CN113500446B - A CNC machine tool for automatically transferring the storage position of a crankshaft - Google Patents
A CNC machine tool for automatically transferring the storage position of a crankshaft Download PDFInfo
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- CN113500446B CN113500446B CN202110913256.1A CN202110913256A CN113500446B CN 113500446 B CN113500446 B CN 113500446B CN 202110913256 A CN202110913256 A CN 202110913256A CN 113500446 B CN113500446 B CN 113500446B
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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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/10—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
- Feeding Of Workpieces (AREA)
Abstract
本发明涉及一种用于曲轴存放位置自动转移的数控机床，包括机架，机架上设有用于放置若干个工件的料盘，若干个工件呈竖直排布在料盘上，机架上设有抓取工件的抓取机构、控制料盘朝抓取机构运动的第一运动机构、控制抓取机构往复滑动的第二运动机构，机架还上设有与抓取机构衔接的工件待加工放置机构。本发明的抓取机构包括对工件进行夹紧与松脱的抓取装置、调整抓取装置水平与竖直状态的转动装置、控制抓取装置与转动装置朝料盘工件运动的升降装置，抓取机构将料盘的工件进行夹取并通过转动装置将工件调整为水平状态，抓取机构将水平状态的工件放置到工件待加工放置机构上，以完成工件的移位。
The present invention relates to a CNC machine tool for automatically transferring the storage position of a crankshaft, comprising a frame, a material tray for placing a plurality of workpieces on the frame, the plurality of workpieces being arranged vertically on the material tray, a grasping mechanism for grasping the workpieces, a first motion mechanism for controlling the material tray to move toward the grasping mechanism, a second motion mechanism for controlling the reciprocating sliding of the grasping mechanism, and a workpiece placement mechanism for processing connected to the grasping mechanism. The grasping mechanism of the present invention comprises a grasping device for clamping and loosening the workpiece, a rotating device for adjusting the horizontal and vertical states of the grasping device, and a lifting device for controlling the grasping device and the rotating device to move toward the workpiece on the material tray. The grasping mechanism clamps the workpiece on the material tray and adjusts the workpiece to a horizontal state through the rotating device. The grasping mechanism places the workpiece in a horizontal state on the workpiece placement mechanism for processing to complete the displacement of the workpiece.
Description
Technical Field
The invention relates to auxiliary equipment for crankshaft machining, in particular to a numerical control machine tool for automatically transferring crankshaft storage positions.
Background
The Chinese patent document No. CN204136033U discloses a crankshaft placing frame in 2015, 5 and 4 days, which comprises a rectangular frame underframe, four upright posts welded at four corners of the underframe, four idler wheels arranged at four corners of the bottom of the underframe, a crankshaft placing table supported by the upright posts and the underframe, railing type supporting frames arranged at the left side and the right side of the crankshaft placing table, placing frame baffles arranged at the two ends of the crankshaft placing table, a group of wavy buffer frames arranged in the middle of the railing type supporting frames at the two sides, and two ends of the wavy buffer frames fixed on the placing frame baffles. The crankshaft is placed in a horizontal mode, the space occupancy rate of the crankshaft is large, and the placed crankshaft also needs to be carried by carrying equipment to be matched with automatic production, but the crankshaft is easy to collide with adjacent carrying equipment during carrying due to the large space occupancy rate of the horizontally placed crankshaft, so that carrying stability is affected. Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to provide a numerical control machine tool for automatically transferring the storage position of a crankshaft, which reasonably utilizes the space of a material disc, effectively completes the displacement of the crankshaft and adjusts the crankshaft from a vertical state to a horizontal state, so as to overcome the defects in the prior art.
A numerical control machine tool for automatically transferring crankshaft storage positions is designed according to the purpose, and comprises a frame, wherein a material tray for placing a plurality of crankshafts is arranged on the frame, the crankshafts are vertically distributed on the material tray, a grabbing mechanism for grabbing the crankshafts, a first moving mechanism for controlling the material tray to move towards the grabbing mechanism and a second moving mechanism for controlling the grabbing mechanism to slide back and forth are arranged on the frame, a crankshaft to-be-machined placing mechanism connected with the grabbing mechanism is further arranged on the frame, the grabbing mechanism comprises grabbing devices for clamping and loosening the crankshafts, rotating devices for adjusting the grabbing devices to be horizontal and vertical, and lifting devices for controlling the grabbing devices to move towards the crankshafts, the crankshafts of the material tray are clamped by the grabbing mechanisms and are adjusted to be horizontal through the rotating devices, and the crankshafts in the horizontal state are placed on the crankshaft to-be-machined placing mechanism by the grabbing mechanism, so that the crankshaft is shifted.
The crankshaft waiting treatment cavity is arranged on the frame, the first detection mechanism detects that only one clamping position clamps the crankshaft, and the second movement mechanism controls the grabbing device of the grabbing mechanism to slide to the upper part of the crankshaft waiting treatment cavity so as to place the crankshaft on the crankshaft waiting treatment cavity.
The rack is provided with a second detection mechanism on two sides corresponding to the material tray, the second detection mechanism comprises a first support frame positioned on one side of the material tray and a second support frame positioned on the other side of the material tray, the first support frame and the second support frame are respectively provided with a detector for detecting the position of the crankshaft placed at the height of the material tray, and the detectors of the first support frame and the second support frame are oppositely arranged.
The feeding device is characterized in that a shaft sleeve for vertically inserting a crankshaft is arranged on the feeding disc, a plurality of shaft sleeves are arranged at intervals and are arranged on the feeding disc in rows and columns, a limiting strip is arranged on one side of each row of shaft sleeves, a clamping groove is formed in each limiting strip, a positioning ring is arranged on the shaft sleeve, a positioning ring part is located in the clamping groove, and a limiting groove is formed in each limiting strip so as to limit the rotation freedom degree of the crankshaft inserted into the shaft sleeve.
The crankshaft to-be-processed placing mechanism comprises a first crankshaft placing position and a second crankshaft placing position, wherein the first crankshaft placing position and the second crankshaft placing position are arranged at intervals, a first pushing cylinder is arranged between the first crankshaft placing position and the second crankshaft placing position, a piston rod of the first pushing cylinder is connected with the second crankshaft placing position in a matched mode, and the piston rod of the first pushing cylinder drives the second crankshaft placing position to be close to or far away from the first crankshaft placing position so as to adjust the interval between the two crankshaft placing positions.
The first crankshaft placing position and the second crankshaft placing position are both fixed on the fixed seat, a second pushing cylinder is arranged on one side of the fixed seat, a piston rod of the second pushing cylinder is connected with the fixed seat in a matched mode, third detection mechanisms for detecting crankshafts are arranged on the first crankshaft placing position and the second crankshaft placing position, the first crankshaft placing position and the second crankshaft placing position comprise two fixed blocks which are arranged at intervals in the front-back mode, and a supporting groove position for supporting the crankshafts is formed in each fixed block.
The rotating device comprises a pushing cylinder, a turning arm which is arranged through rotation of a rotating shaft, and a turning plate which is fixedly connected with the turning arm, wherein the turning plate is connected with the grabbing device in a matched mode, a first gear is arranged on the rotating shaft, a first rack meshed with the first gear is arranged on the first gear, a piston rod of the pushing cylinder is connected with the first rack in a matched mode, the piston rod of the pushing cylinder drives the first rack to move, and the turning arm and the turning plate rotate along with the first gear to drive the grabbing device to rotate.
The lifting device comprises a lifting cylinder, a piston rod of the lifting cylinder is connected with the rotating device in a part matched mode, a sliding block is arranged on the rotating device, a sliding rail matched with the sliding block in a sliding mode is arranged on the rack, and the piston rod of the lifting cylinder drives the rotating device to move up and down along the sliding rail.
The first motion mechanism comprises a moving plate, a second rack and a circular guide rail sliding assembly, wherein the moving plate is connected with the material tray in a matched mode, the second rack and the circular guide rail sliding assembly are arranged on the moving plate, the first motion mechanism further comprises a motor, a speed reducer and a second gear, the motor, the speed reducer and the second rack are sequentially connected in a transmission mode, the second gear is meshed with the second rack, the motor and the speed reducer drive the second gear to rotate, and the moving plate moves along with the second rack to drive the material tray to move along the circular guide rail sliding assembly.
And a fourth detection mechanism for detecting the movement position of the tray is arranged on the rack on the track of the tray along the circular guide rail sliding assembly.
The second movement mechanism comprises a third rack arranged on the beam frame and a linear guide rail assembly arranged between the beam frame and the grabbing mechanism, a third gear meshed with the third rack is arranged on the grabbing mechanism, a driving assembly in transmission connection with the third gear is further arranged on the grabbing mechanism, the driving assembly drives the third gear to rotate, the grabbing mechanism moves along the linear guide rail assembly along with the rotation of the third gear, buffer anti-collision pieces are arranged at two ends of the beam frame on the movement track of the grabbing mechanism, the driving assembly comprises a 90-degree corner speed reducer and a rotary cylinder which are in transmission connection, and the 90-degree corner speed reducer is in transmission connection with the third gear.
The beneficial effects of the invention are as follows:
the material tray is provided with the shaft sleeve vertically inserted into the crankshaft, and the structure that the traditional crankshaft occupies a large space when horizontally placed is eliminated.
Under the condition that the first detection mechanism detects that only one clamping position clamps the crankshaft, the second movement mechanism controls the grabbing device of the grabbing mechanism to slide to the position above the cavity for waiting to be treated by the crankshaft so as to place the crankshaft on the cavity for waiting to be treated by the crankshaft. The crankshafts are clamped on two clamping positions of the grabbing mechanism, so that displacement of the two crankshafts is completed, and errors in the next working procedure are avoided.
The detector that detects the bent axle and place at charging tray high position all is equipped with first support frame, second support frame, and first support frame, the detector of second support frame are the subtend setting, if the bent axle height is higher, can send out the alarm, and this detection function can detect to whole row's bent axle, and it is higher to appear a bent axle promptly, will discover the alarm to inform the user to arrange in order it, guarantee the operating stability of digit control machine tool.
Drawings
Fig. 1, fig. 2, and fig. 3 are schematic perspective views of different orientations of a numerically-controlled machine tool for automatically transferring a storage position of a crankshaft according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a lifting device according to an embodiment of the invention.
Fig. 5 is a schematic view showing a three-dimensional cross-sectional structure of a numerical control machine for automatically transferring a storage position of a crankshaft according to an embodiment of the present invention.
Fig. 6 is an enlarged schematic view of the structure at a in fig. 5.
FIG. 7 is a schematic view of another perspective cross-sectional structure of a numerical control machine for automatic transfer of crankshaft storage positions according to an embodiment of the present invention.
Fig. 8 is an enlarged schematic view of the structure at B in fig. 7.
Fig. 9 is a schematic view of a part of a grabbing mechanism according to an embodiment of the present invention.
FIG. 10 is a schematic view of another orientation of a portion of a gripping mechanism according to an embodiment of the present invention.
Fig. 11 is a schematic view of a grabbing device of a grabbing mechanism according to an embodiment of the present invention in a horizontal state.
FIG. 12 is a schematic view showing a structure in which a crankshaft to be processed placement mechanism is fixed on a bracket according to an embodiment of the present invention.
FIG. 13 is a schematic view showing another orientation of the crankshaft placement mechanism to be machined fixed to the bracket according to an embodiment of the present invention.
Fig. 14 is a schematic perspective view of a crankshaft placement mechanism to be processed according to an embodiment of the present invention.
FIG. 15 is a schematic view showing another perspective view of a mechanism for placing a crankshaft to be processed according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-3, the numerical control machine tool for automatically transferring the storage positions of crankshafts comprises a machine frame 1, wherein a material tray 3 for placing a plurality of crankshafts 2 is arranged on the machine frame 1, the crankshafts 2 are vertically distributed on the material tray 3, a grabbing mechanism 4 for grabbing the crankshafts 2, a first moving mechanism 8 for controlling the movement of the material tray 3 towards the grabbing mechanism 4 and a second moving mechanism 9 for controlling the reciprocating sliding of the grabbing mechanism 4 are arranged on the machine frame 1, a crankshaft to-be-machined placing mechanism 10 connected with the grabbing mechanism 4 is further arranged on the machine frame 1, the grabbing mechanism 4 comprises a grabbing device 5 for clamping and loosening the crankshafts 2, a rotating device 6 for adjusting the horizontal and vertical states of the grabbing device 5, and a lifting device 7 for controlling the grabbing device 5 and the rotating device 6 to move towards the crankshafts 2 of the material tray 3, the grabbing mechanism 4 clamps the crankshafts 2 and adjusts the crankshafts 2 into a horizontal state through the rotating device 6, and the crankshafts 2 in a horizontal state are placed on the crankshaft to-be-machined placing mechanism 10 by the grabbing mechanism 4, so that displacement of the crankshafts 2 is completed.
Referring to fig. 3 and 5, two clamping positions 5.1 for grabbing the crankshaft 2 are arranged on the grabbing device 5, a first detection mechanism for detecting the condition that the two clamping positions 5.1 grab the crankshaft 2 is arranged on the frame 1, a crankshaft waiting treatment cavity 11 is arranged on the frame 1 below the reciprocating sliding track of the grabbing mechanism 4, and the second movement mechanism 9 controls the grabbing device 5 of the grabbing mechanism 4 to slide to the position above the crankshaft waiting treatment cavity 11 under the condition that only one clamping position 5.1 grabs the crankshaft 2, so that the crankshaft 2 is placed on the crankshaft waiting treatment cavity 11.
Referring to fig. 2 and 5, two sides of the frame 1 corresponding to the tray 3 are provided with second detection mechanisms 12, the second detection mechanisms 12 comprise a first support frame 13 located at one side of the tray 3 and a second support frame 14 located at the other side of the tray 3, the first support frame 13 and the second support frame 14 are respectively provided with a detector 15 for detecting that the crankshaft 2 is placed at the height position of the tray 3, and the detectors of the first support frame 13 and the second support frame 14 are oppositely arranged.
Referring to fig. 1-3, and fig. 5 and 6, a plurality of shaft sleeves 16 vertically inserted into a crankshaft are arranged on the material tray 3, the shaft sleeves 16 are arranged in a plurality of rows and columns on the material tray 3 at intervals, a limit bar 17 is arranged on one side of each row of shaft sleeves 16, a clamping groove 17.1 is arranged on the limit bar 17, a positioning ring 16.1 is arranged on the shaft sleeve 16, a part of the positioning ring 16.1 is positioned in the clamping groove 17.1, and a limit groove 17.2 is arranged on the limit bar 17 to limit the rotation freedom degree of the crankshaft inserted into the shaft sleeve 16.
Referring to fig. 12-15, the crankshaft to-be-machined placement mechanism 10 comprises a first crankshaft placement position 18 and a second crankshaft placement position 19, wherein the first crankshaft placement position 18 and the second crankshaft placement position 19 are arranged at intervals, a first pushing cylinder 20 is arranged between the first crankshaft placement position 18 and the second crankshaft placement position 19, a piston rod of the first pushing cylinder 20 is in partial matching connection with the second crankshaft placement position 19, and the piston rod of the first pushing cylinder 20 drives the second crankshaft placement position 19 to be close to or far away from the first crankshaft placement position 18 so as to adjust the interval between the two crankshaft placement positions.
The first crankshaft placing position 18 and the second crankshaft placing position 19 are both fixed on a fixed seat 21, a second pushing cylinder 22 is arranged on one side of the fixed seat 21, a piston rod of the second pushing cylinder 22 is connected with the fixed seat 21 in a matched mode, third detection mechanisms 23 for detecting the crankshafts 2 are arranged on the first crankshaft placing position 18 and the second crankshaft placing position 19, the first crankshaft placing position 18 and the second crankshaft placing position 19 comprise two fixed blocks 24 which are arranged at intervals in the front-back mode, and a supporting groove position 24.1 for supporting the crankshafts 2 is formed in each fixed block 24.
Referring to fig. 10-11, the rotating device 6 includes a pushing cylinder 25, a turning arm 28 rotatably disposed through a rotating shaft 29, and a turning plate 30 fixedly connected with the turning arm 28, wherein the turning plate 30 is partially and cooperatively connected with the grabbing device 5, the rotating shaft 29 is provided with a first gear 27, the first gear 27 is provided with a first rack 26 meshed with the first gear 27, a piston rod of the pushing cylinder 25 is cooperatively connected with the first rack 26, the piston rod of the pushing cylinder 25 drives the first rack 26 to move, and the turning arm 28 and the turning plate 30 rotate along with the first gear 27 to drive the grabbing device 5 to rotate.
Referring to fig. 4, the lifting device 7 includes a lifting cylinder 31, a piston rod of the lifting cylinder 31 is partially connected with the rotating device 6 in a matched manner, a sliding block 32 is arranged on the rotating device 6, a sliding rail 33 in sliding fit with the sliding block 32 is arranged on the frame 1, and the piston rod of the lifting cylinder 31 drives the rotating device 6 to move up and down along the sliding rail 33.
Referring to fig. 1-5, the first movement mechanism 8 includes a moving plate 34 cooperatively connected with the tray 3, a second rack 35 and a circular guide rail sliding assembly 36 disposed on the moving plate 34, the first movement mechanism 8 further includes a motor 39, a speed reducer 38 and a second gear 37 sequentially connected in a transmission manner, the second gear 37 is meshed with the second rack 35, the motor 39 and the speed reducer 38 drive the second gear 37 to rotate, and the moving plate 34 moves along with the second rack 35 to drive the tray 3 to move along the circular guide rail sliding assembly 36.
Referring to fig. 1 to 5, on the track of the movement of the tray 3 along the circular guide rail sliding assembly 36, a fourth detecting mechanism 45 for detecting the movement position of the tray 3 is provided on the frame 1.
Referring to fig. 1-5, the second movement mechanism 9 includes a third rack 41 disposed on the beam frame 40, and a linear guide rail assembly 42 disposed between the beam frame 40 and the grabbing mechanism 4, a third gear engaged with the third rack 41 is disposed on the grabbing mechanism 4, a driving assembly in driving connection with the third gear is further disposed on the grabbing mechanism 4, the driving assembly drives the third gear to rotate, the grabbing mechanism 4 moves along the linear guide rail assembly 42 along with the rotation of the third gear, and on the movement track of the grabbing mechanism 4, buffer anti-collision members 43 are disposed at two ends of the beam frame 40, the driving assembly includes a 90-degree corner speed reducer and a rotary cylinder in driving connection, and the 90-degree corner speed reducer is in driving connection with the third gear.
The foregoing is a preferred embodiment of the invention showing and describing the general principles, features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (6)
1. A numerical control machine tool for automatically transferring crankshaft storage positions comprises a frame (1) and is characterized in that a material tray (3) for placing a plurality of crankshafts (2) is arranged on the frame (1), the crankshafts (2) are vertically distributed on the material tray (3), a grabbing mechanism (4) for grabbing the crankshafts (2), a first moving mechanism (8) for controlling the material tray (3) to move towards the grabbing mechanism (4) and a second moving mechanism (9) for controlling the grabbing mechanism (4) to slide back and forth are arranged on the frame (1), a crankshaft to-be-machined placing mechanism (10) connected with the grabbing mechanism (4) is further arranged on the frame (1), the grabbing mechanism (4) comprises a grabbing device (5) for clamping and loosening the crankshafts (2), a rotating device (6) for adjusting the grabbing device (5) to be in a horizontal and vertical state, a lifting device (7) for controlling the grabbing device (5) and the rotating device (6) to move towards the material tray (3), the grabbing mechanism (2) of the crankshafts (3) clamps and places the crankshafts (2) to be in a horizontal state to be machined (10) through the rotating device (6), to complete the displacement of the crankshaft (2);
The device comprises a frame (1), a crankshaft waiting treatment cavity (11) and a second moving mechanism (9), wherein two clamping positions (5.1) for grabbing a crankshaft (2) are arranged on the grabbing device (5), a first detecting mechanism for detecting the condition that the two clamping positions (5.1) grab the crankshaft (2) is arranged on the frame (1), and the crankshaft waiting treatment cavity (11) is arranged below the reciprocating sliding track of the grabbing mechanism (4);
The two sides of the rack (1) corresponding to the material tray (3) are provided with second detection mechanisms (12), each second detection mechanism (12) comprises a first support frame (13) positioned at one side of the material tray (3) and a second support frame (14) positioned at the other side of the material tray (3), each of the first support frame (13) and the second support frame (14) is provided with a detector (15) for detecting that the crankshaft (2) is placed at the height position of the material tray (3), and the detectors of the first support frame (13) and the second support frame (14) are oppositely arranged;
The automatic feeding device is characterized in that a plurality of shaft sleeves (16) which are vertically inserted into a crankshaft are arranged on the charging tray (3), the shaft sleeves (16) are arranged at intervals and are arranged on the charging tray (3) in rows and columns, a limiting strip (17) is arranged on one side of each row of shaft sleeves (16), a clamping groove (17.1) is formed in each limiting strip (17), a positioning ring (16.1) is arranged on each shaft sleeve (16), part of each positioning ring (16.1) is located in each clamping groove (17.1), and a limiting groove (17.2) is formed in each limiting strip (17) so as to limit the rotation freedom degree of the crankshaft inserted into each shaft sleeve (16);
The crankshaft to-be-machined placing mechanism (10) comprises a first crankshaft placing position (18) and a second crankshaft placing position (19), wherein the first crankshaft placing position (18) and the second crankshaft placing position (19) are arranged at intervals, a first pushing cylinder (20) is arranged between the first crankshaft placing position (18) and the second crankshaft placing position (19), a piston rod of the first pushing cylinder (20) is connected with the second crankshaft placing position (19) in a part matched mode, and the piston rod of the first pushing cylinder (20) drives the second crankshaft placing position (19) to be close to or far away from the first crankshaft placing position (18) so as to adjust the interval between the two crankshaft placing positions.
2. The numerical control machine tool for automatically transferring crankshaft storage positions according to claim 1, wherein the first crankshaft storage position (18) and the second crankshaft storage position (19) are fixed on a fixed seat (21), a second pushing cylinder (22) is arranged on one side of the fixed seat (21), a piston rod of the second pushing cylinder (22) is connected with the fixed seat (21) in a matched mode, a third detection mechanism (23) for detecting a crankshaft (2) is arranged on the first crankshaft storage position (18) and the second crankshaft storage position (19), the first crankshaft storage position (18) and the second crankshaft storage position (19) comprise two fixed blocks (24) which are arranged at intervals in the front-back mode, and a supporting groove position (24.1) for supporting the crankshaft (2) is formed in each fixed block (24).
3. The numerical control machine tool for automatically transferring the crankshaft storage position according to claim 1, wherein the rotating device (6) comprises a pushing cylinder (25), a turning arm (28) rotatably arranged through a rotating shaft (29) and a turning plate (30) fixedly connected with the turning arm (28), the turning plate (30) is partially matched and connected with the grabbing device (5), a first gear (27) is arranged on the rotating shaft (29), a first rack (26) meshed with the first gear (27) is arranged on the first gear (27), a piston rod of the pushing cylinder (25) is matched and connected with the first rack (26), the piston rod of the pushing cylinder (25) drives the first rack (26) to move, and the turning arm (28) and the turning plate (30) rotate along with the first gear (27) to drive the grabbing device (5) to rotate;
The lifting device (7) comprises a lifting cylinder (31), a piston rod of the lifting cylinder (31) is connected with the rotating device (6) in a partially matched mode, a sliding block (32) is arranged on the rotating device (6), a sliding rail (33) which is in sliding fit with the sliding block (32) is arranged on the frame (1), and the piston rod of the lifting cylinder (31) drives the rotating device (6) to move up and down along the sliding rail (33).
4. The numerical control machine tool for automatically transferring crankshaft storage positions according to claim 1, wherein the first movement mechanism (8) comprises a moving plate (34) which is connected with the material tray (3) in a matched mode, a second rack (35) which is arranged on the moving plate (34) and a circular guide rail sliding assembly (36), the first movement mechanism (8) further comprises a motor (39), a speed reducer (38) and a second gear (37) which are connected in a driving mode in sequence, the second gear (37) is meshed with the second rack (35), the motor (39) and the speed reducer (38) drive the second gear (37) to rotate, and the moving plate (34) moves along the circular guide rail sliding assembly (36) along with the second rack (35).
5. The numerical control machine for automatic transfer of crankshaft storage positions according to claim 4, wherein a fourth detection mechanism (45) for detecting the movement position of the tray (3) is arranged on the frame (1) on the track of the movement of the tray (3) along the circular guide rail sliding assembly (36).
6. The numerical control machine tool for automatically transferring the crankshaft storage position according to claim 1, wherein the second movement mechanism (9) comprises a third rack (41) arranged on a beam frame (40) and a linear guide rail assembly (42) arranged between the beam frame (40) and the grabbing mechanism (4), a third gear meshed with the third rack (41) is arranged on the grabbing mechanism (4), a driving assembly in transmission connection with the third gear is further arranged on the grabbing mechanism (4), the driving assembly drives the third gear to rotate, the grabbing mechanism (4) moves along the linear guide rail assembly (42) along with the rotation of the third gear, buffer anti-collision pieces (43) are arranged at two ends of the beam frame (40) on the movement track of the grabbing mechanism (4), and the driving assembly comprises a 90-degree corner speed reducer in transmission connection with a rotary cylinder and a 90-degree corner speed reducer in transmission connection with the third gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913256.1A CN113500446B (en) | 2021-08-10 | 2021-08-10 | A CNC machine tool for automatically transferring the storage position of a crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913256.1A CN113500446B (en) | 2021-08-10 | 2021-08-10 | A CNC machine tool for automatically transferring the storage position of a crankshaft |
Publications (2)
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