CN209969699U

CN209969699U - Stable meshing clamp for planing inner wall of gear

Info

Publication number: CN209969699U
Application number: CN201920439983.7U
Authority: CN
Inventors: 李慧
Original assignee: 李慧
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-01-21
Anticipated expiration: 2029-04-03

Abstract

The utility model relates to the technical field of machining, specifically be a firm interlock anchor clamps of gear inner wall planing usefulness, including table surface, gear support ring and clamping bar group, the upper end welding that table surface's upper surface has the backup pad has the annular gear support ring of circle in addition, is provided with four group's clamping bar groups on the gear support ring, and clamping bar group includes adjusting screw, gear clamp splice and hexagon bolt head, and beneficial effect is: the utility model discloses a spanner rotates the hexagon bolt head, under the thread relation of adjusting screw and locking gasket outer wall, can make adjusting screw move gear clamp piece toward inside pressure, it is shown with fig. 3 to combine, four gear clamp pieces cooperate the cohesion to the teeth of a cogwheel of processing gear fixed, make the processing gear by firm fixed, and do not take place the phenomenon of skidding, under compression spring's effect, the lower surface of hexagon bolt head is hugged closely to locking gasket's upper surface, can prevent that adjusting screw does not take place not become flexible.

Description

Stable meshing clamp for planing inner wall of gear

Technical Field

The utility model relates to the technical field of machining, specifically be a firm interlock anchor clamps of gear inner wall planing usefulness.

Background

In the production and processing process of the inner hole gear, the inner wall of the gear needs to be polished, burrs or rusts are removed, or the inner diameter of the gear needs to be planed, the aperture is enlarged, during processing, the gear needs to be clamped and fixed firstly, and then the inner wall of the gear is processed through an inner diameter milling cutter or a grinding wheel and the like. When a common clamp (such as a three-jaw chuck) clamps the gear, the common clamp only contacts with the outer end of the gear tooth, when the clamping force is too large, the gear tooth is easily abraded to a certain extent, and when the clamping force is too small, the gear and the clamp are easily slipped, so that the machining precision of the inner wall of the gear is not improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a firm interlock anchor clamps of gear inner wall planing usefulness to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a steady interlock fixture for planing the inner wall of a gear comprises a workbench surface, a gear supporting ring and a clamping bar group, wherein a vertically arranged supporting plate is welded on the left side of the upper surface of the workbench surface, a circular gear supporting ring is also welded at the upper end of the supporting plate, four clamping bar groups are arranged on the gear supporting ring and comprise an adjusting screw, a gear clamping block and a hexagonal bolt head, the adjusting screw is in threaded connection with the outer wall of the gear supporting ring, the inner end of the adjusting screw is rotatably connected with the gear clamping block, the gear clamping block is a quarter circular ring body, the inner side wall of the gear clamping block is provided with inner gear teeth, a top plate is integrally formed on the left side wall of the gear clamping block, the outer end of the adjusting screw is welded with the hexagonal bolt head, two sliding rails are arranged on the left side of the upper surface of the workbench surface, and the rail directions, the lower surface of the sliding bottom plate is connected with the two sliding rails in a sliding mode, the motor base which is vertically arranged is welded on the upper surface of the sliding bottom plate, the motor is fixed to the right side of the upper end of the motor base through bolts, a rotating shaft of the motor penetrates through the left side wall of the motor base, a bearing is arranged at the upper end of the rotating shaft of the motor, which penetrates through the motor base, and a cylindrical milling cutter seat is fixedly arranged at the left end of the motor.

Preferably, the inner ends of the four adjusting screws point to the center of the gear support ring, and an angle of 90 degrees is formed between the four adjusting screws.

Preferably, the outside cover of adjusting screw is equipped with pressure spring, and pressure spring one end and the outer wall fixed connection of gear support ring, pressure spring's the other end are connected with the annular check washer of circle, and the check washer cover is established in adjusting screw's outside.

Preferably, the upper surface of the anti-loosening gasket is provided with anti-skidding friction lines, and the upper surface of the anti-loosening gasket is tightly attached to the lower surface of the hexagonal bolt head.

Preferably, the outer wall of the milling cutter seat is provided with a milling cutter, and the central axis of the milling cutter seat is matched with the central axis of the gear support ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a spanner rotates the hexagonal bolt head, under the thread relation of adjusting screw and locking washer outer wall, can make adjusting screw press the gear clamp piece towards inside, combine shown in fig. 2 and 3, four gear clamp pieces cooperate the cohesion to fix the teeth of a cogwheel of processing gear for processing gear is firm fixed, and does not take place the phenomenon of skidding;

2. the utility model discloses under compression spring's effect, hexagonal bolt head's lower surface is hugged closely to locking washer's upper surface, and locking washer's upper surface is provided with anti-skidding friction line, can prevent that adjusting screw from taking place to rotate, guarantees that the gear clamp splice that adjusting screw inner is connected closely meshes with the processing gear, and does not take place not hard up.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the present invention;

fig. 3 is a cross-sectional view taken at a-a in fig. 2.

In the figure: the milling machine comprises a working table top 1, a gear support ring 2, a clamping rod group 3, a support plate 4, an adjusting screw rod 5, a gear clamping block 6, a hexagonal bolt head 7, a locking gasket 8, a sliding rail 9, a sliding bottom plate 10, a motor base 11, a milling cutter base 12 and a top plate 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a steady occluding fixture for planing the inner wall of a gear comprises a working table surface 1, a gear support ring 2 and a clamping rod group 3, as shown in a combined drawing 1 and a drawing 2, a support plate 4 which is vertically arranged is welded on the left side of the upper surface of the working table surface 1, the upper end of the support plate 4 is welded with the lower end of the circular gear support ring 2, four groups of clamping rod groups 3 are arranged on the gear support ring 2, each clamping rod group 3 comprises an adjusting screw rod 5, a gear clamping block 6 and a hexagon bolt head 7, the adjusting screw rods 5 are connected with the outer wall of the gear support ring 2 through threads, the inner ends of the four adjusting screw rods 5 all point to the center of the gear support ring 2, an angle of 90 degrees is formed between the four adjusting screw rods 5, the inner end of each adjusting screw rod 5 is rotatably connected with a gear clamping block 6, the gear clamping block 6 is a quarter circular body, inner gear teeth are arranged on the inner side wall of the gear clamping, make the interior wheel tooth of gear clamp piece 6 and the teeth of a cogwheel of processing gear mutually support the inlay card, the left side wall integrated into one piece of gear clamp piece 6 has roof 13, roof 13 plays the supporting role to one side of processing gear, adjusting screw 5's outer end welding has hexagon bolt head 7, it is rotatory to hexagon bolt head 7 through the spanner, under the screw thread relation of adjusting screw 5 and 8 outer walls of check washer, can make adjusting screw 5 press gear clamp piece 6 towards the inside, and four gear clamp pieces 6 cooperate the cohesion to the teeth of a cogwheel of processing gear fixed.

As shown in fig. 1 and fig. 3, the outside cover of adjusting screw 5 is equipped with compression spring, compression spring one end and gear support ring 2's outer wall fixed connection, compression spring's the other end is connected with the annular check washer 8 of circle, 8 covers of check washer are established in adjusting screw 5's outside, under compression spring's effect, hexagonal bolt head 7's lower surface is hugged closely to check washer 8's upper surface, check washer 8's upper surface is provided with anti-skidding friction line, can prevent that adjusting screw 5 from taking place to rotate, guarantee that adjusting screw 5 inner gear clamp 6 of connecting closely meshes with the processing gear.

Referring to fig. 1 and 2, two slide rails 9 are disposed on the left side of the upper surface of the table top 1, the track directions of the two slide rails 9 are parallel to the central axis of the gear support ring 2, the two slide rails 9 are slidably connected to the lower surface of a sliding bottom plate 10, the sliding bottom plate 10 slides along the tracks of the two slide rails 9, a vertically disposed motor base 11 is welded on the upper surface of the sliding bottom plate 10, a motor is fixed on the right side of the upper end of the motor base 11 through a bolt, a rotating shaft of the motor penetrates through the left side wall of the motor base 11, a bearing is disposed at the upper end of the motor, a cylindrical milling cutter holder 12 is fixed at the left end of the motor, a milling cutter is disposed on the outer wall of the milling cutter holder 12, the central axis of the milling cutter holder 12 matches with the central axis of the gear support ring 2, as shown in fig. 2, the motor, the milling cutter installed on the outer wall of the milling cutter seat 12 planes the inner wall of the machined gear.

The working principle is as follows: when the utility model works, the hexagonal bolt head 7 is rotated by the wrench, under the condition of adjusting the thread relation between the screw rod 5 and the outer wall of the anti-loose gasket 8, the gear clamping blocks 6 can be pressed inwards by the adjusting screw rods 5, and as shown in the combined drawings of fig. 2 and 3, the four gear clamping blocks 6 are used for matching, embracing and fixing the gear teeth of the processing gear, and the processing gear is tightly attached to the side surface of the top plate 13 welded on one side of the gear clamping blocks 6, under the action of the compression spring, the upper surface of the anti-loosening gasket 8 is tightly attached to the lower surface of the hexagonal bolt head 7, the upper surface of the anti-loosening gasket 8 is provided with anti-skid friction lines, the adjusting screw 5 can be prevented from rotating, the gear clamping block 6 connected with the inner end of the adjusting screw 5 is ensured to be tightly meshed with the processing gear, and the looseness does not occur, the motor drives the milling cutter seat 12 to rotate, the sliding bottom plate 10 is pushed towards the left side, and a milling cutter arranged on the outer wall of the milling cutter seat 12 planes the inner wall of the machined gear.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a firm interlock anchor clamps of gear inner wall planing usefulness, includes table surface (1), gear support ring (2) and clamping bar group (3), its characterized in that: the left side of the upper surface of the workbench surface (1) is welded with a vertically arranged support plate (4), the upper end of the support plate (4) is welded with a circular gear support ring (2), four groups of clamping rod groups (3) are arranged on the gear support ring (2), each clamping rod group (3) comprises an adjusting screw rod (5), a gear clamping block (6) and a hexagonal bolt head (7), the adjusting screw rods (5) are in threaded connection with the outer wall of the gear support ring (2), the inner ends of the adjusting screw rods (5) are rotatably connected with the gear clamping blocks (6), the gear clamping blocks (6) are quarter circular bodies, the inner side wall of each gear clamping block (6) is provided with inner gear teeth, the left side wall of each gear clamping block (6) is integrally formed with a top plate (13), the outer end of each adjusting screw rod (5) is welded with a hexagonal bolt head (7), the left side of the upper surface of the workbench surface (1), the track direction of two slide rails (9) parallels with the central axis of gear support ring (2), the lower surface of sliding connection sliding bottom plate (10) on two slide rails (9), the upper surface welding of sliding bottom plate (10) has motor cabinet (11) of perpendicular setting, there is the motor upper end right side of motor cabinet (11) through the bolt fastening, the left side wall of motor cabinet (11) is penetrated out in the pivot of motor, and the upper end department that motor cabinet (11) was penetrated in the pivot of motor is provided with the bearing, the left end of motor is fixed with cylindric milling cutter seat (12).

2. A stable bite fixture for planing the inner wall of a gear as claimed in claim 1, wherein: the inner ends of the four adjusting screws (5) point to the center of the gear support ring (2), and an angle of 90 degrees is formed between the four adjusting screws (5).

3. A stable bite fixture for planing the inner wall of a gear as claimed in claim 1, wherein: the outer cover of adjusting screw (5) is equipped with pressure spring, and pressure spring one end and the outer wall fixed connection of gear support ring (2), pressure spring's the other end are connected with annular locking gasket (8), and locking gasket (8) cover is established in the outside of adjusting screw (5).

4. A stable bite fixture for planing the inner wall of a gear as claimed in claim 3, wherein: the upper surface of the anti-loosening gasket (8) is provided with anti-skidding friction lines, and the upper surface of the anti-loosening gasket (8) is tightly attached to the lower surface of the hexagonal bolt head (7).

5. A stable bite fixture for planing the inner wall of a gear as claimed in claim 1, wherein: the outer wall of the milling cutter seat (12) is provided with a milling cutter, and the central axis of the milling cutter seat (12) is matched with the central axis of the gear support ring (2).