CN113681294A - Piston boring and skirt bottom milling combined machine tool and process - Google Patents
Piston boring and skirt bottom milling combined machine tool and process Download PDFInfo
- Publication number
- CN113681294A CN113681294A CN202111023537.6A CN202111023537A CN113681294A CN 113681294 A CN113681294 A CN 113681294A CN 202111023537 A CN202111023537 A CN 202111023537A CN 113681294 A CN113681294 A CN 113681294A
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- Prior art keywords
- piston
- boring
- milling
- skirt bottom
- machine tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
Abstract
The invention discloses a piston boring, skirt bottom milling and combined machine tool and a process, which belong to the technical field of piston processing, and have the technical scheme that: the boring machine comprises a piston positioning tool, a face milling mechanism and a boring mechanism, wherein the face milling mechanism is arranged above the piston positioning tool and can move along a Z axis; boring mechanisms are symmetrically arranged on two sides of the piston positioning tool, and a workbench coordinate mechanism capable of enabling the boring mechanisms to move along an X axis is arranged at the bottoms of the two boring mechanisms, so that pin holes on two sides of a piston can be machined simultaneously. The piston is clamped once through the piston positioning tool, so that pin holes on two sides are machined simultaneously; and the milling of the piston skirt bottom can be realized, and the processing quality and the processing efficiency are improved.
Description
Technical Field
The invention relates to the technical field of piston machining, in particular to a piston boring and skirt bottom milling combined machine tool and a process.
Background
The pin hole part of the piston is a high-frequency area of piston failure, and the processing quality and the reliability of the pin hole of the piston relate to the performance of the whole engine. Under the existing technical conditions, the machining method of the steel piston pin hole generally comprises the following steps: firstly, a steel piston skirt bottom is machined by a common milling machine so as to obtain a machining reference surface, and then, a common numerical control boring machine is used for boring by adopting manual feeding and matching with a tool clamp. The problems of low efficiency, low processing precision and the like exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a piston boring and skirt bottom milling combined machine tool and a process, wherein a piston is clamped at one time through a piston positioning tool, so that pin holes on two sides are simultaneously machined; and the milling of the piston skirt bottom can be realized, and the processing quality and the processing efficiency are improved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the embodiment of the invention provides a piston boring and skirt bottom milling combined machine tool, which comprises a piston positioning tool, a surface milling mechanism and a boring mechanism, wherein the surface milling mechanism is arranged above the piston positioning tool and can move along a Z axis;
boring mechanisms are symmetrically arranged on two sides of the piston positioning tool, and a workbench coordinate mechanism capable of enabling the boring mechanisms to move along an X axis is arranged at the bottoms of the two boring mechanisms, so that pin holes on two sides of a piston can be machined simultaneously.
As a further implementation mode, the piston positioning tool is arranged on the Y-axis moving mechanism.
As a further implementation mode, the piston positioning tool comprises a pad and a plurality of clamping jaws which are uniformly distributed along the circumferential direction of the pad, and positioning grooves are formed in the surfaces of the clamping jaws.
As a further implementation manner, the clamping jaws are connected with a hydraulic cylinder, and the hydraulic cylinder can drive the clamping jaws to move towards the direction close to or away from each other.
As a further implementation mode, the piston positioning tool, the face milling mechanism and the hole boring mechanism are arranged in a protective cover, and the protective cover is provided with a movable door.
As a further implementation manner, the protective cover further comprises a waste conveying unit, wherein the waste conveying unit comprises a conveying mechanism and a waste car, and the conveying mechanism is used for conveying waste from the interior of the protective cover to the waste car on the outer side of the protective cover.
As a further implementation mode, a manipulator is arranged on the outer side of the protective cover and used for clamping the piston; the manipulator comprises a mechanical arm and a clamp detachably connected to the tail end of the mechanical arm.
In a second aspect, an embodiment of the present invention further provides a process for machining a piston by a piston boring and skirt bottom milling combined machine tool, including:
the piston to be processed is placed on a piston positioning tool by a manipulator, and the piston to be processed is positioned and clamped by the piston positioning tool;
the position of the piston positioning tool is adjusted through the Y-axis moving mechanism, so that the piston is radially aligned with the two boring mechanisms;
the workbench moving mechanism simultaneously moves the boring mechanisms to a machining station along the X axis, starts the two boring mechanisms and simultaneously machines pin holes on two sides of the piston;
after boring, the workbench moving mechanism moves in the opposite direction to enable the boring mechanism to exit from the pin hole;
and starting the surface milling mechanism, and moving the workbench moving mechanism to the surface milling mechanism along the Y direction to finish the milling of the piston skirt bottom.
As a further implementation, during the piston machining process, the waste conveying unit and the internal mechanism of the protective cover are simultaneously started to output the waste.
As a further implementation manner, after the milling is completed, the workbench moving mechanism returns to the original point along the Y direction, and the machined piston is taken out by the manipulator.
The invention has the following beneficial effects:
(1) the piston positioning tool is provided with the positioning groove, so that the piston can be accurately positioned; the piston is axially provided with the face milling mechanism, and the two boring hole mechanisms are radially arranged, so that the boring and skirt bottom milling operations of the piston are realized through one-time clamping, and the processing efficiency is improved.
(2) The two boring hole mechanisms simultaneously move along the X axis under the action of the workbench moving mechanism so as to realize the simultaneous processing of pin holes on two sides of the piston.
(3) The piston positioning tool disclosed by the invention adjusts the displacement of the Y axis through the Y axis moving mechanism; therefore, the piston is accurately centered with the face milling mechanism and the boring mechanism, and the machining quality is ensured.
(4) The waste conveying unit is arranged, and the waste conveying unit and the equipment are started simultaneously, so that waste generated during the processing and running of the equipment can be effectively conveyed out in time, and the waste is prevented from being accumulated in a large amount.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic overall structure diagram of the present invention according to one or more embodiments;
FIG. 2 is a front view of the present invention in accordance with one or more embodiments;
FIG. 3 is a side view of the present disclosure according to one or more embodiments;
FIG. 4 is a schematic illustration of a piston positioning tool according to one or more embodiments of the present disclosure;
FIG. 5 is a schematic diagram of a robot configuration according to one or more embodiments of the present disclosure;
the device comprises a mechanical arm 1, a mechanical arm 2, a working space 3, a piston positioning tool 4, a protective cover 5, a waste conveying unit 6, a numerical control operation unit 7, a mechanical arm 8, a clamp 9-1, a first workbench coordinate mechanism 9-2, a second workbench coordinate mechanism 10-1, a first boring mechanism 10-2, a second boring mechanism 11, a face milling mechanism 12, a Y-axis moving mechanism 13, a clamping jaw 14, a piston 15, a positioning groove 16 and a cushion seat.
Detailed Description
The first embodiment is as follows:
the embodiment provides a piston boring and skirt bottom milling combined machine tool, as shown in fig. 1, the piston boring and skirt bottom milling combined machine tool comprises a protective cover 4, a piston positioning tool 3, a surface milling mechanism 11, a boring mechanism and a manipulator 1, wherein the piston positioning tool 3, the surface milling mechanism 11 and the boring mechanism are arranged in the protective cover 4, and the manipulator 1 is located on the outer side of the protective cover 4.
Further, the protective cover 4 is provided with a movable door, and the manipulator 1 can realize the loading and unloading of the piston by opening the movable door. The protection casing 4 of this embodiment is made by the panel beating, can play the guard action to the lathe, and avoids machining man-hour, causes the injury to the personnel. The numerical control operation unit 6 is arranged on the outer side of the protective cover 4, and the numerical control operation unit 6 consists of a display screen and operation buttons and can realize man-machine conversation.
The robot 1 includes a robot arm 7 and a gripper 8 detachably attached to an end of the robot arm 7. Different grades of jaws 8 are provided for different weight grades and diameter grades of piston 14.
Further, as shown in fig. 2 and 3, the piston positioning tool 3 is fixed on the upper surface of the Y-axis moving mechanism 12, and under the action of the Y-axis moving mechanism 12, the piston positioning tool 3 can drive the piston 14 to move along the Y-axis direction, so as to adjust the position of the piston 14 relative to the face milling mechanism 11, so as to axially align the face milling mechanism 11 and the piston 14, and radially align the boring mechanism and the piston 14, thereby ensuring the machining accuracy.
The Y-axis moving mechanism is a linear motion mechanism, can be driven by hydraulic pressure and can also be driven by electric power. In this embodiment, a hydraulic drive system is adopted.
The steel pistons of different sizes and models are provided with piston positioning tools 3 of different sizes and models. As shown in fig. 4, the piston positioning tool 3 includes a pad 16 and a plurality of clamping jaws 13, the pad 16 is fixedly connected with the Y-axis moving mechanism 12, and the clamping jaws 14 are uniformly distributed along the circumference of the pad 16.
In the present embodiment, the cross section of the pad 16 is triangular, and the number of the clamping jaws 13 is three, so as to ensure the clamping stability. It will be appreciated that in other embodiments, the pad 16 may be provided in other shapes, and the number of the jaws 13 may be three or more.
Furthermore, the surface of the pad 16 is provided with a positioning groove 15, and the piston 14 is limited at the inner side of the clamping jaw 13 through the positioning groove 15. The clamping jaws 13 are connected with a hydraulic cylinder, and the clamping jaws 13 are moved towards or away from each other under the action of the hydraulic cylinder so as to clamp or release the piston.
The face milling mechanism 11 is arranged above the piston positioning tool 3 and can move along the Z axis; the face milling mechanism 11 comprises a milling cutter head and a milling cutter arranged on the milling cutter head, and the milling cutter head is connected with a transmission mechanism and can realize the processing of the skirt bottom of the piston; the axis of the milling cutter is aligned with the axis of the piston 14 by the Y-axis moving mechanism 12 to ensure the machining accuracy.
Furthermore, boring mechanisms, namely a first boring mechanism 10-1 and a second boring mechanism 10-2, are symmetrically installed on two sides of the piston positioning tool 3, a first workbench coordinate mechanism 9-1 is installed at the bottom of the first boring mechanism 10-1, a second workbench coordinate mechanism 9-2 is installed at the bottom of the second boring mechanism 10-2, and the position of the first boring mechanism 10-1 (the second boring mechanism 10-2) is adjusted through the first workbench coordinate mechanism 9-1 (the second workbench coordinate mechanism 9-2).
The first boring mechanism 10-1 and the second boring mechanism 10-2 are identical in structure and comprise boring cutters and transmission mechanisms, and the axial directions of the boring cutters face the radial direction of the piston 14. The first table coordinate mechanism 9-1 and the second table coordinate mechanism 9-2 can realize X-axis movement, and are linear motion modules. The pin holes on two sides of the piston 14 are simultaneously machined through the first workbench coordinate mechanism 9-1 and the second workbench coordinate mechanism 9-2, and machining efficiency is improved.
The embodiment is provided with the face milling mechanism 11 and the two boring hole mechanisms, and the piston pin hole and the skirt bottom can be machined and formed at one time through one-time clamping.
The outer side of the protective cover 4 of the embodiment is also provided with a waste conveying unit 5, the waste conveying unit 5 of the embodiment is an automatic scrap iron conveying unit and comprises a conveying mechanism and a waste car, the conveying mechanism is used for automatically outputting scrap iron from the protective cover 4 and enabling the scrap iron to fall into the waste car on the outer side of the protective cover 4, and the scrap car conveys the scrap iron away; the waste material vehicle can be recycled.
Example two:
the embodiment provides a piston bore hole mills technology of piston at bottom of skirt combined machine tool processing piston, includes:
the movable door is in an open state during piston clamping, the manipulator 1 places a piston to be processed in the piston positioning tool 3, and after the piston is clamped and positioned, the manipulator 1 is released and withdrawn, and the movable door is closed.
The position of the piston positioning tool 3 clamped with the piston 14 is adjusted through the Y-axis moving mechanism 12, and the two boring hole mechanisms are radially aligned with the piston 14.
The boring mechanism is moved along the X axis by the workbench moving mechanism, the two boring mechanisms are started, and pin holes on two sides of the piston 14 are machined simultaneously; after boring, the workbench moving mechanism moves in the opposite direction to enable the boring mechanism to exit from the pin hole.
Starting the surface milling mechanism 11, moving the workbench moving mechanism to the position of the surface milling mechanism 11 along the Y direction, and moving the surface milling mechanism 11 downwards to complete milling of the piston skirt bottom;
after milling is finished, the workbench moving mechanism returns to the original point along the Y direction, and the machined piston is taken out through the mechanical arm 1;
and the manipulator 1 feeds again and processes the next piston.
As further implementation, in the piston machining process, when equipment operates, the waste conveying unit is started simultaneously, and scrap iron generated during the equipment machining operation is timely and effectively conveyed away, so that the scrap iron is prevented from being accumulated in a large quantity.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The piston boring and skirt bottom milling combined machine tool is characterized by comprising a piston positioning tool, a surface milling mechanism and a boring mechanism, wherein the surface milling mechanism is arranged above the piston positioning tool and can move along a Z axis;
boring mechanisms are symmetrically arranged on two sides of the piston positioning tool, and a workbench coordinate mechanism capable of enabling the boring mechanisms to move along an X axis is arranged at the bottoms of the two boring mechanisms, so that pin holes on two sides of a piston can be machined simultaneously.
2. The piston boring skirt bottom milling combined machine tool according to claim 1, wherein the piston positioning tool is arranged on a Y-axis moving mechanism.
3. The piston boring and skirt bottom milling combined machine tool as claimed in claim 1 or 2, wherein the piston positioning tool comprises a pad and a plurality of clamping jaws evenly distributed along the circumference of the pad, and positioning grooves are formed in the surfaces of the clamping jaws.
4. The piston boring skirt bottom milling combined machine tool according to claim 3, wherein the clamping jaws are connected with a hydraulic cylinder, and the hydraulic cylinder can drive the clamping jaws to move towards or away from each other.
5. The piston boring and skirt bottom milling combined machine tool according to claim 1, wherein the piston positioning tool, the face milling mechanism and the boring mechanism are arranged in a protective cover, and the protective cover is provided with a movable door.
6. The piston boring and skirt bottom milling combined machine tool according to claim 5, further comprising a waste conveying unit, wherein the waste conveying unit comprises a conveying mechanism and a waste trolley, and the conveying mechanism is used for conveying waste from the inside of the protective cover to the waste trolley on the outer side of the protective cover.
7. The piston boring and skirt bottom milling combined machine tool is characterized in that a manipulator is arranged on the outer side of the protective cover and used for clamping a piston; the manipulator comprises a mechanical arm and a clamp detachably connected to the tail end of the mechanical arm.
8. The process for machining the piston by the piston boring skirt bottom milling combined machine tool according to any one of claims 1 to 7, characterized by comprising the following steps of:
the piston to be processed is placed on a piston positioning tool by a manipulator, and the piston to be processed is positioned and clamped by the piston positioning tool;
the position of the piston positioning tool is adjusted through the Y-axis moving mechanism, so that the piston is radially aligned with the two boring mechanisms;
the workbench moving mechanism simultaneously moves the boring mechanisms to a machining station along the X axis, starts the two boring mechanisms and simultaneously machines pin holes on two sides of the piston;
after boring, the workbench moving mechanism moves in the opposite direction to enable the boring mechanism to exit from the pin hole;
and starting the surface milling mechanism, and moving the workbench moving mechanism to the surface milling mechanism along the Y direction to finish the milling of the piston skirt bottom.
9. The process for machining the piston by the piston boring skirt bottom milling combined machine tool according to claim 8, wherein the waste conveying unit and the internal mechanism of the protective cover are simultaneously started to output the waste during the piston machining process.
10. The process for machining the piston by the combined machine tool for milling the skirt bottom through the piston boring hole according to claim 8, wherein after the milling is finished, the workbench moving mechanism returns to the original point along the Y direction, and the machined piston is taken out through a mechanical arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111023537.6A CN113681294A (en) | 2021-08-31 | 2021-08-31 | Piston boring and skirt bottom milling combined machine tool and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111023537.6A CN113681294A (en) | 2021-08-31 | 2021-08-31 | Piston boring and skirt bottom milling combined machine tool and process |
Publications (1)
| Publication Number | Publication Date |
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| CN113681294A true CN113681294A (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111023537.6A Pending CN113681294A (en) | 2021-08-31 | 2021-08-31 | Piston boring and skirt bottom milling combined machine tool and process |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1338625A (en) * | 1970-12-07 | 1973-11-28 | Smt Machine Co Ab | Universal milling drilling and boring machines |
| CN202377564U (en) * | 2011-11-29 | 2012-08-15 | 福州诚拓电气设备有限公司 | Piston pin hole processing device |
| CN108356535A (en) * | 2018-04-27 | 2018-08-03 | 苏州英达瑞科技有限公司 | A kind of combined-machining equipment of Escalator step automatic bore hole and end face milling |
| CN210280465U (en) * | 2019-06-26 | 2020-04-10 | 泗阳恒联五金机械有限公司 | Stamping waste collection device |
| CN112338540A (en) * | 2020-12-14 | 2021-02-09 | 朱洪亮 | Composite boring and milling equipment for machining automobile piston |
| CN112809389A (en) * | 2020-12-30 | 2021-05-18 | 福建钜丰汽车配件有限公司 | Efficient piston drilling and boring integrated machine |
-
2021
- 2021-08-31 CN CN202111023537.6A patent/CN113681294A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1338625A (en) * | 1970-12-07 | 1973-11-28 | Smt Machine Co Ab | Universal milling drilling and boring machines |
| CN202377564U (en) * | 2011-11-29 | 2012-08-15 | 福州诚拓电气设备有限公司 | Piston pin hole processing device |
| CN108356535A (en) * | 2018-04-27 | 2018-08-03 | 苏州英达瑞科技有限公司 | A kind of combined-machining equipment of Escalator step automatic bore hole and end face milling |
| CN210280465U (en) * | 2019-06-26 | 2020-04-10 | 泗阳恒联五金机械有限公司 | Stamping waste collection device |
| CN112338540A (en) * | 2020-12-14 | 2021-02-09 | 朱洪亮 | Composite boring and milling equipment for machining automobile piston |
| CN112809389A (en) * | 2020-12-30 | 2021-05-18 | 福建钜丰汽车配件有限公司 | Efficient piston drilling and boring integrated machine |
Non-Patent Citations (6)
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| （中国）国家知识产权局学术委员会: "《产业专利分析报告第70册空间机器人》", 31 July 2019 * |
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