CN214642918U - Cutter for machining groove of semi-finished product of steel ball grinding wheel - Google Patents
Cutter for machining groove of semi-finished product of steel ball grinding wheel Download PDFInfo
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- CN214642918U CN214642918U CN202121086969.7U CN202121086969U CN214642918U CN 214642918 U CN214642918 U CN 214642918U CN 202121086969 U CN202121086969 U CN 202121086969U CN 214642918 U CN214642918 U CN 214642918U
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- grinding wheel
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Abstract
The utility model discloses a processing grinds cutter for steel ball emery wheel semi-manufactured goods slot, including handle of a knife and tool bit, the tool bit includes the cushion fixed at the handle of a knife front end, forms the stair structure between cushion and the handle of a knife, installs alloy blade through detachable device on the cushion, and alloy blade's front end is the work end, and the rear end is the non-work end, and alloy blade's non-work end cooperates with handle of a knife front end butt. The utility model discloses can realize the quick tool changing of equipment, alloy blade pinpoints, guarantees the utilization ratio of processing blade, improves labor efficiency and machining precision simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the grinding apparatus processing is made, especially, relate to a processing grinds cutter for steel ball emery wheel semi-manufactured goods slot.
Background
The grinding wheel consists of three parts of grinding materials, air holes and a binding agent, and the preparation process comprises the steps of mixing, press forming, drying, firing and post-processing. Wherein, a special grinding wheel, namely a steel ball grinding wheel, is sintered at high temperature, the binding agent escapes from the grinding wheel to shrink, air holes among grinding materials are gradually reduced and are far smaller than the result of high-pressure pressing by a forming press, and the shrinkage is the steel ball grinding wheel with the super-hard Y hardness level (the sand blasting hardness value is 0.30-0.55 mm).
The bearing steel ball is continuously rolled in the hemispherical groove of the steel ball grinding wheel to carry out surface grinding, so that the hemispherical groove needs to be processed by the grinding wheel, and a schematic cross section of the processed grinding wheel is shown in fig. 1. Because of the extremely high hardness of the steel ball grinding wheel, the processing cost and the processing difficulty after firing are higher, the processing of the hemispherical groove is carried out between the pressing forming and drying procedures, the grinding wheel is called a semi-finished product, and the semi-finished product has certain formability and machinability.
The grinding wheel with grooves of different sizes is applied to grinding processing of bearing steel balls of different sizes, wherein the steel balls comprise small balls, medium balls, large balls and the like. The common steel ball grinding wheel has the sizes of 900x100x360, 800x100x360 and 800x100x290 (the outer diameter x the thickness x the inner diameter), and the like, and is applied to the processing of bearing steel balls, so that processing blades with different sizes are matched, a cutter needs to be replaced and repositioned when the grinding wheel is replaced every time, the processing precision and the processing quality of a semi-finished product are seriously influenced, and the production period is prolonged.
In the process of machining a groove by a cutter perpendicular to the lower cutter, due to the fact that the grinding wheel rotates at a high speed, friction and impact between the blade and the grinding wheel are increased, if the blade is not vertical, grinding is not balanced, high transverse pressure can cause blade deviation, the grinding tool and the cutter are damaged slightly, equipment and workers are injured seriously, and construction strength and difficulty are high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem among the prior art, provide a processing and grind cutter for steel ball emery wheel semi-manufactured goods slot, can realize the quick tool changing of equipment, alloy blade pinpoints, guarantees the utilization ratio of processing blade, improves labor efficiency and machining precision simultaneously.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a processing grinds cutter for steel ball emery wheel semi-manufactured goods slot, includes handle of a knife and tool bit, the tool bit includes the cushion fixed at the handle of a knife front end, forms the stair structure between cushion and the handle of a knife, installs the alloy blade through detachable device on the cushion, and the front end of alloy blade is the work end, and the rear end is non-work end, and the non-work end and the handle of a knife front end butt cooperation of alloy blade.
Fixing holes are correspondingly formed in the cushion block and the alloy blade, and the alloy blade is fastened on the cushion block through locking screws penetrating through the fixing holes.
The non-working end of the alloy blade is a plane and is in butt fit with the vertical surface of the front end of the cutter handle.
The working end of the gold blade is semicircular.
The cushion block is welded and fixed on the lower half part of the cutter handle.
The utility model has the advantages that:
(1) the structure is simple and stable, and the alloy blade can be replaced according to the width requirement of the grinding wheel groove; preparing processing blades with different sizes, and after the semi-finished product of the steel grinding ball is processed, replacing the blades only by unscrewing the locking screw and taking out the replaced blades to realize quick replacement of the blades; the cutter blade is convenient and fast to detach and replace, time and labor are saved, the cutter blade does not need to be adjusted before machining and trimmed in the machining process, and machining efficiency and accuracy are greatly improved.
(2) The alloy blade has low price and high durability, can be produced in batch, and reduces the cost of raw materials.
(3) When the blade is used for processing a semi-finished product, the locking screw is used for fixing the blade in the tangential direction, the lower end of the cutter handle is stable in the transverse direction, the alloy blade is kept vertical, the semi-finished product of the grinding wheel is stable and cannot be loosened during processing, the semi-finished product is accurately used for processing, the grinding processing can be continuously and accurately carried out during processing, the sizes of the blade and the groove are kept, the yield is improved, and the construction safety is ensured.
(4) The structure is not only suitable for processing grooves of semi-finished products of the steel ball grinding wheel, but also can be used for coarse grinding of finished products of the steel ball grinding wheel when a cutter with stronger hardness is replaced; when the special-shaped cutter is replaced, the processing of grinding wheels such as grooves, bosses, edges and the like of the same type is expanded, and the applicability is high.
Drawings
FIG. 1 is a schematic cross-sectional view of a grinding wheel after machining;
FIG. 2 is a schematic view of the overall structure of the cutting tool of the present invention;
FIG. 3 is a schematic view of alloy blades of different specifications according to the present invention;
fig. 4 is a schematic view of the tool assembly of the present invention.
Reference numbers for the components in the figures: 1-handle of a knife, 2-cushion block, 3-locking screw, 4-alloy blade.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 2 to 4, the embodiment discloses a cutter for processing a groove of a semi-finished product of a steel ball grinding wheel, which comprises a handle 1 and a cutter head, wherein the cutter head comprises a cushion block 2 welded and fixed on the lower half part of the front end of the handle, a step structure is formed between the cushion block 2 and the handle, an alloy blade 4 is installed on the cushion block 2 through a detachable device, the front end of the alloy blade 4 is a working end, the rear end of the alloy blade is a non-working end, and the non-working end of the alloy blade 4 is in butt joint with the front end of the handle.
In this embodiment, screw holes are correspondingly formed in the cushion block 2 and the alloy blade 4 as fixing holes, and the alloy blade is fastened to the cushion block 2 by the locking screw 3 penetrating through the fixing holes.
In this embodiment, the non-working end of the alloy blade 4 is a plane and is abutted and matched with the front end vertical surface of the tool holder. Specifically, the distance from the position of the fixing hole in the alloy blade 4 to the front end of the knife handle is equal to the distance from the fixing hole in the cushion block 2 to the front end of the knife handle, and the alloy blade is stable in the transverse direction after being locked.
When the alloy blade is used for processing a semi-finished product, the locking screws are used for fixing the alloy blade in the tangential direction, the lower end of the cutter handle is stable in the transverse direction, the alloy blade is kept vertical, the semi-finished product of the grinding wheel is stable and cannot be loosened during processing, the alloy blade is accurately used for processing, the grinding processing can be continuously and accurately carried out during processing, the sizes of the blade and the groove are kept, the yield is improved, and the construction safety is ensured.
In this embodiment, the working end of the alloy blade 4 is semicircular.
As shown in fig. 3, the alloy blade 4 has a plurality of specifications for replacement, wherein L1 represents 75mm, L2 represents 70mm, and L3 represents 65 mm.
The utility model discloses a work flow as follows:
preparing before work, namely preparing an alloy blade 4 and a locking screw 3 for preassembly as shown in a in figure 4; as shown in b in FIG. 4, the fixing holes of the alloy blade 4 are corresponding to the fixing holes of the cushion block 2, and the non-working end of the alloy blade 4 is flush and abutted with the tool shank 1; as shown in fig. 4 c, the locking screw 3 is tightened to fix the alloy blade 4.
When the grinding machine works, the tool shank is vertically arranged on machine tool equipment, the grinding wheel rotates at a high speed, the tool moves downwards slowly at a constant speed, the alloy blade and the grinding wheel are ground under pressure, and a groove of the grinding wheel is machined.
After the groove of the semi-finished product is machined, when the blade is replaced, the alloy blade is detached and replaced according to the sequence of c-b-a in the figure 4, and the steps are simple, convenient and quick.
The utility model has simple structure, and the alloy blade can be replaced according to the width requirement of the groove of the grinding wheel; preparing processing blades with different sizes, and after the semi-finished product of the steel grinding ball is processed, replacing the blades only by unscrewing the locking screw and taking out the replaced blades to realize quick replacement of the blades; the cutter blade is convenient and fast to detach and replace, time and labor are saved, the cutter blade does not need to be adjusted before machining and trimmed in the machining process, and machining efficiency and accuracy are greatly improved.
The structure of the utility model is not only suitable for processing the groove of the semi-finished product of the steel ball grinding wheel, but also can be used for coarse grinding of the finished product of the steel ball grinding wheel when the cutter with stronger hardness is replaced; when the special-shaped cutter is replaced, the processing of grinding wheels such as grooves, bosses, edges and the like of the same type is expanded, and the applicability is high.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
In the description of the present invention, it should be understood that the terms "left", "right", "front", "back", "up", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the scope of the present invention.
Claims (5)
1. The utility model provides a processing grinds steel ball emery wheel cutter for semi-manufactured goods slot, includes handle of a knife and tool bit, its characterized in that: the tool bit comprises a cushion block fixed at the front end of the tool handle, a step structure is formed between the cushion block and the tool handle, an alloy blade is mounted on the cushion block through a detachable device, the front end of the alloy blade is a working end, the rear end of the alloy blade is a non-working end, and the non-working end of the alloy blade is in butt fit with the front end of the tool handle.
2. The tool for machining the groove of the semi-finished product of the steel ball grinding wheel according to claim 1, wherein: fixing holes are correspondingly formed in the cushion block and the alloy blade, and the alloy blade is fastened on the cushion block through locking screws penetrating through the fixing holes.
3. The tool for machining the groove of the semi-finished product of the steel ball grinding wheel according to claim 2, wherein: the non-working end of the alloy blade is a plane and is in butt fit with the vertical surface of the front end of the cutter handle.
4. The tool for machining the groove of the semi-finished product of the steel ball grinding wheel according to claim 3, wherein: the working end of the gold blade is semicircular.
5. The tool for machining the groove of the semi-finished product of the steel ball grinding wheel according to claim 1, wherein: the cushion block is welded and fixed on the lower half part of the cutter handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121086969.7U CN214642918U (en) | 2021-05-20 | 2021-05-20 | Cutter for machining groove of semi-finished product of steel ball grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121086969.7U CN214642918U (en) | 2021-05-20 | 2021-05-20 | Cutter for machining groove of semi-finished product of steel ball grinding wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214642918U true CN214642918U (en) | 2021-11-09 |
Family
ID=78485349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121086969.7U Active CN214642918U (en) | 2021-05-20 | 2021-05-20 | Cutter for machining groove of semi-finished product of steel ball grinding wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214642918U (en) |
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2021
- 2021-05-20 CN CN202121086969.7U patent/CN214642918U/en active Active
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