CN112757110A

CN112757110A - Grinding device is used in screw processing

Info

Publication number: CN112757110A
Application number: CN202011570463.3A
Authority: CN
Inventors: 王以军
Original assignee: Taizhou Jiaojiang Yonggu Ship Propeller Factory
Current assignee: Taizhou Jiaojiang Yonggu Ship Propeller Factory
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-05-07
Anticipated expiration: 2040-12-26
Also published as: CN112757110B

Abstract

The utility model relates to a grinding device is used in screw processing, including being vertical direction setting at subaerial circular orbit, be equipped with two centre gripping units and a transmission device on the circular orbit, two centre gripping units set up relatively on the circular orbit, and the equal sliding connection of centre gripping unit is on the circular orbit, transmission device is used for driving two centre gripping units and rotates along the circular orbit, and two centre gripping units are used for common centre gripping screw. After the unilateral surface to the screw blade is polished, two centre gripping units grasp the screw jointly, then transmission device drives two centre gripping units and rotates on circular orbit in step, when the position of two centre gripping units was to the accent, the turn-over was accomplished promptly to the screw to subsequent work of polishing can be carried out. The turn-over work of screw need not the staff and exerts power, effectively reduces staff's work load to the speed of screw turn-over is also accelerated greatly, can improve holistic efficiency of polishing.

Description

Grinding device is used in screw processing

Technical Field

The application relates to the field of screw processing, especially to a grinding device is used in screw processing.

Background

In recent years, the ship manufacturing industry in China develops rapidly. The production of propellers, especially large propellers, is short-lived. At present, the production of domestic large propellers is basically cast and formed firstly and then manually polished.

The polishing work of large propellers is mostly performed by a small polishing machine held by a worker at present. In the polishing process, a worker often polishes the upper surface of the propeller firstly, and then polishes the other surface of the propeller after turning the propeller.

However, the propeller is large in size and mass, so that even if a traveling crane is arranged in a factory, the propeller can be lifted by the traveling crane, workers want to turn over the propeller, and even the propeller is damaged by misoperation.

Disclosure of Invention

For the screw upset of the convenient in-process of polishing, the application provides a grinding device is used in screw processing.

The application provides a pair of grinding device is used in screw processing adopts following technical scheme:

the utility model provides a screw is grinding device for processing, is including being vertical direction setting at subaerial circular orbit, be equipped with two centre gripping units and a transmission device on the circular orbit, two centre gripping units set up relatively on the circular orbit, and the equal sliding connection of centre gripping unit is on the circular orbit, transmission device is used for driving two centre gripping units and rotates along the circular orbit, and two centre gripping units are used for common centre gripping screw.

Through adopting above-mentioned technical scheme, after polishing the unilateral surface of propeller blade, two centre gripping units are lived the screw centre gripping jointly, then transmission device drives two centre gripping units and rotates on circular orbit in step, and when the position of two centre gripping units was to adjusting, the turn-over was accomplished promptly to the screw to subsequent work of polishing can be carried out. The turn-over work of screw need not the staff and exerts power, effectively reduces staff's work load to the speed of screw turn-over is also accelerated greatly, can improve holistic efficiency of polishing.

Optionally, the clamping units include a sliding seat, a first cylinder and a butt piece, the sliding seat is connected to the annular rail in a sliding mode, the first cylinder is installed on the sliding seat, an output shaft of the first cylinder in the two clamping units is arranged oppositely, the end portion of the output shaft of the first cylinder is connected with the butt piece, and the butt piece is used for being in contact with the end face of the propeller.

By adopting the technical scheme, when the propeller does not need to be turned over, one clamping unit supports the propeller through the abutting part, and the output shaft of the first air cylinder in the other clamping unit contracts, so that the other abutting part is far away from the propeller, the upper part of the propeller blade is not shielded, and the polishing is convenient; when the propeller needs to be turned over, the output shaft of the first air cylinder extends, so that the two abutting pieces are abutted to the propeller to form clamping.

Optionally, the clamping unit further comprises a second cylinder and a positioning shaft, the second cylinder is installed on the output shaft of the first cylinder, the output shaft of the second cylinder faces the abutting piece and is coaxially connected with the positioning shaft, a through hole for the positioning shaft to pass through is formed in the abutting piece, and the cross section of the positioning shaft is matched with the cross section of the shaft hole of the propeller.

Through adopting above-mentioned technical scheme, when the butt joint board was placed to the screw, the location axle penetrated the shaft hole of screw in, can restrict the screw and the skew appears in the in-process of polishing, improves the precision of polishing.

Optionally, the clamping unit further includes a third motor, the first cylinder is rotatably connected to the sliding seat, and the third motor is configured to drive the rotation plate to rotate.

Through adopting above-mentioned technical scheme, at the in-process of polishing, the third motor can drive first cylinder and rotate to drive the butt piece and rotate, make the butt piece take the screw to rotate on the horizontal direction together, the equipment of polishing need not to remove, only need accomplish the back of polishing of close screw blade, can polish other blades through the mode that rotates the screw, further improve the precision of polishing.

Optionally, the transmission mechanism is provided with a locking piece, the locking piece is used for fixing the sliding seat on the transmission mechanism, the transmission mechanism further comprises a linear track, one end of the linear track is communicated with the annular track, the other end of the linear track is far away from the annular track, and the sliding seat which is separated from the transmission mechanism is connected to the linear track in a sliding mode.

Through adopting above-mentioned technical scheme, the centre gripping unit is on linear rail earlier before polishing begins, and the driving will wait that the screw of polishing transports and can conveniently place everywhere on linear rail's centre gripping unit after coming, then transport the screw by the centre gripping unit to the circular orbit in, also remove linear rail in the circular orbit by the centre gripping unit after finishing with the processing of screw in the same way to make things convenient for the upper and lower material of screw.

Optionally, the end surface grinding device further comprises an end surface machining part, wherein the linear track passes through the end surface machining part, and the end surface machining part is used for grinding the end surface of the propeller.

Through adopting above-mentioned technical scheme, the screw gets into before the circular orbit from the straight line track, and the terminal surface machined part is polished earlier the both ends terminal surface of screw for the screw terminal surface becomes level and smooth, and the actual area of contact grow between screw terminal surface and the butt piece, the structural stability that the screw was placed on the butt piece is stronger.

Optionally, the end face machining part comprises a fifth cylinder, a first motor, a turning seat, a second motor and a grinding wheel, the fifth cylinder is arranged on one side of the linear track, an output shaft of the fifth cylinder faces one side of the linear track along the horizontal direction, the output shaft of the fifth cylinder is connected with the first motor, the output shaft of the first motor also faces one side of the linear track and is connected with the turning seat, the second motor is arranged on the turning seat, and the output shaft of the second motor is connected with the grinding wheel.

Through adopting above-mentioned technical scheme, before the driving placed the screw butt piece, through the rotation of first motor output shaft for the output shaft of second motor sets up, and the second motor passes through the emery wheel and accomplishes polishing to terminal surface under the screw, then on the screw was placed the butt piece, the output shaft of first motor rotated, makes the output shaft of second motor set up down, and the emery wheel on the second motor output shaft can be polished the upper surface of the screw tip that is in on the butt piece.

Optionally, the base of the second motor is connected to the flipping base in a spherical hinge manner.

By adopting the technical scheme, when the grinding wheel on the second motor is used for grinding the end face of the propeller, the surface of the grinding wheel is not completely horizontal, but the deflection amplitude of the grinding wheel is determined according to the unevenness degree of the end face of the propeller, so that the unnecessary excessive grinding of the end face of the propeller is reduced.

Optionally, the locking piece includes a third cylinder, a connecting plate and a fourth cylinder, the third cylinder is fixed on the sliding seat, an output shaft of the third cylinder faces the annular rail and is fixedly connected with the connecting plate, the fourth cylinder is fixed on the transmission mechanism, and an insertion hole for the output shaft of the fourth cylinder to pass through is formed in the connecting plate.

By adopting the technical scheme, when the sliding seat needs to be switched from the linear track to the annular track to move, the sliding seat needs to move into the annular track firstly, then the output shaft of the third cylinder extends, the connecting plate is blocked on the telescopic path of the output shaft of the fourth cylinder, then the output shaft of the fourth cylinder extends and penetrates through the inserting hole of the connecting plate, and the sliding seat is connected with the annular track together by virtue of the fourth cylinder and the connecting plate, so that the clamping unit can move together with the transmission mechanism.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the annular track, the transmission mechanism and the clamping unit, the propeller can be turned, the turning work of the propeller does not need the output of workers, and the workload of the workers is effectively reduced;

2. by arranging the linear track, the feeding and the discharging of the propeller on the whole polishing device are facilitated;

3. through setting up the terminal surface machined part, polish the terminal surface of screw for the screw is placed more stably on the centre gripping unit.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a clamping unit according to an embodiment of the present application.

Fig. 3 is a schematic structural view of an end-machined part according to an embodiment of the present application.

Fig. 4 is a schematic view of a state of the clamping unit in the grinding according to the embodiment of the present application.

Fig. 5 is a schematic view of a state of the clamping unit in the embodiment of the present application when the clamping unit is turned over.

Description of reference numerals: 1. an annular track; 2. a linear track; 3. a transport mechanism; 31. a synchronous belt; 32. a drive source; 4. a clamping unit; 41. a first cylinder; 42. a sliding seat; 43. an abutting member; 44. a second cylinder; 45. positioning the shaft; 46. a third motor; 5. polishing the workpiece; 6. end face machining; 61. a fifth cylinder; 62. a first motor; 63. a turning seat; 64. a second motor; 65. a grinding wheel; 7. a locking member; 71. a third cylinder; 72. a connecting plate; 73. and a fourth cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses grinding device is used in screw processing. Referring to fig. 1, the grinding device for processing the propeller comprises an annular rail 1 and a linear rail 2 which are arranged on the ground. The circular orbit 1 is vertical setting for ground, and the lateral wall of circular orbit 1 passes through the stabilizer blade to be fixed subaerial, installs transmission device 3 on the circular orbit 1. One side of the circular track 1 is provided with a grinding member 5. The linear track 2 is laid on the ground, one end of the linear track 2 is in butt joint with the bottom of the annular track 1, the other end of the linear track 2 is far away from the annular track 1, and the linear track 2 is connected with a clamping unit 4 in a sliding mode. An end face machining piece 6 is installed on the ground at one side of the linear rail 2.

The propeller to be polished has large volume and mass and is transported by a traveling crane in a factory. When the propeller is polished, the propeller is transported to the clamping unit 4 of the linear track 2 by a traveling crane, the end faces of two ends of the propeller are polished to be flat by the end face machining part 6, and then the propeller is driven by the clamping unit 4 to move to the annular track 1 from the linear track 2. After the grinding of the single-side surfaces of all the blades of the propeller is finished by the grinding piece 5, the transmission mechanism 3 drives the clamping unit 4 to rotate, so that the other side surfaces of the blades of the propeller can be ground by the grinding piece 5, and the whole grinding of the propeller is realized.

Referring to fig. 1 and 2, the clamping unit 4 includes a sliding seat 42, a third motor 46, a first cylinder 41, a second cylinder 44, a positioning shaft 45, and an abutment 43. The bottom of the sliding seat 42 is provided with a plurality of universal wheels, and the sliding seat 42 realizes the sliding direction switching between the linear track 2 and the circular track 1 by the universal wheels. The third motor 46 is installed inside the sliding seat 42, an output shaft of the third motor 46 penetrates out of the top of the sliding seat 42 and is connected to the base of the first cylinder 41, the first cylinder 41 is rotatably connected to the top of the sliding seat 42, a support is installed on the output shaft of the first cylinder 41, the end, far away from the first cylinder 41, of the support is fixed with the abutting piece 43, the second cylinder 44 is installed in the support, the output shaft of the second cylinder 44 faces the abutting piece 43 and is coaxially and fixedly connected with the positioning shaft 45, and the cross section of the positioning shaft 45 is matched with the cross section of the shaft hole of the propeller. The abutting piece 43 is provided with a through hole for the positioning shaft 45 to pass through. The axial lead of the output shaft of the first motor 62, the axial lead of the output shaft of the first cylinder 41 and the axial lead of the output shaft of the second cylinder 44 are all on the same straight line.

Referring to fig. 1, the transport mechanism 3 includes a timing belt 31 and a drive source 32, and the timing belt 31 is laid along the circumferential direction of the endless track 1. The driving source 32 includes a driving motor installed on the outer side wall of the circular track 1, an output shaft of the driving motor extends into the circular track 1 and is coaxially connected with a synchronizing wheel, and the synchronizing wheel is meshed with the outer side wall of the synchronizing belt 31. When the driving motor is started, the timing pulley drives the timing belt 31 to rotate.

Referring to fig. 1 and 2, a locking member 7 is installed between the transfer mechanism 3 and the clamping unit 4, and the locking member 7 includes a third cylinder 71, a connecting plate 72, and a fourth cylinder 73. The third cylinder 71 has two, and two third cylinders 71 all install inside the sliding seat 42 and be in the both sides of first motor 62, and the output shaft of two third cylinders 71 is all worn out and common fixed connection board 72 from the bottom of sliding seat 42, has seted up the spliced eye on the connecting board 72. The number of the fourth cylinders 73 is two, the two fourth cylinders 73 are respectively disposed at both ends of the inner side wall of the timing belt 31, and the output shaft of the fourth cylinder 73 faces one side of the linear rail 2 in the horizontal direction. When the sliding seat 42 moves onto the timing belt 31, the fourth cylinder 73 is located below the sliding seat 42, and then the third cylinder 71 moves the connecting rod downward, so that the output shaft of the fourth cylinder 73 is aligned with the plug hole, and the output shaft of the fourth cylinder 73 can be inserted into the plug hole after being extended, thereby fixing the sliding seat 42 on the timing belt 31.

Referring to fig. 1 and 3, the end-face workpiece 6 includes a fifth cylinder 61, a first motor 62, a turning base 63, a second motor 64 and a grinding wheel 65, the fifth cylinder 61 is fixed on the ground through a bracket, the fifth cylinder 61 is located on one side of the linear rail 2, and an output shaft of the fifth cylinder 61 faces one side of the linear rail 2 in a horizontal direction. The output shaft of the fifth cylinder 61 is connected with a first motor 62, the output shaft of the first motor 62 also faces one side of the linear track 2 and is connected with a turning seat 63, the base of a second motor 64 is connected to the turning seat 63 in a spherical hinge mode, and the output shaft of the second motor 64 is arranged in the vertical direction and is coaxially connected with a grinding wheel 65.

Referring to fig. 1, there are two clamping units 4, and there will be at least one clamping unit 4 on the circular track 1. If one gripper unit 4 is on the linear track 2, the other gripper unit 4 on the endless track 1 is no longer moving on top of the endless track 1. Referring to fig. 4, if the gripper units 4 on the linear track 2 enter the endless track 1, the two gripper units 4 are oppositely located on the top and bottom ends of the endless track 1, and both the gripper units 4 are fixed to the transfer mechanism 3 by the locking members 7.

The polishing piece 5 can be a mechanical arm, an electric polisher is arranged on the end part of the mechanical arm, and the mechanical arm is driven to polish through a pre-designed program. The sanding element 5 may also be a small sander, and manual sanding is accomplished by a worker by holding the small sander. No matter which kind of mode of polishing, polish to a screw all need divide go on many times, polish at every turn only need accomplish single blade unilateral polish can, cooperation clamping unit 4 to the rotation of screw on the horizontal direction and in the ascending upset of vertical side, can make and polish 5 accomplish the polishing to whole screw through the mode of polishing many times at fixed position. In this embodiment, the sanding element 5 is a robot, and the workers are replaced by automated equipment, thereby further reducing the workload of the workers.

The implementation principle of the grinding device for processing the propeller in the embodiment of the application is as follows: one clamping unit 4 moves to the linear track 2 firstly, then the propeller to be polished is moved to the linear track 2 close to the end face machined part 6 by the travelling crane, the grinding wheel 65 is rotated to the upward side by the first motor 62, and after the second motor 64 is started, the propeller is slowly close to the grinding wheel 65 by the travelling crane, so that the grinding wheel 65 finishes polishing the lower end face of the propeller. Then the output shaft of the fifth cylinder 61 contracts, the crane places the propeller on the clamping unit 4 of the linear track 2, the first motor 62 rotates the grinding wheel 65 to one side facing the ground, and the output shaft of the first cylinder 41 on the clamping unit 4 extends, so that the upper surface of the propeller is in contact with the grinding wheel 65, and the grinding of the two end faces of the propeller is completed. Next, the gripper unit 4 on the linear rail 2 returns to the endless rail 1 with the propeller (see fig. 4 in this state), the locking member 7 fixes the gripper unit 4 to the timing belt 31 again, and then the robot finishes polishing the upper surface of the propeller in cooperation with the rotation of the propeller driven by the third motor 46. Under the common clamping of the two clamping units 4, the synchronous belt 31 drives the propeller to rotate for 180 degrees (in this state, see fig. 5), and the mechanical arm finishes polishing the other side surface of the propeller.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a grinding device is used in screw processing which characterized in that: including being vertical direction setting circular orbit (1) subaerial, be equipped with two centre gripping units (4) and a transmission device (3) on circular orbit (1), two centre gripping units (4) set up relatively on circular orbit (1), and the equal sliding connection of centre gripping unit (4) is on circular orbit (1), transmission device (3) are used for driving two centre gripping units (4) and rotate along circular orbit (1), and two centre gripping units (4) are used for common centre gripping screw.

2. The grinding device for processing the propeller according to claim 1, wherein: the clamping unit (4) comprises a sliding seat (42), a first air cylinder (41) and an abutting piece (43), the sliding seat (42) is connected to the annular track (1) in a sliding mode, the first air cylinder (41) is installed on the sliding seat (42), an output shaft of the first air cylinder (41) in the two clamping units (4) is arranged oppositely, the end portion of the output shaft of the first air cylinder (41) is connected with the abutting piece (43), and the abutting piece (43) is used for being in contact with the end face of the propeller.

3. The grinding device for processing the propeller according to claim 2, wherein: the clamping unit (4) further comprises a second cylinder (44) and a positioning shaft (45), the second cylinder (44) is installed on an output shaft of the first cylinder (41), the output shaft of the second cylinder (44) faces to the abutting piece (43) and is coaxially connected with the positioning shaft (45), a through hole for the positioning shaft (45) to pass through is formed in the abutting piece (43), and the cross section of the positioning shaft (45) is matched with that of a shaft hole of the propeller.

4. The grinding device for processing the propeller according to claim 3, wherein: the clamping unit (4) further comprises a third motor (46), the first air cylinder (41) is rotatably connected to the sliding seat (42), and the third motor (46) is used for driving the rotating plate to rotate.

5. The grinding device for processing the propeller according to claim 2, wherein: be equipped with locking piece (7) on transmission device (3), locking piece (7) are used for fixing sliding seat (42) on transmission device (3), still include linear rail (2), linear rail's (2) one end and circular rail (1) intercommunication, circular rail (1) are kept away from to linear rail's (2) the other end, break away from sliding seat (42) sliding connection of transmission device (3) on linear rail (2).

6. The grinding device for processing the propeller according to claim 5, wherein: the end surface grinding device is characterized by further comprising an end surface machining piece (6), the linear track (2) passes through the end surface machining piece (6), and the end surface machining piece (6) is used for grinding the end surface of the propeller.

7. The grinding device for processing the propeller according to claim 6, wherein: the end face machining piece (6) comprises a fifth cylinder (61), a first motor (62), a turning seat (63), a second motor (64) and a grinding wheel (65), wherein the fifth cylinder (61) is arranged on one side of the linear track (2), an output shaft of the fifth cylinder (61) faces one side of the linear track (2) along the horizontal direction, the output shaft of the fifth cylinder (61) is connected with the first motor (62), the output shaft of the first motor (62) also faces one side of the linear track (2) and is connected with the turning seat (63), the second motor (64) is arranged on the turning seat (63), and the output shaft of the second motor (64) is connected with the grinding wheel (65).

8. The grinding device for processing the propeller according to claim 7, wherein: the base of the second motor (64) is connected to the turning base (63) in a spherical hinge mode.

9. The grinding device for processing the propeller according to claim 5, wherein: the locking piece (7) comprises a third cylinder (71), a connecting plate (72) and a fourth cylinder (73), the third cylinder (71) is fixed on the sliding seat (42), an output shaft of the third cylinder (71) faces the annular rail (1) and is fixedly connected with the connecting plate (72), the fourth cylinder (73) is fixed on the transmission mechanism (3), and a plug hole for the output shaft of the fourth cylinder (73) to pass through is formed in the connecting plate (72).