CN212287246U

CN212287246U - Fixing device for simply disassembling and assembling grinding wheel

Info

Publication number: CN212287246U
Application number: CN202020499736.9U
Authority: CN
Inventors: 陶国海; 刘和平; 朱亮; 卢建中; 徐文冬; 罗健
Original assignee: Tongling Landun Fengshan Microelectronic Co ltd
Current assignee: Tongling Landun Fengshan Microelectronic Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-01-05
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a fixing device for simply disassembling and assembling a grinding wheel, which comprises a flange plate, wherein the neck part of the flange plate is connected with a fixed disk, the inner cavity of the neck part of the flange plate is provided with a sinking platform, a fixing screw is arranged in the sinking platform, one end of the fixing screw is positioned in the sinking platform, and the other end of the fixing screw is connected with a disassembling screw; the fixed disc is provided with a balance adjusting groove and a mounting hole, and a plurality of balance blocks are arranged in the balance adjusting groove; a grinding wheel and a stop washer are connected between the flange plate and the fixed plate, a key groove is formed in the neck of the flange plate, and the key groove is matched with the stop washer; and the inner cavity wall of the neck of the flange plate is provided with external threads, and the external threads are matched with the disassembly screws. The utility model has simple operation, and only needs to operate by a wrench, thereby effectively reducing the labor intensity and increasing the production efficiency; meanwhile, the abrasion and the deformation of a bearing of the grinding machine are avoided, and the running precision requirement of the machine tool is ensured.

Description

Fixing device for simply disassembling and assembling grinding wheel

Technical Field

The utility model relates to a machining field, concretely relates to fixing device that is used for flat grinder to use simply to dismantle installation emery wheel.

Background

A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. Most grinding machines perform grinding using a grinding wheel rotating at a high speed, and a few grinding machines perform grinding using oilstones, sanding belts and other grinders and free abrasives, such as honing machines, superfinishing machines, sanding belt grinders, grinding machines, polishing machines, and the like.

The grinder can process materials with higher hardness, such as hardened steel, hard alloy and the like. The machining precision of the grinding machine is influenced by a driving motor, stroke control, a rotating bearing and the like. When a high-precision hard alloy workpiece is machined, the abrasion of a grinding wheel is more frequent, and a rotary bearing of grinding machine equipment is often deformed to a certain extent in the process of changing the grinding wheel. Therefore, the importance of the stable grinding wheel mounting flange of the grinding machine and the simple dismounting and mounting device is particularly prominent in the production operation process. At present, the flange device for assembling the grinding wheel of the small-specification grinding machine cannot adjust the balance of the flange plate, so that the balance is poor, the flange is usually detached by tapping the grinding wheel, and the abrasion and deformation degree of the rotary bearing are greatly increased to cause irreversible damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem solve the wearing and tearing and the deformation of small dimension grinding machine emery wheel switching in-process swivel bearing.

The utility model adopts the technical proposal that: a fixing device for simply disassembling and assembling a grinding wheel comprises a flange plate, wherein the neck of the flange plate is connected with a fixing disc, a sinking platform is arranged in the inner cavity of the neck of the flange plate, a fixing screw is arranged in the sinking platform, one end of the fixing screw is positioned in the sinking platform, and the other end of the fixing screw is connected with a disassembling screw; the fixed disc is provided with a balance adjusting groove and a mounting hole, and a plurality of balance blocks are arranged in the balance adjusting groove; a grinding wheel and a stop washer are connected between the flange plate and the fixed plate, a key groove is formed in the neck of the flange plate, and the key groove is matched with the stop washer; and the inner cavity wall of the neck of the flange plate is provided with external threads, and the external threads are matched with the disassembly screws.

As a further improvement, the neck of the flange plate is provided with an outer thread, the inner side of the fixed disk is provided with an inner thread and the two are matched.

As a further improvement, the joint of the flange plate and the grinding wheel is provided with a yielding groove.

As a further improvement of the utility model, the fixing screw comprises a threaded rod and a nut.

As a further improvement of the utility model, the disassembly screw comprises a boss, a threaded rod and a nut.

As a further improvement of the present invention, at least two keys are provided on the lock washer.

As a further improvement of the present invention, the width of the key is slightly smaller than the width of the key groove.

The utility model discloses beneficial effect who has: the grinding wheel fixing device with the structure can calibrate and adjust the level of the grinding wheel, so that the accuracy of the grinding wheel assembling operation is guaranteed. The utility model has simple operation, and only needs to operate by a wrench, thereby effectively reducing the labor intensity and increasing the production efficiency; meanwhile, the abrasion and the deformation of a bearing of the grinding machine are avoided, and the running precision requirement of the machine tool is ensured.

Drawings

Fig. 1 is an assembly schematic diagram of the present invention.

Fig. 2 is a schematic view of a flange according to an embodiment of the present disclosure.

Fig. 3 is a side view of fig. 2.

Fig. 4 is a schematic view of a lock washer according to an embodiment of the present disclosure.

Fig. 5 is a schematic view of a fixing screw according to an embodiment of the present disclosure.

Fig. 6 is a schematic view of a detachable screw according to an embodiment of the present disclosure.

Shown in the figure: 1 machine tool bearing, 2 flange plates, 3 grinding wheels, 4 stop washers, 5 fixing disks, 6 balance adjusting grooves, 7 mounting holes, 8 fixing screws, 9 disassembly screws, 11 abdicating grooves, 12 key grooves, 13 balance blocks, 14 outer side threads, 15 outer threads, 16 sunk tables, 21 keys, 31 threaded rods, 32 screw caps and 33 bosses.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in the figure, the fixing device for simply disassembling and assembling the grinding wheel comprises a flange plate 2, wherein the neck of the flange plate 2 is connected with a fixed plate 5, a sinking platform 16 is arranged in the inner cavity of the neck of the flange plate, a fixing screw 8 is arranged in the sinking platform 16, one end of the fixing screw 8 is positioned in the sinking platform 16, and the other end of the fixing screw is connected with a disassembling screw 9; the fixed disc 5 is provided with a balance adjustment 6 and a mounting hole 7, and a plurality of balance blocks 13 are arranged in the balance adjustment groove 6; a grinding wheel 3 and a stop washer 4 are connected between the flange plate 2 and the fixed plate 5, a key groove 12 is formed in the neck of the flange plate 2, and the key groove 12 is matched with the stop washer 4; and an external thread 15 is arranged on the wall of the inner cavity of the neck of the flange plate 2, and the external thread 15 is matched with the disassembly screw 9.

The grinding wheel 3 is braked and positioned by a stop washer 4. The fixed disc 5 is rotatably matched and installed with the flange plate 2 through a thread structure on the inner side of the fixed disc, and the grinding wheel 3 and the stop washer 4 are fixed. The fixed disc 5 is provided with a balance adjusting groove 6 and a mounting hole 7. During installation, the flange plate 2, the grinding wheel 3, the stop washer 4 and the fixed disk 5 can be installed and combined firstly, and the combined device is installed on the machine tool bearing 1 through the round hole of the flange plate 2 after combination is completed. And finally, the fixing screw 8 is used for screwing and fixing. When the disassembly is carried out, the disassembly screw 9 can be utilized for disassembly.

In the embodiment 1, the flange plate 2 is provided with the key groove 12 which is matched with the stop washer 4 to fix the position of the grinding wheel; the flange plate is provided with an outer side thread 14 which is rotationally matched and fixed with the inner side thread on the fixed disc 5, and the position of the grinding wheel 3 is mainly screwed and fixed; the outer thread 15 is designed on the inner cavity wall of the neck of the flange plate and is matched with the threaded rod 31 of the dismounting screw 9, so that the device can be quickly, simply and conveniently dismounted. A sinking platform 16 is designed on the flange plate 2, a fixing screw 8 is screwed up and fixed on the whole device on a machine tool bearing 1 through the sinking platform 16, and matching threads are designed on the machine tool bearing 1. A balance adjusting groove 6 and a mounting hole 7 are designed on the fixed disc 5, three balance blocks 13 can be mounted in the balance adjusting groove, and the balance adjustment of the grinding wheel can be carried out through a leveling tool. The balance weight 13 is fixed and adjusted in position through a screw plug; the mounting hole 7 is used for providing an acting point for a corresponding assembling tool when the fixed disc is screwed down and disassembled, and avoiding unnecessary damage of the device caused by knocking and fixing the mounting. Two keys 21 are designed on the stop washer 4, the width of each key is slightly smaller than that of the key groove 12, and convenient installation and disassembly of the stop washer 4 are guaranteed. The fixing screw 8 consists of a threaded rod 31 and a nut 32; the dismounting screw 9 consists of a boss 33, a threaded rod 31 and a nut 32. When the emery wheel was dismantled, acted on the nut part of dismantling on the screw 9 through the spanner and can easily dismantle, dismantle on the screw 9 threaded rod and the ring flange external screw thread 15 cooperation rotatory, act on lathe bearing 1 with the revolving force through boss 33 on, dismantle this device and lift off. In the dismounting process, the rotating force acts on the head of the machine tool bearing 1 only through the wrench, so that the abrasion and deformation of the machine tool bearing caused by knocking the grinding wheel on the side surface are avoided. The length of the boss 33 is designed to be about half of the depth of the sinking platform, so that the problem that the thread is easy to damage due to too little contact between the threaded rod and the external thread during disassembly is avoided.

The device adopts modular design assembly, reduces the processing difficulty and the processing cost, and focuses more on the assembly relation and clearance fit mode among the modules; the device has simple and reliable structure, realizes modular design and assembly of all workpieces, and can manufacture all related parts by simple mechanical processing, thereby reducing the processing cost; the device has reliable performance, and the connection and matching design among the parts enhances the application capability; the device is simple to operate, can be operated independently only by screwing and rotating the wrench, and reduces the labor intensity of personnel; the device can calibrate and adjust the horizontal position of the grinding wheel, and guarantee the precision of the grinding wheel assembling operation; the convenient dismantlement and the installation of flange composite set are realized to this device, when increasing production efficiency, have more avoided the wearing and tearing and the deformation of grinding machine bearing, have ensured the moving required precision of lathe.

It should be known to those skilled in the art that the protection scheme of the present invention is not limited to the above-mentioned embodiments, and various permutations, combinations and transformations can be performed on the basis of the above-mentioned embodiments, without violating the spirit of the present invention, all the transformations performed by the present invention fall within the protection scope of the present invention.

Claims

1. A fixing device for simply disassembling and assembling a grinding wheel is characterized by comprising a flange plate (2), wherein the neck of the flange plate (2) is connected with a fixed disc (5), a sinking platform (16) is arranged in the inner cavity of the neck of the flange plate, a fixing screw (8) is arranged in the sinking platform (16), one end of the fixing screw (8) is positioned in the sinking platform (16), and the other end of the fixing screw is connected with a disassembling screw (9); a balance adjusting groove (6) and a mounting hole (7) are formed in the fixed disc (5), and a plurality of balance blocks (13) are arranged in the balance adjusting groove (6); a grinding wheel (3) and a stop washer (4) are connected between the flange plate (2) and the fixed plate (5), a key groove (12) is formed in the neck of the flange plate (2), and the key groove (12) is matched with the stop washer (4); be equipped with external screw thread (15) on the neck inner chamber wall of ring flange (2), external screw thread (15) and dismantlement screw (9) looks adaptation.

2. A device for easily mounting and dismounting a grinding wheel according to claim 1, wherein the neck of the flange (2) is provided with external threads (14), and the internal side of the fixed disk (5) is provided with internal threads, which are matched with each other.

3. The fixing device for the simple disassembly and assembly of the grinding wheel as claimed in claim 1, wherein the joint of the flange plate (2) and the grinding wheel (3) is provided with a relief groove (11).

4. A device for the easy disassembly and assembly of grinding wheels according to claim 1, characterized in that said fixing screws (8) comprise a threaded rod (31) and a nut (32).

5. A device for fixing an easily disassembled and assembled grinding wheel according to claim 1, wherein said disassembling screw (9) comprises a boss (33), a threaded rod and a nut.

6. A simple and easy to disassemble and assemble grinding wheel fixing device according to any one of claims 1 to 5, characterized in that the stop washer (4) is provided with at least two keys (21).

7. A simple and easy to disassemble and assemble grinding wheel holder as claimed in claim 6, wherein the width of said key (21) is slightly smaller than the width of the key slot (12).