CN110947831A

CN110947831A - High-precision punching machine

Info

Publication number: CN110947831A
Application number: CN201911208512.6A
Authority: CN
Inventors: 陈超
Original assignee: Mianyang Mianxin Digital Technology Co ltd
Current assignee: Mianyang Mianxin Digital Technology Co ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-04-03

Abstract

The invention relates to the technical field of punching machines, and aims to provide a high-precision punching machine which comprises an upper punching machine and a lower punching machine, wherein an air cylinder is arranged on the upper punching machine, a punching head is arranged at one end, close to the lower punching machine, of the air cylinder, a base is arranged at one end, close to the upper punching machine, of the lower punching machine, supporting columns are arranged at two ends of the upper punching machine, grooves matched with the columns are formed in two ends of the base, a fixing plate is further arranged on the upper punching machine, a buffering plate is arranged on the supporting columns, a cylinder and an elastic piece are arranged between the buffering plate and the fixing plate, one end of the elastic piece is abutted against the buffering plate, the other end of the elastic piece is abutted against the fixing plate, one end, close to the base, of the cylinder is fixedly connected with the buffering plate, and one end, the buffer plate with all seted up the through-hole on the base, the through-hole with the drift adaptation, be provided with the baffle on the base.

Description

High-precision punching machine

Technical Field

The invention relates to the field of punch cooling, in particular to a high-precision punching machine.

Background

The stamping production is mainly directed to plates. Through the mould, can make blanking, punch a hole, shaping, deep-drawing, trimming, essence towards, the plastic, riveting and extruded article etc. wide application in each field.

The invention discloses a sheet metal part punching die, which comprises a base, a lower die plate, a fixed plate and a sliding rod, wherein a plurality of supporting columns are arranged at the edge of the upper end of the base, the upper ends of the supporting columns are connected with the fixed plate, a lower pressing plate is arranged at the lower end of an air cylinder, and an elastic pad is arranged at the lower end of the lower pressing plate; the invention has reasonable structural design and high practicability, when the die works, the air cylinder drives the lower pressing plate, the elastic cushion and the convex block to move downwards, thereby realizing the shaping of sheet metal parts, the elastic cushion can ensure better buffer effect, the die is prevented from being damaged by pressure overload, the convex block can be conveniently replaced under the action of a fastener, the applicability is stronger, the cooling pipe is convenient to accelerate the cooling of the stamped sheet metal parts, the mass production speed is higher, the top plate can quickly eject the sheet metal parts, the production efficiency is higher, the upper die plate is rebounded to the original position by the sliding rod, the telescopic rod drives the lower pressing plate to move upwards and reset, the positioning and the pressing of the lower pressing plate are more convenient and quicker, the anti-skid lines prevent the lower pressing plate from deviating to influence the processing precision, but the die is easy to generate displacement in the process of extruding or punching to generate deformation.

Therefore, a punch press is needed, which can precisely process the parts, does not deflect the mold or the drill bit due to the reaction force of the device, and can precisely punch.

Disclosure of Invention

The invention aims to provide a high-precision punching machine, which realizes accurate punching work by arranging matching on an upper punching machine and a lower punching machine and by multiple limit propulsion;

in order to achieve the purpose, the technical scheme adopted by the invention is as follows: a high-precision punching machine comprises an upper punching machine and a lower punching machine, wherein an air cylinder is arranged on the upper punching machine, a punch is arranged at one end, close to the lower punching machine, of the air cylinder, a base is arranged at one end, close to the upper punching machine, of the lower punching machine, supporting columns are arranged at two ends of the upper punching machine, grooves matched with the pillars are formed at two ends of the base, a fixing plate is further arranged on the upper punching machine, a buffer plate is arranged on each supporting column, a cylinder and an elastic piece are arranged between the buffer plate and the fixing plate, one end of the elastic piece is abutted against the buffer plate, the other end of the elastic piece is abutted against the fixing plate, one end, close to the base, of the cylinder is fixedly connected with the buffer plate, a limiting piece is arranged at one end, close to the upper punching plate, through holes are formed in the buffer plate and the base, the base is provided with a baffle.

According to the technical means, a plate to be punched is placed on the base, the air cylinder is started, the air cylinder drives the punch to move downwards, when the buffer plate is in contact with the base, the punch continues to apply force downwards, after the plate is cut off, the punch and the cut plate fall into the through hole, in order to enable the punch to accurately enter the through hole, support columns are arranged at two ends of the upper punching machine and are matched with the grooves, the punch is stably limited, meanwhile, in order to avoid the air cylinder driving the fixing plate to continuously descend, the elastic piece is arranged, so that the fixing plate ascends, the buffer plate can be rapidly driven to ascend, and an operator can conveniently place the preprocessed plate.

Preferably, when the supporting column is abutted against the bottom of the base, the punch is located in the through hole of the base.

Through the technical means, the punch is prevented from continuously descending to cause damage to the punch.

Preferably, the two ends of the base are provided with convex columns, and the two ends of the upper punch press are provided with slots matched with the supporting columns.

Through the technical means, the upper punching machine and the lower punching machine are further limited, so that the punching head can accurately punch the plate.

Preferably, a round hole is formed in the buffer plate, ferrules are arranged inside the round hole and the groove, and one end, close to the base, of the support column is connected with the ferrules in a sliding mode.

Through above-mentioned technical means, less buffer plate and the frictional force between the support column.

Preferably, one end of the baffle extends into the base and is fixed with the base, and the other end of the baffle protrudes out of the base.

Through the technical means, the processed plate is fixed through the baffle.

Preferably, a channel is formed in the buffer plate, and when the buffer plate is in contact with the base, one end, above the base, of the baffle is located in the channel.

Through the technical means, when the buffer plate is prevented from contacting the base, the baffle is extruded and deformed by the buffer plate.

Preferably, the resilient member is disposed outside the cylinder.

Through the technical means, the reaction force of the elastic piece can be more uniformly applied to the fixing plate and the buffer plate.

Preferably, the bottom of the through hole of the base is provided with an automatic push rod.

Through the technical means, the punched fragment plate can be directly ejected out of the through hole.

Compared with the prior art, the invention has the beneficial effects that:

1. the plate can be quickly cut off, and the punch can accurately apply force to the plate through the limit fit between the upper punch and the lower punch;

2. through the counterforce of the elastic piece, the upper punch can be quickly lifted.

Drawings

FIG. 1 is a structural diagram of a high precision punching press;

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

Reference number 1, upper punch; 2. punching a lower punch; 3. a cylinder; 4. a punch; 5. a base; 6. a support pillar; 7. a groove; 8. a fixing plate; 9. a buffer plate; 10. a cylinder; 11. an elastic member; 12. a limiting member; 13. a baffle plate; 14. a convex column; 15. a slot; 16. a ferrule; 17. a channel; 18. and (4) automatically pushing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 2 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other implementations made by those of ordinary skill in the art based on the embodiments of the present invention are obtained without inventive efforts.

In the description of the present invention, it is to be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting.

FIG. 1 is a structural diagram of a high precision punching machine according to the present invention;

a high-precision punching machine comprises an upper punching machine 1 and a lower punching machine 2, wherein an air cylinder 3 is arranged on the upper punching machine 1, a punch 4 is arranged at one end, close to the lower punching machine 2, of the air cylinder 3, a base 5 is arranged at one end, close to the upper punching machine 1, of the lower punching machine 2, supporting columns 6 are arranged at two ends of the upper punching machine 1, grooves 7 matched with the columns are formed at two ends of the base 5, a fixing plate 8 is further arranged on the upper punching machine 1, a buffering plate 9 is arranged on the supporting columns 6, a cylinder 10 and an elastic piece 11 are arranged between the buffering plate 9 and the fixing plate 8, one end of the elastic piece 11 is abutted against the buffering plate 9, the other end of the elastic piece 11 is abutted against the fixing plate 8, one end, close to the base 5, of the cylinder 10 is fixedly connected with the buffering plate 9, and one end, close to the upper punching plate, of, the buffer plate 9 with the base 5 is last all to have seted up the through-hole, the through-hole with drift 4 adaptation, be provided with baffle 13 on the base 5.

It should be noted that, referring to fig. 2, when the supporting pillar 6 abuts against the bottom of the base 5, the punch 4 is located in the through hole of the base 5, so as to prevent the punch 4 from continuously descending and damaging the punch 4; the two ends of the base 5 are provided with convex columns 14, the two ends of the upper punch 1 are provided with slots 15 matched with the supporting columns 6, and the upper punch 1 and the lower punch 2 are further limited, so that the punch 4 can accurately punch plates; a circular hole is formed in the buffer plate 9, a ferrule 16 is arranged in the circular hole and the groove 7, one end of the support column 6 close to the base 5 is connected with the ferrule 16 in a sliding mode, and friction force between the buffer plate 9 and the support column 6 is reduced; one end of the baffle 13 extends into the base 5 and is fixed with the base 5, the other end of the baffle 13 protrudes out of the base 5, and the processed plate is fixed through the baffle 13; a channel 17 is formed in the buffer plate 9, when the buffer plate 9 is in contact with the base 5, one end, above the base 5, of the baffle 13 is located in the channel 17, and the baffle 13 is prevented from being extruded and deformed by the buffer plate 9 when the buffer plate 9 is in contact with the base 5; the elastic part 11 is arranged outside the cylinder 10, and the bottom of the through hole of the base 5 is provided with an automatic push rod 18.

In summary, the implementation principle of the invention is as follows: the punching machine is characterized in that a plate to be punched is placed on the base, the air cylinder is started, the air cylinder drives the punch to move downwards, when the buffer plate is in contact with the base, the punch continues to apply force downwards, after the plate is cut off, the punch and the cut plate fall into the through hole, in order to enable the punch to accurately enter the through hole, support columns are arranged at two ends of the upper punching machine, the support columns are matched with the grooves, the punch is stably limited, meanwhile, in order to avoid the situation that the air cylinder drives the fixed plate to continuously descend, the fixed plate can be quickly driven to ascend while the fixed plate ascends through the arrangement of the elastic piece, and an operator can place the preprocessed plate conveniently.

Claims

1. A high-precision punching machine comprises an upper punching machine (1) and a lower punching machine (2), wherein an air cylinder (3) is arranged on the upper punching machine (1), a punching head (4) is arranged at one end, close to the lower punching machine (2), of the air cylinder (3), a base (5) is arranged at one end, close to the upper punching machine (1), of the lower punching machine (2), and the punching machine is characterized in that supporting columns (6) are arranged at two ends of the upper punching machine (1), grooves (7) matched with the columns are arranged at two ends of the base (5), a fixing plate (8) is further arranged on the upper punching machine (1), a buffer plate (9) is arranged on the supporting columns (6), a cylinder (10) and an elastic piece (11) are arranged between the buffer plate (9) and the fixing plate (8), one end of the elastic piece (11) is abutted to the buffer plate (9), and the other end of the elastic piece (11) is abutted to the fixing plate (8), the cylinder (10) is close to the one end of base (5) with buffer board (9) fixed connection, cylinder (10) is close to the one end of upper punch board is provided with locating part (12), buffer board (9) with the through-hole has all been seted up on base (5), the through-hole with drift (4) adaptation, be provided with baffle (13) on base (5).

2. A high precision punching press according to claim 1, characterized in that the punch (4) is located in the through hole of the base (5) when the end of the supporting column (6) remote from the upper press (1) extends into the recess (7).

3. A high precision punching and punching machine according to claim 2, characterized in that the two ends of the base (5) are provided with convex columns (14), and the two ends of the upper punching machine (1) are provided with slots (15) adapted to the supporting columns (6).

4. A high precision punch press according to claim 1, characterized in that the buffer plate (9) is provided with a circular hole, the circular hole and the inside of the groove (7) are provided with a ferrule (16), and one end of the support column (6) close to the base (5) is slidably connected with the ferrule (16).

5. A high precision punching press according to claim 1, characterized in that one end of said baffle (13) extends into said base (5) and is fixed with said base (5), and the other end of said baffle (13) is arranged protruding from said base (5).

6. A high precision punch press according to claim 5, characterized in that the buffer plate (9) is provided with a channel (17), and when the buffer plate (9) contacts the base (5), the end of the baffle (13) above the base (5) is located in the channel (17).

7. A high precision punch press according to claim 1, characterized in that the resilient member (11) is arranged outside the cylinder (10).

8. A high precision punching press according to claim 1, characterized in that the bottom of the through hole of the base (5) is provided with an automatic push rod (18).