CN206882534U - Device for adjusting tightness of double-rotation belt on progressive die - Google Patents

Abstract

The utility model discloses a device for adjusting the tightness of a double-revolving belt on a progressive die, which belongs to the technical field of dies. It includes a rotor part, a stator part, and a belt adjustment device; the belt adjustment device includes: for belt adjustment of the rotor part: a first tensioning gear, a first tensioning wheel, and a sliding plate for adjusting the first belt tensioning wheel; Belt adjustment of the stator part: the second tensioning gear, the second tensioning wheel and the second belt tensioning wheel adjustment sliding plate. The utility model can solve the problem of inconsistency in the rotation angle between the stator and rotor iron cores due to poor adjustment of the tightness of the belt when the stator and rotor iron core of the motor is subjected to double-rotation sleeve punching on a pair of multi-station progressive dies. Problems that are correct and affect normal punching speed.

Description

A device for adjusting the tightness of the double rotary belt on the progressive die

technical field

The utility model relates to a device for adjusting the tightness of a double-revolving belt on a progressive die, which belongs to the technical field of dies.

Background technique

Motor stator and rotor core products are stamped with a pair of progressive die sets, which can improve the stamping accuracy and stamping speed of the product. However, there are certain technical requirements for the stator and rotor iron cores to be simultaneously rotated at a large angle during the stamping process, that is, the punched rotor punches and the stator punches are rotated at an angle of 90 degrees and 180 degrees (stator blanking). Rotate 180 degrees, rotor blanking rotates 90 degrees). Because the rotating power of the blanking die on the progressive die comes from the power source outside the mold, that is, the rotating device on the punching machine, to transfer the power source on the punching machine to the rotating part blanking die in the progressive die, only through Driven by the belt, the rotating device on the punching machine drives the pulley. The pulley passes through the belt and then drives the pulley on the mold. The pulley on the mold drives the rotor blanking die and the stator blanking die to rotate 90 degrees and 180 degrees each time. Among them, the belt plays a connecting role in the two rotating gears. If the tightness of the belt is not well controlled, it will affect the accuracy requirements of the stamping product and the stamping speed.

Utility model content

In order to control the tightness of the belt, the utility model adds a structure for adjusting the tightness of the belt between the multi-station progressive die and the two rotating devices. The tensioning gear and the tensioning wheel on this structure can conveniently adjust the tightness of the belt. Adjustment to increase the stamping speed of the progressive die and ensure the stamping accuracy requirements of the motor stator and rotor core.

The device provided by the utility model for adjusting the tightness of double-turn belts on a progressive die includes a rotor part, a stator part, and a belt adjustment device;

The rotor part includes a first rotating device, a first pulley, a first belt, a second pulley and a rotor blanking die; the second pulley and the rotor blanking die are installed on the lower die part of the mold;

The stator part includes a second rotating device, a third pulley, a second belt, a fourth pulley and a stator blanking die; the fourth pulley and the stator blanking die are installed on the lower mold part of the mold;

The first rotating device and the second rotating device are installed on the positioning plate of the rotating device, and the first rotating device and the second rotating device are connected by a coupling;

The belt adjustment device includes: for the belt adjustment of the rotor part: the first tensioning gear, the first tensioning wheel and the first belt tensioning wheel adjustment sliding plate; for the belt adjustment of the stator part: the second tensioning gear , the second tensioner and the second belt tensioner to adjust the sliding plate;

The belt adjustment device is installed on the tensioner fixed plate, the tensioner fixed plate is installed on the lower backing plate of the punch press, the large mold backing plate is installed on the lower backing plate of the punch press, and the lower mold part of the mold is installed on the big backing plate of the mold.

The utility model provides a device for adjusting the tightness of the double-rotation belt on the progressive die, which can solve the problem of the double-rotation sleeve punching of the stator and rotor iron core of the motor on a pair of multi-station progressive die due to the tightness of the belt. If the adjustment is not good, the rotation angle between the stator and rotor core punches will be incorrect and affect the normal punching speed, so as to achieve the purpose of safe and normal punching of the multi-station progressive die on the high-speed punching machine. Under the high-speed stamping of the punching machine, it can ensure the smooth and normal stamping work of the progressive die and meet the precision requirements of the stamping product size, which can avoid the large-scale scrapping of the stamping parts during the stamping process, and is suitable for motor core parts. High-speed stamping requirements, while ensuring the precision of the multi-station progressive die under high-speed stamping and the service life of the die, it is suitable for the mass production of motor core parts. It is also applicable to the structure of other common cold stamping dies.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of the utility model, wherein, 1: the first rotating device, 2: the first pulley, 3: the first belt, 4: the first tensioner, 5: the fixed plate of the tensioner , 6: The first belt tensioner adjustment sliding plate, 7: The first tensioner gear, 8: The lower backing plate of the punch press, 9: The upper big backing plate of the mold, 10: The lower mold part of the mold, 11: Coupling, 12 : the second rotating device, 13: the third pulley, 14: the second belt, 15: the second tensioner gear, 16: the second tensioner wheel, 17: the second belt tensioner adjustment sliding plate, 18: the second Pulley, 19: the fourth pulley, 20: positioning plate of the rotating device, 21: rotor blanking die, 22: stator blanking die.

Fig. 2 is an enlarged view of a part of the belt adjustment device in Fig. 1 .

detailed description

As shown in Figure 1, the device used to adjust the tightness of the double rotary belt on the progressive die includes:

Rotor part: the first rotating device 1 , the first pulley 2 on the first rotating device 1 , the first belt 3 , the second pulley 18 on the mould, and the rotor blanking die 21 . The rotor part is used to drive the rotor blanking die 21 to rotate 90 degrees.

Stator part: the second rotating device 12, the third belt pulley 13 on the second rotating device, the second belt 14, the fourth belt pulley 19 on the mold and the stator blanking die 22. Partial effect of the stator is to drive the stator blanking die 22 to rotate 180 degrees.

The first rotating device 1 and the second rotating device 12 are installed on the rotating device positioning plate 20 .

Belt adjustment device, including:

Rotor part: the first tensioning gear 7, the first tensioning wheel 4 and the first belt tensioning wheel adjustment sliding plate 6, the effect is to adjust the degree of tightness of the installation of the first belt 3.

Stator part: the second tensioning gear 15, the second tensioning wheel 16 and the second belt tensioning wheel adjust the sliding plate 17, and the effect is the tightness of the second belt 14 installation.

The belt adjustment device is installed on the tensioner fixed plate 5, and the tensioner fixed plate 5 is installed on the lower backing plate 8 of the punch press.

The progressive die is installed on the lower backing plate 8 of the punch press by the big backing plate 9 of the mold, the lower mold part 10 of the mold is installed on the big backing plate 9 of the mold, the second pulley 18, the rotor blanking die 21, the fourth pulley 19 and the stator The blanking die 22 is installed on the lower mold part 10 of the mold.

The way to adjust the tightness of the belt during the progressive die is:

Rotor part: The rotor blanking die rotates 90 degrees once every time it is punched during work. The method of driving the rotation is: the first rotating device 1 on the punching machine drives the first pulley 2, and the first pulley 2 passes through the first belt. 3. Drive the second belt pulley 18 on the mold again, and the second belt pulley 18 on the mold drives the rotor blanking die 21 to rotate 90 degrees once. The tightness of the first belt 3 is adjusted by the rotor belt adjusting device composed of the first tensioning gear 7, the first tensioning wheel 4 and the first belt tensioning wheel adjustment sliding plate 6, and the first belt tensioning wheel adjusts Slide plate 6 moves to the left and belt will be tightened up; Move belt to the right and will loosen.

Stator part: The stator blanking die rotates 180 degrees once every time it is punched during work. The method of driving the rotation is: the second rotating device 12 on the punch press drives the third pulley 13, and the third pulley 13 passes through the second Belt 14 drives the 4th belt pulley 19 on the mold again, and the 4th belt pulley 19 on the mold drives stator blanking die 22 to rotate 180 degree once. The tightness of the second belt 14 is adjusted by the stator belt adjustment device composed of the second tensioning gear 15, the second tensioning wheel 16 and the second belt tensioning wheel adjustment sliding plate 17, and the second belt tensioning wheel adjusts the sliding Moving the plate 17 to the left will tighten the belt; moving it to the right will loosen the belt.

Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any person familiar with this technology can make various changes and modifications without departing from the spirit and scope of the utility model. modification, so the scope of protection of the utility model should be defined by the claims.

Claims (3)

1. A device for adjusting the tightness of double rotary belts on a progressive die, characterized in that it includes a rotor part, a stator part, and a belt adjustment device; the rotor part includes a first rotating device, a first pulley, a first belt , the second pulley and the rotor blanking die; the second pulley and the rotor blanking die are installed on the lower mold part of the mold; the stator part includes the second rotating device, the third pulley, the second belt, the fourth pulley and The stator blanking die; the fourth pulley and the stator blanking die are installed on the lower mold part of the mold; the belt adjustment device includes: for the belt adjustment of the rotor part: the first tensioning gear, the first tensioning pulley and The first belt tensioner adjustment sliding plate; for the stator belt adjustment: the second tensioner gear, the second tensioner and the second belt tensioner adjustment sliding plate. 2. A device for adjusting the tightness of double rotary belts on a progressive die according to claim 1, wherein the first rotating device and the second rotating device are installed on the rotating device positioning plate, and the first rotating device It is connected with the second rotating device through a coupling. 3. A device for adjusting the tightness of the double-turn belt on the progressive die according to claim 1, characterized in that the belt adjustment device is installed on the tensioner fixing plate, and the tensioner fixing plate is installed under the punch On the backing plate, the large backing plate of the mold is installed on the lower backing plate of the punch press, and the lower part of the mold is installed on the large backing plate of the mold.