CN210253790U

CN210253790U - Punching tool for processing metal plate

Info

Publication number: CN210253790U
Application number: CN201920888007.XU
Authority: CN
Inventors: 陈兆光
Original assignee: Fushan Guichangmao Power Equipment Co Ltd
Current assignee: Fushan Guichangmao Power Equipment Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-07
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a punching tool belonging to the technical field of punching tools, in particular to a punching tool for processing metal plates, which comprises a G-shaped frame casting, a lower punching piece, a guide block, a punch and an ejection device, wherein a blanking hole is arranged below the right end of the G-shaped frame casting, a through hole is arranged above the blanking hole for fixedly mounting the lower punching piece, the top of the lower punching piece is provided with the guide block, the guide block is fixedly mounted in the through hole arranged on the G-shaped frame casting, the guide block is provided with the through hole for mounting the punch, the bottom of the punch is provided with a groove for fixedly mounting the ejection device, the utility model has scientific and reasonable structural design, the ejection rod extending from the bottom of the punch can not meet the punching force, can be contracted through an ejection spring, after the punch is finished, the waste materials punched by the metal plates can enter the blanking hole through the cooperation of the ejection rod and the ejection spring, the device has simple structure and improves the punching efficiency.

Description

Punching tool for processing metal plate

Technical Field

The utility model relates to a frock technical field that punches a hole specifically is a frock that punches a hole of processing sheet metal.

Background

The punching of metal sheet has been a difficult problem, especially the steel sheet of thick type, and the punching press process is hardly accomplished to general instrument, and current frock of punching a hole does not have the guider to the drift, because the unstability of metal sheet when punching a hole, causes to have skew or burr phenomenon when punching a hole, and after the completion of punching a hole, the waste material of metal sheet can the extrusion in the punchings material hole, can't discharge, for this reason, we provide a frock of punching a hole of processing sheet metal.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the above-mentioned and/or the problem that exists in the frock of punching a hole of current processing sheet metal, provided the utility model discloses.

Therefore, the utility model aims at providing a processing sheet metal's frock of punching a hole can solve the current frock of punching a hole that the aforesaid provided and does not have the guider to the drift, because the unstability of metal sheet when punching a hole, has skew or burr phenomenon when causing to punch a hole, and after the completion of punching a hole, the waste material of metal sheet can go out the extrusion and go out the downthehole problem of punching a material.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

the utility model provides a punching tool of processing sheet metal which includes: the punching device comprises a G-shaped frame casting, a lower punching piece, a guide block, a punch and an ejecting device, wherein a blanking hole is formed below the right end of the G-shaped frame casting, a through hole is formed above the blanking hole, the lower punching piece is fixedly installed on the through hole, the guide block is arranged at the top of the lower punching piece, the guide block is fixedly installed in the through hole formed in the G-shaped frame casting, the punch is installed on the guide block through hole, and a groove is formed in the bottom of the punch and fixedly installed in the ejecting device.

As a processing sheet metal's an optimal scheme of frock of punching a hole, wherein: the guide block is inserted into the guide cylinder, the guide cylinder is fixedly installed below the right end of the G-shaped frame casting, and the outer wall of the guide block is sleeved with the guide spring.

As a processing sheet metal's an optimal scheme of frock of punching a hole, wherein: the outer wall of the punch is sleeved with a punch spring, and the bottom of the punch spring is bonded to the top of the guide block.

As a processing sheet metal's an optimal scheme of frock of punching a hole, wherein: the top of a screw of the material ejecting device is fixedly arranged in a groove formed in the punch, the bottom of the screw is fixedly provided with an ejecting spring, and the bottom of the ejecting spring is fixedly provided with an ejecting rod through a bolt.

As a processing sheet metal's an optimal scheme of frock of punching a hole, wherein: the middle of the lower punching piece is provided with a through hole, a punching hole is arranged above the through hole, a hole expansion is arranged below the through hole, and the diameter of the hole expansion is larger than that of the punching hole.

Compared with the prior art: this kind of processing sheet metal's frock of punching a hole, the guide block is installed to G type frame foundry goods, the guide block outer wall cup joints the guide cylinder, the guide cylinder has the positioning action to the guide block, the guide block has the guide effect to the drift, at the during operation, the drift spring sends decurrent pressure to the guide block, then the guide block bottom contacts the metal sheet earlier and fixes than the drift, then the drift uses to punch a hole the metal sheet with down punching part cooperation again, the liftout device is installed to the drift bottom, the liftout pole that the drift bottom extends unsatisfied the power of punching a hole, can be through the shrink of liftout spring, the drift punches a hole the completion back, the waste material that the metal sheet punched a hole is used by liftout pole and liftout spring cooperation again and gets into the blanking hole, this device simple structure, punching efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a left side view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is the structure diagram of the material ejecting device of the utility model.

In the figure, a 100G type frame casting, a 110 blanking hole, a 200 lower punching piece, a 300 guide block, a 310 guide spring, a 320 guide cylinder, a 400 punch, a 410 punch spring, a 500 ejection device, a 510 screw, a 520 ejection spring, a 530 bolt and a 540 ejection rod.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a punching tool for processing metal plates, which has the advantages of simple structure, convenient punching and no pushing of waste, and please refer to fig. 1, comprising a G-shaped frame casting 100, a lower punching piece 200, a guide block 300, a punch 400 and a material ejecting device 500;

referring to fig. 2, the G-frame castings 100 are metal castings, the G-frame castings 100 may be arranged in a plurality of groups on a punching machine, blanking holes 110 are formed below the right end of the G-frame castings 100, the blanking holes 110 have a blanking function for scraps of punching a metal plate, and the G-frame castings 100 have an installation function for the guide blocks 300.

Referring to fig. 1 and 2, the lower punch 200 is mounted on the G-shaped frame casting 100, specifically, a through hole is formed at the top of the blanking hole 110 of the G-shaped frame casting 100 and is in threaded connection with the lower punch 200, the lower punch 200 is made of tungsten steel, the top surface of the lower punch 200 is flat, and the lower punch is used in cooperation with the punch 400 to punch a metal plate.

Referring to fig. 1 and 2 again, the guide block 300 is installed on the G-shaped frame casting 100, the guide block 300 includes a guide spring 310 and a guide cylinder 320, specifically, the guide cylinder 320 is screwed into a groove formed below the front end of the G-shaped frame casting 100, the inner wall of the guide cylinder 320 is sleeved with the guide block 300, the outer wall of the guide block 300 is sleeved with the guide spring 310, the distance between the guide block 300 and the guide cylinder 320 is 0.1mm, the central hole of the guide cylinder 320 and the central hole of the lower punch 200 are on the same straight line, and the guide cylinder 320 has a positioning function on the guide block 300.

Referring to fig. 1 and 2, a punch 400 is mounted on a guide block 300, the punch 400 includes a punch spring 410, specifically, the punch 400 is sleeved in a through hole formed in the guide block 300, the punch spring 410 is sleeved on an outer wall of the punch 400, the lower portion of the punch spring 410 is placed in a groove formed in the top of the G-shaped frame casting 100, the bottom of the punch spring 410 is adhered to the top of the guide block 300, the punch 400 is used in cooperation with a lower punch 200 to punch a metal plate, and the punch spring 410 has the functions of buffering and restoring an initial position to the punch 400.

Referring to fig. 1 and 3, the ejector 500 is installed at the bottom of the punch 400, the ejector 500 includes a screw 510, an ejector spring 520, a bolt 530, and an ejector rod 540, specifically, the ejector rod 540 passes the punched waste into the blanking hole 110 through the elasticity of the ejector spring 520, and the ejector 500 has a blanking function on the punched waste.

The lower punch 200, the guide block 300, and the punch 400 are made of tungsten steel.

In particular use, those skilled in the art will position G-frame casting 100 on a punch press with the top of the punch abutting the top plate of the punch press, place the metal plate on top of lower punch member 200, activate the punch press, subject punch 400 and punch spring 410 to downward pressure, punch spring 410 will transmit downward pressure to guide block 300, the bottom of the guide block 300 contacts the metal plate first and is fixed, the ejector rod 540 extended from the bottom of the punch 400 does not satisfy the punching force, and is contracted by the ejector spring 520, the punch 400 is then used in conjunction with the lower punch member 200 to punch the metal sheet, at which time, the scrap from punching the metal plate is then fed into the blanking hole 110 by the ejector rod 540 in cooperation with the ejector spring, after the punching is completed, the top plate of the punch press is restored to the original position, the punch 400 is restored to the original position by the elasticity of the punch spring 410, and the guide block 300 is restored to the original position by the elasticity of the guide spring 310.

In order to make the device punch holes stably, a guide block 300 is installed on the G-shaped frame casting 100, specifically, the guide block 300 is inserted into a guide cylinder 320, the guide cylinder 320 is connected below the right end of the G-shaped frame casting 100 in a threaded mode, a guide spring 310 is sleeved on the outer wall of the guide block 300, the guide spring 310 has a buffering effect on the guide block 300, and the guide cylinder 320 has a guiding effect on the punch 400.

Referring to fig. 1, in order to prevent the punch 400 from being unable to return to the initial position after the punching is completed, a punch spring 410 is sleeved on the outer wall of the punch 400, the bottom of the punch spring 410 is adhered to the top of the guide block 300, and the punch spring 410 acts to buffer and return to the initial position.

Referring to fig. 1 and 3, in order to prevent the waste material after the metal plate punching from being extruded in the through hole formed in the lower punch 200, the ejector 500 is installed at the bottom of the punch 400, specifically, the top of the screw 510 of the ejector 500 is screwed into the groove formed in the punch 400, the bottom of the screw 510 is fixedly provided with the ejector spring 520, the bottom of the ejector spring 520 is fixedly provided with the ejector rod 540 through the bolt 530, the ejector rod 540 extending at the bottom of the punch 400 does not meet the punching force and can be contracted through the ejector spring 520, after the punch 400 completes the punching, the waste material after the metal plate punching enters the blanking hole 110 through the cooperation of the ejector rod 540 and the ejector spring 520, the through hole is formed in the middle of the lower punch 200, the punching hole is formed above the through hole, the reaming hole is formed below the through hole, the reaming diameter is larger than the punching through hole, and the waste material can conveniently enter the blanking hole 100.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a punching tool of processing sheet metal, its characterized in that, includes G type frame foundry goods (100), down punch piece (200), guide block (300), drift (400), liftout device (500), blanking hole (110) are seted up to G type frame foundry goods (100) right-hand member below, through-hole fixed mounting is seted up to blanking hole (110) top punch piece (200) down, punch piece (200) top down is equipped with guide block (300), guide block (300) fixed mounting in the through-hole that G type frame foundry goods (100) were seted up, the through-hole installation is seted up in guide block (300) drift (400), recess fixed mounting is seted up to drift (400) bottom liftout device (500).

2. The punching tool for processing the metal plate as claimed in claim 1, wherein the guide block (300) is inserted into a guide cylinder (320), the guide cylinder (320) is fixedly installed below the right end of the G-shaped frame casting (100), and a guide spring (310) is sleeved on the outer wall of the guide block (300).

3. The punching tool for processing the metal plate as claimed in claim 1, wherein a punch spring (410) is sleeved on the outer wall of the punch (400), and the bottom of the punch spring (410) is adhered to the top of the guide block (300).

4. The punching tool for processing the metal plate as claimed in claim 1, wherein the top of a screw (510) of the ejecting device (500) is fixedly installed in a groove formed in the punch (400), an ejecting spring (520) is fixedly installed at the bottom of the screw (510), and an ejecting rod (540) is fixedly installed at the bottom of the ejecting spring (520) through a bolt (530).

5. The punching tool for processing the metal plate as claimed in claim 1, wherein a through hole is formed in the middle of the lower punching piece (200), a punching hole is formed above the through hole, a hole expansion is formed below the through hole, and the diameter of the hole expansion is larger than that of the punching hole.