CN112975383A - Starter rotor coil outlet head compresses tightly frock - Google Patents
Starter rotor coil outlet head compresses tightly frock Download PDFInfo
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- CN112975383A CN112975383A CN202110228174.3A CN202110228174A CN112975383A CN 112975383 A CN112975383 A CN 112975383A CN 202110228174 A CN202110228174 A CN 202110228174A CN 112975383 A CN112975383 A CN 112975383A
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- hole
- pressing plate
- groove
- pressing
- outlet head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
Abstract
The invention provides a starter rotor coil outlet head pressing tool, which comprises: a tool body; the pressing plate frame is fixedly connected to the tool body, and a plurality of pressing plates are uniformly arranged on the circumference of the front end of the pressing plate frame; each pressing plate slides along the radial direction of the pressing plate frame; the front end surface of the wedge block is an inclined surface and is connected to the tool body in a vertically sliding manner; the rear end face of the sliding ring is an inclined plane, and the inclination of the sliding ring is the same as that of the front end face of the wedge block; the inner cavity of the sliding ring comprises a round hole part and a taper hole part, the taper hole part is positioned at the front end and is outwards opened, the round hole part is sleeved on the pressing plate frame in a front-back sliding manner along the horizontal direction, and the taper hole part is sleeved on all the pressing plates; and the pressing plate retaining ring is fixedly connected to the tool body and abuts against the front ends of all the pressing plates. The wedge block is pressed to slide downwards, so that the sliding ring is pushed to slide forwards, the pressing plate is pressed downwards by the taper hole part, the wire outlet head is pressed into the second groove, the wire outlet head is pressed in at one time, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of rotor assembly, in particular to a starter rotor coil outlet head pressing tool.
Background
As shown in fig. 1, starter rotor 200 includes iron core 201, coil 202, rotating shaft 203, and commutator 204. A plurality of first grooves 2011 are uniformly distributed on the periphery of the iron core 201. The coil 202 is installed in the first slot 2011, the coil 202 is a double-layer lap winding, and each slot has two coil outlet ends, namely an outer-layer outlet end 2021 and an inner-layer outlet end 2022. A plurality of second grooves 2041 are uniformly distributed on the periphery of the commutator 204, and the number of the second grooves 2041 is the same as that of the first grooves 2011. The coil wire outlet ends 2021, 2022 are inserted into the second groove 2041 around the commutator.
Since the diameter of the position where the first groove 2011 is located is larger than the diameter of the position where the second groove 2041 is located; therefore, after the commutator 204 is pressed in, the inner-layer outlet head 2022 is inserted into the second groove 2041 around the commutator 204, but is not tightly attached to the groove bottom, and the outer-layer outlet head 2022 is still located outside the second groove 2041, as shown in fig. 2, the outlet heads 2021, 2022 need to be knocked in and tightly knocked into the second groove 2041 one by a hand with a hammer, so that the production efficiency is low, and the labor cost is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a starter rotor coil outlet head pressing tool which can adapt to mechanical operation and simultaneously press an outlet head in a groove at one time, so that the production efficiency is improved.
The invention is realized by the following steps: the utility model provides a starter rotor coil outlet head compresses tightly frock, includes:
a tool body;
the pressing plate frame is fixedly connected to the tool body, and a plurality of pressing plates are uniformly arranged on the circumference of the front end of the pressing plate frame; each pressing plate slides along the radial direction of the pressing plate frame;
the front end surface of the wedge block is an inclined surface and is connected to the tool body in a vertically sliding manner;
the rear end face of the sliding ring is an inclined plane, and the inclination of the sliding ring is the same as that of the front end face of the wedge block; the inner cavity of the sliding ring comprises a round hole part and a taper hole part, the taper hole part is positioned at the front end and is outwards opened, the round hole part is sleeved on the pressing plate frame in a front-back sliding manner along the horizontal direction, and the taper hole part is sleeved on all the pressing plates;
and the pressing plate retaining ring is fixedly connected with the tool body and abuts against the front ends of all the pressing plates.
Further, the frock body includes:
the front vertical plate is provided with a first through hole, a plurality of second through holes and a plurality of third through holes along the front-back direction, and the bottom of the first through hole is provided with a first through groove;
the rear vertical plate is provided with a fourth through hole, the first through hole and the fourth through hole are positioned on the same central line, and the top of the fourth through hole is provided with a second through groove;
and the bottom plate is positioned under the wedge block and is provided with a plurality of blind holes.
Further, the pressing plate frame sequentially comprises from front to back
The front end surface of the large-diameter section is provided with an annular groove and a plurality of radially and uniformly distributed grooves; the number of the grooves is equal to that of the pressing plates;
a medium diameter section;
the small-diameter section is provided with a key groove;
the shaft center of the pressing plate frame is also provided with a step through hole, and the step through hole comprises a large hole section at the front end and a small hole section at the rear end;
the rear end of the small hole section is provided with internal threads.
Further, the bolt comprises a flat key, a flat washer and a first bolt;
the small-diameter section is inserted into the fourth through hole, and the flat key is respectively embedded into the key groove and the second through groove;
the first bolt penetrates through the flat washer and then is locked into the internal thread from the rear end of the rear vertical plate.
Furthermore, the device also comprises a clamp spring and a first spring; the number of the first springs is equal to that of the pressure plates;
one end of the pressing plate is provided with a semi-circular arc inclined surface, and the inclination of the semi-circular arc inclined surface is the same as that of the taper hole part;
the pressing plate is also provided with a rectangular through hole; the width and the thickness of the rectangular through hole are equal;
the clamp spring penetrates through all the rectangular through holes of the pressing plate; the first spring is arranged in the rectangular through hole, the top end of the first spring abuts against the top surface of the inner side of the rectangular through hole, and the bottom end of the first spring abuts against the clamp spring; the jump ring imbeds in the annular, just the clamp plate one-to-one inserts in the recess, the semicircle inclined plane with the laminating of taper hole portion.
Furthermore, a longitudinal through groove is formed in the rear end of the wedge block, and the longitudinal through groove is in clearance fit with the width of the rear vertical plate;
the wedge block is thick at the top and thin at the bottom;
the wedge block is provided with an avoidance through hole which is through from front to back, and the width of the avoidance through hole is larger than the outer diameter of the middle-diameter section;
the rear vertical plate is embedded into the longitudinal through groove, and the avoidance through hole of the wedge block is sleeved on the middle diameter section and moves up and down along the rear vertical plate;
the slip ring is sleeved outside the large-diameter section and is in clearance fit, and the rear end of the slip ring is lapped on the front end face of the wedge block.
Further, a second spring is also included;
the number of the second springs is equal to that of the blind holes;
the second springs are arranged in the blind holes in a one-to-one correspondence mode, the bottom ends of the second springs abut against the bottom surfaces of the blind holes, and the top ends of the second springs abut against the bottom surfaces of the wedge blocks.
Further, also includes
A plurality of positioning pins are fixedly embedded into the second through holes in a one-to-one correspondence manner and protrude out of the rear end of the front vertical plate;
the third springs are equal to the positioning pins in number and are sleeved on the positioning pins in a one-to-one correspondence mode, one end of each third spring abuts against the rear end face of the corresponding front vertical plate, and the other end of each third spring abuts against the front end face of the corresponding sliding ring.
Further, a second bolt is further included;
the front end surface of the pressing plate baffle ring is provided with a blind tooth hole;
the number of the blind tooth holes, the number of the second bolts and the number of the third through holes are equal;
and the second bolts penetrate through the third through holes in a one-to-one correspondence manner and then are locked into the blind tooth holes.
Further, the device also comprises a rotor positioning piece, wherein the rotor positioning piece comprises an upper positioning block and a lower positioning block;
the lower positioning block is embedded into the first through groove and is in tight fit with the first through groove;
the upper positioning block radially protrudes out of the first through groove.
The invention has the following advantages: the invention provides a starter rotor coil outlet head pressing tool, which comprises: a tool body; the pressing plate frame is fixedly connected to the tool body, and a plurality of pressing plates are uniformly arranged on the circumference of the front end of the pressing plate frame; each pressing plate slides along the radial direction of the pressing plate frame; the front end surface of the wedge block is an inclined surface and is connected to the tool body in a vertically sliding manner; the rear end face of the sliding ring is an inclined plane, and the inclination of the sliding ring is the same as that of the front end face of the wedge block; the inner cavity of the sliding ring comprises a round hole part and a taper hole part, the taper hole part is positioned at the front end and is outwards opened, the round hole part is sleeved on the pressing plate frame in a front-back sliding manner along the horizontal direction, and the taper hole part is sleeved on all the pressing plates; and the pressing plate retaining ring is fixedly connected to the tool body and abuts against the front ends of all the pressing plates. The wedge block is pressed to slide downwards, so that the sliding ring is pushed to slide forwards, the pressing plate is pressed downwards by the taper hole part, the wire outlet head is pressed into the second groove, the wire outlet head is pressed in at one time, and the production efficiency is improved.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a starter rotor in the prior art.
Fig. 2 is a schematic diagram of a starter rotor coil outlet of the prior art without compression.
Fig. 3 is a schematic structural diagram of a starter rotor coil outlet head pressing tool of the present invention.
Fig. 4 is a schematic structural view of the tooling body in the present invention.
FIG. 5 is a schematic view of the assembly structure of the pressure plate of the present invention.
Fig. 6 is a partially enlarged schematic view of F in fig. 5.
FIG. 7 is a schematic view of the structure of the platen frame according to the present invention.
FIG. 8 is a rear view of the platen frame according to the present invention.
Fig. 9 is a schematic structural view of a wedge in the present invention.
Fig. 10 is a schematic structural view of a slip ring according to the present invention.
FIG. 11 is a schematic view of a pressure plate retaining ring according to the present invention.
FIG. 12 is a schematic view of the structure of the pressing plate of the present invention.
Fig. 13 is a schematic structural view of a rotor positioning member according to the present invention.
Fig. 14 is a schematic view illustrating a use state of the starter rotor coil outlet head pressing tool according to the present invention.
Fig. 15 is a schematic view of a second use state of the starter rotor coil outlet head pressing tool of the present invention.
A description of the reference numerals;
a starter rotor coil outlet terminal pressing tool 100,
the tool body 1, a front vertical plate 11, a first through hole 111, a first through groove 1111, a second through hole 112, a third through hole 113, a rear vertical plate 12, a fourth through hole 121, a second through groove 1211, a bottom plate 13 and a blind hole 131;
the pressing plate frame 2, the large-diameter section 21, the groove 211, the ring groove 212, the middle-diameter section 22, the small-diameter section 23, the key groove 231, the stepped through hole 24, the large-hole section 241, the small-hole section 242 and the internal thread 2421;
a wedge 3, a longitudinal through groove 31, an escape through hole 32,
the slide ring 4, the circular hole portion 41, the taper hole portion 42,
a pressure plate retaining ring 5, a blind tooth hole 51;
the pressing plate 6, the semi-circular arc inclined surface 61 and the rectangular through hole 62;
a flat bond 7;
a flat washer 8;
a first bolt 9;
a clamp spring 10;
a first spring 20;
a second spring 30;
positioning pins 40;
a third spring 50;
a second bolt 60;
a rotor positioning member 70, an upper positioning block 701, and a lower positioning block 702.
Background art:
the core 201, the first groove 2011;
a coil 202, an outer layer wire outlet head 2021, and an inner layer wire outlet head 2022;
a rotating shaft 203;
Detailed Description
In the description of the invention, it is to be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings only for the convenience of describing the invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the invention.
In the description of the invention, it is to be noted that, unless explicitly stated or limited otherwise, the terms "disposed", "connected" and "connected" are to be understood broadly, e.g. fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention concept of the invention is as follows:
the pressing plates 6 correspond to the second grooves 2041 one by one, and when the wire pressing device is used, pressure is applied to the wedge blocks 3 to enable the wedge blocks to slide downwards, so that the sliding ring 4 is pushed to slide forwards, the pressing plates 6 are pressed downwards by the taper hole parts 42, the wire outlet heads 2021 and 2022 are pressed into the second grooves 2041, all the wire outlet heads 2021 and 2022 are pressed simultaneously at one time, and production efficiency is improved.
Please refer to fig. 1 to 15.
The invention discloses a starter rotor coil outlet head pressing tool 100, which comprises:
a tool body 1;
the pressing plate frame 2 is fixedly connected to the tool body 1, and a plurality of pressing plates 6 are uniformly arranged on the circumference of the front end of the pressing plate frame; each pressing plate 6 slides along the radial direction of the pressing plate frame 1; in a specific implementation, the number of the pressing plates 6 is the same as that of the second grooves 2041, and the pressing plates and the second grooves correspond to each other one by one;
the front end surface of the wedge block 3 is an inclined surface and is connected to the tool body 1 in a vertically sliding manner;
the rear end face of the sliding ring 4 is an inclined plane, and the inclination of the sliding ring is the same as that of the front end face of the wedge block 3; the inner cavity of the sliding ring 4 comprises a round hole part 41 and a taper hole part 42, the taper hole part 42 is positioned at the front end and is opened outwards, the round hole part 41 is sleeved on the pressing plate frame 2 in a sliding manner back and forth along the horizontal direction, and the taper hole part 42 is sleeved on all the pressing plates 6;
and the pressing plate retaining ring 5 is fixedly connected to the tool body 1 and abuts against the front ends of all the pressing plates 6, so that when the pressing plates 6 are pressed by the taper hole parts 42, the horizontal direction is limited and the pressing plates can only move vertically, and the outlet heads 2021 and 2022 are pressed into the second groove 2041. In specific implementation, the size of the outer diameter of the pressure plate baffle ring 5 only needs to meet the requirement that the pressure plate baffle ring does not collide with the taper hole part 42 of the sliding ring 4 in work, namely, the pressure plate baffle ring does not interfere with the front and back sliding of the sliding ring 4.
The tool body 1 includes:
the front vertical plate 11 is provided with a first through hole 111, a plurality of second through holes 112 and a plurality of third through holes 113 along the front-back direction, and the bottom of the first through hole 111 is provided with a first through groove 1111; in specific implementation, the iron core 201 is inserted into the first through hole 111 of the front vertical plate 11 in a clearance fit;
the rear vertical plate 12 is provided with a fourth through hole 121, the first through hole 111 and the fourth through hole 121 are on the same central line, and the top of the fourth through hole 121 is provided with a second through groove 1211;
and the bottom plate 13 is provided with a plurality of blind holes 131 under the wedge block 3. The blind hole 131 is used for installing a second spring 30 for resetting and is used for resetting the wedge block 3;
the pressing plate frame 2 sequentially comprises from front to back
The front end surface of the large-diameter section 21 is provided with an annular groove 212 and a plurality of radially and uniformly distributed grooves 211; the number of the grooves 211 is equal to that of the pressing plates 6; the ring groove 212 is used for mounting the clamp spring 10; the groove 211 is used for installing the pressure plate 6, and the two are in clearance fit, so that the pressure plate 6 can slide in the groove 211 along the radial direction;
a medium diameter section 22;
the small diameter section 23 is provided with a key groove 231;
a step through hole 24 is further formed in the axis of the pressing plate frame 2, and the step through hole 24 comprises a large hole section 241 at the front end and a small hole section 242 at the rear end; in a specific implementation, the commutator 204 is inserted into the large hole section 241 and is in clearance fit, the rotating shaft 203 is inserted into the small hole section 242 and is in clearance fit, the second grooves 2041 correspond to the pressure plates 6 one by one, and the pressure plates 6 are located on the outer circumference of the second grooves 2041;
the rear end of the small hole section 242 is provided with an internal thread 2421.
The bolt further comprises a flat key 7, a flat washer 8 and a first bolt 9;
the small diameter section 242 is inserted into the fourth through hole 121, and the flat key 7 is respectively inserted into the key slot 231 and the second through slot 1211;
the first bolt 9 passes through the flat washer 8 and then is locked into the internal thread 2421 from the rear end of the rear riser 12, thereby fixing the pressure plate frame 2 to the rear riser 12.
The spring also comprises a clamp spring 10 and a first spring 20; the number of the first springs 20 and the number of the pressure plates 6 are equal; the first spring 20 is used for resetting the pressure plate 6; the clamp spring 10 is used for bearing each first spring 20;
one end of the pressing plate 6 is provided with a semi-arc inclined surface 61, and the inclination of the semi-arc inclined surface is the same as that of the taper hole part 42;
the pressing plate 6 is also provided with a rectangular through hole 62; the width and the thickness of rectangle thru hole 62 equal for width and thickness can equal with first spring 20's external diameter, are clearance fit, after clamp plate 6 embedding recess 211, constitute the holding cavity of a square jointly for place and carry out spacing and direction to first spring 20, difficult emergence is crooked when making the compression of first spring 20 or the extension that resets, first spring 20 is arranged in behind the rectangle thru hole 62 promptly, the front and back is spacing by the front and back medial surface of rectangle thru hole 62, then about by the left and right sides of recess 211 is spacing.
The clamp spring 10 penetrates through all the rectangular through holes 62 of the pressing plate 6; the first spring 20 is arranged in the rectangular through hole 62, the top end of the first spring abuts against the top surface of the inner side of the rectangular through hole 62, and the bottom end of the first spring abuts against the clamp spring 10; the snap spring 10 is embedded in the ring groove 212, the pressing plates 6 are inserted into the groove 211 in a one-to-one correspondence manner, the semi-circular arc inclined surface 61 is attached to the taper hole part 42, so that when the sliding ring 4 moves forwards along the axial direction, the taper hole part 42 presses the semi-circular arc inclined surface 61, the semi-circular arc inclined surface 61 is stressed by a forward downward oblique force, and the front end of the pressing plate 6 is pressed by the pressing plate baffle ring 5 to be limited, so that the pressing plate 6 can only move downwards in the groove 211 along the radial direction to press the wire outlet heads 2021 and 2022 of the inner ring to press the wire outlet heads into the second groove 2041.
A longitudinal through groove 31 is formed at the rear end of the wedge block 3, and the longitudinal through groove 31 is in clearance fit with the width of the rear vertical plate 12, so that the rear vertical plate 12 can be embedded into the longitudinal through groove 31, and the wedge block 3 can slide up and down along the rear vertical plate 12;
the wedge 3 is thick at the top and thin at the bottom, that is, the wedge 3 pushes the sliding ring 4 to move forward along the axial direction when moving downward, the pressing plate 6 is driven to move toward the center along the radial direction, the outlet head is pressed into the second groove 2041, when the wedge 3 is reset upward, the sliding ring 4 is reset backward along the axial direction, and the pressing plate 6 is reset outward along the radial direction;
the wedge block 3 is provided with an avoiding through hole 32 which is through from front to back, and the width of the avoiding through hole 32 is larger than the outer diameter of the middle diameter section 22, so that the wedge block 3 cannot interfere with the middle diameter section when sliding up and down;
the rear vertical plate 12 is embedded into the longitudinal through groove 31, and an avoiding through hole 32 of the wedge 3 is sleeved on the middle diameter section 22 and moves up and down along the rear vertical plate 12;
the sliding ring 4 is sleeved outside the large-diameter section 21 and is in clearance fit, and the rear end of the sliding ring 4 is lapped on the front end face of the wedge block 3.
A second spring 30; the second spring 30 is used for resetting and jacking the wedge 3, so that the wedge 3 slides upwards to reset;
the number of the second springs 30 and the blind holes 131 is equal;
the second springs 30 are disposed in the blind holes 131 in a one-to-one correspondence, and the bottom ends thereof abut against the bottom surfaces of the blind holes 131, and the top ends thereof abut against the bottom surfaces of the wedges 3.
Also comprises
A plurality of positioning pins 40 are fixedly embedded into the second through holes 112 in a one-to-one correspondence manner and protrude out of the rear end of the front vertical plate 11; the positioning pin 40 is not in contact with the sliding ring 4 and is used for guiding and limiting the third spring 50;
the third springs 50 are equal to the positioning pins 40 in number, are sleeved on the positioning pins 40 in a one-to-one correspondence manner, and have one ends abutting against the rear end faces of the front vertical plates 11 and the other ends abutting against the front end faces of the sliding rings 4. The third spring 50 is used for restoring the sliding ring 4, and when the sliding ring 4 is restored, the third spring 50 pushes the sliding ring 4 to move backwards along the axial direction. In specific implementation, it is only necessary to ensure that the lengths of the third spring 50 and the positioning pin 40 satisfy: the third spring 50 does not fall off from the positioning pin 40 after the return.
A second bolt 60;
the front end face of the pressure plate baffle ring 5 is provided with a blind tooth hole 51 which is an impermeable threaded hole;
the number of the blind tooth holes 51, the number of the second bolts 60 and the number of the third through holes 113 are equal;
the second bolts 60 are correspondingly inserted into the blind tooth holes 51 after passing through the third through holes 113, so that the pressing plate retainer ring 5 is fixed to the rear end of the front vertical plate 11.
The positioning device further comprises a rotor positioning element 70 which comprises an upper positioning block 701 and a lower positioning block 702; for positioning the rotor 200;
the lower positioning block 702 is embedded into the first through groove 1111 and is in tight fit with the first through groove 1111;
the upper positioning block 701 radially protrudes out of the first through groove 1111, and in an implementation, the upper positioning block 701 is inserted into any one of the first grooves 2011 of the rotor 200 and is in clearance fit, so as to position the rotor 200.
The assembly process of the invention is as follows:
in a specific embodiment, the snap spring 10 is strip-shaped and is clamped into the ring groove 212 and then limited by the ring groove 212; of course, the ring can also be made into a ring shape with the head and the tail not fixed together;
1. the clamp spring 10 penetrates through the rectangular through holes 62 of all the pressing plates 6, one end of the semicircular arc inclined surface 61 is uniformly outward along the radial direction and is obliquely uniform and faces backwards, and then two ends of the first spring 20 respectively abut against the clamp spring 10 and the side wall of the rectangular through hole 61 and are arranged along the radial direction; then, all the pressing plates 6 are correspondingly embedded into the grooves 211 one by one, and the snap springs 10 are simultaneously embedded into the ring grooves 212, so that the snap springs 10 are clamped on the inner side walls of the ring grooves 212.
2. The third spring 50 is placed in the blind hole 131, the taper hole portion 42 end of the sliding ring 4 is sleeved in from the small diameter end of the pressure plate frame 2, so that the round hole portion 41 is sleeved on the large diameter section 21, then the avoiding through hole 32 of the wedge 3 is sleeved in from the small diameter section 23 of the pressure plate frame 2, and the avoiding through hole 32 is sleeved on the medium diameter section 22, the flat key 7 is embedded in the key groove 231, then the thick end of the wedge 3 is upward, the wedge 3 is attached to the inclined surface of the sliding ring 4, the small diameter section 23 of the pressure plate frame 2 is inserted into the fourth through hole 121 on the rear vertical plate 12, so that the third spring 50 abuts against the bottom surface of the wedge 3, and the rear vertical plate 12 of the tool body 1 is embedded in the longitudinal through groove 31 on the back surface of the wedge 3, and then is fastened by the flat washer 8 and the first bolt 9.
3. The pressing plate baffle ring 5 is arranged on the inner wall of the front vertical plate 11 of the tool body 1 and is locked into the blind tooth hole 51 to be fastened after the second bolt 60 passes through the third through hole 113.
4. In operation, the pressure plate 6 moves back and forth in the radial direction in the space defined by the pressure plate baffle ring 5 and the radial groove 211 of the pressure plate frame 2.
The specific use mode is as follows:
the starter rotor coil outlet head pressing tool can be operated mechanically, for example, a press can be used as power, for example, an air cylinder is adopted, a piston rod is arranged vertically downwards, a pressing plate is fixed at the end part of the piston rod, a wedge block 3 is positioned below the pressing plate, the air cylinder drives the pressing plate to press the wedge block 3 upwards to move downwards, when the pressing plate is reset, the piston rod of the air cylinder retracts, and the wedge block 3 moves upwards under the action of a second spring 30.
(1) The tooling is fixed on a workbench right below a piston rod of a pneumatic press (not shown), then the front end of the rotor 200 to be compressed of the coil head 2021, namely the end containing the commutator 204, is inserted into the first through hole 111 of the front vertical plate 11, and the upper positioning block 701 is inserted into any first groove 2011 of the rotor 200 until the front end surface 2042 of the commutator 204 abuts against the bottom of the large hole section 241 of the pressure plate frame 2.
(2) Starting a switch of the pneumatic press, descending a piston rod to vertically press the wedge 3, compressing the second spring 30 under force to make the lower end surface of the wedge 3 abut against the bottom plate 13 of the tool body 1, making the sliding ring 4 move horizontally and forwards under the action of the front end inclined surface of the wedge 3, and making the pressing plates 6 synchronously move radially and inwards to push the coil heads 2021, 2022 into the second grooves 2041 of the commutator 204 and press the coil heads tightly under the action of the tapered hole parts 42 of the sliding ring 4 and the semi-arc inclined surfaces 61 of the pressing plates 6.
(3) The reset switch of the pneumatic press is started, the piston rod of the pneumatic press rises, under the action of the resilience force of the second spring 30, the wedge block 3 is forced to move upwards to reset, meanwhile, under the action of the resilience force of the third spring 50, the sliding ring 4 is forced to reset backwards, and under the action of the resilience force of the first spring 20, the pressing plates 6 are forced to reset outwards synchronously and radially, after the pressing work is finished, the rotor 200 is taken out.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (10)
1. The utility model provides a starter rotor coil outlet end compresses tightly frock which characterized in that: the method comprises the following steps:
a tool body;
the pressing plate frame is fixedly connected to the tool body, and a plurality of pressing plates are uniformly arranged on the circumference of the front end of the pressing plate frame; each pressing plate slides along the radial direction of the pressing plate frame;
the front end surface of the wedge block is an inclined surface and is connected to the tool body in a vertically sliding manner;
the rear end face of the sliding ring is an inclined plane, and the inclination of the sliding ring is the same as that of the front end face of the wedge block; the inner cavity of the sliding ring comprises a round hole part and a taper hole part, the taper hole part is positioned at the front end and is outwards opened, the round hole part is sleeved on the pressing plate frame in a front-back sliding manner along the horizontal direction, and the taper hole part is sleeved on all the pressing plates;
and the pressing plate retaining ring is fixedly connected with the tool body and abuts against the front ends of all the pressing plates.
2. The starter rotor coil outlet head pressing tool according to claim 1, characterized in that: the frock body includes:
the front vertical plate is provided with a first through hole, a plurality of second through holes and a plurality of third through holes along the front-back direction, and the bottom of the first through hole is provided with a first through groove;
the rear vertical plate is provided with a fourth through hole, the first through hole and the fourth through hole are positioned on the same central line, and the top of the fourth through hole is provided with a second through groove;
and the bottom plate is positioned under the wedge block and is provided with a plurality of blind holes.
3. The starter rotor coil outlet head pressing tool of claim 2, characterized in that: the pressing plate frame sequentially comprises from front to back
The front end surface of the large-diameter section is provided with an annular groove and a plurality of radially and uniformly distributed grooves; the number of the grooves is equal to that of the pressing plates;
a medium diameter section;
the small-diameter section is provided with a key groove;
the shaft center of the pressing plate frame is also provided with a step through hole, and the step through hole comprises a large hole section at the front end and a small hole section at the rear end;
the rear end of the small hole section is provided with internal threads.
4. The starter rotor coil outlet head pressing tool according to claim 3, characterized in that: the bolt further comprises a flat key, a flat washer and a first bolt;
the small-diameter section is inserted into the fourth through hole, and the flat key is respectively embedded into the key groove and the second through groove;
the first bolt penetrates through the flat washer and then is locked into the internal thread from the rear end of the rear vertical plate.
5. The starter rotor coil outlet head pressing tool according to claim 3, characterized in that: the clamping spring and the first spring are also included; the number of the first springs is equal to that of the pressure plates;
one end of the pressing plate is provided with a semi-circular arc inclined surface, and the inclination of the semi-circular arc inclined surface is the same as that of the taper hole part;
the pressing plate is also provided with a rectangular through hole; the width and the thickness of the rectangular through hole are equal;
the clamp spring penetrates through all the rectangular through holes of the pressing plate; the first spring is arranged in the rectangular through hole, the top end of the first spring abuts against the top surface of the inner side of the rectangular through hole, and the bottom end of the first spring abuts against the clamp spring; the jump ring imbeds in the annular, just the clamp plate one-to-one inserts in the recess, the semicircle inclined plane with the laminating of taper hole portion.
6. The starter rotor coil outlet head pressing tool according to claim 3, characterized in that: a longitudinal through groove is formed in the rear end of the wedge block, and the longitudinal through groove is in clearance fit with the width of the rear vertical plate;
the wedge block is thick at the top and thin at the bottom;
the wedge block is provided with an avoidance through hole which is through from front to back, and the width of the avoidance through hole is larger than the outer diameter of the middle-diameter section;
the rear vertical plate is embedded into the longitudinal through groove, and the avoidance through hole of the wedge block is sleeved on the middle diameter section and moves up and down along the rear vertical plate;
the slip ring is sleeved outside the large-diameter section and is in clearance fit, and the rear end of the slip ring is lapped on the front end face of the wedge block.
7. The starter rotor coil outlet head pressing tool according to claim 6, characterized in that: the device also comprises a second spring;
the number of the second springs is equal to that of the blind holes;
the second springs are arranged in the blind holes in a one-to-one correspondence mode, the bottom ends of the second springs abut against the bottom surfaces of the blind holes, and the top ends of the second springs abut against the bottom surfaces of the wedge blocks.
8. The starter rotor coil outlet head pressing tool according to claim 6, characterized in that: also comprises
A plurality of positioning pins are fixedly embedded into the second through holes in a one-to-one correspondence manner and protrude out of the rear end of the front vertical plate;
the third springs are equal to the positioning pins in number and are sleeved on the positioning pins in a one-to-one correspondence mode, one end of each third spring abuts against the rear end face of the corresponding front vertical plate, and the other end of each third spring abuts against the front end face of the corresponding sliding ring.
9. The starter rotor coil outlet head pressing tool according to claim 6, characterized in that: the second bolt is also included;
the front end surface of the pressing plate baffle ring is provided with a blind tooth hole;
the number of the blind tooth holes, the number of the second bolts and the number of the third through holes are equal;
and the second bolts penetrate through the third through holes in a one-to-one correspondence manner and then are locked into the blind tooth holes.
10. The starter rotor coil outlet head pressing tool of claim 2, characterized in that: the rotor positioning piece comprises an upper positioning block and a lower positioning block;
the lower positioning block is embedded into the first through groove and is in tight fit with the first through groove;
the upper positioning block radially protrudes out of the first through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110228174.3A CN112975383A (en) | 2021-03-02 | 2021-03-02 | Starter rotor coil outlet head compresses tightly frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110228174.3A CN112975383A (en) | 2021-03-02 | 2021-03-02 | Starter rotor coil outlet head compresses tightly frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112975383A true CN112975383A (en) | 2021-06-18 |
Family
ID=76351794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110228174.3A Pending CN112975383A (en) | 2021-03-02 | 2021-03-02 | Starter rotor coil outlet head compresses tightly frock |
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| Country | Link |
|---|---|
| CN (1) | CN112975383A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113783373A (en) * | 2021-09-17 | 2021-12-10 | 浙江松田汽车电机系统股份有限公司 | Device for enabling armature lead to enter commutator groove |
-
2021
- 2021-03-02 CN CN202110228174.3A patent/CN112975383A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113783373A (en) * | 2021-09-17 | 2021-12-10 | 浙江松田汽车电机系统股份有限公司 | Device for enabling armature lead to enter commutator groove |
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