Extruder die calibrator

Abstract

The utility model relates to an extruder die calibrator which comprises an extruder die calibrator body, the upper portion of the calibrator body is fixedly connected with a servo steering mechanism, and an X-ray measuring device, an X-ray isolation box body and an X-ray detection plate are sequentially arranged in a cavity in the servo steering mechanism from top to bottom. And a data display touch screen is arranged at the top of the calibrator. A cable clamping mechanism is arranged on the upper portion of the middle of the X-ray isolation box body. Rays emitted by the X-ray measuring device irradiate on the cable and are mapped on the X-ray detection plate, so that data received by the detection plate, namely thickness uniformity data of two ends of the cable away from the center, can be transmitted to the data display touch screen at the top, and an extruder equipment technician can accurately display the thickness of the cable according to the reference data. And carrying out field adjustment on the extruder die.

Description

Technical Field

[0001] The utility model relates to the technical field of extruder calibration, in particular to an extruder die calibrator. Background Technique

[0002] The extruder is one of the types of plastic machinery. It originated in the 18th century. According to the included angle between the head material flow direction and the screw center line, the head can be divided into a right-angle head, an oblique-angle head, etc. The screw extruder relies on the pressure and shear force generated by the screw rotation, enabling the material to be fully plasticized and evenly mixed, and forming through the die. Plastic extruders can be basically classified into twin-screw extruders, single-screw extruders, and rare multi-screw extruders and screwless extruders.

[0003] When the existing extruder works, the calibration of the extrusion die is a very important task. Before each start of work of the existing extruder, it is necessary to calibrate the die of the extruder to ensure that the wall thickness of the produced cable is uniform. The existing general calibration method is to trial-produce cable products, then slice the products, and then project and measure the deviation value of the thickness on both sides of the cable product in the laboratory. The position of the extrusion die is adjusted through the deviation value. The efficiency is low and the technical requirements for personnel are high. Therefore, an extruder die calibrator is proposed to solve the above-mentioned problems. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides an extruder die calibrator, which has the advantages of improving efficiency and production capacity while reducing the requirements for technical personnel, and solves the problem of low calibration efficiency of the existing extruder.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an extruder die calibrator, including the body of the extruder die calibrator. A servo steering device is fixedly connected to the upper part of the calibrator body. Inside the cavity of the servo steering device, an X-ray measuring device, an X-ray isolation box, and an X-ray detection plate are fixedly connected in sequence from top to bottom. A cable clamping mechanism is arranged in the middle and upper part of the X-ray isolation box. The rays emitted by the X-ray measuring device irradiate on the cable and are mapped on the X-ray detection plate. Because the center of the X-ray measuring device coincides with the center of the cable, the data received by the detection plate is the thickness uniformity data of both ends of the cable from the center. The above data will be transmitted to the digital display touch screen component at the top. After the servo steering device rotates clockwise and counterclockwise multiple times, the data at multiple positions are measured, and then the thickness uniformity, concentricity, etc. data of the cable are statistically calculated. The technical personnel of the extruder equipment can adjust the extrusion die on-site according to the above reference data.

[0006] Furthermore, the X-ray isolation box is used to isolate X-rays so that the rays directly irradiate the cables from top to bottom, thereby preventing the rays from scattering into the interior of the box and affecting the data deviation of the detection board.

[0007] Furthermore, the cable clamping mechanism provided on the X-ray isolation box is a hollow cylindrical structure higher than the X-ray measuring device and the plane of the X-ray isolation box. On the one hand, it is used to clamp the cable for convenient measurement; on the other hand, the hollow part facilitates direct X-ray irradiation on the cable without causing other interference.

[0008] Furthermore, the servo steering mechanism is composed of a servo reducer and a plurality of driven wheels, the output gear on the servo reducer serves as the driving wheel, the large driven wheel is meshed with the output gear of the servo reducer, and the large driven wheel is meshed with a plurality of small driven wheels.

[0009] Furthermore, the plurality of driven wheels are a large one distributed in the center of the calibrator, internally fixedly connected to the X-ray measuring device, the X-ray isolation box and the X-ray detection plate, and the center of the circle is in the same straight line as the center of the X-ray measuring device, the X-ray isolation box and the X-ray detection plate, and the plurality of small driven wheels are evenly distributed around the large driven wheel and fixedly connected to the main body frame of the extruder calibrator.

[0010] Furthermore, the servo steering mechanism is controlled by a servo reducer and can rotate clockwise and counterclockwise, thereby driving the rotation of the large driven wheel and the small driven wheel, and further driving the X-ray measurement system to rotate and measure.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model can be placed at the production site and directly connected to the extruder. During the trial production, the thickness uniformity of the cable center distance on both sides can be directly measured on site to provide reference data so that the technicians can debug the extruder mold on site, which is convenient and quick.

[0013] 2. The utility model uses a servo steering device and an X-ray measuring system. When measuring cables, the utility model can measure the thickness uniformity on both sides of the cable center distance at different positions by rotating in the clockwise and counterclockwise directions, and provide complete and accurate values ​​to the extruder staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a three-dimensional schematic diagram of the structure of the utility model.

[0016] In the figure: 1. Extruder die calibrator body; 2. Servo steering device; 3. X-ray measuring device; 4. X-ray isolation box; 5. X-ray detection board; 6. Cable clamping mechanism; 7. Digital display touch screen assembly; 8. Servo reducer; 9. Large driven wheel; 10. Small driven wheel. Detailed implementation mode

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0018] To achieve the purpose of real-time detection of the wall thickness uniformity of the extruder cable, that is, real-time measurement of the concentricity of the extruder die, the present invention provides the following solutions: an extruder die calibrator, including an extruder die calibrator body 1, a servo steering device 2 is fixedly connected to the upper half of the extruder die calibrator body 1, an X-ray detection board 5 is fixedly connected from top to bottom in the inner cavity of the servo steering device 2, a cable clamping mechanism 6 is arranged on the upper half of the X-ray isolation box 4, and a digital display touch screen assembly 7 is arranged above the extruder die calibrator body 1.

[0019] During the calibration of the extruder, first conduct cable trial production, install the trial-produced cable on the cable clamping device 5, and through debugging, make the center of the X-ray measuring device 3 coincide with the center of the cable.

[0020] The cable clamping device 6 is a hollow cylinder and is higher than the planes of the X-ray measuring device 3 and the X-ray isolation box 4. The X-ray measuring device 3 emits rays, passes through the gap of the X-ray clamping device 6, irradiates on the cable, and is mapped onto the lower X-ray detection board 5. Because the center of the X-ray measuring device 3 coincides with the center of the cable, the data received by the X-ray detection board 5 is the data of the thickness uniformity of both ends of the cable from the center.

[0021] After the X-ray detection board 5 receives the data information, it is fed back to the digital display touch screen assembly 7.

[0022] The servo steering device 2 consists of a servo reducer 8 and several driven wheels. The large driven wheel 9 meshes with the driving gear of the servo reducer 8, and 4 small driven wheels 10 mesh with the large driven wheel 9. The 4 small driven wheels 10 are evenly distributed around the large driven wheel 9 and are fixed on the frame of the extruder die calibrator body 1. Under the control of the servo reducer 8, the servo steering device 2 moves in the clockwise and counterclockwise directions, so as to measure the wall thickness uniformity of the cable at multiple positions.

[0023] After several groups of data received by the X-ray detection plate 5 are fed back to the touch screen assembly 7, the extruder operator can obtain the core deviation of the extruder die according to the corresponding reference data, so as to conduct on-site debugging, which is convenient and fast.

[0024] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0025] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An extruder die calibrator, comprising an extruder die calibrator body (1), characterized in that: The upper part of the extruder die calibrator body (1) is fixedly connected to a servo steering device (2); an X-ray measuring device (3), an X-ray isolation box (4), and an X-ray detection plate (5) are fixedly connected to the inner cavity of the servo steering device (2) in order from top to bottom; a cable clamping mechanism (6) is arranged in the middle upper part of the X-ray isolation box (4); the radiation emitted by the X-ray measuring device (3) irradiates the cable and is mapped onto the X-ray detection plate (5); the mapped value is the thickness value from the center of the cable to both sides.

2. The extruder die calibrator according to claim 1, characterized in that: The cable clamping mechanism (6) is in the shape of a hollow cylinder that is higher than the plane where the X-ray measuring device (3) and the X-ray isolation box (4) are located, and the hollow gap is used to ensure that the rays emitted by the X-ray measuring device (3) directly irradiate the cable.

3. The extruder die calibrator according to claim 1, characterized in that: The X-ray isolation box (4) is mainly used to isolate X-ray scattering, so that the rays are directly irradiated on the cable from top to bottom, thereby avoiding data deviation of the ray detection plate (5).

4. The extruder die calibrator according to claim 1, characterized in that: The servo steering device (2) uses a servo reducer (8) and its output gear as driving wheels, the output gear of the servo reducer (8) meshes with a large driven wheel (9), and the large driven wheel (9) meshes with a plurality of small driven wheels (10).

5. The extruder die calibrator according to claim 4, characterized in that: The large driven wheel (9) is located in the central part of the extruder, and its center is on the same straight line as the center of the X-ray measuring device (3), the X-ray isolation box (4), and the X-ray detection plate (5). The plurality of small driven wheels (10) are evenly distributed around the large driven wheel (9) and fixedly connected to the frame of the extruder mold calibrator body (1).

6. The extruder die calibrator according to claim 4, characterized in that: The servo steering device (2) rotates clockwise and counterclockwise under the control of the servo reducer (8) and is used to measure the thickness uniformity of the cable at different positions.

7. The extruder die calibrator according to claim 1, characterized in that: A digital display touch screen assembly (7) is arranged above the extruder mold calibrator body (1), and the data received by the X-ray detection board (5) is transmitted to the digital display touch screen assembly (7) in real time, and the extruder operator uses the provided reference data to debug the extruder.

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