CN210059899U - Drill bit concentricity retaining device during deep hole machining - Google Patents
Drill bit concentricity retaining device during deep hole machining Download PDFInfo
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- CN210059899U CN210059899U CN201920807052.8U CN201920807052U CN210059899U CN 210059899 U CN210059899 U CN 210059899U CN 201920807052 U CN201920807052 U CN 201920807052U CN 210059899 U CN210059899 U CN 210059899U
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Abstract
The utility model discloses a drill concentricity retaining device during deep hole processing, which comprises a fixed base, a guide seat, a first nut, a movable seat, a first spring, a second nut, a guide groove, a screw, a motor, a transmission shaft, a concentric guide sleeve, an input hole, a drill, an input joint, a chute, a locking screw, a guide ring, a through hole, a guide hole, a second spring and a chip groove; the utility model has the advantages of reasonable and simple structure; the drill bit of the utility model drills along the guide ring and the center hole at the lower side of the guide hole, thereby ensuring that the drill bit does not jump to influence the concentricity of the hole when drilling, and improving the drilling quality; the utility model discloses well some coolant liquid directly carries the cutting position through input hole and drill bit centre bore and cools off, and the chip of also being convenient for simultaneously is discharged, and another part coolant liquid then spout downwards along the drill bit to guaranteed that the chip can only discharge along the chip groove, also can wholly cool off the drill bit simultaneously, just also improved the life of drill bit.
Description
The technical field is as follows:
the utility model relates to a machining equipment technical field, in particular to drill bit concentricity retaining device during deep hole machining.
Background art:
deep hole machining plays an important role in manufacturing, and in cutting machining, hole machining accounts for about one third of the total machining amount, while deep hole machining accounts for forty percent of the total machining amount. Deep hole processing is one of the most expensive door class of machinery field cost, and in the hole of hole depth and aperture ratio more than or equal to 5, called the deep hole, thereby the present drill bit can produce when drilling the deep hole on the drilling machine and beat and influence the concentricity in hole, chip removal and cooling effect are all relatively poor during drill bit drilling in addition to the life of drill bit and the quality of processing have been influenced.
The utility model has the following contents:
the utility model aims at providing a deep hole adds man-hour drill bit concentricity retention device in order to solve above-mentioned problem, thereby the drill bit can produce the concentricity that beats and influence the hole when having solved current drilling deep hole on the drilling machine, chip removal and cooling effect are all relatively poor during drill bit drilling in addition to the life of drill bit and the problem of the quality of processing have been influenced.
In order to solve the above problem, the utility model provides a technical scheme: the utility model provides a drill bit concentricity retention device during deep hole machining, includes fixed frame, and its innovation point lies in: the device also comprises a guide seat, a first nut, a movable seat, a first spring, a second nut, a guide groove, a screw, a motor, a transmission shaft, a concentric guide sleeve, an input hole, a drill bit, an input joint, a chute, a locking screw, a guide ring, a through hole, a guide hole, a second spring and a chip groove; the left side of the guide seat is fixedly connected to the right side of the fixed base, and a vertical guide groove is formed in the right side of the guide seat; the first nut is vertically and movably connected to the middle lower side of the guide groove, and a central vertical threaded hole of the first nut is movably connected to the screw rod; the movable seat is positioned on the upper side of the nut, the left side of the movable seat is vertically and movably connected in the guide groove, and a left side vertical hole of the movable seat is movably connected on the screw rod; the second nut is positioned on the upper side of the movable seat, the second nut is vertically and movably connected to the middle upper side of the guide groove, a central vertical threaded hole of the first nut is movably connected to the screw rod, and a first spring is arranged between the bottom of the second nut and the top surface of the movable seat; the screw rod is movably connected in the guide groove, and the top end of the screw rod is fixedly connected to the output shaft end of the lower side of the motor; the motor is fixedly connected to the top of the guide seat; the center of the left side of the concentric guide sleeve is fixedly connected to the right end of the movable seat, a guide hole is formed in the concentric guide sleeve, and a plurality of chip grooves are formed in the periphery of the bottom of the concentric guide sleeve; a vertical sliding groove is formed in the right side of the guide hole; the lower side of the transmission shaft is movably connected in the guide hole, the center of the lower side of the transmission shaft is fixedly connected with a drill bit through a locking screw, and an input hole is formed in the lower right side of the transmission shaft; an outlet at the inner side of the input hole is communicated with a central hole of the drill bit, and an inlet at the outer side of the input hole is communicated with the inside of the sliding chute; the input joint is fixedly connected to the right upper side of the concentric guide sleeve, and an outlet on the left side of the input joint is communicated with the inside of the sliding chute; the guide ring is vertically and movably connected in the guide hole, the bulge on the right side of the guide ring is movably connected in the sliding groove, a plurality of vertical through holes are formed in the outer side of the guide ring, a second spring is arranged between the lower side of the guide ring and the bottom surface of the guide hole, and the inner part of the guide ring is movably connected with the outer part of the drill bit.
Preferably, the guide groove is a T-shaped guide groove and matched with the outer parts of the first nut, the movable seat and the second nut.
Preferably, the axis of the drive shaft is aligned with the centerline of the drill bit.
Preferably, the axis of the transmission shaft and the center line of the guide hole are located on the same straight line.
Preferably, the centre of the top of the transmission shaft is provided with a clamping column body.
The utility model has the advantages that:
(1) the utility model has the advantages of reasonable and simple structure, low in production cost, simple to operate, it is multiple functional, move down through concentric guide pin bushing and compress tightly the work piece to the stability and the reliability of work piece drilling have been improved.
(2) The utility model provides a drill bit drills along guide ring and guide hole downside centre bore to can not appear beating when having guaranteed drill bit drilling and influence the concentricity in hole, just also improved the quality of drilling.
(3) The utility model discloses well some coolant liquid directly carries the cutting position through input hole and drill bit centre bore and cools off, and the chip of also being convenient for simultaneously is discharged, and another part coolant liquid then spout downwards along the drill bit to guaranteed that the chip can only discharge along the chip groove, also can wholly cool off the drill bit simultaneously, just also improved the life of drill bit.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial enlarged view of the present invention.
1-fixing the base; 2-a guide seat; 3-a first nut; 4-a movable seat; 5, a first spring; 6-nut two; 7-a guide groove; 8-screw rod; 9-a motor; 10-a transmission shaft; 11-concentric guide sleeves; 12-an input aperture; 13-a drill bit; 14-input connector; 15-a chute; 16-a locking screw; 17-a guide ring; 18-a via hole; 19-a pilot hole; 20-spring two; 21-chip groove.
The specific implementation mode is as follows:
as shown in fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: a drill concentricity retaining device during deep hole processing comprises a fixed base 1, a guide seat 2, a nut I3, a movable seat 4, a spring I5, a nut II 6, a guide groove 7, a screw 8, a motor 9, a transmission shaft 10, a concentric guide sleeve 11, an input hole 12, a drill 13, an input joint 14, a sliding groove 15, a locking screw 16, a guide ring 17, a through hole 18, a guide hole 19, a spring II 20 and a chip groove 21; the left side of the guide seat 2 is fixedly connected to the right side of the fixed base 1, and a vertical guide groove 7 is formed in the right side of the guide seat 2; the first nut 3 is vertically and movably connected to the middle lower side of the guide groove 7, and a central vertical threaded hole of the first nut 3 is movably connected to the screw rod 8; the movable seat 4 is positioned on the upper side of the first nut 3, the left side of the movable seat 4 is vertically and movably connected in the guide groove 7, and a left vertical hole of the movable seat 4 is movably connected to the screw 8; the second nut 6 is positioned on the upper side of the movable seat 4, the second nut 6 is vertically and movably connected to the middle upper side of the guide groove 7, a vertical threaded hole in the center of the first nut 3 is movably connected to a screw 8, and a first spring 5 is arranged between the bottom of the second nut 6 and the top surface of the movable seat 4; the screw 8 is movably connected in the guide groove 7, and the top end of the screw 8 is fixedly connected to the output shaft end at the lower side of the motor 9; the motor 9 is fixedly connected to the top of the guide seat 2; the center of the left side of the concentric guide sleeve 11 is fixedly connected to the right end of the movable seat 4, a guide hole 19 is formed in the concentric guide sleeve 11, and a plurality of chip grooves 21 are formed in the periphery of the bottom of the concentric guide sleeve 11; a vertical sliding groove 15 is formed in the right side of the guide hole 19; the lower side of the transmission shaft 10 is movably connected in a guide hole 19, the center of the lower side of the transmission shaft 10 is fixedly connected with a drill bit 13 through a locking screw 16, and an input hole 12 is arranged in the lower right side of the transmission shaft 10; the outlet at the inner side of the input hole 12 is communicated with the central hole of the drill bit 13, and the inlet at the outer side of the input hole 12 is communicated with the inside of the sliding chute 15; the input joint 14 is fixedly connected to the right upper side of the concentric guide sleeve 11, and an outlet at the left side of the input joint 14 is communicated with the inside of the sliding groove 15; the guide ring 17 is vertically and movably connected into a guide hole 19, a protrusion on the right side of the guide ring 17 is movably connected into the sliding groove 15, a plurality of vertical through holes 18 are formed in the outer side of the guide ring 17, a second spring 20 is arranged between the lower side of the guide ring 17 and the bottom surface of the guide hole 19, and the inner portion of the guide ring 17 is movably connected with the outer portion of the drill bit 13.
The guide groove 7 is a T-shaped guide groove and is matched with the outer parts of the first nut 3, the movable seat 4 and the second nut 6; the axis of the transmission shaft 10 and the central line of the drill bit 13 are positioned on the same straight line; the axis of the transmission shaft 10 and the central line of the guide hole 19 are positioned on the same straight line; the centre of the top of the transmission shaft 10 is provided with a clamping column body.
The utility model discloses a user state does: the utility model has the advantages of reasonable and simple structure, low production cost, convenient installation, multiple functions, when in use, firstly, a workpiece is placed on the lower side of the concentric guide sleeve 11, the center of a hole to be drilled is positioned on the central line of the drill bit 13, then the motor 9 is started to drive the screw rod 8 to rotate, the nut I3 and the nut II 6 are moved downwards together by the rotation of the screw rod 8, the movable seat 4 is moved downwards by the nut II 6 through the spring I5, the concentric guide sleeve 11 is driven to move downwards to compress the workpiece by the downward movement of the movable seat 4, thereby improving the stability and the reliability of workpiece drilling, then the chuck of the drilling machine is clamped with the clamping cylinder on the upper side of the transmission shaft 10, thereby the main shaft of the drilling machine drives the transmission shaft 10 and the drill bit 13 to rotate to drill, the drill bit 13 drills along the guide ring 17 and the center hole on the lower side of the guide hole 19, thereby ensuring that the drill bit 13, the quality of the drilled hole is improved, in addition, the cooling pipeline is connected to the input connector 14, so that cooling liquid can be conveyed into the sliding groove 15 and the guide hole 19, then, a part of cooling liquid is directly conveyed to a cutting part through the input hole 12 and the central hole of the drill bit 13 for cooling, the chips are convenient to discharge, the other part of cooling liquid is sprayed downwards along the drill bit 13, the chips are guaranteed to be discharged only along the chip discharge groove 21, meanwhile, the whole drill bit 13 can be cooled, and the service life of the drill bit 13 is prolonged.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, which are only illustrative, but also various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides a drill bit concentricity retention device during deep hole machining, includes fixed frame (1), its characterized in that: the device is characterized by also comprising a guide seat (2), a first nut (3), a movable seat (4), a first spring (5), a second nut (6), a guide groove (7), a screw (8), a motor (9), a transmission shaft (10), a concentric guide sleeve (11), an input hole (12), a drill bit (13), an input joint (14), a sliding groove (15), a locking screw (16), a guide ring (17), a through hole (18), a guide hole (19), a second spring (20) and a chip groove (21);
the left side of the guide seat (2) is fixedly connected to the right side of the fixed base (1), and a vertical guide groove (7) is formed in the right side of the guide seat (2);
the first nut (3) is vertically and movably connected to the middle lower side of the guide groove (7), and a central vertical threaded hole of the first nut (3) is movably connected to the screw rod (8);
the movable seat (4) is positioned on the upper side of the first nut (3), the left side of the movable seat (4) is vertically and movably connected into the guide groove (7), and a left side vertical hole of the movable seat (4) is movably connected onto the screw rod (8);
the second nut (6) is positioned on the upper side of the movable seat (4), the second nut (6) is vertically and movably connected to the middle upper side of the guide groove (7), a central vertical threaded hole of the first nut (3) is movably connected to the screw rod (8), and a first spring (5) is arranged between the bottom of the second nut (6) and the top surface of the movable seat (4);
the screw (8) is movably connected in the guide groove (7), and the top end of the screw (8) is fixedly connected to the output shaft end at the lower side of the motor (9);
the motor (9) is fixedly connected to the top of the guide seat (2);
the center of the left side of the concentric guide sleeve (11) is fixedly connected to the right end of the movable seat (4), a guide hole (19) is formed in the concentric guide sleeve (11), and a plurality of chip grooves (21) are formed in the periphery of the bottom of the concentric guide sleeve (11);
a vertical sliding groove (15) is arranged in the right side of the guide hole (19);
the lower side of the transmission shaft (10) is movably connected in the guide hole (19), the center of the lower side of the transmission shaft (10) is fixedly connected with a drill bit (13) through a locking screw (16), and an input hole (12) is formed in the right lower side of the transmission shaft (10);
an outlet at the inner side of the input hole (12) is communicated with a central hole of the drill bit (13), and an inlet at the outer side of the input hole (12) is communicated with the inside of the sliding chute (15);
the input joint (14) is fixedly connected to the right upper side of the concentric guide sleeve (11), and an outlet at the left side of the input joint (14) is communicated with the inside of the sliding groove (15);
the drill bit is characterized in that the guide ring (17) is vertically movably connected into the guide hole (19), the right side of the guide ring (17) is convexly and movably connected into the sliding groove (15), a plurality of vertical through holes (18) are formed in the outer side of the guide ring (17), a second spring (20) is arranged between the lower side of the guide ring (17) and the bottom surface of the guide hole (19), and the inner part of the guide ring (17) is movably connected with the outer part of the drill bit (13).
2. The drill concentricity retaining device for deep hole drilling according to claim 1, wherein: the guide groove (7) is a T-shaped guide groove and is matched with the outer parts of the first nut (3), the movable seat (4) and the second nut (6).
3. The drill concentricity retaining device for deep hole drilling according to claim 1, wherein: the axis of the transmission shaft (10) and the central line of the drill bit (13) are positioned on the same straight line.
4. The drill concentricity retaining device for deep hole drilling according to claim 1, wherein: the axis of the transmission shaft (10) and the center line of the guide hole (19) are positioned on the same straight line.
5. The drill concentricity retaining device for deep hole drilling according to claim 1, wherein: the center of the top of the transmission shaft (10) is provided with a clamping cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920807052.8U CN210059899U (en) | 2019-05-31 | 2019-05-31 | Drill bit concentricity retaining device during deep hole machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920807052.8U CN210059899U (en) | 2019-05-31 | 2019-05-31 | Drill bit concentricity retaining device during deep hole machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210059899U true CN210059899U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920807052.8U Active CN210059899U (en) | 2019-05-31 | 2019-05-31 | Drill bit concentricity retaining device during deep hole machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210059899U (en) |
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2019
- 2019-05-31 CN CN201920807052.8U patent/CN210059899U/en active Active
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