Gear ring clamp

Abstract

The utility model provides a gear ring clamp which comprises a positioning sleeve and a plurality of clamping modules arranged in an array mode with the axis of the positioning sleeve as the circle center, and a step abutting against the end face of a gear ring to be machined is arranged on the inner side wall of the positioning sleeve. The clamping module comprises a mounting seat, a pressing plate and a pressurizing piece; the mounting seat is detachably mounted on the positioning sleeve; the pressurizing piece can control the pressing plate to apply pressure downwards. The gear ring to be machined is placed in the positioning sleeve, the lower end of the gear ring to be machined abuts against the step in the positioning sleeve, the installation base is installed on the positioning sleeve, the pressing plate abuts against the upper end of the gear ring to be machined, the pressing plate is controlled to apply pressure downwards through the pressurizing piece, and therefore the gear ring to be machined is clamped. The fixture tool is high in universality, modular design is adopted, the positioning sleeve and the pressing plate can be replaced according to gear rings of different sizes by detaching the mounting base from the positioning sleeve, and the fixture tool can be manufactured in a short time and put into production.

Description

Technical Field

[0001] The utility model relates to the technical field of gear ring clamping, in particular to a gear ring clamp. Background Art

[0002] AT gearbox is an important model product for the survival and development of gearbox companies. The planetary thin-walled helical gear ring is the core component that plays the role of shifting in the AT gearbox. The manufacturing accuracy of its internal teeth directly affects the service life of the AT gearbox. It has high processing precision and great manufacturing difficulty.

[0003] However, the existing ring gear clamp is usually a dedicated clamp for the ring gear, which cannot be applied to ring gears of different sizes and has poor versatility. Utility Model Content

[0004] In view of the above problems existing in the prior art, the technical problem to be solved by the present invention is that the existing ring gear clamp is usually a special clamp for the ring gear, which cannot be applied to ring gears of different sizes and has poor versatility.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: a gear ring clamp, comprising:

[0006] A positioning sleeve, the inner side wall of which is provided with a step for contacting the end face of the gear ring to be processed; and

[0007] A plurality of clamping modules arranged in an array with the axis of the positioning sleeve as the center of the circle include: a mounting seat, a pressure plate and a pressure piece; the mounting seat is detachably mounted on the positioning sleeve; the pressure piece can control the pressure plate to apply downward pressure.

[0008] Preferably, the pressure plate is provided with a pressurizing portion and an arc-shaped positioning portion at one end close to the gear ring to be processed, the arc-shaped positioning portion is arranged in cooperation with the gear ring to be processed, and the pressurizing portion abuts against the end face of the gear ring to be processed away from the step.

[0009] Preferably, the pressure member includes a stud bolt and a shoulder nut; the pressure plate is provided with a long groove along the radial direction of the positioning sleeve; the stud bolt slides through the long groove; one end of the stud bolt is threadedly connected to the mounting seat, and the other end of the stud bolt is threadedly connected to the shoulder nut; and the shoulder nut abuts against the pressure plate.

[0010] Preferably, it further comprises a hexagonal nut, which is threadedly connected to one end of the stud bolt away from the shoulder nut.

[0011] Preferably, it further includes an adjustment support, one end of which is threadedly connected to the mounting seat, a sliding groove is provided on the side of the pressure plate close to the mounting seat along the radial direction of the positioning sleeve, and the other end of the adjustment support is slidably inserted in the sliding groove.

[0012] Preferably, friction lines are provided on the adjustment support.

[0013] Preferably, the adjustment support is provided with a plurality of insertion holes, and the plurality of insertion holes are arranged in a circular array with the axis of the adjustment bearing as the center.

[0014] Preferably, the mounting seat is detachably mounted on the positioning sleeve by means of a hexagon socket head screw.

[0015] Compared with the prior art, the present invention has at least the following advantages:

[0016] 1. In the present invention, the gear ring to be processed is placed in the positioning sleeve so that the lower end of the gear ring to be processed abuts against the step in the positioning sleeve, and the mounting seat is installed on the positioning sleeve so that the pressure plate abuts against the upper end of the gear ring to be processed, and the pressure plate is controlled by the pressure member to apply downward pressure to clamp the gear ring to be processed; and the fixture tooling is highly versatile and adopts a modular design. By removing the mounting seat from the positioning sleeve, the positioning sleeve and the pressure plate can be replaced according to gear rings of different sizes, and can be manufactured and put into production in a short time.

[0017] 2. In the present invention, the gear ring to be processed is centered by abutting against the gear ring to be processed by multiple arc-shaped positioning parts, thereby improving the processing accuracy of the gear ring. The pressure member applies downward pressure to clamp the gear ring to be processed through the pressure part.

[0018] 3. In the present invention, the lower part of the pressure plate is supported by the adjusting support, and the height of the pressure plate is adjusted by rotating the adjusting support so that the pressure part on the pressure plate just abuts against the end face of the gear ring to be processed, thereby effectively preventing the pressure plate from tilting due to unstable center of gravity; then the pressure plate is slid in the radial direction, and the sliding of the pressure plate is guided by sliding the end of the adjusting support in the slide groove, so that the arc-shaped positioning part abuts against the gear ring to be processed; then the shoulder nut is rotated to apply pressure to the pressure plate to clamp and fix the gear ring to be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present invention, the following briefly introduces the drawings required for use in the specific embodiments. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0020] Figure 1 This is a structural schematic diagram of a gear ring clamp provided in an embodiment of the present utility model.

[0021] Figure markings: 1-positioning sleeve, 11-step, 2-mounting seat, 3-pressure plate, 31-pressure part, 32-arc-shaped positioning part, 33-long groove, 34-slide groove, 4-pressure piece, 41-stud bolt, 42-shoulder nut, 43-hexagonal nut, 5-adjustment support, 51-friction pattern, 52-socket, 6-hexagon socket head screw. DETAILED DESCRIPTION

[0022] The following embodiments of the technical solution of the present invention are described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.

[0023] In the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0024] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0025] See also Figure 1 The embodiment provided by the utility model is: a gear ring clamp, comprising: a positioning sleeve 1 and a plurality of clamping modules arranged in an array with the axis of the positioning sleeve 1 as the center of the circle; a step 11 is provided on the inner side wall of the positioning sleeve 1 for abutting the end face of the gear ring to be processed; the clamping module comprises: a mounting seat 2, a pressure plate 3 and a pressure member 4; the mounting seat 2 is detachably mounted on the positioning sleeve 1; further, the mounting seat 2 is detachably mounted on the positioning sleeve 1 by a hexagon socket head screw 6; the pressure member 4 can control the pressure plate 3 to apply downward pressure.

[0026] During specific implementation, the gear ring to be processed is placed in the positioning sleeve 1, so that the lower end of the gear ring to be processed abuts against the step 11 in the positioning sleeve 1, and the mounting seat 2 is installed on the positioning sleeve 1, so that the pressure plate 3 abuts against the upper end of the gear ring to be processed, and the pressure member 4 is used to control the pressure plate 3 to apply downward pressure to clamp the gear ring to be processed; and this fixture tooling has strong versatility and adopts a modular design. By removing the mounting seat 2 from the positioning sleeve 1, the positioning sleeve 1 and the pressure plate 3 can be replaced according to gear rings of different sizes, and can be manufactured and put into production in a short time.

[0027] See also Figure 1 In other embodiments, the pressure plate 3 has a pressurizing portion 31 and an arcuate positioning portion 32 at one end near the gear ring to be processed. The arcuate positioning portion 32 cooperates with the gear ring to be processed, and the pressurizing portion 31 abuts the end face of the gear ring to be processed away from the step 11. In practice, the multiple arcuate positioning portions 32 abut against the gear ring to be processed to center the gear ring to be processed. The pressure member 4 applies downward pressure to clamp the gear ring to be processed through the pressurizing portion 31.

[0028] See also Figure 1 In other embodiments, the pressure member 4 includes a stud bolt 41 and a shoulder nut 42; the pressure plate 3 is provided with a long slot 33 in the radial direction of the positioning sleeve 1; the stud bolt 41 slides through the long slot 33; one end of the stud bolt 41 is threadedly connected to the mounting seat 2, and the other end of the stud bolt 41 is threadedly connected to the shoulder nut 42; and the shoulder nut 42 abuts the pressure plate 3. In a specific implementation, the position of the pressure plate 3 in the radial direction of the positioning sleeve 1 is adjusted by moving the stud bolt 41 in the long slot 33, so that the arc-shaped positioning portion 32 abuts the gear ring to be processed; then the shoulder nut 42 is rotated to apply downward pressure to the pressure plate 3, thereby clamping the gear ring to be processed through the pressure portion 31; and the height of the stud bolt 41 on the mounting seat 2 is adjusted by rotating the stud bolt 41, so that it can accommodate gear rings of different heights. Furthermore, a hexagonal nut 43 is also included, which is threadedly connected to the end of the stud bolt 41 away from the shoulder nut 42. By setting the hexagonal nut 43 , after the stud bolt 41 is threadedly mounted on the mounting seat 2 , the stud bolt 41 can be effectively locked by rotating the hexagonal nut 43 .

[0029] See also Figure 1In another embodiment, an adjustment support 5 is further included, one end of which is threadedly connected to the mounting seat 2. A slide groove 34 is provided on the side of the pressure plate 3 close to the mounting seat 2 along the radial direction of the positioning sleeve 1, and the other end of the adjustment support 5 is slidably inserted into the slide groove 34. During specific implementation, the adjustment support 5 supports the lower part of the pressure plate 3, and the adjustment support 5 is rotated to adjust the height of the pressure plate 3 so that the pressure portion 31 on the pressure plate 3 just abuts against the end face of the gear ring to be processed, thereby effectively preventing the pressure plate 3 from tilting due to an unstable center of gravity; then the pressure plate 3 is slid in the radial direction, and the sliding guide of the pressure plate 3 is guided by the end of the adjustment support 5 sliding in the slide groove 34 so that the arc-shaped positioning portion 32 abuts against the gear ring to be processed; then the shoulder nut 42 is rotated to apply pressure to the pressure plate 3, thereby clamping and fixing the gear ring to be processed. Furthermore, the adjusting support 5 is provided with a friction pattern 51; the friction pattern 51 increases the friction force, so that the adjusting support 5 can be rotated more conveniently; further, the adjusting support 5 is provided with a plurality of sockets 52, and the plurality of sockets 52 are arranged in a circular array with the axis of the adjusting bearing as the center; by inserting a rod into one of the sockets 52, the adjusting bearing can be rotated more effortlessly.

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A gear ring fixture, characterized in that: include: A positioning sleeve, the inner side wall of which is provided with a step that abuts against the end face of the gear ring to be processed; and A plurality of clamping modules arranged in an array with the axis of the positioning sleeve as the center of the circle include: a mounting seat, a pressure plate and a pressure piece; the mounting seat is detachably mounted on the positioning sleeve; the pressure piece can control the pressure plate to apply downward pressure.

2. A ring gear fixture according to claim 1, characterized in that: The pressure plate is provided with a pressurizing portion and an arc-shaped positioning portion at one end close to the gear ring to be processed. The arc-shaped positioning portion is arranged in cooperation with the gear ring to be processed, and the pressurizing portion abuts against the end surface of the gear ring to be processed away from the step.

3. The ring gear fixture according to claim 2, characterized in that: The pressure member includes a stud bolt and a shoulder nut; the pressure plate is provided with a long groove along the radial direction of the positioning sleeve; the stud bolt slides through the long groove; one end of the stud bolt is threadedly connected to the mounting seat, and the other end of the stud bolt is threadedly connected to the shoulder nut; and the shoulder nut abuts against the pressure plate.

4. The ring gear fixture according to claim 3, characterized in that: Also included is a hexagonal nut threadedly connected to an end of the stud bolt away from the shoulder nut.

5. The ring gear fixture according to claim 3, characterized in that: It also includes an adjustment support, one end of which is threadedly connected to the mounting seat, a sliding groove is provided on the side of the pressure plate close to the mounting seat along the radial direction of the positioning sleeve, and the other end of the adjustment support is slidably inserted in the sliding groove.

6. The ring gear fixture according to claim 5, characterized in that: The adjusting support is provided with friction lines.

7. The ring gear fixture according to claim 5, characterized in that: The adjusting support is provided with a plurality of inserting holes, and the plurality of inserting holes are arranged in a circular array with the axis of the adjusting bearing as the center.

8. The ring gear fixture according to claim 1, characterized in that: The mounting seat is detachably mounted on the positioning sleeve via a hexagon socket head screw.

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