CN216502785U - Cutting assembly for workpiece opening edge - Google Patents
Cutting assembly for workpiece opening edge Download PDFInfo
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- CN216502785U CN216502785U CN202123434104.8U CN202123434104U CN216502785U CN 216502785 U CN216502785 U CN 216502785U CN 202123434104 U CN202123434104 U CN 202123434104U CN 216502785 U CN216502785 U CN 216502785U
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Abstract
The utility model relates to a cutting component for the edge of an opening of a workpiece, which comprises a tool rest, a fixed shaft lever, a turnover cutter and an elastic structure, wherein the tool rest is arranged on the fixed shaft lever; through the arrangement of the structure, when the opening edge is cut and polished, the outer edge close to the edge of the frame is polished and cut through the protruding cutter part, namely, the protruding cutter is used for polishing and cutting relative to the outer edge at a high speed, after the treatment of the outer edge is completed, the protruding cutter part moves towards the inner edge of the opening edge, and the pressure applied to the protruding cutter part in the moving process automatically carries out turnover motion around the fixed shaft rod, so that the protruding cutter part is separated from the position of the opening edge, and the elastic structure is driven to change and generate potential energy, when the protruding cutter part enters the inner edge, the inner edge is treated, and the elastic structure drives the protruding cutter part to be close to the position of the inner edge through the potential energy.
Description
Technical Field
The utility model relates to the field of machining, in particular to a cutting assembly for the edge of an opening of a workpiece.
Background
In machining, it is necessary to produce and machine a wide variety of workpieces that may be specifically used in different fields and applications for further installation and use.
As shown in fig. 1, a workpiece structure of a cylindrical shape 5 with a hollow structure is provided, which has an inner edge 12 and an outer edge 13 with a ring structure at an opening edge 10, and an edge burr is formed at the position of the opening edge 10 due to a cutting process and the like in a previous process, and the problem of scratching and the like occurs in the edge burr, so that the edge burr at the opening edge generally needs to be cut and ground, i.e. the opening edge becomes smooth and flat, and thus a satisfactory workpiece structure is obtained.
However, when the prior art processes such an opening edge, it is necessary to perform the processing in two steps, i.e. independently process the inner edge and the outer edge, and the simultaneous processing of the inner edge and the outer edge cannot be performed at one time, because the tool bits for grinding or cutting the edge cannot enter the inner edge and the outer edge one after another during the operation process. This causes a reduction in work efficiency.
SUMMERY OF THE UTILITY MODEL
The main purpose of the present invention is to provide a device structure that enables the inner and outer edge treatment of the opening edge to be carried out quickly.
In order to achieve the purpose, the utility model provides a cutting assembly for the opening edge of a workpiece, which particularly comprises a tool rest, a fixed shaft rod, a turnover cutter and an elastic structure, wherein the fixed shaft rod is arranged on the tool rest, the middle part of the turnover cutter is sleeved on the fixed shaft rod in a turnover manner, the outer end of the turnover cutter is provided with a convex cutter part, and the inner end of the turnover cutter is connected with the elastic structure.
The beneficial effect of above-mentioned scheme does: through the arrangement of the structure, when the opening edge is cut and polished, the outer edge close to the edge of the frame is polished and cut through the protruding cutter part, namely, the protruding cutter is used for polishing and cutting relative to the outer edge at a high speed, after the treatment of the outer edge is completed, the protruding cutter part moves towards the inner edge of the opening edge, and the pressure applied to the protruding cutter part in the moving process automatically carries out turnover motion around the fixed shaft rod, so that the protruding cutter part is separated from the position of the opening edge, and the elastic structure is driven to change and generate potential energy, when the protruding cutter part enters the inner edge, the inner edge is treated, and the elastic structure drives the protruding cutter part to be close to the position of the inner edge through the potential energy.
One preferred scheme is, protruding cutter portion has outer bevel face, arc connecting portion and interior bevel face, one side of protruding cutter portion is connected the main part pole portion of upset cutter, outer bevel face is followed main part pole portion extends to the direction of arc connecting portion inclines to the inner end gradually, interior bevel face is followed main part pole portion extends to the direction of arc connecting portion inclines to the outer end gradually.
When carrying out the cutting of polishing of outward flange, then accomplish through the contact of outer skew face with the outward flange, and through the setting on this kind of inclined plane, can make things convenient for the upset cutter to overturn easily in the contact of outer skew face with the outer fringe portion and make cutter portion enter into the inside at opening edge, the position at inner edge then produces the surface treatment of inward flange through the contact friction of interior skew face, and this kind of slope setting of interior skew face, also make the upset cutter carry out the upset motion more easily when protruding cutter portion draws out from opening edge inside.
Preferably, the extending direction of the main body rod and the extending direction of the outer inclined surface form a first clamping angle, and the first clamping angle is 75 degrees; the extension direction of the main body rod and the extension direction of the inner inclined surface form a second clamping angle, and the second clamping angle is 98.9 degrees.
Through the setting of this kind of structure, the setting of first centre gripping angle has been compromise to the polishing effect of outward flange and has entered into the easy degree in the opening, and the setting of second centre gripping angle has been compromise to the polishing effect of inward flange and the easy degree of leaving from in the opening, has obtained good result of use.
The tool rest is provided with an installation groove hole, an installation notch and an installation auxiliary hole, the fixed shaft rod is arranged in the installation groove hole and penetrates through the installation notch, the overturning cutter is arranged in the installation notch, the inner end of the overturning cutter is located in the installation auxiliary hole, and the elastic structure is arranged in the installation auxiliary hole.
A preferred scheme is, the upset cutter has main part pole, base plate portion and the gag lever post that connects gradually, the one end of main part pole is connected the middle part of base plate portion, the one end of gag lever post is connected one side of base plate portion, install and have the stopper in the breach, the other end of gag lever post with the stopper cooperation. The limiting block is arranged, so that the limiting position of the turnover cutter in the turnover process can be positioned, and the problem caused by too large turnover degree in the turnover process is avoided.
Preferably, the elastic structure is a spring structure, and the fixing shaft is a screw structure having a spherical head.
Preferably, the workpiece is a hollow cylindrical tubular structure having an open edge of the port, the open edge having an inner edge and an outer edge, the outer bevel being used for cutting and grinding the outer edge, and the inner bevel being used for cutting and grinding the inner edge.
One preferable scheme is that one end of the hollow cylindrical pipe body structure is fixed on a clamping structure, the cutting assembly is arranged on a moving structure, the moving structure is used for driving the cutting assembly to move in the direction close to the workpiece, the moving structure is arranged on a rotating structure, and the rotating structure is used for driving the cutting assembly to rotate around the edge of the opening.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of a hollow cylindrical tube structure;
FIG. 2 is a schematic view of a cutting assembly for cutting the edge of an opening in a workpiece according to the present invention;
FIG. 3 is a schematic diagram of a second state of the cutting assembly of the present invention for cutting the open edge of a workpiece;
FIG. 4 is a schematic view of an alternative perspective of a cutting assembly for cutting the edge of an opening in a workpiece in accordance with the present invention;
FIG. 5 is a schematic view of the construction of a cutting assembly cartridge for the edge of an opening in a workpiece in accordance with the present invention;
FIG. 6 is a schematic view of a fixed shaft of a cutting assembly for cutting the edge of an opening in a workpiece according to the present invention;
FIG. 7 is a schematic view of the construction of a cutting assembly cartridge for the edge of an opening in a workpiece in accordance with the present invention;
FIG. 8 is a schematic view of a reversing cutter of the cutting assembly for cutting the edge of an opening in a workpiece in accordance with the present invention;
FIG. 9 is a schematic view of a reversing cutter of the cutting assembly for cutting the edge of an opening in a workpiece in accordance with the present invention;
FIG. 10 is a schematic view of the construction of a cutting assembly cartridge for the edge of an opening in a workpiece in accordance with the present invention;
FIG. 11 is a schematic view of the construction of a cutting assembly cartridge for the edge of an opening in a workpiece in accordance with the present invention;
FIG. 12 is a schematic view of the construction of a cutting assembly cartridge for the edge of an opening in a workpiece in accordance with the present invention;
fig. 13 is a schematic diagram of the structure of the cut hollow cylindrical tube body knot.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
The first embodiment:
as shown in fig. 2 to 7, the present invention provides a cutting assembly for an opening edge of a workpiece, which particularly includes a tool holder 20, a fixed shaft 30, a turnover cutter 40 and an elastic structure 50, wherein the fixed shaft 30 is disposed on the tool holder 20, the middle part of the turnover cutter 40 is rotatably sleeved on the fixed shaft 30, the outer end of the turnover cutter 40 has a protruding cutter portion 41, and the inner end of the turnover cutter 40 is connected with the elastic structure 50.
With this arrangement, when the opening edge 10 is cut and ground, the grinding and cutting are performed by the projecting cutter portion 41 near the outer edge 13 of the opening edge, that is, the grinding and cutting are performed by the projecting cutter portion 41 rotating at a high speed relative to the outer edge 13, and the processing of the outer edge 13 is completed. Then, the convex cutter portion 41 moves towards the inner edge 12 of the opening edge 10, and the pressure applied to the convex cutter portion 41 automatically performs the turning motion around the fixing shaft 30 in the moving process, so that the convex cutter portion 41 is separated from the position of the opening edge 10, the elastic structure 50 is driven to change and generate potential energy, when the convex cutter portion 41 enters the inner edge 12, the inner edge 12 is ground and cut, and at this time, the elastic structure 50 drives the convex cutter portion 41 to be close to the position of the inner edge 12 through the potential energy.
Second embodiment:
as shown in fig. 8 to 13, preferably, the raised cutter portion 41 has an outer inclined surface 42, an arc-shaped connecting portion 43, and an inner inclined surface 44, one side of the raised cutter portion 41 is connected to the main body shaft portion 45 of the inversion cutter 40, the outer inclined surface 42 is gradually inclined toward the inner end in a direction a in which the main body shaft portion 45 extends to the arc-shaped connecting portion 43, and the inner inclined surface 44 is gradually inclined toward the outer end in a direction b in which the main body shaft portion 45 extends to the arc-shaped connecting portion 43.
When the outer edge 13 is polished and cut, the contact between the outer inclined surface 42 and the outer edge 13 is completed, and through the arrangement of the inclined surface, the turnover cutter 40 is easily turned over when the outer inclined surface 42 is contacted with the outer edge 13, so that the cutter part 41 enters the opening edge 10, the surface treatment of the inner edge 12 is generated at the position of the inner edge 12 through the contact friction of the inner inclined surface 44, and through the inclined arrangement of the inner inclined surface 44, the turnover cutter 40 is more easily turned over when the raised cutter part 41 is pulled out from the inside of the opening edge 10.
The extending direction of the main body rod 45 and the extending direction of the outer inclined surface 42 form a first clamping angle 52, and the first clamping angle 52 is 75 degrees; the extending direction of the main body rod 45 and the extending direction of the inner inclined surface 44 form a second clamping angle 53, and the second clamping angle 53 is 98.9 degrees. With such a configuration, the first clamping angle 52 is set to give consideration to both the polishing effect on the outer edge 13 and the ease of entering the opening, and the second clamping angle 53 is set to give consideration to both the polishing effect on the inner edge 12 and the ease of leaving the opening, thereby achieving a good use effect.
The tool rest 20 is provided with an installation slot hole 21, an installation notch 22 and an installation auxiliary hole 23, a fixed shaft rod 30 is arranged in the installation slot hole 21, the fixed shaft rod 30 penetrates through the installation notch 22, the overturning cutter 40 is arranged in the installation notch 22, the inner end of the overturning cutter 40 is positioned in the installation auxiliary hole 23, and an elastic structure 50 is arranged in the installation auxiliary hole 23.
The turnover cutter 40 is provided with a main body rod 45, a base plate part 62 and a limiting rod 63 which are connected in sequence, one end of the main body rod 45 is connected to the middle part of the base plate part 62, one end of the limiting rod 63 is connected to one side of the base plate part 62, a limiting block 64 is arranged in the installation notch 22, and the other end of the limiting rod 63 is matched with the limiting block 64. The limiting block 64 is arranged to position the limiting position of the turnover cutter 40 during turnover, so that the problem caused by too large turnover degree during turnover is avoided.
The resilient structure 50 is a spring structure and the fixed shaft 30 is a screw structure having a spherical head 75.
The workpiece is a hollow cylindrical tubular structure 5, the hollow cylindrical tubular structure 5 is provided with an opening edge 10 of a port, the opening edge 10 is provided with an inner edge 12 and an outer edge 13, an outer inclined surface 42 is used for cutting and grinding the outer edge 13, and an inner inclined surface 44 is used for cutting and grinding the inner edge 12.
One end of the hollow cylindrical pipe body structure 5 is fixed on the clamping structure, the cutting assembly is arranged on the moving structure, and the moving structure is used for driving the cutting assembly to move in the direction close to the workpiece. Alternatively, in another mode, the moving structure is disposed on a rotating structure, and the rotating structure is used for driving the cutting assembly to rotate around the opening edge 10. Through the relation that the relative rotation of hollow cylinder body structure 5 for the cutting assembly formed, just can cut the processing of polishing to outer fringe or inward fringe through cutter portion to get rid of surface burr. The rotating structure and the clamping structure belong to the prior art and are not described in detail herein.
It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (8)
1. The cutting assembly for the opening edge of the workpiece is characterized by comprising a tool rest, a fixed shaft rod, an overturning cutter and an elastic structure, wherein the fixed shaft rod is arranged on the tool rest, the middle part of the overturning cutter is sleeved on the fixed shaft rod in an overturning manner, the outer end of the overturning cutter is provided with a protruding cutter part, and the inner end of the overturning cutter is connected with the elastic structure.
2. The cutting assembly of an open edge of a workpiece of claim 1, wherein the raised cutter portion has an outer beveled surface, an arcuate connecting portion and an inner beveled surface, one side of the raised cutter portion connects the body shank portion of the upset cutter, the outer beveled surface slopes gradually toward the inner end from the direction in which the body shank portion extends to the arcuate connecting portion, and the inner beveled surface slopes gradually toward the outer end from the direction in which the body shank portion extends to the arcuate connecting portion.
3. The workpiece opening edge cutting assembly of claim 2, wherein the direction of extension of the body bar forms a first clamping angle with the direction of extension of the outer canted face, the first clamping angle being 75 °; the extension direction of the main body rod and the extension direction of the inner inclined surface form a second clamping angle, and the second clamping angle is 98.9 degrees.
4. The cutting assembly of an open edge of a workpiece according to claim 1, wherein the tool holder has a mounting slot, a mounting notch, and a mounting sub-hole, the mounting slot having the fixed shaft disposed therein, the fixed shaft passing through the mounting notch, the flip cutter disposed in the mounting notch, an inner end of the flip cutter disposed in the mounting sub-hole, the mounting sub-hole having the resilient structure disposed therein.
5. The cutting assembly for the edge of the opening of the workpiece according to claim 4, wherein the turnover cutter comprises a main body rod, a base plate part and a limiting rod which are sequentially connected, one end of the main body rod is connected to the middle part of the base plate part, one end of the limiting rod is connected to one side of the base plate part, a limiting block is arranged in the mounting notch, and the other end of the limiting rod is matched with the limiting block.
6. The workpiece opening edge cutting assembly as in claim 1 wherein the resilient structure is a spring structure and the fixed shaft is a screw structure having a spherical head.
7. The workpiece opening edge cutting assembly of claim 2 wherein the workpiece is a hollow cylindrical tubular structure having an opening edge of the port, the opening edge having an inner edge and an outer edge, the outer canted face for cutting grinding of the outer edge and the inner canted face for cutting grinding of the inner edge.
8. The cutting assembly of the open edge of the workpiece of claim 7, wherein one end of the hollow cylindrical tubular structure is fixed to a clamping structure, the cutting assembly is disposed on a moving structure, the moving structure is configured to move the cutting assembly in a direction approaching the workpiece, the moving structure is disposed on a rotating structure, and the rotating structure is configured to rotate the cutting assembly around the open edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123434104.8U CN216502785U (en) | 2021-12-30 | 2021-12-30 | Cutting assembly for workpiece opening edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123434104.8U CN216502785U (en) | 2021-12-30 | 2021-12-30 | Cutting assembly for workpiece opening edge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216502785U true CN216502785U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123434104.8U Active CN216502785U (en) | 2021-12-30 | 2021-12-30 | Cutting assembly for workpiece opening edge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216502785U (en) |
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2021
- 2021-12-30 CN CN202123434104.8U patent/CN216502785U/en active Active
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