阅读说明：本技术 一种高尺寸稳定性型材调控方法 (High-dimensional stability profile regulating and controlling method ) 是由 陈同海 王钊 张守玉 王孝军 杨杰 水锋 于 2020-12-29 设计创作，主要内容包括：本发明公开了一种高尺寸稳定性型材调控方法,通过成型工艺解决了现有技术中型材尺寸稳定性的问题。本制备方法的成型模具包括第一区域型材外侧加热装置、第一区域型材内侧加热装置、第一区域型材监测设备固定座、第一区域监测装置、第一区域监测传感器及第二区域型材外侧加热装置、第二区域型材内侧加热装置、第二区域型材监测设备固定座、第二区域监测装置、第二区域监测传感器和第三区域型材外侧加热装置、第三区域型材内侧加热装置、第三区域型材监测设备固定座、第三区域监测装置、第三区域监测传感器；上述监测设备固定座通过焊接或者螺栓连接等方式固定于型材内侧加热装置区域,用于检测型材在某一成型温度下,型材对型材内侧加热装置的施加的径向压力的大小,监测装置探测到压力,通过该力值调节相应型材外侧加热装置和型材内侧加热装置的工艺参数,最终制备出高稳定性型材。(The invention discloses a method for regulating and controlling a high-dimensional stability section, which solves the problem of dimensional stability of the section in the prior art through a forming process. The forming die of the preparation method comprises a first area section bar outer side heating device, a first area section bar inner side heating device, a first area section bar monitoring equipment fixing seat, a first area monitoring device, a first area monitoring sensor, a second area section bar outer side heating device, a second area section bar inner side heating device, a second area section bar monitoring equipment fixing seat, a second area monitoring device, a second area monitoring sensor, a third area section bar outer side heating device, a third area section bar inner side heating device, a third area section bar monitoring equipment fixing seat, a third area monitoring device and a third area monitoring sensor; the monitoring equipment fixing seat is fixed in the area of the section bar inner side heating device through welding or bolt connection and other modes and is used for detecting the radial pressure applied to the section bar inner side heating device by the section bar at a certain forming temperature, the monitoring device detects the pressure, technological parameters of the corresponding section bar outer side heating device and the section bar inner side heating device are adjusted through the force value, and finally the high-stability section bar is prepared.)

1. A high-dimensional stability section bar regulation and control method comprises a first area section bar outer side heating device (1), a first area section bar inner side heating device (5), a first area section bar monitoring equipment fixing seat (6), a first area monitoring device (7), a first area monitoring sensor (14), a second area section bar outer side heating device (2), a second area section bar inner side heating device (8), a second area section bar monitoring equipment fixing seat (9), a second area monitoring device (10), a second area monitoring sensor (15), a third area section bar outer side heating device (3), a third area section bar inner side heating device (11), a third area section bar monitoring equipment fixing seat (12), a third area monitoring device (13) and a third area monitoring sensor (16).

2. The heating apparatus outside the first region as set forth in claim 1, wherein: the area is in a ring shape and surrounds the outer side of the section bar (4), and the area is divided into four heating areas in the circumferential direction; respectively 1a first zone profile outside heating device, 1b first zone profile outside heating device, 1c first zone profile outside heating device and 1d first zone profile outside heating device, which zones are located at the profile outlet.

3. A first zone profile inside heating device according to claim 1, characterized in that: the area is in a ring shape, surrounds the inner side of the section bar, and is divided into four heating areas in the circumferential direction, wherein the four heating areas are respectively as follows: 1a first zone profile inside heating device, 1b first zone profile inside heating device, 1c first zone profile inside heating device and 1d first zone profile inside heating device;

first area profile monitoring equipment fixing seats (6) are installed in the central positions of the four areas, the first area profile monitoring equipment fixing seats (6) are fixed on a first area profile inner side heating device (5) in a welding or bolt connection mode and the like, and the interiors of the fixing seats are in threaded structures; the first area monitoring device (7) is connected to the fixed seat in a threaded connection mode, and the outer surface of the monitoring device is matched with the outer edge surface of the first area section bar inner side heating device (5), so that the quality of the inner surface of the section bar (4) is guaranteed.

4. The first area monitoring device of claim 1, wherein: in the forming process of the section (4), the inner surface of the section (4) generates pressure on the surfaces of the first area monitoring device (7) and the first area section inner side heating device (5); when the first region monitoring device (7) detects pressure, the pressure can be converted into the crystallinity of the section through the conversion relation, and the pressure is converted into a temperature signal through the first region monitoring sensor (14) and transmitted to the first region section outer side heating device (1) and the first region section inner side heating device (5).

5. The heating apparatus outside the second area as set forth in claim 1, wherein: the area is in a ring shape and surrounds the outer side of the section bar, and the area is divided into four heating areas in the circumferential direction; 2a, 2b, 2c and 2d, respectively, which is the middle region of the profile (4).

6. The second zone inside heating apparatus according to claim 1, characterized in that: the area is in a ring shape, surrounds the inner side of the section bar, and is divided into four heating areas in the circumferential direction, wherein the four heating areas are respectively as follows: 2a second area profile inside heating device, 2b second area profile inside heating device, 2c second area profile inside heating device and 2d second area profile inside heating device;

second area profile monitoring equipment fixing seats (9) are installed in the central positions of the four areas, the second area profile monitoring equipment fixing seats (9) are fixed on a second area profile inner side heating device (8) in a welding or bolt connection mode and the like, and the interiors of the fixing seats are in threaded structures; the second area monitoring device (10) is connected to the fixed seat in a threaded connection mode, and the outer surface of the monitoring device is matched with the outer edge surface of the second area section bar inner side heating device (8), so that the quality of the inner surface of the section bar (4) is guaranteed.

7. The second area monitoring device of claim 1, wherein: in the forming process of the section (4), the inner surface of the section (4) generates pressure on the surfaces of the second area monitoring device (10) and the second area section inner side heating device (8); when the second region monitoring device (10) detects pressure, the pressure can be converted into the crystallinity of the section through the conversion relation, and the pressure is converted into a temperature signal through the second region monitoring sensor (15) and transmitted to the second region section outer side heating device (2) and the first region section inner side heating device (8).

8. The heating apparatus outside the third zone as set forth in claim 1, wherein: the area is in a ring shape and surrounds the outer side of the section bar, and the area is divided into four heating areas in the circumferential direction; respectively a 3a third area profile outside heating device, a 3b third area profile outside heating device, a 3c third area profile outside heating device and a 3d third area profile outside heating device, and the areas are profile (4) forming initial areas.

9. The third zone inner heating apparatus according to claim 1, characterized in that: the area is in a ring shape, surrounds the inner side of the section bar, and is divided into four heating areas in the circumferential direction, wherein the four heating areas are respectively as follows: 2a third area section bar inner side heating device, 2b third area section bar inner side heating device, 2c third area section bar inner side heating device and 2d third area section bar inner side heating device;

a third area profile monitoring device fixing seat (12) is arranged in the center of each of the four areas, the third area profile monitoring device fixing seat (12) is fixed on a third area profile inner side heating device (11) in a welding or bolt connection mode and the like, and the inside of the fixing seat is of a threaded structure; the third area monitoring device (13) is connected to the fixed seat in a threaded connection mode, and the outer surface of the monitoring device is matched with the outer edge surface of the third area profile inner side heating device (11), so that the quality of the inner surface of the profile (4) is guaranteed.

10. The third area monitoring device according to claim 1, wherein: in the forming process of the section (4), the inner surface of the section (4) generates pressure on the surfaces of the third area monitoring device (13) and the second area section inner side heating device (11); when the second area monitoring device (13) detects pressure, the pressure can be converted into the crystallinity of the section through the conversion relation, and the pressure is converted into a temperature signal through the second area monitoring sensor (15) and transmitted to the third area section outer side heating device (3) and the third area section inner side heating device (11).

Technical Field

The invention belongs to the field of composite materials, and particularly relates to a method for regulating and controlling a high-dimensional stability section.

Background

Stability in the composite material section bar forming process plays decisive effect to the quality of product, and numerous patents adopt different modes to cool down the design to the section bar, but all do not consider the influence of cooling process to section bar dimensional stability.

Chinese patent CN206855982U provides a method for preparing polypropylene sectional material, which adopts various ways such as vacuum cooling and shaping, air cooling and water cooling to cool the polypropylene sectional material, and although this patent adopts various ways to cool the sectional material, the influence on the dimensional stability of the sectional material in the cooling process is not considered.

Disclosure of Invention

The invention aims to provide a high-dimensional stability profile, which can monitor the influence of temperature on crystallization in the forming process of the profile at any time.

The purpose of the invention is realized as follows: the temperature of the forming die is in a decreasing trend from the third area to the first area, when the profile resin is extruded by the extruder, the profile resin firstly enters a control system of the third area, the profile is subjected to preliminary cooling and shaping in the area, and the main function of the area is to realize high crystallinity of the profile; and in order to ensure that the section bar is uniformly crystallized in the radial direction, the section bar is equally divided into four control areas in the radial direction so as to be controlled finely. And after the section passes through the third area, the second area and the first area are cooled and shaped in sequence, and both the second area and the first area have the control function of the third area.

Furthermore, a third area is in a ring shape and surrounds the outer side of the section bar, and the area is divided into four heating areas in the circumferential direction; respectively a 3a third area section bar outer heating device, a 3b third area section bar outer heating device, a 3c third area section bar outer heating device and a 3d third area section bar outer heating device, and the areas are section bar forming initial areas.

Furthermore, the third area inner heating device surrounds the inner side of the section bar, and the area is divided into four heating areas in the circumferential direction, wherein the four heating areas are respectively as follows: 3a third zone profile inside heating device, 3b third zone profile inside heating device, 3c third zone profile inside heating device and 3d third zone profile inside heating device. A third area profile monitoring device fixing seat is arranged in the center of each of the four areas, the third area profile monitoring device fixing seats are fixed on the heating device on the inner side of the third area profile in a welding or bolt connection mode and the like, and the insides of the fixing seats are in threaded structures; the third area monitoring device is connected to the fixed seat in a threaded connection mode, and the outer surface of the monitoring device is matched with the outer edge surface of the heating device on the inner side of the section bar of the third area, so that the quality of the inner surface of the section bar is guaranteed.

Further, in the forming process of the section, the inner surface of the section generates pressure to the surfaces of the third area monitoring device and the third area section inner side heating device; when the third area monitoring device detects pressure, the pressure can be converted into the crystallinity of the section bar through the conversion relation, and the pressure is converted into a temperature signal through the third area monitoring sensor and is transmitted to the third area section bar outer side heating device and the third area section bar inner side heating device.

Furthermore, the second area is in a ring shape and surrounds the outer side of the section bar, and the area is divided into four heating areas in the circumferential direction; 2a, 2b, 2c and 2d, respectively, the second zone profile outer heating device being the profile middle zone.

Furthermore, the second area inner side heating device surrounds the inner side of the section bar, and the area is divided into four heating areas in the circumferential direction, wherein the four heating areas are respectively as follows: 2a second zone profile inside heating means, 2b second zone profile inside heating means, which zones are located in the profile, 2c second zone profile inside heating means and 2d second zone profile inside heating means. Second area profile monitoring equipment fixing seats are arranged in the central positions of the four areas, the second area profile monitoring equipment fixing seats are fixed on a heating device on the inner side of the second area profile in a welding or bolt connection mode, and the interiors of the fixing seats are of threaded structures; the second area monitoring device is connected to the fixed seat in a threaded connection mode, and the outer surface of the monitoring device is matched with the outer edge surface of the heating device on the inner side of the section bar of the second area, so that the quality of the inner surface of the section bar is guaranteed.

Further, in the forming process of the section bar, the inner surface of the section bar generates pressure to the surfaces of the second area monitoring device and the second area section bar inner side heating device; when the second area monitoring device detects pressure, the pressure can be converted into the crystallinity of the section through the conversion relation, and the pressure is converted into a temperature signal through the second area monitoring sensor and transmitted to the second area section outside heating device and the second area section inside heating device.

Furthermore, the first area is in a ring shape and surrounds the outer side of the section bar, and the area is divided into four heating areas in the circumferential direction; 2a first zone profile outside heating device, 2b first zone profile outside heating device, 2c first zone profile outside heating device and 2d first zone profile outside heating device, respectively, which zones are profile outlet zones.

Furthermore, the first area inner side heating device surrounds the inner side of the section bar, and the area is divided into four heating areas in the circumferential direction, wherein the four heating areas are respectively as follows: 1a first zone profile inside heating device, 1b first zone profile inside heating device, 1c first zone profile inside heating device and 1d first zone profile inside heating device. First area profile monitoring equipment fixing seats are arranged in the central positions of the four areas, the first area profile monitoring equipment fixing seats are fixed on the heating device on the inner side of the first area profile in a welding or bolt connection mode, and the interiors of the fixing seats are of threaded structures; the first area monitoring device is connected to the fixed seat in a threaded connection mode, and the outer surface of the monitoring device is matched with the outer edge surface of the heating device on the inner side of the section bar of the second area, so that the quality of the inner surface of the section bar is guaranteed.

Further, in the forming process of the section bar, the inner surface of the section bar generates pressure to the surfaces of the first area monitoring device and the first area section bar inner side heating device; when the first area monitoring device detects pressure, the pressure can be converted into the crystallinity of the section through the conversion relation, and the pressure is converted into a temperature signal through the first area monitoring sensor and transmitted to the first area section outside heating device and the first area section inside heating device.

The invention has the beneficial effects that: in the forming process of the section bar, the influence of the temperature of the section bar on the crystallization in the forming process can be monitored at any time, and the section bar with high dimensional stability is obtained.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic front sectional view.

1-a first area section bar outer side heating device, 2-a second area section bar outer side heating device, 3-a third area section bar outer side heating device, 4-a section bar, 5-a first area section bar inner side heating device, 6-a first area section bar monitoring equipment fixing base, 7-a first area monitoring device, 8-a second area section bar inner side heating device, 9-a second area section bar monitoring equipment fixing base, 10-a second area monitoring device, 11-a third area section bar inner side heating device, 12-a third area section bar monitoring equipment fixing base, 13-a third area monitoring device, 14-a first area monitoring sensor, 15-a second area monitoring sensor and 16-a third area monitoring sensor.

Detailed description of the preferred embodiments

The invention is further illustrated with reference to the following figures and examples.

As shown in fig. 1 to 2, the method for regulating and controlling a high-dimensional-stability profile comprises a first area profile outside heating device 1, a second area profile outside heating device 2, a third area profile outside heating device 3, a profile 4, a first area profile inside heating device 5, a first area profile monitoring device fixing seat 6, a first area monitoring device 7, a second area profile inside heating device 8, a second area profile monitoring device fixing seat 9, a second area monitoring device 10, a third area profile inside heating device 11, a third area profile monitoring device fixing seat 12, a third area monitoring device 13, 14-a first area monitoring sensor 14, a second area monitoring sensor 15, and a third area monitoring sensor 16.

And the third area of the device is connected with the extruder, and after the resin matrix enters the third area, the inside and outside heating devices 3a, 3b, 3c and 3d of the section bar in the third area respectively control the forming of the section bar.

In the forming process, because the section 4 generates pressure action on the section inside heating device 11 in the third area, the stability and the crystallinity can be indirectly expressed in a pressure form, and then the pressure signal is converted into a temperature signal which is transmitted to the section outside heating device 3 in the third area and the section inside heating device 11 in the third area through the third area monitoring sensor 16, so that the forming temperature of the section is adjusted.

When the section passes through the third area, the section sequentially enters the second area and the first area, the two areas have the function of the third area, and meanwhile, the temperature is sequentially reduced from the third area to the first area, so that the section is formed.

The above description is only for the purpose of illustrating preferred embodiments of the present invention or is to be construed as explaining the technical principles of the present invention and not limiting the present invention, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.