CN211890266U

CN211890266U - Rotary grinding head

Info

Publication number: CN211890266U
Application number: CN201921872680.0U
Authority: CN
Inventors: 李子宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-02
Filing date: 2019-11-02
Publication date: 2020-11-10
Anticipated expiration: 2029-11-02

Abstract

The utility model discloses a rotary grinding head, which comprises a positioning base, wherein a lifting feeding device which plays a lifting role is arranged on the positioning base, the lifting feeding device consists of a lifting slide seat, a lifting guide rail pair and a lifting slide plate, the lifting slide seat is arranged on the positioning base and can adjust the distance along the direction of an outline line, the lifting slide plate is positioned and installed with the lifting slide seat through the lifting guide rail pair and can move up and down along the direction of the lifting guide rail pair, the lifting feeding device is provided with a reciprocating device which can rotate a certain angle by taking a pin hole as a circle center, the reciprocating device is provided with an abrasive belt machine, the cutting point of the abrasive belt can be always kept on the central axis of the positioning base in the processing process, when a certain point on an arc is cut, the positioning base rotates a certain angle to be tangent with the positioning base, and the cutting point is kept always on the quadrant point on a, thus, the workpiece with the circular arc can be ground at the tangent point of the circular arc.

Description

Rotary grinding head

Technical Field

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

Background

At present, a grinding head of an abrasive belt machine only moves linearly in a positive direction and a negative direction, moves in a vertical direction, a left direction and a right direction or a front-back direction, and a workpiece swings at a certain angle during machining.

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 the bistrique that can carry out cutting process on the center axis of location base.

The utility model discloses a realize through following technical scheme:

according to the utility model discloses a technical scheme, the utility model discloses a rotatory bistrique, include the location base 1 that can rotate as the benchmark with the central axis 3 on the cylinder hole 2, location base 1 on be equipped with the lift feeding device 4 that plays the elevating system, lift feeding device 4 constitute by lift slide 5, the vice 6 of lift guide rail and lift slide 7, lift slide 5 set up on location base 1 and can follow the 16 direction adjustment distances of outline line, lift slide 7 through the vice 6 of lift guide rail and the installation of lift slide 5 location and can follow the vice direction up-and-down motion of lift guide rail, lift feeding device 4 on be equipped with and use the pin hole 8 as the reciprocating motion device 9 that can rotate certain angle in the centre of a circle, reciprocating motion device 9 on be equipped with abrasive band machine 15.

Furthermore, the reciprocating device 9 is composed of a reciprocating slide seat 10, a reciprocating guide rail pair 11 and a reciprocating slide plate 12, the reciprocating slide seat 10 is arranged on the lifting slide plate 7, a pin 14 on the reciprocating slide seat 10 and a pin hole 8 on the lifting slide plate 7 are positioned and installed, the reciprocating slide seat 10 can rotate by a certain angle by taking the pin 14 as a circle center to be positioned and installed, the reciprocating slide plate 12 is positioned and installed with the reciprocating slide seat 10 through the reciprocating guide rail pair 11 and can move back and forth along the reciprocating guide rail pair direction, when in machining, the abrasive belt can reduce the piercing of burrs of a workpiece through the reciprocating motion of the reciprocating slide plate 12, the abrasive belt can be ground uniformly, and abrasive grains can be reduced to fall off rapidly.

Furthermore, the belt sander 15 is composed of a mounting plate 17, a fixing frame 18, a cutting wheel 19, a guide rail supporting plate 20, a guide rail pair 21, a connecting plate 22, a bolt 29, a motor mounting plate 23, a motor 24, a driving wheel 25, an abrasive belt 26, a cylinder mounting plate 27 and a tensioning cylinder 28, the mounting plate 17 is arranged on the reciprocating sliding plate 12, the fixing frame 18 is arranged on the mounting plate 17, the cutting wheel 19 is arranged on the fixing frame, the central axis of the cutting wheel 19 is parallel to the movement track of the reciprocating sliding plate 12, the cylinder mounting plate 27 is arranged on the mounting plate 17, the tensioning cylinder 28 playing a tensioning role is arranged on the cylinder mounting plate, the guide rail supporting plate 20 is positioned and mounted with the mounting plate 17 through the guide rail pair 21 and can move up and down along the guide rail pair direction, the connecting plate 22 is arranged on the guide rail supporting plate 20, one, the other end of the connecting plate is connected with a motor mounting plate 23, a screw hole 30 on the connecting plate 22 is aligned with a positioning hole 31 on the motor mounting plate 23, the motor mounting plate 23 can be adjusted to a certain angle through a bolt 29 and is positioned and mounted with the connecting plate 22, a motor 24 is arranged on the motor mounting plate 23, a driving wheel 25 is arranged on the motor, an abrasive belt 26 is arranged on the cutting wheel 19 and the driving wheel 25, the grinding angle drives the abrasive belt to form a certain angle through adjusting the angle of a reciprocating motion device during processing, the distance can be adjusted in the direction of a contour line 16 through a lifting slide carriage 5 so as to enable the cutting point of the abrasive belt to fall on the central axis of a positioning base, when a certain point on the arc is cut, the positioning base rotates a certain angle to be tangent with the arc and keeps the cutting point on the image limit point on the cutting wheel, so that a workpiece with the arc can be ground on the tangent, so that the machined texture is sun textured.

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 rotatory, go up and down and the three axial direction motion of reciprocating motion, worker in the course of working, the cutting point on abrasive band can keep forever on the center axis of location base, it is tangent with it to fix a position the rotatory certain angle of base when cutting to a certain point on the circular arc, and keep the cutting point on the quadrant point of cutting wheel forever, just so can grind the work piece that has the circular arc on the tangent point of circular arc, and the line that processing was come out has the sun line, 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 an exploded view of a rotary grinding head according to a preferred embodiment of the present invention.

Fig. 2 is an exploded view of an abrasive belt machine with a rotary grinding head according to a preferred embodiment of the present invention.

Wherein; 1. positioning a base; 2. a cylindrical bore; 3. a central axis; 4. a lifting and feeding device; 5. a lifting slide seat; 6. a lifting guide rail pair; 7. a lifting slide plate; 8. a pin hole; 9. a reciprocating device; 10. a reciprocating slide; 11. a reciprocating guide rail pair; 12. a reciprocating slide plate; 14. a pin; 15. an abrasive belt machine; 16. contour lines; 17. mounting a plate; 18. a fixed mount; 19. a cutting wheel; 20. a guide rail support plate; 21. a guide rail pair; 22. a connecting plate; 23. a motor mounting plate; 24. a motor; 25. a drive wheel; 26. an abrasive belt; 27. a cylinder mounting plate; 28. a tensioning cylinder; 29. a bolt; 30. a screw hole; 31. and (7) positioning the holes.

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.

Please refer to the description of the attached drawings, and fig. 1 and fig. 2 show, the utility model discloses a rotary grinding head, including the location base 1 that can rotate with the central axis 3 on the cylinder hole 2 as the benchmark, location base 1 on be equipped with the lift feeding device 4 that plays the lift effect, lift feeding device 4 constitute by lift slide 5, lift guide rail pair 6 and lift slide 7, lift slide 5 set up on location base 1 and can follow the 16 direction regulation distance of outline line, lift slide 7 through lift guide rail pair 6 with lift slide 5 location installation and can follow lift guide rail pair direction up-and-down motion, lift feeding device 4 on be equipped with the reciprocating motion device 9 that can rotate certain angle with round pin hole 8 as the centre of a circle, reciprocating motion device 9 on be equipped with abrasive belt machine 15.

Preferably, the reciprocating device 9 is composed of a reciprocating slide seat 10, a reciprocating guide rail pair 11 and a reciprocating slide plate 12, the reciprocating slide seat 10 is arranged on the lifting slide plate 7, a pin 14 on the reciprocating slide seat 10 and a pin hole 8 on the lifting slide plate 7 are positioned and installed, the reciprocating slide seat 10 can rotate by a certain angle by taking the pin 14 as a circle center to be positioned and installed, the reciprocating slide plate 12 is positioned and installed with the reciprocating slide seat 10 through the reciprocating guide rail pair 11 and can move back and forth along the reciprocating guide rail pair direction, and during machining, an abrasive belt can reduce the piercing of burrs of a workpiece through the reciprocating motion of the reciprocating slide plate 12, thereby being beneficial to the uniform grinding of the abrasive belt and reducing the rapid falling of abrasive particles.

Preferably, the belt sander 15 is composed of a mounting plate 17, a fixing frame 18, a cutting wheel 19, a guide rail supporting plate 20, a guide rail pair 21, a connecting plate 22, a bolt 29, a motor mounting plate 23, a motor 24, a driving wheel 25, an abrasive belt 26, a cylinder mounting plate 27 and a tensioning cylinder 28, the mounting plate 17 is arranged on the reciprocating sliding plate 12, the fixing frame 18 is arranged on the mounting plate 17, the cutting wheel 19 is arranged on the fixing frame, the central axis of the cutting wheel 19 is parallel to the motion track of the reciprocating sliding plate 12, the cylinder mounting plate 27 is arranged on the mounting plate 17, the tensioning cylinder 28 playing a tensioning role is arranged on the cylinder mounting plate, the guide rail supporting plate 20 is positioned and mounted with the mounting plate 17 through the guide rail pair 21 and can move up and down along the guide rail pair direction, the connecting plate 22 is arranged on the guide rail supporting plate 20, the other end of the connecting plate is connected with a motor mounting plate 23, a screw hole 30 on the connecting plate 22 is aligned with a positioning hole 31 on the motor mounting plate 23, the motor mounting plate 23 can be adjusted to a certain angle through a bolt 29 and is positioned and mounted with the connecting plate 22, a motor 24 is arranged on the motor mounting plate 23, a driving wheel 25 is arranged on the motor, an abrasive belt 26 is arranged on the cutting wheel 19 and the driving wheel 25, the grinding angle drives the abrasive belt to form a certain angle through adjusting the angle of a reciprocating motion device during processing, the distance can be adjusted in the direction of a contour line 16 through a lifting slide carriage 5 so as to enable the cutting point of the abrasive belt to fall on the central axis of a positioning base, when a certain point on the arc is cut, the positioning base rotates a certain angle to be tangent with the arc and keeps the cutting point on the image limit point on the cutting wheel, so that a workpiece with the arc can be ground on the tangent, so that the machined texture is sun textured.

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) which can rotate by taking a central axis (3) on a cylindrical hole (2) as a reference, the positioning base (1) is provided with a lifting feeding device (4) which plays a lifting role, the lifting feeding device (4) consists of a lifting slide seat (5), a lifting guide rail pair (6) and a lifting slide plate (7), the lifting slide seat (5) is arranged on the positioning base (1) and can adjust the distance along the contour line (16), the lifting slide plate (7) is positioned and installed with the lifting slide seat (5) through the lifting guide rail pair (6) and can move up and down along the direction of the lifting guide rail pair, the lifting feeding device (4) is provided with a reciprocating motion device (9) which can rotate for a certain angle by taking the pin hole (8) as a circle center, and the reciprocating motion device (9) is provided with an abrasive belt machine (15).

2. A rotary grinding head according to claim 1, wherein said reciprocating means (9) comprises a reciprocating slide (10), a pair of reciprocating guide rails (11) and a reciprocating slide (12), said reciprocating slide (10) is disposed on the lifting slide (7), and a pin (14) on the reciprocating slide (10) is positioned and installed with a pin hole (8) on the lifting slide (7), said reciprocating slide (10) can be positioned and installed by rotating a certain angle with the pin (14) as a center, said reciprocating slide (12) is positioned and installed with the reciprocating slide (10) through the pair of reciprocating guide rails (11) and can move back and forth along the direction of the pair of reciprocating guide rails.

3. A rotary grinding head according to claim 1, wherein the belt sander (15) is composed of a mounting plate (17), a mounting bracket (18), a cutting wheel (19), a rail support plate (20), a guide rail pair (21), a connecting plate (22), a bolt (29), a motor mounting plate (23), a motor (24), a driving wheel (25), an abrasive belt (26), a cylinder mounting plate (27) and a tensioning cylinder (28), the mounting plate (17) is arranged on the reciprocating slide plate (12), the mounting plate (17) is provided with the mounting bracket (18), the mounting bracket is provided with the cutting wheel (19), the mounting plate (17) is provided with the cylinder mounting plate (27), the tensioning cylinder (28) is arranged on the cylinder mounting plate and plays a role in tensioning, the rail support plate (20) is positioned and mounted with the mounting plate (17) through the guide rail pair (21) and can move up and down along the guide rail pair direction, the guide rail supporting plate is characterized in that a connecting plate (22) is arranged on the guide rail supporting plate (20), one end of the connecting plate is connected with a tensioning cylinder (28), the other end of the connecting plate is connected with a motor mounting plate (23), a screw hole (30) in the connecting plate (22) is aligned with a positioning hole (31) in the motor mounting plate (23), the motor mounting plate (23) can be adjusted to be mounted at a certain angle with the connecting plate (22) through a bolt (29), a motor (24) is arranged on the motor mounting plate (23), a driving wheel (25) is arranged on the motor, and abrasive belts (26) are arranged on the cutting wheel (19) and the driving wheel (25).