CN111992748B - Locking disk step hole heavy boring processingequipment - Google Patents
Locking disk step hole heavy boring processingequipment Download PDFInfo
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- CN111992748B CN111992748B CN202010713504.3A CN202010713504A CN111992748B CN 111992748 B CN111992748 B CN 111992748B CN 202010713504 A CN202010713504 A CN 202010713504A CN 111992748 B CN111992748 B CN 111992748B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/03—Boring heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention relates to a locking disc step hole rough boring machining device which comprises a cutter disc, a cutter holder, a second connecting piece, a third connecting piece and a plurality of groups of boring cutters. The lower end surface of the cutter head is provided with a plurality of groups of rectangular through grooves with different heights. When the boring cutter is assembled on the rectangular through groove body, the boring cutter extends to exceed the circumferential wall between the upper end surface and the lower end surface of the cutter head. The relationship between the height of the rectangular through groove body and the length of the boring cutter exceeding the circumferential wall is as follows: the higher the height of the through groove body, the longer the boring cutter exceeds the circumferential wall. During assembly, the cutter head is connected with the cutter holder through the second connecting piece, and the boring cutter is fixed on the cutter head through the third connecting piece through the limiting hole formed in the cutter holder. The lower end face of the cutter head is provided with a plurality of groups of rectangular through grooves with different heights in a radial and equal interval mode, a plurality of groups of boring cutters with different lengths can be correspondingly arranged in the rectangular through grooves, the plurality of groups of boring cutters can carry out rough boring on stepped holes from top to bottom in sequence to form stepped end faces, the feeding amount is automatically adjusted, the machining time is short, and the cost is low.
Description
Technical Field
The invention relates to the technical field of wind power manufacturing, in particular to a locking disc step hole rough boring machining device.
Background
At present, the state is vigorously developing new clean energy sources such as wind power generation and the like. The domestic wind power equipment manufacturing industry is well-trained. Wind power generators are of a wide variety. Wherein, the locking plate is an essential part of the wind driven generator. The locking sleeve mounting hole on the locking disc is a step hole. The step machining amount is larger in the step hole machining process.
In the prior art, a large-diameter trepanning drill is used for machining a center hole of a stepped hole, then a milling cutter is used for machining a stepped end face on the stepped hole, however, the milling cutter is small in feeding amount, long in machining time, easy to damage blades and high in cost in the process of machining the stepped end face.
Therefore, the locking disc step hole machining device which can automatically adjust the feeding amount, is short in machining time and low in cost is needed.
Disclosure of Invention
Technical problem to be solved
In view of the defects and shortcomings of the prior art, the invention provides a rough boring machining device for a self-locking disc stepped hole, which solves the technical problems of small feed amount, long machining time, easy damage of a blade and high cost in the machining of a milling cutter.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
the embodiment of the invention provides a locking disc step hole rough boring machining device which comprises a cutter head, a cutter holder, a second connecting piece, a third connecting piece and a plurality of groups of boring cutters;
the cutter head is a disc body with an upper end surface and a lower end surface;
the lower end face of the cutter head is provided with an opening, and the lower end face of the cutter head is radially provided with a plurality of groups of rectangular through groove bodies with different heights at equal intervals and used for assembling boring cutters which are assembled by abutting against the upper end face of the rectangular through groove bodies;
when the boring cutter is assembled on the rectangular through groove body, the boring cutter extends to exceed the circumferential wall between the upper end surface and the lower end surface of the cutter head;
the relationship between the height of the rectangular through groove body and the length of the boring cutter exceeding the circumferential wall is as follows: the higher the height of the rectangular through groove body is, the longer the length of the boring cutter exceeding the circumferential wall is;
the sum of the lengths of the parts of the plurality of groups of boring cutters extending beyond the circumferential wall in the rectangular through groove body is equal to 2 times of the width of the step end face of the step hole to be machined, and the width of the step end face to be machined and the number of the groups of the boring cutters are determined, so that the length of the boring cutters exceeding the circumferential wall is determined;
during assembly, the cutter head is connected with the cutter holder through the second connecting piece, and the boring cutter is fixed on the cutter head through the third connecting piece through the limiting hole formed in the cutter holder.
Optionally, the through groove body of rectangle includes that the groove body is led to first group rectangle, the groove body is led to second group rectangle, the groove body is led to third group rectangle and the groove body is led to the fourth rectangle, and the groove body distance is led to first group rectangle the height of terminal surface is minimum under the blade disc, and the groove body is led to second group rectangle, the groove body is led to third group rectangle and the groove body distance is led to the fourth rectangle to the groove body highly increases gradually of terminal surface under the blade disc. The boring cutters corresponding to the rectangular through groove bodies are respectively a first boring cutter, a second boring cutter, a third boring cutter and a fourth boring cutter. And the first boring cutter, the second boring cutter, the third boring cutter and the fourth boring cutter are respectively positioned in the first group of rectangular through groove bodies, the second group of rectangular through groove bodies, the third group of rectangular through groove bodies and the fourth group of rectangular through groove bodies which correspond to the first boring cutter, the second boring cutter, the third boring cutter and the fourth boring cutter.
The boring cutter is divided into a first boring cutter, a second boring cutter, a third boring cutter and a fourth boring cutter, the tool-feed amount can be increased as much as possible when the end surface of the step is machined, 4 groups of boring cutters are symmetrically arranged, machining vibration is small, and the stability of rough boring machining is ensured.
Optionally, the second connecting piece is a plurality of second screws, and a plurality of positioning holes screwed with the second screws are arranged on the lower end surface of the cutter head at equal intervals;
and the cutter support is provided with a connecting hole corresponding to the positioning hole, and the second screw penetrates through the connecting hole and is screwed and fixed to the positioning hole on the lower end surface of the cutter head.
Optionally, the third connecting member is a third screw, the third screw is arranged corresponding to the rectangular through groove body, the limiting hole is in threaded connection with the third screw, the upper portion of the third screw abuts against the boring cutter through the limiting hole, and the third screw is used for fixing the boring cutter in the rectangular through groove body on the cutter head.
Optionally, the cutter comprises a cutter handle and a first connecting piece, wherein the cutter handle is arranged in the center of the upper portion of the cutter head and is in key connection with the cutter head.
The center of the upper end face of the cutter head is provided with an assembly hole which is communicated with the lower end face in an open mode, the first connecting piece penetrates through the assembly hole, the cutter head is fixed with the cutter handle, and the cutter handle is used for being connected with an external driving device to enable the cutter head to rotate.
The cutter head is connected with the cutter handle through a key, the cutter handle is connected with an external boring machine, and the boring machine is used for driving the cutter handle to rotate so as to drive the cutter head to rotate.
Optionally, the first connecting piece is a first screw, and the first screw passes through the assembling hole and is screwed on the tool handle. And a screw hole which is matched and screwed with the first screw is arranged below the inner cavity of the cutter handle.
The cutter head and the cutter handle are fixedly connected together through a first screw.
Optionally, a limiting protrusion corresponding to the rectangular through groove body is integrally formed above the cutter holder at an interval, so that the boring cutter is fixed in the rectangular through groove body.
And in order to better match with the rectangular through groove body on the cutter head, the installation of the boring cutter is completed.
Optionally, the height difference between the first group of rectangular through grooves, the second group of rectangular through grooves, the third group of rectangular through grooves and the fourth rectangular through grooves ranges from 0.5mm to 1 mm.
When the boring machine is used for machining, the cutter handle is driven to gradually move downwards through the external driving device, then the cutter handle drives the cutter head to gradually move downwards, so that the first boring cutter located at the bottom firstly eats the cutter to machine the step end face, then the second boring cutter eats the cutter to machine the step end face again, then the third boring cutter eats the cutter to further machine the step end face, and finally the fourth boring cutter located at the top eats the cutter to machine the step end face. The rough boring processing of one step end face is successively carried out through the boring cutter group, the feeding amount of the boring cutter group can be directly determined during processing, the processing time of the step end face is shortened, and meanwhile, the boring cutter is low in cost.
Therefore, the feeding amount of 4 groups of boring cutters can be directly determined, and then when the boring machine downwards and gradually drives the cutter head to rotate, the end face of the stepped hole 110 can be processed through the first boring cutter, the second boring cutter, the third boring cutter and the fourth boring cutter in sequence, so that the situation that the feeding amount is too large or too small is not needed to be worried, the processing time is saved, and the processing efficiency is improved.
(III) advantageous effects
The invention has the beneficial effects that: according to the locking disc step hole rough boring machining device, the plurality of groups of rectangular through groove bodies with different heights are radially and equidistantly arranged on the lower end face of the cutter disc, the plurality of groups of boring cutters with different lengths can be correspondingly arranged in the rectangular through groove bodies, compared with the prior art, the locking disc step hole rough boring machining device can be used for carrying out rough boring machining on step holes 110 sequentially from top to bottom by the plurality of groups of boring cutters to form step end faces, the feeding amount is automatically adjusted, the machining time is short, and the cost is low.
Drawings
FIG. 1 is an exploded schematic view of a locking disk stepped hole rough boring machining device of the invention;
FIG. 2 is a top view of the locking disk stepped hole heavy boring machining device of the present invention;
FIG. 3 is a schematic cross-sectional view A-A of the locking disk stepped hole rough boring machining device in FIG. 2;
fig. 4 is a schematic structural diagram of a stepped hole machined by the locking disk stepped hole rough boring machining device.
[ description of reference ]
1: a cutter head; 11: opening the mouth; 12: a rectangular through groove body; 121: a first set of rectangular through slots; 122: a second set of rectangular through slots; 123: a third group of rectangular through grooves; 124: a fourth rectangular through groove body; 13: positioning holes;
2: a knife holder; 21: connecting holes; 22: a limiting hole;
3: a second connecting member;
4: a third connecting member;
5: boring cutter; 51: a first boring cutter; 52: a second boring cutter; 53: a third boring cutter; 54: a fourth boring cutter;
6: a key;
7: a knife handle; 71: a screw hole;
8: a first connecting member;
9: and (7) assembling holes.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. As used herein, the terms "upper", "lower", and the like are used with reference to the orientation of FIG. 1.
According to the rough boring device for the locking disc stepped hole, which is provided by the embodiment of the invention, as the lower end surface of the cutter head 1 is provided with the plurality of groups of rectangular through groove bodies 12 with different heights in a radial and equal interval manner, the plurality of groups of boring cutters 5 with different lengths can be correspondingly arranged in the rectangular through groove bodies 12, compared with the prior art, the rough boring device can be used for carrying out rough boring on the stepped hole 110 sequentially from top to bottom by the plurality of groups of boring cutters 5 to form the stepped end surface, the feeding amount is automatically adjusted, the machining time is short, and the cost is low. The width of the step end face is the width of the difference "L" between the maximum radius of the step hole 110 and the radius of the drill hole 100 as shown in fig. 4.
In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1
Referring to fig. 1-3, a locking disc step hole rough boring machining device comprises a cutter head 1, a cutter holder 2, a second connecting piece, a third connecting piece and a plurality of groups of boring cutters 5.
The cutter head 1 has a disk body having an upper end surface and a lower end surface.
The lower end face of the cutter head 1 is provided with an opening 11. A plurality of groups of rectangular through groove bodies 12 with different heights h are radially and equally spaced on the lower end surface of the cutter head 1. As shown in fig. 2, the height h is a distance from the lower end surface of the cutter head 1 to the upper end surface of the rectangular through groove 12. The height h of the rectangular through groove body 12 is consistent with the thickness direction of the cutter head 1. The rectangular through groove body 12 is used for assembling the boring cutter 5. The boring cutter 5 is fitted against the upper end face of the rectangular through-groove body 12.
When the boring cutter 5 is assembled in the rectangular through groove body 12, the boring cutter extends beyond the circumferential wall between the upper end surface and the lower end surface of the cutter head 1, and the part of the boring cutter 5 beyond the circumferential wall can be processed to form a step hole 110.
The relationship between the height of the rectangular through groove body 12 and the length of the boring cutter 5 beyond the circumferential wall is: the higher the height of the rectangular through-groove body 12, the longer the boring cutter 5 exceeds the circumferential wall. It will be understood that the higher the rectangular through-groove body 12, the further the stepped hole 110 to be machined. The lower the rectangular through-groove body 12, the closer the distance from the stepped hole 110 to be machined. Therefore, the boring cutter 5 with short length firstly contacts the surface to be processed, and then the movable cutter disc 1 is driven to move downwards along with the driving of an external boring machine, so that the rectangular through groove bodies 12 with different heights gradually move downwards, and the boring cutter 5 arranged in the rectangular through groove bodies 12 is driven to process the step end face from short to long.
During assembly, the cutter head 1 and the cutter holder 2 are connected through a second connecting piece. The third connecting piece fixes the boring cutter 5 on the cutter head 1 through a limiting hole 22 arranged on the cutter holder 2.
Further, the rectangular through groove body 12 includes 4 groups of the first group of rectangular through groove bodies 121, the second group of rectangular through groove bodies 122, the third group of rectangular through groove bodies 123 and the fourth group of rectangular through groove bodies 124, and the height of the first group of rectangular through groove bodies 121 from the lower end surface of the cutter head 1 is the smallest, because the boring cutter 5 assembled in the first group of rectangular through groove bodies 121 firstly contacts the processing surface, the processing point is the smallest aperture of the stepped hole 110. The height from the second group of rectangular through groove bodies 122, the third group of rectangular through groove bodies 123 and the fourth group of rectangular through groove bodies 124 to the lower end face of the cutter head 1 is gradually increased. During assembly, the boring cutter 5 is assembled in the rectangular through groove body 12. Here, each group of rectangular through groove bodies 12 includes two rectangular through groove monomers that are centrosymmetric along the position of the center of the circle of the lower end surface of the cutter head 1, that is, the axial connecting line of each group of rectangular through groove bodies 12 passes through the lower end surface of the cutter head 1 to be circular, and the two rectangular through groove monomers have the same height on the cutter head 1. The boring cutters 5 corresponding to each group of the rectangular through-groove bodies 12 have 4 groups, namely a first boring cutter 51, a second boring cutter 52, a third boring cutter 53 and a fourth boring cutter 54. Each group of boring cutters 5 comprises two boring cutter units with the same length, and the two boring cutter units with the same length are respectively arranged in the two rectangular through groove units with the same height so as to process the stepped holes 110 with the corresponding hole diameters.
Specifically, the boring cutters are divided into a first boring cutter 51, a second boring cutter 52, a third boring cutter 53 and a fourth boring cutter 54, so that the tool depth can be increased as much as possible when the step end face is machined, 4 groups of boring cutters are symmetrically arranged, machining vibration is small, and stability of rough boring machining is ensured.
In the case of a central hole of 100mm diameter, the cutterhead 1 has a diameter of 200mm and the opening 11 has a diameter of 160 mm. For this purpose, the length of the rectangular through-groove body 12 in the direction of the axial line is 20 mm. If one stepped hole is required to be machined, the end face width of the stepped hole 110 is 50 mm. Firstly, 4 groups of boring cutters 5 are selected, and each group of boring cutters needs to be sequentially extended by 12.5 mm. Therefore, the lengths of the second boring cutter 52, the third boring cutter 53 and the fourth boring cutter 54 of the first boring cutter 51 are 32.5mm, 45mm, 57.5mm and 70mm respectively, and the design can calculate the feeding amount of each group of boring cutters 5 in advance before the step hole 110 is machined, and then the cutter head 1 is driven to move downwards by an external boring machine during machining. In the movement process, two first boring cutters 51 which are 32.5mm long and 12.5mm long beyond the circumferential wall are in contact with the stepped hole 110 to process, wherein the two first rectangular through groove bodies 121 are formed by two rectangular through groove monomers which are closest to the lower end face of the cutter head 1 and are symmetrically arranged relative to the center of the lower end face of the cutter head 1; then two second boring cutters 52 which are 45mm long and 25mm long beyond the circumferential wall in the second rectangular through groove body 122 are contacted with the stepped hole 110 for machining; next, two third boring cutters 53 with the length of 57.5mm and the length of 37.5mm beyond the circumferential wall in the third rectangular through groove body 123 are contacted with the stepped hole 110 for machining; finally, two fourth boring cutters 54 which are 70mm long and 50mm long beyond the circumferential wall in the fourth rectangular through groove body 124 are in contact with the stepped hole 110 to roughly bore the stepped hole 110.
Furthermore, the second connecting piece is a plurality of second screws 3, and a plurality of positioning holes 13 which are in threaded connection with the second screws 3 are arranged on the lower end surface of the cutter head 1 at equal intervals;
the cutter holder 2 is provided with a connecting hole 21 corresponding to the positioning hole 13, and the second screw 3 is screwed and fixed on the positioning hole 13 on the lower end surface of the cutter head 1 through the connecting hole 21.
Further, the third connecting piece is a third screw 4, the third screw 4 is arranged corresponding to the rectangular through groove body 12, a limiting hole 22 is in threaded connection with the third screw 4, the upper portion of the third screw 4 abuts against the boring cutter 5 through the limiting hole 22, and the third screw 4 is used for fixing the boring cutter 5 in the rectangular through groove body 12 on the cutter head 1.
Further, the cutter comprises a cutter handle 7 and a first connecting piece, wherein the cutter handle 7 is arranged at the center position above the cutter head 1 and is connected with the cutter head 1 through a key 6; the tool holder 7 is used for connecting an external driving device to rotate the cutterhead 1, and the external driving device can be a boring machine, and is not particularly limited in this embodiment.
The center of the upper end face of the cutter head 1 is provided with an assembling hole 9 communicated with the lower end face opening 11, and the first connecting piece penetrates through the assembling hole 9 to fix the cutter head 1 and the cutter handle 7.
Further, the first connecting piece is a first screw 8, the first screw 8 penetrates through the assembling hole 9 and is in threaded connection with the cutter handle 7, and a screw hole 71 which is matched with the first screw 8 and is in threaded connection with the lower portion of the inner cavity of the cutter handle 7 is arranged. The cutter head 1 and the cutter handle 7 are fixedly connected together through a first screw 8.
Further, the first screw 8, the second screw 3 and the third screw 4 are all hexagon socket head cap screws.
The inner hexagonal cylindrical screw is low in cost, convenient to process and produce and convenient to mount and dismount.
Furthermore, limiting bulges corresponding to the rectangular through groove body 12 are arranged above the cutter holder 2 at intervals in an integrated forming mode. So that the boring cutter 5 is fixed in the rectangular through-groove body 12. And the boring cutter is mounted in order to be matched with the rectangular through groove on the cutter head 1 better.
The cross section of the limiting bulge can be a block-shaped body matched with the rectangular through groove body 12.
Further, the height difference between the first set of rectangular through slots 121, the second set of rectangular through slots 122, the third set of rectangular through slots 123 and the fourth rectangular through slots 124 ranges from 0.5mm to 1 mm. When the boring machine is used for machining, the cutter handle 7 is driven to gradually move downwards through the external driving device, then the cutter handle 7 drives the cutter head 1 to gradually move downwards, so that the first boring cutter 51 positioned at the lowest part firstly eats to machine the step end face, then the second boring cutter 52 eats to machine the step end face again, then the third boring cutter 53 eats to further machine the step end face, and finally the fourth boring cutter 54 positioned at the uppermost part eats to machine the step end face. The rough boring processing of one step end face is successively carried out through the boring cutter group, the feeding amount of the boring cutter group can be directly determined during processing, the processing time of the step end face is shortened, and meanwhile, the boring cutter is low in cost.
Further, the sum of the lengths of the portions of the plurality of sets of boring cutters 5 protruding from the rectangular through-groove body 12 is equal to 2 times the width of the step end face of the step hole 110 to be processed.
Therefore, the feeding amount of the 4 groups of boring cutters 5 can be directly determined, and then when the cutter head 1 is driven downwards to rotate gradually through the boring machine, the end face of the stepped hole 110 can be machined sequentially through the first boring cutter 51, the second boring cutter 52, the third boring cutter 53 and the fourth boring cutter 54, so that the problem that the feeding amount is too large or too small is solved, the machining time is saved, and the machining efficiency is improved.
Example 2
In the case of a central hole of 100mm diameter, the cutterhead 1 has a diameter of 200mm and the opening 11 has a diameter of 160 mm. For this purpose, the length of the rectangular through-groove body 12 in the direction of the axial line is 20 mm. If necessary, a stepped hole 110 having an end face width of 50mm is machined. Firstly, the boring cutter 5 is selected, 5 groups are selected, and each group of boring cutter needs to be sequentially extended by 10 mm. Therefore, the lengths of the first boring cutter, the second boring cutter, the third boring cutter, the fourth boring cutter and the fifth boring cutter are respectively 30mm, 40mm, 50mm, 60mm and 70mm, the design can pre-calculate the feeding amount of each group of boring cutters 5 before the step hole 110 is machined, and then the cutter head 1 is driven to move downwards by an external boring machine during machining. In the moving process, two lengths in a first rectangular through groove body which is formed by two rectangular through groove monomers which are closest to the lower end face of the cutter head 1 and symmetrically arranged relative to the center of the lower end face of the cutter head 1 are 30mm, and a first boring cutter which exceeds the circumferential wall by 10mm is in contact with the stepped hole 110 for processing; then two second boring cutters with the length of 40mm and the length of 20mm beyond the circumferential wall in the second rectangular through groove body are contacted with the stepped hole 110 for machining; then, two third boring cutters with the lengths of 50mm and the lengths of 30mm beyond the circumferential wall in the third rectangular through groove body are in contact with the stepped hole 110 for machining; then, two fourth boring cutters with the lengths of 60mm and the lengths of 40mm beyond the circumferential wall in the fourth rectangular through groove body are in contact with the stepped hole 110 for machining; finally, two fifth boring cutters with the lengths of 70mm in the fifth rectangular through groove body and the lengths of 50mm beyond the circumferential wall are in contact with the stepped hole 110 to roughly bore the stepped hole 110.
The locking disc step hole heavy boring machining device provided by the embodiment has the working principle that:
1: a large-diameter trepanning drill is adopted to process a central hole 110 of the stepped hole;
2: determining the width of the end face of the step to be machined and the number of groups of the boring cutters 5;
3: determining the length of the boring cutter 5 exceeding the circumferential wall according to the width of the step end face and the group number of the boring cutters 5;
4: the tool shank is in driving connection with an external boring machine and is used for driving a boring tool 5 in a rectangular through groove body 12 on the cutter head 1, and rough boring processing of the stepped hole 110 is completed.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (8)
1. The locking disc stepped hole rough boring machining device is characterized by comprising a cutter head (1), a cutter support (2) positioned below the cutter head (1), a second connecting piece, a third connecting piece and a plurality of groups of boring cutters (5);
the cutter head (1) is a disc body with an upper end surface and a lower end surface;
an opening (11) is formed in the lower end face of the cutter head (1), a plurality of groups of rectangular through groove bodies (12) with different heights are radially and equally spaced from the lower end face of the cutter head (1) and used for assembling the boring cutter (5), and the boring cutter (5) is assembled by abutting against the upper end face of the rectangular through groove bodies (12);
the boring cutter (5) is assembled in the rectangular through groove body (12) and extends out of the circumferential wall between the upper end surface and the lower end surface of the cutter head (1);
the relationship between the height of the rectangular through groove body (12) and the length of the boring cutter (5) exceeding the circumferential wall is as follows: the higher the height of the rectangular through groove body (12) is, the longer the length of the boring cutter (5) exceeding the circumferential wall is;
the sum of the lengths of the parts of the plurality of groups of boring cutters (5) extending beyond the circumferential wall in the rectangular through groove body (12) is equal to 2 times of the width of the step end face of the step hole to be machined, and the width of the step end face to be machined and the number of the groups of the boring cutters (5) are determined, so that the length of the boring cutters (5) beyond the circumferential wall is determined;
during assembly, the cutter head (1) is connected with the cutter holder (2) through a second connecting piece, and the boring cutter (5) is fixed on the cutter head (1) through a limiting hole (22) formed in the cutter holder (2) through a third connecting piece.
2. The lock disk stepped hole rough boring machining device as claimed in claim 1, characterized in that the rectangular through groove body (12) includes: the first group of rectangular through groove bodies (121), the second group of rectangular through groove bodies (122), the third group of rectangular through groove bodies (123) and the fourth group of rectangular through groove bodies (124), the first group of rectangular through groove bodies (121) are away from the height of the lower end face of the cutter head (1) is the minimum, the second group of rectangular through groove bodies (122), the third group of rectangular through groove bodies (123) and the fourth group of rectangular through groove bodies (124) are away from the height of the lower end face of the cutter head (1) and are gradually increased, and boring cutters (5) corresponding to the rectangular through groove bodies (12) are respectively a first boring cutter (51), a second boring cutter (52), a third boring cutter (53) and a fourth boring cutter (54).
3. The lock disc stepped hole heavy boring machining device as claimed in claim 2, characterized in that the second connecting piece is a plurality of second screws (3), and a plurality of positioning holes (13) which are in threaded connection with the second screws (3) are formed in the lower end face of the cutter disc (1) at equal intervals;
the cutter holder (2) is provided with a connecting hole (21) corresponding to the positioning hole (13), and the second screw (3) penetrates through the connecting hole (21) and is fixed to the positioning hole (13) on the lower end face of the cutter head (1) in a threaded manner.
4. The lock disc stepped hole rough boring machining device as claimed in claim 2, characterized in that the third connecting piece is a third screw (4), the third screw (4) is arranged corresponding to the rectangular through groove body (12), the limiting hole (22) is in threaded connection with the third screw (4), the upper portion of the third screw (4) abuts against the boring cutter (5) through the limiting hole (22), and the third screw (4) is used for fixing the boring cutter (5) in the rectangular through groove body (12) on the cutter head (1).
5. The locking disc step hole rough boring machining device as claimed in claim 1, characterized by further comprising a cutter handle (7) and a first connecting piece, wherein the cutter handle (7) is arranged at the upper center of the cutter disc (1) and connected with the cutter disc (1) through a key (6);
the utility model discloses a cutter head, including blade disc (1), the mounting hole (9) that the uncovered (11) of terminal surface link up down, the mounting hole (9) of upper end surface center department of blade disc (1) seted up with down, first connecting piece passes mounting hole (9), will blade disc (1) with handle of a knife (7) are fixed, handle of a knife (7) are used for connecting external drive device so that blade disc (1) is rotatory.
6. The lock disk step hole rough boring machining device of claim 5,
the first connecting piece is a first screw (8), the first screw (8) penetrates through the assembling hole (9) and is in threaded connection with the knife handle (7), and a screw hole (71) matched with the first screw (8) and in threaded connection is arranged below an inner cavity of the knife handle (7).
7. The locking disk stepped hole rough boring machining device as claimed in claim 1, characterized in that a limiting protrusion corresponding to the rectangular through groove body (12) is integrally formed above the cutter holder (2) at an interval so that the boring cutter (5) is fixed in the rectangular through groove body (12).
8. The lock disc stepped hole rough boring machining device as claimed in claim 2, characterized in that the height difference between the first set of rectangular through groove bodies (121), the second set of rectangular through groove bodies (122), the third set of rectangular through groove bodies (123) and the fourth rectangular through groove body (124) ranges from 0.5mm to 1 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713504.3A CN111992748B (en) | 2020-07-22 | 2020-07-22 | Locking disk step hole heavy boring processingequipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713504.3A CN111992748B (en) | 2020-07-22 | 2020-07-22 | Locking disk step hole heavy boring processingequipment |
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| CN111992748B true CN111992748B (en) | 2022-08-26 |
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| CN115815700A (en) * | 2022-12-06 | 2023-03-21 | 临西县得立达轴承有限公司 | Processing device for bearing outer ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008221400A (en) * | 2007-03-13 | 2008-09-25 | Hitachi Constr Mach Co Ltd | Cutting device |
| CN201427191Y (en) * | 2009-07-08 | 2010-03-24 | 攀枝花新钢钒股份有限公司 | Multiple-edged boring tool |
| CN201455298U (en) * | 2009-07-27 | 2010-05-12 | 鹤壁天淇汽车模具有限公司 | Multi-station boring tool |
| CN102500777B (en) * | 2011-11-07 | 2014-02-26 | 厦门大学 | Single-edge diamond cutting tool with adjustable outer diameter and replaceable cutting edge |
| CN103008705A (en) * | 2013-01-10 | 2013-04-03 | 安徽全柴动力股份有限公司 | Multi-blade boring tool allowing for synchronously adjusting outer diameters |
| CN203664718U (en) * | 2013-11-25 | 2014-06-25 | 辽宁石油机械制造有限公司 | Boring tool rod for boring machine for machining large-diameter hole and end face of box body |
| CN106914634A (en) * | 2015-12-25 | 2017-07-04 | 茅保富 | Adjustable boring tool disk |
| CN205571434U (en) * | 2016-04-27 | 2016-09-14 | 绍兴祥龙精密机械有限公司 | Rough machined boring cutter subassembly of round hole in being used for |
| CN207464276U (en) * | 2017-10-27 | 2018-06-08 | 抚顺机械设备制造有限公司 | Large diameter pipe aperture knife tool |
| CN110153453A (en) * | 2019-06-27 | 2019-08-23 | 中船动力有限公司 | Stepped boring cutter for boring large aperture through-hole |
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