CN111229935B - Square-head round-corner semicircular hole end label shearing device and method - Google Patents

Square-head round-corner semicircular hole end label shearing device and method Download PDF

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Publication number
CN111229935B
CN111229935B CN202010071259.0A CN202010071259A CN111229935B CN 111229935 B CN111229935 B CN 111229935B CN 202010071259 A CN202010071259 A CN 202010071259A CN 111229935 B CN111229935 B CN 111229935B
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China
Prior art keywords
cutting edge
label
male die
semicircular hole
cutting
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Expired - Fee Related
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CN202010071259.0A
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Chinese (zh)
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CN111229935A (en
Inventor
路长厚
陈淑江
张建川
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Shandong University
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Shandong University
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Publication of CN111229935A publication Critical patent/CN111229935A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/02Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14Dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/34Perforating tools; Die holders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Making Paper Articles (AREA)

Abstract

The invention discloses a shearing device and a shearing method for a square-head rounded semi-circular hole end label, which comprise a female die, a material guide chute, a reference plate, a male die, a guide post, a spring and a material pressing and discharging plate, wherein the male die is 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 and the guide post penetrate through the material pressing unloading plate, the male die, the guide post and the material pressing unloading plate are in clearance fit, relative movement is guaranteed, and the guide post is sleeved with the spring; the end face of the male die forms a cutting edge used for cutting the end part of the square head fillet semicircular hole, the cutting edges on two sides are symmetrically arranged, and the cutting edge on one side comprises a fillet cutting edge, a linear cutting edge, a transition circular arc cutting edge and a semicircular hole cutting edge which are sequentially connected. The invention can ensure that the square head round corner semicircular hole of the metal label can still be accurately processed under the condition of high-efficiency processing.

Description

Square-head round-corner semicircular hole end label shearing device and method
Technical Field
The invention relates to the field of metal label manufacturing, in particular to a label shearing device and method for an end part of a square head round corner semicircular hole.
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 (as shown in figures 2 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 labels in figures 2 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 a difficulty in the manufacturing process of a metal label with a square-headed, rounded and semicircular hole end is that the processing precision still needs to be maintained under the condition of maintaining continuous processing.
Disclosure of Invention
The invention aims to provide a device and a method for shearing a label at the end part of a square head round corner semicircular hole, aiming at the defects of a metal label device and a method which lack a machined square head chamfer structure at present and the defects of technical contradictions which are difficult to overcome in the method for continuously machining the square head chamfer metal label at present.
The invention aims to provide a label shearing device with square head, round angle and semicircular hole end parts.
The invention provides a method for cutting a label at the end part of a square head round corner semicircular hole.
In order to realize the purpose, the invention discloses the following technical scheme:
the invention discloses a shearing device for a label at the end part of a square-head round-corner semicircular hole, which comprises a female die, a material guide groove, a reference plate, a male die, a guide column, a spring and a material pressing and discharging plate, wherein the male die is connected with the reference plate, and the reference plate is connected with the guide column; the female die is arranged on the base, the male die and the guide post both penetrate through the material pressing and discharging plate, the male die, the guide post and the material pressing and discharging plate are in clearance fit to ensure relative movement, and the guide post is sleeved with the spring;
the end face of the male die forms a cutting edge used for cutting the end part of the square head fillet semicircular hole, the cutting edges on two sides are symmetrically arranged, and the cutting edge on one side comprises a fillet cutting edge, a linear cutting edge, a transition circular arc cutting edge and a semicircular hole cutting edge which are sequentially connected.
Further, the fillet cutting edge of the convex die is tangent to the linear cutting edge, the linear cutting edge of the convex die is tangent to the transition circular cutting edge, and the transition circular cutting edge is circumscribed to the semicircular hole cutting edge.
Furthermore, the terminal surface of terrace die has order closed loop connection's first rectangle portion, first fillet cutting edge, first straight line cutting edge, first transition circular arc cutting edge, first semicircle hole cutting edge, second transition circular arc cutting edge, second straight line cutting edge, second fillet cutting edge, second rectangle portion, third fillet cutting edge, third straight line cutting edge, third transition circular arc cutting edge, second semicircle hole cutting edge, fourth transition circular arc cutting edge, fourth straight line cutting edge and fourth fillet cutting edge.
Further, the first semicircular hole cutting edge is symmetrical along a first symmetry line, the second semicircular hole cutting edge is also symmetrical along the first symmetry line, and the first rectangular part and the second rectangular part are also symmetrical along the first symmetry line.
Further, the radii of the first transition arc blade and the second transition arc blade are the same; the radius of first fillet cutting edge, second fillet cutting edge, third fillet cutting edge and fourth fillet cutting edge is the same, the length of first straight line cutting edge, second straight line cutting edge, third straight line cutting edge and fourth straight line cutting edge is the same, the radius of first transition circular arc cutting edge, second transition circular arc cutting edge, third transition circular arc cutting edge and fourth transition circular arc cutting edge is the same.
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 method for shearing a label at the end part of a square head fillet semicircular hole, which uses the device for shearing the label at the end part of the square head fillet semicircular 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) and at fixed intervals, or when the label to be cut moves a certain distance, 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 firstly, the end face of the male die cuts the end part of the label to be cut, after the cutting is 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 male die.
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 processes of cutting and chamfering can be finished 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) According to the invention, aiming at the special shape of the square head round corner semicircular hole, the execution parts for cutting the round corner and the section are integrated, so that the complexity of the device is simplified.
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.
FIG. 1 is a schematic view of the whole of embodiment 1;
FIG. 2 is a schematic illustration of a single tag in the background art;
FIG. 3 is a schematic view of example 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 head end part, 200, a semicircular hole, 300, a number, 400, a square head fillet end part, 500, a position to be cut, 501, a forming end part, 4-1, a fillet edge, 4-2, a straight line edge, 4-3, a transition circular arc edge, 4-4, a semicircular hole edge, 4-5, a first rectangular part, 4-6 and a second rectangular part.
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, aiming at the defects of the conventional metal label device and method lacking a square head chamfer structure and the defects of the conventional method for continuously processing a square head chamfer metal label, which are difficult to overcome, the invention aims to provide a label shearing device and method for a square head fillet semicircular hole end part.
Example 1
The embodiment discloses a label shearing device for a square-head fillet semicircular hole end part, which comprises a female die 1, a material guide groove, a reference plate 3, a male die 4, a guide post 5, a spring 6 and a material pressing and discharging plate 7, wherein the male die 4 is connected to the reference plate 3, and the reference plate 3 is connected with the guide post 5; the die 1 is installed at the base, and terrace die 4 and guide post 5 all pass and press the material stripper 7, and clearance fit between terrace die 4, guide post 5 and the material stripper 7 guarantees can relative motion, and spring 6 cover is on guide post 5.
This embodiment is directed at the aperture square head chamfer in bar metal label and makes, consequently need introduce the concrete shape of square head chamfer, and the square head chamfer is the chamfer after four angles processing 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 rounded corners and holes of the metal labels were cut after the metal labels were 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 the present embodiment, after the processing of the metal label is studied, it is considered that the two steps of cutting the fillet and cutting the single body can be combined into one step, and the positioning manner is optimized.
The end face of the male die 4 in the embodiment specifically comprises a cutting edge formed on the end face of the male die 4 and used for cutting the end part of the square head round corner semicircular hole, the cutting edges on two sides are symmetrically arranged, and the cutting edge on one side comprises a round corner cutting edge 4-1, a straight line cutting edge 4-2, a transition circular arc cutting edge and a semicircular hole cutting edge 4-4 which are sequentially connected.
The round corner knife edge 4-1 of the convex die 4 is tangent to the linear knife edge 4-2, the linear knife edge 4-2 of the convex die 4 is tangent to the transition circular arc knife edge, and the transition circular arc knife edge is circumscribed to the semicircular hole knife edge 4-4.
The end face of the convex die 4 is provided with a first rectangular part 4-5, a first round angle blade 4-1, a first straight line blade 4-2, a first transition circular arc blade, a first semicircular hole blade 4-4, a second transition circular arc blade, a second straight line blade 4-2, a second round angle blade 4-1, a second rectangular part 4-6, a third round angle blade 4-1, a third straight line blade 4-2, a third transition circular arc blade, a second semicircular hole blade 4-4, a fourth transition circular arc blade, a fourth straight line blade 4-2 and a fourth round angle blade 4-1 which are sequentially connected in a closed loop mode.
The first semicircular hole cutting edge 4-4 is symmetrical along a first symmetry line (i.e., an X-axis in the drawing), the second semicircular hole cutting edge 4-4 is also symmetrical along the first symmetry line, and the first rectangular part 4-5 and the second rectangular part 4-6 are also symmetrical along the first symmetry line.
The radii of the first transition arc blade and the second transition arc blade are the same; the first rounded blade 4-1, the second rounded blade 4-1, the third rounded blade 4-1 and the fourth rounded blade 4-1 have the same radius, the first linear blade 4-2, the second linear blade 4-2, the third linear blade 4-2 and the fourth linear blade 4-2 have the same length, and the first transition circular blade 4-3, the second transition circular blade, the third transition circular blade 4-3 and the fourth transition circular blade 4-3 have the same radius.
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 at 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 first rectangular portion and the second rectangular portion may be end surfaces, and the end surfaces are flush with the blade; or a plurality of blunt blades which are only arranged in a rectangular shape.
Example 2
Embodiment 2 discloses a method for cutting a label at an end of a square head, a round corner and a semicircular hole, which uses the device for cutting an end label of a square head, a round corner and a semicircular 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 forward direction to drive the reference plate 3 to descend in the vertical direction, the label to be cut is pressed by the material pressing and discharging plate 7, the label to be cut is cut on the end face of the male die 4, after the cutting is finished, the reciprocating power source is started in the reverse direction to drive the reference plate 3 to reset, and the material pressing and discharging plate 7 pushes out the formed label from the male 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 (4)

1. A label shearing device for a square head fillet semicircular hole end part is characterized by comprising a female die, a material guide groove, a reference plate, a male die, a guide column, a spring and a material pressing and discharging plate, wherein the male die is connected with the reference plate, and the reference plate is connected with the guide column; the female die is arranged on the base, the male die and the guide post penetrate through the material pressing discharging plate, the male die, the guide post and the material pressing discharging plate are in clearance fit to ensure relative movement, the guide post is sleeved with the spring, and the structure of the female die is matched with that of the male die;
the end face of the male die is provided with a cutting edge for cutting the end part of a square-head fillet semicircular hole, the cutting edges on two sides are symmetrically arranged, the cutting edge on one side comprises a fillet cutting edge, a linear cutting edge, a transitional arc cutting edge and a semicircular hole cutting edge which are sequentially connected, an executing part for cutting the fillet and the section is integrated, the two steps of cutting the fillet and cutting the single body are combined into one step, and the formed label is pushed out of the male die by the material pressing and unloading plate;
the end face of the male die is provided with a first rectangular part, a first round angle cutting edge, a first linear cutting edge, a first transition circular arc cutting edge, a first semicircular hole cutting edge, a second transition circular arc cutting edge, a second linear cutting edge, a second round angle cutting edge, a second rectangular part, a third circular angle cutting edge, a third linear cutting edge, a third transition circular arc cutting edge, a second semicircular hole cutting edge, a fourth transition circular arc cutting edge, a fourth linear cutting edge and a fourth circular angle cutting edge which are sequentially connected in a closed loop manner;
the first semicircular hole cutting edge is symmetrical along a first symmetry line, the second semicircular hole cutting edge is also symmetrical along the first symmetry line, the first rectangular part and the second rectangular part are also symmetrical along the first symmetry line, the round corner cutting edge of the male die is tangent to the linear cutting edge, the linear cutting edge of the male die is tangent to the transition arc cutting edge, and the transition arc cutting edge is circumscribed with the semicircular hole cutting edge;
the upper end of the spring can be contacted with the reference plate, and the lower end of the spring can be contacted with the material pressing and discharging plate; the reference plate is connected with a reciprocating power source;
when the label cutting machine is used for cutting, the reciprocating power source is started in the positive direction to drive the reference plate to descend in the vertical direction every fixed time or every certain distance of the label to be cut, the label to be cut is pressed by the pressing and discharging plate, the end part of the label to be cut is cut by the end face of the male die, after the cutting is finished, the reciprocating power source is started in the reverse direction to drive the reference plate to reset, and the pressing and discharging plate pushes out a formed label from the male die.
2. The square-head rounded-corner semi-circular-hole end label trimmer of claim 1 wherein said first transitional circular-arc blade and said second transitional circular-arc blade have the same radius; the radius of first fillet cutting edge, second fillet cutting edge, third fillet cutting edge and fourth fillet cutting edge is the same, the length of first straight line cutting edge, second straight line cutting edge, third straight line cutting edge and fourth straight line cutting edge is the same, the radius of first transition circular arc cutting edge, second transition circular arc cutting edge, third transition circular arc cutting edge and fourth transition circular arc cutting edge is the same.
3. The square head rounded semi-circular bore end label trimmer of claim 1 wherein said chute is adapted to guide labels to be cut, said chute having a passageway for the 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.
4. A method for cutting labels on square-head rounded-corner semicircular hole end parts, which uses the label cutting device for square-head rounded-corner semicircular hole end parts as claimed in any one of claims 1 to 3, 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;
3) and at fixed time intervals or every certain distance of the movement of the label to be cut, the reciprocating power source is started in the positive direction to drive the reference plate to descend in the vertical direction, the label to be cut is pressed by the material pressing and discharging plate, the end part of the label to be cut is cut by the end surface of the male die, after the cutting is 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 male die.
CN202010071259.0A 2020-01-21 2020-01-21 Square-head round-corner semicircular hole end label shearing device and method Expired - Fee Related CN111229935B (en)

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CN202010071259.0A CN111229935B (en) 2020-01-21 2020-01-21 Square-head round-corner semicircular hole end label shearing device and method

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CN202010071259.0A CN111229935B (en) 2020-01-21 2020-01-21 Square-head round-corner semicircular hole end label shearing device and method

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201592499U (en) * 2009-09-28 2010-09-29 青岛联鑫机械有限公司 Tyre wall plate of tyre segmental mold
CN201728283U (en) * 2010-05-13 2011-02-02 福州鑫威电器有限公司 Die for punching and trimming flexible-connection copper strip
CN201776617U (en) * 2010-07-21 2011-03-30 山东大学 Shearing device for formation of fan-shaped strip tag
CN202169309U (en) * 2011-07-19 2012-03-21 江阴华新电器有限公司 Punching and cutting combined mould equipment
CN202461254U (en) * 2011-08-22 2012-10-03 北京维通利电气有限公司 Die for punching and shearing flexible connector with holes and length discrepancy

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201592499U (en) * 2009-09-28 2010-09-29 青岛联鑫机械有限公司 Tyre wall plate of tyre segmental mold
CN201728283U (en) * 2010-05-13 2011-02-02 福州鑫威电器有限公司 Die for punching and trimming flexible-connection copper strip
CN201776617U (en) * 2010-07-21 2011-03-30 山东大学 Shearing device for formation of fan-shaped strip tag
CN202169309U (en) * 2011-07-19 2012-03-21 江阴华新电器有限公司 Punching and cutting combined mould equipment
CN202461254U (en) * 2011-08-22 2012-10-03 北京维通利电气有限公司 Die for punching and shearing flexible connector with holes and length discrepancy

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