CN213002161U

CN213002161U - Anti-breaking punch and notching die with same

Info

Publication number: CN213002161U
Application number: CN202021153605.1U
Authority: CN
Inventors: 赵欣刚; 樊成权; 郭忠海
Original assignee: Zhejiang Languang Precision Electromechanical Co ltd
Current assignee: Zhejiang Languang Precision Electromechanical Co ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-04-20
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses an anti-breaking punch and a notching die with the same, which comprises a punch body, wherein a notching blade and a threaded hole are arranged on the punch body, the notching blade is arranged at the bottom of the punch body, and the threaded hole is arranged at the top of the punch body; the notching blade is arranged in a slope manner; the utility model discloses a prevent drift of rupture and have notching die of this drift simple structure, convenient to use, through the setting that there is the difference in height head and afterbody on the notching sword, improve the sharpening cycle of drift, improve mould life greatly, and the product section of punching press is of high quality, and the burr is few, and the product performance of punching press is good.

Description

Anti-breaking punch and notching die with same

Technical Field

The utility model relates to a compressor processing field, concretely relates to prevent drift of rupture and a die-cut mould that has this drift.

Background

The suction valve plate is an indispensable part in the compressor, and a plurality of punching heads, such as a round punching head, an oval punching head and a special-shaped punching head, are used when the structure requiring the punching groove is arranged on the suction valve plate.

A round punch and an oval punch in a conventional air suction valve plate are both flat punches, but if the special-shaped punch is also the flat punch, the use process shows that the special-shaped punch is frequently broken, the sharpening period is short, and the service life of a die is short.

Based on the circumstances, the utility model provides a prevent drift of rupture and a notching die who has this drift can effectively solve above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent drift of rupture and a die-cut mould that has this drift. The utility model discloses a prevent drift of rupture and have notching die of this drift simple structure, convenient to use, through the setting that there is the difference in height head and afterbody on the notching sword, improve the sharpening cycle of drift, improve mould life greatly, and the product section of punching press is of high quality, and the burr is few, and the product performance of punching press is good.

The utility model discloses a following technical scheme realizes:

a punch head capable of preventing breakage comprises a punch head body, wherein a punching groove blade and a threaded hole are formed in the punch head body, the punching groove blade is arranged at the bottom of the punch head body, and the threaded hole is formed in the top of the punch head body; the notching edge is arranged in a slope manner.

The utility model discloses a be equipped with the degree of slope with the die-cut sword, improve the sharpening cycle of drift, improve mould life greatly, and the product section of punching press is of high quality, and the burr is few, and the product performance of punching press is good.

Preferably, the notching blade is provided with a head part and a tail part, the tail part is arranged above the head part in the vertical direction, and the height difference between the head part and the tail part is 0.2-0.3 mm.

A notching die comprises an upper die and a lower die, wherein the upper die comprises the anti-breaking punch; the upper die further comprises a base plate, a male die fixing plate, a punch head sheath, a piece pushing device and a female die fixing plate; the base plate is fixed above the male die fixing plate, and the female die fixing plate is fixed below the male die fixing plate; the punch head sheath is embedded in the male die fixing plate and is fixedly arranged in the male die fixing plate; the part pushing device is embedded in the female die fixing plate and can be arranged in the female die fixing plate in a sliding mode.

Preferably, the punch body is embedded in the punch sheath, and the punch body and the punch sheath are arranged in a zero-clearance fit manner; the punch is characterized in that the base plate is provided with a fixing hole, and the punch body is fixed below the base plate through the fixing hole and the threaded hole through a hoisting screw.

Preferably, the piece pushing device is sleeved on the punch body, and the piece pushing device and the punch body are arranged in a sliding mode.

Preferably, the lower die comprises a discharging plate, a punch-die and a punch-die supporting plate, the punch-die is embedded in the discharging plate, and the punch-die is fixedly arranged on the punch-die supporting plate; and a spring is arranged between the stripper plate and the punch-die supporting plate.

Preferably, a waste trough is further arranged in the lower die and penetrates through the punch-die and the punch-die supporting plate.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model discloses a prevent drift of rupture and have notching die of this drift simple structure, convenient to use, through the setting that there is the difference in height of upper head of notching edge and afterbody, improve the blade grinding cycle of drift, improve mould life greatly, and the product section of punching press is of high quality, the burr is few, the product performance of punching press is good; the punch sheath can increase the punch strength, so that the punch breakage rate is greatly reduced.

Drawings

Fig. 1 is a schematic structural view of the punch body of the present invention;

fig. 2 is a schematic bottom view of the punch body according to the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1-a steel belt;

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 2, the anti-break punch comprises a punch body 1, wherein a punching groove edge 11 and a threaded hole 12 are arranged on the punch body 1, the punching groove edge 11 is arranged at the bottom of the punch body 1, and the threaded hole 12 is arranged at the top of the punch body 1; the notching edge 11 is sloped.

The utility model discloses a will the die cutting edge 11 is equipped with the slope, improves the sharpening cycle of drift, improves mould life greatly, and the product section of punching press is of high quality, and the burr is few, and the product performance of punching press is good.

Further, in another embodiment, the notching blade 11 is provided with a head portion 111 and a tail portion 112, the tail portion 112 is above the head portion 111 in the vertical direction, and the height difference between the head portion 111 and the tail portion 112 is 0.2-0.3 mm.

The head 111 of the punching edge 11 must be lower than the tail 112, and if the tail 112 is lower than the head 111, the punch is broken directly.

When the height difference between the head part 111 and the tail part 112 is 0.2-0.3 mm, the best notching effect of the punch in the moving stroke can be ensured, the sharpening period of the punch can be prolonged, and the service life of the die is greatly prolonged; and the section quality of the punched product can be ensured to be good, the burrs are few, and the product performance is good.

Example 2:

as shown in fig. 1 to 3, a notching die includes an upper die 2 and a lower die 3, the upper die 2 includes a fracture-preventing punch according to embodiment 1; the upper die 2 further comprises a backing plate 21, a male die fixing plate 22, a punch head sheath 23, an ejector 24 and a female die fixing plate 25; the backing plate 21 is fixed above the male die fixing plate 22, and the female die fixing plate 25 is fixed below the male die fixing plate 22; the punch head sheath 23 is embedded in the punch plate 22, and the punch head sheath 23 is fixedly arranged in the punch plate 22; the ejector 24 is embedded in the die fixing plate 25, and the ejector 24 is slidably disposed in the die fixing plate 25.

By fixing the backing plate 21 to the punch retainer 22, the punch body 1 can be more easily fixed to the punch retainer 22.

Further, in another embodiment, the punch body 1 is embedded in the punch sheath 23, and the punch body 1 and the punch sheath 23 are arranged in a zero clearance fit; the base plate 21 is provided with a fixing hole 211, and the punch body 1 is fixed below the base plate 21 through the fixing hole 211 and the threaded hole 12 through a hoisting screw.

Through the zero clearance fit arrangement of the punch body 1 and the punch sheath 23, the punch body 1 can be conveniently and rapidly fixed on the punch fixing plate 22; the punch pin sheath 23 can increase the punch pin strength, so that the punch pin breakage rate is greatly reduced; through the fixing hole 211 on the backing plate 21, the punch body 1 is fixed on the backing plate 21 through a hoisting screw, so that the fixing effect of the punch body 1 on the punch retainer 22 is enhanced.

Further, in another embodiment, the ejector 24 is sleeved on the punch body 1, and the ejector 24 and the punch body 1 are slidably disposed.

The part pushing device 24 is arranged between the punch body 1 and the die fixing plate 25, the part pushing device 24 and the punch body 1 and the die fixing plate 25 are arranged in a sliding mode, and the punch can punch a steel belt.

Further, in another embodiment, the lower mold 3 includes a discharging plate 31, a punch and die 32 and a punch and die supporting plate 33, the punch and die 32 is embedded in the discharging plate 31, and the punch and die 32 is fixedly arranged on the punch and die supporting plate 33; a spring 34 is arranged between the stripper plate 31 and the punch-die supporting plate 33.

The arrangement of the spring 34 ensures that the stripper plate 31 can rebound during the process of lifting the upper die 2 after the punching is finished.

Further, in another embodiment, a waste chute 35 is further disposed in the lower mold 3, and the waste chute 35 is disposed through the punch and die 32 and the punch and die holder 33.

By arranging the waste material groove 35 on the punch-die 32 and the punch-die supporting plate 33, punched waste materials can be removed from the waste material groove 35, so that the step of removing the waste materials after punching is finished is reduced, the punching speed is increased, and the working efficiency is improved.

The utility model discloses a theory of operation of an embodiment as follows:

a steel strip 4 is placed on a lower die 3, the upper die 2 moves downwards, a concave die fixing plate 25 in the upper die 2 pushes a discharging plate 31 to move downwards, so that a piece pushing device 24 is pushed by a male die and a female die 32 to move upwards, and the punch body 1 and the male die and the female die 32 are sheared with the steel strip 4 at the same time to form the punch.

According to the description and drawings of the present invention, the person skilled in the art can easily make or use the anti-breaking punch and the notching die having the same, and can produce the positive effects described in the present invention.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; 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 above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. The utility model provides a drift of preventing breaking which characterized in that: the punching head comprises a punching head body (1), wherein a punching groove blade (11) and a threaded hole (12) are arranged on the punching head body (1), the punching groove blade (11) is arranged at the bottom of the punching head body (1), and the threaded hole (12) is arranged at the top of the punching head body (1); the notching edge (11) is arranged in a gradient manner.

2. A break-resistant punch as claimed in claim 1, wherein: the notching blade (11) is provided with a head part (111) and a tail part (112), the tail part (112) is arranged above the head part (111) in the vertical direction, and the height difference between the head part (111) and the tail part (112) is 0.2-0.3 mm.

3. A notching die is characterized in that: comprising an upper die (2) and a lower die (3), said upper die (2) comprising an anti-snap punch according to claim 1 or 2; the upper die (2) further comprises a backing plate (21), a male die fixing plate (22), a punch head sheath (23), an ejector (24) and a female die fixing plate (25); the backing plate (21) is fixed above the male die fixing plate (22), and the female die fixing plate (25) is fixed below the male die fixing plate (22); the punch head sheath (23) is embedded in the punch plate (22), and the punch head sheath (23) is fixedly arranged in the punch plate (22); the part pushing device (24) is embedded in the female die fixing plate (25), and the part pushing device (24) is arranged in the female die fixing plate (25) in a sliding mode.

4. A notching die as set forth in claim 3, characterized in that: the punch head body (1) is embedded in the punch head sheath (23), and the punch head body (1) and the punch head sheath (23) are arranged in a zero clearance fit manner; be equipped with fixed orifices (211) on backing plate (21), through fixed orifices (211) and screw hole (12) will through the hoist and mount screw drift body (1) are fixed backing plate (21) below.

5. A notching die as set forth in claim 3, characterized in that: the piece pushing device (24) is sleeved on the punch head body (1), and the piece pushing device (24) and the punch head body (1) are arranged in a sliding mode.

6. A notching die as set forth in claim 3, characterized in that: the lower die (3) comprises a discharging plate (31), a male die and a female die (32) and a male die and female die supporting plate (33), the male die and the female die (32) are embedded in the discharging plate (31), and the male die and the female die (32) are fixedly arranged on the male die and female die supporting plate (33); and a spring (34) is arranged between the stripper plate (31) and the punch-die supporting plate (33).

7. The notching die of claim 6, wherein: still be equipped with in bed die (3) waste material groove (35), waste material groove (35) run through punch-die (32) and punch-die layer board (33) set up.