbone tooth symmetry degree detection gauge according to claim 8, wherein: the bottom of the first tooth top supporting block and the bottom of the second tooth top supporting block are both connected with supporting clamps, and the supporting clamps are of square groove curved surface shapes.

10. The herringbone tooth symmetry degree detection gauge according to claim 7, wherein: the first survey pinion rack and the inside locating lever that sets up of second survey pinion rack, just the locating lever is close to the one end of connecting plate stretches out the connecting plate, and stretch out the one end of connecting plate is connected with the steel ball.