CN218082147U

CN218082147U - Superhard grinding wheel convenient to change

Info

Publication number: CN218082147U
Application number: CN202222788370.9U
Authority: CN
Inventors: 吴晓冬; 刘琨; 冷冰
Original assignee: Qingdao Yi Baidu Precision Grinding Wheel Co ltd
Current assignee: Qingdao Yi Baidu Precision Grinding Wheel Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2022-12-20
Anticipated expiration: 2032-10-21

Abstract

The utility model provides a superhard grinding wheel convenient to change relates to superhard grinding wheel technical field. This superhard grinding wheel convenient to change, including the power shaft, the fixed cover of right-hand member of power shaft has connect the fixed column, and the surface of fixed column is seted up flutedly, and the surface slip of fixed column has cup jointed the activity ring, and the outer loop side of activity ring is provided with the sand ring, and the activity ring is located the inside of sand ring, and the inside of recess is provided with the kelly, and the activity ring slides and cup joints at the surface of kelly, and a plurality of circular slots have been seted up to the interior anchor ring face of sand ring, and the one end that the fixed column was kept away from to the kelly slides and pegs graft in the inside of circular slot. This superhard grinding wheel convenient to change through setting up recess, kelly, threaded rod and cardboard, because the shape of recess is the V-arrangement, can not produce when making kelly lateral shifting not hard up, only can make sand ring chucking degree increase, and the sand ring can not produce when guaranteeing just reverse rotation and become flexible, has solved when the emery wheel is just reverse rotation, and the emery wheel produces easily not hard up to take place the problem that the emery wheel breaks away from.

Description

Superhard grinding wheel convenient to change

Technical Field

The utility model relates to a superhard grinding wheel technical field specifically is a superhard grinding wheel convenient to change.

Background

The superhard grinding wheel is a bonded grinding tool which is formed by bonding a common grinding material into a certain shape (most of the common grinding material is circular, a through hole is formed in the center) and has certain strength, and when the superhard grinding wheel is used, the bonded grinding tool rotates at a high speed, and can perform coarse grinding, semi-fine grinding and fine grinding, slotting and cutting on the excircle, the inner circle, the plane, various molded surfaces and the like of a metal or nonmetal workpiece.

(application number 202022520022.4) has disclosed a superhard grinding wheel convenient to change, drive driving plate 5 through rotating two push pedal 6 and rotate, can promote chucking board 7 when driving plate 5 rotates and remove to 2 one side of keeping away from the superhard grinding wheel body, make chucking board 7 leave the inside of superhard grinding wheel body 2, can change brand-new superhard grinding wheel body 2 this moment, then the cover is on solid fixed ring 1's surface, after that reverse rotation push pedal 6, make chucking board 7 get into the inside of superhard grinding wheel body 2, fix superhard grinding wheel body 2, thereby realize the effect of being convenient for to change, but equipment in this application file is when the emery wheel is just reversing the rotation, the emery wheel produces not hard up easily, thereby take place the phenomenon that the emery wheel breaks away from.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a superhard grinding wheel convenient to change, solved when the emery wheel is just reversing the rotation, the emery wheel produces not hard up easily to take place the problem that the emery wheel breaks away from.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a superhard grinding wheel convenient to change, including the power shaft, the fixed column has been cup jointed to the right-hand member of power shaft, the surface of fixed column is seted up flutedly, the surface slip of fixed column has cup jointed the activity ring, the outer loop side of activity ring is provided with the sand ring, the activity ring is located the inside of sand ring, the inside of recess is provided with the kelly, the activity ring slides and cup joints the surface at the kelly, a plurality of circular slots have been seted up to the inner ring face of sand ring, the one end slip grafting in the inside of circular slot that the fixed column was kept away from to the kelly, the right flank fixedly connected with creel of power shaft, the inside slip grafting of creel has hollow plate, the equal slip grafting in upper and lower both ends of hollow plate has the fly leaf, the one end left surface fixedly connected with cardboard that two fly leaves were kept away from each other, the left surface activity of two cardboards cup joints the inner ring right flank face of sand ring, the right flank screw thread of creel runs through has the threaded rod, the left end rotation of threaded rod is pegged graft in the right flank of hollow plate.

Preferably, the groove is V-shaped, and the distance between the inner wall of the left end of the groove and the axis of the power shaft is greater than the distance between the inner wall of the right end of the groove and the power shaft.

Preferably, the number of the grooves is three, the three grooves are distributed in a circumferential array on the axis of the power shaft, and the number of the circular grooves is integral multiple of the number of the grooves.

Preferably, the axis of the clamping rod is vertically intersected with the axis of the power shaft, the outer surface of the clamping rod is movably sleeved with a spring A, and two ends of the spring A are respectively fixedly connected with the outer surface of the clamping rod and the outer annular surface of the movable ring.

Preferably, the inside of hollow plate is provided with spring B, and spring B's both ends are the one side fixed connection that is close to each other with two fly leaves respectively.

Preferably, the left end of the clamping plate is in a right-angle U shape, the two clamping plates are distributed in an up-and-down symmetrical mode through the axis of the power shaft, and the threaded rod and the power shaft are arranged coaxially.

(III) advantageous effects

The utility model provides a superhard grinding wheel convenient to change. The method has the following beneficial effects:

1. this superhard grinding wheel convenient to change, through setting up the recess, the kelly, threaded rod and cardboard, make the sand ring be located the left side of two cardboards, make the cardboard card the inner ring side of sand ring, then insert the kelly inside of recess, the threaded rod rotates and the engagement of barrel holder, promote sand ring and remove left, drive kelly and remove left, because the left end inner wall of recess and the distance of power shaft axis are greater than the distance of the right-hand member inner wall and the power shaft of recess, in sand ring moves left gradually, the kelly gradually with the sand ring chucking, when starting sand ring just reverse rotation after the chucking, because the shape of recess is the V-arrangement, can not produce not hard up when making kelly lateral shifting, only can make sand ring chucking degree increase, the sand ring can not become flexible when guaranteeing just reverse rotation, when the emery wheel is just reverse rotation, the emery wheel produces not hard up easily, thereby take place the problem that the emery wheel breaks away from.

2. This superhard grinding wheel convenient to change through setting up spring A and spring B, spring A has the trend that drives the kelly and be close to the power shaft, and the kelly of being convenient for resets and the recess breaks away from, and spring B has the trend that promotes two fly leaves and keep away from each other.

Drawings

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

FIG. 2 is a schematic view of the connection between the movable ring and the fixed column of the present invention;

FIG. 3 is a schematic view of the connection between the latch and the groove of the present invention;

fig. 4 is a schematic front view of a part of the structure of the present invention.

The device comprises a power shaft 1, a groove 2, a fixed column 3, a movable ring 4, a sand ring 5, a clamping rod 6, a circular groove 7, a barrel frame 8, a hollow plate 9, a movable plate 10, a clamping plate 11, a threaded rod 12, a spring A13 and a spring B14.

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.

The embodiment of the utility model provides a superhard grinding wheel convenient for replacement, as shown in figure 1-4, comprising a power shaft 1, a fixed column 3 is fixedly sleeved at the right end of the power shaft 1, a groove 2 is arranged on the outer surface of the fixed column 3, a movable ring 4 is sleeved on the outer surface of the fixed column 3 in a sliding manner, a sand ring 5 is arranged at the outer ring side of the movable ring 4, the movable ring 4 is positioned inside the sand ring 5, a clamping rod 6 is arranged inside the groove 2, the groove 2 is V-shaped, the distance between the inner wall at the left end of the groove 2 and the axis of the power shaft 1 is larger than that between the inner wall at the right end of the groove 2 and the power shaft 1, when the clamping rod 6 moves leftwards in the groove 2, the clamping rod 6 is gradually pushed to be away from the axis of the power shaft 1, the movable ring 4 is sleeved on the outer surface of the clamping rod 6 in a sliding manner, A plurality of slots 7 have been seted up to sand ring 5's interior anchor ring, the quantity of recess 2 is three, three recess 2 uses the axis circumference array distribution of power shaft 1, the quantity of a plurality of slots 7 is the integer multiple of recess 2 quantity, make three kelly 6 can insert inside slot 7 simultaneously, kelly 6 keeps away from the inside of fixed column 3's one end slip grafting at slot 7, kelly 6's axis intersects perpendicularly with power shaft 1 axis, spring A13 has been cup jointed in the surface activity of kelly 6, spring A13's both ends respectively with kelly 6's surface and activity ring 4's outer anchor ring fixed connection, spring A13 has the trend of pulling kelly 6 and the contact of 2 inner walls of recess, when guaranteeing that kelly 6 is located recess 2's right-hand member, kelly 6 can break away from in the slot 7.

The right flank fixedly connected with barrel frame 8 of power shaft 1, the inside of barrel frame 8 slides and pegs graft and has hollow plate 9, the upper and lower both ends of hollow plate 9 all slide and peg graft and have fly leaf 10, the inside of hollow plate 9 is provided with spring B14, the both ends of spring B14 respectively with the one side fixed connection that two fly leaves 10 are close to each other, spring B14 has the trend that promotes two fly leaves 10 and keep away from each other, the one end left surface fixedly connected with cardboard 11 that two fly leaves 10 kept away from each other, after promoting two fly leaves 10 and be close to each other, cardboard 11 can pass from sand ring 5 inboard, the left end of cardboard 11 is right angle U-shaped, two cardboards 11 are with the axis vertical symmetric distribution of power shaft 1, threaded rod 12 sets up with power shaft 1 is coaxial, the left flank activity of two cardboard 11 is cup jointed at the inner ring right flank of sand ring 5, the right flank screw thread of barrel frame 8 runs through threaded rod 12, the left end of threaded rod 12 rotates the right flank of pegging graft at the hollow plate 9.

The operating principle, promote two fly leaves 10 and be close to each other, make two fly leaves 10 pass from sand ring 5, move sand ring 5 to the left side of two cardboard 11, make cardboard 11 card at the inner ring right side of sand ring 5, then insert the inside of recess 2 with kelly 6, rotation threaded rod 12 and barrel holder 8 meshing, promote sand ring 5 and move left, drive kelly 6 and move left, because the left end inner wall of recess 2 and the distance of power shaft 1 axis are greater than the distance of the right-hand member inner wall of recess 2 and power shaft 1, in sand ring 5 moves left gradually, kelly 6 blocks sand ring 5 gradually, when starting sand ring 5 and rotating positively and negatively after the chucking, because the shape of recess 2 is the V-arrangement, can not produce when making kelly 6 lateral shifting, only can make sand ring 5 chucking degree increase, guarantee that sand ring 5 can not produce not become flexible when rotating positively and negatively.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 superhard grinding wheel convenient to change, includes power shaft (1), its characterized in that: the right end of the power shaft (1) is fixedly sleeved with the fixed column (3), a groove (2) is formed in the outer surface of the fixed column (3), a movable ring (4) is connected to the outer surface of the fixed column (3) in a sliding and sleeving mode, a sand ring (5) is arranged on the outer ring side of the movable ring (4), the movable ring (4) is located inside the sand ring (5), a clamping rod (6) is arranged inside the groove (2), the movable ring (4) is connected to the outer surface of the clamping rod (6) in a sliding and sleeving mode, a plurality of circular grooves (7) are formed in the inner ring surface of the sand ring (5), one end, far away from the fixed column (3), of the clamping rod (6) is connected to the inside of the circular grooves (7) in a sliding and inserting mode, a barrel frame (8) is fixedly connected to the right side surface of the power shaft (1), a hollow plate (9) is connected to the inner ring surface in a sliding and inserting mode, the upper end and the lower end of the hollow plate (9) are connected to the movable plate (10) in a sliding and inserting mode, clamping plates (11) are fixedly connected to the left side surface of the left side surface, threaded rods (12) of the hollow plate (10) which are far away from each other, the left side surface of the hollow plate (11) penetrates through the threaded rod (5), and penetrates through the right side surface of the threaded rod (12).

2. A superhard grinding wheel for easy replacement as claimed in claim 1, wherein: the shape of the groove (2) is V-shaped, and the distance between the inner wall of the left end of the groove (2) and the axis of the power shaft (1) is greater than the distance between the inner wall of the right end of the groove (2) and the power shaft (1).

3. A superhard grinding wheel for facilitating replacement according to claim 1, wherein: the number of the grooves (2) is three, the three grooves (2) are distributed in a circumferential array mode by the axis of the power shaft (1), and the number of the circular grooves (7) is integral multiple of the number of the grooves (2).

4. A superhard grinding wheel for easy replacement as claimed in claim 1, wherein: the axis of the clamping rod (6) is vertically crossed with the axis of the power shaft (1), a spring A (13) is movably sleeved on the outer surface of the clamping rod (6), and two ends of the spring A (13) are fixedly connected with the outer surface of the clamping rod (6) and the outer annular surface of the movable ring (4) respectively.

5. A superhard grinding wheel for easy replacement as claimed in claim 1, wherein: the hollow plate (9) is internally provided with a spring B (14), and two ends of the spring B (14) are fixedly connected with one surfaces of the two movable plates (10) which are close to each other respectively.

6. A superhard grinding wheel for easy replacement as claimed in claim 1, wherein: the left end of cardboard (11) is right angle U-shaped, and two cardboard (11) are with the axis longitudinal symmetry distribution of power shaft (1), threaded rod (12) and coaxial setting of power shaft (1).