CN113334091A - Crankshaft continuous processing assembly line and method - Google Patents
Crankshaft continuous processing assembly line and method Download PDFInfo
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- CN113334091A CN113334091A CN202110599914.4A CN202110599914A CN113334091A CN 113334091 A CN113334091 A CN 113334091A CN 202110599914 A CN202110599914 A CN 202110599914A CN 113334091 A CN113334091 A CN 113334091A
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- 238000003801 milling Methods 0.000 claims abstract description 106
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000012546 transfer Methods 0.000 claims abstract description 37
- 238000003754 machining Methods 0.000 claims abstract description 28
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- 239000002131 composite material Substances 0.000 claims description 40
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Abstract
The application belongs to the field of machining, and relates to a crankshaft continuous machining assembly line which comprises a crankshaft feeding unit, a turning and milling combined machine tool group, a crank turning and milling combined machine tool group, a discharging unit and a truss manipulator for material conveying, wherein the turning and milling combined machine tool group comprises a first turning and milling combined machine tool, a second turning and milling combined machine tool, a third turning and milling combined machine tool, a first crankshaft temporary storage area and a second crankshaft temporary storage area; the crank turning and milling combined machine tool set comprises a first crank turning and milling combined machine tool, a second crank turning and milling combined machine tool and a third crankshaft temporary storage area; a transfer storage mechanism capable of placing a crankshaft is arranged between the turning and milling combined machine tool group and the crank turning and milling combined machine tool group; the truss manipulator comprises a first manipulator, a second manipulator, a third manipulator and a fourth manipulator, and the crankshaft continuous processing method is characterized in that the first manipulator, the second manipulator and the turning and milling combined machine tool group are matched to realize long shaft processing of three crankshafts, and then the third manipulator and the fourth manipulator are matched to realize crank throw processing of two crankshafts. The efficiency of the crankshaft machining process is greatly improved.
Description
Technical Field
The invention belongs to the field of machining, relates to crankshaft machining equipment and a crankshaft machining method, and particularly relates to a crankshaft continuous machining assembly line and a crankshaft continuous machining method.
Background
At present, in order to improve the automation degree of crankshaft machining and reduce the labor cost, a truss manipulator is adopted for automatic feeding in the crankshaft machining process, for example, a robot-based flexible automatic crankshaft connecting line and a crankshaft machining method are disclosed in the Chinese patent with the patent publication number of CN105598758B, a vertical insertion type crankshaft material storage unit is arranged on the robot-based flexible automatic crankshaft connecting line, and the crankshaft material storage quantity is increased by several times; the multi-grab type truss feeding robot and the truss discharging robot are arranged on the two independent trusses, interference collision between the robots is avoided, the crankshaft storage amount is increased by multiple times based on the flexible automatic connection of the crankshafts, and the material moving speed of the crankshafts in machining is increased by multiple times through the multi-grab type truss feeding robot.
In above-mentioned technical scheme's centerless grinding manufacturing procedure and eccentric grinding manufacturing procedure, transport when can realize a plurality of bent axles has promoted handling efficiency, still can only satisfy the processing of a bent axle simultaneously, can not carry out the processing of same process simultaneously to a plurality of bent axles, lead to efficiency still lower.
Disclosure of Invention
The application aims to solve the problems and provides a crankshaft continuous processing line;
another object of the present application is to solve the above problems, and to provide a continuous crankshaft machining method;
in order to achieve the purpose, the invention adopts the following technical scheme:
the application creatively provides a crankshaft continuous processing assembly line, which comprises a crankshaft feeding unit, a turning and milling combined machine tool group, a crank turning and milling combined machine tool group, a discharging unit and a truss manipulator for material conveying,
the turning and milling combined machine tool group at least comprises a first turning and milling combined machine tool, a second turning and milling combined machine tool, a third turning and milling combined machine tool, a first crankshaft temporary storage area capable of placing at least one crankshaft and a second crankshaft temporary storage area capable of placing at least two crankshafts;
the crank turning and milling combined machine set at least comprises a first crank turning and milling combined machine tool, a second crank turning and milling combined machine tool and a third crankshaft temporary storage area capable of containing at least one crankshaft;
a transfer storage mechanism capable of placing a crankshaft is arranged between the turning and milling combined machine tool group and the crank turning and milling combined machine tool group;
the truss manipulator comprises
The first manipulator can move to a crankshaft feeding unit position, a first vehicle milling compound machine tool position, a second vehicle milling compound machine tool position, a first crankshaft temporary storage area and a second crankshaft temporary storage area;
the second manipulator can move to a second crankshaft temporary storage area, a third turning and milling combined machine tool position and a transfer storage mechanism position;
the third manipulator can move to the position of the transfer storage mechanism, the position of the first crank turning and milling compound machine tool and the temporary storage area of the third crankshaft;
and the fourth manipulator can move to the third crankshaft temporary storage area, the second crank turning and milling combined machine tool position and the blanking unit.
In the above crankshaft continuous processing line, the first turning and milling combined machine tool, the second turning and milling combined machine tool, and the third turning and milling combined machine tool are arranged along the feeding direction, the first crankshaft temporary storage area is located at an upstream position of the second turning and milling combined machine tool along the feeding direction, and the second crankshaft temporary storage area is located at an upstream position of the third turning and milling combined machine tool along the feeding direction;
the first crank turning and milling composite machine tool and the second crank turning and milling composite machine tool are arranged along the feeding direction, and the third crankshaft temporary storage area is located at the upstream position of the second crank turning and milling composite machine tool along the feeding direction.
In the above continuous crankshaft processing line, each of the first manipulator and the second manipulator includes at least three first clamping jaws for clamping the crankshaft from the outer periphery;
the third manipulator and the fourth manipulator both comprise at least two second clamping jaws for clamping the crankshaft from one end.
In the above continuous crankshaft machining line, the transfer storage mechanism includes a rotary platform rotating horizontally and having more than two rotary stations, and crankshaft storage areas arranged on the rotary platform, and the number of the crankshaft storage areas is equal to that of the rotary stations of the rotary platform.
In the above continuous crankshaft machining line, the number of crankshaft storage positions in each crankshaft storage area is the least common multiple of the number of the first clamping jaws in the second manipulator and the number of the second clamping jaws in the third manipulator.
In the above continuous crankshaft machining line, the crankshaft feeding unit includes a conveying table for conveying the crankshaft, at least three crankshaft transverse placing racks arranged on one side of the conveying table, and a crankshaft feeding clamping claw for moving the crankshaft from the conveying table to the crankshaft transverse placing racks.
A continuous crankshaft machining method based on any one of the production lines comprises the following steps:
after the first manipulator grabs at least three crankshaft blanks from the crankshaft feeding unit, two crankshaft blanks are sequentially placed in a first crankshaft temporary storage area and a second crankshaft temporary storage area;
the second mechanical arm grabs the crankshaft blank stored on the second crankshaft temporary storage area and exchanges the crankshaft blank with a primary machined crankshaft machined in a third turning and milling composite machine tool;
the first mechanical arm exchanges a crankshaft blank gripped on the first mechanical arm with a primary machined crankshaft machined in the second car milling composite machine tool and then places the crankshaft blank in the second crankshaft temporary storage area, and then exchanges the crankshaft blank in the first crankshaft temporary storage area with the primary machined crankshaft machined in the first car milling composite machine tool and then places the crankshaft blank in the second crankshaft temporary storage area;
a second manipulator which grasps one primary processing crankshaft returns to the temporary storage area of the second crankshaft to grasp the two primary processing crankshafts placed on the temporary storage area of the second crankshaft and convey the two primary processing crankshafts to a transfer storage mechanism;
after the third mechanical arm picks at least two primary processing crankshafts on the transfer storage mechanism, one of the primary processing crankshafts is placed in a third crankshaft temporary storage area;
the fourth mechanical arm grabs the primary crankshaft on the temporary storage area of the third crankshaft to exchange with the finished crankshaft processed in the second crank turning and milling composite machine tool;
a primary processing crankshaft held by the third manipulator is exchanged with a crankshaft finished product in the first crank turning and milling composite machine tool and then is placed back to the third crankshaft temporary storage area;
and the fourth mechanical arm for gripping the finished crankshaft returns to the third temporary crankshaft storage area to grip the finished crankshaft placed on the third temporary crankshaft storage area and convey the finished crankshaft to the blanking unit.
In any of the above continuous crankshaft machining methods, the first manipulator places the machined primary machined crankshaft in the first turning and milling composite machine tool in the second crankshaft temporary storage area and returns to the crankshaft feeding unit to take the material again; and the third manipulator puts the crankshaft finished product in the first crank turning and milling composite machine tool back to the third crankshaft temporary storage area and returns to the transfer storage mechanism to take the material again.
In any of the above continuous crankshaft processing methods, the second robot transports the crankshaft to be machined to the crankshaft storage area of the first rotation station of the transfer storage mechanism, and the third robot grasps the crankshaft to be machined from the crankshaft storage area of the second rotation station of the transfer storage mechanism.
In any of the above continuous crankshaft machining methods, the crankshaft feeding clamping jaw grabs crankshaft blanks from the conveying table and sequentially places the crankshaft blanks on at least three crankshaft transverse placing racks, and the first manipulator sequentially grabs the crankshaft blanks from the at least three crankshaft transverse placing racks.
Compared with the prior art, the invention has the advantages that:
according to the invention, the plurality of mechanical arms are matched with the temporary storage area, so that a plurality of crankshafts can be simultaneously processed in the long shaft processing process and the excircle processing process respectively, thereby greatly improving the processing efficiency.
The invention is also provided with a rotary transfer storage mechanism in a matching way, so that the synchronous conveying of the crankshaft in the long shaft machining process and the excircle machining process can be realized, and the crankshaft conveying and the excircle conveying do not conflict with each other.
The first mechanical arm and the second mechanical arm are provided with first clamping jaws for clamping the crankshaft from the periphery, are suitable for clamping the crankshaft in a long shaft machining procedure and avoid the collision with equipment, and the third mechanical arm and the fourth mechanical arm are provided with second clamping jaws for clamping the crankshaft from one end, are suitable for clamping the crankshaft in a crank throw machining procedure and avoid the collision with the equipment.
Drawings
FIG. 1 is a side view schematic of a pipeline provided herein.
Fig. 2 is a schematic view of a pipeline provided in the present application.
Fig. 3 is a structure diagram of a crankshaft loading unit provided by the present application.
Fig. 4 is a structural diagram of a transfer storage mechanism provided in the present application.
Fig. 5 is a schematic structural diagram of a first robot provided in the present application.
Fig. 6 is a schematic structural diagram of a third robot provided in the present application.
In the figure, a crankshaft feeding unit 1, a conveying table 10, a crankshaft transverse placing frame 11 and a crankshaft feeding clamping jaw 12 are arranged;
the turning and milling combined machine tool group 2 comprises a first turning and milling combined machine tool 21, a second turning and milling combined machine tool 22, a third turning and milling combined machine tool 23, a first crankshaft temporary storage area 24 and a second crankshaft temporary storage area 25;
the transfer storage mechanism 3, the rotary platform 30 and the crankshaft storage area 31;
a crank turning and milling compound machine set 4, a first crank turning and milling compound machine 41, a second crank turning and milling compound machine 42 and a third crankshaft temporary storage area 43;
a blanking unit 5;
a truss robot 6, a truss 60, a first robot 61, a second robot 62, a third robot 63, a fourth robot 64, a first gripper 65, and a second gripper 66.
Detailed Description
Further illustrated by the following specific examples;
as shown in fig. 1 and 2, a crankshaft continuous processing line includes a crankshaft feeding unit 1, a turning and milling compound machine set 2, a transfer storage mechanism 3, a crank turning and milling compound machine set 4, a discharging unit 5, and a truss manipulator 6 for material transportation.
As shown in fig. 3, the crankshaft feeding unit 1 includes a conveying table 10 for conveying the crankshaft, three crankshaft transverse holding racks 11 provided on one side of the conveying table 10, and crankshaft feeding claws 12 for moving the crankshaft from the conveying table 10 to the crankshaft transverse holding racks 11.
The transfer table 10 includes a frame 100, and six sets of parallel crankshaft supports 101 provided on the frame 100. And a plurality of crankshaft placing positions are arranged on each group of crankshaft supports 101 along the feeding direction. The crankshaft placing position comprises two placing seats for bearing two ends of the crankshaft. The middle of each group of crankshaft supports 101 is provided with a moving groove 103 arranged along the feeding direction, and a crankshaft conveying frame 102 is arranged in the moving groove 103. The crankshaft transport frame 102 has a plurality of crankshaft transport positions. The number of crankshaft transfer positions in each crankshaft transfer rack 102 is one less than the number of crankshaft placement positions in each crankshaft support 101. And the distance between the central lines of the conveying positions of the adjacent crankshafts is equal to the distance between the central lines of the placing positions of the adjacent crankshafts.
The continuous conveying of the crankshafts is realized through the mutual matching of the crankshaft support 101 and the crankshaft conveying frame 102, so that the vacant crankshaft placing positions are timely compensated. And the multiple groups of crankshaft supports 101 alternately supply materials to the crankshaft feeding clamping jaws 12, so that continuous feeding of the crankshaft feeding clamping jaws 12 can be met.
The crankshaft transfer frame 102 is connected to a driving mechanism (not shown in the drawings) capable of driving the crankshaft transfer frame 102 to reciprocate in the feeding direction and to reciprocate in the vertical direction. When the crankshaft conveying frame 102 is located at the upper limit in the vertical direction, the crankshaft conveying position is higher than the crankshaft placing position, and when the crankshaft placing position is located at the lower limit in the vertical direction, the crankshaft conveying position is lower than the crankshaft placing position. When the crankshaft conveying frame 102 is located at the displacement limit of one end at the downstream in the feeding direction, one crankshaft conveying position at the tail end in the feeding direction corresponds to one crankshaft placing position at the tail end in the feeding direction in the vertical direction, and when the crankshaft conveying frame 102 is located at the displacement limit of one end at the upstream in the feeding direction, one crankshaft conveying position at the starting end in the feeding direction corresponds to one crankshaft placing position at the starting end in the feeding direction in the vertical direction. The driving mechanism can be an air cylinder or a driving motor.
An X-axis track 120 is horizontally arranged above the conveying table 10 and perpendicular to the feeding direction, an X-axis moving table 121 moving along the X-axis direction is arranged on the X-axis track 120, a Z-axis driver 122 driving a Z-axis moving table 123 to move along the Z-axis direction is arranged on the X-axis moving table 121, a rotary driver 124 rotating along a vertical plane is arranged on the Z-axis moving table 123, a crankshaft feeding clamping jaw 12 is connected onto the rotary driver 124, and when the crankshaft feeding clamping jaw 12 rotates to a downward position corresponding to the crankshaft support 101 and the Z-axis moving table 123 is located at a lower stroke limit, the crankshaft feeding clamping jaw 12 can reach a grabbing position corresponding to a crankshaft placing position at the tail end of the crankshaft support 101 in the feeding direction.
The crankshaft feeding clamping jaw 12 is arranged on a vertical plane in an inclined mode, the crankshaft feeding clamping jaw 12 comprises two feeding clamping jaw heads 125 symmetrically arranged along the inclined plane and a feeding driver 126 for driving the two feeding clamping jaw heads 125 to move close to or away from each other, and a feeding grabbing space is formed between the two feeding clamping jaw heads 125.
A fixing table 110 is fixedly arranged at the downstream end of the conveying table 10 in the feeding direction, a placing frame driver 111 for driving the crankshaft transverse placing frame 11 to reciprocate in the feeding direction is arranged on the fixing table 110, and when the crankshaft transverse placing frame 11 moves to a position close to one end of the feeding clamping jaw 12, the crankshaft transverse placing frame is located at a placing position corresponding to the feeding grabbing space on a vertical plane.
The crankshaft transverse placing frame 11 comprises two fixing seats 112 used for bearing two ends of a crankshaft, a passing space for vertical movement of the feeding clamping jaw 12 is formed between the two fixing seats 112, and when the crankshaft feeding clamping jaw 12 rotates to an upward position corresponding to the crankshaft transverse placing frame 11, the Z-axis moving platform 123 moves from top to bottom and can pass through the passing space of the crankshaft transverse placing frame 11.
As shown in fig. 2, the turning and milling combined machine set 2 includes a first turning and milling combined machine 21, a second turning and milling combined machine 22, and a third turning and milling combined machine 23 arranged along the feeding direction, and further includes a first crankshaft temporary storage area 24 capable of storing one crankshaft and a second crankshaft temporary storage area 25 capable of storing two crankshafts.
Specifically, the first crankshaft temporary storage area 24 is disposed above the first milling composite machine 21 and located on a side of the feed opening of the first milling composite machine 21 close to the second milling composite machine 22. The second crankshaft temporary storage area 25 is arranged above the second milling composite machine tool 22 and is positioned at one side of the feed inlet of the second milling composite machine tool 22, which is close to the third milling composite machine tool 23.
The combined crank turning and milling machine set 4 comprises a first combined crank turning and milling machine 41 and a second combined crank turning and milling machine 42 which are arranged along the feeding direction, and further comprises a third temporary storage area 43 capable of holding a crankshaft.
The truss robot 6 includes a first robot 61, a third robot 63, and a fourth robot 64.
The truss manipulator 6 further comprises an X-axis walking beam frame 601 arranged along the feeding direction, four X-axis walking seats 602 capable of walking along the X axis are arranged on the X-axis walking beam frame 601, a Y-axis walking beam frame 603 is arranged on each X-axis walking seat 602, a Y-axis walking seat 604 capable of walking along the Y axis is arranged on each Y-axis walking beam frame 603, a Z-axis walking beam frame 605 is arranged on each Y-axis walking seat 604, a Z-axis walking seat 606 capable of walking along the Z axis is arranged on each Z-axis walking beam frame 605, and the four Z-axis walking seats 606 are respectively provided with a first manipulator 61, a third manipulator 63 and a fourth manipulator 64.
It will be appreciated by those skilled in the art that the movement of the X-axis traveling block 602, the Y-axis traveling block 604, and the Z-axis traveling block 606 may be controlled by air cylinders or other actuators.
The first manipulator 61 is provided with a crankshaft feeding unit 1 position grabbing position, a first lathe milling composite machine tool 21 position grabbing position, a second lathe milling composite machine tool 22 position grabbing position, a first crankshaft temporary storage area 24 grabbing position and a second crankshaft temporary storage area 25 grabbing position;
the second manipulator 62 is provided with a second crankshaft temporary storage area 25 grabbing position, a third turning and milling composite machine tool 23 position grabbing position and a transfer storage mechanism 3 position grabbing position;
the third manipulator 63 is provided with a transfer storage mechanism 3 position grabbing position, a first crank turning and milling composite machine tool 41 position grabbing position and a third crankshaft temporary storage area 43 grabbing position;
the fourth manipulator 64 has a third crankshaft temporary storage area 43 gripping position, a second crank throw turning and milling composite machine tool 42 position gripping position and a blanking unit 5 gripping position.
The first manipulator 61, the third manipulator 63 and the fourth manipulator 64 are respectively arranged in a segmented manner on the same X-axis walking beam frame 601. And moving to the corresponding grabbing positions through displacement in an X axis, a Y axis and a Z axis.
According to the invention, the plurality of mechanical arms are matched with the temporary storage area, so that a plurality of crankshafts can be simultaneously processed in the long shaft processing process and the excircle processing process respectively, thereby greatly improving the processing efficiency.
As shown in fig. 5, each of the first robot 61 and the second robot 62 includes three first jaws 65 that grip the crankshaft from the outer periphery.
Specifically, the first jaw 65 includes two first jaw heads 650 oppositely disposed along a vertical plane parallel to the X axis, a first clamping space is provided between the two first jaw heads 650, the first jaw head 650 is connected to a first jaw driver 651, and the first jaw driver 651 drives the two first jaw heads 650 to move closer or farther, so as to achieve clamping or releasing. The first clamping jaw for clamping the crankshaft from the periphery is suitable for clamping the crankshaft in a long shaft machining procedure and avoids conflict with equipment.
As shown in fig. 6, each of the third robot 63 and the fourth robot 64 includes at least two second jaws 66 that grip the crankshaft from one end.
Specifically, the second jaw 66 includes three second jaw heads 660 circumferentially arranged along a horizontal central axis parallel to the X axis, a second clamping space is provided between the three second jaw heads 660, the second jaw heads 660 are connected to a second jaw driver 661, and the second jaw driver 661 drives the three second jaw heads 661 to move closer to or away from the horizontal central axis, so as to achieve clamping or releasing. The second clamping jaw for clamping the crankshaft from one end is suitable for clamping the crankshaft in the excircle machining process, and avoids conflict with equipment.
As shown in fig. 4, 5 and 6, the transfer storage mechanism 3 includes a rotary platform 30 that rotates horizontally and has two or more rotary stations, and crankshaft storage areas 31 provided on the rotary platform 30, and the number of the crankshaft storage areas 31 is equal to the number of the rotary stations of the rotary platform 30. The transfer storage mechanism 3 can synchronously convey the crankshafts in the long shaft machining process and the excircle machining process without conflict.
The number of crankshaft storage positions in each crankshaft storage area 31 is the least common multiple of the number of first clamping jaws 65 in the second manipulator 62 and the number of second clamping jaws 66 in the third manipulator 63. That is, in the present embodiment, the number of the crankshaft storage locations in each crankshaft storage area 31 is 6.
As shown in fig. 1 and 2, the blanking unit 5 includes a slope for the crankshaft to slide down.
The crankshafts which can be stored in the crankshaft transverse placing frame 11, the first crankshaft temporary storage area 24, the second crankshaft temporary storage area 25, the third crankshaft temporary storage area 43 and the crankshaft storage position comprise crankshaft blanks, primarily processed crankshafts, crankshaft finished products and the like.
A continuous processing method of a crankshaft comprises the following steps:
s1 crankshaft feeding clamping jaws 12 grab crankshaft blanks from the conveying table 10 and sequentially place the crankshaft blanks on the three crankshaft transverse placing frames 11, and the first manipulator 61 grabs the crankshaft blanks from the three crankshaft transverse placing frames 11 sequentially.
S2 the first manipulator 61 grabs three crank blanks from the crank feeding unit 1, and then sequentially places two of the crank blanks in the first crank temporary storage area 24 and the second crank temporary storage area 25.
S3 the second manipulator 62 grabs the crankshaft blank stored in the second crankshaft temporary storage area 25 and exchanges it with the machined primary crankshaft in the third turn-milling compound machine 23.
Meanwhile, the first manipulator 61 exchanges a crankshaft blank gripped thereon with the machined primary machined crankshaft in the second milling composite machine 22 and then places the crankshaft blank in the second crankshaft temporary storage area 25, exchanges a crankshaft blank in the first crankshaft temporary storage area 24 with the machined primary machined crankshaft in the first milling composite machine 21 and then places the crankshaft blank in the second crankshaft temporary storage area 25, and then returns to the crankshaft feeding unit 1 to take the crankshaft again.
S4 the second robot 62 gripping one of the crankshafts to be machined returns to the second crankshaft temporary storage area 25 to grip the two crankshafts to be machined placed thereon and transfer them to the first rotation station of the transfer and storage mechanism 3.
S5 the third manipulator 63 picks up at least two crankshafts to be machined at the second rotation station of the transfer and storage mechanism 3, and places one of the crankshafts to be machined in the temporary storage area 43 of the third crankshaft.
After all the primary processing crankshafts on the second rotating station are completely grabbed, the rotating platform 30 of the transfer storage mechanism 3 rotates the primary processing crankshafts on the original first rotating station to the second rotating station for next material taking.
S6 the fourth manipulator 64 grabs the preliminary processed crankshaft in the third crankshaft temporary storage area 43 and exchanges the processed crankshaft with the finished crankshaft in the second crank turn-milling composite machine 42.
Meanwhile, a primary processing crankshaft held by the third manipulator 63 is exchanged with a crankshaft finished product in the first crank turn-milling composite machine 41, and then the primary processing crankshaft is placed back to the third crankshaft temporary storage area 43 and then returned to the transfer storage mechanism 3 for material taking again.
S7 the fourth robot arm 64 gripping a finished crankshaft returns to the third crankshaft temporary storage 43 to grip a finished crankshaft placed thereon and convey it to the blanking unit 5.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the building body 1, the solar panel 2, the storage battery 3, the fixed flowerpot 4, the air intake mechanism 5, the air filter box 50, the atomization device 51, the air intake 52, the air filter 53, the air intake fan 54, the air exhaust mechanism 6, the air exhaust fan 61, the air outlet 62, the water storage tank 7, the water inlet 71, the filter screen 72, the water collection chamber 73, the water filter 74, the cover plate 75, the movable flowerpot 8, the driving mechanism 81, the rolling mechanism 82, the water delivery pipe 90, the straight pipe 91, the hose 92, and the like are used more herein. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. The utility model provides a bent axle continuous type flow direction of packaging line, includes bent axle material loading unit (1), turnning and milling combination machine group (2), crank turn-milling combination machine group (4), unloading unit (5) and truss manipulator (6) that are used for the material to transport, its characterized in that:
the turning and milling combined machine set (2) at least comprises a first turning and milling combined machine tool (21), a second turning and milling combined machine tool (22), a third turning and milling combined machine tool (23), a first crankshaft temporary storage area (24) capable of placing at least one crankshaft and a second crankshaft temporary storage area (25) capable of placing at least two crankshafts;
the crank turning and milling combined machine set (4) at least comprises a first crank turning and milling combined machine tool (41), a second crank turning and milling combined machine tool (42) and a third crankshaft temporary storage area (43) capable of containing at least one crankshaft;
a transfer storage mechanism (3) capable of placing a crankshaft is arranged between the turning and milling combined machine tool group (2) and the crank turning and milling combined machine tool group (4);
the truss manipulator (6) comprises
The first manipulator (61) at least comprises a crankshaft feeding unit (1) position grabbing position, a first milling composite machine tool (21) position grabbing position, a second milling composite machine tool (22) position grabbing position, a first crankshaft temporary storage area (24) grabbing position and a second crankshaft temporary storage area (25) grabbing position;
the second manipulator (62) is at least provided with a second crankshaft temporary storage area (25) grabbing position, a third turning and milling composite machine tool (23) position grabbing position and a transfer storage mechanism (3) position grabbing position;
the third manipulator (63) is at least provided with a transfer storage mechanism (3) position grabbing position, a first crank turning and milling composite machine tool (41) position grabbing position and a third crankshaft temporary storage area (43) grabbing position;
and the fourth manipulator (64) is at least provided with a third crankshaft temporary storage area (43) grabbing position, a second crank throw turning and milling composite machine tool (42) position grabbing position and a blanking unit (5) grabbing position.
2. The continuous crankshaft processing line of claim 1, wherein: the first turning and milling combined machine tool (21), the second turning and milling combined machine tool (22) and the third turning and milling combined machine tool (23) are arranged along the feeding direction, the first crankshaft temporary storage area (24) is located at the upstream position of the second turning and milling combined machine tool (22) along the feeding direction, and the second crankshaft temporary storage area (25) is located at the upstream position of the third turning and milling combined machine tool (23) along the feeding direction;
the first crank throw turning and milling composite machine tool (41) and the second crank throw turning and milling composite machine tool (42) are arranged along the feeding direction, and the third crankshaft temporary storage area (43) is located at the upstream position of the second crank throw turning and milling composite machine tool (42) along the feeding direction.
3. The continuous crankshaft processing line of claim 1, wherein: the first manipulator (61) and the second manipulator (62) each include at least three first jaws (65) that grip a crankshaft from the outer periphery;
the third manipulator (63) and the fourth manipulator (64) each comprise at least two second clamping jaws (66) for clamping the crankshaft from one end.
4. A crankshaft continuous process line as in claim 3, wherein: the transfer storage mechanism (3) comprises a rotary platform (30) which horizontally rotates and is provided with more than two rotary stations and crankshaft storage areas (31) arranged on the rotary platform (30), and the number of the crankshaft storage areas (31) is equal to that of the rotary stations of the rotary platform (30).
5. The continuous crankshaft processing line of claim 4, wherein: the number of the crankshaft storage positions on each crankshaft storage area (31) is the least common multiple of the number of the first clamping jaws (65) in the second manipulator (62) and the number of the second clamping jaws (66) in the third manipulator (63).
6. The continuous crankshaft processing line of claim 1, wherein: the crankshaft feeding unit (1) comprises a conveying table (10) used for conveying crankshafts, at least three crankshaft transverse placing frames (11) arranged on one side of the conveying table (10) and crankshaft feeding clamping jaws (12) used for moving the crankshafts from the conveying table (10) to the crankshaft transverse placing frames (11).
7. A continuous crankshaft machining method based on the assembly line of any one of claims 1 to 6, characterized by comprising the following steps:
after the first mechanical arm (61) grabs at least three crankshaft blanks from the crankshaft feeding unit (1), two crankshaft blanks are sequentially placed in a first crankshaft temporary storage area (24) and a second crankshaft temporary storage area (25);
the second manipulator (62) grabs the crankshaft blank stored on the second crankshaft temporary storage area (25) and exchanges the crankshaft blank with the machined primary machined crankshaft in the third turning and milling composite machine tool (23);
the first manipulator (61) exchanges a crankshaft blank gripped on the first manipulator with a primary machined crankshaft machined in the second car milling composite machine tool (22) and then places the crankshaft blank in the second crankshaft temporary storage area (25), and then exchanges the crankshaft blank in the first crankshaft temporary storage area (24) with the primary machined crankshaft machined in the first car milling composite machine tool (21) and then places the crankshaft blank in the second crankshaft temporary storage area (25);
a second manipulator (62) which grasps one primary processing crankshaft returns to the second crankshaft temporary storage area (25) to grasp the two primary processing crankshafts placed on the second crankshaft temporary storage area and convey the two primary processing crankshafts to the transfer storage mechanism (3);
after the third mechanical arm (63) grabs at least two primary processing crankshafts on the transfer storage mechanism (3), one of the primary processing crankshafts is placed in a third crankshaft temporary storage area (43);
a fourth manipulator (64) grabs the primary crankshaft on the third crankshaft temporary storage area (43) and exchanges the finished crankshaft processed in the second crank turning and milling composite machine tool (42);
a primary processing crankshaft held by the third manipulator (63) is exchanged with a crankshaft finished product in the first crank turning and milling composite machine tool (41) and then is placed back to the third crankshaft temporary storage area (43);
the fourth mechanical arm (64) holding a finished crankshaft returns to the third temporary crankshaft storage area (43) to pick a finished crankshaft placed on the third temporary crankshaft storage area and convey the finished crankshaft to the blanking unit (5).
8. The crankshaft continuous process line of claim 7, wherein: the first manipulator (61) places the machined primary crankshaft in the first turning and milling composite machine tool (21) into a second crankshaft temporary storage area (25) and returns to the crankshaft feeding unit (1) to take materials again; and the third manipulator (63) returns the finished crankshaft product in the first crank turning and milling composite machine tool (41) to the third crankshaft temporary storage area (43) and then returns to the transfer storage mechanism (3) to take the material again.
9. The crankshaft continuous process line of claim 7, wherein: the second mechanical arm (62) conveys the primary machined crankshaft to a crankshaft storage area (31) of a first rotating station of the transfer storage mechanism (3), and the third mechanical arm (63) grabs the primary machined crankshaft from the crankshaft storage area (31) of a second rotating station of the transfer storage mechanism (3).
10. The crankshaft continuous process line of claim 7, wherein: crankshaft feeding clamping jaws (12) grab the crankshaft blank from the conveying table (10) and place the crankshaft blank on at least three crankshaft transverse placing frames (11) in sequence, and a first mechanical arm (61) grabs the crankshaft blank from the at least three crankshaft transverse placing frames (11) in sequence.
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| CN113334091B (en) | 2023-01-10 |
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Denomination of invention: Continuous machining assembly line and method for crankshaft Granted publication date: 20230110 Pledgee: Zhejiang Hecheng Rural Commercial Bank Co.,Ltd. Pledgor: JIAXING HONGFENG MACHINERY Co.,Ltd. Registration number: Y2024330000066 |