CN217667760U

CN217667760U - Multifunctional progressive die for rear cover of motor

Info

Publication number: CN217667760U
Application number: CN202221292706.6U
Authority: CN
Inventors: 李望章; 宁广福; 陈毅
Original assignee: Zhejiang Deye Motor Technology Co ltd
Current assignee: Zhejiang Deye Motor Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-28
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a multi-functional modulus of continuity of lid behind motor, including last mould and lower mould, go up and be equipped with the tapping station between mould and the lower mould, the tapping station includes die block, tapping die holder, worm wheel, tap sleeve and tap, and the die block is installed on the lower mould, and tapping die holder and worm are installed on last mould, and die block and tapping die holder correspond from top to bottom, and the worm wheel is rotatable to be installed on the die block, and the worm screw connects soon in the internal thread hole of worm wheel, and the worm wheel is connected with tap sleeve transmission, and the tap is installed on the tap sleeve. Make behind the motor lid can once only be moulded on the modulus of continuity through the tapping station to greatly reduced cost of labor makes production efficiency improve moreover.

Description

Multifunctional progressive die for rear cover of motor

Technical Field

The utility model relates to a stamping forming mould, concretely relates to lid multi-functional modulus of continuity behind motor.

Background

The rear motor cover is a cover body arranged at the rear end of a motor and is formed by punching an iron sheet through a connecting die, as shown in figure 1, the structure of the rear motor cover 1 comprises a cover body-shaped shell 2, a central hole 3 is formed in the shell, a bearing chamber 4 is further arranged at the position of the central hole 3, threaded holes 5 are respectively formed in two sides of the bearing chamber, a notching station, a stretching station and a cutting station are required to pass through in the forming process on a progressive die, specifically, a blank material sequentially passes through 8 stations through a continuous feeding device, the 1 st station is used for blanking and tearing of a blank material, the 2 nd and 3 rd stations are used for cold extrusion of a riveting point, the 4 th station is used for punching a central hole, the 5 th station is used for flanging, hole flanging and forming, the 6 th station is used for shaping the bearing chamber 4, the 7 th station is used for cutting an installation part, the 8 th station is used for cutting a product and dropping, the final threaded hole 5 needs to be additionally formed on a drill for tapping, and cannot be formed on the progressive die at one time, so that the labor intensity of workers is increased, and meanwhile, the production efficiency is lower and a certain cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims to provide a take multi-functional modulus of continuity of lid behind motor of tapping station to greatly reduced cost of labor makes production efficiency improve moreover.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a multi-functional modulus of continuity of lid behind motor, includes mould and lower mould, goes up and is equipped with the tapping station between mould and the lower mould, the tapping station includes die block, tapping die holder, worm wheel, tap sleeve and tap, and the die block is installed on the lower mould, and tapping die holder and worm are installed on last mould, and die block and tapping die holder correspond from top to bottom, the rotatable installation of worm wheel is on the die block, the worm screw thread connects soon in the internal thread hole of worm wheel, the worm wheel with the transmission of tap sleeve is connected, the tap is installed the tap sleeve on.

Install worm wheel seat on the die block, the worm wheel passes through the rotatable installation of bearing on the worm wheel seat be connected with drive gear on the worm wheel, install output gear on the tap sleeve still install middle composite gear in the tapping die holder, this middle composite gear includes gear wheel and pinion, the pinion pass through the hold-in range with drive gear transmission is connected, the gear wheel with output gear meshing transmission.

The tapping die is characterized in that the outer wall of the tapping sleeve is provided with a bearing and then is installed in the tapping die holder, the outer wall of the tapping sleeve is provided with a thread part, the tapping die holder is internally provided with a rotatable thread pitch sleeve, and the thread pitch sleeve is in threaded connection with the thread part.

And a force unloading spring is arranged between the inner wall of the tapping die holder and the end surface of the tapping sleeve.

The bottom die and the lower die are further provided with buffer springs and a plurality of equal-height bolts, and the end parts of the equal-height bolts penetrate through the lower die and are in threaded connection with the bottom die.

The utility model has the advantages that: lid behind the motor is at the modulus of continuity extrusion in-process, carry out the tapping to the hole site through the tap station and form the screw hole, in the tapping process because the tap sleeve moves along with last mould up-and-down motion, when going up the mould and moving down, the worm drives the worm wheel and rotates, the worm wheel drives the tapping rotation and moves down along with last mould simultaneously, just so can tap tooth formation screw hole to the hole site position after punching a hole, go up the mould and shift up when the return, the worm shifts up and drives the worm wheel and circles round, just so just also drive circling round and shift up of tap, make the lid at the direct one-time shaping of the forming process of this modulus of continuity behind the motor, need not other tapping operation, thereby greatly reduced cost of labor, and make production efficiency improve.

The present invention will be further described with reference to the accompanying drawings and detailed description.

Drawings

FIG. 1 is a structural diagram of a rear cover of a motor in the background art;

FIG. 2 is a block diagram of an embodiment of the present invention;

fig. 3 is a structural diagram of a tapping station in the embodiment of the present invention.

Detailed Description

The present invention is described in detail below with reference to the following examples, which are only used for further illustration of the present invention, and should not be construed as limiting the scope of the present invention.

As shown in fig. 2 and fig. 3, this embodiment discloses a multi-functional modulus of continuity of lid behind motor, including last mould 1 and lower mould 2, go up and be provided with the shaping that 9 stations are used for lid behind the motor between mould 1 and the lower mould 2, blank material 3 loops through this 9 stations one-time forming through continuous feeding device, and the difference of this 9 stations is acted on and is:

the 1 st station 4 is used for blanking and tearing the blank 3;

the 2 nd and 3 rd stations (5 and 6) are used for cold extrusion of riveting points;

punching a center hole at a 4 th station 7;

the 5 th station 8 is used for flanging, hole flanging and forming;

the 6 th station 9 is used for shaping the bearing chamber;

the 7 th station 10 is used for tapping at a hole flanging position, and the tapping specification is metric thread M4;

the 8 th station 11 is used for cutting the installation part;

the 9 th station 12 is for the cut products to fall off.

The 7 th station is used as a tapping station 10, other stations are used for punch forming or shearing through a detachable core part and a matched bottom die, the structure of the core part and the structure of the matched bottom die are designed according to the shape and the technological requirements of a product, the core part and the matched bottom die are a conventional technical means, the detachable installation is used for producing rear covers of motors with various specifications, the 7 th station is used for tapping at a hole position of the tapping station 10 for hole flanging, the tapping station 10 comprises a bottom die 101, a tapping die holder 102, a worm 103, a worm wheel 104, a tapping sleeve 105 and a tapping 106, the bottom die 101 is installed on the lower die 2, the tapping die holder 102 and the worm 103 are installed on the upper die 1, the bottom die 101 corresponds to the tapping die holder 102 up and down, the worm wheel 104 is rotatably installed on the bottom die 101, the worm 103 is screwed in an internal threaded hole of the worm wheel 104, the worm wheel 104 is in transmission connection with the tapping sleeve 105, the tapping 106 is installed on the tapping sleeve 105, so that the upper die 1 drives the tapping 106 to move down through the transmission of the worm wheel 103.

A worm wheel seat 107 is installed on the bottom die 101, a worm wheel 104 is rotatably installed on the worm wheel seat 107 through a bearing, a transmission gear 20 is connected to the worm wheel 104, an output gear 40 is installed on the tapping sleeve 30, an intermediate combination gear 50 is further installed in the tapping die holder 102, the intermediate combination gear 50 comprises a large gear 501 and a small gear 502, the small gear 502 is in transmission connection with the transmission gear 20 through a synchronous belt, and the large gear 501 is in meshing transmission with the output gear 40, so that the rotating speed of the tap 106 follows the up-and-down moving speed. The rotation and transmission of the worm wheel 104 are more reliable and stable through the structure.

The outer wall of the tapping sleeve 30 is provided with a bearing and then is installed in the tapping die holder 102, the outer wall of the tapping sleeve 30 is provided with a thread portion, a rotatable thread pitch sleeve 60 is arranged in the tapping die holder 102, and the thread pitch sleeve 60 is in threaded connection with the thread portion. The tapping device is adjusted according to the required screw pitch, so that a more accurate tapping effect is achieved.

The force-unloading spring 70 is arranged between the inner wall of the tapping die holder 102 and the end face of the tapping sleeve 30, the force-unloading spring 70 ensures that the tapping 106 has good stability in the tapping process, the output can be prevented from being blocked too fast, the bottom die 101 and the lower die 2 are also provided with the buffer spring 90 and further comprise a plurality of equal-height bolts 80, and the end parts of the equal-height bolts 80 penetrate through the lower die 2 and are in threaded connection with the bottom die 101. This configuration also provides a cushion for the die block 101, both of which cushion and relief spring 70 prevent tapping from jamming during tapping.

Adopt above-mentioned technical scheme, the lid is at the modulus of continuity extrusion in-process behind the motor, accessible tap 106 station is carried out the tapping and is formed the screw hole to the hole site, in the tapping process because tap sleeve 30 moves from top to bottom along with last mould 1, when going up mould 1 and moving down, worm 103 drives worm wheel 104 and rotates, worm wheel 104 drives the tapping rotation and moves down along with last mould 1 simultaneously, just so can tap the tooth and form the screw hole to the hole site position after punching a hole, when going up the return on the mould 1, worm 103 shifts up and drives worm wheel 104 and circles round, just so also drive revolving round and shifting up of tap 106, make the lid directly disposable shaping in the forming process of this modulus of continuity behind the motor, need not other tapping operation, thereby greatly reduced the cost of labor, and make production efficiency improve.

The utility model discloses a lid and shell installation high accuracy requirement behind the realization motor, but multi-process, many varieties product production, lid are tensile behind the motor, attack tooth multi-process and are used for continuous mould the inside.

The utility model discloses a modulus of continuity still has following advantage:

1. and exchanging a plurality of sets of multi-process mold cores. The mold core can be quickly disassembled and exchanged in the upper mold 1 of the punch press without disassembling the progressive mold, and the exchange of the cores of the progressive molds of one type and variety can be completed within 30 minutes, so that the mold exchanging time of the progressive mold is greatly saved.

2. The development cost of the die is greatly saved for various product models. For example: the development cost of the multi-process continuous die for stretching and tapping the rear cover of one motor is estimated to be about 15 ten thousand RMB, one set of development cost of the core of the continuous die is about 2 ten thousand RMB, and the multi-process continuous die for stretching and tapping the rear cover of the motor can be simultaneously provided with more than 10 sets of core sleeves of the continuous die.

Claims

1. The utility model provides a multi-functional modulus of continuity of lid behind motor, includes mould and lower mould, its characterized in that: go up and be equipped with the tapping station between mould and the lower mould, the tapping station includes die block, tapping die holder, worm wheel, tap sleeve and tap, and the die block is installed on the lower mould, and tapping die holder and worm are installed on last mould, and die block and tapping die holder correspond from top to bottom, the rotatable installation of worm wheel is on the die block, the worm screw thread connects soon in the internal thread hole of worm wheel, the worm wheel with the transmission of tap sleeve is connected, the tap is installed the tap sleeve on.

2. The multifunctional progressive die for the rear cover of the motor as claimed in claim 1, wherein: install worm wheel seat on the die block, the worm wheel passes through the rotatable installation of bearing on the worm wheel seat be connected with drive gear on the worm wheel, install output gear on the tap sleeve still install middle composite gear in the tapping die holder, this middle composite gear includes gear wheel and pinion, the pinion pass through the hold-in range with drive gear transmission is connected, the gear wheel with output gear meshing transmission.

3. The multifunctional progressive die for the rear cover of the motor as claimed in claim 2, wherein: the outer wall of the tapping sleeve is provided with a bearing and then is installed in the tapping die holder, the outer wall of the tapping sleeve is provided with a thread part, the tapping die holder is internally provided with a rotatable thread pitch sleeve, and the thread pitch sleeve is in threaded connection with the thread part.

4. The multifunctional progressive die for the rear cover of the motor as claimed in claim 3, wherein: and a force unloading spring is arranged between the inner wall of the tapping die holder and the end face of the tapping sleeve.

5. The multifunctional progressive die for the rear cover of the motor as claimed in claim 1, wherein: the bottom die and the lower die are also provided with a buffer spring and a plurality of equal-height bolts, and the end parts of the equal-height bolts penetrate through the lower die and are in threaded connection with the bottom die.