CN219572923U

CN219572923U - Gear tooth end chamfer special gauge

Info

Publication number: CN219572923U
Application number: CN202320720730.3U
Authority: CN
Inventors: 倪增良
Original assignee: Zhejiang Kangling Auto Parts Co ltd
Current assignee: Zhejiang Kangling Auto Parts Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-08-22
Anticipated expiration: 2033-03-29

Abstract

The utility model relates to a special gauge for gear tooth end chamfer, which mainly comprises a bottom plate, a base, a pressing plate, a central column, a positioning pin, a spring, a measuring column, a rear plate and a dial indicator; the base is fixed on the bottom plate; the central column is installed in the central hole I; the spring is arranged in the stepped hole and sleeved on the large cylindrical surface, one side of the spring is pressed on the shoulder of the stepped hole, and the other side of the spring is pressed on the shoulder of the column; the pressing plate is arranged on the base, and the measuring head penetrates through the measuring head through hole; the positioning pin is in interference fit with the gear positioning counter bore and penetrates through the gear positioning through hole; the rear plate is fixed on the bottom plate, the dial indicator is fixed on the rear plate, and the measuring head of the dial indicator is in contact with the end face of the measuring column. The beneficial effects of the utility model are as follows: the measuring head can accurately enter the chamfering space of the gear to be measured, and whether the chamfering of the gear tooth end is out of tolerance can be rapidly judged, so that the production and detection efficiency is improved.

Description

Gear tooth end chamfer special gauge

Technical Field

The utility model relates to a mechanical detection device, in particular to a special detection tool for chamfering gear tooth ends.

Background

Gears are a very versatile part. In order to enable the gears to be smoothly meshed for starting work, high requirements are put on the machining precision of chamfering of gear tooth ends. The chamfer size of the gear to be detected is three-dimensional space size, and the chamfer space is small, so that great difficulty is brought to detection. The traditional detection needs special three-coordinates of detection equipment, and the defects of three-coordinate detection are high detection cost and low detection efficiency.

Disclosure of Invention

In order to solve the problems, the utility model provides a special gauge for chamfering gear tooth ends.

The technical scheme adopted by the utility model is as follows:

the special gauge for the gear tooth end chamfer mainly comprises a bottom plate, a base, a pressing plate, a central column, a positioning pin, a spring, a measuring column, a rear plate and a dial indicator; the bottom plate is provided with a groove-shaped counter bore and 2 counter bores respectively; the base is provided with a central hole I, a stepped hole, a gear positioning counter bore and a positioning through hole I, 4 threaded through holes are uniformly distributed on the outer side of the central hole I, and the other side surface of the base is provided with 2 threaded holes I; the pressing plate corresponds to the base and is also provided with a central hole II, a measuring head through hole, a gear positioning through hole, a positioning through hole II and 4 through holes; the measuring column is provided with a large cylindrical surface, a column shoulder, a small cylindrical surface and a measuring head; the side surface of the rear plate is provided with a measuring head through hole, and the other side surface of the rear plate is provided with 2 threaded holes II; the base is fixed on the bottom plate through bolts; the central column is arranged in the central hole I and is in interference fit with the central hole I; the spring is arranged in the stepped hole and sleeved on the large cylindrical surface, one side of the spring is pressed on the shoulder of the stepped hole, and the other side of the spring is pressed on the shoulder of the column; the pressing plate is fixedly arranged on the base by adopting pins for positioning and screws, and the measuring head penetrates through the measuring head through hole; the positioning pin is in interference fit with the gear positioning counter bore and penetrates through the gear positioning through hole; the rear plate is fixed on the bottom plate by bolts, the dial indicator is fixed on the rear plate by fastening bolts, and the measuring head of the dial indicator is in contact with the end face of the measuring column.

The beneficial effects of the utility model are as follows: by adopting the special gauge for the gear tooth end chamfer, whether the gear tooth end chamfer is out of tolerance can be rapidly judged by only sleeving the gear to be measured into the central column through the dial indicator, so that the production and detection efficiency is improved, the detection cost is reduced, and meanwhile, the gauge has the advantages of simple structure, rapid operation and the like.

Drawings

The following is further described in connection with the figures of the present utility model:

fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a base structure diagram.

Fig. 3 is a rear plate structure diagram.

Fig. 4 is a bottom plate structure diagram.

Fig. 5 is a gland structure diagram.

Fig. 6 is a diagram of a column structure.

Fig. 7 is a block diagram of a dowel.

Fig. 8 is a center pillar structure diagram.

Fig. 9 is a top view of the structure of the present utility model.

In the drawings, 1, a bottom plate, 2, a base, 3, a pressing plate, 4, a center post, 5, a locating pin, 6, a spring, 7, a measuring post, 8, a rear plate, 9, a dial indicator, 10, an alternative measuring gear, 11, a grooved counter bore, 12, a counter bore, 21, a threaded through hole, 22, a center hole I,23, a stepped hole, 24, a gear locating counter bore, 25, a locating through hole I,26, a threaded hole I,31, a through hole, 32, a measuring head through hole, 33, a center hole II,34, a gear locating through hole, 35, a locating through hole II,71, a large cylindrical surface, 72, a cylindrical shoulder, 73, a small cylindrical surface, 74, a measuring head, 81, a measuring head through hole, 82 and a threaded hole II.

Detailed Description

The special gauge for the gear tooth end chamfer mainly comprises a bottom plate 1, a base 2, a pressing plate 3, a central column 4, a positioning pin 5, a spring 6, a measuring column 7, a rear plate 8 and a dial indicator 9; the bottom plate 1 is provided with 2 groove-shaped counter bores 11 and 12 respectively; the base 2 is provided with a central hole I22, a stepped hole 23, a gear positioning counter bore 24 and a positioning through hole I25, 4 threaded through holes 21 are uniformly distributed on the outer side of the central hole I22, and 2 threaded holes I26 are formed in the other side face of the base 2; the pressing plate 3 corresponds to the base 2 and is also provided with a central hole II33, a measuring head through hole 32, a gear positioning through hole 34, a positioning through hole II35 and 4 through holes 31; the measuring column 7 is provided with a large cylindrical surface 71, a column shoulder 72, a small cylindrical surface 73 and a measuring head 74; the side surface of the rear plate 8 is provided with a measuring head through hole 81, and the other side surface is provided with 2 threaded holes II82; the base 2 is fixed on the bottom plate 1 through bolts; the central column 4 is installed in the central hole I22 and is in interference fit with the central hole I; the spring 6 is arranged in the stepped hole 23 and sleeved on the large cylindrical surface 71, one side of the spring is pressed on the shoulder of the stepped hole 23, and the other side is pressed on the shoulder 72; the pressing plate 3 is fixedly arranged on the base 2 by adopting pins for positioning and screws, and the measuring head 74 passes through the measuring head through hole 32; the locating pin 5 is in interference fit with the gear locating counter bore 24 and penetrates through the gear locating through hole 34; the rear plate 8 is fixed on the bottom plate 1 by bolts, the dial indicator 9 is fixed on the rear plate 8 by fastening bolts, and the measuring head of the dial indicator 9 is in contact with the end face of the measuring column 7.

When the special gear tooth end chamfering gauge is used, firstly loosening a bolt for fixing the dial indicator 9, adjusting the position of the dial indicator 9 and calibrating; then selecting the positioning pins 5 corresponding to the two tooth widths of the gear 10 to be measured, so as to play a role in positioning; and then, one side of the standby gear 10 with the tooth end chamfer is inwards penetrated through the center column 4, the standby gear 10 is lightly pressed to be abutted against the pressing plate 3, the measuring head 74 is contacted with the tooth end chamfer wall of the standby gear 10, and at the moment, pointer data of the dial indicator 9 are read, so that whether the tooth end chamfer size of the standby gear 10 is out of tolerance can be judged.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The special gauge for the gear tooth end chamfer mainly comprises a bottom plate, a base, a pressing plate, a central column, a positioning pin, a spring, a measuring column, a rear plate and a dial indicator; the bottom plate is provided with a groove-shaped counter bore and 2 counter bores respectively; the base is provided with a central hole I, a stepped hole, a gear positioning counter bore and a positioning through hole I, 4 threaded through holes are uniformly distributed on the outer side of the central hole I, and the other side surface of the base is provided with 2 threaded holes I; the pressing plate corresponds to the base and is also provided with a central hole II, a measuring head through hole, a gear positioning through hole, a positioning through hole II and 4 through holes; the measuring column is provided with a large cylindrical surface, a column shoulder, a small cylindrical surface and a measuring head; the side surface of the rear plate is provided with a measuring head through hole, and the other side surface of the rear plate is provided with 2 threaded holes II; the base is fixed on the bottom plate through bolts; the center column is installed in the center hole I and is in interference fit with the center hole I: the spring is arranged in the stepped hole and sleeved on the large cylindrical surface, one side of the spring is pressed on the shoulder of the stepped hole, and the other side of the spring is pressed on the shoulder of the column; the pressing plate is fixedly arranged on the base by adopting pins for positioning and screws, and the measuring head penetrates through the measuring head through hole; the positioning pin is in interference fit with the gear positioning counter bore and penetrates through the gear positioning through hole; the rear plate is fixed on the bottom plate by bolts, the dial indicator is fixed on the rear plate by fastening bolts, and the measuring head of the dial indicator is in contact with the end face of the measuring column.