CN114260755A - Synchronous cooling device for inner hole machining - Google Patents
Synchronous cooling device for inner hole machining Download PDFInfo
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- CN114260755A CN114260755A CN202111674824.3A CN202111674824A CN114260755A CN 114260755 A CN114260755 A CN 114260755A CN 202111674824 A CN202111674824 A CN 202111674824A CN 114260755 A CN114260755 A CN 114260755A
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- cooling
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention discloses a synchronous cooling device for inner hole machining, belongs to the field of machining, and solves the problems of poor directivity and low cooling efficiency of a cooling area of an existing cooling mechanism. Clamping device is connected with the headstock, the spindle motor is equipped with at the headstock rear, spindle motor drives clamping device rotatory through the inside main shaft transmission of headstock, the bottom plate is equipped with to the headstock top, electric actuator and bearing frame are equipped with to the bottom plate top, the guiding axle passes through the bearing frame to be fixed and is connected with the connecting plate, the pull rod is connected with the connecting plate, cooling nozzle is connected with the pull rod, electric actuator's reciprocal linear motion drives cooling nozzle and carries out axial motion in the hollow inside of main shaft, realize that cooling shower nozzle position and hole processing position keep unanimous constantly. The cooling liquid is led into cooling shower nozzle through the inside hollow structure of pull rod, and cooling shower nozzle axial hole for water spray plugs, and circumference sets up a plurality of hole for water spray, spouts in real time to the processing position, promotes the cooling effect.
Description
Technical Field
The invention belongs to the technical field of machining, and relates to a cooling device, in particular to a real-time synchronous cooling device for hole machining.
Background
Metal material is often used in the machining field, often dig the hole in the actual production to metal material and handle, the metal hole adds man-hour and can produce a large amount of heats, the cooling scheme that processing was commonly used at present is cooling shower nozzle and main shaft relatively fixed, cooling shower nozzle can not carry out axial displacement in hollow main shaft, when the tool bit removed, cooling shower nozzle blowout coolant liquid can not direct action in the contact point of work piece and cutter, the coolant liquid scatters in the work piece and flows to the processing point, leads to the cooling effect not good.
Disclosure of Invention
The invention aims to provide a synchronous cooling device for inner hole machining, which has extremely high cooling efficiency and aims to solve the problem of poor cooling effect of inner hole machining rate in the prior art.
The technical solution for realizing the purpose of the invention is as follows: an inner hole processing synchronous cooling device is arranged on a main shaft box, the main shaft is a main shaft which drives a workpiece to be processed fixed by a clamping device to rotate, and the device comprises a synchronous mechanism, a cooling mechanism and a connecting mechanism;
the cooling mechanism is used for circulating cooling liquid, conveying the cooling liquid to a specified point and cooling the machined part;
the synchronous mechanism is used for controlling the motion trail of the cooling mechanism, providing power for the motion of the cooling mechanism and ensuring that the cooling mechanism moves along with the movement of a part machining point;
the connecting mechanism is used for connecting the synchronizing mechanism and the cooling mechanism, the connecting mechanism transmits the motion of the synchronizing mechanism to the cooling mechanism, the cooling position of the cooling mechanism is ensured to be consistent with the part machining position, and synchronous cooling is realized.
Further, the connection mechanism includes a connection plate.
The synchronous mechanism comprises a bottom plate, a motor, a linear bearing, a bearing seat, a guide shaft, an electric actuator and a push rod;
the bottom plate is arranged on the spindle box, the motor and the electric actuator are arranged on the bottom plate, one end of the electric actuator is connected with the motor, the other end of the electric actuator is provided with a push rod, and the other end of the push rod is fixedly connected with the connecting plate; two pairs of bearing seats are arranged on the bottom plate and located on two sides of the motor, a linear bearing is arranged on each bearing seat, a guide shaft is arranged on an inner ring of each linear bearing, and the two guide shafts are arranged in parallel and are both fixedly connected with the connecting plate.
Further, the cooling mechanism comprises a pipe joint, a pull rod, a nozzle and a sliding sleeve; the cooling mechanism penetrates through a main shaft of a hollow structure which drives a workpiece to be processed fixed by the clamping device to rotate;
the pull rod, the nozzle and the sliding sleeve are all hollow structures; one end of the pull rod is fixedly connected to the connecting plate, the other end of the pull rod is connected with the fixed sliding sleeve, the other end of the sliding sleeve is connected with the fixed nozzle, and the pull rod and the sliding sleeve are sealed through the sealing ring; the pipe joint is communicated with the pull rod through the connecting plate; the cooling liquid enters from the pipe joint and is sprayed out from the liquid spraying port after passing through the hollow channels of the pull rod, the sliding sleeve and the nozzle; the nozzle is driven by the synchronizing mechanism to move along the axial direction, so that the liquid spraying port and the grinding position are the same in the axial position, and the nozzle is suitable for grinding at different axial positions.
Furthermore, the outer diameter of the sliding sleeve is provided with a steel column lining which is a hollow cylinder with an excavated hole and is combined with the ball, and the outer diameter of the steel column lining is provided with a lining which is fixedly connected with the main shaft; when the sliding sleeve moves along the axial direction of the pull rod, the ball rolls on the lining and the sliding sleeve, and the friction between the lining and the sliding sleeve is rolling friction.
Furthermore, a sealing sleeve is arranged at one end of the bushing to seal a gap between the bushing and the sliding sleeve; and an O-shaped ring is arranged between the bushing and the main shaft for sealing.
Furthermore, an oil seal is arranged between the seal sleeve and the nozzle.
Furthermore, one end of the nozzle is provided with a plurality of liquid spraying ports along the circumferential direction.
Furthermore, the cooling mechanism also comprises a plug for plugging the axial liquid spraying opening of the nozzle.
Furthermore, the cooling mechanism also comprises a pressing plate, and the pull rod and the connecting plate are fixed through the pressing plate.
Compared with the prior art, the invention has the following remarkable advantages:
1) during the use, coolant liquid passes through the coupling and gets into, and coolant liquid gets into the nozzle through the runner and passes through the hole for water spraying blowout to the grinding position, makes the grinding position obtain multi-angle and abundant cooling all the time, effectively improves cooling efficiency and effect.
2) The nozzle can follow the tool bit grinding and remove along the axial, guarantees that the water jet is the same on axial position with the grinding position, makes direct accurate contact of coolant liquid and grinding position, improves the cooling effect, adapts to the grinding of different axial positions.
3) The nozzle liquid outlet is provided with a plurality of hydrojet holes along circumference, guarantees that hydrojet mouth is the same on the angle with the grinding position in circumference, makes coolant liquid and the direct accurate contact of grinding position, improves the cooling effect, adapts to the grinding of different circumference positions.
The present invention is described in further detail below with reference to the attached drawing figures.
Drawings
FIG. 1 is a schematic structural view of a synchronous cooling device for machining an inner hole in one embodiment.
FIG. 2 is a schematic structural view of a part of a synchronous cooling device for machining an inner hole in one embodiment.
FIG. 3 is a sectional view of the structure of the inner hole machining synchronous cooling device in one embodiment.
FIG. 4 is an enlarged partial view of one embodiment.
FIG. 5 is a view of a nozzle part in one embodiment.
The following drawings: 1, a bottom plate; 2, a motor; 3, a linear bearing; 4, a bearing seat; 5, a guide shaft; 6, connecting the plates; 7, a push rod; 8, pipe joints; 9, pressing a plate; 10, a pull rod; 11, a plug; 12, a nozzle; 13, a sliding sleeve; 14, an electric actuator; 16, an end cap; 17, oil sealing II; 18, a spindle motor; 19 a bushing; 20, a pin; 21, an O-shaped ring; 22, oil sealing I; 23, sealing a sleeve; 24, a main shaft; 25, a main spindle box; 26, spacer bushes; 27, steel column liner; and 28, a cone end fastening screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In one embodiment, a synchronous bore-machining cooling device is provided and is mounted on a spindle head 26, which is a spindle 24 that rotates a workpiece to be machined held by a holding device. With reference to fig. 1 to 4, the device comprises a connecting plate 6, a bottom plate 1, a motor 2, a linear bearing 3, a bearing seat 4, a guide shaft 5, an electric actuator 14, a push rod 7, a pipe joint 8, a pull rod 10, a nozzle 12 and a sliding sleeve 13; the pull rod 10, the nozzle 12 and the sliding sleeve 13 penetrate through a main shaft 24 of a hollow structure which drives a workpiece to be processed fixed by the clamping device to rotate.
The motor 2 and the electric actuator 14 are arranged on the bottom plate 1, one end of the electric actuator 14 is connected with the motor 2, the other end of the electric actuator 14 is provided with a push rod 7, and the other end of the push rod 7 is fixedly connected with the connecting plate 6; two pairs of bearing blocks 4 are arranged on the bottom plate 1 and located on two sides of the motor 2, a linear bearing 3 is arranged on each bearing block 4, a guide shaft 5 is arranged on the inner ring of each linear bearing 3, and the two guide shafts 5 are arranged in parallel and are fixedly connected with a connecting plate 6.
The pull rod 10, the nozzle 12 and the sliding sleeve 13 are all hollow structures; one end of the pull rod 10 is fixedly connected to the connecting plate 6, the other end of the pull rod is connected with a fixed sliding sleeve 13, the other end of the sliding sleeve 13 is connected with a fixed nozzle 12, and the pull rod 10 and the sliding sleeve 13 are sealed through a sealing ring; the pipe joint 8 is communicated with the pull rod 10 through the connecting plate 6; cooling liquid enters from the pipe joint 8 and is sprayed out from a liquid spraying port after passing through hollow channels of the pull rod 10, the sliding sleeve 13 and the nozzle 12; the nozzle 12 is driven by the synchronizing mechanism to move along the axial direction, so that the liquid spraying port and the grinding position are same in the axial position, and the device is suitable for grinding at different axial positions.
Preferably, the connecting plate 6 is a T-shaped structure, the two guide shafts 5 are fixedly connected with the upper end of the T-shaped structure, the push rod 7 is fixedly connected with the middle part of the T-shaped structure, and the pull rod 10 and the pipe joint 8 are fixedly connected with the lower end of the T-shaped structure.
Preferably, the tie rod 10 is fixed to the sliding sleeve 13 by three circumferential conical-end set screws 28.
Preferably, the sliding sleeve 13 is connected with the nozzle 12 through threads, the sliding sleeve 13 is provided with internal threads, and the nozzle 12 is provided with external threads.
Preferably, the push rod 7 is in threaded connection with the connecting plate 6, and the pipe joint 8 is in threaded connection with the connecting plate 6.
Here, the pull rod 10 and the sliding sleeve 13 are preferably fixed by a pin 20.
Further, in one embodiment, the outer diameter of the sliding sleeve 13 is provided with a steel column bushing 27, the steel column bushing 27 is configured as a hollow cylinder of a hole and is combined with a ball, the outer diameter of the steel column bushing 27 is provided with a bushing 19, and the bushing 19 is fixedly connected with the main shaft 24; when the sliding sleeve 13 moves axially along the pull rod 10, the balls roll on the bush 19 and the sliding sleeve 13, and the friction between the bush 19 and the sliding sleeve 13 is rolling friction.
Further, in one of the embodiments, in order to prevent the cooling liquid and dust from entering the gap between the sliding sleeve and the bushing, a sealing sleeve 23 is arranged at one end of the bushing 19 to seal the gap between the bushing 19 and the sliding sleeve 13; an O-ring 21 is arranged between the bushing 19 and the main shaft 24 for sealing.
Further, in one embodiment, an oil seal 22 is provided between the sealing sleeve 23 and the nozzle 12, and two oil seals 17 are provided between the pull rod 10 and the end cap 16 of the main spindle box 26.
Further, in one embodiment, referring to fig. 5, one end of the nozzle 12 is provided with a plurality of liquid spraying ports along the circumferential direction, so that the liquid spraying ports and the grinding position are ensured to be identical in circumferential angle, and the cooling liquid is in direct and accurate contact with the grinding position, thereby being suitable for grinding at different circumferential positions.
Further, in one embodiment, the cooling mechanism further includes a plug 11 for blocking the axial liquid spraying port of the nozzle 12.
Further, in one embodiment, the cooling mechanism further comprises a pressing plate 9, and the pull rod 10 and the connecting plate 6 are fixed through the pressing plate 9.
As another scheme, in the synchronous cooling device for inner hole machining, the motor may be replaced with a hydraulic system, the electric actuator and the push rod may be replaced with a single-piston double-acting hydraulic cylinder, a cylinder body of the single-piston double-acting hydraulic cylinder is connected with the hydraulic system, a piston of the single-piston double-acting hydraulic cylinder is connected with the connecting plate, and a lower portion of the single-piston double-acting hydraulic cylinder is connected with the bottom plate.
The device of the invention is used as follows: the nozzle of the nozzle 12 and the processed position are in the same axial line position, when the processing is started, cooling liquid enters through the pipe joint 8, passes through the pull rod 10, the sliding sleeve 13 and the hollow channel of the nozzle 12, reaches a liquid spraying hole and is sprayed out, when the processing is performed leftwards, the spindle motor 18 drives a workpiece fixed by the clamping device to rotate through the transmission of the spindle 24, a tool bit moves leftwards and axially in an inner hole of the workpiece to process, at the moment, the motor 2 works, the electric actuator 14 pushes the push rod 7 out, the pull rod 10, the sliding sleeve 13 and the nozzle 12 are driven to move leftwards integrally through the connecting plate 6, and the moving speed of the push rod 7 is the same as the moving speed of the tool bit; when the workpiece is machined rightwards, the spindle motor 18 drives the workpiece fixed by the clamping device to rotate through the transmission of the spindle 24, the cutter head moves rightwards and axially in an inner hole of the workpiece to be machined, at the moment, the motor 2 works, the electric actuator 14 pushes out the push rod 7, the pull rod 10, the sliding sleeve 13 and the nozzle 12 are driven to move rightwards integrally through the connecting plate 6, and the moving speed of the push rod 7 is the same as that of the cutter head. Therefore, the cooling water is directly and accurately contacted with the grinding position, the cooling effect is improved, and the grinding machine can adapt to grinding at different positions. The liquid outlet of the nozzle 12 is provided with a plurality of liquid spraying holes along the circumferential direction, so that the liquid spraying holes are identical to the grinding positions in the circumferential direction, and the cooling liquid is in direct and accurate contact with the grinding positions to adapt to grinding of different circumferential positions.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. A synchronous cooling device for inner hole machining is characterized by comprising a synchronous mechanism, a cooling mechanism and a connecting mechanism;
the cooling mechanism is used for circulating cooling liquid, conveying the cooling liquid to a specified point and cooling the machined part;
the synchronous mechanism is used for controlling the motion trail of the cooling mechanism, providing power for the motion of the cooling mechanism and ensuring that the cooling mechanism moves along with the movement of a part machining point;
the connecting mechanism is used for connecting the synchronizing mechanism and the cooling mechanism, the connecting mechanism transmits the motion of the synchronizing mechanism to the cooling mechanism, the cooling position of the cooling mechanism is ensured to be consistent with the part machining position, and synchronous cooling is realized.
2. The bore-machining synchronous cooling device as claimed in claim 1, characterized in that the connecting mechanism comprises a connecting plate (6).
3. The inner hole machining synchronous cooling device as claimed in claim 1 or 2, wherein the synchronous mechanism comprises a bottom plate (1), a motor (2), a linear bearing (3), a bearing seat (4), a guide shaft (5), an electric actuator (14) and a push rod (7);
the motor (2) and the electric actuator (14) are arranged on the bottom plate (1), one end of the electric actuator (14) is connected with the motor (2), the other end of the electric actuator is provided with a push rod (7), and the other end of the push rod (7) is fixedly connected with the connecting plate (6); two pairs of bearing blocks (4) are arranged on the two sides of the motor (2) on the base plate (1), a linear bearing (3) is arranged on each bearing block (4), a guide shaft (5) is arranged on the inner ring of each linear bearing (3), and the two guide shafts (5) are arranged in parallel and are fixedly connected with the connecting plate (6).
4. The inner bore machining synchronous cooling device as claimed in claim 3, wherein the cooling mechanism comprises a pipe joint (8), a pull rod (10), a nozzle (12) and a sliding sleeve (13); the cooling mechanism penetrates through a main shaft (24) of a hollow structure which drives a workpiece to be processed fixed by the clamping device to rotate;
the pull rod (10), the nozzle (12) and the sliding sleeve (13) are all hollow structures; one end of the pull rod (10) is fixedly connected to the connecting plate (6), the other end of the pull rod is fixedly connected to the sliding sleeve (13), the other end of the sliding sleeve (13) is fixedly connected to the nozzle (12), and the pull rod (10) and the sliding sleeve (13) are sealed through a sealing ring; the pipe joint (8) is communicated with the pull rod (10) through the connecting plate (6); cooling liquid enters from the pipe joint (8) and is sprayed out from the liquid spraying port after passing through the hollow channels of the pull rod (10), the sliding sleeve (13) and the nozzle (12); the nozzle (12) is driven by the synchronous mechanism to move along the axial direction, so that the liquid spraying port and the grinding position are same in the axial position, and the device is suitable for grinding at different axial positions.
5. The inner bore processing synchronous cooling device as claimed in claim 4, characterized in that the outer diameter of the sliding sleeve (13) is provided with a steel column bushing (27), the steel column bushing (27) is in a structure that a hollow cylinder of a dug hole is combined with a ball, the outer diameter of the steel column bushing (27) is provided with a bushing (19), and the bushing (19) is fixedly connected with the main shaft (24); when the sliding sleeve (13) moves along the axial direction of the pull rod (10), the balls roll on the bush (19) and the sliding sleeve (13), and the friction between the bush (19) and the sliding sleeve (13) is rolling friction.
6. The inner bore machining synchronous cooling device is characterized in that one end of the bushing (19) is provided with a sealing sleeve (23) to seal a gap between the bushing (19) and the sliding sleeve (13); an O-shaped ring (21) is arranged between the bushing (19) and the main shaft (24) for sealing.
7. A synchronous cooling device for inner bore machining according to claim 6, characterized in that an oil seal (22) is arranged between the sealing sleeve (23) and the nozzle (12).
8. The inner bore machining synchronous cooling device as claimed in claim 4, characterized in that one end of the nozzle (12) is provided with a plurality of liquid spraying ports along the circumferential direction.
9. The inner bore machining synchronous cooling device as claimed in claim 8, wherein the cooling mechanism further comprises a plug (11) for blocking an axial liquid spraying port of the nozzle (12).
10. The inner bore machining synchronous cooling device is characterized in that the cooling mechanism further comprises a pressing plate (9), and the pull rod (10) and the connecting plate (6) are fixed through the pressing plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111674824.3A CN114260755B (en) | 2021-12-31 | 2021-12-31 | Synchronous cooling device for inner hole machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111674824.3A CN114260755B (en) | 2021-12-31 | 2021-12-31 | Synchronous cooling device for inner hole machining |
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| CN114260755A true CN114260755A (en) | 2022-04-01 |
| CN114260755B CN114260755B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111674824.3A Active CN114260755B (en) | 2021-12-31 | 2021-12-31 | Synchronous cooling device for inner hole machining |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3602094A (en) * | 1967-09-22 | 1971-08-31 | Roger Bardiau | Horizontal milling machine |
| CN1145840A (en) * | 1995-09-14 | 1997-03-26 | 邵文远 | Integrated machining center |
| CN2678821Y (en) * | 2003-07-08 | 2005-02-16 | 横店集团东磁股份有限公司 | Special grinder for grinding hole of deflection magnetic ring |
| CN109352419A (en) * | 2018-12-13 | 2019-02-19 | 长沙新麓机床制造有限公司 | A kind of milling machine |
| CN210160818U (en) * | 2019-06-06 | 2020-03-20 | 佛山市锐石精密机械有限公司 | Numerical control lathe cutting cleaning device |
| CN112024913A (en) * | 2020-10-16 | 2020-12-04 | 台州市神鹰机床有限公司 | Multifunctional telescopic servo water truck electric spindle |
| CN112264810A (en) * | 2020-11-05 | 2021-01-26 | 台州市神鹰机床有限公司 | Multifunctional guide rod telescopic servo waterwheel spindle |
-
2021
- 2021-12-31 CN CN202111674824.3A patent/CN114260755B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3602094A (en) * | 1967-09-22 | 1971-08-31 | Roger Bardiau | Horizontal milling machine |
| CN1145840A (en) * | 1995-09-14 | 1997-03-26 | 邵文远 | Integrated machining center |
| CN2678821Y (en) * | 2003-07-08 | 2005-02-16 | 横店集团东磁股份有限公司 | Special grinder for grinding hole of deflection magnetic ring |
| CN109352419A (en) * | 2018-12-13 | 2019-02-19 | 长沙新麓机床制造有限公司 | A kind of milling machine |
| CN210160818U (en) * | 2019-06-06 | 2020-03-20 | 佛山市锐石精密机械有限公司 | Numerical control lathe cutting cleaning device |
| CN112024913A (en) * | 2020-10-16 | 2020-12-04 | 台州市神鹰机床有限公司 | Multifunctional telescopic servo water truck electric spindle |
| CN112264810A (en) * | 2020-11-05 | 2021-01-26 | 台州市神鹰机床有限公司 | Multifunctional guide rod telescopic servo waterwheel spindle |
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