CN211276218U

CN211276218U - Punching machine

Info

Publication number: CN211276218U
Application number: CN201921779979.1U
Authority: CN
Inventors: 钱阔
Original assignee: Foshan Samyo Auto Parts Manufacture Co ltd
Current assignee: Foshan Samyo Auto Parts Manufacture Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-08-18
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a punching machine, which comprises a frame, wherein a lifting cylinder and a lower bottom plate are arranged on the frame, an upper bottom plate is arranged on the lifting cylinder, a female die mounting plate is arranged on the bottom side of the upper bottom plate, a female die insert is arranged on the bottom side of the female die mounting plate, a male die mounting plate is arranged on the top side of the lower bottom plate, the top surface of the male die mounting plate is a bearing surface, the side edge of the bearing surface is provided with the male die insert, the top side of the lower bottom plate is provided with a plurality of guide pillars, the upper bottom plate is provided with a plurality of first limiting through holes, the outer sides of the guide pillars are provided with first springs, the bottom side of the female die mounting plate is provided with a pressure plate, the top surface of the pressure plate is provided with a limiting column, a second limiting through hole is arranged on the female die mounting plate, the utility model discloses stability is higher during the operation, can prolong organism life to reduce the energy consumption of during operation.

Description

Punching machine

Technical Field

The utility model relates to a stamping tool especially relates to a punching machine.

Background

At present, the punching machine on the market is in the vibrations that the use produced at every turn, and not only the noise is big, and is great to the wearing and tearing consumption of mould and punching machine moreover to when the atress of punching press module is too big, take place the damage easily, can reduce punching press module's life, reset after the punching press of punching press module also need rely on drive arrangement completely to realize, and the energy consumption is difficult to the decline. In addition, when the required materials are separated from the material plate, stress at corners of the product is concentrated, the corners of the product are prone to cracking when the product is manufactured, the fillet at the corners is enlarged by a traditional method, materials are used more, production cost is improved, and economic benefits are reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a punching machine can improve the stability when operation.

The utility model provides a solution of its technical problem is: a punching machine comprises a machine frame, wherein a lifting cylinder and a lower base plate are arranged on the machine frame, an upper base plate is arranged on the lifting cylinder, the lifting cylinder drives the upper base plate to move back and forth along the vertical direction, the upper base plate is positioned above the lower base plate, a female die mounting plate is arranged on the bottom side of the upper base plate, a female die insert is arranged on the bottom side of the female die mounting plate, a male die mounting plate is arranged on the top side of the lower base plate, the top surface of the male die mounting plate is a bearing surface, the lateral side of the bearing surface is provided with the male die insert, the top side of the lower base plate is provided with a plurality of guide pillars, the upper base plate is provided with a plurality of first limiting through holes, all the guide pillars penetrate through all the first limiting through holes one by one, first springs are arranged on the outer sides of the guide pillars, the top ends of the first springs abut against the upper, the bottom side of die mounting panel is provided with presses the flitch, the top surface of pressing the flitch is provided with spacing post, be provided with the spacing through-hole of second on the die mounting panel, the bottom surface of upper plate is provided with the blind hole, spacing post passes in proper order the spacing through-hole of second stretches into in the blind hole, the top of spacing post is provided with spacing shaft shoulder, the external diameter of spacing shaft shoulder is greater than the internal diameter of the spacing through-hole of second, be provided with the second spring in the blind hole, the top of second spring offsets with the bottom surface of blind hole, the bottom of second spring with spacing shaft shoulder offsets.

According to the utility model discloses punching machine has following beneficial effect at least: the peripheral plate to be processed is placed on the bearing surface of the male die mounting plate, the lifting cylinder is started to drive the upper bottom plate to move downwards, the first spring between the upper bottom plate and the lower bottom plate is gradually compressed in the process that the female die insert approaches to the male die insert, the guide post moves upwards in the first limiting through hole, a first heavy buffer effect is provided, when the pressure plate abuts against the peripheral plate on the bearing surface, the lifting cylinder stops driving the upper bottom plate to move downwards, but the upper bottom plate still keeps the inertia of the downward movement at the moment, so that the pressure plate moves upwards under the stress, the pressure plate drives the limiting column to move upwards in the blind hole, the second spring is compressed to provide a second heavy buffer effect, the damage caused by direct collision of a stamping module is avoided, after stamping is completed, the elastic force generated by the first spring and the second spring can provide power for resetting of the upper bottom plate, and the energy consumption of the lifting cylinder is reduced, therefore, the utility model discloses stability is higher during the operation, can prolong organism life to reduce the energy consumption of during operation.

According to some embodiments of the utility model, the top surface of pressing the flitch is provided with the blotter. When pressing the flitch to the die mounting panel, the blotter separates between the two for press the flitch can not collide with the die mounting panel directly.

According to some embodiments of the utility model, the lateral surface of terrace die insert includes outer shaping surface, outer shaping surface include first shaping surface, second shaping surface, connect in first shaping surface with arc surface between the second shaping surface, first shaping surface with second shaping surface is the obtuse angle setting, the opening of arc surface is outside, be provided with a plurality of recess on the arc surface, the die insert is just right the medial surface of outer shaping surface is interior shaping surface, outer shaping surface with the mutual adaptation of shape of interior shaping surface. The first molding surface and the second molding surface are arranged in an obtuse angle to form a corner, the corner is an arc surface, a plurality of grooves are formed in the arc surface, the female die insert is opposite to the inner molding surface of the outer molding surface and is matched with the inner molding surface in shape, and when the upper base plate and the lower base plate are combined to process the material plate, the material plate flows to have an avoiding position, so that the material plate cannot crack in a drawing process, and the production cost cannot be increased while the processing quality of the material plate is ensured.

According to some embodiments of the invention, the groove is an arc-shaped structure. Easier to process and may result in better flow properties of the flitch.

According to some embodiments of the invention, the recess is provided with two. The flitch is made to flow to have a sufficient avoiding position.

According to some embodiments of the invention, the lifting cylinder is pneumatically or hydraulically driven.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic front view of the punching machine of the present invention;

FIG. 2 is a schematic top view of the male die insert of the present invention;

fig. 3 is a schematic view of the structure of the die insert in a top view.

In the drawings: 100-upper base plate, 110-die mounting plate, 120-die insert, 121-groove, 130-guide column, 140-first spring, 150-pressure plate, 160-limiting column, 200-lower base plate, 210-punch mounting plate and 220-punch insert.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, a punching machine includes a frame, a lifting cylinder and a lower base plate 200 are arranged on the frame, an upper base plate 100 is arranged on the lifting cylinder, the lifting cylinder drives the upper base plate 100 to move back and forth along a vertical direction, the upper base plate 100 is located above the lower base plate 200, a female die mounting plate 110 is arranged on the bottom side of the upper base plate 100, a female die insert 120 is arranged on the bottom side of the female die mounting plate 110, a male die mounting plate 210 is arranged on the top side of the lower base plate 200, the top surface of the male die mounting plate 210 is a bearing surface, a male die insert 220 is arranged on the lateral side of the bearing surface, a plurality of guide pillars 130 are arranged on the top side of the lower base plate 200, a plurality of first limiting through holes are arranged on the upper base plate 100, all the guide pillars 130 pass through all the first limiting through holes one-to-one, the top of first spring 140 with upper plate 100 offsets, the bottom of first spring 140 with lower plate 200 offsets, the bottom side of die mounting panel 110 is provided with pressure flitch 150, the top surface of pressing flitch 150 is provided with spacing post 160, be provided with the spacing through-hole of second on the die mounting panel 110, the bottom surface of upper plate 100 is provided with the blind hole, spacing post 160 passes in proper order the spacing through-hole of second stretches into in the blind hole, the top of spacing post 160 is provided with spacing shoulder, the external diameter of spacing shoulder is greater than the internal diameter of the spacing through-hole of second, be provided with the second spring in the blind hole, the top of second spring offsets with the bottom surface of blind hole, the bottom of second spring with spacing shoulder offsets.

From the above, when the peripheral plate to be processed is placed on the supporting surface of the punch mounting plate 210, the lifting cylinder is started to drive the upper base plate 100 to move downward, the first spring 140 between the upper base plate 100 and the lower base plate 200 is gradually compressed in the process that the die insert 120 approaches the punch insert 220, the guide post 130 moves upward in the first limiting through hole, at this time, a first heavy buffer effect is provided, when the pressure plate 150 abuts against the peripheral plate on the supporting surface, the lifting cylinder stops driving the upper base plate 100 to move downward, but at this time, the upper base plate 100 still maintains the inertia of the downward movement, so that the pressure plate 150 is forced to move upward, the pressure plate 150 drives the limiting post 160 to move upward in the blind hole, the second spring is compressed to provide a second heavy buffer effect, thereby avoiding the damage caused by the direct collision of the punching module, and after the punching is completed, the elastic forces generated by the first spring 140 and the second spring can provide power for the resetting of the upper base plate 100, reduce the energy consumption of lift jar, consequently, the utility model discloses stability is higher during the operation, can prolong organism life to reduce the energy consumption of during operation.

In some embodiments, the top surface of the nip plate 150 is provided with a cushion. When the pressure pad 150 is pressed toward the die mounting plate 110, the cushion pad is spaced therebetween, so that the pressure pad 150 does not directly collide with the die mounting plate 110.

Referring to fig. 2 and 3, the outer side surface of the male die insert 220 includes an outer molding surface, the outer molding surface includes a first molding surface, a second molding surface, and an arc surface connected between the first molding surface and the second molding surface, the first molding surface and the second molding surface are arranged at an obtuse angle, an opening of the arc surface is outward, a plurality of grooves 121 are arranged on the arc surface, the female die insert 120 is opposite to the inner side surface of the outer molding surface, and the outer molding surface and the inner molding surface are matched in shape. The first molding surface and the second molding surface are arranged in an obtuse angle to form a corner, the corner is an arc surface, the arc surface is provided with a plurality of grooves 121, the die insert 120 is opposite to the inner molding surface of the outer molding surface and is matched with the inner molding surface in shape, when the upper base plate 100 and the lower base plate 200 are matched for machining the material plate, the material plate flows to have an avoiding position, so that the material plate cannot crack in a drawing process, and the production cost cannot be increased while the processing quality of the material plate is ensured.

In some embodiments, the groove 121 is an arc-shaped structure. Easier to process and may result in better flow properties of the flitch.

In some embodiments, there are two grooves 121. The flitch is made to flow to have a sufficient avoiding position.

In some embodiments, the lift cylinder is pneumatically or hydraulically actuated. The pneumatic driving response is quick and rapid, the pneumatic driving device can be used for punching machines with small punching force requirements, and the hydraulic driving device is stable and can be used for punching machines with large punching force requirements.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A press machine, characterized by: the die-casting die comprises a rack, wherein a lifting cylinder and a lower base plate (200) are arranged on the rack, an upper base plate (100) is arranged on the lifting cylinder, the lifting cylinder drives the upper base plate (100) to move back and forth along the vertical direction, the upper base plate (100) is positioned above the lower base plate (200), a female die mounting plate (110) is arranged on the bottom side of the upper base plate (100), a female die insert (120) is arranged on the bottom side of the female die mounting plate (110), a male die mounting plate (210) is arranged on the top side of the lower base plate (200), the top surface of the male die mounting plate (210) is a bearing surface, a male die insert (220) is arranged on the lateral side of the bearing surface, a plurality of guide pillars (130) are arranged on the top side of the lower base plate (200), a plurality of first limiting through holes are arranged on the upper base plate (100), and all the guide, a first spring (140) is arranged on the outer side of the guide post (130), the top end of the first spring (140) is abutted against the upper bottom plate (100), the bottom end of the first spring (140) is pressed against the lower bottom plate (200), the bottom side of the female die mounting plate (110) is provided with a pressure plate (150), the top surface of the pressure plate (150) is provided with a limit column (160), the female die mounting plate (110) is provided with a second limit through hole, the bottom surface of the upper bottom plate (100) is provided with a blind hole, the limit column (160) sequentially passes through the second limit through hole and extends into the blind hole, the top end of the limiting column (160) is provided with a limiting shaft shoulder, the outer diameter of the limiting shaft shoulder is larger than the inner diameter of the second limiting through hole, and a second spring is arranged in the blind hole, the top end of the second spring is abutted against the bottom surface of the blind hole, and the bottom end of the second spring is abutted against the limiting shaft shoulder.

2. A die press according to claim 1, wherein: the top surface of the pressure plate (150) is provided with a cushion pad.

3. A die press according to claim 2, wherein: the outer side surface of the male die insert (220) comprises an outer molding surface, the outer molding surface comprises a first molding surface, a second molding surface and an arc surface connected between the first molding surface and the second molding surface, the first molding surface and the second molding surface are arranged in an obtuse angle, an opening of the arc surface is outward, a plurality of grooves (121) are formed in the arc surface, the female die insert (120) is opposite to the inner side surface of the outer molding surface and is an inner molding surface, and the outer molding surface and the inner molding surface are matched in shape.

4. A stamping press according to claim 3, wherein: the groove (121) is of an arc-shaped structure.

5. A stamping press according to claim 3, wherein: two grooves (121) are arranged.

6. A die press according to claim 1, wherein: the lifting cylinder is driven by air pressure or hydraulic pressure.