CN210189354U

CN210189354U - High-precision arc tool for tool grinding

Info

Publication number: CN210189354U
Application number: CN201920313489.6U
Authority: CN
Inventors: Kun Liu; 刘琨
Original assignee: Chengdu Xinchuan Aviation Tools Co Ltd
Current assignee: Chengdu Xinchuan Aviation Tools Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2020-03-27
Anticipated expiration: 2029-03-13

Abstract

The utility model discloses a high-precision circular arc tooling for tool grinding, which comprises an operation plate, a first built-in hole is arranged on the operation plate, a first shaft sleeve is arranged in the first built-in hole, and teeth are arranged on the first shaft sleeve A square hole is communicated with the first built-in hole, a square rod is arranged in the sliding sleeve in the square hole, one end of the square rod is provided with a stretching block, the other end of the square rod is provided with a tooth, and the tooth is engaged with the tooth. The tool grinds a high-precision arc tooling, which can clamp and fix the arc-shaped workpiece through two clamping seats. Through the rotation effect of the shaft sleeve, the opening of the clamping seat can meet the curved shape of the arc-shaped workpiece as much as possible. The bushing meshes with the teeth through the teeth, so that the stability of the arc-shaped workpiece can be ensured during the adjustment of the angle. adjustment.

Description

High-precision arc tool for tool grinding

Technical Field

The utility model relates to a circular arc frock technical field specifically is a high accuracy circular arc frock is ground to instrument.

Background

When the arc workpiece is ground on the grinding machine, arc work needs to be carried out, namely, according to the machining requirement, arc machining needs to be carried out on the arc workpiece by the tool bit, when the existing arc workpiece is machined, most of the existing arc workpiece is supported by the cylinders, the cylinders are extruded due to force, the deformation of the thin arc workpiece is easily caused, meanwhile, most of the cylinders are supported by two sides, and when machining is carried out, if slight vibration occurs up and down, the arc machining quality is also influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an instrument grinds high accuracy circular arc frock to solve the tradition and add man-hour to the arc work piece, fixed effect is poor to lead to walking the problem that the arc quality is not high.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an instrument grinds high accuracy circular arc frock, includes the operation panel, be provided with first built-in hole on the operation panel, be provided with first axle sleeve in the first built-in hole, be provided with tooth on the first axle sleeve, the downthehole intercommunication of first built-in has the quad slit, sliding sleeve is equipped with the quad slit in the quad slit, the one end of quad slit is provided with tensile piece, the other end of quad slit is provided with the latch, latch meshing tooth, be provided with the spring on the latch, the other end setting of spring is at the inner wall in first built-in hole.

Preferably, the operating panel is provided with a second built-in hole, the second built-in hole is internally provided with a moving frame, the moving frame is provided with a sliding strip, the second built-in hole is internally provided with a sliding groove, the sliding strip is connected with the sliding groove in a sliding manner, and a second shaft sleeve is connected with the moving frame in an inner shaft.

Preferably, the lower ends of the first shaft sleeve and the second shaft sleeve are respectively provided with a poking pin, the second shaft sleeve and the second shaft sleeve are also provided with clamping seats, and the grooves of the two clamping seats are internally provided with arc-shaped workpieces.

Preferably, a threaded hole is formed in the clamping seat, a threaded knob is connected to the threaded hole in an internal thread mode, a silica gel pad is arranged at the other end of the threaded knob, and the silica gel pad is tightly attached to the arc-shaped workpiece.

Preferably, the available angle range of rotation of the holder is between plus or minus 75 degrees.

Preferably, the first built-in hole and the second built-in hole have the same size.

Preferably, the concave surface of the holder is a plane.

Compared with the prior art, the beneficial effects of the utility model are that: this instrument grinds high accuracy circular arc frock: 1. The arc-shaped workpiece can be clamped and fixed through the two clamping seats, and the opening of each clamping seat can meet the bending shape of the arc-shaped workpiece as far as possible through the rotating effect of the shaft sleeve;

2. the first shaft sleeve is meshed with the teeth through the clamping teeth, so that the stability of the arc-shaped workpiece can be guaranteed to be different when the angle is adjusted, and the second shaft sleeve moves in the sliding groove through the sliding strip, so that the second shaft sleeve can be adjusted according to the size of the arc-shaped workpiece.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of two built-in holes and a part of the structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the inner side of the first built-in hole of the present invention;

fig. 4 is a schematic view of a first built-in hole overlooking partial structure of the present invention.

In the figure: the device comprises an operation plate 1, a first built-in hole 11, a first shaft sleeve 12, a tooth 13, a square hole 14, a square rod 15, a stretching block 16, a latch 17, a spring 18, a second built-in hole 2, a moving frame 21, a sliding groove 22, a sliding strip 23, a second shaft sleeve 24, a shifting pin 3, a clamping seat 31, an arc workpiece 32, a threaded hole 4 and a threaded knob 41.

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, fig. 3 and fig. 4, the present invention provides a technical solution: the utility model provides an instrument grinds high accuracy circular arc frock, including operation panel 1, be provided with first built-in hole 11 on the operation panel 1, be provided with primary shaft cover 12 in the primary shaft cover 11, be provided with tooth 13 on the

primary shaft cover

12, 11 in-connection in the primary shaft cover has quad slit 14, sliding sleeve is equipped with quad bar 15 in quad slit 14, quad bar 15's one end is provided with tensile piece 16, tensile piece 16 and quad bar 15 fixed connection, quad bar 15's the other end is provided with latch 17, latch 17 meshing tooth 13, be provided with spring 18 on the latch 17, the part fixed connection at spring 18 and both ends, spring 18's the other end sets up the inner wall at primary shaft hole 11.

Referring to fig. 1 and 2, a second built-in hole 2 is formed in the operating panel 1, a moving frame 21 is arranged in the second built-in hole 2, a sliding bar 23 is arranged on the moving frame 21, a sliding groove 22 is formed in the second built-in hole 2, the sliding bar 23 is connected with the sliding groove 22 in a sliding mode, a second shaft sleeve 24 is connected in the moving frame 21 in an inner shaft mode, distance adjustment can be conducted conveniently according to the size of an arc-shaped workpiece 32, and the first built-in hole 11 and the second built-in hole 2 are identical in size.

Referring to fig. 1 and 3, the lower ends of the first shaft sleeve 12 and the second shaft sleeve 24 are respectively provided with a poking pin 3, the second shaft sleeve 24 and the second shaft sleeve 24 are further provided with a clamping seat 31, the inner concave surface of the clamping seat 31 is a plane, the rotation available angle range of the clamping seat 31 is between plus or minus 75 degrees, and the grooves of the two clamping seats 31 are internally provided with arc-shaped workpieces 32 which can be rotated and adjusted according to the radian of the arc-shaped workpieces 32, so that clamping is convenient.

Referring to fig. 3, a threaded hole 4 is formed in the holder 31, a threaded knob 41 is connected to the threaded hole 4 in an internal thread manner, a silica gel pad is arranged at the other end of the threaded knob 41, the silica gel pad is tightly attached to the arc-shaped workpiece 32, the bottom edge of the arc-shaped workpiece 32 can be clamped and fixed, and the tool bit can perform better arc machining during machining.

The utility model discloses when concrete implementation: when the arc-shaped workpiece 32 needs to be clamped, the position of the moving frame 21 is adjusted according to the size of the arc-shaped workpiece, the moving frame 21 can horizontally move left and right by sliding the slide bar 23 in the sliding groove 22, then one end of the foot of the arc-shaped workpiece 32 is inserted into the clamping seat 31 in the moving frame 21, then the corresponding threaded knob 41 is in threaded connection with the threaded hole 4, a silica gel pad at the end of the threaded knob 41 is tightly attached to the arc-shaped workpiece 32 and is matched with the clamping seat 31 to clamp and fix one end of the foot of the arc-shaped workpiece 32, then the second shaft sleeve 24 is properly rotated, then the stretching block 16 is pulled outwards, the latch 17 is disengaged from the tooth 13 by the compression effect of the spring 18, then the first shaft sleeve 12 is rotated, the other end of the arc-shaped workpiece 32, which is symmetrical to the foot, then the latch 13 is reengaged with the tooth 17 at the current position by the resetting effect of the spring 18, finally, the corresponding threaded knob 41 is rotated, so that the threaded knob 41 in the first built-in hole 11 is matched with the clamping seat 31, the other end of the bottom foot can be fixed, the integral clamping is completed, and the arc can be stably moved when the arc-shaped workpiece is ground.

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 high accuracy circular arc frock is ground to instrument, includes operation panel (1), its characterized in that: be provided with first built-in hole (11) on operation panel (1), be provided with first axle sleeve (12) in first built-in hole (11), be provided with tooth (13) on first axle sleeve (12), intercommunication has quad slit (14) in first built-in hole (11), sliding sleeve is equipped with quad bar (15) in quad slit (14), the one end of quad bar (15) is provided with tensile piece (16), the other end of quad bar (15) is provided with latch (17), latch (17) meshing tooth (13), be provided with spring (18) on latch (17), the other end setting of spring (18) is at the inner wall of first built-in hole (11).

2. The tool grinding high-precision arc tool according to claim 1, characterized in that: the operation panel (1) is provided with a second built-in hole (2), the second built-in hole (2) is internally provided with a moving frame (21), the moving frame (21) is provided with a sliding strip (23), the second built-in hole (2) is internally provided with a sliding groove (22), the sliding strip (23) is in sliding connection with the sliding groove (22), and the moving frame (21) is internally connected with a second shaft sleeve (24).

3. The tool grinding high-precision arc tool according to claim 2, characterized in that: the lower ends of the first shaft sleeve (12) and the second shaft sleeve (24) are respectively provided with a poking pin (3), clamping seats (31) are further arranged on the second shaft sleeve (24) and the second shaft sleeve (24), and arc-shaped workpieces (32) are arranged in grooves of the two clamping seats (31).

4. The tool grinding high-precision arc tool according to claim 3, characterized in that: the clamp seat (31) is provided with a threaded hole (4), the threaded hole (4) is connected with a threaded knob (41) in an internal thread mode, the other end of the threaded knob (41) is provided with a silica gel pad, and the silica gel pad is tightly attached to the arc-shaped workpiece (32).

5. The tool grinding high-precision arc tool according to claim 3, characterized in that: the available angle range of the rotation of the clamping seat (31) is between plus or minus 75 degrees.

6. The tool grinding high-precision arc tool according to claim 2, characterized in that: the first built-in hole (11) and the second built-in hole (2) are the same in size.

7. The tool grinding high-precision arc tool according to claim 3, characterized in that: the inner concave surface of the clamp seat (31) is a plane.