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

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

Device and method for cutting label at the end of a square head, rounded corner and semicircular hole

technical field

The invention relates to the field of metal label production, in particular to a label cutting device and method at the end of a square head, rounded corner and semicircular hole.

Background technique

Metal labels have a large number of applications in the industrial field, with characters (collectively referred to as numbers, letters, various symbols and various patterns) on them. The metal label used to print the vulcanized tire number on the surface of the tire is required to have a square chamfered structure at the end of the label for aesthetics (as shown in Figure 2 and Figure 3), and requires a small hole on the tire mold Installation and positioning (achieved by the small holes at both ends of the labels in Figures 2 and 3).

In the existing public literature, the Chinese patent with the patent number of ZL201010232108.5 provides a fan-shaped label forming and shearing device, and the Chinese patent with the publication number of CN2628195 provides a special device for cutting metal strips. The device gives the composition of the shearing system, but does not give the realization method and technology of the shape and structure of the end.

The inventor believes that the difficulty in the production process of the metal label with the end of the square head, round corner and semi-circle hole is that it is still necessary to maintain the machining accuracy under the condition of maintaining continuous machining.

SUMMARY OF THE INVENTION

Aiming at the shortcomings of the current metal label device and method lacking a square-head chamfered structure, and the insurmountable technical contradictions of the current method for continuously processing square-head chamfered metal labels, the present invention aims to provide a square-head chamfered metal label. A device and method for cutting a label at the end of a rounded semicircular hole, which adopts a device suitable for processing square-headed chamfered metal labels, which can ensure that the square-headed, rounded, and semicircular holes of the metal label can still be accurately processed under high-efficiency processing conditions. .

The first object of the present invention is to provide a label cutting device at the end of a square head, rounded corner and semicircular hole.

The second object of the present invention is to provide a method for cutting a label at the end of a square-headed, rounded, and semi-circular hole.

In order to realize the above-mentioned purpose of the invention, the present invention discloses the following technical solutions:

In the first aspect, the present invention discloses a label cutting device with a square head, rounded corners and a semicircular hole at the end, including a concave die, a material guide groove, a reference plate, a punch, a guide column, a spring, a pressing and discharging plate, and a punch. It is connected to the reference plate, and the reference plate is connected to the guide column; the female die is installed on the base, the punch and the guide column pass through the pressing and discharging plate, and the punch, the guiding column and the pressing and discharging plate are in clearance fit to ensure the Relative movement, the spring is sleeved on the guide column;

The end face of the punch forms a blade for cutting the end of the square-headed rounded semi-circular hole. The blades on both sides are symmetrically arranged, and the blades on one side include rounded blades, straight blades, transitional arc blades and semi-circular hole blades connected in sequence. .

Further, the rounded cutting edge of the punch is tangent to the straight cutting edge, the straight cutting edge of the punch is tangent to the transition arc cutting edge, and the transition circular arc cutting edge and the semi-circular hole cutting edge are circumscribed.

Further, the end face of the punch has a first rectangular portion, a first rounded edge, a first straight edge, a first transition arc edge, a first semi-circular hole edge, a second transition arc edge, a second Straight edge, second rounded edge, second rectangular portion, third rounded edge, third straight edge, third transition arc edge, second semi-circular hole edge, fourth transition arc edge, fourth straight edge and Fourth rounded edge.

Further, the first semicircular hole cutting edge is symmetrical along the first symmetry line, the second semicircular hole cutting edge is also symmetrical along the first symmetry line, and the first rectangular portion and the second rectangular portion are also along the first symmetry line symmetry.

Further, the radius of the first transition arc blade and the second transition arc blade are the same; the radius of the first rounded blade, the second rounded blade, the third rounded blade and the fourth rounded blade The same, the length of the first linear blade, the second linear blade, the third linear blade and the fourth linear blade are the same, the first transition arc blade, the second transition arc blade, the third transition arc blade The same radius as the fourth transition arc edge.

Further, the structure of the concave die is adapted to the punch.

Further, the guide groove is used to guide the label to be cut, and the guide groove has a channel for the label to be cut to pass through; the punch and the female die are located on the upper and lower sides of the channel, respectively side.

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 pressing and discharging plate; the reference plate is connected to the reciprocating power source.

In a second aspect, the present invention discloses a method for cutting a label at the end of a square-headed, rounded, semi-circular hole, using the described device for cutting a label at the end of a square-headed, rounded, and semicircular hole, including the following steps:

1) Introduce the label to be cut into the feeding chute;

2) The label to be cut moves forward gradually with the drive of the power source;

3) Every fixed time, or every time the label to be cut moves a certain distance, the reciprocating power source is started in the forward direction, driving the reference plate to descend in the vertical direction, and the pressing and unloading plate The cutting label is pressed and the end face of the punch cuts the end of the label to be cut. After the cutting is completed, the reciprocating power source is reversely activated to drive the reference plate to reset, and the pressing and unloading plate will form the label. Push out from punch.

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

1) In the present invention, a punch is used to punch and cut the metal label. During the production process of the metal label, the process of cutting and chamfering can be completed at one time, saving the process.

2) In the present invention, the mechanism of automatic reciprocating motion is adopted, which has high degree of automation, forming accuracy and production efficiency, and has a simple structure and is easy to use, and the structure of cutting each end of two labels at a time ensures the continuous forming of the labels.

3) In the present invention, for the special shape of the square head, round corner and semi-circle hole, the execution components for cutting the fillet and the cutting section are integrated, thereby simplifying the complexity of the device.

Description of drawings

The accompanying drawings forming a part of the present invention are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute an improper limitation of the present invention.

Fig. 1 is the overall schematic diagram of embodiment 1;

2 is a schematic diagram of a single label in the background technology;

Fig. 3 is the schematic diagram of embodiment 2;

FIG. 4 is a schematic view of the end faces of the punches in Example 1 and Example 2. FIG.

In the figure, 1, the die, 2, the guide groove, 3, the reference plate, 4, the punch, 5, the guide column, 6, the spring, 7, the pressing and stripping plate, 100, the square head end, 200, the semicircle Hole, 300, Number, 400, Square Rounded End, 500, Position to Cut, 501, Formed End, 4-1, Rounded Edge, 4-2, Straight Edge, 4-3, Transitional Arc Edge , 4-4, the semi-circular hole blade, 4-5, the first rectangular part, 4-6, the second rectangular part.

Detailed ways

It should be noted that the following detailed description is exemplary and intended to provide further explanation of the invention. Unless otherwise defined, 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. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the present invention, furthermore, the terms "first", "second", "third" etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

As described in the background art, in view of the deficiencies of the current metal label device and method lacking a square-head chamfered structure, and the insurmountable technical contradictions of the current method for continuously processing square-head chamfered metal labels, the present invention aims to Provided is a square head rounded semi-circular hole end label cutting device and method, which adopts a device suitable for processing square head chamfered metal labels, which can ensure that the metal labels can still be accurately processed under the condition of high efficiency processing. The end of the semicircular hole with the square head and the rounded corner will now be further described with reference to the accompanying drawings and specific embodiments.

Example 1

This embodiment discloses a label cutting device at the end of a square head, rounded corner and semicircular hole, which includes a female die 1, a material guide groove, a reference plate 3, a punch 4, a guide column 5, a spring 6, and a pressing and discharging plate 7 , the punch 4 is connected to the reference plate 3, and the reference plate 3 is connected to the guide column 5; the female die 1 is installed on the base, the punch 4 and the guide column 5 pass through the pressing material discharge plate 7, the punch 4, the guide column 5 The spring 6 is sleeved on the guide column 5 in clearance fit with the pressing and discharging plate 7 to ensure relative movement.

This embodiment is aimed at making the square head chamfering of the small hole of the strip metal label. Therefore, the specific shape of the square head chamfering needs to be introduced. The square head chamfering is a kind of chamfering after processing the four corners of the rectangular label. Its angle is 45°.

Therefore, the punch 4 in this embodiment is used as a cutting tool, and the material to be cut is the continuous strip-shaped metal label to be cut located on the production line in this embodiment.

In the previous production process, the rounded corners and small holes of the metal label were cut after the metal label was cut into individual pieces. The disadvantage of this production method is that each single metal label needs to be positioned when cutting the chamfer, which is time-consuming. In this embodiment, after studying the processing of the metal label, 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 method can be optimized.

The end face of the punch 4 in this embodiment specifically includes the end face of the punch 4 forming a blade for cutting the end of the square-headed rounded semi-circular hole, the blades on both sides are symmetrically arranged, and the blades on one side include rounded corners connected in sequence Blade 4-1, straight blade 4-2, transition arc blade and semicircular hole blade 4-4.

The rounded cutting edge 4-1 of the punch 4 is tangent to the straight cutting edge 4-2, the straight cutting edge 4-2 of the punch 4 is tangent to the transition arc cutting edge, and the transition circular arc cutting edge and the semi-circular hole cutting edge are tangent. 4-4 outer cuts.

The end face of the punch 4 has a first rectangular portion 4-5, a first rounded edge 4-1, a first straight edge 4-2, a first transition arc edge, and a first semicircular hole edge 4- 4. The second transition arc blade, the second straight blade 4-2, the second rounded blade 4-1, the second rectangular part 4-6, the third rounded blade 4-1, the third straight blade 4-2 , the third transition arc blade, the second semi-circular hole blade 4-4, the fourth transition arc blade, the fourth straight blade 4-2 and the fourth rounded blade 4-1.

The first semicircular hole cutting edge 4-4 is symmetrical along the first symmetry line (ie, the X axis in the figure), the second semicircular hole cutting edge 4-4 is also symmetrical along the first symmetry line, and the first rectangular portion 4 -5 and said second rectangular portion 4-6 are also symmetrical along the first line of symmetry.

The radius 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 radius of the fourth rounded cutting edge 4-1 is the same, and the lengths of the first straight cutting edge 4-2, the second straight cutting edge 4-2, the third straight cutting edge 4-2 and the fourth straight cutting edge 4-2 are the same, The first transition arc blade 4-3, the second transition arc blade, the third transition arc blade 4-3 and the fourth transition arc blade 4-3 have the same radius.

The structure of the female die 1 is compatible with the male die 4 .

The guide trough is used to guide the labels to be cut, and includes a channel for the labels to be cut to pass through; the punch 4 and the die 1 are located on the upper and lower sides of the channel, respectively.

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 pressing and discharging plate 7 .

It can be understood that the reference plate 3 is connected to a reciprocating power source, and a motor can be selected as the reciprocating power source.

It should be noted that, the first rectangular portion and the second rectangular portion may be end faces, and the end faces are flush with the cutting edge, or may be a plurality of blunt cutting edges arranged only in a rectangular shape.

Example 2

Embodiment 2 discloses a method for cutting a label at the end of a square-headed, rounded, semi-circular hole, using the device for cutting a label at the end of a square-headed, rounded, and semicircular hole disclosed in Embodiment 1, including the following steps:

1) Introduce the label to be cut into the feeding chute;

2) The label to be cut moves forward gradually with the drive of the power source;

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, driving the reference plate 3 to descend in the vertical direction, and the pressing and discharging plate 7. Press the label to be cut first, and the end face of the punch 4 cuts the label to be cut. After the cutting is completed, the reciprocating power source is reversed to drive the reference plate 3 to reset, and the pressing and discharging plate 7 Push the formed label out of the punch.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within 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.

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