Cutter bit for trimming smooth grinding disc of steel ball smooth grinding machine

Abstract

The utility model relates to the technical field of polishing devices, in particular to a tool bit for trimming a polishing disc of a steel ball polishing machine. According to the technical scheme, the grinding disc comprises a grinding sleeve, a grinding disc body and a shaft sleeve, limiting grooves are formed in the two sides of the grinding disc body, a connecting groove is formed in the middle of the grinding disc body, the two ends of the connecting groove are connected with the centers of the two limiting grooves respectively, the shaft sleeve is sleeved with the connecting groove, and the two ends of the shaft sleeve are fixedly sleeved with limiting rings. The two grinding sleeves are arranged and connected to the two sides of the grinding disc body in a sleeving mode correspondingly, limiting pieces are fixed to the middles of the inner sides of the grinding sleeves and inserted into openings in the outer ends of the corresponding limiting grooves, inserting blocks are fixed to the outer ends of the limiting pieces and inserted into the limiting rings, and the inserting blocks are inserted into the corresponding inserting grooves. Screw holes are formed in the two ends of the outer side of the limiting ring. The polishing device has the advantages that the polishing structure is convenient to disassemble, operation is easy and convenient, and stability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a cutter head for trimming a polishing disc of a steel ball polishing machine. Background Art

[0002] Steel balls are divided into grinding steel balls, forging steel balls, and casting steel balls according to the production and processing technology. According to the processing materials, they are divided into bearing steel balls, stainless steel balls, carbon steel balls, copper bearing steel balls, alloy balls, etc. Among them, bearing steel balls are important basic parts of the industry. Alloy steel balls are a kind of spherical iron alloy wear-resistant body with carbon, chromium, manganese, molybdenum and other metal elements added as the main elements, and are produced by forging, spinning, rolling and casting. It is the most important component of the current crushing industry mining balls, cement balls, etc.

[0003] The existing steel ball grinding tool generally drives the grinding disc through the shaft body, and grinds the surface of the steel ball through the grinding disc. The existing grinding disc wears a lot during use, so it needs to be replaced frequently. However, the existing grinding disc needs to be disassembled as a whole to replace it. The connection structure between the disc body and the shaft body is relatively complicated, and the disassembly is extremely inconvenient and has poor practicality. Utility Model Content

[0004] The utility model aims to provide a cutter head for trimming a steel ball polishing machine polishing disc, which has the advantages of easy disassembly of the polishing structure, simple operation and strong stability, and solves the problems in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutter head for trimming a polishing disc of a steel ball polishing machine, comprising a polishing sleeve, a polishing disc body and a shaft sleeve, limit grooves are provided on both sides of the polishing disc body, a connecting groove is provided in the middle of the polishing disc body, and the two ends of the connecting groove are respectively connected to the centers of the two limit grooves, the shaft sleeve is sleeved in the connecting groove, and the two ends of the shaft sleeve are sleeved and fixed with limit rings, there are two polishing sleeves in total, and the two polishing sleeves are respectively sleeved on both sides of the polishing disc body, a limit plate is fixed in the middle of the inner side of the polishing sleeve, and the limit plate is inserted in the outer end opening of the corresponding limit groove, an insert block is fixed to the outer end of the limit plate, and the insert block is inserted on the limit ring.

[0006] Preferably, the limiting ring is clamped inside the limiting groove, and slots are provided on both sides of the limiting ring, and the two slots correspond to the openings at both ends of the limiting groove. The limiting groove can be used to accommodate the limiting ring, increase the contact area, and improve the friction.

[0007] Preferably, the insert block is inserted into the corresponding slot, screw holes are provided at both ends of the outer side of the limit ring, and fixing bolts are installed with threads in the screw holes, and the bottom end of the fixing bolts is threadedly installed on the corresponding insert block. The connection between the limit ring and the polishing sleeve is realized by docking the insert block with the slot, and the fixing bolts are used for connection reinforcement.

[0008] Preferably, there are two grinding sleeves in total, and the two grinding sleeves form a grinding ring, the inner side of the grinding ring is provided with a notch, and the outer side of the grinding disc body is clamped in the notch. The grinding disc body is covered by the grinding ring composed of the grinding sleeves, which is convenient for disassembly.

[0009] Preferably, the grinding sleeve is matched with the grinding disc body, and the limiting ring is matched with the limiting groove. The mutual matching improves the stability of the device and ensures the safe operation of the device.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: during installation, the operator inserts the sleeve into the connecting groove of the grinding disc body, fixes the two limit rings at the two ends of the sleeve by bolts, makes the limit rings snap into the limit grooves, connects the driving shaft body with the sleeve, and after the connection is completed, the two grinding sleeves are respectively sleeved on both sides of the grinding disc body, so that the limit plates on the inner side of the grinding sleeves are correspondingly snapped into the outer end openings of the limit grooves. At this time, the two ends of the two grinding sleeves are butted, and the plug blocks at the top of the limit plates are inserted into the slots at both ends of the limit rings, the fixing bolts are threadedly installed in the screw holes, and the bottom end of the fixing bolts is connected to the plug blocks for fixation. The driving shaft is started to drive the grinding disc body to rotate, and the grinding disc body drives the grinding sleeve to rotate. The grinding sleeve grinds the steel ball embryo. The device is connected in a splicing manner, which is convenient for later disassembly and replacement of the grinding structure. At the same time, multi-point limit ensures the stability of the shaft connection and ensures safety in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the limit ring of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the grinding disc body of the utility model;

[0014] Figure 4 It is a schematic diagram of the side sectional structure of the utility model.

[0015] In the figure: 1. grinding sleeve; 2. grinding disc body; 3. limiting ring; 4. limiting plate; 5. insert block; 6. shaft sleeve; 7. fixing bolt; 8. screw hole; 9. limiting groove; 10. connecting groove. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0017] See also Figures 1 to 4 The utility model provides an embodiment: a cutter head for trimming the polishing disc of a steel ball polishing machine, comprising a grinding disc body 2 and a sleeve 6. Limiting grooves 9 are provided on both sides of the grinding disc body 2. A connecting groove 10 is provided in the middle of the grinding disc body 2, and the two ends of the connecting groove 10 are respectively connected to the centers of the two limiting grooves 9. The sleeve 6 is sleeved in the connecting groove 10, and both ends of the sleeve 6 are sleeved and fixed with limiting rings 3. The limiting rings 3 are clamped in the interior of the limiting grooves 9. Slots are provided on both sides of the limiting ring 3, and the two slots correspond to the openings at both ends of the limiting grooves 9 respectively. The limiting rings 3 are accommodated by the limiting grooves 9, and the contact area is increased and the friction force is improved. The plug-in block 5 is inserted in the corresponding slot. Screw holes 8 are provided at both ends of the outer side of the limiting ring 3, and the fixing bolts 7 are installed with threads in the screw holes 8. The bottom end of the fixing bolt 7 is threadedly installed on the corresponding plug-in block 5. The connection between the limiting ring 3 and the grinding sleeve 1 is realized by docking the plug-in block 5 with the slot, and the fixing bolt 7 is connected and reinforced. Example

[0018] See also Figures 1 to 4 The utility model provides an embodiment: a cutter head for trimming a steel ball polishing machine polishing disc, comprising a polishing sleeve 1 and a grinding disc body 2, wherein two polishing sleeves 1 are provided, and the two polishing sleeves 1 are respectively sleeved on both sides of the grinding disc body 2, a limiting plate 4 is fixed at the middle of the inner side of the polishing sleeve 1, and the limiting plate 4 is plugged into the outer end opening of the corresponding limiting groove 9, an insert block 5 is fixed at the outer end of the limiting plate 4, and the insert block 5 is plugged into the limiting ring 3, there are two polishing sleeves 1, and the two polishing sleeves 1 form a polishing ring, a notch is provided on the inner side of the polishing ring, and the outer side of the grinding disc body 2 is clamped in the notch, the grinding disc body 2 is covered by the polishing ring formed by the polishing sleeve 1, and it is easy to disassemble, the polishing sleeve 1 is adapted to the grinding disc body 2, and the limiting ring 3 is adapted to the limiting groove 9, and the stability of the device is improved by mutual adaptation, and the safe operation of the device is ensured.

[0019] Working principle: During the operation of the utility model, during installation, the operator inserts the sleeve 6 into the connection groove 10 of the grinding disc body 2, fixes the two limit rings 3 at the two ends of the sleeve 6 by bolts, makes the limit ring 3 snap into the limit groove 9, connects the drive shaft body with the sleeve 6, and after the connection is completed, respectively sleeves the two grinding sleeves 1 on both sides of the grinding disc body 2, makes the limit plate 4 on the inner side of the grinding sleeve 1 snap into the outer end opening of the limit groove 9, at this time, the two ends of the two grinding sleeves 1 are butted, the plug block 5 at the top of the limit plate 4 is inserted into the slot at both ends of the limit ring 3, the fixing bolt 7 is threadedly installed in the screw hole 8, the bottom end of the fixing bolt 7 is connected to the plug block 5 for fixation, starts the drive shaft to drive the grinding disc body 2 to rotate, the grinding disc body 2 drives the grinding sleeve 1 to rotate, and the grinding sleeve 1 grinds the steel ball embryo. The above is the working principle of the utility model.

[0020] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tool head for trimming a grinding disc of a steel ball polishing machine, comprising a grinding sleeve (1), a grinding disc body (2) and a shaft sleeve (6), characterized in that: Both sides of the grinding disc body (2) are provided with limit grooves (9), the middle of the grinding disc body (2) is provided with a connecting groove (10), and the two ends of the connecting groove (10) are respectively connected to the centers of the two limit grooves (9), the shaft sleeve (6) is sleeved in the connecting groove (10), and the two ends of the shaft sleeve (6) are sleeved and fixed with the limit ring (3), a total of two grinding sleeves (1) are provided, and the two grinding sleeves (1) are respectively sleeved on both sides of the grinding disc body (2), a limit plate (4) is fixed at the middle of the inner side of the grinding sleeve (1), and the limit plate (4) is inserted into the outer end opening of the corresponding limit groove (9), and an insert block (5) is fixed to the outer end of the limit plate (4), and the insert block (5) is inserted into the limit ring (3).

2. A cutter head for trimming a steel ball polishing machine polishing disc according to claim 1, characterized in that: The limiting ring (3) is clamped inside the limiting groove (9), and slots are provided on both sides of the limiting ring (3), and the two slots correspond to the openings at both ends of the limiting groove (9).

3. A cutter head for trimming a steel ball polishing machine polishing disc according to claim 2, characterized in that: The insert block (5) is inserted into the corresponding slot, screw holes (8) are provided at both ends of the outer side of the limiting ring (3), and fixing bolts (7) are installed with threads inside the screw holes (8), and the bottom end of the fixing bolt (7) is threadedly installed on the corresponding insert block (5).

4. The cutter head for trimming a steel ball polishing machine polishing disc according to claim 1, characterized in that: There are two grinding sleeves (1) in total, and the two grinding sleeves (1) form a grinding ring, the inner side of the grinding ring is provided with a notch, and the outer side of the grinding disc body (2) is clamped in the notch.

5. The cutter head for trimming the polishing disc of a steel ball polishing machine according to claim 1, characterized in that: The grinding sleeve (1) is matched with the grinding disc body (2), and the limiting ring (3) is matched with the limiting groove (9).

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