CN117647211A - Sizing material length detection device - Google Patents

Abstract

The invention provides a sizing material length detection device which comprises a conveying component, a positioning component, a first detection switch and a second detection switch, wherein at least one part of the positioning component is movably arranged in the conveying component, at least one part of the positioning component can penetrate through the conveying component and is in butt joint with the lower surface of sizing material, the first detection switch is arranged in the conveying component corresponding to the part of the positioning component, which moves relative to the conveying component, and is used for detecting the position state of the part of the positioning component, which moves relative to the conveying component, when the positioning component is in contact with the tail of sizing material, the first detection switch can send out first detection information, and when the moving direction of the conveying component is in the moving direction of the positioning component, the second detection switch is positioned at the downstream of the positioning component, and when the head of sizing material moves to the second detection switch, the second detection switch can send out second detection information. The invention effectively solves the technical problems of difficult adjustment and difficult maintenance in the process of detecting the length of the sizing material by adopting a multi-strip structure.

Description

Sizing material length detection device

Technical Field

The invention relates to the technical field of tire processing and shaping, in particular to a sizing material length detection device.

Background

In the process of processing and forming the passenger radial tire, tread rubber can be subjected to fixed length cutting on a conveying template according to the production requirement length and then conveyed forwards to be attached to the drum surface. In the laminating process, the template conveying speed and the drum rotating speed are required to be matched according to the length of the rubber material measured in advance, so that the normal laminating of the tread rubber material is realized.

In the conventional rubber length inspection process, a tread conveying template is of a multi-strip structure, and a detection press roller and the like can contact with tread rubber through gaps among conveying belts, so that the length of the rubber is detected. However, the conveyor belt of the multi-belt structure is difficult to adjust and difficult to maintain.

Therefore, the technical problems of difficult regulation and difficult maintenance of the multi-strip structure adopted in the sizing material length detection process exist in the center of the prior art.

Disclosure of Invention

The invention mainly aims to provide a sizing material length detection device which is used for solving the technical problems that a multi-strip structure adopted in the sizing material length detection process in the prior art is difficult to adjust and difficult to maintain.

In order to achieve the above object, according to one aspect of the present invention, there is provided a size length detecting device including a conveying assembly for conveying a size; the positioning assembly is at least partially movably arranged in the conveying assembly, and at least partially penetrates through the conveying assembly and is abutted with the lower surface of the sizing material; the first detection switch is arranged in the conveying assembly corresponding to the part of the positioning assembly, which moves relative to the conveying assembly, and is used for detecting the position state of the part of the positioning assembly, which moves relative to the conveying assembly, and can send out first detection information when the positioning assembly is contacted with the tail of the sizing material; the second detection switch is positioned at the downstream of the positioning component in the movement direction of the conveying component, and is positioned above the conveying component, and when the material head of the sizing material moves to the second detection switch, the second detection switch can send out second detection information.

Further, the sizing material length detection device also comprises a processing module, wherein the processing module is used for receiving the first detection information and the second detection information, and determining the length of the sizing material according to the first detection information, the second detection information, the distance between the positioning assembly and the second detection switch and the conveying speed of the conveying assembly.

Further, the first detection information comprises time information T1 of contact of the positioning component and the tail of the sizing material, the second detection information comprises time information T2 of detection of the head of the sizing material by the second detection switch,

when T1-T2 > 0, the length of the sizing material L1= (T1-T2) V+L;

when T1-T2 < 0, the length of the compound l1=l- (T2-T1) V;

when t1=t2, the length of the compound l1=l;

wherein V is the conveying speed of the conveying assembly, and L is the distance between the positioning assembly and the second detection switch.

Further, the sizing material length detection device further comprises: the first press roller is movably arranged above the conveying assembly corresponding to the positioning assembly, and can move along the direction close to or far away from the conveying assembly.

Further, as the tail of the stock passes the first press roll, the positioning assembly moves in a direction toward the first press roll.

Further, the sizing material length detection device further comprises: the locking assembly is arranged above the conveying assembly corresponding to the first pressing roller, and is in a locking state and an unlocking state.

Further, the positioning assembly includes: one end of the swing rod is connected with the conveying assembly, and the other end of the swing rod can swing relative to the conveying assembly; the abutting wheel is rotatably arranged on the swing rod and moves along with the swing rod, and the positioning assembly is abutted with the sizing material through the abutting wheel; and one end of the elastic piece is connected with the conveying assembly, and the other end of the elastic piece is connected with the swing rod so as to provide elastic force for the swing rod to move towards the sizing material.

Further, the sizing material length detection device further comprises a push rod assembly, the push rod assembly can move in a direction away from or close to sizing materials, and at least when the push rod assembly moves in the direction away from the sizing materials, the push rod assembly is abutted with the swing rod.

Further, the ejector pin assembly includes: a driving section; the polished rod, drive portion and polished rod drive connection to make the polished rod can follow the direction motion that is close to or keep away from the sizing material, and polished rod can with pendulum rod butt.

Further, the sizing material length detection device further comprises a positioning detection switch, the positioning detection switch is located on the upper portion of the conveying assembly, the conveying assembly is provided with a positioning hole, the positioning detection switch detects the positioning hole, and the positioning detection switch is connected with the ejector rod assembly through signals.

Further, the conveying assembly is provided with an avoidance hole corresponding to the abutting wheel.

Further, the sizing material length detection device further comprises a sizing material head ejector rod, wherein the sizing material head ejector rod is positioned in the conveying assembly, at least one part of the sizing material head ejector rod can move along the direction away from or close to sizing material, and at least when the sizing material head ejector rod moves along the direction close to sizing material, the sizing material head ejector rod is in butt joint with the sizing material.

Further, the sizing material length detection device further comprises: the heating assembly is positioned above the conveying assembly; and at least one part of the bracket is positioned inside the conveying assembly and is connected with the heating assembly.

According to the technical scheme, the conveying assembly conveys the sizing material to the direction of the forming drum, and the sizing material is positioned on the conveying path of the sizing material through the positioning assembly, wherein at least one part of the positioning assembly can penetrate through the conveying assembly and is abutted with the lower surface of the sizing material, so that when the sizing material passes through the positioning assembly, at least one part of the positioning assembly can be abutted with the lower surface of the sizing material, and the positioning assembly can be always abutted with the sizing material in the process of passing through the positioning assembly. And because the first detection switch is arranged at the part corresponding to the movement of the positioning component relative to the conveying component, the first detection switch is arranged in the conveying component and detects the position state of the part corresponding to the movement of the positioning component relative to the conveying component. Therefore when the tail of the sizing material passes through the positioning component, the positioning component is contacted with the tail of the sizing material, and as the tail of the sizing material is provided with the chamfer, the position of the positioning component can change after the positioning component is contacted with the tail of the sizing material, so that the first detection switch can detect the position change of the positioning component, and the first detection switch can send out first detection information, so that the time information when the tail of the sizing material passes through the positioning component is determined. And, because the second detecting switch is arranged at the downstream of the positioning component in the moving direction of the conveying component, and the second detecting switch is positioned above the conveying component, when the material head of the sizing material moves to the second detecting switch, the second detecting switch can send out second detecting information, so that the time information when the material head of the sizing material passes through the second detecting switch is determined, and the length of the sizing material can be determined by calculating by combining the first detecting information and the second detecting information and other fixed parameters in the length detecting device, such as the conveying speed of the conveying component, the distance between the positioning component and the second detecting switch and the like. Therefore, the sizing material length detection device effectively solves the technical problems that in the sizing material length detection process in the prior art, the adjustment is difficult and the maintenance is difficult due to the adoption of a multi-strip structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of a size length detection device according to the present invention;

FIG. 2 shows a schematic diagram of the location of a compound in an embodiment of a compound length detection device according to the present invention;

FIG. 3 shows another schematic view of the position of a compound in an embodiment of a compound length detection device according to the invention;

FIG. 4 shows another schematic view of the position of a compound in an embodiment of a compound length detection device according to the invention;

FIG. 5 shows a schematic structural view of a positioning assembly of an embodiment of a gum material length detection apparatus according to the present invention; and

fig. 6 shows a schematic structural view of a conveyor belt according to an embodiment of the size length detection device of the present invention.

Wherein the above figures include the following reference numerals:

1. sizing material; 10. a transport assembly; 11. avoidance holes; 12. positioning holes; 20. a positioning assembly; 21. swing rod; 22. an abutment wheel; 23. an elastic member; 30. a first detection switch; 40. a second detection switch; 50. a first press roller; 60. a locking assembly; 70. a push rod assembly; 80. positioning a detection switch; 90. a stub bar ejector rod; 100. and a heating assembly.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that 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 application belongs unless otherwise indicated.

In the present invention, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present invention.

The invention provides a sizing material length detection device, which aims to solve the technical problems that a multi-strip structure adopted in the sizing material length detection process is difficult to adjust and difficult to maintain in the prior art. Wherein, the angle of the contact of the front end of the material head of the sizing material 1 and the conveying assembly 10 is an acute angle, and the angle of the contact of the material tail and the conveying assembly 10 is an obtuse angle.

As shown in fig. 1 to 6, a device for detecting the length of a rubber compound according to the present invention includes a conveying assembly 10, a positioning assembly 20, a first detecting switch 30 and a second detecting switch 40, wherein the conveying assembly 10 is used for conveying the rubber compound 1, at least a portion of the positioning assembly 20 is movably disposed inside the conveying assembly 10, and at least a portion of the positioning assembly 20 can pass through the conveying assembly 10 and abut against the lower surface of the rubber compound 1, so that at least a portion of the positioning assembly 20 can abut against the lower surface of the rubber compound 1 and apply a force to the rubber compound 1 away from the conveying assembly 10 when the rubber compound 1 passes through the positioning assembly 20. The first detection switch 30 is arranged in the conveying assembly 10 corresponding to the part of the positioning assembly 20 moving relative to the conveying assembly 10, the first detection switch 30 is used for detecting the position state of the part of the positioning assembly 20 moving relative to the conveying assembly 10, and when the positioning assembly 20 is in contact with the tail of the sizing material 1, the first detection switch 30 can send out first detection information; the second detecting switch 40 is located downstream of the positioning assembly 20 in the moving direction of the conveying assembly 10, the second detecting switch 40 is located above the conveying assembly 10, and when the stub bar of the rubber compound 1 moves to the second detecting switch 40, the second detecting switch 40 can send out second detecting information, wherein the first detecting switch 30 can be a detecting piece capable of recording position change, such as a photoelectric sensor, and the second detecting switch 40 can be a detecting roller or a photoelectric switch, for example.

When the sizing material length detection device is used, the conveying assembly 10 conveys the sizing material 1 to the direction of the forming drum, and the sizing material 1 is positioned through the positioning assembly 20 on the conveying path of the sizing material 1, wherein at least one part of the positioning assembly 20 can penetrate through the conveying assembly 10 and is abutted with the lower surface of the sizing material 1, so that when the sizing material 1 passes through the positioning assembly 20, at least one part of the positioning assembly 20 can be abutted with the lower surface of the sizing material 1, and the positioning assembly can be always abutted with the sizing material in the process of passing through the positioning assembly. And because the first detection switch 30 is arranged at the part corresponding to the movement of the positioning assembly 20 relative to the conveying assembly 10, the first detection switch 30 is arranged inside the conveying assembly 10 and detects the position state of the part corresponding to the movement of the positioning assembly 20 relative to the conveying assembly 10. Thus, when positioning assembly 20 is in contact with the tail of compound 1, first detection switch 30 is able to emit a first detection message, thereby determining the position of the tail of compound 1; in the direction of movement of the conveying assembly 10, a second detection switch 40 is further arranged at the downstream of the positioning assembly 20, the second detection switch 40 is located above the conveying assembly 10, when the stub bar of the rubber compound 1 moves to the second detection switch 40, the second detection switch 40 can send out second detection information, so that the position of the stub bar of the rubber compound 1 is determined, and a technician can determine the length of the rubber compound 1 through calculation by detecting the first detection information and the second detection information and combining other fixed parameters in the length detection device. Therefore, the sizing material length detection device effectively solves the technical problems that in the sizing material 1 length detection process in the prior art, the adjustment is difficult and the maintenance is difficult due to the adoption of a multi-strip structure.

In one particular embodiment of the present application, the second detection switch 40 is a detection roller and since the stub portion and the tail of the compound have a chamfer and the chamfer of the stub portion is above the compound and the chamfer of the tail is below the compound. That is, when the second detecting switch 40 contacts the stub bar, the second detecting switch is pushed up by the chamfer of the stub bar of the sizing material along with the movement of the sizing material, so the second detecting switch can record the time information when the sizing material contacts the stub bar of the sizing material, and because the positioning component always contacts the sizing material when the sizing material passes through the positioning component, when the tail of the sizing material passes through the positioning component, the positioning component can move along with the rising of the chamfer of the tail of the sizing material and can be detected by the first detecting switch, so the second detecting switch can record the time information when the positioning component contacts the tail of the sizing material. Therefore, in this application when the tail at the sizing material passes through locating component, locating component and the tail contact of sizing material to because the tail of sizing material has the chamfer, so locating component can produce the change in the position of locating component after the tail of contacting sizing material, thereby first detecting switch can detect locating component's position change, and first detecting switch can send first detection information, and then the time information when the tail of determining sizing material passes through locating component. And, because the second detecting switch is arranged at the downstream of the positioning component in the moving direction of the conveying component, and the second detecting switch is positioned above the conveying component, when the material head of the sizing material moves to the second detecting switch, the second detecting switch can send out second detecting information, so that the time information when the material head of the sizing material passes through the second detecting switch is determined, and the length of the sizing material can be determined by calculating by combining the first detecting information and the second detecting information and other fixed parameters in the length detecting device, such as the conveying speed of the conveying component, the distance between the positioning component and the second detecting switch and the like. Therefore, the sizing material length detection device effectively solves the technical problems that in the sizing material length detection process in the prior art, the adjustment is difficult and the maintenance is difficult due to the adoption of a multi-strip structure.

Further, the sizing material length detection device further comprises a processing module, the processing module is used for receiving the first detection information and the second detection information, determining the length of the sizing material 1 according to the first detection information, the second detection information, the distance between the positioning assembly 20 and the second detection switch 40 and the conveying speed of the conveying assembly 10, and rapidly and accurately obtaining the length of the sizing material 1 through the processing module, so that the operation precision is improved, personnel can be reduced, and the personnel cost is reduced.

Optionally, the processing module may also be in signal connection with the conveyor assembly 10 to obtain speed.

Specifically, the first detection information comprises the time information T1 of the contact of the positioning assembly 20 with the tail of the compound 1, the second detection information comprises the time information T2 of the second detection switch 40 detecting the head of the compound 1, then,

when T1-T2 > 0, the stub bar of the compound 1 reaches the second detection switch 40 first, the tail of the compound 1 reaches the first detection switch 30, and the length of the compound 1 is greater than the distance between the positioning assembly 20 and the second detection switch 40, at this time, the length l1=t1-t2v+l of the compound 1;

when T1-T2 is less than 0, the tail of the sizing material 1 reaches the first detection switch 30 firstly, the head of the sizing material 1 reaches the second detection switch 40, and the length of the sizing material 1 is smaller than the distance between the positioning assembly 20 and the second detection switch 40, and at the moment, the length L1=L-T2-T1V of the sizing material 1;

when t1=t2, the tail and the head of the compound 1 reach the first detection switch 30 and the second detection switch 40 at the same time, and at this time, the length l1=l of the compound 1;

wherein V is the conveying speed of the conveying assembly 10, L is the distance between the positioning assembly 20 and the second detecting switch 40, and the length of the sizing material 1 can be obtained through calculation according to the known fixed information by acquiring the time information T1 of the contact between the positioning assembly 20 and the tail of the sizing material 1 and the time information T2 of the second detecting switch 40 for detecting the head of the sizing material 1, so that the accuracy of detecting the length of the sizing material 1 is improved.

In a specific embodiment of the present application, the device for detecting the length of the rubber material further includes a first pressing roller 50, where the first pressing roller 50 is movably disposed above the conveying assembly 10 corresponding to the positioning assembly 20, and the first pressing roller 50 can move along a direction close to or far away from the conveying assembly 10, and when the rubber material 1 passes through the first pressing roller 50, the first pressing roller 50 abuts against the rubber material 1. The structure is arranged so that the sizing material 1 can be spread on the conveying assembly 10 to move forwards, and the loss of the sizing material 1 caused by wrinkling in the moving process is avoided.

Optionally, an end of the first press roller 50 remote from the conveying assembly 10 is provided with a cylinder by which the first press roller 50 is movable in a direction approaching or moving away from the conveying assembly 10.

Further, as the tail of the stock 1 passes the first press roll 50, the positioning assembly 20 moves in a direction toward the first press roll 50, thereby clamping the stock 1 between the first press roll 50 and the positioning assembly 20 assembly by the positioning assembly 20. The structural arrangement facilitates the precise determination of the form and the conveying position of the sizing material 1, thereby improving the measurement accuracy of the length of the sizing material 1.

In one embodiment of the present application, the glue length detecting device further includes a locking assembly 60, the locking assembly 60 is disposed above the conveying assembly 10 corresponding to the first pressing roller 50, the locking assembly 60 has a locked state and an unlocked state, and when the locking assembly 60 is in the locked state, the first pressing roller 50 can only move in a direction away from the conveying assembly 10. Preferably, the locking assembly 60 may employ, for example, a cylinder lock by which a cylinder driving the first platen roller 50 to move is locked, thereby achieving switching between the locked state and the unlocked state. When the locking assembly 60 is in the locked state, the first press roller 50 is located at a position abutting against the conveying assembly 10 under the action of the air cylinder, and when the stub bar of the sizing material 1 is conveyed to the first press roller 50, the first press roller 50 can move in a direction away from the conveying assembly 10 under the action of the sizing material 1.

Further, the positioning assembly 20 comprises a swing rod 21, an abutting wheel 22 and an elastic piece 23, one end of the swing rod 21 is connected with the conveying assembly 10, and the other end of the swing rod 21 can swing relative to the conveying assembly 10; the abutting wheel 22 is rotatably arranged on the swing rod 21 and moves along with the swing rod 21, and the positioning assembly 20 abuts against the rubber material 1 through the abutting wheel 22; one end of the elastic member 23 is connected with the conveying assembly 10, and the other end of the elastic member 23 is connected with the swing rod 21 to provide elastic force for the swing rod 21 to move towards the rubber compound 1, so that the abutting wheel 22 abuts against the conveying assembly 10 under the action of the elastic force, and abuts against the lower surface of the rubber compound 1 when the rubber compound 1 moves to the positioning assembly 20. The structure is simple in structure, convenient to process and convenient to maintain and replace the components.

Alternatively, the abutment wheel 22 may be connected to the oscillating bar 21 by a mounting bracket, the abutment wheel 22 being capable of oscillating with the oscillating bar 21 so as to move in a direction towards or away from the glue stock 1, at least a portion of the abutment wheel 22 passing through the conveyor assembly 10 and abutting against the lower surface of the glue stock 1 as the glue stock 1 passes.

Accordingly, the transfer assembly 10 has a relief hole 11 corresponding to the abutment wheel 22, so that at least a portion of the abutment wheel 22 can abut the lower surface of the compound 1 through the relief hole 11.

In order to avoid that the positioning assembly 20 interferes with the conveying assembly 10 before the glue stock 1 reaches the positioning assembly 20, and the conveying of the glue stock 1 is affected, the glue stock length detection device further comprises a push rod assembly 70, the push rod assembly 70 can move in a direction away from or close to the glue stock 1, at least when the push rod assembly 70 moves in the direction away from the glue stock 1, the push rod assembly 70 is abutted with the swing rod 21, so that the abutting wheel 22 is located inside the conveying assembly 10, and the upper surface of the abutting wheel 22 is lower than the lower surface of the conveying assembly 10.

Specifically, the ejector rod assembly 70 includes a driving portion and a polish rod, where the driving portion is in driving connection with the polish rod, so that the polish rod can move in a direction approaching or separating from the glue stock 1, and the polish rod can abut against the swing rod 21. The driving part can be, for example, two cylinders, and the cylinders are preferably arranged on two sides of the conveying assembly 10 respectively, and two ends of the polish rod are connected with movable ends of the cylinders respectively, so that under the action of the cylinders, the polish rod moves along the direction approaching or separating from the sizing material 1, and the position of the swing rod 21 can be controlled. The position of the swing rod 21 is adjusted through the driving part, so that the control mode is simpler and the operation is convenient.

In order to accurately detect the position of the rubber compound 1 in the conveying process, the rubber compound length detection device further comprises a positioning detection switch 80, the positioning detection switch 80 is located on the upper portion of the conveying assembly 10, the conveying assembly 10 is provided with a positioning hole 12, the positioning detection switch 80 is used for detecting the positioning hole 12, the positioning detection switch 80 is in signal connection with the ejector rod assembly 70, and when the positioning detection switch 80 detects the positioning hole 12, the ejector rod assembly 70 drives the swinging rod 21 to move in a direction away from the rubber compound 1, so that interference between the abutting wheel 22 and the rubber compound 1 is avoided.

Further, the size length detecting device further comprises a stub bar ejector rod 90, the stub bar ejector rod 90 is located inside the conveying assembly 10, at least a part of the stub bar ejector rod 90 can move in a direction away from or close to the size 1, and at least when the stub bar ejector rod 90 moves in a direction close to the size 1, the stub bar ejector rod 90 is abutted with the size 1.

Specifically, the sizing material length detection device further comprises a heating assembly 100 and a bracket, wherein the heating assembly 100 is positioned above the conveying assembly 10, at least one part of the bracket is positioned inside the conveying assembly 10, and the bracket is connected with the heating assembly 100, so that when the sizing material 1 passes through the heating assembly 100, the sizing material 1 is heated. Alternatively, the heating assembly 100 may be, for example, a heating lamp.

In one embodiment of the present application, the conveying assembly 10 may further comprise a driving roller and a conveying belt, wherein the conveying belt is located on the driving roller, a tail detection hole is formed in the conveying belt, and at least a part of the positioning assembly 20 can pass through the tail detection hole and is abutted against the lower surface of the rubber compound 1.

When the sizing material length detection device detects sizing material 1, as shown in fig. 1, firstly, a positioning detection switch 80 detects a positioning hole 12 on a conveying assembly 10, the positioning detection switch 80 is in signal connection with a push rod assembly 70, and when the positioning detection switch 80 detects the positioning hole 12, the push rod assembly 70 drives a swing rod 21 to move in a direction away from sizing material 1, so that interference between an abutting wheel 22 and sizing material 1 is avoided; the glue 1 moves forward under the delivery of the delivery assembly 10, and when the stub bar of the glue 1 reaches the first press roller 50, the stub bar of the glue 1 lifts up the first press roller 50, as shown in fig. 2, the glue 1 moves forward under the abutment of the first press roller 50 and the positioning assembly 20. When the tail of the rubber material 1 moves to the position of the positioning assembly 20, namely, the position shown in fig. 3, the abutting wheel 22 rises along with the inclined plane formed by cutting the tail of the rubber material 1, and then the swing rod 21 is driven to synchronously rise along with the abutting wheel 22, at this time, the first detection switch 30 can send out first detection information by detecting the position change of the swing rod 21, so that the time information of the contact between the tail of the rubber material 1 and the positioning assembly is determined. Subsequently, the compound 1 continues to move forward, and as shown in fig. 4, when the stub bar of the compound 1 reaches below the second detection switch 40, the second detection switch 40 can send out second detection information, so as to determine the time information that the stub bar of the compound 1 passes through the second detection switch; the length of the glue 1 can be determined by the first and second sensed information of the glue 1 during its movement on the conveyor assembly 10, as well as the conveyor speed of the conveyor assembly 10 and the distance between the positioning assembly 20 and the second sensing switch 40.

From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

1. the technical problems that in the prior art, the length of the sizing material 1 is difficult to adjust and difficult to maintain due to the adoption of a multi-strip structure are effectively solved;

2. simple structure and accurate measurement result.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

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 example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. A sizing material length detection device, comprising:

-a delivery assembly (10), the delivery assembly (10) being for delivering a sizing material (1);

the positioning assembly (20) is movably arranged inside the conveying assembly (10), and at least one part of the positioning assembly (20) can penetrate through the conveying assembly (10) and is abutted against the lower surface of the sizing material (1);

the first detection switch (30) is arranged in the conveying assembly (10) corresponding to the part of the positioning assembly (20) moving relative to the conveying assembly (10), the first detection switch (30) is used for detecting the position state of the part of the positioning assembly (20) moving relative to the conveying assembly (10), and when the positioning assembly (20) is in contact with the tail of the sizing material (1), the first detection switch (30) can send out first detection information;

the second detection switch (40) is positioned at the downstream of the positioning assembly (20) in the movement direction of the conveying assembly (10), the second detection switch (40) is positioned above the conveying assembly (10), and when the stub bar of the sizing material (1) moves to the second detection switch (40), the second detection switch (40) can send out second detection information.

2. The size length detection device according to claim 1, characterized in that the size length detection device further comprises a processing module for receiving the first detection information and the second detection information and determining the length of the size (1) based on the first detection information, the second detection information, the distance between the positioning assembly (20) and the second detection switch (40), the conveying speed of the conveying assembly (10).

3. The size length detection device according to claim 1, characterized in that the first detection information comprises time information T1 of the contact of the positioning assembly (20) with the tail of the size (1), the second detection information comprises time information T2 of the second detection switch (40) detecting the head of the size (1),

when T1-T2 > 0, the length L1= (T1-T2) V+L of the sizing material (1);

when T1-T2 < 0, the length l1=l- (T2-T1) V of the compound (1);

when t1=t2, the length l1=l of the compound (1);

wherein V is the conveying speed of the conveying assembly (10), and L is the distance between the positioning assembly (20) and the second detection switch (40).

4. The stock length detection apparatus of claim 1, wherein the stock length detection apparatus further comprises:

the first press roller (50), first press roller (50) correspond locating component (20) activity sets up the top of conveying component (10), first press roller (50) can be followed or keep away from the direction of conveying component (10), when sizing material (1) pass through first press roller (50), first press roller (50) with sizing material (1) butt.

5. A size length detection device according to claim 4, characterized in that the positioning assembly (20) is moved in a direction approaching the first press roll (50) when the tail of the size (1) passes the first press roll (50).

6. The stock length detection apparatus of claim 4, wherein the stock length detection apparatus further comprises:

-a locking assembly (60), said locking assembly (60) being arranged above said transport assembly (10) in correspondence of said first pressure roller (50), said locking assembly (60) having a locked state and an unlocked state, said first pressure roller (50) being only movable in a direction away from said transport assembly (10) when said locking assembly (60) is in said locked state.

7. The gum length detection apparatus according to any one of claims 1 to 6, wherein the positioning assembly (20) comprises:

the swing rod (21), one end of the swing rod (21) is connected with the conveying assembly (10), and the other end of the swing rod (21) can swing relative to the conveying assembly (10);

an abutting wheel (22), wherein the abutting wheel (22) is rotatably arranged on the swing rod (21) and moves along with the swing rod (21), and the positioning assembly (20) is abutted with the sizing material (1) through the abutting wheel (22);

and one end of the elastic piece (23) is connected with the conveying assembly (10), and the other end of the elastic piece (23) is connected with the swinging rod (21) so as to provide elastic force for the swinging rod (21) to move towards the sizing material (1).

8. The size length detection device according to claim 7, characterized in that the size length detection device further comprises a ram assembly (70), the ram assembly (70) being movable in a direction away from or towards the size (1), the ram assembly (70) abutting the pendulum bar (21), at least when the ram assembly (70) is moved in a direction away from the size (1).

9. The gum material length detection apparatus of claim 8, wherein said ejector pin assembly (70) comprises:

a driving section;

the drive part is in drive connection with the polish rod, so that the polish rod can move along the direction close to or far away from the sizing material (1), and the polish rod can be abutted with the swing rod (21).

10. The sizing length detection apparatus according to claim 8, further comprising a positioning detection switch (80), wherein the positioning detection switch (80) is located at an upper portion of the conveying assembly (10), the conveying assembly (10) has a positioning hole (12), the positioning detection switch (80) detects the positioning hole (12), and the positioning detection switch (80) is in signal connection with the ejector rod assembly (70).

11. A size length detection device according to claim 7, characterized in that the conveying assembly (10) has a relief hole (11) in correspondence of the abutment wheel (22).

12. A size length detection device according to any one of claims 1-6, characterized in that the size length detection device further comprises a head pin (90), the head pin (90) being located inside the conveying assembly (10), at least a part of the head pin (90) being movable in a direction away from or towards the size (1), the head pin (90) being in abutment with the size (1), at least when the head pin (90) is moved in a direction towards the size (1).

13. The stock length detection apparatus of claim 12, wherein the stock length detection apparatus further comprises:

-a heating assembly (100), said heating assembly (100) being located above said conveying assembly (10);

and at least one part of the bracket is positioned inside the conveying assembly (10), and the bracket is connected with the heating assembly (100).