CN217529320U - High accuracy is combination formula reamer for through-hole - Google Patents
High accuracy is combination formula reamer for through-hole Download PDFInfo
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- CN217529320U CN217529320U CN202123340289.6U CN202123340289U CN217529320U CN 217529320 U CN217529320 U CN 217529320U CN 202123340289 U CN202123340289 U CN 202123340289U CN 217529320 U CN217529320 U CN 217529320U
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Abstract
The utility model discloses a high accuracy is combination formula reamer for through-hole, including cutter body, cutter arbor and sword connecting seat. The utility model has the advantages that: the cutter body adopts the carbide material to make, improve cutter life, the louvre has been seted up at cutter body cutting end face center, the cutter body is three-blade flat head sloping blade structure, can cut the work piece through-hole by the efficient, realize reaming processing technology, accelerate the cutter body heat dissipation simultaneously, avoid high temperature to cause the damage to the cutter, the heliciform chip groove has been seted up on the cutter body surface, make the long-pending bits that produce in the course of working discharge smoothly, the cutter arbor is detachable location connection through two locking bolt and corresponding spacing groove and stopper with the rod cover, be convenient for assemble or dismantle, it is discoid to keep off the bits board, it is greater than the rod cover external diameter to keep off the bits board external diameter, prevent that the sweeps of cutting from splashing and scattering, the mount pad surface symmetric distribution has two clamping faces, be convenient for fix the clamping of mount pad on the lathe, avoid the cutter connecting seat not hard up influence machining precision.
Description
Technical Field
The utility model relates to a reamer specifically is a high accuracy combination formula reamer for through-hole belongs to machining cutter technical field.
Background
The machining process refers to a process of changing the external dimensions or properties of a workpiece by a mechanical device, and can be divided into cutting and pressing according to differences in machining modes, in the production process, the process of changing the shape, dimensions, position, properties and the like of a production object into a finished product or a semi-finished product is called a process, which is a main part of the production process, and the process can be divided into casting, forging, stamping, welding, machining, assembling and other processes.
The existing reamer is simple in structure:
1) The hole expanding cutter is low in overall hardness, abrasion is large when a through hole is expanded, the cutter cannot be used continuously, and therefore use cost is increased, and a chip containing groove is not formed in the surface of the cutter body, so that accumulated chips generated in the machining process cannot be discharged, and machining efficiency is affected;
2) The cutter arbor and the sword connecting seat that use carry out fixedly through the welding, though connect stably, nevertheless be not convenient for later stage to tear open the cutter and trade and maintain, do not set up on the sword connecting seat simultaneously and keep off the bits board, easily lead to the smear metal to splash scattered everywhere, the later stage clearance of not being convenient for.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high accuracy is combination formula reamer for through-hole in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a combined hole expanding cutter for high-precision through holes comprises
The cutter body is provided with a cutting edge at the top end of the cutter body, and the diameter of the through hole of the workpiece can be enlarged by drilling, and a spiral cutting edge zone is distributed on the surface of the cutter body; and
the cutter bar is positioned at the rear end of the cutter body, and the outer diameter of the cutter bar is smaller than that of the cutter body; and
the cutter connecting seat consists of a rod sleeve sleeved at the tail end of the cutter rod, a scrap blocking plate fixed at the outer end of the rod sleeve and a mounting seat welded at the center of the outer side surface of the scrap blocking plate, and can stably assemble a cutter and a machine tool together.
As a further aspect of the present invention: the cutter body and the cutter bar are of an integrated structure, and the cutter body is made of hard alloy materials.
As the utility model discloses further scheme again: the cutting edge evenly distributed has threely at cutter body top terminal surface edge, the louvre has been seted up at cutter body cutting end face center, and the cutter body is three sword crew cut inclined blade structure.
As the utility model discloses further scheme again: the surface of the cutter body is provided with a spiral chip pocket.
As a further aspect of the present invention: the cutter bar is characterized in that an arc-shaped limiting groove is formed in one side of the outer end of the cutter bar, two threaded holes are formed in the other side of the outer end of the cutter bar, an arc-shaped limiting block is arranged on the inner wall of the rod sleeve, a locking bolt is arranged in a counter bore in the outer side of the rod sleeve and penetrates through the rod sleeve and is in threaded connection with the threaded hole of the cutter bar, and the cutter bar and the rod sleeve are in detachable positioning connection through the two locking bolts and the corresponding limiting grooves and the limiting blocks.
As the utility model discloses further scheme again: the chip blocking plate is disc-shaped, and the outer diameter of the chip blocking plate is larger than that of the rod sleeve.
As a further aspect of the present invention: two clamping surfaces are symmetrically distributed on the surface of the mounting seat.
The utility model has the advantages that:
1) The cutter body is made of hard alloy materials, the service life of the cutter is prolonged, the use cost is reduced, three cutting edges are uniformly distributed, a heat dissipation hole is formed in the center of the cutting end face of the cutter body, the cutter body is of a three-edge flat-head inclined edge structure, a workpiece through hole can be efficiently cut, a hole expanding processing technology is realized, meanwhile, the heat dissipation of the cutter body is accelerated, the cutter is prevented from being damaged by high temperature, a spiral chip groove is formed in the surface of the cutter body, accumulated chips generated in the processing process are smoothly discharged, and the processing efficiency is improved;
2) The cutter arbor is detachable location connection through two locking bolt and corresponding spacing groove and stopper with the rod cover, is convenient for assemble or dismantle, keeps off the bits board and is discoid, and keeps off the bits board external diameter and be greater than the rod cover external diameter, prevents that the sweeps of cutting from splashing and scattering, and mount pad surface symmetric distribution has two clamping faces, is convenient for fix the clamping with the mount pad on the lathe, avoids the not hard up influence machining precision of sword connecting seat.
Drawings
Fig. 1 is a schematic structural view of the reamer of the present invention;
FIG. 2 is a view of the cutting end of the cutter body of the present invention;
FIG. 3 is a sectional view of the connection structure of the cutter bar and the bar sleeve of the present invention;
fig. 4 is a schematic structural diagram of the mounting seat of the present invention.
In the figure: 1. the cutter body, 2, cutting edge, 3, margin, 4, louvre, 5, chip groove, 6, cutter arbor, 7, spacing groove, 8, screw hole, 9, rod cover, 10, spacing block, 11, locking bolt, 12, chip blocking plate, 13, mount pad, 14, clamping face.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 4, a combined reamer for high precision through holes includes
The cutter body 1, can enlarge the top of the said cutter body 1 of the work piece through hole aperture through drilling and is equipped with the cutting edge 2, and its surface distributes and has the helical cutting edge 3; and
the cutter bar 6 is positioned at the rear end of the cutter body 1, and the outer diameter of the cutter bar is smaller than that of the cutter body 1; and
the cutter connecting seat consists of a rod sleeve 9 sleeved at the tail end of the cutter rod 6, a chip blocking plate 12 fixed at the outer end of the rod sleeve 9 and a mounting seat 13 welded at the center of the outer side surface of the chip blocking plate 12, and can stably assemble a cutter and a machine tool together.
The embodiment of the utility model provides an in, cutter body 1 and cutter arbor 6 are the integral structure, and cutter body 1 adopts carbide material to make, improve cutter life, reduce use cost.
The embodiment of the utility model provides an in, cutting edge 2 has threely at 1 top face edge evenly distributed of cutter body, louvre 4 has been seted up at 1 cutting end face center of cutter body, and cutter body 1 is three sword crew cut inclined blade structure, can cut the work piece through-hole by the efficient, realizes reaming processing technology for 1 heat dissipation of cutter body simultaneously avoids high temperature to cause the damage to the cutter.
The embodiment of the utility model provides an in, heliciform chip pocket 5 has been seted up on cutter body 1 surface, makes the long-pending bits that produce discharge smoothly in the course of working, improves machining efficiency.
Example two
Referring to fig. 1 to 4, a combined reamer for high-precision through holes includes
The cutter body 1, can enlarge the top of the said cutter body 1 of the work piece through hole aperture through drilling and is equipped with the cutting edge 2, and its surface distributes and has the helical cutting edge 3; and
the cutter bar 6 is positioned at the rear end of the cutter body 1, and the outer diameter of the cutter bar is smaller than that of the cutter body 1; and
the cutter connecting seat consists of a rod sleeve 9 sleeved at the tail end of the cutter rod 6, a chip blocking plate 12 fixed at the outer end of the rod sleeve 9 and a mounting seat 13 welded at the center of the outer side surface of the chip blocking plate 12, and can stably assemble a cutter and a machine tool together.
The embodiment of the utility model provides an in, arc spacing groove 7 has been seted up to 6 outer ends of cutter arbor one side, 6 outer end opposite sides of cutter arbor are provided with two screw holes 8, 9 inner walls of rod cover are equipped with arc stopper 10, it has locking bolt 11 to settle in the counter bore in the rod cover 9 outside, locking bolt 11 passes rod cover 9 and threaded connection in the screw hole 8 of cutter arbor 6, and cutter arbor 6 is detachable location connection through two locking bolt 11 and the spacing groove 7 and the stopper 10 that correspond with rod cover 9, is convenient for assemble or dismantle.
In the embodiment of the present invention, the chip blocking plate 12 is disc-shaped, and the outer diameter of the chip blocking plate 12 is greater than the outer diameter of the rod sleeve 9, so as to prevent the cutting chips from splashing and scattering.
The embodiment of the utility model provides an in, 13 surface symmetry of mount pad distributes and has two clamping faces 14, is convenient for with 13 fixed clamping of mount pad on the lathe, avoids the not hard up influence machining precision of sword connecting seat.
The working principle is as follows: when the combined type hole expanding cutter for the high-precision through hole is used, firstly, the cutter rod 6 is inserted into the rod sleeve 9 through the corresponding limiting groove 7 and the limiting block 10, then the locking bolt 11 penetrates through the rod sleeve 9 and is in threaded connection with the threaded hole 8 of the cutter rod 6, then the mounting seat 13 is fixedly clamped on a machine tool through the symmetrically arranged clamping faces 14, so that the cutter is fixed, finally, the machine tool is opened, the cutter is rotated, and further, the through hole on a workpiece can be subjected to hole expanding processing through the cutting edge 2 at the top end of the cutter body 1, during the processing, the heat dissipation of the cutter body 1 can be accelerated by the heat dissipation hole 4 formed in the center of the cutting end face of the cutter body 1, the cutter is prevented from being damaged by high temperature, the chip containing grooves 5 in the surface of the cutter body 1 can smoothly discharge accumulated chips generated in the processing process, the processing efficiency is improved, the chip blocking plate 12 on the cutter connecting seat can also prevent the chips from splashing and scattering, the later-stage cleaning is convenient, and meanwhile, the used cutter rod 6 and the rod sleeve 9 are connected through the two locking bolts 11, the assembly is simple and firm, the later-stage replacement and the later-stage maintenance of the cutter are convenient.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a high accuracy is combination formula reamer for through-hole which characterized in that: comprises that
The cutter body (1), the top end of the cutter body (1) capable of enlarging the aperture of the through hole of the workpiece through drilling is provided with a cutting edge (2), and the surface of the cutter body is distributed with a spiral cutting edge zone (3); and
the cutter bar (6) is positioned at the rear end of the cutter body (1), and the outer diameter of the cutter bar is smaller than that of the cutter body (1); and
the cutter connecting seat consists of a rod sleeve (9) sleeved at the tail end of the cutter rod (6), a chip blocking plate (12) fixed at the outer end of the rod sleeve (9) and a mounting seat (13) welded at the center of the outer side surface of the chip blocking plate (12), and can stably assemble a cutter and a machine tool together.
2. The combined reamer for high-precision through holes as claimed in claim 1, wherein: the cutter body (1) and the cutter bar (6) are of an integrated structure, and the cutter body (1) is made of hard alloy materials.
3. The combined reamer for high-precision through holes as claimed in claim 1, wherein: the cutting edge (2) is evenly distributed on the edge of the top end face of the cutter body (1) in three, the center of the cutting end face of the cutter body (1) is provided with a heat dissipation hole (4), and the cutter body (1) is of a three-blade flat-end inclined-edge structure.
4. The combination reamer for the high-precision through hole as claimed in claim 1, wherein: the surface of the cutter body (1) is provided with a spiral chip groove (5).
5. The combined reamer for high-precision through holes as claimed in claim 1, wherein: arc spacing groove (7) have been seted up to cutter arbor (6) outer end one side, cutter arbor (6) outer end opposite side is provided with two screw holes (8), rod cover (9) inner wall is equipped with arc stopper (10), it has locking bolt (11) to settle in the counter bore in the rod cover (9) outside, locking bolt (11) pass rod cover (9) and threaded connection in screw hole (8) of cutter arbor (6), and cutter arbor (6) and rod cover (9) are detachable location connection through two locking bolt (11) and corresponding spacing groove (7) and stopper (10).
6. The combined reamer for high-precision through holes as claimed in claim 1, wherein: the chip blocking plate (12) is disc-shaped, and the outer diameter of the chip blocking plate (12) is larger than that of the rod sleeve (9).
7. The combined reamer for high-precision through holes as claimed in claim 1, wherein: two clamping surfaces (14) are symmetrically distributed on the surface of the mounting seat (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340289.6U CN217529320U (en) | 2021-12-28 | 2021-12-28 | High accuracy is combination formula reamer for through-hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340289.6U CN217529320U (en) | 2021-12-28 | 2021-12-28 | High accuracy is combination formula reamer for through-hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217529320U true CN217529320U (en) | 2022-10-04 |
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ID=83416827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123340289.6U Active CN217529320U (en) | 2021-12-28 | 2021-12-28 | High accuracy is combination formula reamer for through-hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217529320U (en) |
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2021
- 2021-12-28 CN CN202123340289.6U patent/CN217529320U/en active Active
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