阅读说明：本技术 用于缸套加工的物料转移方法 (Material transferring method for cylinder sleeve processing ) 是由 周国荣 于 2020-07-15 设计创作，主要内容包括：本发明属于发动机缸套加工技术领域,具体涉及一种用于缸套加工的物料转移方法,采用机械手从缸套内部夹紧缸套,并将缸套依次转移经过涂油工位、翻边工位和卸料工位,并在卸料工位将缸套释放；所述机械手包括圆形的安装板,安装板的边缘设有夹持单元。本发明利用气囊试机械手实现缸套的柔性装夹和转移,降低对缸套内壁的损害,同时实现了缸套在各工位间的自动流转,提高了生产效率。(The invention belongs to the technical field of engine cylinder sleeve processing, and particularly relates to a material transfer method for cylinder sleeve processing, which is characterized in that a mechanical arm is adopted to clamp a cylinder sleeve from the inside of the cylinder sleeve, the cylinder sleeve is sequentially transferred to pass through an oiling station, a flanging station and an unloading station, and the cylinder sleeve is released at the unloading station; the manipulator comprises a circular mounting plate, and the edge of the mounting plate is provided with a clamping unit. The invention utilizes the air bag test manipulator to realize flexible clamping and transferring of the cylinder sleeve, reduces the damage to the inner wall of the cylinder sleeve, simultaneously realizes automatic circulation of the cylinder sleeve among stations and improves the production efficiency.)

1. A material transfer method for cylinder sleeve processing is characterized in that: clamping the cylinder sleeve (70) from the inside of the cylinder sleeve (70) by adopting a manipulator, sequentially transferring the cylinder sleeve (70) to pass through an oiling station, a flanging station and an unloading station, and releasing the cylinder sleeve (70) at the unloading station; the manipulator comprises a circular mounting plate (50), a rotating shaft is arranged in the center of the mounting plate (50), the rotating shaft is rotatably arranged on a rack and is in sliding connection with the rack along the axis direction, a driving element for driving a rotating hand to rotate and slide is arranged on the rack, a clamping unit (60) is arranged at the edge of the mounting plate (50), a material taking station, an oil coating station, a flanging station and an unloading station are sequentially arranged on the rotation path of the clamping unit (60), the material taking station is provided with a cylinder sleeve (70) and a cylinder blank conveying groove (10), the oil coating station is provided with an oil coating device (20), the flanging station is provided with a flanging device (30), and the unloading station is provided with an unloading conveying belt (; when the clamping unit (60) reaches the material taking station, the mounting plate (50) descends to insert the clamping unit (60) into the cylinder sleeve (70), the clamping unit (60) clamps the cylinder sleeve (70), and the mounting plate (50) ascends; the mounting plate (50) rotates by a step distance, so that the clamping unit (60) reaches an oiling station, the mounting plate (50) descends again, the inner ring surface at the lower end of the cylinder sleeve (70) is in contact with the oiling device (20), and then the mounting plate (50) ascends to separate the cylinder sleeve (70) from the oiling device (20); the mounting plate (50) rotates one step pitch again to enable the clamping unit (60) to reach the flanging station, the mounting plate (50) descends again to send the cylinder sleeve (70) into the flanging device (30), and the clamping mechanism loosens the cylinder sleeve (70); after the flanging of the cylinder sleeve (70) is finished, the clamping mechanism clamps the cylinder sleeve (70), and the mounting plate (50) moves upwards to separate the cylinder sleeve (70) from the flanging device (30); the mounting plate (50) rotates one step again to enable the clamping mechanism to reach the unloading station, the mounting plate (50) moves downwards, the cylinder sleeve (70) is loosened by the clamping unit (60), the mounting plate (50) moves upwards and keeps the clamping mechanism in a loosening state, and the mounting plate (50) rotates one step again to enable the clamping unit (60) to return to the material taking station.

2. The material transfer method for cylinder liner machining according to claim 1, characterized in that: the clamping unit (60) comprises a first disc (61) and a second disc (62) which are arranged in parallel, a drum-shaped air bag is arranged between the first disc (61) and the second disc (62), the first disc (61) and the second disc (62) are arranged in a mutually opening and closing mode along the vertical direction of the surfaces of the first disc and the second disc, when the first disc (61) and the second disc (62) are mutually folded, the drum-shaped air bag expands outwards along the radial direction of the first disc (61) and the second disc (62) to abut against the inner wall of the cylinder sleeve (70), and when the first disc (61) and the second disc (62) are mutually far away, the drum-shaped air bag contracts inwards along the radial direction of the first disc (61) and the second disc (62) to be separated from the inner wall of the cylinder sleeve (70).

3. The material transfer method for cylinder liner machining according to claim 2, characterized in that: the clamping unit (60) further comprises a core barrel (64) and a sliding sleeve (65), the sliding sleeve (65) is arranged on the outer annular surface of the core barrel (64) in a sliding mode, the first disk (61) is fixedly connected with the core barrel (64), the second disk (62) is fixedly connected with the sliding sleeve (65), the drum-shaped air bag comprises an annular bag wall (63), one end of the annular bag wall (63) is connected with the first disk (61) in a sealing mode, the other end of the annular bag wall (63) is connected with the second disk (62) in a sealing mode, the inner annular surface of the sliding sleeve (65) is in sealing sliding fit with the outer annular surface of the core barrel (64), and the annular bag wall (63), the first disk (61), the second disk (62) and the barrel wall of the core barrel (64) jointly enclose the drum-shaped air bag.

4. The material transfer method for cylinder liner machining according to claim 3, characterized in that: the core barrel (64) is movably connected with the mounting plate (50) along the axis direction, a first pressure spring (644) is arranged between the core barrel (64) and the mounting plate (50), the first pressure spring (644) is assembled to enable the elastic force of the first pressure spring to drive the core barrel (64) to move towards the direction far away from the mounting plate (50), a first limiting block (643) used for limiting the moving stroke of the core barrel (64) is further arranged between the core barrel (64) and the mounting plate (50), the sliding sleeve (65) is movably connected with the mounting plate (50) along the axis direction, a second pressure spring (674) is arranged between the sliding sleeve (65) and the mounting plate (50), the second pressure spring (674) is assembled to enable the elastic force of the second pressure spring (674) to drive the sliding sleeve (65) to move towards the direction far away from the mounting plate (50), a second limiting block (673) used for limiting the moving stroke of the sliding sleeve (65) is arranged between the sliding sleeve (65) and the mounting plate (50), and when the core barrel (64) and the sliding sleeve (65) In the limit position away from the mounting plate (50), the first disc (61) and the second disc (62) are close to each other, while the annular capsule wall (63) is in an expanded state.

5. The material transfer method for cylinder liner machining according to claim 4, characterized in that: a locking mechanism is arranged between the core barrel (64) and the sliding sleeve (65), the locking mechanism is assembled to lock the relative position between the core barrel (64) and the sliding sleeve (65) when the annular capsule wall (63) is in an expansion state, and when the core barrel (64) is subjected to external axial acting force to compress the first pressure spring (644) and reach a preset compression amount, the locking mechanism can release the sliding sleeve (65), the sliding sleeve (65) slides relative to the core barrel (64) under the action of the second pressure spring (674) to enable the second disk (62) to be far away from the first disk (61), and at the moment, the annular capsule wall (63) contracts along the radial direction; the flanging station is provided with a blocking frame (37) for extruding the core barrel (64), and the unloading station is provided with a supporting plate (41) for extruding the core barrel (64).

6. The material transfer method for cylinder liner processing according to claim 5, characterized in that: the locking mechanism comprises a guide post (672) fixedly connected with a sliding sleeve (65) relatively, and a first clamping plate (68) arranged on a core barrel (64) in a radial sliding mode along the guide post (672), a first clamping groove (6721) is formed in the guide post (672), when an annular capsule wall (63) is in an expansion state, the first clamping plate (68) is flush with the first clamping groove (6721), a third pressure spring (681) is arranged between the first clamping plate (68) and the core barrel (64), a first wedge-shaped block (682) is arranged on the first clamping plate (68), a first wedge-shaped driving block (34) (683) is arranged on the mounting plate (50), when the first pressure spring (644) does not reach a preset compression amount, the first wedge-shaped driving block (34) (683) is separated from the first wedge-shaped block (682), at the moment, the first clamping plate (68) is clamped into the first clamping groove (6721) under the action of the third pressure spring (644) and extrudes the first wedge-shaped driving block (34) (683) when the first pressure spring (644) reaches the preset compression amount (682) The first clamping plate (68) is driven to slide, and the first clamping plate (68) is separated from the first clamping groove (6721).

7. The material transfer method for cylinder liner machining according to claim 6, characterized in that: and a locking device is arranged between the core barrel (64) and the mounting plate (50), the locking device can keep the core barrel (64) in a compressed state when the core barrel (64) is subjected to an external axial force to compress the first pressure spring (644) and reach a preset compression amount, so that the annular capsule wall (63) is kept in a contracted state, and when the clamping unit (60) reaches a preset specified station, the locking mechanism can release the core barrel (64) to enable the core barrel (64) to move under the action of the first pressure spring (644) and extrude the annular capsule wall (63) to an expanded state.

8. The material transfer method for cylinder liner machining according to claim 7, characterized in that: the locking device comprises a guide rod (642) fixedly connected with a core barrel (64), and a second clamping plate (51) arranged on a mounting plate (50) in a sliding mode along the guide rod (642) in the radial direction, a fourth pressure spring (512) is arranged between the second clamping plate (51) and the mounting plate (50), a second clamping groove (6421) is formed in the guide rod (642), when the core barrel (64) is compressed to a preset compression amount by external axial acting force to compress a first pressure spring (644), the second clamping plate (51) is opposite to the second clamping groove (6421), the second clamping plate (51) is clamped in the second clamping groove (6421) under the action of the fourth pressure spring (512), a second wedge-shaped block (511) is arranged on the second clamping plate (51), a second wedge-shaped driving block (34) (52) is arranged on a preset appointed station, and when a clamping unit (60) moves in the circumferential direction on the preset appointed station, the second wedge-shaped driving block (34) (52) extrudes the second wedge-shaped block (511) so as to drive the second wedge-shaped block (51) to slide The two clamping plates (51) are separated from the second clamping groove (6421), and the preset appointed stations are a material taking station and a flanging station.

9. The material transfer method for cylinder liner machining according to claim 8, characterized in that: the sliding sleeve (65) is fixedly connected with a sliding seat (67) arranged in the core barrel (64) through a radial pin (671), a strip-shaped hole (641) for the radial pin (671) to slide along the axial direction of the core barrel (64) is formed in the barrel wall of the core barrel (64), and the guide post (672) is fixedly connected with the sliding seat (67).

10. The material transfer method for cylinder liner machining according to claim 9, characterized in that: the guide post (672) and the guide rod (642) are connected with the mounting plate (50) in a sliding mode, the first pressure spring (644) is sleeved on the guide rod (642), and the second pressure spring (674) is sleeved on the guide post (672).

Technical Field

The invention belongs to the technical field of engine cylinder sleeve processing, and particularly relates to a material transfer method for cylinder sleeve processing.

Background

One end of a thin-wall cylinder sleeve blank needs to be flanged to form a sleeve shoulder after the thin-wall cylinder sleeve blank is machined and formed, a rigid clamp is generally adopted by a traditional flanging device to tension a cylinder sleeve from the inside of the cylinder sleeve and then the cylinder sleeve is rotated to be machined, however, the requirement on the degree of finish of the inner surface of the cylinder sleeve is high, and the traditional clamp is adopted to easily cause abrasion deformation of the inner wall of the cylinder. In addition, in order to protect the material surface before the cylinder liner turn-ups, generally need scribble fluid in the turn-ups region, traditional processing mode generally adopts artifical fat liquoring, wastes time and energy, influences machining efficiency. Finally, manual material discharging and taking are needed in the traditional cylinder sleeve processing, the automation degree is low, and large-scale and intelligent production cannot be realized.

Disclosure of Invention

The invention aims to provide a material transfer method for cylinder sleeve processing, which realizes automatic circulation of a cylinder sleeve among stations in a flanging process and improves processing efficiency.

The technical scheme adopted by the invention is as follows:

a material transfer method for cylinder sleeve processing is characterized in that a mechanical arm is adopted to clamp a cylinder sleeve from the interior of the cylinder sleeve, the cylinder sleeve is sequentially transferred to pass through an oiling station, a flanging station and an unloading station, and the cylinder sleeve is released at the unloading station; the manipulator comprises a circular mounting plate, a rotating shaft is arranged in the center of the mounting plate, the rotating shaft is rotatably arranged on the rack and is in sliding connection with the rack along the axis direction, a driving element for driving the rotating hand to rotate and slide is arranged on the rack, a clamping unit is arranged at the edge of the mounting plate, a material taking station, an oil coating station, a flanging station and an unloading station are sequentially arranged on the rotation path of the clamping unit, the material taking station is provided with a cylinder sleeve blank conveying groove, the oil coating station is provided with an oil coating device, the flanging station is provided with a flanging device, and the unloading station is provided with an unloading conveying belt; when the clamping unit reaches the material taking station, the mounting plate moves downwards to insert the clamping unit into the cylinder sleeve, the clamping unit clamps the cylinder sleeve, and the mounting plate moves upwards; the mounting plate rotates by a step distance, so that the clamping unit reaches an oiling station, the mounting plate descends again, the inner ring surface at the lower end of the cylinder sleeve is in contact with the oiling device, and then the mounting plate ascends to separate the cylinder sleeve from the oiling device; the mounting plate rotates one step pitch again to enable the clamping unit to reach the flanging station, the mounting plate descends again, the cylinder sleeve is sent into the flanging device, and the clamping mechanism loosens the cylinder sleeve; after the cylinder sleeve is flanged, the clamping mechanism clamps the cylinder sleeve, and the mounting plate moves upwards to separate the cylinder sleeve from the flanging device; the mounting plate rotates one step again to enable the clamping mechanism to reach the unloading station, the mounting plate moves downwards, the cylinder sleeve is loosened by the clamping unit, the mounting plate moves upwards and keeps the clamping mechanism in a loosening state, and the mounting plate rotates one step again to enable the clamping unit to return to the material taking station.

The clamping unit comprises a first disc and a second disc which are arranged in parallel, a drum-shaped air bag is arranged between the first disc and the second disc, the first disc and the second disc are arranged in a mutually opening and closing mode along the vertical direction of the disc surfaces of the first disc and the second disc, the drum-shaped air bag expands outwards along the radial direction of the first disc and the second disc to tightly abut against the inner wall of the cylinder sleeve when the first disc and the second disc are closed, and the drum-shaped air bag contracts inwards along the radial direction of the first disc and the second disc to separate from the inner wall of the cylinder sleeve when the first disc and the second disc are away from each other.

The clamping unit further comprises a core barrel and a sliding sleeve, the sliding sleeve is arranged on the outer annular surface of the core barrel in a sliding mode, the first disc is fixedly connected with the core barrel, the second disc is fixedly connected with the sliding sleeve, the drum-shaped air bag comprises an annular bag wall, one end of the annular bag wall is connected with the first disc in a sealing mode, the other end of the annular bag wall is connected with the second disc in a sealing mode, the inner annular surface of the sliding sleeve is in sealing sliding fit with the outer annular surface of the core barrel, and the annular bag wall, the first disc, the second disc and the barrel wall of the core barrel are jointly enclosed to form the drum-shaped air bag.

The utility model discloses a setting up the installation board, including the installation board, the installation board is equipped with the first pressure spring between the installation board and the core section of thick bamboo, the core section of thick bamboo is equipped with the first stopper that is used for restricting core section of thick bamboo activity stroke for axis direction and mounting board swing joint, and the first pressure spring is assembled for its elasticity can order about the core section of thick bamboo to the direction motion of keeping away from the installation board, still is equipped with the first stopper that is used for restricting core section of thick bamboo activity stroke between core section of thick bamboo and the installation board, and the sliding sleeve is equipped with the second pressure spring along axis direction and mounting board swing joint between sliding sleeve and the installation board, and first disc and second disc are close to each other when the core section of thick bamboo and sliding sleeve do with the elasticity of first pressure spring and second pressure spring down in the.

A locking mechanism is arranged between the core barrel and the sliding sleeve, the locking mechanism is assembled to lock the relative position between the core barrel and the sliding sleeve when the annular capsule wall is in an expansion state, and when the core barrel is subjected to external axial acting force to compress the first pressure spring and reach a preset compression amount, the locking mechanism can release the sliding sleeve, the sliding sleeve slides relative to the core barrel under the action of the second pressure spring to enable the second disc to be far away from the first disc, and at the moment, the annular capsule wall contracts along the radial direction; the flanging station is provided with a blocking frame for extruding the core barrel, and the unloading station is provided with a supporting plate for extruding the core barrel.

The locking mechanism comprises a guide pillar fixedly connected with the sliding sleeve relatively, and a first clamping plate arranged on the core barrel along the guide pillar in a radial sliding mode, a first clamping groove is formed in the guide pillar, when the annular capsule wall is in an expansion state, the first clamping plate is parallel to the first clamping groove, a third pressure spring is arranged between the first clamping plate and the core barrel, a first wedge-shaped block is arranged on the first clamping plate, a first wedge-shaped driving block is arranged on the mounting plate, the first wedge-shaped driving block and the first wedge-shaped block are separated from each other when the first pressure spring does not reach a preset compression amount, the first clamping plate is clamped into the first clamping groove under the action of the third pressure spring at the moment, and when the first pressure spring reaches the preset compression amount, the first wedge-shaped driving block extrudes the first wedge-shaped block to drive the first clamping plate to slide and enable the first clamping.

And when the clamping unit reaches a preset designated station, the locking mechanism can release the core barrel to enable the core barrel to move under the action of the first pressure spring and extrude the annular capsule wall to an expanded state.

Locking device includes the guide arm with core barrel rigid coupling to and follow the second cardboard that the guide arm radial slip set up on the mounting panel, be equipped with the fourth pressure spring between second cardboard and the mounting panel, be equipped with the second draw-in groove on the guide arm, receive outside axial effort when the core barrel compresses first pressure spring to predetermineeing the decrement, the second cardboard is just right with the second draw-in groove, and the second cardboard is blocked in the second draw-in groove under the effect of fourth pressure spring this moment, be equipped with the second wedge on the second cardboard, predetermine and be equipped with the second wedge drive block on the appointed station, when centre gripping unit predetermine appointed station along circumferential motion, thereby the second wedge drive block extrudees the second wedge and drives the second cardboard and slide and make the second cardboard break away from the second draw-in groove, predetermine appointed station for getting material station and turn-ups station.

The sliding sleeve is fixedly connected with a sliding seat arranged in the core barrel through a radial pin, a strip-shaped hole for the radial pin to slide along the axial direction of the core barrel is formed in the barrel wall of the core barrel, and the guide pillar is fixedly connected with the sliding seat.

The guide post and the guide rod are connected with the mounting plate in a sliding mode, the first pressure spring is sleeved on the guide rod, and the second pressure spring is sleeved on the guide post.

The invention has the technical effects that: the invention utilizes the air bag test manipulator to realize flexible clamping and transferring of the cylinder sleeve, reduces the damage to the inner wall of the cylinder sleeve, simultaneously realizes automatic circulation of the cylinder sleeve among stations and improves the production efficiency.

Drawings

FIG. 1 is a perspective view of a cylinder liner machining system provided by an embodiment of the present invention;

FIG. 2 is a perspective view of a robot provided by an embodiment of the present invention;

FIG. 3 is a top view of a cylinder liner machining system provided by an embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a cross-sectional view B-B of FIG. 3;

FIG. 6 is a cross-sectional view C-C of FIG. 3;

FIG. 7 is a cross-sectional view D-D of FIG. 3;

fig. 8 is a perspective view of an oiling device provided by an embodiment of the present invention;

fig. 9 is an exploded view of an oiling device provided by an embodiment of the present invention;

fig. 10 is a top view of an oiling device provided by an embodiment of the present invention;

FIG. 11 is a perspective view of a flanging device provided in accordance with an embodiment of the present invention;

fig. 12 is a perspective view of another perspective view of the flanging device provided by the embodiment of the invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.