CN212285532U

CN212285532U - Eccentric adjusting device of liftout round pin

Info

Publication number: CN212285532U
Application number: CN202020575926.4U
Authority: CN
Inventors: 蔡志仁; 黄村禾; 白国勋; 黄柏峰; 陈子豪; 廖健钦
Original assignee: Chin Fong Machine Industrial Co Ltd
Current assignee: Chin Fong Machine Industrial Co Ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-01-05
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to an eccentric adjusting device of an ejection pin, which mainly comprises a base, an eccentric column and a linkage block, wherein the eccentric column is provided with a first section and a second section which are eccentrically connected, the first section is fixed in an adjusting hole of the base, the second section is positioned in an adjusting groove of the base, and the linkage block is connected with the ejection pin; from this, when rotating eccentric post, through the eccentric settings of second section and first section, and can adjust the height of interlock piece, and then drive the height of adjusting the liftout round pin.

Description

Eccentric adjusting device of liftout round pin

Technical Field

The utility model discloses a technical field of punching machine especially is about an eccentric formula adjusting device of liftout round pin.

Background

A punching machine or a punch press in a general factory is used for punching a material to cut, bend or mold the material into a finished product shape and size specified by a mold, and the punching process can be roughly divided into several different processing forms such as shearing, bending, direct forming and extending.

The punching machine or punch press is usually provided with a material ejecting pin which is connected with a slide block, and the slide block pushes against a die so that the die can punch and process materials.

It is worth mentioning that when a common punching machine is used for producing a new product, a corresponding die needs to be replaced, and according to the difference of the dies, an operator can finely adjust the punching machine so that the height of the ejection pin can just accord with the height of a punching material of the die.

However, the typical device for adjusting the ejector pin is located at a relatively large distance from the ejector pin, which makes adjustment from the adjusting device to the ejector pin difficult.

In view of this, it is necessary to provide a technical solution to solve the problem that the adjustment is prone to error due to the fact that the position for adjusting the height of the ejector pin is too far away from the ejector pin.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve and adjust the position of liftout round pin height and too far away from the liftout round pin, lead to adjusting the problem that the error appears easily.

To achieve the above object, the present invention provides an eccentric adjusting device for an ejector pin, comprising:

the base is provided with an adjusting groove and an adjusting hole communicated with the adjusting groove;

the eccentric column is provided with a first section and a second section eccentrically connected with the first section, penetrates through the adjusting hole and extends into the adjusting groove, so that the second section is positioned in the adjusting groove;

and the linkage block is fixed in the adjusting groove and connected with the second section of the eccentric column, and the linkage block is used for being connected with the ejection pin.

In a preferred embodiment, the side surface of the base is further provided with a plurality of scales and a plurality of scale holes corresponding to the scales, and further provided with a positioning plate and a plurality of positioning bolts, the positioning plate is provided with a plurality of positioning holes in a penetrating manner, and the first section is provided with a positioning recess.

In a preferred embodiment, the adjusting slot is recessed from one end surface of the base, so that two convex portions are defined on two sides of the adjusting slot by the base, the adjusting hole is provided with two convex portions and communicated to the adjusting slot, the number of the first sections of the eccentric column is two, the second section is connected between the two first sections, so that the second section is clamped between the two first sections, one of the first sections is pivoted in one of the adjusting holes, and the other of the first sections is pivoted in the other adjusting hole.

In a preferred embodiment, the linkage block is composed of two linkage modules, one surface of each linkage module is respectively provided with a through linkage groove in a concave mode, the linkage grooves of the two linkage modules mold the second section, and the two linkage modules are fixed through a plurality of bolts.

In a preferred embodiment, the base has two opposite ends, one of the ends is connected to a power source, and the other end of the base has the adjusting slot.

In a preferred embodiment, the first section has a first axis and the second section has a second axis, the end surface of the first section is connected with the end surface of the second section, and the second axis is deviated from the first axis, so that the first axis and the second axis are not connected.

Therefore, the height of the ejector pin is adjusted, and the problem that the position for adjusting the height of the ejector pin is too far away from the ejector pin is solved.

Drawings

Fig. 1 is a perspective view of the present invention in a preferred embodiment;

fig. 2 is an exploded view of the present invention in a preferred embodiment;

FIG. 3 is a partial enlarged view of a preferred embodiment of the present invention;

FIG. 4 is a cross-sectional view of the ejector pin of the present invention adjusted to the highest position in a preferred embodiment;

FIG. 5 is an enlarged view of a portion of a preferred embodiment of the present invention;

fig. 6 is a cross-sectional view of the ejector pin of the present invention adjusted to the lowest position in a preferred embodiment.

Description of the symbols in the drawings:

base 10

End portion 11

End portion 12

Adjusting groove 13

Adjusting hole 14

Convex part 15

Side surface 16

Scale 17

Graduated hole 18

Eccentric column 20

First section 21

First axle center 211

Positioning recess 212

Second section 22

Second shaft 221

Linkage block 30

Interlocking die 31

Interlock groove 311

Bolt 32

Power source 40

Ejector pin 50

Positioning sheet 61

Positioning hole 611

Baseline 612

Positioning bolt 62

Detailed Description

The technical solution of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the utility model relates to an eccentric adjusting device of liftout round pin mainly has base 10, eccentric post 20 and trace block 30, wherein:

the base 10 has

opposite end portions

11, 12, wherein the end portion 11 is connected to the power source 40 so that the base 10 can be driven by the power source 40 to swing about the power source 40, and the other end portion 12 of the base 10 has an adjustment groove 13 and an adjustment hole 14 penetrating from the side surface 16 of the base 10 to the adjustment groove 13.

The eccentric column 20 is provided with a first section 21 and a second section 22 eccentrically connected with the first section 21, and the eccentric column 20 passes through the adjusting hole 14 and extends into the adjusting groove 13, so that the second section 22 is positioned in the adjusting groove 13; in the present embodiment, the first segment 21 has a first axis 211, the second segment 22 has a second axis 221, the end surface of the first segment 21 is connected to the end surface of the second segment 22, and the second axis 221 is offset from the first axis 211, so that the first axis 211 and the second axis 221 are not connected.

The interlocking block 30 is arranged in the adjusting groove 13 and connected with the second section 22 of the eccentric column 20, and the interlocking block 30 is provided with a connecting ejection pin 50.

In this embodiment, the adjusting slot 13 is recessed from one end surface of the base 10, so that two convex portions 15 are defined on two sides of the adjusting slot 13 of the base 10, the adjusting hole 14 penetrates the two convex portions 15 and communicates with the adjusting slot 13, and there are two first sections 21 of the eccentric post 20, and a second section 22 is connected between the two first sections 21, so that the second section 22 is clamped between the two first sections 21, one of the first sections 21 is pivotally disposed in the adjusting hole 14 of one of the convex portions 15, and the other first section 21 is pivotally disposed in the adjusting hole 14 of the other convex portion 15.

Secondly, the side surface 16 of the base 10 is further provided with a plurality of scales 17 and a plurality of scale holes 18 corresponding to the scales 17, and further provided with a positioning plate 61 and a plurality of positioning bolts 62, the positioning plate 61 is provided with a plurality of positioning holes 611 in a penetrating manner, the first section 21 is provided with a positioning recess 212, a user can adjust the rotation degree of the eccentric column 20 according to the scales 17, further change the height of the second section 22 in the adjusting groove 13, then fix the positioning plate 61 in the positioning recess 212 in a clamping manner, and pass the positioning bolts 62 through the positioning holes 611 and lock the corresponding scale holes 18, the central position of the positioning plate 61 is provided with a base line 612, and the user can know the height of the second section 22 in the adjusting groove 13 by pointing to the specific scale 17 through the base line 612.

Finally, the interlocking block 30 is composed of two interlocking dies 31, one side of each interlocking die 31 is respectively provided with a through interlocking groove 311 in a concave mode, the interlocking grooves 311 of the two interlocking dies 30 are molded with the second section 22, and the two interlocking dies 31 are fixed through a plurality of bolts 32.

The utility model discloses an above do the structure configuration and relation of connection, the utility model discloses a using-way and efficiency that can produce as follows:

as shown in fig. 3 and 4, when the user rotates the eccentric column 20, since the first section 21 of the eccentric column 20 is fixed in the adjusting hole 14 and the second axis 221 is located at a position deviated from the first axis 211, the second section 22 will move in the adjusting slot 13 when the eccentric column 20 is rotated, when the positioning recess 212 moves to the scale 17 closest to the top surface of the base 10, the positioning plate 61 is clamped in the positioning recess 212, and the positioning pins 62 are fixed in the corresponding positioning holes 611 and locked in the corresponding scale holes 18, at this time, the base line 612 points to the scale 17 closest to the top surface of the base 10, which means that the height of the ejector pin 50 is adjusted to be the highest.

As shown in fig. 5 and 6, when the user wants to lower the height of the ejector pin 50, the positioning plate 61 is released and the eccentric column 20 is rotated, the positioning plate 61 is clamped in the positioning recess 212, and the positioning bolts 62 are fixed in the corresponding positioning holes 611 and locked in the corresponding scale holes 18, at this time, the base line 612 points to the scale 17 closest to the bottom surface of the base 10, which indicates that the height of the ejector pin 50 is adjusted to be the lowest.

The height of the ejector pin 50 can be adjusted by the method, and the problem that the position for adjusting the height of the ejector pin 50 is too far away from the ejector pin 50 is solved.

In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An eccentric adjustment device of liftout round pin, its characterized in that contains:

and the linkage block is arranged in the adjusting groove and connected with the second section of the eccentric column, and the linkage block is used for connecting with the ejection pin.

2. The eccentric adjustment device of the ejector pin according to claim 1, wherein the base further has a plurality of scales and a plurality of scale holes corresponding to the scales on a side surface thereof, and further has a positioning plate and a plurality of positioning pins, the positioning plate has a plurality of positioning holes formed therethrough, and the first section has a positioning recess.

3. The eccentric adjustment device of claim 1, wherein the adjustment slot is recessed from one of the end surfaces of the base, such that the base defines two protrusions on both sides of the adjustment slot, and the adjustment hole extends through the two protrusions and communicates with the adjustment slot, and there are two first sections of the eccentric column, the second section is connected between the two first sections, such that the second section is clamped between the two first sections, one of the first sections is pivotally disposed in one of the adjustment holes, and the other of the first sections is pivotally disposed in the other of the adjustment holes.

4. The eccentric adjusting device of the ejector pin according to claim 1, wherein the linkage block is composed of two linkage modules, one surface of each linkage module is respectively provided with a through linkage groove in a concave manner, the linkage grooves of the two linkage modules mold the second section, and the two linkage modules are fixed through a plurality of bolts.

5. The eccentric adjustment device of the ejector pin of claim 1, wherein the base has opposite ends, one of the ends is connected to a power source, and the other end of the base has the adjustment groove.

6. The eccentric adjustment device of the ejector pin of claim 1, wherein said first section has a first axial center and said second section has a second axial center, the end surface of said first section is connected to the end surface of said second section, and said second axial center is offset from said first axial center such that said first axial center and said second axial center do not meet.