Planet carrier drilling clamp

Abstract

The utility model discloses a planet carrier drilling clamp which comprises a base, a worm is rotatably connected to the interior of the base, a worm gear is connected to the exterior of the worm in a meshed mode, a fixing shaft is fixedly connected to the interior of the worm gear, a bearing disc is fixedly connected to the top end of the fixing shaft, and an annular gear is fixedly connected to the exterior of the bearing disc. The exterior of the annular gear is rotationally connected with the base, the interior of the annular gear is engaged with a driven gear, the exterior of the driven gear is engaged with a rack, the exterior of the rack is slidably connected with the groove of the base, and the upper surface of the rack is fixedly connected with a clamping plate. According to the structure, the worm drives the worm gear to enable the fixing shaft to rotate, the fixing shaft enables the bearing disc to drive the annular gear to rotate, and through the meshing relation between the annular gear and the driven gear, the driven gear drives the rack and the clamping plate to move, so that the planet carrier is conveniently and rapidly fixed; and the fastening performance of the clamp is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drilling jig, especially a planetary carrier drilling jig. BACKGROUND

[0002] In the planetary carrier drilling process, the planetary carrier is stably clamped in the proper position through the drilling jig, the workpiece is put into the chuck, the end face is pasted with the positioning seat, and then the planetary carrier is positioned through the clamping mechanism of the jig to ensure the drilling precision and efficiency of the special tool, such as the special jig for drilling the planetary carrier pin hole disclosed in Chinese patent with the application number CN201620760437.X, the planetary carrier is fixed by the nut and the clamping plate, the drill bit drills the planetary carrier through the drill mold hole, after one pin hole is processed, the nut is loosened, the positioning shaft is pulled out, the planetary carrier is rotated, the positioning shaft is inserted into another positioning hole of the planetary carrier after rotating a certain angle, and another pin hole is processed, the jig is relatively light and convenient to carry, but needs to be fixed through the nut, the operation is complicated, and time is wasted, in addition, deviation may occur when the planetary carrier is positioned, the position of the processed pin hole is inaccurate, and the overall processing quality and performance of the planetary carrier are affected. SUMMARY

[0003] The utility model discloses a planetary carrier drilling jig, the fixed shaft is rotated through the worm drive worm wheel, the fixed shaft makes the receiving disc drive ring gear rotate, and through the meshing relationship of ring gear and driven gear, so that the driven gear drives the rack and clamping plate to move, the planetary carrier is fixed quickly, and the fastening of the jig is further improved.

[0004] The utility model discloses still provide with above -mentioned one kind planetary carrier drilling jig, it include: base, the inside rotation of base is connected with worm, the outside meshing of worm is connected with worm wheel, the inside fixed connection of worm wheel has fixed axle, the bottom of fixed axle is connected with the lower bottom wall rotation of base, the top fixed connection of fixed axle has receiving disc, the outside fixed connection of receiving disc has ring gear, the outside rotation of ring gear is connected with base, the inside meshing of ring gear has driven gear, the outside meshing of driven gear has rack, the outside slide connection of recess of base of rack, the upper surface fixed connection of rack has clamping plate, the upper surface rotation of driven gear is connected with lap strip, the side end of lap strip is fixed with base, the fixed axle is rotated through the worm drive worm wheel, the fixed axle makes the receiving disc drive ring gear rotate, and through the meshing relationship of ring gear and driven gear, so that the driven gear drives the rack and clamping plate to move, the planetary carrier is fixed quickly, and the fastening of the jig is further improved.

[0005] The planet carrier drilling clamp disclosed by the utility model has multiple driven gears, racks, clamping plates and overlapping strips which are symmetrically distributed along the center line of the base, and the driven gears, the racks, the clamping plates and the overlapping strips have the same number. The center line of the base is taken as the axis of symmetry, so that the uniformity and stability of the clamping force can be ensured, and the workpiece can be prevented from deviating or shaking during the machining process.

[0006] The planet carrier drilling clamp disclosed by the utility model has a limiting ring fixedly connected to the side of the overlapping strip away from the base, a sliding groove is arranged in the limiting ring, and the limiting ring is slidably connected with the rack through the sliding groove. The limiting ring enables the rack to move along the sliding groove, so that the rack can drive the clamping plate to move directionally.

[0007] The planet carrier drilling clamp disclosed by the utility model has multiple clamping plates, and the lower surfaces of the clamping plates are slidably connected with the base, and the base has a protrusion. The base provides a sliding platform for the clamping plate, and the base with the protrusion can enhance the stability and bearing capacity of the whole.

[0008] The planet carrier drilling clamp disclosed by the utility model has a containing cavity arranged in the base, and the worm and the worm wheel are arranged in the containing cavity. The containing cavity protects the worm and the worm wheel, so that the transmission mechanism is prevented from being disturbed by the external environment.

[0009] The planet carrier drilling clamp disclosed by the utility model has multiple clamping plates, and the side surfaces of the clamping plates are provided with rubber pads, and the clamping plates move towards each other along the radial direction of the base. In the clamping process, the rubber pads can increase the friction between the clamping plates and the clamped object, so that the clamped object is prevented from sliding or falling off during the machining or detection process, and the stability of clamping is ensured.

[0010] The planet carrier drilling clamp disclosed by the utility model has a containing cavity arranged in the base, and the worm and the worm wheel are arranged in the containing cavity. The containing cavity protects the worm and the worm wheel, so that the transmission mechanism is prevented from being disturbed by the external environment.

[0011] The planet carrier drilling clamp disclosed by the utility model has a containing cavity arranged in the base, and the worm and the worm wheel are arranged in the containing cavity. The containing cavity protects the worm and the worm wheel, so that the transmission mechanism is prevented from being disturbed by the external environment.

[0012] Beneficial effects: compared with the prior art, the novel planetary carrier drilling clamp drives the fixed shaft to rotate through the worm and the worm gear, the fixed shaft drives the annular gear to rotate through the annular gear, and the meshing relationship between the annular gear and the driven gear is achieved, so that the driven gear drives the rack and the clamping plate to move, which is convenient for quickly fixing the planetary carrier and further improves the fastening of the clamp. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further illustrated below in combination with the drawings and embodiments;

[0014] Figure 1 It is a complete structure diagram of the utility model planetary carrier drilling clamp;

[0015] Figure 2 It is a transmission mechanism structure diagram of the utility model planetary carrier drilling clamp;

[0016] Figure 3 It is a clamping and fixing mechanism structure diagram of the utility model planetary carrier drilling clamp;

[0017] Figure 4 It is a base and limiting ring structure diagram of the utility model planetary carrier drilling clamp.

[0018] Legend:

[0019] 1, base; 2, worm; 3, worm gear; 4, fixed shaft; 5, receiving disc; 6, annular gear; 7, driven gear; 8, rack; 9, clamping plate; 10, lap strip; 11, limiting ring; 12, sliding groove; 13, accommodating cavity; 14, rubber pad; 16, adjusting handle. DETAILED DESCRIPTION

[0020] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figures 1-4 The utility model discloses a planetary carrier drilling clamp, which comprises a base 1, a worm 2 is rotationally connected inside the base 1, an adjusting handle 16 is fixedly connected outside the worm 2, an anti-skid part is arranged outside the adjusting handle 16, a worm gear 3 is meshingly connected outside the worm 2, a fixed shaft 4 is fixedly connected inside the worm gear 3, the bottom end of the fixed shaft 4 is rotationally connected with the lower bottom wall of the base 1, a receiving disc 5 is fixedly connected with the top end of the fixed shaft 4, the base 1 is provided with an accommodating cavity 13 inside, and the worm 2 and the worm gear 3 are located inside the accommodating cavity 13.

[0022] Specifically, through the meshing relationship of the worm 2 and the worm gear 3, the adjusting handle 16 drives the worm 2 to drive the worm gear 3 to rotate, the worm gear 3 drives the fixed shaft 4 to drive the bearing disc 5 to rotate, and the base 1 provides rotation support for the rotation of the fixed shaft 4, and the accommodating cavity 13 arranged in the base 1 can protect the transmission mechanism from being affected by the external environment.

[0023] The outer part of the bearing disc 5 is fixedly connected with a ring gear 6, the outer part of the ring gear 6 is rotationally connected with the base 1, the inner part of the ring gear 6 is meshingly connected with a driven gear 7, the outer part of the driven gear 7 is meshingly connected with a rack 8, the outer part of the rack 8 is slidingly connected with a groove of the base 1, the upper surface of the rack 8 is fixedly connected with a clamping plate 9, the upper surface of the driven gear 7 is rotationally connected with a lap strip 10, the side end of the lap strip 10 is fixedly connected with the base 1, the lap strip 10 is slidingly connected with the clamping plate 9, the lap strip 10 is of an L-shaped structure, the driven gear 7, the rack 8, the clamping plate 9 and the lap strip 10 are multiple and are symmetrically distributed about the center line of the base 1, the driven gear 7, the rack 8 and the clamping plate 9 have the same number, the side surface of the multiple clamping plates 9 is provided with a rubber pad 14, the multiple clamping plates 9 move towards each other along the radial direction of the base 1, the side of the lap strip 10 away from the base 1 is fixedly connected with a limiting ring 11, the inner part of the limiting ring 11 is provided with a sliding groove 12, the limiting ring 11 is slidingly connected with the rack 8 through the sliding groove 12, the lower surface of the multiple clamping plates 9 is slidingly connected with the base 1, and the base 1 is a cylinder structure with a protrusion;

[0024] Specifically, through the meshing connection between the ring gear 6 and the driven gear 7, the multiple driven gears 7 rotate, the multiple driven gears 7 drive the rack 8 to move, the rack 8 moves along the groove of the base 1 and the sliding groove 12 of the limiting ring 11, thereby driving the clamping plate 9 to move, and the lap strip 10 provides a guiding action for the movement of the clamping plate 9, so that the multiple clamping plates 9 can move together along the radial direction of the base 1 towards the middle position, thereby facilitating the quick fixing of the position of the planet carrier.

[0025] Working principle: first, place the planet carrier at the middle position of the base 1, then rotate the adjusting handle 16 to drive the worm 2 to drive the worm gear 3 to rotate, the worm gear 3 drives the fixed shaft 4 to drive the bearing disc 5 to rotate, the bearing disc 5 drives the ring gear 6 to rotate, and through the meshing connection between the ring gear 6 and the driven gear 7, the multiple driven gears 7 rotate, the multiple driven gears 7 drive the rack 8 to move, the rack 8 moves along the groove of the base 1 and the sliding groove 12 of the limiting ring 11, thereby driving the clamping plate 9 to move, and the multiple clamping plates 9 move together along the radial direction of the base 1 towards the middle position, thereby fixing the planet carrier, facilitating the drilling of the planet carrier.

[0026] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the knowledge range that the person skilled in the art has possesses.

Claims

1. A planetary carrier drilling jig, characterized by, Include: The base (1), the inside of the base (1) is rotatably connected with the worm (2), the outside of the worm (2) is meshingly connected with the worm gear (3), the inside of the worm gear (3) is fixedly connected with the fixed shaft (4), the bottom end of the fixed shaft (4) is rotatably connected with the lower bottom wall of the base (1), and the top end of the fixed shaft (4) is fixedly connected with the receiving disc (5); The outside of the receiving disc (5) is fixedly connected with the ring gear (6), the outside of the ring gear (6) is rotatably connected with the base (1), the inside of the ring gear (6) is meshingly connected with the driven gear (7), the outside of the driven gear (7) is meshingly connected with the rack (8), the outside of the rack (8) is slidably connected with the groove of the base (1), the upper surface of the rack (8) is fixedly connected with the clamping plate (9), the upper surface of the driven gear (7) is rotatably connected with the lap strip (10), and the side end of the lap strip (10) is fixedly connected with the base (1).

2. A planetary carrier drilling jig according to claim 1, wherein The driven gear (7), the rack (8), the clamping plate (9) and the lap strip (10) are multiple and symmetrically distributed about the center line of the base (1), and the driven gear (7), the rack (8), the clamping plate (9) and the lap strip (10) have the same number.

3. A planetary carrier drilling jig according to claim 1, wherein The side of the lap strip (10) away from the base (1) is fixedly connected with the limiting ring (11), the inside of the limiting ring (11) is provided with a sliding groove (12), and the limiting ring (11) is slidably connected with the rack (8) through the sliding groove (12).

4. A planetary carrier drilling jig according to claim 2, wherein The lower surfaces of the multiple clamping plates (9) are slidably connected with the base (1), and the base (1) is a cylinder structure with a protrusion.

5. A planetary carrier drilling jig according to claim 1, wherein The inside of the base (1) is provided with a containing cavity (13), and the worm (2) and the worm gear (3) are located in the inside of the containing cavity (13).

6. A planetary carrier drilling jig according to claim 2, wherein The side surfaces of the multiple clamping plates (9) are provided with rubber pads (14), and the multiple clamping plates (9) move towards each other along the radial direction of the base (1).

7. A planetary carrier drilling jig according to claim 2, wherein The outside of the lap strip (10) is slidably connected with the clamping plate (9), and the lap strip (10) is an L-shaped structure.

8. A planetary carrier drilling jig according to claim 1, wherein The outside of the adjusting handle (16) is provided with an anti-skid part.

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