CN217316006U - Simple deep hole boring device for enlarging inner hole machining range - Google Patents
Simple deep hole boring device for enlarging inner hole machining range Download PDFInfo
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- CN217316006U CN217316006U CN202220754526.9U CN202220754526U CN217316006U CN 217316006 U CN217316006 U CN 217316006U CN 202220754526 U CN202220754526 U CN 202220754526U CN 217316006 U CN217316006 U CN 217316006U
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Abstract
The utility model relates to a through reforming transform former deep hole boring device and increase the piece with 4 departments of fix with screw on former deep hole boring device, realize the simple and easy deep hole boring device of the hole machining scope that enlarges of bigger interior hole machining scope, including original thick smart boring device, the dress increases the piece on original thick smart boring device, lower part increasing the piece is equipped with the location boss, it leads the keyway at original thick smart boring device's log through this location boss dress to increase the piece, fix with screw on original thick smart boring device through interior hexagonal cylinder head, increase a piece upper portion and offered and increase a wood and lead the keyway, increase a wood and lead the key inslot and install wood and lead the key, simple structure has, and the preparation is convenient, manufacturing cost is less, can be on the basis of former bore hole device on quick effectual the deep hole of the different apertures of solution advantage.
Description
Technical Field
The utility model relates to a through reforming transform former deep hole boring device and increase the piece with 4 departments of fix with screw on former deep hole boring device, realize the simple and easy deep hole boring device of the hole application range that enlarges of bigger hole application range.
Background
At present, the inner holes of many parts in China need to be subjected to rough and fine boring processing. Such as cylinder barrels, corrugating rollers and special products. The aperture is various, and rough and fine boring frock can not cover all apertures, and the part in special aperture needs processing sometimes, and interim design preparation processing frock can't satisfy the production progress requirement. In order to manufacture a proper deep hole boring tool with high efficiency and meet the production requirement in time, 4 heightening blocks are required to be designed in order to save the manufacturing cost, and the heightening blocks are fixed in a key groove of an original deep hole boring cutter body through screws, so that deep hole machining of an inner hole with a large aperture close to the large aperture is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of existence among the prior art and provide one kind can save set manufacturing cost, it is simple convenient to make, and the frock of final preparation completion can reach the simple and easy deep hole boring device of the hole application range that enlarges of better result of use.
The technical scheme of the utility model is realized like this: the utility model provides an enlarge simple and easy deep hole boring device of hole process scope, includes original thick fine boring device, installs the piece that increases on original thick fine boring device, is provided with the location boss in the lower part that increases the piece, increases the piece and installs in original thick fine boring device's log through this location boss leads the keyway to fix on original thick fine boring device through the installation of hexagon socket head cap screw, increase a wood and lead the keyway simultaneously and seted up on increasing a upper portion, increase a wood and lead the keyway and install wood guide key in the keyway at this.
The width L of the positioning boss of the heightening block is in clearance fit with the groove width of the log guide key groove, the fit clearance is 0.1-0.2 mm, the height H1 of the boss is 0.1-0.2 mm in fit clearance with the groove bottom of the log guide key groove, and the length of the positioning boss is consistent with that of the log guide key groove.
The arc surface is processed below the heightening blocks on two sides of the positioning boss, the radius of the arc surface is the same as the excircle radius of the bottom of the log guide key groove, a root cleaning groove is processed at the intersection of the arc surface and the positioning boss, the width of the root cleaning groove is 2-5 mm, the depth of the root cleaning groove is 0.5mm higher than the arc highest point of the excircle radius R of the log guide key of the original cutter body, and the outer circle of the original cutter body is tightly attached to the arc of the heightening blocks.
The wood guide key groove of the heightening block, which is formed in the upper part of the heightening block, is positioned in the center of the upper plane of the wood guide key groove, the groove depth is 15-20 mm, and the groove width is 25-30 mm.
The height H + the excircle radius R of the wood guide key of the original cutter body of the heightening block = the bore diameter phi D/2- (15-30) mm to be processed.
The width L1 of the heightening block is not more than the chord length of the excircle radius R of the wood guide key of the original cutter body.
The heightening block is symmetrically provided with 3 screw through holes phi d1 and counter bores phi d2 on two sides of a wood guide key groove of the heightening block, the depth H3 of each counter bore is larger than or equal to the maximum diameter length of the hexagon socket head screw, the through holes are drilled through, the diameter phi d2 of each counter bore is = the diameter +1mm of the head screw head of the counter bore, the diameter phi d1 of each through hole is = the diameter +1mm of the thread, the distance between the screw hole and two ends is 20mm respectively, and the screw holes are symmetrically distributed in the middle.
The edges at the two sides of the heightening block are provided with 20-degree chamfers for increasing the chip removal space.
The technical scheme of the utility model the positive effect that produces as follows: through the design that increases the piece, make original existing bore hole device integrative dual-purpose, can realize the aperture scope that original device processed, install increase the piece after can realize the processing of bigger aperture again, preparation convenient and fast practices thrift manufacturing cost. Therefore the utility model has the advantages of simple structure, the preparation is convenient, and manufacturing cost is less, can be on the basis of former bore hole device quick effectual deep hole processing who solves different apertures. The device has the advantages of simple structure, convenient manufacture and low manufacturing cost, and can quickly and effectively process deep holes with different apertures on the basis of the original boring device.
Drawings
FIG. 1 is a front view of the original fine boring device.
Fig. 2 is a left side view of the original fine boring device.
FIG. 3 is a structural top view of the original fine boring device.
FIG. 4 is a cross-sectional view of the threads of the original fine boring device.
Fig. 5 is a front view of the simple deep hole boring device for enlarging the inner hole machining range of the present invention.
Fig. 6 is a left side view of the simple deep hole boring device for enlarging the inner hole machining range of the present invention.
Fig. 7 is a front view of a height increasing block in the simple deep hole boring device for enlarging the inner hole machining range of the present invention.
Fig. 8 is a top view of the height increasing block in the simple deep hole boring device for enlarging the inner hole machining range of the present invention.
Fig. 9 is a schematic structural diagram of the simple deep hole boring device for enlarging the inner hole machining range of the present invention, which is provided with a wood guide key and rotates by 45 degrees.
Detailed Description
As shown in fig. 9, the present invention relates to a simple deep hole boring device for enlarging the inner hole machining range, which comprises an original fine boring device 1, four heightening blocks 2, twenty-four GB/T70.1-2000 socket head cap screws 3, and four wood guide keys 4. The utility model comprises an original rough boring device, an original fine boring device, 4 heightening blocks and 24 GB/T70.1-2000 socket head cap screws. The heightening block is designed into a square block, a positioning boss is machined in the middle according to the width, the length and the depth of a wood guide key of the original boring device, original arcs with the same size are milled on two sides according to the outer circle of the original boring device, and a root cleaning groove is milled at the intersection of the original arcs and the positioning boss so that the heightening block positioning boss can be tightly attached to the outer circle when being installed in the wood guide key groove of the original boring device conveniently. According to the size of the processed aperture and the size of an original boring device, the appropriate height of the heightening block is designed, a wood guide key groove is milled at the center of the uppermost end of the heightening block, and three screw holes are processed on two sides of the groove. And (3) placing the heightening block into the wood guide key groove of the original boring device, drilling a screw bottom hole, taking the heightening block out, tapping, then re-placing the heightening block, and fixing by using a screw. The wood guide key is arranged in the groove of the newly processed heightening block, and the processing of the needed aperture can be realized.
As shown in fig. 1, 2, 3, and 4, the fine boring device 1 is an original fine boring device that has been already processed and used.
As fig. 7, fig. 8, fig. 9 show, the utility model discloses an enlarge simple and easy deep hole boring device of hole process range, including original thick fine boring device 1, install and increase piece 2 on original thick fine boring device 1, be provided with the location boss in the lower part that increases piece 2, increase piece 2 and install in original thick fine boring device 1's log guide key inslot through this location boss, and fix on original thick fine boring device 1 through the installation of hexagon socket head cap screw 3, increase 2 upper portions of piece simultaneously and seted up and increase a wood guide key groove, increase and install wood guide key 4 in the wood guide key groove.
As shown in fig. 7 and 8, the heightening block 2 is designed into a block, and L, H1, R and root cleaning grooves of the positioning boss are centrally machined according to the width, length and depth of the wood guide key on the original boring device. According to the size of the processed aperture and the size of an original boring device, the appropriate height of the heightening block is designed, a wood guide key groove is milled at the center of the uppermost end of the heightening block, and three screw holes are processed on two sides of the groove. And (3) arranging the heightening block into the wood guide key groove of the original boring device, drilling a screw bottom hole, taking the heightening block out, tapping, then re-arranging the heightening block and fixing by using a screw. The wood guide key is arranged in the groove of the newly processed heightening block, and the processing of the needed aperture can be realized.
As shown in fig. 7 and 8, the size of the positioning boss of the heightening block 2 is as follows: the width L is in clearance fit with the log guide key groove, the fit clearance is 0.1-0.2 mm, the height H1 of the positioning lug boss of the heightening block 2 is 0.1-0.2 mm of the fit clearance of the groove bottom, and the length of the positioning lug boss of the heightening block 2 is consistent with the linear length of the log guide key on the original device.
As shown in fig. 7 and 8, an arc surface is processed below the heightening blocks at two sides of the positioning boss, the arc radius is the same as the outer radius of the original device, and a root cleaning groove is processed at the intersection of the arc surface and the positioning boss: the width is 2-5 mm, and the depth is 0.5mm higher than the highest point of the R arc. The device is used for back chipping and can ensure that the excircle of the cutter body of the original boring device is tightly attached to the circular arc of the heightening block.
As shown in fig. 7 and 8, the height increasing block 2: a new key groove required by the wood guide key is machined in the center of the upper plane, the groove depth is 15-20 mm, and the groove width is usually 25-30 mm.
As shown in fig. 7 and 8, the height increasing block 2: the height H + R (the excircle radius of a wood guide key of a raw cutter body) = the aperture phi D/2- (15-30) required to be processed.
As shown in fig. 7 and 8, the height increasing block 2: the width L1 is equal to or less than R chord length in principle, and can be designed according to the width of the wood guide key and the diameter of the screw 3 in actual processing, wherein L2= 8-10 and L3= 8-10 are commonly used.
As shown in fig. 7 and 8, the height increasing block 2: and (3) screw through holes phi d1 and counter bores phi d2 are symmetrically machined on two sides of the wood guide key groove, the depth H3 of the counter bore is larger than or equal to the maximum diameter length of the hexagon socket head screw 3, the through hole is drilled through, the diameter phi d2 of the counter bore = the diameter of the head screw head of the counter bore +1mm, the diameter phi d1 of the through hole = the diameter of the thread +1mm, the screw hole positions are 20mm away from two ends respectively, and the middle parts of the screw holes are symmetrically distributed.
As shown in fig. 7 and 8, the height increasing block 2: in order to increase the chip removal space, the edges at two sides can be chamfered (5-15) multiplied by 20 degrees. According to the specific situation, if the chip removal space is good, the distance between the edge of the bored hole and the inner hole of the cylinder barrel is more than 10mm after the wood guide key 4 is installed, and the edges on two sides can not be chamfered.
As shown in figures 5 and 6, the simple deep hole boring device for expanding the inner hole machining range needs to assemble the heightening block 2 with the original rough and fine boring device 1 and then drill a threaded bottom hole, and the distance between the drill point of the threaded bottom hole and the maximum hole diameter PhiD 1 of the original boring device needs to be ensured to be more than 5mm, so that the situation that the strength is insufficient after drilling is avoided, and cutting fluid overflows from the screw hole is avoided.
The device is connected with a cutter bar, a wood guide key is arranged, the main shaft rotates, and the cutter bar drives the rough boring device and the fine boring device to do linear motion, so that the boring processing of the inner hole is realized.
A simple deep hole boring device for expanding the inner hole machining range comprises a rough boring device, a fine boring device, a heightening block and GB/T70.1-2000 hexagon socket head cap screws. The rough boring device and the fine boring device are already machined and used. The heightening block is designed into a square block, a positioning boss is machined in the middle according to the width, the length and the depth of a wood guide key of an original boring device, original arcs with the same size are milled on two sides according to the outer circle of the original boring device, and a root cleaning groove is milled at the intersection of the original arcs and the positioning boss so as to be convenient for the heightening block positioning boss to be tightly attached to the outer circle when being installed in the wood guide key groove of the original boring device. According to the size of the processed aperture and the size of an original boring device, the appropriate height of the heightening block is designed, a wood guide key groove is milled at the center of the uppermost end of the heightening block, and three screw holes are processed on two sides of the groove. And (3) placing the heightening block into the wood guide key groove of the original boring device, drilling a screw bottom hole, taking the heightening block out, tapping, then re-placing the heightening block, and fixing by using a screw. The wood guide key is arranged in the groove of the newly processed heightening block, and the processing of the needed aperture can be realized.
The size of the positioning boss of the heightening block is as follows: the width L is in clearance fit with the log guide key groove, the fit clearance is 0.1-0.2 mm, the height H1 is 0.1-0.2 mm in fit clearance with the groove bottom, and the length L is consistent with the straight line length of the log guide key on the original device.
Increase a location boss both sides and process out former cambered surface, the circular arc radius is the same with former device excircle radius, and the crossing department of circular arc and locating piece processes out the groove of clearing root: the width is 2-5 mm, and the depth is 0.5mm higher than the highest point of the R arc. (used for back chipping and can ensure that the excircle of the original cutter body is tightly attached to the circular arc of the heightening block).
The heightening block is: a new key groove required by the wood guide key is machined in the center of the upper plane, the groove depth is 15-20 mm, and the groove width is usually 25-30 mm.
The heightening block is: the height H + R (the excircle radius of a wood guide key of a raw cutter body) = the aperture phi D/2- (15-30) required to be processed.
The heightening block is: the width L1 is equal to or less than R chord length in principle, and can be designed according to the width of a wood guide key and the diameter of a screw in actual processing, wherein L2= 8-10 and L3= 8-10 are commonly used.
The heightening block is: and (3) screw through holes phi d1 and counter bores phi d2 are symmetrically machined on two sides of the wood guide key groove, the depth H3 of the counter bore is larger than or equal to the maximum diameter length of the hexagon socket head screw, the through hole is drilled through, the diameter phi d2= the diameter of the head screw head of the counter bore +1mm, the diameter phi d1= the diameter of the thread +1mm, the screw hole positions are respectively 20mm away from two ends, and the middle parts are symmetrically distributed.
The heightening block is: in order to increase the chip removal space, the edges at two sides can be chamfered (5-15) multiplied by 20 degrees. According to the specific situation, if the chip removal space is good, the distance between the edge of the boring hole and the inner hole of the cylinder barrel is more than 10mm after the wood guide key is installed, and the edges on two sides can not be chamfered.
The simple deep hole boring device capable of expanding the inner hole machining range needs to assemble the heightening block and the original boring device and then drill a threaded bottom hole, and the distance of more than 5mm is guaranteed between the drill point of the threaded bottom hole and the maximum aperture phi D1 of the original boring device, so that the situation that strength is insufficient after drilling is avoided, and cutting fluid overflows from a screw hole is avoided.
Claims (8)
1. The utility model provides an enlarge simple and easy deep hole boring device of hole application scope, includes original thick fine boring device (1), installs increase piece (2) on original thick fine boring device (1), its characterized in that: the lower part of the heightening block (2) is provided with a positioning boss, the heightening block (2) is installed in a log guide key groove of an original rough and fine boring device (1) through the positioning boss and is installed and fixed on the original rough and fine boring device (1) through an inner hexagonal socket head cap screw (3), meanwhile, the upper part of the heightening block (2) is provided with a heightening block wood guide key groove, and a wood guide key (4) is installed in the heightening block wood guide key groove.
2. The simple deep hole boring device for expanding the machining range of the inner hole, according to claim 1, is characterized in that: the width L of the positioning boss of the heightening block (2) is in clearance fit with the groove width of the log guide key groove, the fit clearance is 0.1-0.2 mm, the height H1 of the boss is 0.1-0.2 mm in fit clearance with the groove bottom of the log guide key groove, and the length of the positioning boss is consistent with that of the log guide key groove.
3. The simple deep hole boring device for expanding the machining range of the inner hole, according to claim 1, is characterized in that: the arc surface is processed below the heightening blocks (2) on two sides of the positioning boss, the radius of the arc surface is the same as the excircle radius of the bottom of the log guide key groove, a root cleaning groove is processed at the intersection of the arc surface and the positioning boss, the width of the root cleaning groove is 2-5 mm, the depth of the root cleaning groove is 0.5mm higher than the highest point of the excircle radius R of the log guide key of the original cutter body, and the excircle of the original cutter body is tightly attached to the arcs of the heightening blocks.
4. The simple deep hole boring device for expanding the machining range of the inner hole, according to claim 1, is characterized in that: the heightening block wood guide key groove formed in the upper portion of the heightening block (2) is located in the center of the upper plane of the heightening block wood guide key groove, the groove depth is 15-20 mm, and the groove width is 25-30 mm.
5. The simple deep hole boring device for expanding the machining range of the inner hole as claimed in claim 1, wherein: the height H + the excircle radius R of the wood guide key of the original cutter body of the heightening block (2) is = the bore diameter phi D/2- (15-30) mm to be processed.
6. The simple deep hole boring device for expanding the machining range of the inner hole, according to claim 1, is characterized in that: the width L1 of the heightening block (2) is not more than the chord length of the excircle radius R of the wood guide key of the original cutter body.
7. The simple deep hole boring device for expanding the machining range of the inner hole, according to claim 1, is characterized in that: the heightening block (2) is symmetrically provided with 3 screw through holes Phid 1 and counter bores Phid 2 at two sides of a wood guide key groove of the heightening block, the depth H3 of the counter bores is larger than or equal to the maximum diameter length of the hexagon socket head screws, the through holes are drilled through, the diameter Phid 2 of the counter bores is = the diameter +1mm of the heads of the counter bores, the diameter Phid 1 of the through holes is = the diameter +1mm of threads, the distance between the screw holes and two ends is 20mm respectively, and the screw through holes are symmetrically distributed in the middle.
8. The simple deep hole boring device for expanding the machining range of the inner hole, according to claim 1, is characterized in that: edges on two sides of the heightening block (2) are provided with 20-degree chamfers for increasing the chip removal space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220754526.9U CN217316006U (en) | 2022-04-02 | 2022-04-02 | Simple deep hole boring device for enlarging inner hole machining range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220754526.9U CN217316006U (en) | 2022-04-02 | 2022-04-02 | Simple deep hole boring device for enlarging inner hole machining range |
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| Publication Number | Publication Date |
|---|---|
| CN217316006U true CN217316006U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220754526.9U Active CN217316006U (en) | 2022-04-02 | 2022-04-02 | Simple deep hole boring device for enlarging inner hole machining range |
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| CN (1) | CN217316006U (en) |
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2022
- 2022-04-02 CN CN202220754526.9U patent/CN217316006U/en active Active
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