Special tool for plum blossom petal-shaped wheel edge planet carrier

Abstract

The utility model relates to a special tool for a plum blossom petal-shaped wheel-side planet carrier, which comprises a bottom plate, a core shaft is fixed on the bottom plate, the diameter of the core shaft is matched with that of a central hole of the wheel-side planet carrier, a long bolt is screwed in the middle of the core shaft, and the bolt is sequentially provided with a first nut, a locking disc, a petal pressing plate and a second nut from top to bottom. The first nut and the second nut are both connected to the long bolt in a threaded mode, the petal pressing plate and the locking disc are sequentially arranged on the long bolt in a sleeving mode, a side positioning piece is further arranged on the bottom plate and comprises a vertical plate and a positioning clamping jaw, the vertical plate is located on the side face of the mandrel and fixed to the bottom plate, the positioning clamping jaw is assembled on the vertical plate in a sliding mode, and a groove is formed in the front end of the positioning clamping jaw. And the groove is clamped with the support column part of the planet carrier. During clamping, the clamp is only contacted and fixed with a plane which does not need to be machined, machining of other surfaces is not interfered, machining of all the surfaces can be completed through one-time clamping, and the machining efficiency and the machining precision are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a special tooling for a plum blossom petal-shaped wheel edge planetary frame. Background Art

[0002] The planet carrier is one of the main components of the planetary gear transmission. The planetary shaft or bearing is installed on the planet carrier. Figure 1 It is a common plum petal-shaped wheel-side planetary carrier. During its processing, multiple surfaces need to be ground, drilled and other processing. Only a few planes that do not need to be processed exist at the bottom of the planetary carrier. Traditional clamping tools usually contact the processing surface of the wheel-side planetary carrier when fixing, and at least two clampings are required to complete the processing of all surfaces, resulting in low processing efficiency and low precision. Utility Model Content

[0003] In response to the problems in the background technology, the utility model provides a special tooling for a plum-petal-shaped wheel-rim planetary carrier. When clamping, it only contacts and fixes the plane that does not need to be processed, and does not interfere with the processing of other surfaces. The processing of all surfaces can be completed by clamping once, which effectively improves the processing efficiency and processing accuracy.

[0004] The utility model is realized by the following technical solutions:

[0005] A special tooling for a plum petal-shaped wheel-side planetary frame, comprising a base plate, a core shaft being fixed on the base plate, the core shaft diameter being adapted to the center hole of the wheel-side planetary frame, a long bolt being screwed on the middle of the core shaft, the bolt being provided with a first nut, a locking plate, a petal pressure plate and a second nut in sequence from top to bottom, the first nut and the second nut being both screwed on the long bolt, the petal pressure plate and the locking plate being sleeved on the long bolt in sequence, a side positioning piece being also provided on the base plate, the side positioning piece comprising a vertical plate and a positioning claw, the vertical plate being located on the side of the core shaft and fixed on the base plate, the positioning claw being slidably mounted on the vertical plate, a groove being provided at the front end of the positioning claw, the groove being engaged with the supporting pillar portion of the planetary frame.

[0006] Preferably, the positioning claw includes a column and a claw head, the claw head is fixed to the column by bolts, a groove is opened at the front end of the claw head, a long strip-shaped through groove is opened on the side of the column, a locking bolt is screwed at the position corresponding to the through groove on the vertical plate, and the lower end of the locking bolt passes through the vertical plate and is tightened against the bottom of the through groove.

[0007] Preferably, the locking disk is provided with a slot extending outward along the center of the circle, and the slot is sleeved outside the long bolt.

[0008] Preferably, pad columns are arranged on the bottom plate outside the core shaft, and the pad columns are evenly distributed on the periphery of the core shaft in a ring shape.

[0009] Preferably, a mounting hole is provided on the bottom plate, the lower end of the core shaft is engaged in the mounting hole, and the core shaft is fixed to the bottom plate by bolts.

[0010] Preferably, the pad column is fixed to the base plate by bolts.

[0011] In summary, the beneficial technical effects of the utility model are as follows: when clamping, firstly, the planetary frame is sleeved on the core shaft, and then the positioning claw is adjusted so that the groove at the front end of the claw head is engaged with the support part of the planetary frame, and the position of the positioning claw is fixed by the locking bolt, and then the petal pressure plate is pressed on the planetary frame accordingly, and the first nut is continuously rotated to gradually tighten the locking disk and the petal pressure plate, and the position of the planetary frame is fixed, and processing can be performed. When clamping, it only contacts and fixes with the plane that does not need to be processed, and does not interfere with the processing of other surfaces. All surfaces can be processed by one clamping, which effectively improves the processing efficiency and processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of a plum petal-shaped wheel-rim planet carrier;

[0013] Figure 2 It is a schematic diagram of the workpiece clamping method;

[0014] Figure 3 is a cross-sectional schematic diagram highlighting the clamping method;

[0015] Figure 4 It is a top view highlighting the clamping method;

[0016] Figure 5 A partial exploded schematic diagram of the present invention.

[0017] In the figure, 1, base plate; 2, core shaft; 3, long bolt; 4, first nut; 5, locking disk; 6, petal pressure plate; 7, second nut; 8, vertical plate; 9, positioning claw; 10, groove; 11, column; 12, claw head; 13, through groove; 14, locking bolt; 15, groove; 16, pad column; 17, mounting hole. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] Reference Figure 1-5 A special tooling for a plum petal-shaped wheel-side planetary carrier comprises a base plate 1 and a core shaft 2. A mounting hole 17 is opened on the base plate 1. The bottom of the core shaft 2 is engaged in the mounting hole 17. The core shaft 2 is fixed to the base plate 1 by bolts. The diameter of the core shaft 2 is matched with the center hole of the wheel-side planetary carrier. A plurality of pads 16 are arranged on the base plate 1 outside the core shaft 2. The pads 16 are evenly distributed in a ring shape on the periphery of the core shaft 2. The pads 16 are fixed to the base plate 1 by bolts.

[0020] A long bolt 3 is screwed on the middle position of the core shaft 2, and the long bolt 3 is provided with a first nut 4, a locking plate 5, a petal pressure plate 6 and a second nut 7 in sequence from top to bottom. The first nut 4 and the second nut 7 are screwed on the long bolt 3. A through hole is opened at the center position of the petal pressure plate 6, and the petal pressure plate 6 is sleeved on the long bolt 3 through the through hole. A slot 15 extending outward along the center of the circle is opened on the locking plate 5, and the locking plate 5 is sleeved on the long bolt 3 through the slot 15. When clamping, the planetary carrier is sleeved on the core shaft 2 for positioning, and is supported at the bottom by a pad column 16. The long bolt 3 is locked by the second nut 7 to prevent the long bolt 3 from loosening. The locking plate 5 and the petal pressure plate 6 are sleeved on the long bolt 3 in sequence, and the bottom of the petal pressure plate 6 is in contact with the plane of the planetary carrier that does not need to be processed. The first nut 4 is continuously rotated to gradually tighten the locking plate 5 and the petal pressure plate 6 to fix the position of the planetary carrier.

[0021] The locking disc 5 is provided to indirectly press the petal pressing plate 6 , so that the petal pressing plate 6 can be prevented from rotating and shifting during the rotation of the first nut 4 , and direct wear on the petal pressing plate 6 can be reduced. The bottom plate 1 is also provided with a side positioning member, which includes a vertical plate 8 and a positioning claw 9. The vertical plate 8 is located on the side of the core shaft 2, and the vertical plate 8 is fixed to the bottom plate 1 by bolts. The positioning claw 9 includes a column 11 and a claw head 12. The claw head 12 is fixed to the head of the column 11 by bolts. A groove 10 is provided at the front end of the claw head 12, and the shape of the groove 10 is adapted to the shape of the support part of the planetary frame. A slideway is provided in the horizontal middle position of the vertical plate 8, and the column 11 is slidably installed in the slideway. A long strip-shaped through groove 13 is provided on the side of the column 11. A locking bolt 14 is screwed on the middle position of the vertical plate 8 in the longitudinal direction. The lower end of the locking bolt 14 passes through the vertical plate 8 and is pressed against the bottom of the through groove 13. The groove 10 on the claw head 12 is engaged with the support part of the planetary frame for positioning to prevent the planetary frame from rotating. The locking bolt 14 is rotated and pressed against the through groove 13, thereby fixing the position of the positioning claw 9 after moving.

[0022] The implementation principle of this embodiment is as follows: when clamping, firstly, the planet carrier is sleeved on the core shaft 2, and then the positioning claw 9 is adjusted so that the groove 10 at the front end of the claw head 12 is engaged with the support part of the planet carrier, and the position of the positioning claw 9 is fixed by the locking bolt 14, and then the petal pressing plate 6 is pressed on the planet carrier accordingly, and the locking disk 5 and the petal pressing plate 6 are gradually pressed by the continuous rotation of the first nut 4, and the position of the planet carrier is fixed, and processing can be performed. When clamping, only the plane that does not need to be processed is contacted and fixed, and the processing of other surfaces is not interfered. All surfaces can be processed by one clamping, which effectively improves the processing efficiency and processing accuracy.

[0023] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A special tooling for a plum petal-shaped wheel-rim planet carrier, comprising a bottom plate (1), characterized in that: A core shaft (2) is fixed on the base plate (1), and the diameter of the core shaft (2) is adapted to the center hole of the wheel side planetary frame. A long bolt (3) is screwed in the middle of the core shaft (2), and the bolt is provided with a first nut (4), a locking plate (5), a petal pressure plate (6) and a second nut (7) in sequence from top to bottom. The first nut (4) and the second nut (7) are both screwed on the long bolt (3), and the petal pressure plate (6) and the locking plate (5) are sequentially sleeved on the long bolt (3). A side positioning member is also provided on the base plate (1), and the side positioning member includes a vertical plate (8) and a positioning claw (9). The vertical plate (8) is located on the side of the core shaft (2) and is fixed on the base plate (1). The positioning claw (9) is slidably mounted on the vertical plate (8), and a groove (10) is provided at the front end of the positioning claw (9), and the groove (10) is engaged with the support part of the planetary frame.

2. The special tooling for the plum blossom petal-shaped wheel-rim planet carrier according to claim 1, characterized in that: The positioning claw (9) comprises a column (11) and a claw head (12), the claw head (12) being fixed to the column (11) by bolts, the groove (10) being provided at the front end of the claw head (12), a long strip-shaped through groove (13) being provided on the side surface of the column (11), a locking bolt (14) being screwed on a position on the vertical plate (8) corresponding to the through groove (13), the lower end of the locking bolt (14) passing through the vertical plate (8) and being pressed against the bottom of the through groove (13).

3. The special tooling for the plum blossom petal-shaped wheel-rim planet carrier according to claim 1, characterized in that: The locking disk (5) is provided with a clamping groove (15) extending outward along the center of the circle, and the clamping groove (15) is sleeved outside the long bolt (3).

4. The special tooling for the plum petal-shaped wheel-rim planet carrier according to claim 1, characterized in that: A cushion column (16) is arranged on the bottom plate (1) outside the core shaft (2), and the cushion columns (16) are evenly distributed on the periphery of the core shaft (2) in a ring shape.

5. The special tooling for the plum-petal-shaped wheel-rim planet carrier according to claim 1, characterized in that: The bottom plate (1) is provided with a mounting hole (17), the lower end of the core shaft (2) is engaged in the mounting hole (17), and the core shaft (2) is fixed to the bottom plate (1) by bolts.

6. The special tooling for the plum blossom petal-shaped wheel-rim planet carrier according to claim 4, characterized in that: The cushion column (16) is fixed on the base plate (1) by means of bolts.

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