CN111229937A

CN111229937A - Device and method for shearing label at end part of small-hole square head chamfer

Info

Publication number: CN111229937A
Application number: CN202010071633.7A
Authority: CN
Inventors: 路长厚; 陈淑江; 张建川
Original assignee: Shandong University
Current assignee: Shandong University
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-06-05

Abstract

The invention discloses a device and a method for shearing a label at the end part of a square head chamfer of a small hole, and the device and the method comprise a female die, a material guide chute, a reference plate, a male die, a small hole punching needle, a guide post, a spring and a material pressing and discharging plate, wherein the small hole punching needle and the male die are connected with the reference plate, and the reference plate is connected with the guide post; the female die is arranged on the base, the male die, the small hole punching needle and the guide column penetrate through the material pressing and discharging plate, the male die, the small hole punching needle guide column and the material pressing and discharging plate are in clearance fit, relative movement is guaranteed, and the guide column is sleeved with the spring; the end face of the male die comprises a rectangular part and two triangular parts, and the upper end and the lower end of the rectangular part are respectively connected with one triangular part; the rectangular portion is used for cutting adjacent labels, and the triangular portion is used for cutting chamfers of the labels. The invention can ensure that the small-hole square head chamfer of the metal label can still be accurately processed under the condition of high-efficiency processing.

Description

Device and method for shearing label at end part of small-hole square head chamfer

Technical Field

The invention relates to the field of metal label manufacturing, in particular to a device and a method for shearing a label at the end part of a small-hole square head chamfer angle.

Background

Metal labels have a large number of applications in the industrial field, with characters (the general term for numbers, letters, various symbols and various patterns) thereon. The metal label for printing the vulcanized tire number on the surface of the tire requires that the end part of the label is in a square head chamfer structure (shown in figures 1 and 3) for aesthetic reasons, and requires that a small hole is arranged and positioned on the tire mold (realized by the small holes at the two ends of the label in figures 1 and 3).

In the existing public literature, a Chinese patent with the patent number ZL201010232108.5 provides a fan-shaped label forming and cutting device, a Chinese patent with the patent number CN2628195 provides a special device for cutting a metal strip, the device provides a cutting system structure, and an implementation method and a technology of an end part shape and a structure are not provided.

The inventor believes that the difficulty in the manufacturing process of the metal label with the square-head chamfer of the small hole is that the processing precision still needs to be maintained under the condition of maintaining continuous processing.

Disclosure of Invention

Aiming at the defects of the conventional metal label device and method which lack a machined square head chamfer structure and the defects of the technical contradiction which is difficult to overcome in the conventional method for continuously machining the square head chamfer metal label of the small hole, the invention aims to provide a device and a method for shearing the label at the end part of the square head chamfer of the small hole.

The invention aims to provide a label shearing device for a square-head chamfer end part of a small hole.

The invention provides a label cutting method for a square-head chamfer end part of a small hole.

In order to realize the purpose, the invention discloses the following technical scheme:

the invention discloses a device for shearing a label at the end part of a small-hole square-head chamfer, which comprises a female die, a material guide chute, a reference plate, a male die, a small-hole punching needle, a guide post, a spring and a material pressing and discharging plate, wherein the small-hole punching needle and the male die are connected with the reference plate, and the reference plate is connected with the guide post; the female die is arranged on the base, the male die, the small hole punching needle and the guide column penetrate through the material pressing discharge plate, the male die, the small hole punching needle guide column and the material pressing discharge plate are in clearance fit, relative movement is guaranteed, and the guide column is sleeved with the spring.

Furthermore, the end face of the male die comprises a rectangular part and two triangular parts, and the upper end and the lower end of the rectangular part are both connected with the triangular parts; the rectangular portion is used for cutting adjacent labels, and the triangular portion is used for cutting chamfers of the labels.

Furthermore, the end face of the male die is provided with first to eighth blades, wherein the first to third blades form a first triangular part, the fifth to seventh blades form a second triangular part, the tail end of the first blade is connected with the eighth blade, the tail end of the third blade is connected with the fourth blade, the tail end of the fifth blade is connected with the fourth blade, and the tail end of the seventh blade is connected with the eighth blade.

Further, the fourth blade is parallel to the eighth blade, the second blade is parallel to the sixth blade, the first blade is parallel to the fifth blade, and the third blade is parallel to the seventh blade; the fourth cutting edge is perpendicular to the second cutting edge, and the sixth cutting edge is perpendicular to the fourth cutting edge.

Further, the angle between the first edge and the second edge is 45 °, and the angle between the third edge and the second edge is 45 °; the angle between the sixth cutting edge and the fifth cutting edge is 45 °, and the angle between the sixth cutting edge and the seventh cutting edge is 45 °.

Furthermore, the small hole punching needles comprise two small hole punching needles which are respectively positioned at two sides of the male die.

Further, the structure of the female die is matched with that of the male die.

Further, the guide chute is used for guiding the label to be cut, and is provided with a passage for the label to be cut to pass through; the male die and the female die are respectively positioned on the upper side and the lower side of the channel.

Further, the upper end of the spring can be in contact with the reference plate, and the lower end of the spring can be in contact with the material pressing and discharging plate; the reference plate is connected with a reciprocating power source.

In a second aspect, the invention discloses a label shearing method for a square head chamfer end of a small hole, which uses the label shearing device for the square head chamfer end of the small hole and comprises the following steps:

1) guiding the label to be cut into a material pouring groove;

2) the label to be cut is driven by the power source to advance step by step;

3) every fixed time t1, or every time the label to be cut moves a certain distance s1, the reciprocating power source is started in the positive direction to drive the reference plate to descend in the vertical direction, the material pressing and discharging plate presses the label to be cut first, the end face of the punch cuts the label to be cut, the small hole punching needle punches a hole on the label to be cut, after the cutting and the punching are finished, the reciprocating power source is started in the reverse direction to drive the reference plate to reset, and the material pressing and discharging plate pushes the formed label out of the punch.

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

1) in the invention, the metal label is blanked and cut by using the male die and the small-hole drill point, and the processes of punching, cutting and chamfering can be completed at one time in the production process of the metal label, so that the process is saved.

2) According to the invention, the automatic reciprocating mechanism is adopted, so that the automatic forming machine has the advantages of high automation degree, forming precision and production efficiency, simple structure and convenience in use, and the continuous forming of the labels is ensured by cutting one end structure of each of the two labels at a time.

3) In the invention, the shapes of the two sides of the male die are kept consistent so as to ensure the consistent specification of the final sliced finished product, and meanwhile, because the working mode of the invention is reciprocating movement in the vertical direction, the invention can also avoid the phenomenon of beveling and can ensure the final processing effect.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

Figure 1 is a schematic diagram of a single tag in the background art,

figure 2 is an overall schematic view of embodiment 1,

figure 3 is a schematic view of the embodiment 2,

fig. 4 is a schematic end view of the punches of examples 1 and 2.

In the figure, 1, a female die, 2, a guide groove, 3, a reference plate, 4, a male die, 5, a guide column, 6, a spring, 7, a material pressing and discharging plate, 100, a square end part, 200, a round hole, 300, a number, 400, a chamfer, 500, a to-be-sheared position, 501, a forming end part, 41, a first blade, 42, a second blade, 43, a third blade, 44, a fourth blade, 45, a fifth blade, 46, a sixth blade, 47, a seventh blade, 48, an eighth blade, 51, a first small hole punching needle, 52 and a second small hole punching needle.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", etc., are only used for descriptive purposes and are not intended to indicate or imply relative importance.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As described in the background art, the present invention aims to provide a device and a method for cutting an end label of a square head chamfer of a small hole, which adopts a device suitable for processing a metal label of a square head chamfer of a small hole, so as to ensure that the square head chamfer of the small hole of the metal label can be accurately processed under the condition of high-efficiency processing, and the present invention is further described with reference to the attached drawings and the specific embodiments.

Example 1

The embodiment discloses a label shearing device for a small-hole square-head chamfer end part, which comprises a female die 1, a material guide chute, a reference plate 3, a male die 4, a small-hole punching needle, a guide post 5, a spring 6 and a material pressing and discharging plate 7, wherein the small-hole punching needle and the male die 4 are connected to the reference plate 3, and the reference plate 3 is connected with the guide post 5; the female die 1 is arranged on the base, the male die 4, the small hole punching needle and the guide column 5 all penetrate through the material pressing discharging plate 7, the male die 4, the small hole punching needle guide column 5 and the material pressing discharging plate 7 are in clearance fit, relative movement is guaranteed, and the spring 6 is sleeved on the guide column 5.

This embodiment is to making in bar metal label's aperture square head chamfer, consequently need introduce the concrete shape of square head chamfer, and the square head chamfer is one kind and withdraws the chamfer of position at four angles of rectangle label, and its angle is 45.

The punch 4 in this embodiment therefore acts as a cutting tool to cut the material, i.e. the metal label to be cut, which is to be cut in the form of a continuous strip, in the production line of this embodiment.

In previous production processes, the chamfer of the metal label was cut after the metal label was cut into individual pieces. The disadvantage of this production method is that it is time-consuming to position each individual metal label during the cutting of the chamfer. In this embodiment, after the holy mountain processing of the metal tag is studied, it is considered that the two steps of cutting the chamfer and cutting the single body can be combined into one step, and the positioning manner can be optimized.

The end face of the male die 4 in this embodiment specifically includes a rectangular portion and two triangular portions, and the upper end and the lower end of the rectangular portion are both connected to the triangular portion, and it can be understood that the two triangular portions act to directly cut the chamfer.

Therefore, the end face of the punch 4 in this embodiment includes 8 blades in total, the first to eighth blades 48, wherein the first to third blades 43 constitute a first triangular portion, the fifth to seventh blades 47 constitute a second triangular portion, the end of the first blade 41 is connected to the eighth blade 48, the end of the third blade 43 is connected to the fourth blade 44, the end of the fifth blade 45 is connected to the fourth blade 44, and the end of the seventh blade 47 is connected to the eighth blade 48.

The fourth blade 44 is parallel to the eighth blade 48, the second blade 42 is parallel to the sixth blade 46, the first blade 41 is parallel to the fifth blade 45, and the third blade 43 is parallel to the seventh blade 47; the fourth blade edge 44 is perpendicular to the second blade edge 42, and the sixth blade edge 46 is perpendicular to the fourth blade edge 44; the angle between the first blade edge 41 and the second blade edge 42 is 45 °, and the angle between the third blade edge 43 and the second blade edge 42 is 45 °; the angle between the sixth cutting edge 46 and the fifth cutting edge 45 is 45 deg., and the angle between the sixth cutting edge 46 and the seventh cutting edge 47 is 45 deg..

It will be appreciated that the first and

third blades

41, 43 are two beveled blades relative to the second blade 42 and the fifth and

seventh blades

45, 47 are two beveled blades relative to the sixth blade 46.

The small hole punching needles comprise two small hole punching needles which are respectively positioned at two sides of the male die 4, in particular at two sides of a fourth cutting edge 44 and an eighth cutting edge 48 of the male die 4.

The structure of the female die 1 is adapted to the male die 4.

The guide chute is used for guiding the label to be cut and comprises a passage for the label to be cut to pass through; the male die 4 and the female die 1 are respectively positioned on the upper side and the lower side of the channel.

The spring 6 is sleeved on the guide post, the upper end of the spring 6 can be in contact with the reference plate 3, and the lower end of the spring 6 can be in contact with the material pressing and discharging plate 7.

It is understood that the reference plate 3 is connected to a reciprocating power source, which may be a motor.

It should be noted that the second blade and the sixth blade are blunt blades in this embodiment, and are not used for cutting.

Example 2

Embodiment 2 discloses a method for cutting labels at a square end of a small hole, which uses the device for cutting labels at a square end of a small hole disclosed in embodiment 1, and comprises the following steps:

1) guiding the label to be cut into a material pouring groove;

2) the label to be cut is driven by the power source to advance step by step;

3) every fixed time t1, or every time the label to be cut moves a certain distance s1, the reciprocating power source is started in the positive direction to drive the reference plate 3 to descend in the vertical direction, the pressure material discharging plate 7 presses the label to be cut first, the end face of the convex die 4 cuts the label to be cut, the small hole punching needle punches a hole on the label to be cut, after the cutting and the punching are finished, the reciprocating power source is started in the reverse direction to drive the reference plate 3 to reset, and the pressure material discharging plate 7 pushes out a formed label from the convex die.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A label shearing device for a small-hole square-head chamfer end part is characterized by comprising a female die, a material guide chute, a reference plate, a male die, a small-hole punching needle, a guide post, a spring and a material pressing and discharging plate, wherein the small-hole punching needle and the male die are connected to the reference plate, and the reference plate is connected with the guide post; the female die is arranged on the base, the male die, the small hole punching needle and the guide column penetrate through the material pressing and discharging plate, the male die, the small hole punching needle guide column and the material pressing and discharging plate are in clearance fit, relative movement is guaranteed, and the guide column is sleeved with the spring;

the end face of the male die comprises a rectangular part and two triangular parts, and the upper end and the lower end of the rectangular part are respectively connected with one triangular part; the rectangular portion is used for cutting adjacent labels, and the triangular portion is used for cutting chamfers of the labels.

2. The apparatus for shearing a square-headed chamfer end label as defined in claim 1, wherein the end face of the male die has first to eighth blades, wherein the first to third blades constitute a first triangular portion, the fifth to seventh blades constitute a second triangular portion, the end of the first blade is connected to the eighth blade, the end of the third blade is connected to the fourth blade, the end of the fifth blade is connected to the fourth blade, and the end of the seventh blade is connected to the eighth blade.

3. The aperture square head chamfered end label trimmer of claim 2 wherein said fourth edge is parallel to said eighth edge, said second edge is parallel to said sixth edge, said first edge is parallel to said fifth edge, and said third edge is parallel to said seventh edge; the fourth cutting edge is perpendicular to the second cutting edge, and the sixth cutting edge is perpendicular to the fourth cutting edge.

4. The eyelet crosshead chamfered end label shearing device of claim 3, wherein the angle between said first blade edge and said second blade edge is 45 ° and the angle between said third blade edge and said second blade edge is 45 °; the angle between the sixth cutting edge and the fifth cutting edge is 45 °, and the angle between the sixth cutting edge and the seventh cutting edge is 45 °.

5. The apparatus of claim 1 wherein said pin punch comprises two punch pins, one on each side of said punch.

6. The apparatus of claim 1 wherein said female die is configured to accommodate said male die.

7. The eyelet crosshead chamfered end label shearing device of claim 1, wherein said chute for guiding labels to be cut has a passageway for passage of labels to be cut; the male die and the female die are respectively positioned on the upper side and the lower side of the channel.

8. The apparatus of claim 1 wherein the upper end of said spring is adapted to contact a datum plate and the lower end of said spring is adapted to contact a stripper plate; the reference plate is connected with a reciprocating power source.

9. A method for cutting labels on square end portions of small holes by using the apparatus for cutting labels on square end portions of small holes according to any one of claims 1 to 8, comprising the steps of:

1) guiding the label to be cut into a material pouring groove;

2) the label to be cut is driven by the power source to advance step by step;