CN203817431U - Special purpose machine tool capable of integrally processing motor cover - Google Patents

Abstract

The utility model provides a special purpose machine tool capable of integrally processing a motor cover and aims to solve the problem that an exclusive site and equipment are required for processing seam allowance of the motor cover to complete assembling of the motor cover and a stator. The key points of the special purpose machine tool are as follows: a fixture and the stator are sequentially mounted on a machine tool transitional disc, and the stator is positioned by the fixture; an improved feed mechanism is as follows: a push rod provided with a flange plate at the outer end is used for replacing a tip of the feed mechanism; a gland is connected onto the flange plate in a manner that the opening is outwards; the internal diameter of the gland is the same as that of the motor cover; the feed mechanism pushes the motor cover towards the direction of the stator and presses the motor stator into the motor cover to realize cold-pressing assembling of the motor cover and the stator, and machining is carried out after the assembling is completed. The special purpose machine tool has the following benefits: the assembling of the motor cover and the stator and processing of an assigned part are completed in one set of equipment, so that the production efficiency is improved, and expenses of heating equipment and the site are reduced.

Description

The special purpose machine tool of whole processing electric machine casing

Technical field

The utility model belongs to a kind of lathe, specifically a kind of lathe for realizing motor casing and stator cold-pressing assembly and carrying out appointed part processing.

Background technology

The processing mode of electric machine casing seam has two kinds: a kind of is separately to motor casing part processing, after processing and stator assemble; Another kind is by after motor casing and stator assembling, then motor casing appointed part is processed.Because motor casing and stator are interference fit, conventional assembling mode is for carrying out hot charging after motor casing heating.In view of the foregoing, these two kinds of modes all need special place and equipment to complete the assembling of motor casing and stator.

Summary of the invention

For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of special purpose machine tool of whole processing electric machine casing, it is sectional fixture and stator successively on lathe transition disc, stator is positioned, propulsive mechanism after improvement is to stator direction pushing motor shell, motor stator is pressed in motor casing, realizes the cold-pressing assembly of motor casing and stator, after having assembled, carry out machining.

The purpose of this utility model is achieved in that it comprises transition disc, pull bar and the propulsive mechanism on main shaft, is characterized in that:

It also comprises fixture, this fixture is: pull bar, connecting rod, joint pin, upper connecting base and piston ring connect to form axial moving device successively, joint pin wherein, upper connecting base and piston ring are assemblied on central shaft, joint pin is through central shaft, connecting rod and upper connecting base are linked together, base, transition seat, coil location seat connect to form clamp base successively, be assemblied on axial moving device, the inner end of central shaft is fixed on base, axial moving device can be moved along central shaft, and the outer end of central shaft has two ring annular grooves at least; Floor installation is on transition disc;

Fixture also comprises coils protective hood, specifically in the center of circle at the cover end, establish installing hole, in inner side, the cover end, along cover end diametric(al), establish two and lead to passage installing hole, that hold spring, each passage is tapered near a section of installing hole, making the bead in passage can expose passage but not drop out passage, is the screw of spring and holddown spring successively above bead; The installing hole of coils protective hood is enclosed within on a cannelure on central shaft; bead falls into cannelure location in the effect of spring; cover mouth is towards stator; with the coil on protection stator; the taper of coils protective hood mid portion; make the diameter of cover mouth be greater than the cover diameter at the end, cover mouth is identical with the two external diameter of stator.The effect of the taper forming is with guiding to the gland in advancing;

Said propulsive mechanism is, with the push rod of the flanged dish in outer end, replaces the top of propulsive mechanism, and gland is connected on ring flange with mouth direction outwardly, and the two internal diameter of gland and motor casing is identical.

Processing is initial, first by stator sleeve on the piston ring of fixture, secondly coils protective hood is arranged on a cannelure of suitable central shaft, make stator adjacent with coil protect cover, then motor casing be enclosed within on coils protective hood; Machine tool hydraulic cylinder pulls pull bar to move, and whole axial moving device comprises that piston ring and stator move thereupon, and stator inner end leans against on positioning seat, and under the conical surface effect of central shaft, piston ring is by spreading simultaneously, and the frictional force between piston ring and stator increases, and makes stator location.Propulsive mechanism is under the effect of its oil cylinder, and gland stretches out to motor casing, and under the guiding of protective sleeve, gland is pushed motor casing to stator, realizes motor casing and stator interference assembling.After motor casing is in place, propulsive mechanism is return, and starts the processing of motor casing.After machining, pull bar resets, and piston ring unclamps, and the motor stator (live chassis) that takes off protective cover and be processed into, carries out the replacing of workpiece.

Compared with prior art, good effect of the present utility model is: on an equipment, complete the assembling of motor casing and stator and the processing of appointed part, improved production efficiency; Reduced the expenditure in firing equipment and place; Be provided with and have two ring annular grooves at least, can be for the processing of (comprising stator) of different length motor casing.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, further illustrate the utility model.

Fig. 1 is schematic diagram of the present utility model.

Fig. 2 is the fixture schematic diagram in Fig. 1.

Fig. 3 is the schematic diagram of the propulsive mechanism in Fig. 1.

The specific embodiment

Referring to Fig. 1, it comprises the transition disc 4 on main shaft 100, pull bar 1 and propulsive mechanism 300, it also comprises fixture 200, referring to Fig. 2, this fixture is: pull bar 1, connecting rod 2, joint pin 9, upper connecting base 10 and piston ring 14 connect to form axial moving device successively, joint pin 9 wherein, upper connecting base 10 and piston ring are assemblied on central shaft 7, joint pin is through central shaft, connecting rod and upper connecting base are linked together, base 5, transition seat 8, coil location seat 11 connects to form clamp base successively, be assemblied on axial moving device, the inner end of central shaft is fixed on base, axial moving device can be moved along central shaft, there are two ring annular grooves 23 outer end of central shaft, floor installation is on transition disc, the 3rd, screw, for cylinder lever connecting rod and connecting rod, the 6th, lining, 12 and 13 is sealing rings,

Fixture also comprises coils protective hood 17, specifically in the center of circle at the cover end, establish installing hole, in inner side, the cover end, along cover end diametric(al), establish two and lead to passage installing hole, that hold spring, each passage is tapered near a section of installing hole, making the bead 20 in passage can expose passage but not drop out passage, is the screw 18 of spring 19 and holddown spring successively above bead; The installing hole of coils protective hood is enclosed within on a cannelure 23 on central shaft, bead falls into cannelure location in the effect of spring, cover mouth is towards stator 15, with the coil on protection stator, coils protective hood mid portion taper 24, make the diameter of cover mouth be greater than the cover diameter at the end, cover mouth is identical with stator 15 the two external diameter; The effect of the taper forming is with guiding to the gland in advancing;

Referring to Fig. 3, said propulsive mechanism is, with the push rod 25 of the flanged dish 22 in outer end, replaces the top of propulsive mechanisms, and gland 21 is connected on ring flange with mouth direction outwardly, and the two internal diameter of gland and motor casing is identical.

Processing is initial, first by stator sleeve on the piston ring of fixture, secondly coils protective hood is arranged on a cannelure of suitable central shaft, make stator adjacent with coil protect cover, then motor casing 16 be enclosed within on coils protective hood; Machine tool hydraulic cylinder pulls pull bar 1 to move left, whole axial moving device comprises that piston ring and stator are moved to the left thereupon, and stator inner end leans against on positioning seat, simultaneously under the conical surface effect of central shaft piston ring by spreading, frictional force between piston ring and stator increases, and makes stator location.Propulsive mechanism oil cylinder A chamber oiling, push rod and gland stretch out left, and under the guiding of protective sleeve, gland is pushed motor casing to stator, realizes motor casing and stator interference assembling.After motor casing is in place, propulsive mechanism B chamber oiling, propulsive mechanism moves to right, and machine tool starts motor casing to process to the position of appointment.After machining, pull bar resets, and piston ring unclamps, and the motor stator (live chassis) that takes off protective cover and be processed into, carries out the replacing of workpiece.

Claims (1)

1. integral body is processed a special purpose machine tool for electric machine casing, and it comprises transition disc, pull bar and propulsive mechanism on main shaft, it is characterized in that:

It also comprises fixture, this fixture is: pull bar, connecting rod, joint pin, upper connecting base and piston ring connect to form axial moving device successively, joint pin wherein, upper connecting base and piston ring are assemblied on central shaft, joint pin is through central shaft, connecting rod and upper connecting base are linked together, base, transition seat, coil location seat connect to form clamp base successively, be assemblied on axial moving device, the inner end of central shaft is fixed on base, axial moving device can be moved along central shaft, and the outer end of central shaft has two ring annular grooves at least; Floor installation is on transition disc;

Fixture also comprises coils protective hood, specifically in the center of circle at the cover end, establish installing hole, in inner side, the cover end, along cover end diametric(al), establish two and lead to passage installing hole, that hold spring, each passage is tapered near a section of installing hole, making the bead in passage can expose passage but not drop out passage, is the screw of spring and holddown spring successively above bead; The installing hole of coils protective hood is enclosed within on a cannelure on central shaft, bead falls into cannelure location in the effect of spring, covers mouth towards stator, the taper of coils protective hood mid portion, make the diameter of cover mouth be greater than the cover diameter at the end, cover mouth is identical with the two external diameter of stator;

Said propulsive mechanism is, with the push rod of the flanged dish in outer end, replaces the top of propulsive mechanism, and gland is connected on ring flange with mouth direction outwardly, and the two internal diameter of gland and motor casing is identical.