Rotatable gear inner diameter positioning tool

Abstract

The utility model belongs to the technical field of gear inner diameter positioning, and particularly relates to a rotatable gear inner diameter positioning tool which comprises an operation board, a plurality of stand columns are distributed on the top of the operation board in an annular array mode, a clamping block is arranged on the outer portion of each stand column, a push rod penetrating through the stand columns is transversely arranged on the inner side of each clamping block, and a clamping block is arranged on the top of the operation board. Conical wedge blocks are arranged on the inner sides of the multiple push rods in a lifting mode, one ends of the multiple push rods abut against the bevel edges of the conical wedge blocks, the conical wedge blocks enable the multiple push rods to drive the corresponding clamping blocks to be unfolded outwards based on lifting, and a screw rod is further longitudinally arranged at the axis of the top of the operation disc; according to the gear clamping device, the clamping blocks, the push rods and the conical wedge blocks which are matched with one another are additionally arranged, and when the conical wedge blocks descend, the clamping blocks are driven by the push rods to move outwards, so that the gear is clamped on the operation board from the inner positioning part, and the gear does not need to be clamped and fixed for many times.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gear inner diameter positioning technical field, concretely relates to a rotatable gear inner diameter positioning frock. BACKGROUND

[0002] When the gear is processed, it needs to be fixed and installed on the frock, and the positioning frock is needed in the process.

[0003] The existing positioning frock generally clamps and fixes from the outer wall of the gear, after the outer wall of the gear is processed, the clamping mechanism needs to be disassembled, the position of the gear is adjusted, and the gear is clamped and fixed on the frock again, which is low in efficiency, long in time consumption, and the gear is damaged due to multiple clamping, which affects the yield of the gear. UTILITY MODEL CONTENTS

[0004] The utility model discloses a rotatable gear inner diameter positioning frock is provided to solve the problem in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a rotatable gear inner diameter positioning frock, including: operation disc and operation platform, the top of operation disc is annular array distribution with a plurality of stand, the outside of every stand is equipped with clamping block, the inside of every clamping block is equipped with the push rod who penetrates the stand horizontally, the inside of a plurality of push rods is equipped with the tapered wedge that goes up and down, and the one end of a plurality of push rods is abutted on the bevel of tapered wedge, and the tapered wedge is based on the lift and makes a plurality of push rods drive corresponding clamping block to spread outwards.

[0006] Preferably, the shaft center of the top of the operation disc is also longitudinally provided with a screw rod, the tapered wedge is sleeved on the screw rod, a rotating sleeve is screwed through the screw rod, a rotating groove is formed in the bottom end of the rotating sleeve, and the rotating sleeve is rotatably installed on the tapered wedge through the rotating groove.

[0007] Preferably, a guide block is longitudinally arranged on the inner wall of the tapered wedge, and a guide groove is formed in the outer wall of the screw rod in the axial direction to accommodate the guide block.

[0008] Preferably, a sliding groove is formed in the outer wall of the tapered wedge, an inclined surface is formed on the end of the push rod and engaged with the outer wall of the tapered wedge, and a sliding block is movably arranged in the sliding groove on the inclined surface.

[0009] Preferably, a rotating mechanism is further arranged below the operation disc, the operation platform is rotatably arranged on the rotating end of the rotating mechanism, and the operation disc is axially rotated based on the rotation.

[0010] Preferably, the rotating mechanism comprises a base and a bearing body, a recess accommodating the bearing body is formed in the top of the base, and a rotating shaft assembled with the bearing body is arranged at the bottom of the operation disc.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) The utility model discloses a plurality of mutually matched clamping blocks, push rods and tapered wedges are additionally arranged, when the tapered wedge is lowered, the push rod drives the clamping block to move outward, thereby positioning and clamping the gear on the operation disc from inside, and the gear does not need to be clamped and fixed for many times.

[0013] (2) The utility model discloses a screw rod and a rotating sleeve are additionally arranged, when the rotating sleeve is rotated, the tapered wedge can be lifted and adjusted on the screw rod, thereby facilitating the transverse pushing and driving of the push rod.

[0014] (3) The utility model discloses a sliding groove and a sliding block are additionally arranged, the push rod is movably connected with the tapered wedge, after the tapered wedge is lifted, the push rod can be automatically reset, and the clamping and limiting of the clamping block on the gear are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 It is the first sectional view of the utility model;

[0017] Figure 3 It is the second sectional view of the utility model;

[0018] Figure 4 It is the plan view of the tapered wedge and the screw rod of the utility model;

[0019] Figure 5 It is the plan view of the clamping block, the push rod, the stand and the operation disc of the utility model;

[0020] In the drawing: 1, base;2, rotating shaft;3, operation disc;4, rotating sleeve;5, screw rod;6, guide groove;7, guide block;8, rotating groove;9, tapered wedge;10, sliding groove;11, sliding block;12, push rod;13, clamping block;14, stand;15, recess;16, bearing body. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Reference Figures 1-3 and Figure 5 As shown in FIG. 1 and FIG. 2, the utility model provides a rotatable gear inner diameter positioning tool, include: operation disc 3 and operation platform, the top of operation disc 3 is annularly arranged with a plurality of stand 14, the outside of each stand 14 is equipped with clamping block 13, the inside of each clamping block 13 is equipped with the push rod 12 who penetrates stand 14 laterally, the inside of a plurality of push rod 12 is equipped with tapered wedge 9 and goes up and down, the end of a plurality of push rod 12 is abutted on the bevel of tapered wedge 9, and tapered wedge 9 is based on the lifting and makes a plurality of push rod 12 drive corresponding clamping block 13 to spread outwards.

[0023] The above, in the use provided by the utility model operation disc 3, a plurality of stand 14, a plurality of clamping block 13, a plurality of push rod 12 and a plurality of tapered wedge 9, the gear is placed on operation disc 3, four clamping block 13 are in the inner ring of gear at this time, let tapered wedge 9 drop, so that the inclined surface of tapered wedge 9 is abutted on the end of push rod 12, and then drive push rod 12 to push out on stand 14, drive clamping block 13 to abut on the inner wall of gear, finally through a plurality of clamping block 13 simultaneously gear is clamped and fixed on operation disc 3.

[0024] In the utility model, in combination Figures 1-3 and Figure 5 As shown in FIG. 1 and FIG. 2, the utility model provides a rotatable gear inner diameter positioning tool, include: operation disc 3 and operation platform, the top of operation disc 3 is annularly arranged with a plurality of stand 14, the outside of each stand 14 is equipped with clamping block 13, the inside of each clamping block 13 is equipped with the push rod 12 who penetrates stand 14 laterally, the inside of a plurality of push rod 12 is equipped with tapered wedge 9 and goes up and down, the end of a plurality of push rod 12 is abutted on the bevel of tapered wedge 9, and tapered wedge 9 is based on the lifting and makes a plurality of push rod 12 drive corresponding clamping block 13 to spread outwards.

[0025] The above, in the use provided by the utility model operation disc 3, a plurality of stand 14, a plurality of clamping block 13, a plurality of push rod 12 and a plurality of tapered wedge 9, the gear is placed on operation disc 3, four clamping block 13 are in the inner ring of gear at this time, let tapered wedge 9 drop, so that the inclined surface of tapered wedge 9 is abutted on the end of push rod 12, and then drive push rod 12 to push out on stand 14, drive clamping block 13 to abut on the inner wall of gear, finally through a plurality of clamping block 13 simultaneously gear is clamped and fixed on operation disc 3.

[0026] Further, in order to avoid tapered wedge 9 rotates on screw 5 with rotating sleeve 4 rotates, refer to Figures 3-4 As shown in FIG. 1 and FIG. 2, the utility model provides a rotatable gear inner diameter positioning tool, include: operation disc 3 and operation platform, the top of operation disc 3 is annularly arranged with a plurality of stand 14, the outside of each stand 14 is equipped with clamping block 13, the inside of each clamping block 13 is equipped with the push rod 12 who penetrates stand 14 laterally, the inside of a plurality of push rod 12 is equipped with tapered wedge 9 and goes up and down, the end of a plurality of push rod 12 is abutted on the bevel of tapered wedge 9, and tapered wedge 9 is based on the lifting and makes a plurality of push rod 12 drive corresponding clamping block 13 to spread outwards.

[0027] In the utility model, in combination Figure 3 andFigure 5 As shown, the outer wall of the tapered wedge 9 of the embodiment is further provided with a sliding groove 10, the end of the push rod 12 is formed with a slope which is engaged with the outer wall of the tapered wedge 9, and the slope is provided with a sliding block 11 which is movably installed in the sliding groove 10.

[0028] As described above, the sliding block 11 and the sliding groove 10 provided by the utility model are used, the push rod 12 is movably installed on the tapered wedge 9 through the sliding block 11 and the sliding groove 10, after the tapered wedge 9 is lifted, the push rod 12 is driven to move inward on the stand 14 through the sliding groove 10 and the sliding block 11, so that the clamping block 13 is folded inward, and the gear on the operation disc 3 is convenient to take out.

[0029] In the utility model, combined with Figures 1-3 As shown, the lower portion of the operation disc 3 of the embodiment is further provided with a rotating mechanism, and the operation table is installed on the rotating end of the rotating mechanism, and the operation disc 3 is axially rotated based on rotation.

[0030] Combined with Figures 1-3 As shown, the rotating mechanism comprises a base 1 and a bearing body 16, the top of the base 1 is provided with a recess 15 for accommodating the bearing body 16, and the bottom of the operation disc 3 is provided with a rotating shaft 2 which is assembled with the bearing body 16.

[0031] As described above, the rotating mechanism provided by the utility model is used, the base 1 in the rotating mechanism provides an installation position for the equipment, the bearing body 16 is embeddedly installed on the base 1 through the recess 15, and the operation disc 3 is interference-assembled with the bearing body 16 through the rotating shaft 2, so that the operation disc 3 is rotationally driven on the base 1, and then the gear is convenient to be rotationally machined.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rotatable gear inner diameter positioning tool, characterized by, The utility model relates to a kind of operating disc (3) and operating platform, the top of the operating disc (3) is distributed in annular array with multiple stand (14), the outside of each stand (14) is equipped with clamp block (13), the inside of each clamp block (13) is equipped with push rod (12) passing through stand (14) transversely, the inside of multiple push rod (12) is equipped with tapered wedge (9) and lifts, the end of multiple push rod (12) is abutted on the bevel of tapered wedge (9), tapered wedge (9) is based on lift and makes multiple push rod (12) drive corresponding clamp block (13) spread out outward. The top of the operating disc (3) is also equipped with screw rod (5) in the axial center and longitudinally, the tapered wedge (9) is sleeved on screw rod (5), the screw rod (5) is equipped with rotating sleeve (4) through screwing, the bottom of rotating sleeve (4) is equipped with rotating groove (8), and rotating sleeve (4) is rotatably installed on tapered wedge (9) by rotating groove (8).

2. A rotatable internal gear diameter positioning tool as in claim 1, wherein: The inner wall of the tapered wedge (9) is also equipped with guide block (7) longitudinally, and the outer wall of the screw rod (5) is equipped with guide groove (6) along the axial direction.

3. A rotatable internal gear diameter positioning tool as in claim 2, wherein: The outer wall of the tapered wedge (9) is also equipped with sliding groove (10), and the end of the push rod (12) is formed with inclined surface engaged with the outer wall of the tapered wedge (9), and the inclined surface is equipped with sliding block (11) movably installed in the sliding groove (10).

4. The rotatable internal gear diameter positioning tool of claim 1, wherein: The operating disc (3) is also equipped with rotating mechanism below, and the operating platform is installed on the rotating end of the rotating mechanism, so that the operating disc (3) is axially rotated based on rotation.

5. A rotatable internal gear diameter positioning tool as in claim 1, wherein: The rotating mechanism includes base (1) and bearing body (16), the top of the base (1) is equipped with recess (15) accommodating the bearing body (16), and the bottom of the operating disc (3) is equipped with rotating shaft (2) assembled with the bearing body (16).

6. A rotatable internal gear diameter positioning tool as in claim 5, wherein: ​

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