CN217727065U

CN217727065U - Punch structure for positioning hole of stator end cover

Info

Publication number: CN217727065U
Application number: CN202221071497.2U
Authority: CN
Inventors: 濮奇伟
Original assignee: Wuxi Tongyue Precision Machinery Co ltd
Current assignee: Wuxi Tongyue Precision Machinery Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-11-04
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to a mould forges technical field, discloses a stator end cover locating hole terrace die structure, including the top mould, the bottom fixedly connected with briquetting of top mould, the middle part threaded connection of briquetting has locating lever and center post, the inside of top mould is provided with the perforation mechanism, the inside of briquetting is provided with takes off the material mechanism, the utility model discloses in, the knob rotates and drives the worm and rotates, and the worm rotates and drives inside and outside double gear rotation, and inside and outside double gear rotation can drive master gear and pinion and rotate simultaneously, and the master gear rotates and drives the rotation of main nut, and then drives the locating lever and remove, and pinion rotates and drive the rotation of deputy nut, and then drive the center post and remove, and whole in-process briquetting is pressed on the top of shaping article all the time, and the locating lever can receive the spacing of briquetting at the rebound in-process, along straight line rebound, can not squint, and the locating hole damage that the collision caused has been guaranteed the integrality of shaping article.

Description

Punch structure for positioning hole of stator end cover

Technical Field

The utility model relates to a mould forges technical field, especially relates to a stator end cover locating hole terrace die structure.

Background

The stator end cover generally refers to the cover at both ends of the motor with the axial dimension larger than the radial dimension, and the main function is to determine the space position of the shaft of the rotor, certainly need to be matched with bearings with different forms, and is connected to the shell for fixing the motor stator through the end cover, so as to ensure the gap between the rotor and the stator, a positioning hole is arranged on the end cover, and the positioning hole is cast and formed by adopting a male die, wherein the male die is a part used for forming the inner surface of a product in a die, namely a part taking the appearance as a working surface.

When the male die is used for casting the positioning hole, the defects are as follows: firstly, ordinary terrace die adopts the integral type structure, and ordinary form removal adopts the mode of whole direct rebound, and during whole direct rebound, the briquetting leaves the shaping article earlier, and the locating lever removes the unable rectilinear movement that guarantees among the in-process, and easy collision shaping article causes the locating hole damaged, and secondly the in-process of form removal, briquetting can bond when forging with the shaping article together, so the briquetting shifts up and probably drives the shaping article rebound together, needs the manual work to carry out manual part, leads to the fact the damage to the shaping article easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a male die structure for positioning holes of a stator end cover.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a male die structure for positioning holes of a stator end cover comprises a top die, wherein a pressing block is fixedly connected to the bottom end of the top die, a positioning rod and a central column are in threaded connection with the middle of the pressing block, a punching mechanism is arranged inside the top die, and a stripping mechanism is arranged inside the pressing block;

the punching mechanism comprises an inner gear, an outer gear, a main gear and auxiliary gears, wherein the inner peripheries of the inner gear and the outer gear are meshed with the main gear, and the outer peripheries of the inner gear and the outer gear are meshed with a plurality of auxiliary gears;

the material removing mechanism comprises a material removing ring, a top plate and a rubber pad, wherein the inner periphery of the top plate is in threaded connection with the lower portion of the outer periphery of the central column, the bottom end of the top plate is fixedly connected to the top end of the material removing ring, and the bottom end of the material removing ring is fixedly connected with the rubber pad.

Furthermore, the punching mechanism further comprises a knob and a worm, wherein the middle part of the worm is connected with an inner gear and an outer gear in a meshed mode, and the outer end of the worm is fixedly connected with the knob.

Further, the perforating mechanism also comprises a main nut, the outer periphery of the main nut is fixedly connected to the inner periphery of the main gear, and the inner periphery of the main nut is in threaded connection with the outer periphery of the central column.

Further, the perforating mechanism still includes vice nut, the equal fixed connection of periphery of vice nut is in the inner periphery of pinion, the equal threaded connection in inner periphery of vice nut is in the periphery of locating lever.

Further, the perforating mechanism further comprises a support ring and an annular groove, the annular groove is formed in the bottom ends of the inner gear and the outer gear, the inner wall of the annular groove is connected with the support ring in a sliding mode, and the bottom end of the support ring is fixedly connected to the inner wall of the bottom end of the top die.

Furthermore, take off material mechanism still includes the cavity, the cavity sets up in the inside of briquetting, the inner wall sliding connection of cavity has the roof.

Furthermore, the stripping mechanism further comprises an annular hole, the annular hole is formed in the bottom end of the cavity, and a stripping ring is connected to the inner wall of the annular hole in a sliding mode.

Furthermore, the positioning rod and the central column are both in the structure of an upper thread and a lower round rod.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, after the casting was accomplished, twist and move the knob, the knob rotates and drives the worm and rotate, the worm rotates and drives inside and outside double gear and rotates, the interior week and the periphery of inside and outside double gear all are provided with the tooth piece, inside and outside double gear rotates and can drive the master gear and rotate with the pinion simultaneously, the master gear rotates and drives the main nut and rotate, and then drive the locating lever and remove, the pinion rotates and drives the auxiliary nut and rotate, and then drive the center post and remove, before the form removal, shift up the inside of briquetting with the center post earlier with the locating lever, whole in-process briquetting is pressed all the time on the top of shaping article, the locating lever can receive the spacing of briquetting at the rebound in-process, along sharp rebound, can not squint, avoid the locating hole damage that the collision caused, the integrality of shaping article has been guaranteed.

2. The utility model discloses in, the inner week of the outer periphery lower part threaded connection of center post at the roof, the in-process that the center post shifted up can drive the roof rotatory, wait the center post when moving completely to the briquetting inside, the screw thread portion and the roof separation of center post, the roof no longer with center post threaded connection, the roof loses spacingly can drop downwards under the action of gravity, take off the material ring and fall down from annular hole, the collision is on the top of shaping article, force shaping article and briquetting separately, the form removal is carried out again this moment, shaping article can not shift up along with the briquetting, the purpose of separately shaping article and briquetting has been reached, avoid bonding.

Drawings

Fig. 1 is a front view of a positioning hole male die structure of a stator end cover according to the present invention;

fig. 2 is a schematic view of a punching mechanism of a stator end cover positioning hole male die structure provided by the present invention;

fig. 3 is a transmission structure diagram of a punching mechanism of a punch structure of a positioning hole of a stator end cover;

fig. 4 is a sectional view of an inner and outer double gears of the male die structure for positioning holes of the stator end cover of the present invention;

fig. 5 is the utility model provides a stator end cover locating hole terrace die structure take off material mechanism schematic diagram.

Illustration of the drawings:

1. carrying out top die; 2. briquetting; 3. positioning a rod; 4. a central column; 5. a material stripping mechanism; 501. material removing ring; 502. a top plate; 503. a cavity; 504. an annular hole; 505. a rubber pad; 6. a punching mechanism; 601. a knob; 602. a worm; 603. an inner and outer double gear; 604. a main gear; 605. a main nut; 606. a pinion gear; 607. a secondary nut; 608. a support ring; 609. an annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a male die structure for a positioning hole of a stator end cover comprises a top die 1, wherein a pressing block 2 is fixedly connected to the bottom end of the top die 1, the pressing block 2 can be pressed at the top end of a formed product to promote forming, a positioning rod 3 and a center column 4 are in threaded connection with the middle of the pressing block 2, the positioning rod 3 is a die of the positioning hole, a punching mechanism 6 is arranged inside the top die 1, the punching mechanism 6 can avoid damage of the positioning hole caused by collision of the positioning rod 3, a stripping mechanism 5 is arranged inside the pressing block 2, and the stripping mechanism 5 can force the formed product to be separated from the pressing block 2 to avoid bonding;

the perforating mechanism 6 comprises an inner and outer double gears 603, a main gear 604 and a pinion 606, the inner circumference of the inner and outer double gears 603 is connected with the main gear 604 in a meshing way, the outer circumference of the inner and outer double gears 603 is meshed with a plurality of pinions 606, the perforating mechanism 6 further comprises a knob 601 and a worm 602, the middle part of the worm 602 is connected with the inner and outer double gears 603 in a meshing way, the outer end of the worm 602 is fixedly connected with the knob 601, the perforating mechanism 6 further comprises a main nut 605, the outer circumference of the main nut 605 is fixedly connected with the inner circumference of the main gear 604, the inner circumference of the main nut 605 is in threaded connection with the outer circumference of the central column 4, the perforating mechanism 6 further comprises a pinion 607, the outer circumference of the pinion 607 is fixedly connected with the inner circumference of the pinion 606, the inner circumference of the pinion 607 is in threaded connection with the outer circumference of the positioning rod 3, the knob 601 is screwed, the worm 601 rotates to drive the worm 602 to rotate, the worm 602 rotates to drive the inner and outer double gears 603, the inner and outer circumferences of the inner and outer gears 603 are provided with gear blocks, the inner and outer double gears 603 rotate to drive the main gear 604 and the auxiliary gear 606 to rotate simultaneously, the main gear 604 rotates to drive the main nut 605 to rotate, the positioning rod 3 is driven to move, the auxiliary gear 606 rotates to drive the auxiliary nut 607 to rotate, and the central column 4 is driven to move, before the die is disassembled, the positioning rod 3 and the central column 4 are firstly moved up to the inside of the pressing block 2, the pressing block 2 is always pressed at the top end of the formed product in the whole process, the positioning rod 3 is limited by the pressing block 2 in the upward moving process, the upward moving along a straight line can not deviate, the damage of a positioning hole caused by collision can be avoided, the integrity of the formed product can be ensured, the perforating mechanism 6 further comprises a supporting ring 608 and an annular groove 609, the annular groove 609 is arranged at the bottom ends of the inner and outer double gears 603, the inner wall of the annular groove 609 is connected with the supporting ring 608 in a sliding manner, and the bottom end of the supporting ring 608 is fixedly connected to the inner wall at the bottom end of the top die 1, the top end of the support ring 608 moves in the rotating process of the inner and outer double gears 603, the support ring 608 plays a supporting role and cannot block the rotation of the inner and outer double gears 603, the positioning rod 3 and the central column 4 are both in the structure of upper threads and a lower round rod, the round rod at the part entering the lower die is ensured, and the part connected with the pressing block 2 is in a threaded structure;

the stripping mechanism 5 comprises a stripping ring 501, a top plate 502 and a rubber pad 505, the inner periphery of the top plate 502 is in threaded connection with the lower portion of the outer periphery of a central column 4, the bottom end of the top plate 502 is fixedly connected to the top end of the stripping ring 501, the bottom end of the stripping ring 501 is fixedly connected with the rubber pad 505, the stripping mechanism 5 further comprises a cavity 503, the cavity 503 is arranged inside a pressing block 2, the inner wall of the cavity 503 is slidably connected with the top plate 502, the stripping mechanism 5 further comprises an annular hole 504, the annular hole 504 is arranged at the bottom end of the cavity 503, the inner wall of the annular hole 504 is slidably connected with the stripping ring 501, the top plate 502 can be driven to rotate in the upward moving process of the central column 4, when the central column 4 completely moves to the inside of the pressing block 2, the threaded portion of the central column 4 is separated from the top plate 502, the top plate 502 is not in threaded connection with the central column 4, the top plate 502 can drop downwards under the action of gravity, the stripping ring 501 falls from the annular hole 504, the top end of the pressing block is collided with the top end of the forming product, the forming product is forced to be separated from the pressing block 2, and the forming product is separated from the pressing block 2.

The working principle is as follows: after casting, the knob 601 is screwed, the knob 601 rotates to drive the worm 602 to rotate, the worm 602 rotates to drive the inner and outer double gears 603 to rotate, the inner and outer peripheries of the inner and outer double gears 603 are provided with toothed blocks, the inner and outer double gears 603 rotate to drive the main gear 604 and the pinion 606 to rotate simultaneously, the main gear 604 rotates to drive the main nut 605 to rotate, and further drive the positioning rod 3 to move, the pinion 606 rotates to drive the pinion 607 to rotate, and further drive the central column 4 to move, before stripping, the positioning rod 3 and the central column 4 are moved up into the inside of the molded product, the pressing block 2 is always pressed at the top end of the molded product in the whole process, the positioning rod 3 is limited by the pressing block 2 in the upward moving process, the positioning rod moves up along a straight line without deviation, so as to avoid damage caused by collision, the integrity of the positioning hole is ensured, the lower part of the outer periphery of the central column 4 is in the inner periphery of the top plate 502, the central column 4 drives the top plate 502 to rotate, when the central column 4 completely moves into the inside of the molded product, the hole is separated from the top end of the top plate 502, the molded product is not dropped under the action of gravity, the forming of the central column 501, and the molded product is separated from the top end of the molded product, and the molded product is separated from the central column 504.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a stator end cover locating hole terrace die structure, includes top mould (1), its characterized in that: a pressing block (2) is fixedly connected to the bottom end of the top die (1), a positioning rod (3) and a central column (4) are in threaded connection with the middle of the pressing block (2), a punching mechanism (6) is arranged inside the top die (1), and a stripping mechanism (5) is arranged inside the pressing block (2);

the perforating mechanism (6) comprises an inner double gear (603) and an outer double gear (603), a main gear (604) and a secondary gear (606), the inner periphery of the inner double gear (603) is meshed with the main gear (604), and the outer periphery of the inner double gear (603) is meshed with a plurality of secondary gears (606);

the stripping mechanism (5) comprises a stripping ring (501), a top plate (502) and a rubber pad (505), the inner circumference of the top plate (502) is in threaded connection with the lower portion of the outer circumference of the central column (4), the bottom end of the top plate (502) is fixedly connected to the top end of the stripping ring (501), and the bottom end of the stripping ring (501) is fixedly connected with the rubber pad (505).

2. The male die structure for the positioning hole of the stator end cover is characterized in that: the punching mechanism (6) further comprises a knob (601) and a worm (602), the middle of the worm (602) is connected with an inner gear and an outer gear (603) in a meshed mode, and the outer end of the worm (602) is fixedly connected with the knob (601).

3. The male die structure for the positioning hole of the stator end cover is characterized in that: the perforating mechanism (6) further comprises a main nut (605), the outer periphery of the main nut (605) is fixedly connected with the inner periphery of the main gear (604), and the inner periphery of the main nut (605) is in threaded connection with the outer periphery of the central column (4).

4. The male die structure for the positioning hole of the stator end cover is characterized in that: the perforating mechanism (6) further comprises an auxiliary nut (607), the outer periphery of the auxiliary nut (607) is fixedly connected to the inner periphery of the auxiliary gear (606), and the inner periphery of the auxiliary nut (607) is in threaded connection with the outer periphery of the positioning rod (3).

5. The male die structure for the positioning hole of the stator end cover as claimed in claim 1, wherein: the perforating mechanism (6) further comprises a support ring (608) and an annular groove (609), the annular groove (609) is formed in the bottom ends of the inner gear and the outer gear (603), the inner wall of the annular groove (609) is connected with the support ring (608) in a sliding mode, and the bottom end of the support ring (608) is fixedly connected to the inner wall of the bottom end of the top die (1).

6. The male die structure for the positioning hole of the stator end cover as claimed in claim 1, wherein: the stripping mechanism (5) further comprises a cavity (503), the cavity (503) is arranged inside the pressing block (2), and the inner wall of the cavity (503) is connected with a top plate (502) in a sliding mode.

7. The male die structure for the positioning hole of the stator end cover is characterized in that: the stripping mechanism (5) further comprises an annular hole (504), the annular hole (504) is arranged at the bottom end of the cavity (503), and the inner wall of the annular hole (504) is connected with a stripping ring (501) in a sliding mode.

8. The male die structure for the positioning hole of the stator end cover is characterized in that: the positioning rod (3) and the central column (4) are both in the structure of upper threads and lower round rods.