CN206732290U - Taper hole gear grinding clamp - Google Patents

Abstract

The utility model provides a taper hole gear grinding anchor clamps, anchor clamps body fixed mounting is on gear grinding machine workstation, anchor clamps body lower part center department installation baffle, the lower link passes through baffle installation in anchor clamps body center hole department, the anchor clamps body center hole is downthehole to be located lower link upper portion retaining ring for the mounting hole, hole retaining ring upper portion is equipped with centering awl axle, centering awl epaxial end is the toper structure that corresponds with the work piece taper hole, be equipped with the spring between centering awl axle lower part and the anchor clamps body center hole, anchor clamps body upper portion is equipped with the supporting disk that is used for placing the work piece, work piece upper portion is equipped with the gland, the supporting disk, the anchor clamps body, go up gland and centering awl axle are coaxial structure. The utility model discloses a taper hole gear grinding anchor clamps adopts unsteady centering taper shaft to work piece taper hole location, with the supporting disk to the terminal surface location under the work piece, then compresses tightly the work piece with last gland, and accurate calculation spring force and gland packing force guarantee reliable and stable location clamping at last and realize the gear grinding.

Description

Tapered hole grinding jig

technical field

The utility model relates to the technical field of gear processing, in particular to the technical field of gear processing fixtures.

Background technique

The inner hole of pump gear in Xichai 1111216-29D, 1006047-29D, 1111216-81D, 1006047-81D series is tapered hole, and the tapered hole gear is different from the straight hole gear. To realize automatic gear grinding on the machine, it is necessary to design a special gear grinding fixture. This kind of fixture must not only ensure the accurate positioning of the workpiece, but also realize the automatic loading and unloading of the machine tool manipulator.

Utility model content

In order to solve the problem that there is no jig when the gear with the inner hole is a tapered hole, the utility model provides a gear grinding jig with a tapered hole.

The technical solution adopted by the utility model for achieving the above purpose is: tapered hole gear grinding fixture, the clamp body 4 is fixedly installed on the gear grinding machine workbench 12, the baffle plate 3 is installed at the center of the lower part of the clamp body 4, and the pull down rod 1 passes through the baffle plate. The plate 3 is installed at the center hole of the clamp body 4, and the center hole of the clamp body 4 is located at the upper part of the lower rod 1 to install the retaining ring 5 for the hole. The upper part of the retaining ring 5 for the hole is provided with a centering cone shaft 8, and the upper end of the centering cone shaft 8 is Conical structure corresponding to the taper hole of the workpiece 11, a spring 6 is provided between the lower part of the centering cone shaft 8 and the center hole of the clamp body 4, the upper part of the clamp body 4 is provided with a support plate 7 for placing the workpiece 11, and the upper part of the workpiece 11 is provided with a The upper gland 10, the support plate 7, the clamp body 4, the upper gland 10 and the centering cone shaft 8 are coaxial structures.

The baffle plate 3 is fixedly installed on the body 4 by the first screw 2 , and the support plate 7 is installed on the clamp body 4 by the second screw 9 .

The tapered hole grinding fixture of the utility model adopts the floating centering cone shaft to locate the tapered hole of the workpiece, uses the support plate to locate the lower end surface of the workpiece, and then uses the upper gland to press the workpiece to accurately calculate the elastic force of the spring and the pressure of the gland. Finally, ensure stable and reliable positioning and clamping to achieve gear grinding.

Description of drawings

Fig. 1 is a front sectional structure diagram of a tapered hole grinding jig of the utility model.

Among the figure: 1, pull-down rod, 2, the first screw, 3, baffle plate, 4, clamp body, 5, retaining ring for hole, 6, spring, 7, support disc, 8, centering cone shaft, 9, the first Two screws, 10, the upper gland, 11, the workpiece, 12, the workbench of the gear grinding machine.

detailed description

The structure of the gear grinding fixture with tapered holes of the present utility model is shown in Figure 1, one end of the clamp body 4 is provided with a bolt hole, the clamp body 4 is fixed and installed on the gear grinding machine workbench 12 by bolts, and a baffle plate is installed at the center of the lower part of the clamp body 4 3. The baffle plate 3 is fixedly installed on the concrete body 4 through the first screw 2, the pull-down rod 1 is installed in the center hole of the clamp body 4 through the baffle plate 3, and the retaining ring 5 is located in the upper mounting hole of the pull-down rod 1 in the center hole of the clamp body 4 , the retaining ring 5 for the hole is installed in the groove inside the center hole of the clamp body, the upper part of the retaining ring 5 for the hole is provided with a centering cone shaft 8, and the upper end of the centering cone shaft 8 is a conical structure corresponding to the taper hole of the workpiece 11. A spring 6 is provided between the bottom of the core cone shaft 8 and the central hole of the clamp body 4, and the support plate 7 for placing the workpiece 11 is provided at the top of the clamp body 4. The support plate 7 is installed on the clamp body 4 by the second screw 9, and the workpiece 11 The upper part is provided with an upper gland 10, and the support plate 7, clamp body 4, upper gland 10 and centering cone shaft 8 are coaxial structures.

The steps to use are as follows:

1) Position the fixture on the gear grinding machine first, and fix it on the gear grinding machine table 13 by bolts;

2) The manipulator on the gear grinding machine puts the workpiece on the centering taper shaft 8, and realizes the positioning of the taper hole of the workpiece;

3) The pull-down head of the gear grinding machine tightens the pull-down rod 1, and the machine tool is in the workpiece clamping state;

4) The upper gland 11 presses the workpiece, drives the centering cone shaft 8 to move downward on the clamp body 4, and compresses the spring 6, so that the end surface of the workpiece 11 and the support plate 7 are firmly attached and pressed;

5) The grinding wheel rotates to complete the grinding process.

Claims (2)

1. The tapered hole gear grinding fixture is characterized in that: the clamp body (4) is fixedly installed on the gear grinding machine workbench (12), the lower center of the clamp body (4) is installed with a baffle (3), and the pull rod (1) The baffle (3) is installed at the center hole of the clamp body (4), and the center hole of the clamp body (4) is located on the upper part of the lower rod (1) to install the retaining ring (5) for the hole, and the upper part of the retaining ring (5) for the hole is set There is a centering cone shaft (8), and the upper end of the centering cone shaft (8) is a conical structure corresponding to the taper hole of the workpiece (11). There is a spring (6), the upper part of the clamp body (4) is provided with a support plate (7) for placing the workpiece (11), the upper part of the workpiece (11) is provided with an upper gland (10), the support plate (7), the clamp body ( 4), the upper gland (10) and the centering cone shaft (8) are coaxial structures. 2. The tapered hole grinding jig according to claim 1, characterized in that: the baffle plate (3) is fixedly installed on the concrete (4) by the first screw (2), and the support plate (7) is fixed by The second screw (9) is installed on the clamp body (4).