CN218575926U

CN218575926U - Grinding wheel arc dresser

Info

Publication number: CN218575926U
Application number: CN202222846469.XU
Authority: CN
Inventors: 胡精明; 方新军; 朱兰伟; 杨辉斌
Original assignee: Wuxue City Changjiang Tools Co ltd
Current assignee: Wuxue City Changjiang Tools Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-07
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a emery wheel circular arc trimmer, emery wheel circular arc trimmer includes: the device comprises a base, a rotating device, a positioning plate and an eccentric device; the positioning plate is connected with the rotating device and the eccentric device; the rotating device comprises a bearing seat, a bearing shaft and a connecting plate; the bearing block is connected with the base, and the bearing shaft is arranged in the bearing block; the connecting plate is connected with the positioning plate; the eccentric device comprises a support arranged in the vertical direction of the positioning plate, and the positioning plate, a control rod, a cutter setting rod and a diamond pen are sequentially arranged on the support along the direction far away from the positioning plate; the support is fixed with the positioning plate through a bolt; the bearing shaft and the locating plate are relatively fixed, the diamond pen and the control rod are arranged in parallel with the locating plate, and the diamond pen can be controlled to rotate along the central shaft of the support by operating the control rod. The utility model discloses a dressing of work piece circular arc just can be realized through simple assembly structure to emery wheel circular arc dresser, and can realize the concave circular arc of emery wheel and the dressing of protruding circular arc, satisfy the precision demand of work piece.

Description

Grinding wheel arc dresser

Technical Field

The utility model relates to the technical field of mechanical equipment, especially, relate to a emery wheel circular arc trimmer.

Background

The wheel truer is a public key component of a no-new grinding machine that uses a truing tool to true or dress the wheel to a dull finish to restore the grinding performance and correct geometry of the working surface. Due to the increase of the demand of grinding wheels of different types and sizes, the requirement on a grinding wheel dresser is also continuously improved, the existing grinding wheel dresser is complicated in structure and can only feed in a straight line, and the fine adjustment of an arc on the grinding wheel cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model provides a emery wheel circular arc dresser, emery wheel circular arc dresser includes: the device comprises a base, a rotating device, a positioning plate and an eccentric device; the positioning plate is connected with the rotating device and the eccentric device;

the rotating device comprises a bearing seat, a bearing shaft and a connecting plate; the bearing block is connected with the base, and the bearing shaft is arranged in the bearing block; the connecting plate is connected with the positioning plate;

the eccentric device comprises a support arranged in the vertical direction of the positioning plate, and the support is sequentially provided with the positioning plate, a control rod, a tool setting rod and a diamond pen along the direction far away from the positioning plate; the support is fixed with the positioning plate through a bolt; the bearing shaft and the positioning plate are relatively fixed, the diamond pen and the control rod are arranged in parallel with the positioning plate, and the diamond pen can be controlled to rotate along the central shaft of the support by operating the control rod.

Optionally, the grinding wheel arc dresser further comprises a fine adjustment screw connected with the support, arranged between the diamond pen and the tool setting rod, and arranged in parallel with the tool setting rod.

Optionally, a detachable feeler block is arranged on the feeler lever, and the feeler block is located on one side where a pen point of the diamond pen is located.

Optionally, the bearing shaft and bearing housing are connected by at least one bearing.

Optionally, the positioning plate has at least one positioning hole, and the positioning plate is provided with a positioning pin at the positioning hole to fixedly connect the positioning plate and the connecting plate.

Optionally, the connecting plate is connected to the bearing shaft by a screw.

The utility model provides a grinding wheel circular arc dresser just can realize the repairment of work piece circular arc through simple assembly structure, and can realize the concave circular arc of emery wheel and the repairment of convex circular arc, satisfies the precision demand of work piece.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of an arc corrector provided in an embodiment of the present invention;

fig. 2 is another schematic view of an arc corrector according to an embodiment of the present invention;

FIG. 3 is a schematic view of a workpiece to be finished according to an embodiment of the present invention;

fig. 4 is a schematic view of another workpiece to be trimmed according to an embodiment of the present invention;

the device comprises a base 1, a bearing seat 2, a single-row radial ball bearing 3, a plane bearing 4, a bearing shaft 5, a connecting plate 6, a cross recessed countersunk head screw 7, a positioning plate 8, a spring washer 9, a hexagon socket head cap screw 10, a positioning pin 11, a hexagon nut 12, a pair of blocks 13, a diamond clamping block 14, a bolt 15, a support 16, a bolt 17, a diamond pen 18, a fine adjustment screw 19, a cutter holder 20, a bolt 21, a bolt 22, a handle ball 23, a handle 24, a hexagon socket head cap bolt 25, a bolt 26, a plane bearing 27, a gland 28, a hexagon socket head cap bolt 29 and a control rod 30.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

As shown in fig. 1 and 2, the embodiment of the utility model provides a emery wheel circular arc dresser, on the whole, the emery wheel circular arc dresser of this embodiment includes: base 1, rotary device, locating plate 8 and eccentric device. Wherein, base 1 is the bottom of whole emery wheel circular arc trimmer, plays the supporting role. The rotating device is connected with the base 1, and the positioning plate 8 is connected with the rotating device and the eccentric device.

The rotating device comprises a bearing seat 2, a bearing shaft 5 and a connecting plate 6; the bearing seat 2 is connected with the base 1 and is fixed on the base 1 through a bolt 25, and the bolt 25 can be connected with an inner hexagonal round bolt head. The bearing shaft 5 is arranged in the bearing seat 2; the bearing shaft 5 and the bearing seat 2 are connected by at least one bearing, and in fig. 1, the bearing shaft 5 and the bearing seat 2 are connected by a plurality of single-row radial ball bearings 3 and a planar bearing 4. The upper part of the bearing shaft 5 is provided with a connecting plate 6 and is fixed by a plurality of screws 7, and the screws 7 can be cross-recessed countersunk head screws. A positioning plate 8 is arranged above the connecting plate 6, and the connecting plate 6 is connected with the positioning plate 8. The positioning plate 8 is provided with at least one positioning hole, and the positioning plate 8 is provided with a positioning pin 11 at the positioning hole to fixedly connect the positioning plate 8 and the connecting plate 6. The bottom of the bearing seat 2 is also connected with a bolt 26 inserted from the base 1, and the bolt 26 is connected with the positioning pin 11. The bearing shaft 5 and the positioning plate 8 are relatively fixed. As shown in fig. 1, the vertical central axis of the bearing seat 2 may coincide with the reference axis a, and after the reference axis a is assembled, the self coaxiality error does not exceed Φ 0.04.

The eccentric device comprises a support 16 arranged in the vertical direction of the positioning plate 8, the support 16 has a central axis in the vertical direction, and the central axis of the support 16 is parallel to the central axis of the bearing seat 2 of the rotating device. One end of the support 16 is fixedly connected with the positioning plate 8, and the support 16 is fixed with the positioning plate 8 through a bolt 21. The bolt 21 may be a hexagon head bolt. A positioning plate 8, a control rod 30, a pair of cutter rods 20 and a diamond pen 18 are sequentially arranged on the support 16 along the direction far away from the positioning plate 8; the diamond pen 18 and the control rod 30 are arranged in parallel with the positioning plate 8. The diamond pen 18 is connected with the support 16 and extends towards two sides of the support 16; the tool setting rod 20 is connected with the support 16 and extends to two sides of the support 16, a detachable tool setting block 13 is arranged at one end of the tool setting rod 20, and the tool setting block 13 is located on one side where the pen point of the diamond pen 18 is located. When the tool setting block 13 is mounted on the tool setting bar 20, the tool setting block is fixed by the bolt 22 and the nut 12, wherein the bolt 22 can be a hexagon bolt, and the nut 12 is a hexagon nut. The small diameter of the M8 thread of the diamond clamping block 14 and the blind hole on the positioning plate 8 are processed simultaneously after being assembled, when the positioning plate 8 and the connecting plate 6 are assembled, the positioning pin 11 can be assembled firstly, then the screw 7 can be assembled, and the positioning pin 11 can be taken down after the assembly.

The grinding wheel arc dresser further comprises a fine adjustment screw 19 connected with the support 16, and the fine adjustment screw is arranged between the diamond pen 18 and the tool bar pair 20 and is parallel to the tool bar pair 20. One end of the fine adjustment screw rod 19 is connected with the support 16, the other end of the fine adjustment screw rod extends towards the tail end of the diamond pen 18, the diamond pen 18 is arranged on the support 16 through the diamond clamping block 14, and the diamond clamping block 14 is connected with the fine adjustment screw rod 19. The top of the seat 16 may also be provided with a bolt 15 (which may be a hexagon head bolt) to fix the diamond clamp block 14. The diamond clamping block 14 is provided with a bolt 17 to fix the diamond pen and the diamond clamping block 14.

One end of the control rod 30 is connected with the support 16, and the other end is provided with a handle 24 and a handle ball 23, and the diamond pen 18 can be controlled to rotate along the central axis of the support 16 by operating the control rod 30, so that arc trimming of a workpiece is realized. Normally, the pen point of the diamond pen 18 is located at the reference axis a of the rotating device, the horizontal distance between the pen point of the diamond pen 18 and the reference axis a is adjusted to realize the concave arc of the grinding wheel as shown in fig. 3 or the convex arc of the grinding wheel as shown in fig. 4, the correction arc of the diamond pen 18 can be realized by operating the control rod 30, and the distance between the pen point of the diamond pen 18 and the feeler block 13 can be realized by controlling the fine adjustment screw 19. The dimension a in the drawing is a horizontal distance between the reference axis a and the end surface of the support 16, and may be specifically set according to different requirements, which is 25.5mm in this embodiment, it should be noted that the dimension in the drawing in this embodiment is only schematic, and may be adjusted according to different requirements in practical application, and this embodiment does not specifically limit the same.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a emery wheel circular arc dresser which characterized in that, emery wheel circular arc dresser includes: the device comprises a base, a rotating device, a positioning plate and an eccentric device; the positioning plate is connected with the rotating device and the eccentric device;

the eccentric device comprises a support arranged in the vertical direction of the positioning plate, and the support is sequentially provided with the positioning plate, a control rod, a tool setting rod and a diamond pen along the direction far away from the positioning plate; the support is fixed with the positioning plate through a bolt; the bearing shaft and the locating plate are fixed relatively, the diamond pen, the control rod and the locating plate are arranged in parallel, and the diamond pen can be controlled to rotate along the central shaft of the support by operating the control rod.

2. The grinding wheel arc dresser of claim 1, further comprising a fine adjustment screw connected to the support, disposed between the diamond pen and the pair of tool bars, and disposed parallel to the pair of tool bars.

3. The grinding wheel arc dresser of claim 1, wherein the tool setting bar is provided with a detachable tool setting block, and the tool setting block is positioned on one side of a tip of the diamond pen.

4. The abrasive wheel arc dresser of claim 1, wherein said bearing shaft and bearing housing are connected by at least one bearing.

5. The grinding wheel dresser for circular arcs according to claim 1, wherein the positioning plate has at least one positioning hole, and the positioning plate is provided with a positioning pin at the positioning hole to fixedly connect the positioning plate and the connecting plate.

6. The abrasive wheel arc dresser of claim 1, wherein said connecting plate is connected to said bearing shaft by screws.