CN214977941U - High-speed precise fine and deep hole machining machine tool - Google Patents
High-speed precise fine and deep hole machining machine tool Download PDFInfo
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- CN214977941U CN214977941U CN202121618121.4U CN202121618121U CN214977941U CN 214977941 U CN214977941 U CN 214977941U CN 202121618121 U CN202121618121 U CN 202121618121U CN 214977941 U CN214977941 U CN 214977941U
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- 238000003754 machining Methods 0.000 title claims abstract description 21
- 238000005553 drilling Methods 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 13
- 238000005520 cutting process Methods 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Abstract
The utility model relates to a high-speed precise fine and deep hole processing machine tool, which is a five-axis processing mechanism of an X axis, an A axis, a Y axis, a B axis and a W axis; an X-axis carriage of the X-axis sliding mechanism is driven by an X-axis lead screw transmission unit to slide linearly along an X-axis guide rail; an A-axis turntable of the A-axis slewing mechanism is arranged above the X-axis carriage, and the output end of the A-axis turntable fixes a workpiece through a chuck clamping jaw, so that the workpiece slides linearly along the X axis and is rotated by the A-axis turntable to convert the machining position; a Y-axis carriage of the Y-axis sliding mechanism is driven by a Y-axis lead screw transmission unit to slide linearly along a Y-axis guide rail; a B-axis turntable of the B-axis slewing mechanism is arranged above a Y-axis carriage, a W-axis gun drill mechanism is arranged on the B-axis turntable through a base, and the W-axis gun drill mechanism slides linearly on the base along a W axis and rotates through the B-axis turntable to form a slewing machining structure of the W-axis gun drill mechanism. The drilling machine has the advantages of flexible positioning, high-efficiency drilling and high drilling precision.
Description
Technical Field
The utility model belongs to the technical field of the machining makes and specifically relates to a high-speed accurate fine and deep hole machine tool is related to.
Background
Deep hole machining is a hole having a ratio of hole length to hole diameter of more than 5. The processing device and equipment for the precise deep hole with the length-diameter ratio larger than 10 are different from the traditional hole processing mode, mainly depend on specific drilling technologies such as gun drill, BTA drill, jet-suction drill and the like, represent advanced and efficient hole processing technologies, can obtain a precise processing effect through one-time feed, and can obtain a precise processed hole with accurate position, high dimensional precision such as straightness, roundness and the like and high surface finish.
With the rapid development of the machine manufacturing industry, deep hole processing technology and equipment originally limited to specific fields such as military industry, aerospace and the like are widely applied to various industries in China, such as gun drills. Gun drills are an effective deep hole machining tool, and the machining range is wide, and the gun drills can be used for deep hole machining of die steel, glass fibers, plastics such as Teflon (Teflon) and the like, and high-strength alloys such as P20 and inconel. In deep hole machining with strict requirements on tolerance and surface roughness, the gun drill can ensure the size precision, the position precision and the straightness of the hole. In order for a gun drill to achieve satisfactory results in deep hole drilling, the performance of the gun drill system, including tools, fixtures, accessories, workpieces, control units, coolant, and operating procedures, must be mastered. According to the structure of the workpiece, the hardness of the workpiece material and the working condition and quality requirement of the deep hole processing machine tool, the excellent processing performance can be obtained only by selecting proper cutting speed, feeding amount, geometrical parameters of a cutter, a hard alloy mark and parameters of cooling liquid.
The fine deep hole with the diameter of less than 3.0mm is processed, and the requirements on the rigidity and the manufacturing precision of drilling equipment, the filtering precision of cooling liquid, the pressure and the flow of the cooling liquid and the rotating speed of a main shaft are higher.
In this regard, it is important to design a machine tool suitable for fine deep hole processing with a diameter of 3.0mm or less.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a location is nimble accurate, high-efficient drilling, the high accurate fine and deep hole machine tool of drilling precision is provided.
The purpose of the utility model is realized like this: the X-axis sliding mechanism, the A-axis slewing mechanism, the Y-axis sliding mechanism, the B-axis slewing mechanism and the W-axis gun drill mechanism are included; an X-axis carriage of the X-axis sliding mechanism is driven by an X-axis lead screw transmission unit to slide linearly along an X-axis guide rail arranged on the lathe bed; an A-axis turntable of the A-axis slewing mechanism is arranged above the X-axis carriage, and the output end of the A-axis turntable fixes a workpiece through a chuck clamping jaw, so that the workpiece slides linearly along the X axis and is rotated by the A-axis turntable to convert the machining position; a Y-axis guide rail of the Y-axis sliding mechanism, which is arranged on the lathe bed, is vertical to the X-axis guide rail, and a Y-axis carriage of the Y-axis sliding mechanism is driven by a Y-axis lead screw transmission unit to slide linearly along the Y-axis guide rail; a B-axis turntable of the B-axis slewing mechanism is arranged above a Y-axis carriage, a W-axis gun drill mechanism is arranged on the B-axis turntable through a base, and the W-axis gun drill mechanism slides linearly on the base along a W axis and rotates through the B-axis turntable to form a slewing machining structure of the W-axis gun drill mechanism.
The utility model discloses, the W-axis gun drill mechanism comprises a main shaft seat, an electric main shaft and a guide arm; the section of the base is approximately in a concave shape, the upper surfaces of the convex parts at the front side and the rear side of the base are provided with W-axis guide rails for the spindle seat to slide, the middle concave part of the base is provided with a W-axis spindle seat driving mechanism, and the electric spindle is driven by the W-axis spindle seat driving mechanism to slide linearly along the W-axis guide rails along with the spindle seat; the front end of the electric main shaft is connected with a gun drill, the guide arm is approximately L-shaped and comprises a cantilever and a sliding arm which are connected into a whole, the lower end of the cantilever is provided with a chip removal chamber for the gun drill to pass through and collect chips, the front end of the cantilever is provided with a guide sleeve for the gun drill to contact with the surface of a workpiece during drilling, the inner diameter of the guide sleeve is slightly larger than the diameter of the gun drill to form clearance fit, a fine through hole of a drill bit of the gun drill is communicated with a shaft core hole of the electric main shaft, high-pressure liquid is provided by a high-pressure pipe, and the high-pressure liquid pushes the chips cut by the drill hole into a V-shaped chip removal straight groove of the gun drill to flow backwards into the chip removal chamber; the lower side of the sliding arm is slidably mounted on the spindle seat through a sliding arm linear guide rail, and the air cylinder mounted on the spindle seat is connected with the lower side of the sliding arm in a jacking mode through an air cylinder push rod to form pushing connection of the air cylinder to the guide arm.
The utility model discloses, W axle spindle drum actuating mechanism includes the motor and by the W axle lead screw that lead screw tailstock and lead screw headstock supported, the output of motor passes through the shaft coupling and is connected with the head locking of lead screw.
The utility model discloses, the chip removal room sets up the chip guide groove downwards, and the position that the base corresponds the chip guide groove is provided with the chip receiving groove.
The utility model adopts an integral casting structure, and has good rigidity; the X axis, the A axis, the Y axis, the B axis and the W axis are processed in five axes, so that the processing is flexible; the guide arm and the spindle seat are of an integrated structure, so that the rigidity is good, and the assembly precision is high; the cylinder is arranged in the guide arm, so that stable thrust can be provided during drilling, the end surface of the guide sleeve is tightly attached to the surface of a workpiece, a sealing effect is achieved, high-pressure oil is forced to be discharged from a chip guide groove of a chip removal chamber of the gun drill only, and smooth drilling and cutting are ensured; the drilling action adopts servo motor drive, can set up multistage drilling speed, and drilling speed is steady, cooperates the high rotational speed performance of electric main shaft and controls the degree of consistency of cutting effectively, improves the life-span and the drilling efficiency of gun drill. The drilling machine has the advantages of good rigidity, flexible and accurate positioning, high-efficiency drilling and high drilling precision. The method is more suitable for fine deep hole machining of less than 3.0mm in the circumferential radial direction of annular and disc-shaped parts.
The following examples are provided to further illustrate the present invention in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic top view of the embodiment of FIG. 1;
fig. 3 is a schematic structural view of the W-axis gun drill mechanism of the embodiment of fig. 1.
In the figure, 1, an X-axis carriage; 2. an X-axis lead screw transmission unit; 3. a bed body; 4. an X-axis guide rail; 5. an A-axis turntable; 6. a chuck jaw; 7. a workpiece; 8. a Y-axis guide rail; 9. a Y-axis carriage; 10. a Y-axis screw rod transmission unit; 11. a B-axis turntable; 12. a base; 13. a W-axis gun drill mechanism; 14. a main shaft seat; 15. an electric spindle; 16. a guide arm; 17. a W-axis guide rail; 18. gun drilling; 19. a cantilever; 20. a slider arm; 21. a chip removal chamber; 22. a guide sleeve; 23. a spindle bore; 24. a high pressure pipe; 25. a sliding arm linear guide rail; 26. a cylinder; 27. a cylinder push rod; 28. a motor; 29. a screw rod tailstock; 30. a screw head seat; 31. a W-axis screw rod; 32. a coupling; 33. a chip guide groove; 34. a chip receiving groove.
Detailed Description
Referring to fig. 1 to 3, the present embodiment is a high-speed precise fine deep hole machining machine tool, which includes an X-axis sliding mechanism, an a-axis rotating mechanism, a Y-axis sliding mechanism, a B-axis rotating mechanism, and a W-axis gun drill mechanism 13; an X-axis carriage 1 of the X-axis sliding mechanism is driven by an X-axis lead screw transmission unit 2 to slide linearly along an X-axis guide rail 4 arranged on a lathe bed 3; an A-axis turntable 5 of the A-axis slewing mechanism is arranged above the X-axis carriage, and the output end of the A-axis turntable fixes a workpiece 7 through a chuck clamping jaw 6, so that the workpiece slides linearly along the X axis and is rotated by the A-axis turntable to convert the machining position; a Y-axis guide rail 8 of the Y-axis sliding mechanism, which is arranged on the lathe bed, is vertical to the X-axis guide rail, and a Y-axis carriage 9 of the Y-axis sliding mechanism is driven by a Y-axis lead screw transmission unit 10 to slide linearly along the Y-axis guide rail; a B-axis rotary table 11 of the B-axis rotary mechanism is arranged above the Y-axis carriage, a W-axis gun drill mechanism is arranged on the B-axis rotary table through a base 12, and the W-axis gun drill mechanism slides linearly on the base along a W axis and rotates by the B-axis rotary table to form a rotary processing structure of the W-axis gun drill mechanism; the W-axis gun drill mechanism comprises a spindle seat 14, an electric spindle 15 and a guide arm 16; the section of the base is approximately concave, the upper surfaces of the convex parts at the front side and the rear side of the base are provided with W-axis guide rails 17 for the spindle seat to slide, the middle concave part of the base is provided with a W-axis spindle seat driving mechanism, and the electric spindle is driven by the W-axis spindle seat driving mechanism to slide linearly along the W-axis guide rails along with the spindle seat; the front end of the electric main shaft is connected with a gun drill 18, the guide arm is approximately L-shaped and comprises a cantilever 19 and a sliding arm 20 which are connected into a whole, the lower end of the cantilever is provided with a chip removal chamber 21 for the gun drill to pass through and collect chips, the front end of the cantilever is provided with a guide sleeve 22 for the gun drill to be in contact with the surface of a workpiece during drilling, the inner diameter of the guide sleeve is slightly larger than the diameter of the gun drill to form clearance fit, a fine through hole of a drill bit of the gun drill is communicated with a shaft core hole 23 of the electric main shaft, a high-pressure pipe 24 provides high-pressure liquid, and the high-pressure liquid pushes the chips cut by the drill hole into a V-shaped chip removal straight groove of the gun drill to flow backwards into the chip removal chamber; the lower side of the sliding arm is slidably mounted on a spindle base through a sliding arm linear guide rail 25, and a cylinder 26 mounted on the spindle base is connected with the lower side of the sliding arm in a jacking way through a cylinder push rod 27 to form pushing connection of the cylinder to the guide arm; the W-axis spindle seat driving mechanism comprises a motor 28 and a W-axis screw 31 supported by a screw rod tailstock 29 and a screw rod headstock 30, and the output end of the motor is in locking connection with the head of the screw rod through a coupler 32; the chip removal chamber is provided with a chip guide groove 33 downwards, and the part of the base corresponding to the chip guide groove is provided with a chip receiving groove 34.
The utility model discloses a high-speed accurate fine and deep hole processing is like: referring to fig. 1, first, a workpiece 7 is mounted on a chuck jaw 6 for calibration, then, a drilling program is programmed according to the distribution and size of the fine-deep hole machining required for the workpiece, and then, the program is input to an operating system for operation. When a drilling processing program is operated, firstly, the system controls the linkage of an X axis, a Y axis and an A axis, the orifice of the guide sleeve is positioned to the drilling initial point of a target hole, and meanwhile, the B axis swings to the drilling angle of the target hole; then, the system controls the electric spindle 15 to start to a program target rotating speed, and the center liquid outlet high-pressure oil is started; then, the system controls the gun drill 18 to do W-axis drilling motion, the guide sleeve 22 is firstly attached to the surface of the workpiece, then the gun drill enters the surface of the workpiece under the guide of the guide sleeve, and then the gun drill is linearly processed to the depth of the hole under the guide of the drilling; after drilling is completed, the W shaft retreats to a safe position; to this end, one drilling cycle is ended. And then, the system controls the X-axis, the Y-axis and the A-axis to be linked to position the orifice of the guide sleeve to the initial drilling point of the next hole, meanwhile, the B-axis swings to the drilling angle of the target hole, the next drilling cycle is repeated, after the drilling program is finished, high-pressure oil is discharged from the center, the electric spindle stops, the W-axis stops, and the X-axis, the Y-axis, the B-axis and the A-axis return to the safe positions.
The utility model discloses, drilling is gone into and is withdrawn from the in-process, and the cylinder is ejecting forward always, and high-pressure deep hole bores oil and bores the hole at the rifle and dash out, and the piece of cutting pin is extruded by high-pressure oil and is guided to the chip removal room through the rifle drill guide pin bushing, is drawn forth by chip guide groove 33, and chip receiving groove 34 retrieves.
Claims (4)
1. The utility model provides a high-speed accurate fine and deep hole machine tool which characterized in that: comprises an X-axis sliding mechanism, an A-axis slewing mechanism, a Y-axis sliding mechanism, a B-axis slewing mechanism and a W-axis gun drill mechanism (13); an X-axis carriage (1) of the X-axis sliding mechanism is driven by an X-axis lead screw transmission unit (2) to slide linearly along an X-axis guide rail (4) arranged on a lathe bed (3); an A-axis turntable (5) of the A-axis slewing mechanism is arranged above the X-axis carriage, and the output end of the A-axis turntable fixes a workpiece (7) through a chuck clamping jaw (6), so that the workpiece slides linearly along the X axis and is rotated by the A-axis turntable to convert the machining position; a Y-axis guide rail (8) of the Y-axis sliding mechanism, which is arranged on the lathe bed, is vertical to the X-axis guide rail, and a Y-axis carriage (9) of the Y-axis sliding mechanism is driven by a Y-axis lead screw transmission unit (10) to slide linearly along the Y-axis guide rail; a B-axis rotary table (11) of the B-axis rotary mechanism is arranged above a Y-axis carriage, the W-axis gun drill mechanism is arranged on the B-axis rotary table through a base (12), and the W-axis gun drill mechanism slides linearly on the base along a W axis and rotates through the B-axis rotary table to form a rotary machining structure of the W-axis gun drill mechanism.
2. The high-speed precise fine deep hole machining tool according to claim 1, characterized in that: the W-axis gun drill mechanism comprises a spindle seat (14), an electric spindle (15) and a guide arm (16); the section of the base is approximately concave, the upper surfaces of the convex parts at the front side and the rear side of the base are provided with W-axis guide rails (17) for the spindle seat to slide, the concave part in the middle of the base is provided with a W-axis spindle seat driving mechanism, and the electric spindle is driven by the W-axis spindle seat driving mechanism to slide linearly along the W-axis guide rails along with the spindle seat; the front end of the electric spindle is connected with a gun drill (18), the guide arm is approximately L-shaped and comprises a cantilever (19) and a sliding arm (20) which are connected into a whole, the lower end of the cantilever is provided with a chip removal chamber (21) for the gun drill to pass through and collect chips, the front end of the cantilever is provided with a guide sleeve (22) for the gun drill to be in contact with the surface of a workpiece during drilling, the inner diameter of the guide sleeve is slightly larger than the diameter of the gun drill to form clearance fit, a small through hole of a drill bit of the gun drill is communicated with a spindle core hole (23) of the electric spindle, a high-pressure pipe (24) provides high-pressure liquid, and the chips cut by the drill hole are pushed into a V-shaped chip removal straight groove of the gun drill to flow backwards into the chip removal chamber by the high-pressure liquid; the lower side of the sliding arm is slidably mounted on the spindle base through a sliding arm linear guide rail (25), and a cylinder (26) mounted on the spindle base is connected with the lower side of the sliding arm in a jacking mode through a cylinder push rod (27) to form pushing connection of the cylinder to the guide arm.
3. The high-speed precise fine deep hole machining tool according to claim 2, characterized in that: the W-axis spindle seat driving mechanism comprises a motor (28) and a W-axis screw rod (31) supported by a screw rod tailstock (29) and a screw rod headstock (30), and the output end of the motor is in locking connection with the head of the screw rod through a coupler (32).
4. The high-speed precise fine deep hole machining tool according to claim 2 or 3, characterized in that: the chip removal room sets up chip guide groove (33) downwards, the position that the base corresponds the chip guide groove is provided with chip receiving groove (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121618121.4U CN214977941U (en) | 2021-07-15 | 2021-07-15 | High-speed precise fine and deep hole machining machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121618121.4U CN214977941U (en) | 2021-07-15 | 2021-07-15 | High-speed precise fine and deep hole machining machine tool |
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| Publication Number | Publication Date |
|---|---|
| CN214977941U true CN214977941U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121618121.4U Ceased CN214977941U (en) | 2021-07-15 | 2021-07-15 | High-speed precise fine and deep hole machining machine tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN214977941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351913A (en) * | 2021-07-15 | 2021-09-07 | 巨轮智能装备股份有限公司 | High-speed precise fine and deep hole machining machine tool |
-
2021
- 2021-07-15 CN CN202121618121.4U patent/CN214977941U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351913A (en) * | 2021-07-15 | 2021-09-07 | 巨轮智能装备股份有限公司 | High-speed precise fine and deep hole machining machine tool |
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| GR01 | Patent grant | ||
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| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20220824 Decision number of declaring invalidation: 57774 Granted publication date: 20211203 |