Monitoring mechanism for traction shaping working condition

Abstract

The utility model discloses a monitoring mechanism for traction shaping working conditions, which comprises a sensor, a penetrable sensor protective cover and a sensor mounting bracket, the sensor is arranged in the penetrable sensor protective cover, the penetrable sensor protective cover is connected with one end of the sensor mounting bracket, and the sensor mounting bracket is connected with the sensor. And the other end of the sensor mounting bracket is arranged on the side of the mouth mold. The device can monitor the traction and shaping process of materials in real time, automatically identify whether the plastic strips are broken or not during traction and give an alarm through the alarm system, so that personnel can timely arrive at the site for processing, and the problems that the traction and shaping process is manually and regularly monitored, and the labor intensity is reduced are solved. And when broken bars occur, the broken bars cannot be found and processed in time.

Description

Technical Field

[0001] The utility model belongs to the field of extrusion granulation processing, and particularly relates to a monitoring mechanism for a traction and shaping working condition. Background Art

[0002] In the process of extrusion granulation processing, pellet materials or resin plastics with color masterbatch need to be fully stirred and mixed and then added into the hopper of the extruder. There is a heater outside the barrel of the extruder, and the materials in the barrel are heated to the melting temperature through heat conduction. The machine runs, and the screw in the barrel conveys the materials forward. During the movement of the materials, there is mutual friction and shearing between the materials and the barrel, the screw, and between the materials themselves, generating a large amount of heat. The heat and heat conduction cause the added materials to continuously melt. The molten materials are continuously and stably conveyed into a die with a certain shape. After passing through the die, the materials in a flowing state take an approximate die shape, and then enter the cooling tank, where the materials are traction-shaped, cooled, and hardened into a shape. Then, the shaped materials are input into a granulator to cut the circular strip-shaped plastics into pellets. Finally, the plastic pellets are weighed and bagged for injection molding use.

[0003] During the process of the materials being traction-shaped, cooled, and hardened into a shape, the plastic strip may break when passing through the die due to impurities and gases in the raw materials. After the plastic strip breaks, it loses traction and will accumulate in the cooling tank under the action of gravity, causing production interruption. In order to discover this problem, the existing working method is to manually monitor the traction and shaping process regularly. Therefore, there will be a problem that the breakage of the plastic strip cannot be discovered and processed in time, reducing the production efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to solve the above problems, and provides a monitoring mechanism for a traction and shaping working condition. This monitoring mechanism can monitor the traction and shaping process of the materials in real time, automatically identify abnormal situations such as whether the plastic strip breaks during traction, and alarm through an alarm system, enabling personnel to arrive at the scene in time for processing, solving the problem that the traction and shaping process is manually monitored regularly and the breakage cannot be discovered and processed in time when it occurs.

[0005] In order to achieve the above purpose, the utility model provides a monitoring mechanism for a traction and shaping working condition, including a sensor, a penetrable sensor protection cover, and a sensor mounting bracket. The sensor is arranged in the penetrable sensor protection cover. One end of the penetrable sensor protection cover is connected to the sensor mounting bracket, and the other end of the sensor mounting bracket is arranged on the side of the die.

[0006] As a further optimization, the sensor mounting bracket includes a first mounting bracket and a second mounting bracket. One end of the first mounting bracket is provided with a first avoidance hole and is connected to the penetrable sensor protection cover. The other end of the first mounting bracket is slidably connected to one end of the second mounting bracket. The other end of the second mounting bracket is provided with an arc-shaped adjustment hole and a reference hole. The sensor mounting bracket is arranged on the side of the die through the reference hole, and the mounting angle of the sensor is adjusted through the arc-shaped adjustment hole.

[0007] As a further optimization, at least one vertically arranged oblong hole is provided at the end of the first mounting bracket away from the penetrable sensor protection cover. A connection hole is provided at one end of the second mounting bracket close to the first mounting bracket. The first mounting bracket is slidably connected to the second mounting bracket by inserting bolts into the connection hole and the oblong hole.

[0008] As a further optimization, the sensor adopts a PinPoint-LED photoelectric sensor.

[0009] As a further optimization, a light-transmitting port is provided in front of the penetrable sensor protection cover, and a second avoidance hole is provided at the back. The penetrable sensor protection cover is made of PMMA material.

[0010] As a further optimization, the sensor mounting bracket is made of stainless steel 201 material.

[0011] Advantages and beneficial effects of the utility model

[0012] 1. The utility model is arranged on the side of the die through the column, and the red light emitted by the sensor scans the discharging state of the plastic strip at the die to judge whether the plastic strip breaks during the traction and shaping process. When the plastic strip breaks, the control system will send a signal to the alarm system, and the alarm system will give an alarm, enabling the staff to arrive at the scene in time for processing, thus improving the production efficiency.

[0013] 2. The sensor in the utility model adopts a PinPoint-LED photoelectric sensor, which can accurately and clearly scan the plastic strip at the die outlet even under harsh use conditions, so it is not easily affected by smoke or distance changes.

[0014] 3. The sensor in the utility model is arranged in the sensor protection cover, and the sensor protection cover is installed on the column through the mounting bracket. The mounting bracket includes a first mounting bracket and a second mounting bracket, and the first mounting bracket is slidably connected to the second mounting bracket. Therefore, the height of the sensor can be adjusted, and the second mounting bracket can rotate horizontally relative to the column. Therefore, the mounting angle of the sensor can be adjusted to meet the requirements of different mounting positions and angles.

[0015] 4. The structure of the present utility model is simple, with the advantages of convenient installation and debugging and high stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only the embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to the provided drawings.

[0017] Figure 1 is the overall structure schematic diagram provided by the embodiment of the present utility model;

[0018] Figure 2 is the overall structure schematic diagram from another angle provided by the embodiment of the present utility model.

[0019] Reference numerals: sensor 1, penetrable sensor protection cover 2, light-transmitting opening 21, sensor mounting bracket 3, first mounting bracket 31, first avoidance hole 311, oblong hole 312, second mounting bracket 32, connection hole 321, arc-shaped adjustment hole 322 and reference hole 323. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The terms "first", "second", "third", "fourth", etc. in the description and claims of the present utility model and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments described herein can be implemented in an order other than those illustrated or described herein.

[0021] The following will detail the specific embodiments of the present utility model in conjunction with the drawings. It should be noted that in the description of the present utility model, the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0022] Such as Figure 1 and Figure 2As shown in the figure, a monitoring mechanism for the traction and shaping working condition includes a sensor 1, a penetrable sensor protection cover 2, and a sensor mounting bracket 3. In this embodiment, starting from the shape of the plastic strip after it breaks at the die, a PinPoint-LED photoelectric sensor is selected. Even under harsh usage conditions, this photoelectric sensor can accurately and clearly scan the plastic strip at the die outlet. Therefore, it is not easily affected by smoke or distance changes. The sensor 1 is arranged inside the penetrable sensor protection cover 2. The front of the penetrable sensor protection cover 2 is provided with a light-transmitting opening 21, which facilitates the red light of the sensor 1 to pass through the light-transmitting opening 21 to scan the discharging state of the plastic strip at the die outlet. The rear of the penetrable sensor protection cover 2 is provided with a second avoidance hole. The power line and signal line on the sensor 1 are connected to the outside through the second avoidance hole. The penetrable sensor protection cover 2 is made of PMMA material. The penetrable sensor protection cover 2 made of PMMA material has the characteristics of higher durability and penetrability. The rear of the penetrable sensor protection cover 2 is connected to one end of the sensor mounting bracket 3. The other end of the sensor mounting bracket 3 is arranged on the side of the die through a column.

[0023] As a further optimization, the sensor mounting bracket 3 is made of stainless steel 201 material and includes a first mounting bracket 31 and a second mounting bracket 32. The upper part of the first mounting bracket 31 is provided with a first avoidance hole 311. The power line and signal line on the sensor 1 pass through the second avoidance hole and the first avoidance hole 311 and are connected to the outside. The upper end of the first mounting bracket 31 is connected to the rear end of the penetrable sensor protection cover 2. The lower end of the first mounting bracket 31 is provided with two vertically arranged oblong holes 312. The upper end of the second mounting bracket 32 is provided with two connection holes 321 corresponding to the positions of the oblong holes 312. The first mounting bracket 31 is slidably connected to the second mounting bracket 32 by inserting bolts into the connection holes 321 and the oblong holes 312. The lower end of the second mounting bracket 32 is provided with an arc-shaped adjustment hole 322 and a reference hole 323. The sensor mounting bracket 3 is connected to the column by inserting two bolts into the arc-shaped adjustment hole 322 and the reference hole 323 respectively. When it is necessary to adjust the installation angle of the sensor 1, the bolts need to be loosened. Then, with the reference hole 323 as the axis, the sensor mounting bracket 3 is rotated relative to the column along the arc-shaped adjustment hole 322, so as to realize the adjustment of the installation angle of the sensor 1.

[0024] Working process

[0025] First, adjust the installation position of the sensor so that the red light emitted by the sensor is parallel and aligned with the outlet of the die. Then, set the threshold of the sensor according to the detected reflected light value when there is no plastic bar breakage and accumulation. When the sensor is working, it emits a beam of red light towards the plastic bar at the outlet of the die. The sensor compares the received red light value with the set threshold to determine whether the plastic bar within the detected range is broken. When the plastic bar runs out of material and accumulates, the red light value received by the sensor is lower than the set threshold. The sensor sends an N.O. signal to the control system. After receiving the N.O. signal, the control system controls the alarm system to send an alarm prompt signal to notify the staff that the plastic bar has run out of material, enabling the staff to arrive at the scene in time for handling. When the plastic bar is being normally drawn and shaped, the red light value received by the sensor is the same as the set threshold. The sensor sends an N.C. signal to the control system, and the alarm system does not alarm. The sensor continuously monitors. This application has been implemented in our company and has received good responses, greatly improving production efficiency.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and are not intended to limit them. Although the embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A monitoring mechanism for traction sizing conditions, characterized in that: It includes a sensor (1), a penetrable sensor protective cover (2) and a sensor mounting bracket (3). The sensor (1) is arranged inside the penetrable sensor protective cover (2). The penetrable sensor protective cover (2) is connected to one end of the sensor mounting bracket (3), and the other end of the sensor mounting bracket (3) is arranged on the side of the die.

2. The monitoring mechanism for the traction shaping working condition according to claim 1, wherein: The sensor mounting bracket (3) includes a first mounting bracket (31) and a second mounting bracket (32). One end of the first mounting bracket (31) has a first avoidance hole (311) and is connected to the penetrable sensor protective cover (2). The other end of the first mounting bracket (31) is slidably connected to one end of the second mounting bracket (32). The other end of the second mounting bracket (32) is provided with an arc-shaped adjustment hole (322) and a reference hole (323). The sensor mounting bracket (3) is arranged on the side of the die through the reference hole (323), and the installation angle of the sensor (1) is adjusted through the arc-shaped adjustment hole (322).

3. A monitoring mechanism for a traction shaping working condition according to claim 2, characterized in that: One end of the first mounting bracket (31) away from the penetrable sensor protective cover (2) has at least one vertically arranged oblong hole (312). One end of the second mounting bracket (32) close to the first mounting bracket (31) is provided with a connection hole (321). The first mounting bracket (31) is slidably connected to the second mounting bracket (32) by inserting a bolt into the connection hole (321) and the oblong hole (312).

4. A monitoring mechanism for traction sizing conditions according to claim 1, characterized in that: The sensor (1) uses a PinPoint-LED optoelectronic sensor.

5. A monitoring mechanism for traction sizing conditions according to claim 1, characterized in that: The front of the penetrable sensor protective cover (2) has a light-transmitting opening (21), and the rear has a second avoidance hole. The penetrable sensor protective cover (2) is made of PMMA material.

6. A monitoring mechanism for traction sizing conditions according to any one of claims 1-3, characterized in that: The sensor mounting bracket (3) is made of stainless steel 201 material.

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