CN115921921A - Machining tool apron suitable for BTA deep hole drilling and boring machine and machining method thereof - Google Patents
Machining tool apron suitable for BTA deep hole drilling and boring machine and machining method thereof Download PDFInfo
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- CN115921921A CN115921921A CN202211431580.0A CN202211431580A CN115921921A CN 115921921 A CN115921921 A CN 115921921A CN 202211431580 A CN202211431580 A CN 202211431580A CN 115921921 A CN115921921 A CN 115921921A
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention relates to a processing tool apron suitable for a BTA deep hole drilling and boring machine, which comprises a connecting part, a guide part and center holes arranged in the center shafts of the connecting part and the guide part; the center hole of the guide part close to the front end part is a Morse taper center hole, and the guide part is connected with a taper shank standard cutter through the Morse taper center hole; the connecting part is externally provided with threads and is connected with a drill rod of the BAT deep hole drilling and boring machine through the threads; the central holes of the connecting part and the guiding part are communicated with a chip removal pipeline on a drill rod of the BAT deep hole drilling and boring machine; and a method of using the tool holder. The invention has the advantages that the deep blind hole between SR5 and SR48 can be processed on the BAT deep hole drilling and boring machine, compared with a special BAT deep hole ball drill, a drill bit and a milling cutter can be matched for use, a straight handle and a taper handle can be switched for use, the assembly and disassembly are flexible and convenient, a cutter does not need to be customized, and the cost is effectively reduced. The processed product completely meets the quality requirement of processing the deep blind hole in the appearance of the ball bottom.
Description
Technical Field
The invention relates to the technical field of initiating explosive device assembly, in particular to a processing tool apron suitable for a BTA (BTA) deep hole drilling and boring machine.
Background
The deep blind hole processing of high-strength steel materials (the material hardness is more than 55) is frequently encountered in the mechanical processing of the military industry, and the current mechanical processing modes of the warhead projectile body deep blind hole ball bottom processing (the shape is shown in figure 1) mainly comprise deep hole ball head forming drilling, profiling turning and the like. The deep hole ball head forming drill bit used on the deep hole spray-suction drilling and boring machine is a fixed-size cutter with a blade embedding and fixing structure, generally adopts a non-standard system, has higher manufacturing cost and longer manufacturing period, and is suitable for the production of batch products.
However, the outer diameter of the deep-hole ball head forming drill bit is generally larger than the diameter of the drill rod of the deep-hole spray-suction drilling machine, and is limited by the diameter of the drill rod used by the deep-hole spray-suction drilling machine, and when the drill hole is smaller than the diameter of the drill rod, the small-size deep-hole ball head forming drill bit is not easy to manufacture. Therefore, the deep hole jet-suction drilling and boring machine is not easy to drill the deep blind hole in small size;
if the copying turning processing needs to drill a central process hole at the ball bottom and then turn the central process hole layer by layer, the material strength and hardness are high, the turning tool rod is extended in a suspending way, the consumed cutter amount is small, and the efficiency of the copying turning processing layer by layer is low.
Therefore, in the trial production stage of the product, the size of the ball bottom of the elastomer is often changed along with the shape and the size of the elastomer without solidification, so that the ball bottom processed by the two schemes has the defects when the inner holes of the ball bottom of the deep blind holes of SR 5-SR 48 are processed.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the invention provides the machining tool apron suitable for the BTA deep hole drilling and boring machine, which has a simple structure and is convenient to use, can ensure that the deep hole spray suction drilling and boring machine can be freely replaced, and can drill the small-size deep blind hole ball bottom between SR5 and SR48, and the use method of the machining tool apron.
The technical scheme of the invention is as follows: a processing tool apron suitable for a BTA deep hole drilling and boring machine comprises a connecting part, a guide part and center holes arranged in the connecting part and the guide part; the center hole of the guide part close to the front end part is a Morse taper center hole, and the guide part is connected with a taper shank standard cutter through the Morse taper center hole;
the connecting part is externally provided with threads and is connected with a drill rod of the BAT deep hole drilling and boring machine through the threads;
the central holes of the connecting part and the guiding part are communicated with a chip removal channel on a drill rod of the BAT deep hole drilling and boring machine;
the outer circumference of the guide part is also provided with a chip groove, a guide key installation groove and a set screw installation hole; a chip removal hole is also formed in the chip removal groove, is communicated with the central hole of the guide part and is used for removing chips and discharging oil; the fastening screw mounting hole is communicated with the Morse taper center hole and is used for mounting a taper shank standard cutter.
The improved tool also comprises a Morse taper shank reducing sleeve and a Morse taper shank side fixed tool handle, wherein the Morse taper shank reducing sleeve and the Morse taper shank side fixed tool handle are used for switching and installing a straight shank standard tool, a taper shank standard tool and a side fixed standard tool; the outer portion of the Morse taper shank reducing sleeve is matched with the inner portion of a Morse taper center hole in the guide portion, and the inner portion of the Morse taper shank reducing sleeve is matched with the outer portion of the Morse taper shank side fixing cutter handle.
Furthermore, an oil filling groove is formed in the outer circumference of the guide portion.
Furthermore, a wrench groove is formed in the guide portion and close to the connecting portion.
Furthermore, a compression screw mounting hole is further formed in the guide key mounting groove, and the guide key is fixedly mounted in the guide key mounting groove through the compression screw.
Furthermore, the two ends of the connecting part are also provided with positioning spigots which are coaxial with the central hole and the Morse taper central hole.
Furthermore, the standard cutter comprises a twist drill, a u drill, a ball reamer and a ball end milling cutter.
A processing method suitable for BTA deep hole drilling and boring machine comprises the following steps:
inserting the taper shank end of a tool to be machined into a Morse taper central hole of the guide part, screwing a set screw into the set screw hole through a set screw hole, and fixing and positioning the tool shank end;
further, in the first step, when the required standard cutter is a side straight shank, the side fixed cutter handle of the morse taper shank can be inserted into the morse taper middle hole of the guide part, and after the side fixed cutter handle is fixed by the set screw, the side fixed standard cutter of the straight shank is held in the side fixed cutter handle of the morse taper shank and fixed by the set screw;
when the required standard cutter is a taper shank, the Morse reducing sleeve can be inserted into the Morse taper middle hole of the guide part, and after the taper shank standard cutter is fixed by the set screw, the taper shank standard cutter is held in the Morse reducing sleeve and fixed by the set screw.
Furthermore, in the first step, the Morse taper number can be converted by combining the Morse taper shank reducing sleeves with different models.
Step two, installing the guide key in the guide key installation groove and fixing the guide key through a compression screw;
and step three, connecting the tool apron installed in the step two to a drill rod of a BAT deep hole drilling and boring machine for drilling.
Compared with the prior art, the invention has the beneficial effects that:
by using the invention to sleeve a common standard cutter on a BAT deep hole drilling and boring machine, deep blind holes between SR5 and SR48 can be processed, compared with a special BAT deep hole ball-end drill, a drill bit and a milling cutter can be matched for use, a straight handle and a taper handle can be switched for use, the assembly and disassembly are flexible and convenient, the cutter does not need to be customized, and the cost is effectively reduced. Meanwhile, after the guide key groove arranged on the outer cylindrical surface is provided with the guide key, the coaxiality of the appearance of the spherical bottom and the deep hole is ensured, the oil supply groove, the chip discharge groove and the chip discharge hole are arranged, the oil injection and chip discharge functions during processing on the BAT deep hole drilling machine can be ensured, and in order to strengthen the Morse taper self-locking, the tool apron is also provided with a set screw which can prop against the flat tongue of the taper shank tool to prevent rotation; the drill rod is connected with the drill rod of the BAT deep hole drilling and boring machine through the connecting thread and is consistent with the use and connection of a special drill bit of the BAT deep hole drilling and boring machine, and the quality requirement of processing deep blind holes in the appearance of the ball bottom is completely met.
Drawings
Fig. 1 is a schematic view of a structure of a deep blind hole ball bottom of a warhead in the prior art.
FIG. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a schematic structural view of the direct-mounted taper shank twist drill of the present invention.
Fig. 5 is a schematic view of the structure of the direct-mounted taper shank ball end mill of the present invention.
FIG. 6 is a schematic structural view of a straight shank U drill mounted on a side-fixed tool shank of a sleeved Morse taper shank of the present invention.
FIG. 7 is a schematic view of a straight shank ball end mill mounted on a side fixed shank of the sleeved Morse taper shank of the present invention.
FIG. 8 is a schematic structural view of a taper shank twist drill installed on a sleeved Morse reducing sleeve.
FIG. 9 is a structural schematic diagram of a straight shank U-drill mounted on a sleeve-connected Morse reducing sleeve and a Morse wife shank side tool shank of the invention.
FIG. 10 is a schematic structural view of a straight shank ball end mill installed on a sleeve Morse reducer sleeve and a Morse wife shank side cutter handle.
Reference numerals: 1-SR ball bottom, 2-oil injection groove, 3-compression screw mounting hole, 4-guide key mounting groove, 5-chip groove, 6-set screw mounting hole, 7-hook wrench groove, 8-locating spigot, 9-connecting thread, 10-Morse taper center hole, 11-chip removal hole, 12-center hole, 13, morse taper reducing sleeve, 14, morse taper shank side fixed handle, 15-guide key, 16, compression screw, 17-set screw, 18-taper shank twist drill, 19-taper shank ball-end milling cutter, 20-Morse taper shank side fixed handle, 21-straight shank U drill and 22-straight shank ball milling cutter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, but the present invention is not limited thereto.
The embodiment of the invention comprises the following steps:
a processing tool apron suitable for a BTA deep hole drilling and boring machine comprises a connecting part, a guide part and center holes arranged in the connecting part and the guide part; the center hole of the guide part close to the front end part is a Morse taper center hole, and the guide part is connected with a taper shank standard cutter through the Morse taper center hole;
the connecting part is externally provided with a thread and is connected with a drill rod of the BAT deep hole drilling and boring machine through the thread;
the central holes of the connecting part and the guiding part are communicated with a chip removal channel on a drill rod of the BAT deep hole drilling and boring machine;
the outer circumference of the guide part is also provided with a chip groove, a guide key installation groove and a set screw installation hole; a chip removal hole is also formed in the chip removal groove, is communicated with the central hole of the guide part and is used for removing chips and discharging oil; the fastening screw mounting hole is communicated with the Morse taper center hole and is used for mounting a taper shank standard cutter.
The improved tool also comprises a Morse taper shank reducing sleeve and a Morse taper shank side fixed tool handle, wherein the Morse taper shank reducing sleeve and the Morse taper shank side fixed tool handle are used for switching and installing a straight shank standard tool, a taper shank standard tool and a side fixed standard tool; the outside of the Morse taper shank reducing sleeve is matched with the inside of a Morse taper center hole on the guide part, and the inside of the Morse taper shank reducing sleeve is matched with the outside of a Morse taper shank side fixing cutter handle.
The Morse taper shank reducing sleeve is converted between Morse taper numbers, the Morse taper shank reducing sleeve with different models and specifications is sleeved (for example, the Morse taper center hole is No. 5, and the Morse taper reducing sleeve with the diameter of 5 turns, 4 turns, 5 turns, 3 turns, 5 turns, 2 turns, 5 turns, 1 turns and the like can be sleeved), so that the size range of the clamping taper shank and the model and specification of a mountable cutter are expanded, a U drill (or a taper shank twist drill) and a ball milling cutter can be flexibly changed according to the actual processing condition and are used in an exchange and matched mode, the size range of deep blind hole ball bottom processing is expanded, and the processing capacity is improved.
Example 1 (Cone-straight)
The taper shank twist drill is directly installed as shown in figure 4, and the taper shank ball end mill is directly installed as shown in figure 5.
Example 2 (Cone-side straight)
As shown in the attached drawing 6, a straight shank twist drill/U drill is installed by sleeving the side fixed cutter handle of the Morse taper shank, and a straight shank ball-end milling cutter is installed by sleeving the side fixed cutter handle of the Morse taper shank as shown in the attached drawing 7.
Example 3 (Cone-Cone)
The taper shank twist drill is installed by sleeving the morse reducing sleeve as shown in the attached figure 8.
Example 4 (Cone-side straight)
As shown in the attached figure 9, a straight shank twist drill/U drill is installed by sleeving the Morse reducing sleeve and the Morse taper shank side fixed cutter handle, and a straight shank ball-end milling cutter is installed by sleeving the Morse reducing sleeve and the Morse taper shank side fixed cutter handle as shown in the attached figure 10.
Furthermore, an oil filling groove is formed in the outer circumference of the guide portion.
Furthermore, a wrench groove is formed in the guide portion and close to the connecting portion. And screwing the hook spanner to enable the connecting part to be screwed, and installing the connecting part on a drill rod of the BAT deep hole drilling and boring machine.
Furthermore, a compression screw mounting hole is further formed in the guide key mounting groove, and the guide key is fixedly mounted in the guide key mounting groove through the compression screw.
Furthermore, the two ends of the connecting part are also provided with positioning spigots which are coaxial with the central hole and the Morse taper central hole. The two sections of positioning spigots are matched with the positioning surface of the BAT drill rod, and the tolerance of the positioning spigot is h 5-h 6.
Furthermore, the standard cutter comprises a twist drill, a u drill, a ball reamer and a ball end milling cutter.
A processing method suitable for BTA deep hole drilling and boring machine comprises the following steps:
inserting the taper shank end of a cutter to be machined into a Morse taper central hole of a guide part, screwing a set screw into the set screw hole through a set screw hole, and fixing and positioning the taper shank end of the cutter;
in the first step of the method, when the required standard cutter is a side straight shank, a side fixed cutter handle of the Morse taper shank is inserted into a middle hole of the Morse taper of the guide part, and the side fixed standard cutter of the side straight shank is fixed in the side fixed cutter handle of the Morse taper shank by a set screw;
when the required standard cutter is a taper shank, the Morse reducing sleeve can be inserted into the Morse taper middle hole of the guide part, and after the taper shank standard cutter is fixed by the set screw, the taper shank standard cutter is held in the Morse reducing sleeve and fixed by the set screw.
Therefore, the straight shank, the taper shank and the side-fixed standard cutter can be switched and lengthened through the combination of the Morse taper shank reducing sleeve and the Morse taper shank side-fixed cutter handle of different types.
When the method is changed in one step, the Morse taper number can be converted by combining the Morse taper shank reducing sleeves with different models.
Step two, installing the guide key in the guide key installation groove and fixing the guide key through a compression screw;
and step three, connecting the tool apron installed in the step two to a drill rod of a BAT deep hole drilling and boring machine for drilling.
Claims (10)
1. The utility model provides a be suitable for BTA deep hole drilling and boring machine's processing blade holder which characterized in that: comprises a connecting part, a guide part and a central hole arranged in the central shaft of the connecting part and the guide part; the center hole of the guide part close to the front end part is a Morse taper center hole, and the guide part is connected with a taper shank standard cutter through the Morse taper center hole;
the connecting part is externally provided with a thread and is connected with a drill rod of the BAT deep hole drilling and boring machine through the thread;
the central holes of the connecting part and the guiding part are communicated with a chip removal channel on a drill rod of the BAT deep hole drilling and boring machine;
the outer circumference of the guide part is also provided with a chip groove, a guide key installation groove and a set screw installation hole; a chip removal hole is also formed in the chip removal groove, is communicated with the central hole of the guide part and is used for removing chips and discharging oil; the fastening screw mounting hole is communicated with the Morse taper center hole and is used for mounting a taper shank standard cutter.
2. The machining tool holder for the BTA deep hole drilling and boring machine as claimed in claim 1, wherein: the device also comprises a Morse taper shank reducing sleeve and a Morse taper shank side fixed cutter handle, wherein the Morse taper shank reducing sleeve and the Morse taper shank side fixed cutter handle are used for switching and installing a straight shank standard cutter, a taper shank standard cutter and a side fixed standard cutter; the outer portion of the Morse taper shank reducing sleeve is matched with the inner portion of a Morse taper center hole in the guide portion, and the inner portion of the Morse taper shank reducing sleeve is matched with the outer portion of the Morse taper shank side fixing cutter handle.
3. The machining tool holder for a BTA deep hole drilling and boring machine as claimed in claim 1, wherein: an oil injection groove is further formed in the outer circumference of the guide portion.
4. The machining tool holder for the BTA deep hole drilling and boring machine as claimed in claim 1, wherein: and a wrench groove is formed on the guide part and close to the connecting part.
5. The machining tool holder for the BTA deep hole drilling and boring machine as claimed in claim 1, wherein: and a compression screw mounting hole is also formed in the guide key mounting groove, and the guide key is fixedly mounted in the guide key mounting groove through the compression screw.
6. The machining tool holder for the BTA deep hole drilling and boring machine as claimed in claim 1, wherein: and the two ends of the connecting part are also provided with positioning spigots which are coaxial with the central hole and the Morse taper central hole.
7. A machining tool holder adapted to a BTA deep hole drilling and boring machine as claimed in claims 1 and 2, wherein: the standard cutter comprises a twist drill, a u drill, a ball reamer and a ball end milling cutter.
8. A processing method suitable for a BTA deep hole drilling and boring machine is characterized by comprising the following steps: the processing tool holder according to any one of claims 1 to 7 is used, and the processing steps are as follows:
inserting the taper shank end of a cutter to be machined into a Morse taper central hole of a guide part, screwing a set screw into the set screw hole through a set screw hole, and fixing and positioning the taper shank end of the cutter;
step two, installing the guide key in the guide key installation groove and fixing the guide key through a compression screw;
and step three, connecting the tool apron installed in the step two to a drill rod of a BAT deep hole drilling and boring machine for drilling.
9. The machining method for the BTA deep hole drilling and boring machine according to claim 8, wherein the machining method comprises the following steps: in the first step, when the required standard cutter is a side straight shank, a side fixed cutter handle of the Morse taper shank can be inserted into a middle hole of the Morse taper of the guide part, and after the side fixed cutter handle is fixed by a set screw, the side fixed type straight shank standard cutter is held in the side fixed cutter handle of the Morse taper shank and is fixed by the set screw;
when the required standard cutter is a taper shank, the Morse reducing sleeve can be inserted into the Morse taper middle hole of the guide part, and after the taper shank standard cutter is fixed by the set screw, the taper shank standard cutter is held in the Morse reducing sleeve and fixed by the set screw.
10. The machining method for the BTA deep hole drilling and boring machine as claimed in claim 9, wherein: in the first step, the Morse taper number can be converted by assembling and holding the Morse taper shank reducing sleeves of different models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211431580.0A CN115921921A (en) | 2022-11-15 | 2022-11-15 | Machining tool apron suitable for BTA deep hole drilling and boring machine and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211431580.0A CN115921921A (en) | 2022-11-15 | 2022-11-15 | Machining tool apron suitable for BTA deep hole drilling and boring machine and machining method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115921921A true CN115921921A (en) | 2023-04-07 |
Family
ID=86554857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211431580.0A Pending CN115921921A (en) | 2022-11-15 | 2022-11-15 | Machining tool apron suitable for BTA deep hole drilling and boring machine and machining method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115921921A (en) |
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2022
- 2022-11-15 CN CN202211431580.0A patent/CN115921921A/en active Pending
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