CN211565451U

CN211565451U - Rotary grinding head

Info

Publication number: CN211565451U
Application number: CN201921925288.8U
Authority: CN
Inventors: 李子宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-10
Filing date: 2019-11-10
Publication date: 2020-09-25
Anticipated expiration: 2029-11-10

Abstract

The utility model discloses a rotatory bistrique, a serial communication port, include that central axis (3) on the cylinder hole (2) are the basis can be rotatory location base (1) and abrasive band machine (4) are constituteed, abrasive band machine (4) set up on location base (1), the utility model discloses an abrasive band is at the direction of rotation motion, in the course of working, the cutting point of abrasive band can keep on the central axis forever, fixes a position the certain angle of base rotation and makes it tangent when cutting to certain on the circular arc, and can keep the cutting point on the image limit point on the cutting wheel forever, just so can grind on the tangent point of circular arc to the work piece that has the circular arc, the motion orbit of cutting point is a two-dimensional curve, and the loss of abrasive band is directly proportional with the arc length of circular arc, and the loss of abrasive band is very little, therefore the programming becomes easy.

Description

Rotary grinding head

Technical Field

The utility model relates to a bistrique of abrasive band machine especially relates to a bistrique in the mechanical abrasive band machine of sword scissors.

Background

At present, a plurality of hardware are punched by a punch press, the outer contour of a workpiece punched by the punch press is provided with a plurality of burrs, convex and concave and unsmooth and not smooth, for example, the back of a knife, the back of a scissors is rough when being punched, the shaping of the backs of the knife and the scissors is divided into mechanical shaping and manual shaping, the mechanical shaping has a plurality of problems, particularly, the knife with smaller circular arc is difficult to process, most of the hardware adopts manual shaping, the existing back-beating machine has a grinding head moving in the lifting direction, the workpiece can rotate in the vertical direction and can not rotate in the horizontal direction, namely, the grinding head and a workbench can be linked, but the back-beating machine has the defects of high requirement on the performance of a system, difficult programming, high cost and difficult popularization, and the grinding head of the back-beating machine is fixed to move in the up and down direction, when a workpiece with an arc is machined, a cutting point on the cutting wheel is positioned on an imaginary point, when the workpiece is machined, a problem begins to appear at the position of the cutting point of the arc, the cutting point on the cutting wheel gradually deviates from the imaginary point, and the arc of the machined workpiece has the problems of small size, high height, low height, programming and operation.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a bistrique that can rotate to the cutting point on abrasive band is a bistrique that can carry out cutting process on the central axis.

The utility model discloses a realize through following technical scheme:

according to a technical scheme adopted by the utility model, the utility model discloses a rotary grinding head, which is characterized in that the rotary grinding head comprises a positioning base 1 and an abrasive belt machine 4 which can rotate by taking a central axis 3 on a cylindrical hole 2 as a reference, the abrasive belt machine 4 is arranged on the positioning base 1, the abrasive belt machine 4 comprises a mounting plate 13, a connecting strip 25, a fixing frame 14, a cutting wheel 15, a guide rail supporting plate 16, a guide rail pair 17, a connecting plate 18, a bolt 10, a motor mounting plate 19, a motor 20, a driving wheel 21, an abrasive belt 22, a cylinder mounting plate 23 and a cylinder 24, the mounting plate 13 is fixedly arranged with the positioning base 1 through the connecting strip 25, the mounting plate is provided with the fixing frame 14, the cutting wheel 15 is arranged on the fixing frame, the mounting plate is provided with the cylinder mounting plate 23, the cylinder mounting plate is provided with the cylinder 24 playing a tensioning, the guide rail support plate 16 is positioned and installed with the installation plate through a guide rail pair 17 and can move up and down along the direction of the guide rail pair, a connecting plate 18 is arranged on the guide rail support plate, one end of the connecting plate is connected with an air cylinder 24, the other end of the connecting plate is connected with a motor installation plate 19, the motor installation plate and the connecting plate can be adjusted to a certain angle through a bolt 10 to be positioned and installed, a screw hole 12 in the connecting plate is aligned and installed with a positioning hole 11 in the motor installation plate, a motor 20 is arranged on the motor installation plate, a driving wheel 21 is arranged on the motor, and abrasive belts 22 are arranged on the.

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

because the utility model adopts the above structure, the utility model discloses an abrasive band is at the direction of rotation motion, in the course of working, the cutting point on abrasive band can keep on the center axis forever, it is tangent with it to fix a position the certain angle of base rotation when cutting to a certain point on the circular arc, and can keep the cutting point on the quadrant point of cutting wheel forever, just so can grind on the tangent point of circular arc the work piece that has the circular arc, the movement track of cutting point is a two-dimensional curve, the loss of abrasive band is directly proportional with the arc length of circular arc, and the loss of abrasive band is very little, consequently, the programming becomes easy.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a structural view of a rotary grinding head according to a preferred embodiment of the present invention.

Fig. 2 is an exploded view of the belt sander according to the preferred embodiment of the present invention.

Wherein; 1. positioning a base; 2. a cylindrical bore; 3. a central axis; 4. an abrasive belt machine; 10. A bolt; 11. positioning holes; 12. a screw hole; 13. mounting a plate; 14. a fixed mount; 15. a cutting wheel; 16. a guide rail support plate; 17. a guide rail pair; 18. a connecting plate; 19. a motor mounting plate; 20. a motor; 21. a drive wheel; 22. an abrasive belt; 23. a cylinder mounting plate; 24. a cylinder; 25. and (4) connecting strips.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the description of the attached drawings, as shown in fig. 1 and fig. 2, the utility model discloses a rotary grinding head, which is characterized in that the rotary grinding head comprises a positioning base 1 and an abrasive belt machine 4, the positioning base 1 can rotate by taking a central axis 3 on a cylindrical hole 2 as a reference, the abrasive belt machine 4 is arranged on the positioning base 1, the abrasive belt machine 4 comprises a mounting plate 13, a connecting strip 25, a fixing frame 14, a cutting wheel 15, a guide rail supporting plate 16, a guide rail pair 17, a connecting plate 18, a bolt 10, a motor mounting plate 19, a motor 20, a driving wheel 21, an abrasive belt 22, an air cylinder mounting plate 23 and an air cylinder 24, the mounting plate 13 is fixedly arranged with the positioning base 1 through the connecting strip 25, the mounting plate is provided with the fixing frame 14, the cutting wheel 15 is arranged on the fixing frame, the air cylinder mounting plate 23 is arranged on the mounting plate, the guide rail support plate 16 is positioned and installed with the installation plate through a guide rail pair 17 and can move up and down along the direction of the guide rail pair, a connecting plate 18 is arranged on the guide rail support plate, one end of the connecting plate is connected with an air cylinder 24, the other end of the connecting plate is connected with a motor installation plate 19, the motor installation plate and the connecting plate can be adjusted to a certain angle through a bolt 10 to be positioned and installed, a screw hole 12 in the connecting plate is aligned and installed with a positioning hole 11 in the motor installation plate, a motor 20 is arranged on the motor installation plate, a driving wheel 21 is arranged on the motor, and abrasive belts 22 are arranged on the.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, and for those skilled in the art, the present invention can be variously modified and changed, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary grinding head is characterized by comprising a positioning base (1) and an abrasive belt machine (4), wherein the positioning base (1) and the abrasive belt machine (4) can rotate by taking a central axis (3) on a cylindrical hole (2) as a reference, the abrasive belt machine (4) is arranged on the positioning base (1), the abrasive belt machine (4) comprises a mounting plate (13), a connecting strip (25), a fixing frame (14), a cutting wheel (15), a guide rail supporting plate (16), a guide rail pair (17), a connecting plate (18), a bolt (10), a motor mounting plate (19), a motor (20), a driving wheel (21), an abrasive belt (22), a cylinder mounting plate (23) and a cylinder (24), the mounting plate (13) is fixedly mounted with the positioning base (1) through the connecting strip (25), the mounting plate is provided with the fixing frame (14), the cutting wheel (15) is arranged on the fixing frame, the cylinder mounting plate (23) is, the pneumatic cylinder installation plate is provided with a pneumatic cylinder (24) playing a tensioning role, the guide rail support plate (16) is installed with the installation plate in a positioning mode through a guide rail pair (17) and can move up and down along the direction of the guide rail pair, the guide rail support plate is provided with a connecting plate (18), one end of the connecting plate is connected with the pneumatic cylinder (24), the other end of the connecting plate is connected with a motor installation plate (19), the motor installation plate and the connecting plate can be adjusted to be installed in a positioning mode at a certain angle through bolts (10), in addition, screw holes (12) in the connecting plate are installed in an aligned mode with positioning holes (11) in the motor installation plate, the motor installation plate is provided with a motor (20), a driving wheel (21) is arranged on the.