Permanent magnet servo motor disassembly and assembly process method for ceramic hydraulic machine

Abstract

The invention discloses a permanent magnet servo motor disassembly and assembly process method for a ceramic hydraulic machine, and relates to the technical field of motors. A first worker disassembles flange screws and disassembles two anchor screws at the non-junction box end of the motor, so that the motor is separated from the oil pump; a second worker disassembles two anchor screws at the junction box end and disassembles a motor junction box and a power line, and a first worker lifts out an old motor, lifts a new motor through a forklift and aligns the new motor; a second worker connects a power line of a main motor, installs two anchor screws at the end of a junction box, connects a power line of a fan, puts down a wire before shutdown, presses a wiring nose, and shuts down to work. The method greatly shortens and recovers the production time, improves the disassembly and assembly efficiency of the motor, reduces the cost, improves the efficiency, improves the economic benefits of enterprises, and is wide in application prospect.

Description

Technical Field

[0001] The invention relates to the technical field of motors, and in particular to a method for disassembling and assembling a permanent magnet servo motor used in a ceramic hydraulic press. Background Art

[0002] With the advancement of science and technology, it is necessary to frequently transform the press equipment. When transforming the permanent magnet servo motor used in the ceramic hydraulic press, the equipment must be shut down. This shutdown process takes more than 10 hours to resume production, which is time-consuming and inefficient. At the same time, it also requires more manpower and material resources, affecting economic benefits. Based on this, it is particularly necessary to develop a permanent magnet servo motor disassembly and assembly process method for ceramic hydraulic presses. Summary of the invention

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a permanent magnet servo motor disassembly and assembly process method for a ceramic hydraulic press, which greatly shortens the production resumption time, improves the motor disassembly and assembly efficiency, reduces costs and increases efficiency, improves economic benefits, and is easy to promote and use.

[0004] In order to achieve the above object, the present invention is implemented by the following technical scheme: a permanent magnet servo motor disassembly and assembly process for a ceramic hydraulic press, the steps of which are: (1) Preparation: Worker No. 1 and Worker No. 2 prepare disassembly and assembly tools, make support pads under the oil pump, remove the oil pump observation cover, check the direction of the oil pump, and check the high and low pressure range; put the forklift in place, install the hoisting motor wire rope, and install the forklift extension arm; make the motor extension cable and install the spare coupling; (2) Worker No. 1 uses an electric wrench and socket to remove the flange screws, uses a wrench to remove the two anchor screws at the non-junction box end of the motor, and uses a crowbar to separate the motor and the oil pump; Worker No. 2 uses a wrench to remove the two anchor screws at the junction box end, and removes the motor junction box and power cord; (3) Forklift lifting: Worker No. 1 lifts out the old motor, lifts the new motor with a forklift, and aligns the new motor; Worker No. 2 connects the main motor power cord, installs the two anchor screws at the terminal box, and connects the fan power cord; (4) Before stopping the machine, lay out the wires and press the terminal lugs. Prepare a cooling fan wire and a temperature signal wire at the motor site, prepare a pressure sensor wire and a start-up signal wire at the press site, prepare three power input wires, three inverter output wires, module power wires and star-to-delta signal wires in the power distribution cabinet, and cover the power wires and control wires and mark the terminals. (5) Shutdown work: Staff No. 3 cuts off the main power circuit breaker of the power distribution cabinet, pulls out the fuse, connects the three-phase power line of the drive cabinet to the upper screw of the fuse, connects the three-phase output line of the drive cabinet with the motor output line with the wiring terminal, connects the main contactor and normally open auxiliary contact, makes the drive cabinet, driver, and start signal, and installs the mutual inductor; Staff No. 4 coordinates the on-site press supervisor to evacuate the hydraulic pump, install the pressure sensor, connect the wires, install the press control cabinet stamping signal line, and make emergency preparations; (6) Turn on the machine: Determine the direction of the machine head, determine the direction of the motor cooling fan, and determine whether the pressure is normal.

[0005] Preferably, in the step (1), the motor extension cord is covered with a high temperature resistant sheath, which is then rolled securely with a rolling strip and then wrapped with adhesive tape on both sides.

[0006] Preferably, in step (2), the second worker first uses an electrician's test pen to test the electricity, and then uses a cross screwdriver and a socket to remove the motor junction box and the power cord after installing a grounding wire.

[0007] Preferably, in step (3), the first worker positions the new motor, uses a long-handled flat-blade screwdriver to align the coupling and the nylon rod from the oil pump observation well, screws the motor flange and the oil pump flange together, and installs two anchor screws. The second worker connects the main motor power cord. If the power cord needs to be extended, the extension cord should be connected to the new motor in advance before shutdown, and the docking terminal or three sets of screws should be prepared.

[0008] Preferably, in step (5), before the third worker cuts off the main power circuit breaker of the power distribution cabinet, he first uses an electric test pen to test the electricity and then touches the switch of the disassembled motor with the back of his finger before construction. The emergency treatment preparation of the fourth worker includes: a spare inverter, installation feet, setting parameters, seamless connection, and a spare motor.

[0009] The beneficial effects of the present invention are as follows: the present method can greatly shorten the time for resuming production, improve the efficiency of disassembling and assembling the motor, reduce costs and increase efficiency, improve the economic benefits of the enterprise, and has broad application prospects. DETAILED DESCRIPTION

[0010] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0011] This specific implementation adopts the following technical solution: a permanent magnet servo motor disassembly and assembly process for a ceramic hydraulic press, the steps of which are: (1) Preparation: Worker No. 1 and Worker No. 2 prepare disassembly and assembly tools, and prepare support pads under the oil pump. Remove the oil pump observation cover, check the direction of the oil pump, and check the high and low pressure range. Put the forklift in place, install the lifting motor wire rope, and install the forklift extension arm. Make an extension cable for the motor, cover the motor extension cable with a high-temperature resistant sheath, roll it with a rolling belt, and wrap both sides with tape. Install the spare coupling.

[0012] (2) Worker No. 1 uses an electric wrench and socket to remove the flange screws, uses a wrench to remove the two anchor screws at the non-junction box end of the motor, and uses a crowbar to separate the motor and the oil pump; Staff No. 2 used a wrench to remove the two anchor screws at the end of the junction box, and removed the motor junction box and power cord. Staff No. 2 first tested the electricity with an electrician's tester, and then installed a grounding wire before using a cross screwdriver and socket to remove the motor junction box and power cord.

[0013] (3) Forklift hoisting: Worker No. 1 hoists out the old motor, hoists the new motor with a forklift, aligns the new motor, uses a long-handled flat-blade screwdriver to align the coupling and nylon rod from the oil pump observation well, screws the motor flange and the oil pump flange together, and installs two anchor screws; Staff No. 2 connects the main motor power cord. If the power cord needs to be extended, connect the extension cord to the new motor in advance before shutdown, and prepare the docking terminals or three sets of screws; install two anchor screws at the terminal end of the junction box and connect the fan power cord.

[0014] (4) Before stopping the machine, lay out the wires and press the terminal lugs. Prepare a cooling fan wire and a temperature signal wire at the motor site, prepare a pressure sensor wire and a start-up signal wire at the press site, prepare three power input wires, three inverter output wires, module power wires and star-to-delta signal wires in the power distribution cabinet, and cover the power wires and control wires and mark the terminals. (5) Shutdown work: The third staff member cuts off the main power circuit breaker of the power distribution cabinet, pulls out the fuse, connects the three-phase power line of the drive cabinet to the upper screw of the fuse, connects the three-phase output line of the drive cabinet with the motor output line with the wiring terminal, connects the main contactor and the normally open auxiliary contact, makes the drive cabinet, driver, and start signal, and installs the transformer; Staff member No. 4 coordinated with the on-site press supervisor to evacuate the hydraulic pump, install the pressure sensor, connect the wires, install the press control cabinet stamping signal wire, and make emergency preparations; (6) Turn on the machine: Determine the direction of the machine head, determine the direction of the motor cooling fan, and determine whether the pressure is normal.

[0015] It is worth noting that in step (5), before the third worker cuts off the main power circuit breaker of the power distribution cabinet, he first uses an electric test pen to test the electricity and then touches the switch of the disassembled motor with the back of his finger before construction. The emergency treatment preparation of the fourth worker includes: a spare inverter, installation feet, set parameters, seamless connection, a spare motor, and a manual for emergency solution of the problem.

[0016] This specific implementation method needs to take emergency measures during the disassembly and assembly process. If there is a problem with the system control: first standby, unscrew the system pressure solenoid valve handle counterclockwise, adjust the system pressure, and change the standby frequency, low frequency setting, and high frequency setting on the touch screen. If there is a touch screen failure: first stop the machine, unscrew the system pressure solenoid valve handle counterclockwise, adjust the system pressure, and modify the inverter parameters.

[0017] This specific implementation method significantly shortens the time required to restore a press machine to production to 30 minutes through process improvement and division of labor optimization, while reducing costs and increasing efficiency, effectively improving the economic benefits of the enterprise, and has broad market application prospects.

[0018] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. Disassembly and assembly process of permanent magnet servo motor for ceramic hydraulic press, It is characterized in that The steps are: (1) Preparation: Worker No. 1 and Worker No. 2 prepare disassembly and assembly tools, make support pads under the oil pump, remove the oil pump observation cover, check the direction of the oil pump, and check the high and low pressure range; put the forklift in place, install the hoisting motor wire rope, and install the forklift extension arm; make the motor extension cable and install the spare coupling; (2) Worker No. 1 uses an electric wrench and socket to remove the flange screws, uses a wrench to remove the two anchor screws at the non-junction box end of the motor, and uses a crowbar to separate the motor and the oil pump; Worker No. 2 uses a wrench to remove the two anchor screws at the junction box end, and removes the motor junction box and power cord; (3) Forklift lifting: Worker No. 1 lifts out the old motor, lifts the new motor with a forklift, and aligns the new motor; Worker No. 2 connects the main motor power cord, installs the two anchor screws at the terminal box, and connects the fan power cord; (4) Before stopping the machine, lay out the wires and press the terminal lugs. Prepare a cooling fan wire and a temperature signal wire at the motor site, prepare a pressure sensor wire and a start-up signal wire at the press site, prepare three power input wires, three inverter output wires, module power wires and star-to-delta signal wires in the power distribution cabinet, and cover the power wires and control wires and mark the terminals. (5) Shutdown work: Staff No. 3 cuts off the main power circuit breaker of the power distribution cabinet, pulls out the fuse, connects the three-phase power line of the drive cabinet to the upper screw of the fuse, connects the three-phase output line of the drive cabinet with the motor output line with the wiring terminal, connects the main contactor and normally open auxiliary contact, makes the drive cabinet, driver, and start signal, and installs the mutual inductor; Staff No. 4 coordinates the on-site press supervisor to evacuate the hydraulic pump, install the pressure sensor, connect the wires, install the press control cabinet stamping signal line, and make emergency preparations; (6) Turn on the machine: Determine the direction of the machine head, determine the direction of the motor cooling fan, and determine whether the pressure is normal.

2. The permanent magnet servo motor disassembly and assembly process for a ceramic hydraulic press according to claim 1, It is characterized in that In the step (1), the motor extension cord is covered with a high temperature resistant sheath, and is rolled with a rolling belt and then wrapped with adhesive tape on both sides.

3. The permanent magnet servo motor disassembly and assembly process for a ceramic hydraulic press according to claim 1, It is characterized in that In the step (2), the second worker first uses an electric test pen to test the electricity, and then uses a cross screwdriver and a socket to remove the motor junction box and the power cord after installing the ground wire.

4. The permanent magnet servo motor disassembly and assembly process for a ceramic hydraulic press according to claim 1, It is characterized in that In step (3), worker No. 1 positions the new motor, uses a long-handled flat-blade screwdriver to align the coupling and the nylon rod from the oil pump observation well, screws the motor flange and the oil pump flange together, and installs two anchor screws.

5. The permanent magnet servo motor disassembly and assembly process for a ceramic hydraulic press according to claim 1, It is characterized in that In the step (3), the second worker connects the main motor power cord. If the power cord needs to be extended, the extension cord should be connected to the new motor in advance before shutdown, and the docking terminals or three sets of screws should be prepared.

6. The permanent magnet servo motor disassembly and assembly process for a ceramic hydraulic press according to claim 1, It is characterized in that In the step (5), before the third worker cuts off the main power circuit breaker of the distribution cabinet, he first uses an electric test pen to test the electricity and then touches the switch of the disassembled motor with the back of his finger before construction.

7. The permanent magnet servo motor disassembly and assembly process for a ceramic hydraulic press according to claim 1, It is characterized in that The emergency response preparation of the fourth staff member in step (5) includes: a spare inverter, additional installation feet, setting parameters, seamless connection, and a spare motor.