CN214291034U - Welding type PCD composite reamer - Google Patents
Welding type PCD composite reamer Download PDFInfo
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- CN214291034U CN214291034U CN202022853700.9U CN202022853700U CN214291034U CN 214291034 U CN214291034 U CN 214291034U CN 202022853700 U CN202022853700 U CN 202022853700U CN 214291034 U CN214291034 U CN 214291034U
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Abstract
A welding type PCD composite reamer belongs to the technical field of metal cutting processing. The other end of the cutter body is provided with a cutter body flange plate, the end face of the cutter body flange plate is distributed with cutter body connecting holes, the cutter body flange plate of the cutter body is provided with a shaft hole, the shaft hole is connected with a shaft of a cutter head, the outer circumference of the cutter body flange plate of the cutter body is distributed with screw holes, the screw holes are connected with radial adjusting screws, one end of the cutter head is provided with a cutter head flange plate, the end face of the cutter head flange plate is distributed with cutter head connecting holes, the cutter body connecting holes and the cutter head connecting holes are respectively connected through clamping screws and axial adjusting screws, the outer circumference of the first shaft body is distributed with front milling cutter teeth, the outer circumference of the second shaft body is distributed with rear milling cutter teeth, the rear milling cutter teeth are distributed in two rows, the side end face of the second shaft body is distributed with lightening holes, and the outer circumference of the second shaft body is distributed with lightening grooves. The weight of the cutter head is reduced by about 31 percent. The reamer adjusts the axial runout of the reamer through the axial adjusting screw, and the radial runout of the reamer is adjusted through the radial adjusting screw.
Description
Technical Field
The utility model relates to a welding formula PCD composite reamer belongs to metal cutting processing technology field.
Background
In the machining of mechanical parts, in particular automobile parts. The blanks of these parts are typically die cast aluminum parts. The structure of the parts is often formed by combining holes with different depths and chamfer angles with various angles. The machining of these components is generally carried out on special machines using special tools. In order to increase the production efficiency, the cutting tools are often made as combined type, i.e. combined type hole machining tools. The composite hole machining tool has the problem of how to adjust the precision, and the tool with a large diameter needs to control the weight of the tool as much as possible.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a welding type PCD composite reamer.
A welded PCD composite reamer, the cutter body is connected with the cutter head through a clamping screw and an axial adjusting screw, one end of the cutter body is a taper shank, the other end of the cutter body is provided with a cutter body flange, the end surface of the cutter body flange is distributed with cutter body connecting holes, the cutter body flange of the cutter body is provided with a shaft hole, one end shaft of the cutter head is connected in the shaft hole, the outer circumference of the cutter body flange of the cutter body is distributed with screw holes, the screw holes are connected with radial adjusting screws, the end head of the radial adjusting screws contacts the outer circumference of one end shaft of the cutter head, one end of the cutter head is provided with a cutter head flange, the end surface of the cutter head flange is distributed with cutter head connecting holes, the cutter body connecting holes are correspondingly matched with the cutter head connecting holes, the cutter body connecting holes and the cutter head connecting holes are respectively connected through the clamping screw and the axial adjusting screw, the other end of the cutter head is provided with a first shaft body, the outer circumference of the first shaft body is distributed with a front row of milling cutter head, the middle part of the second shaft body, the outer circumference of the second shaft body is distributed with a rear row of milling cutter teeth, the rear row of milling cutter teeth are distributed in two rows, weight-reducing holes are distributed on the side end face of the second shaft body, and weight-reducing grooves are distributed on the outer circumference of the second shaft body.
The number of the screw holes and the number of the radial adjusting screws are respectively 8. There are 12 weight-reducing slots. There are 8 lightening holes. The number of the clamping screws and the number of the axial adjusting screws are respectively 4. The front row of milling cutter teeth are 6 teeth. The rear row of milling cutter teeth are distributed in two rows, and the rear row of milling cutter teeth of each row are 12 teeth.
A manufacturing method of a welding type PCD composite reamer comprises the following steps:
And 2, respectively welding the PCD composite sheets on the blade grooves to form an end part shaft milling head and a large circumference shaft milling head.
And 3, connecting the shaft hole of the cutter body with the connecting shaft of the cutter head, and connecting the cutter body flange plate and the cutter head flange plate through screws (clamping screws and axial adjusting screws).
And 4, connecting a radial adjusting screw to a screw hole of the cutter body, contacting the end of the radial adjusting screw with a connecting shaft of the cutter head, adjusting the radial adjusting screw and the axial adjusting screw to enable the radial and axial jumping sizes of the connected cutter body and the cutter head to meet the requirements, and then fastening the clamping screw.
Because the diameter ratio of the reamer is larger, the self weight of the reamer is heavier, in order to reduce the self weight of the reamer, 8 lightening holes 6 and 12 lightening grooves 7 are made on the cutter head 1 of the reamer so as to reduce the self weight of the reamer.
Welding formula PCD composite reamer because this reamer is processing aluminum alloy part, and the part hole diameter of processing is bigger, so the overall dimension of reamer is bigger, so the cutter body material of reamer chooses alloy steel for use, and cutting edge material chooses polycrystalline diamond PCD promptly for use to utilize high frequency welding's mode to weld PCD on the cutter body.
After this treatment, the weight of the segment 1 is reduced by about 31%. In addition, in order to reduce the use cost and the manufacturing cost of the reamer, the reamer is designed into a split structure, namely the reamer is divided into a cutter head 1 part, a cutter body 2 part and a taper shank 3 part, and the two parts are combined.
The reamer adjusts the axial runout of the reamer through four axial adjusting screws 9, adjusts the radial runout of the reamer through 8 radial adjusting screws 10, then connects the two parts together through four clamping screws 8, and becomes an integral body after adjustment and clamping, so that the reamer can be normally used.
The utility model has the advantages that:
in order to improve the precision of the machined hole, the ellipticity and the durability of the reduced hole, the diameter phi of the first shaft body is 47mm, and the front row of milling cutter teeth 4 are 6 teeth; the number of teeth at the diameter phi 111.5mm and the diameter phi 112.5mm of the second shaft body d is 12 teeth respectively.
In order to reduce cutting resistance, each cutter tooth is designed with a shearing angle of 6 degrees, and the sharpness of the cutter is improved.
Because the diameter ratio of the reamer is larger, the self weight of the reamer is heavier, in order to reduce the self weight of the reamer, 8 lightening holes 6 and 12 lightening grooves 7 are made on the cutter head 1 of the reamer, and the self weight of the reamer is reduced.
Welding formula PCD composite reamer because this reamer is processing aluminum alloy part, and the part hole diameter of processing is bigger, so the overall dimension of reamer is bigger, so the cutter body material of reamer chooses alloy steel for use, and polycrystalline diamond compact PCD is chooseed for use to the cutting blade material to utilize high frequency welding's mode to weld PCD on the cutter body.
After this treatment, the weight of the segment 1 is reduced by about 31%. In addition, in order to reduce the use cost and the manufacturing cost of the reamer, the reamer is designed into a split structure, namely the reamer is divided into a cutter head 1 part, a cutter body 2 part and a taper shank 3 part, and the two parts are combined.
The reamer adjusts the axial runout of the reamer through four axial adjusting screws 9, adjusts the radial runout of the reamer through 8 radial adjusting screws 10, then connects the two parts together through four clamping screws 8, and becomes an integral body after adjustment and clamping, so that the reamer can be normally used. The tool bit 1 can be purchased separately, so that the use cost of the tool of a client is saved.
Drawings
The invention itself, however, as well as many of the attendant advantages thereof, will be best understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein like reference numerals indicate like parts throughout the several views, and wherein:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic perspective view of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Obviously, many modifications and variations of the present invention based on the spirit of the present invention will be apparent to those skilled in the art.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element, component or section is referred to as being "connected" to another element, component or section, it can be directly connected to the other element or section or intervening elements or sections may also be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art.
Example 1: as shown in fig. 1, 2 and 3, the welded PCD compound reamer comprises a cutter body 2, a cutter head 1, a taper shank 3, a front row of milling cutter teeth 4, a rear row of milling cutter teeth 5, a lightening hole 6, a lightening groove 7, a clamping screw 8, an axial adjusting screw 9 and a radial adjusting screw 10.
The cutter body 2 is connected with the cutter head 1 through a clamping screw 8 and an axial adjusting screw 9, one end of the cutter body 2 is a taper shank 3, the other end of the cutter body 2 is provided with a cutter body flange 14, the end surface of the cutter body flange 14 is distributed with cutter body connecting holes, the cutter body flange 14 of the cutter body 2 is provided with a shaft hole, one end shaft of the cutter head 1 is connected in the shaft hole, the outer circumference of the cutter body flange 14 of the cutter body 2 is distributed with screw holes, the screw holes are connected with radial adjusting screws 10, the end head of the radial adjusting screw 10 contacts the outer circumference of one end shaft of the cutter head 1, the screw holes and the radial adjusting screws 10 are respectively 8, one end of the cutter head 1 is provided with a cutter head flange 13, the end surface of the cutter head flange 13 is distributed with cutter head connecting holes, the cutter body connecting holes are correspondingly matched with the cutter head connecting holes, the cutter body connecting holes and the cutter head connecting holes are respectively connected through the clamping screw 8 and the axial adjusting screw 9, the clamping screw 8 and the axial adjusting screw 9 are respectively 4, the other end of the cutter head 1 is provided with a first shaft body, the outer circumference of the first shaft body is distributed with a front row of milling cutter teeth 4, the number of the front row of milling cutter teeth 4 is 6, the middle part of the cutter head 1 is provided with a second shaft body, the outer circumference of the second shaft body is distributed with a rear row of milling cutter teeth 5, the rear row of milling cutter teeth 5 are distributed in two rows, the side end surface of the second shaft body is distributed with lightening holes 6, 8 lightening holes 6 are arranged, the outer circumference of the second shaft body is distributed with lightening grooves 7, and 12 lightening grooves 7 are arranged.
The front row of milling cutter teeth 4 and the rear row of milling cutter teeth 5 are welded PCD composite reaming cutter teeth, and in order to improve the precision of a machined hole, the ovality and the durability of the reduced hole, the diameter phi of the first shaft body is 47mm, and the front row of milling cutter teeth 4 are 6 teeth; the number of teeth at the diameter phi 111.5mm and the diameter phi 112.5mm of the second shaft body is 12 teeth respectively.
In order to reduce the cutting resistance, each cutter tooth is designed with a shearing angle of 6 degrees to improve the sharpness of the cutter.
Because the diameter ratio of the reamer is larger, the self weight of the reamer is heavier, in order to reduce the self weight of the reamer, 8 lightening holes 6 and 12 lightening grooves 7 are made on the cutter head 1 of the reamer so as to reduce the self weight of the reamer.
Welding formula PCD composite reamer because this reamer is processing aluminum alloy part, and the part hole diameter of processing is bigger, so the overall dimension of reamer is bigger, so the cutter body material of reamer chooses alloy steel for use, and polycrystalline diamond compact is PCD for use to the cutting edge material to utilize high frequency welding's mode to weld PCD on the cutter body.
After this treatment, the weight of the segment 1 is reduced by about 31%. In addition, in order to reduce the use cost and the manufacturing cost of the reamer, the reamer is designed into a split structure, namely the reamer is divided into a cutter head 1 part, a cutter body 2 part and a taper shank 3 part, and the two parts are combined.
The reamer adjusts the axial runout of the reamer through four axial adjusting screws 9, adjusts the radial runout of the reamer through 8 radial adjusting screws 10, then connects the two parts together through four clamping screws 8, and becomes an integral body after adjustment and clamping, so that the reamer can be normally used.
In addition, the tool bit 1 can be purchased separately, so that the use cost of the tool of a client is saved.
Example 2: as shown in fig. 1, 2 and 3, a method for manufacturing a welded PCD composite reamer includes the following steps:
And 2, respectively welding PCD (polycrystalline diamond) composite sheets (a front row of milling cutter teeth 4 and a rear row of milling cutter teeth 5) on the blade grooves to form an end shaft milling cutter head and a large-circumference shaft milling cutter head.
And 3, connecting the shaft hole of the cutter body 2 with the connecting shaft of the cutter head 1, and connecting the cutter body flange plate and the cutter head flange plate through screws (a clamping screw 8 and an axial adjusting screw 9).
And 4, connecting a radial adjusting screw 10 to a screw hole of the cutter body, contacting the end of the radial adjusting screw 10 with a connecting shaft of the cutter head 1, adjusting the radial adjusting screw 10 and the axial adjusting screw 9 to enable the radial and axial runout sizes of the connected cutter body 2 and the connected cutter head 1 to meet the requirements, and then fastening a clamping screw 8.
As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications are possible without substantially departing from the invention and its effects. Therefore, all such modifications are included in the scope of the present invention.
Claims (7)
1. A welded PCD composite reamer is characterized in that a cutter body is connected with a cutter head through a clamping screw and an axial adjusting screw, one end of the cutter body is a taper shank, the other end of the cutter body is provided with a cutter body flange, the end surface of the cutter body flange is distributed with a cutter body connecting hole, the cutter body flange of the cutter body is provided with a shaft hole, the shaft hole is connected with one end shaft of the cutter head, the outer circumference of the cutter body flange of the cutter body is distributed with a screw hole, the screw hole is connected with a radial adjusting screw, the end head of the radial adjusting screw contacts the outer circumference of one end shaft of the cutter head, one end of the cutter head is provided with a cutter head flange, the end surface of the cutter head flange is distributed with a cutter head connecting hole, the cutter body connecting hole is correspondingly matched with the cutter head connecting hole, the cutter body connecting hole and the cutter head connecting hole are respectively connected through the clamping screw and the axial adjusting screw, the other end of the cutter head is provided with a first shaft body, the outer circumference of the first shaft is distributed with a front row of milling cutter head, the middle part of a second shaft body, the outer circumference of the second shaft body is distributed with a rear row of milling cutter teeth, the rear row of milling cutter teeth are distributed in two rows, weight-reducing holes are distributed on the side end face of the second shaft body, and weight-reducing grooves are distributed on the outer circumference of the second shaft body.
2. The welded PCD composite reamer of claim 1, wherein the number of screw holes and the number of radial adjustment screws are 8.
3. The welded PCD composite reamer of claim 1, wherein there are 12 weight-reducing slots.
4. The welded PCD compound reamer of claim 1, wherein there are 8 lightening holes.
5. The welded PCD compound reamer of claim 1, wherein the number of the clamping screws and the number of the axial adjustment screws are 4.
6. The welded PCD compound reamer of claim 1 wherein the leading row of cutter teeth is 6 teeth.
7. The welded PCD compound reamer of claim 1, wherein the rear rows of cutter teeth are arranged in two rows, each row having 12 cutter teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022853700.9U CN214291034U (en) | 2020-12-01 | 2020-12-01 | Welding type PCD composite reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022853700.9U CN214291034U (en) | 2020-12-01 | 2020-12-01 | Welding type PCD composite reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214291034U true CN214291034U (en) | 2021-09-28 |
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ID=77845958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022853700.9U Active CN214291034U (en) | 2020-12-01 | 2020-12-01 | Welding type PCD composite reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214291034U (en) |
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2020
- 2020-12-01 CN CN202022853700.9U patent/CN214291034U/en active Active
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