CN216226377U

CN216226377U - Tensile structure of no pressure flitch of circular motor casing

Info

Publication number: CN216226377U
Application number: CN202122931536.3U
Authority: CN
Inventors: 令振江
Original assignee: Dongguan Zhengxiang Metal Technology Co ltd
Current assignee: Dongguan Zhengxiang Metal Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-08
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a non-pressure plate stretching structure of a circular motor casing, which relates to the technical field of motor casing processing and comprises an upper punch, wherein a lower punch is arranged at the lower end of the upper punch, an upper die holder is arranged on the outer surface of the upper punch, a lower cushion foot is arranged on the outer surface of the lower punch, an upper cushion plate is arranged on the outer surface of the upper die holder, an upper clamping plate is arranged on the outer surface of the upper cushion plate, a punch is arranged on the outer surface of the upper clamping plate, a lower cushion plate is arranged on the outer surface of the lower cushion plate, and a blanking hole is formed in the outer surface of the lower die holder. The replacement cost is high, and the problem of higher subsequent maintenance cost is caused.

Description

Tensile structure of no pressure flitch of circular motor casing

Technical Field

The utility model relates to the technical field of motor casing processing, in particular to a tension structure of a circular motor casing without a pressure plate.

Background

Circular motor casing tensile structure is a fashioned technique of pressure material, for a mould of production circular shape motor casing, present circular motor casing tensile structure generally needs the collocation pressure flitch to accomplish, press the material shaping through the pressure flitch, pressure flitch purchase nitrogen spring usually as the pressure source, the mould is in the use, the highest 100W of life of nitrogen gas just needs to be changed, the replacement cost is high, follow-up maintenance cost is higher, for this reason, staff in the field has proposed a circular motor casing non-pressure flitch tensile structure.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a stretching structure without a pressure plate for a circular motor casing, which solves the problems that the stretching structure for the circular motor casing is usually completed by matching with a pressure plate, the pressure plate is used for pressing and molding, a nitrogen spring is usually purchased as the pressure source, the service life of nitrogen is required to be changed for 100W times at most in the use process of a mould, the replacement cost is high, and the subsequent maintenance cost is high.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a tensile structure of circular motor casing non-pressure flitch, includes the punch press, the lower extreme of going up the punch press is provided with down the punch press, the surface of going up the punch press is provided with the upper die base, the surface of punch press is provided with down fills up the foot down, the surface of upper die base is provided with the upper padding plate, the surface of upper padding plate is provided with the punch, the surface of lower pad foot is provided with the lower bolster, the surface of lower bolster is provided with the die holder, blanking hole has been seted up to the surface of die holder, the surface of die holder is provided with the lower bolster body, the surface of lower bolster body is provided with the lower bolster income son, the surface of lower bolster body is provided with the limiting plate.

As a further technical scheme of the utility model, the upper die base is movably connected with the upper punch, and the upper padding plate is fixedly connected with the upper die base.

As a further technical scheme, the upper clamping plate is matched with the lower die plate, and the punch is cylindrical and is arranged on the outer surface of the upper clamping plate close to the middle.

As a further technical scheme of the utility model, the punch penetrates through the upper clamping plate and is fixedly connected with the upper backing plate.

As a further technical scheme, the upper backing plate is matched with the upper clamping plate, the middle positions of the lower template insert and the lower template are both in a cylindrical cavity shape, and the cavity is in a through shape.

As a further technical scheme of the utility model, the diameter of the punch is smaller than that of the cavity parts of the lower template insert and the lower template, and the blanking hole is square and penetrates through the lower die seat.

According to a further technical scheme of the utility model, the lower template insert is cylindrical, the cavity part at the upper end of the lower template insert is arc-shaped, the number of the limiting plates is four, the limiting plates are distributed in an array, and one end of each limiting plate, close to the lower template insert, is arc-shaped.

Advantageous effects

The utility model provides a tension structure without a pressure plate for a circular motor casing. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a circular motor casing non-pressure flitch tensile structure, through the upper die base, the lower bolster, the upper padding plate, the punch holder, the lower bolster, the die holder, the blanking hole, the lower bolster body, the effect of lower bolster income son and limiting plate, when using, drive the upper die base through the punch press, the upper die base drives the upper padding plate, the upper padding plate drives the punch holder, the punch holder drives the form of drift punching press downwards, it presses fashioned structure through pressing the flitch to have replaced former equipment, nitrogen spring has been avoided as the form of pressure source, and then need not change nitrogen spring, do not need the pressure source, thereby make whole tensile structure cost lower, and can be applicable to the tensile mould of most circular motor casing, thereby save the cost, reduce the waste of resource.

Drawings

FIG. 1 is a schematic structural diagram of a circular motor casing tension-free structure;

FIG. 2 is a partial cross-sectional front view of a circular motor casing tension-free plate structure;

fig. 3 is a partial front sectional view of a product before and after molding when a circular motor case tension-free plate stretching structure is used.

In the figure: 1. putting the blank on a punch press; 2. punching a lower punch; 3. an upper die holder; 4. a lower foot pad; 5. an upper base plate; 6. an upper splint; 7. a punch; 8. a lower base plate; 9. a lower die holder; 10. a blanking hole; 11. a lower template body; 12. a lower template insert; 13. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical scheme of a tension structure without a material plate for a circular motor casing: the utility model provides a tensile structure of circular motor casing non-pressure flitch, including last punch press 1, the lower extreme of going up punch press 1 is provided with down punch press 2, the surface of going up punch press 1 is provided with upper die base 3, the surface of lower punch press 2 is provided with lower bolster 4, the surface of upper die base 3 is provided with upper padding plate 5, the surface of upper padding plate 5 is provided with punch holder 6, the surface of punch holder 6 is provided with drift 7, the surface of lower bolster 4 is provided with lower bolster 8, the surface of lower bolster 8 is provided with die holder 9, blanking hole 10 has been seted up to the surface of die holder 9, the surface of die holder 9 is provided with lower bolster body 11, the surface of lower bolster body 11 is provided with lower bolster income sub 12, the surface of lower bolster body 11 is provided with limiting plate 13.

Referring to fig. 2-3, a in the drawing is a position of a workpiece which is not yet processed, B is a position of the workpiece when the workpiece is just formed into a finished product, the upper die base 3 is movably connected with the upper punch bed 1, the upper padding plate 5 is fixedly connected with the upper die base 3, the upper clamping plate 6 is matched with the lower die plate, the punch 7 is cylindrical and is arranged on the outer surface of the upper clamping plate 6 near the middle position, the punch 7 penetrates through the upper clamping plate 6 to facilitate the downward punch forming process of the punch 7 and is fixedly connected with the upper padding plate 5, the upper padding plate 5 is matched with the upper clamping plate 6, the middle positions of the lower die plate insert 12 and the lower die plate are cylindrical cavities, the cavities are through, the diameter of the punch 7 is smaller than the cavity parts of the lower die plate insert 12 and the lower die plate, so as to reserve a space for the processed workpiece and facilitate the forming, the blanking hole 10 is square and penetrates through the lower die base 9, the lower die insert 12 is cylindrical, and the cavity part of upper end is the cambered surface shape, the quantity of limiting plate 13 is four groups and for the array distribution, the one end that limiting plate 13 is close to lower bolster income 12 is the cambered surface shape, during the use, drive upper die base 3 through the punch press, upper die base 3 drives upper padding plate 5, upper padding plate 5 drives upper plate 6, upper plate 6 drives the form of drift 7 punching press downwards, original equipment has been replaced and the fashioned structure of pressure material is pressed through the pressure flitch, the form of nitrogen spring as the pressure source has been avoided, and then need not change nitrogen spring, do not need the pressure source, thereby make whole tensile structure cost lower, and can be applicable to most circular motor casing drawing die, thereby save the cost, reduce the waste of resource.

The working principle of the utility model is as follows: when the punching machine is used, a circular workpiece to be processed can be placed on the lower template insert 12 through a mechanical arm, the position of the workpiece to be processed is limited through the limiting plate 13, then the upper die holder 3 is driven through the punching machine, the upper die holder 3 drives the upper backing plate 5, the upper backing plate 5 drives the upper clamping plate 6, the upper clamping plate 6 drives the punch 7 to move downwards, the workpiece is extruded downwards through the head of the punch 7, the workpiece forms a cylindrical finished product sunken inwards from one end under the action of the impact force of the punch 7 and the lower template insert 12, then the upper die holder 3 is driven through the punching machine, the upper backing plate 5 is driven by the upper die holder 3, the upper clamping plate 6 is driven by the upper backing plate 5, the punch 7 is driven by the upper clamping plate 6 to move upwards, the finished product falls on the lower pad foot 4 through the blanking hole 10, the finished product is grabbed away by the mechanical arm and sent to the next step, and a new workpiece to be processed is placed on the lower template insert 12 by another set of mechanical arm, and processing the next group of workpieces.

Claims

1. The drawing structure of the round motor shell without the pressure plate comprises an upper punch (1) and is characterized in that a lower punch (2) is arranged at the lower end of the upper punch (1), an upper die base (3) is arranged on the outer surface of the upper punch (1), lower pad feet (4) are arranged on the outer surface of the lower punch (2), an upper padding plate (5) is arranged on the outer surface of the upper die base (3), an upper clamping plate (6) is arranged on the outer surface of the upper padding plate (5), a punch (7) is arranged on the outer surface of the upper clamping plate (6), a lower padding plate (8) is arranged on the outer surface of the lower pad feet (4), a lower die base (9) is arranged on the outer surface of the lower die base (8), blanking holes (10) are formed in the outer surface of the lower die base (9), a lower die body (11) is arranged on the outer surface of the lower die body (11), a lower die plate insert (12) is arranged on the outer surface of the lower die body (11), and a limiting plate (13) is arranged on the outer surface of the lower template body (11).

2. The drawing structure without the material plate for the circular motor casing is characterized in that the upper die holder (3) is movably connected with the upper punch (1), and the upper backing plate (5) is fixedly connected with the upper die holder (3).

3. The drawing structure without the material plate of the circular motor casing is characterized in that the upper clamping plate (6) is matched with the lower die plate, and the punch (7) is cylindrical and is arranged on the outer surface of the upper clamping plate (6) close to the middle.

4. The drawing structure without the material plate for the circular motor casing is characterized in that the punch (7) penetrates through the upper clamping plate (6) and is fixedly connected with the upper backing plate (5).

5. The drawing structure without the material plate of the circular motor casing is characterized in that the upper backing plate (5) is matched with the upper clamping plate (6), the middle positions of the lower template insert (12) and the lower template are cylindrical cavities, and the cavities are through.

6. The drawing structure without the material plate of the circular motor casing is characterized in that the diameter of the punch (7) is smaller than that of the lower template insert (12) and the cavity part of the lower template, and the blanking hole (10) is square and penetrates through the lower die base (9).

7. The drawing structure without the material plate of the circular motor casing is characterized in that the lower template insert (12) is cylindrical, the cavity part at the upper end of the lower template insert is arc-shaped, the limiting plates (13) are four groups and distributed in an array, and one ends of the limiting plates (13) close to the lower template insert (12) are arc-shaped.