CN210790567U

CN210790567U - Speed-changing grinding wheel for common grinding machine

Info

Publication number: CN210790567U
Application number: CN201921627609.6U
Authority: CN
Inventors: 樊治涛; 王�华
Original assignee: Guangji Taicang Precision Mold Co ltd
Current assignee: Guangji Taicang Precision Mold Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-19
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a emery wheel, in particular to ordinary variable speed emery wheel for grinding machine belongs to machining technical field. The utility model discloses a speed change emery wheel for ordinary grinding machine, including grinding wheel assembly, it is fixed that motor coupling mechanism and latch mechanism chucking are passed through at grinding wheel assembly upper and lower both ends, grinding wheel assembly includes the emery wheel, the emery wheel inner ring has been seted up the connecting hole that the multiunit used emery wheel axis to distribute as the shaft annular equidistance all around, motor coupling mechanism includes the connecting axle that is connected with driving motor. The utility model uses the fixed circular plate and the first clamping end block to clamp and fix the grinding wheel component through the first fixed rod and the second fixed rod, and has high stability; the utility model discloses use a bolt to fix it, make things convenient for the dismouting, improved change speed, the utility model discloses well joint mechanism hides at the plectane of emery wheel terminal surface and hides the inslot, can not influence the bottom surface to polishing of work piece, all around can polish the work piece with the bottom surface.

Description

Speed-changing grinding wheel for common grinding machine

Technical Field

The utility model relates to a emery wheel, in particular to ordinary variable speed emery wheel for grinding machine belongs to machining technical field.

Background

The grinding wheel is also called a consolidation grinding tool, the grinding wheel is a consolidation grinding tool with certain strength and is formed by consolidating common grinding materials into a certain shape (mostly circular, with a through hole in the center) by a binding agent, the grinding wheel generally comprises the grinding materials, the binding agent and the air hole, the three parts are commonly called three elements of the consolidation grinding tool, and according to different classifications of the binding agent, the grinding wheel is commonly ceramic (binding agent) grinding wheels, resin (binding agent) grinding wheels and rubber (binding agent) grinding wheels. The grinding wheel is the one with the largest use amount and the widest use range in the grinding tool, rotates at high speed when in use, and can perform coarse grinding, semi-fine grinding, slotting, cutting and the like on the excircle, the inner circle, the plane, various molded surfaces and the like of a metal or nonmetal workpiece.

The emery wheel is the vulnerable article, needs often to change, but current emery wheel change speed is slow, and the dismouting is inconvenient, and simultaneously, the stability of current emery wheel is not high, appears becoming flexible after the live time is long easily, and simultaneously, current emery wheel can't use the bottom to polish the work piece because of fixed reason for some.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a speed change emery wheel is used to ordinary grinding machine to solve the current emery wheel dismouting inconvenient, the stability is not high and can't use the bottom to carry out the problem of polishing to the work piece that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the variable-speed grinding wheel for the common grinding machine comprises a grinding wheel assembly, wherein the upper end and the lower end of the grinding wheel assembly are clamped and fixed through a motor connecting mechanism and a clamping mechanism, the grinding wheel assembly comprises a grinding wheel, a plurality of groups of connecting holes which are distributed in an annular and equidistant mode by taking the central axis of the grinding wheel as a shaft are formed in the inner ring of the grinding wheel, the motor connecting mechanism comprises a connecting shaft connected with a driving motor, a first clamping end block fixedly connected with the lower end of the connecting shaft is fixedly connected with a first fixing rod in a splicing and adapting mode with the connecting holes, the clamping mechanism comprises a fixed circular plate, a plurality of groups of second fixing rods in a splicing and adapting mode with the connecting holes are fixedly connected with the upper end of the fixed circular plate, a through hole is formed in the center.

As a preferred technical scheme of the utility model, the jack has all been seted up to first dead lever lower extreme, the equal fixedly connected with inserted bar in second dead lever upper end, just the inserted bar is pegged graft in the jack, and first dead lever and second dead lever obtain fixing, can not produce and rock, and it is effectual to the fixed stability of emery wheel subassembly.

As a preferred technical scheme of the utility model, the through-hole lower extreme has been seted up the bolt head and has been hidden the groove, the bolt head that the bolt was equipped with hides the interior volume looks adaptation of groove with the bolt head, the bolt head can not contact with the work piece when the emery wheel rotates, and it is effectual to polish.

As a preferred technical scheme of the utility model, bolt and bolt head hide and are equipped with the rubber gasket between the inslot wall, the bolt is effectual to the fixed of latch mechanism and grinding wheel subassembly, can not produce the pine phenomenon of taking off.

As a preferred technical scheme of the utility model, first joint end block lower extreme face center department sets up the bolt hole of being connected with the bolt rotation for it is fixed with the bolt rotation.

As a preferred technical scheme of the utility model, the terminal surface inner ring position has seted up the plectane and has hidden the groove under the emery wheel, the plectane hides groove and fixed plectane shape looks adaptation, the size that the groove degree of depth was hidden to fixed plectane thickness ratio plectane is little, can not influence the grinding effect of emery wheel subassembly terminal surface under the use.

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

the utility model uses the fixed circular plate and the first clamping end block to clamp and fix the grinding wheel component through the first fixed rod and the second fixed rod, and has high stability;

the utility model uses a bolt to fix the device, which is convenient for disassembly and assembly and improves the replacing speed;

the utility model discloses well joint mechanism hides in the plectane of emery wheel terminal surface hides the inslot, can not influence the bottom surface to polishing of work piece, can all polish the work piece with the bottom surface all around.

Drawings

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

fig. 2 is a schematic structural view of a top view of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is a schematic structural view of the motor connecting mechanism of the present invention;

FIG. 5 is a schematic structural view of a top view of the clamping mechanism of the present invention;

FIG. 6 is a schematic structural view of the middle latch mechanism of the present invention from the bottom;

fig. 7 is a schematic structural view of a top view of the grinding wheel assembly of the present invention;

fig. 8 is a structural schematic diagram of the bottom view angle of the middle grinding wheel assembly of the present invention.

In the figure: 1. a motor connecting mechanism; 101. a connecting shaft; 102. a first clamping end block; 103. a first fixing lever; 104. bolt holes; 105. a jack; 2. a clamping mechanism; 201. inserting a rod; 202. a through hole; 203. a second fixing bar; 204. fixing the circular plate; 205. the bolt head hides the trough; 3. a bolt; 4. a grinding wheel assembly; 401. a grinding wheel; 402. connecting holes; 403. a circular plate hiding groove; 5. a rubber gasket.

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. 1-8, the present invention provides a variable-speed grinding wheel for a common grinding machine, including a grinding wheel assembly 4, the upper and lower ends of the grinding wheel assembly 4 are clamped and fixed by a motor connecting mechanism 1 and a clamping mechanism 2, the grinding wheel assembly 4 includes a grinding wheel 401, a plurality of sets of connecting holes 402 are disposed around the inner ring of the grinding wheel 401, the connecting holes 402 are distributed equidistantly and take the central axis of the grinding wheel 401 as a shaft, in this embodiment, the number of the connecting holes 402 is four, the motor connecting mechanism 1 includes a connecting shaft 101 connected with a driving motor, the driving motor is a speed reducing motor (not shown in the figure) capable of controlling the rotating speed, the lower end of the connecting shaft 101 is fixedly connected with a first clamping end block 102, the lower end of the first clamping end block 102 is fixedly connected with a first fixing rod 103 adapted to the connecting hole 402, the clamping mechanism 2 includes a fixing circular plate, the number and the position of the first fixing rods are equal to the number of the second fixing rods 203, the center of the fixing circular plate 204 is provided with a through hole 202, a bolt 3 rotatably connected with the first clamping end block 102 penetrates through the through hole 202, and the size of a screw of the bolt is matched with the size of the through hole 202.

The lower end of the first fixing rod 103 is provided with an insertion hole 105, the upper end of the second fixing rod 203 is fixedly connected with an insertion rod 201, the insertion rod 201 is inserted in the insertion hole 105, the first fixing rod 103 and the second fixing rod 203 are fixed without shaking, the fixing and stabilizing effect on the grinding wheel assembly 4 is good, the lower end of the through hole 202 is provided with a bolt head hiding groove 205, the bolt head of the bolt 3 is matched with the inner volume of the bolt head hiding groove 205, the bolt head cannot be contacted with a workpiece when the grinding wheel 401 rotates, the grinding effect is good, a rubber gasket 5 is arranged between the bolt 3 and the inner wall of the bolt head hiding groove 205, the fixing effect of the bolt 3 on the clamping mechanism 2 and the grinding wheel assembly 4 is good, the loosening phenomenon cannot be generated, the bolt hole 104 which is rotationally connected with the bolt 3 is arranged at the center of the lower end face of the first clamping mechanism 102 and is used for rotationally fixing with the bolt 3, the shape of the circular plate hiding groove 403 is matched with that of the fixed circular plate 204, and the thickness of the fixed circular plate 204 is smaller than the depth of the circular plate hiding groove 403, so that the polishing effect of the lower end face of the grinding wheel assembly 4 in use is not affected.

The working principle of the utility model will be specifically explained below: during the use, be connected motor coupling mechanism 1 with gear motor's output, can realize speed control to grinding wheel assembly 4, pass through connecting hole 402 joint with emery wheel 401 on first dead lever 103, pass through second dead lever 203 joint with fixed plectane 204 in connecting hole 402, inserted bar 201 pegs graft with jack 105 mutually, make grinding wheel assembly 4's joint stable, and simultaneously, use bolt 3 to run through-hole 202, rotate with bolt hole 104 and be connected, the convenient dismantlement of setting when the installation is stable like this is changed, and simultaneously, fixed plectane 204 thickness will hide the size of the groove 403 degree of depth than the plectane and be little, fixed plectane 204 is hidden in plectane hidden groove 403, emery wheel 401 all around and the bottom surface can all polish the work piece.

To sum up, the utility model discloses ordinary variable speed emery wheel for grinding machine uses fixed plectane 204 and first joint end block 102 to fix the 4 centre grippings of emery wheel subassembly through first dead lever 103 and second dead lever 203, and stability is high, and uses a bolt 3 to fix it, makes things convenient for the dismouting, has improved change speed, and latch mechanism 2 hides in the plectane hiding groove 403 of emery wheel 401 terminal surface simultaneously, can not influence the polishing of bottom surface to the work piece.

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 variable-speed grinding wheel for the common grinding machine comprises a grinding wheel component (4) and is characterized in that the upper end and the lower end of the grinding wheel component (4) are clamped and fixed through a motor connecting mechanism (1) and a clamping mechanism (2), the grinding wheel component (4) comprises a grinding wheel (401), a plurality of groups of connecting holes (402) which are distributed in an annular and equidistant mode by taking the central axis of the grinding wheel (401) as a ring are formed in the periphery of the inner ring of the grinding wheel (401), the motor connecting mechanism (1) comprises a connecting shaft (101) connected with a driving motor, the lower end of the connecting shaft (101) is fixedly connected with a first clamping end block (102), the lower end of the first clamping end block (102) is fixedly connected with a first fixing rod (103) which is in splicing fit with the connecting holes (402), the clamping mechanism (2) comprises a fixing circular plate (204), the upper end of the fixing circular plate (204, the center of the fixed circular plate (204) is provided with a through hole (202), and a bolt (3) rotatably connected with the first clamping end block (102) penetrates through the through hole (202).

2. The variable speed grinding wheel for a general grinding machine according to claim 1, characterized in that: jack (105) have all been seted up to first dead lever (103) lower extreme, equal fixedly connected with inserted bar (201) in second dead lever (203) upper end, just inserted bar (201) are pegged graft in jack (105).

3. The variable speed grinding wheel for a general grinding machine according to claim 1, characterized in that: the lower end of the through hole (202) is provided with a bolt head hiding groove (205), and the bolt head arranged on the bolt (3) is matched with the inner volume of the bolt head hiding groove (205).

4. The variable speed grinding wheel for a general grinding machine according to claim 3, characterized in that: and a rubber gasket (5) is arranged between the bolt (3) and the inner wall of the bolt head hiding groove (205).

5. The variable speed grinding wheel for a general grinding machine according to claim 1, characterized in that: and a bolt hole (104) rotatably connected with the bolt (3) is formed in the center of the lower end face of the first clamping end block (102).

6. The variable speed grinding wheel for a general grinding machine according to claim 1, characterized in that: a circular plate hiding groove (403) is formed in the inner ring position of the lower end face of the grinding wheel (401), the shape of the circular plate hiding groove (403) is matched with that of a fixed circular plate (204), and the thickness of the fixed circular plate (204) is smaller than the depth of the circular plate hiding groove (403).