High-temperature-resistant detection device for PET (polyethylene terephthalate) modified plastics

Abstract

The utility model belongs to the technical field of PET (Polyethylene Terephthalate) modified plastic high-temperature-resistant detection devices, and particularly relates to a PET modified plastic high-temperature-resistant detection device which comprises a detection box, a detection device is mounted on the detection box; a detection cavity is formed in the detection box; a small motor is mounted in the fixed cavity; the top of the central shaft is fixedly connected with a rotating disc; a telescopic air cylinder is installed on the top end face of the inner wall of the detection cavity. The bottom of the telescopic rod is fixedly connected with a connecting seat; a pressing plate is mounted at the bottom of the pressure sensor; a heating plate is mounted on the side surface of the inner wall of the detection cavity; an auxiliary device is mounted on the detection box; an air inlet hole is formed in the bottom of the air inlet cavity; an air outlet hole is formed in the side surface of the inner wall of the air outlet cavity; an air outlet pipe is mounted at the end part of the air extracting pump; through the combined action of the detection device and the auxiliary device, large errors caused by uneven heating are avoided, and the cooling time of high-temperature plastic is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of a high temperature resistance detection device for PET modified plastics, in particular to a high temperature resistance detection device for PET modified plastics. Background Art

[0002] The main component of PET modified plastics is resin, which refers to polymer compounds that have not been mixed with various additives. PET modified plastics can withstand high temperatures of 120°C. When PET modified plastics are produced into plastic products, in order to ensure that they meet production requirements, it is necessary to conduct high temperature resistance testing on the products. The testing operation can be coordinated with the PET modified plastic high temperature resistance testing device;

[0003] The existing PET modified plastic high temperature resistance detection device consists of a detection box, a heating device, a detection structure and an operating table. By placing the plastic product to be detected on the operating table inside the detection box, turning on the heating device, and cooperating with the detection structure, the high temperature resistance detection of the PET modified plastic is achieved;

[0004] However, when the existing PET modified plastic is resistant to high temperature, uneven heating will occur. The plastic product is heated unevenly, resulting in errors in the test results. In addition, after the test operation is completed, a lot of time is required to dissipate heat with the test device before the test sample can be taken, and it is also very easy for the operator to be scalded. Therefore, a PET modified plastic high temperature resistance detection device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems of the high temperature resistance detection device for PET modified plastic, the utility model proposes a high temperature resistance detection device for PET modified plastic.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: the utility model discloses a high temperature resistant detection device for PET modified plastic, comprising a detection box; support blocks are fixedly connected to the four corners of the bottom of the detection box; a closing plate is rotatably installed on one side of the detection box through a pin shaft; a detection device is installed on the detection box; the detection device comprises a detection cavity; a detection cavity is provided inside the detection box; a fixed cavity is provided inside the bottom plate body of the detection box; a small motor is installed inside the fixed cavity; a central shaft is installed on the top of the output shaft of the small motor; the top of the central shaft passes through the plate body of the detection box and is inserted into the detection cavity; a rotating disk is fixedly connected to the top of the central shaft;

[0007] A telescopic cylinder is installed on the top end surface of the inner wall of the detection cavity; a telescopic rod is installed on the bottom of the telescopic cylinder; a connecting seat is fixedly connected to the bottom of the telescopic rod; a pressure sensor is installed on the bottom of the connecting seat; a pressure plate is installed on the bottom of the pressure sensor; a heating plate is installed on the side surface of the inner wall of the detection cavity; an observation hole is opened through the upper part of the plate body of the closing plate; a transparent glass plate is installed inside the observation hole; the effect of uniform heating of the plastic product is achieved.

[0008] Preferably, when the telescopic rod is stretched to its longest state, the bottom end surface of the pressing plate contacts the top end surface of the rotating disk, so that the pressing plate can function smoothly.

[0009] Preferably, the rotation range of the rotating disk is smaller than the size of the horizontal cross-section of the detection cavity; the horizontal plane where the bottom end surface of the rotating disk is located is higher than the horizontal plane where the bottom end surface of the inner wall of the detection cavity is located; thus, smooth rotation of the rotating disk is ensured.

[0010] Preferably, an auxiliary device is installed on the detection box; the auxiliary device includes an air inlet cavity; an air inlet cavity is opened inside the top plate of the detection box; an air inlet hole is opened at the bottom of the air inlet cavity; the air inlet cavity is connected with the detection cavity through the air inlet hole; a connecting hole is opened on the top of the detection box; a fan is connected to the top of the connecting hole; an operating valve is installed between the fan and the connecting hole; the effect of blowing air into the detection cavity is achieved.

[0011] Preferably, air outlet cavities are provided on the two side panels of the detection box; air outlet holes are provided on the inner wall side of the air outlet cavity; the air outlet cavity is connected with the detection cavity through the air outlet holes; an air pump is installed on the two outer sides of the detection box; the air pump can be connected with the air outlet cavity; the effect of quickly extracting the hot air inside the detection cavity is achieved.

[0012] Preferably, an air outlet pipe is installed at the end of the vacuum pump; a buffer box is installed on the side of the detection box away from the closing plate; the end of the air outlet pipe is connected to the buffer box; thereby ensuring that the auxiliary device can function smoothly.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model adopts the structural design of the detection device, places the plastic sample to be detected on the rotating disk inside the detection chamber, closes the closing plate, opens the heating plate, and then turns on the small motor inside the fixed chamber, and the central axis drives the rotating disk to rotate, so as to achieve the effect of uniform heating of the plastic product. After a predetermined time, the telescopic cylinder is opened, and the telescopic rod drives the connecting seat and the pressure sensor to move downward, and the pressure plate moves toward the heated plastic and generates a force with it. After the pressure sensor reaches the value of Yu Dong, the action of the telescopic cylinder is stopped, and the state of the plastic is observed through the transparent glass plate in the observation hole, so as to achieve the effect of high temperature resistance detection of the plastic, avoid large errors caused by uneven heating, and improve the accuracy of the detection operation.

[0015] 2. The utility model uses the structural design of the auxiliary device to open the fan and the action valve, and the external air enters the interior of the air inlet cavity through the connecting hole, and enters the interior of the detection cavity through the air inlet hole, thereby achieving a cooling effect on the high-temperature plastic. Then, the vacuum pump is turned on, and the high-temperature air after the action in the detection cavity enters the interior of the air outlet cavity through the air outlet hole, and is discharged from the buffer box through the air outlet pipe, thereby accelerating the flow of air in the detection cavity, reducing the cooling time of the high-temperature plastic, and avoiding the phenomenon of high-temperature plastic scalding the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is an isometric structural schematic diagram;

[0018] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 3 It is a structural schematic diagram of the detection box;

[0020] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0021] Figure 5 This is an isometric structural diagram.

[0022] In the figure: 1. detection box; 2. support block; 3. closing plate; 401. detection chamber; 402. fixed chamber; 403. small motor; 404. central axis; 405. rotating disk; 406. telescopic cylinder; 407. telescopic rod; 408. connecting seat; 409. pressure sensor; 410. pressing plate; 411. heating plate; 412. observation hole; 413. transparent glass plate; 501. air inlet chamber; 502. air inlet hole; 503. connecting hole; 504. fan; 505. air outlet chamber; 506. air outlet hole; 507. vacuum pump; 508. air outlet pipe; 509. buffer box; 6. support plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 As shown, a PET modified plastic high temperature resistance detection device comprises a detection box 1; support blocks 2 are fixedly connected at the four corners of the bottom of the detection box 1; a closing plate 3 is rotatably installed on one side of the detection box 1 through a pin shaft; a detection device is installed on the detection box 1; the detection device comprises a detection cavity 401; a detection cavity 401 is opened inside the detection box 1; a fixed cavity 402 is opened inside the bottom plate body of the detection box 1; a small motor 403 is installed inside the fixed cavity 402; a central shaft 404 is installed on the top of the output shaft of the small motor 403; the top of the central shaft 404 passes through the plate body of the detection box 1 and is inserted into the detection cavity 401; a rotating disk 405 is fixedly connected to the top of the central shaft 404;

[0025] A telescopic cylinder 406 is installed on the top end face of the inner wall of the detection chamber 401; a telescopic rod 407 is installed on the bottom of the telescopic cylinder 406; a connecting seat 408 is fixedly connected to the bottom of the telescopic rod 407; a pressure sensor 409 is installed at the bottom of the connecting seat 408; a pressing plate 410 is installed at the bottom of the pressure sensor 409; a heating plate 411 is installed on the side of the inner wall of the detection chamber 401; an observation hole 412 is opened through the upper part of the plate body of the closing plate 3; a transparent glass plate 413 is installed inside the observation hole 412; when the telescopic rod 407 is stretched to the longest state, the bottom end face of the pressing plate 410 contacts the top end face of the rotating disk 405; the rotation range of the rotating disk 405 is smaller than the size of the horizontal cross-section of the detection chamber 401; the horizontal plane where the bottom end face of the rotating disk 405 is located is higher than the horizontal plane where the bottom end face of the inner wall of the detection chamber 401 is located;

[0026] When working, the main component of PET modified plastic is resin, which refers to a high molecular compound that has not been mixed with various additives. PET modified plastic can withstand high temperatures of 120°C. When PET modified plastic is produced into plastic products, in order to ensure whether it meets production requirements, it is necessary to conduct a high temperature resistance test on the product. The detection operation can be coordinated with a PET modified plastic high temperature resistance detection device; however, when the existing PET modified plastic is resistant to high temperatures, uneven heating will occur, and the plastic product will be heated unevenly, resulting in errors in the detection results. The present application uses a detection device to act by placing the plastic sample to be tested on the rotating disk 405 inside the detection chamber 401, closing the closing plate 3, and opening the heating plate 411 , and then turn on the small motor 403 inside the fixed cavity 402, and the central axis 404 drives the rotating disk 405 to rotate, so as to achieve the effect of uniform heating of the plastic product. After the predetermined time, turn on the telescopic cylinder 406, and the telescopic rod 407 drives the connecting seat 408 and the pressure sensor 409 to move downward. The model of the pressure sensor 409 is: PT124B-111T, and the pressing plate 410 moves toward the heated plastic and generates a force with it. After the pressure sensor 409 reaches the value of Yu Dong, the action of the telescopic cylinder 406 is stopped, and the state of the plastic is observed through the transparent glass plate 413 in the observation hole 412, so as to achieve the effect of detecting the high temperature resistance of the plastic, avoid the large error caused by uneven heating, and improve the accuracy of the detection operation.

[0027] See also Figure 1 , 4 As shown, an auxiliary device is installed on the detection box 1; the auxiliary device includes an air inlet cavity 501; an air inlet cavity 501 is opened inside the top plate of the detection box 1; an air inlet hole 502 is opened at the bottom of the air inlet cavity 501; the air inlet cavity 501 is connected to the detection cavity 401 through the air inlet hole 502; a connecting hole 503 is opened on the top of the detection box 1; a fan 504 is connected to the top of the connecting hole 503; an operating valve is installed between the fan 504 and the connecting hole 503; on the two side plates of the detection box 1 An air outlet cavity 505 is provided; an air outlet hole 506 is provided on the inner wall side of the air outlet cavity 505; the air outlet cavity 505 is connected with the detection cavity 401 through the air outlet hole 506; an air pump 507 is installed on the two outer sides of the detection box 1; the air pump 507 can be connected with the air outlet cavity 505; an air outlet pipe 508 is installed at the end of the air pump 507; a buffer box 509 is installed on the side of the detection box 1 away from the closing plate 3; the end of the air outlet pipe 508 is connected to the buffer box 509;

[0028] During operation, after the detection operation is completed, a lot of time is needed to dissipate heat with the detection device before the detection sample can be taken. It is also very easy for the operator to be scalded. The present application works through an auxiliary device. After the detection operation is completed, the fan 504 and the action valve are turned on, and the external air enters the interior of the air inlet cavity 501 through the connecting hole 503, and enters the interior of the detection cavity 401 through the air inlet hole 502, thereby achieving a cooling effect on the high-temperature plastic. Then the vacuum pump 507 is turned on, and the high-temperature air after the action inside the detection cavity 401 enters the interior of the air outlet cavity 505 through the air outlet hole 506, and is discharged from the buffer box 509 through the air outlet pipe 508, thereby accelerating the flow of air inside the detection cavity 401, reducing the cooling time of the high-temperature plastic, and avoiding the phenomenon of high-temperature plastic scalding the staff.

[0029] See also Figure 5 As shown, as another embodiment of the present invention, a support plate 6 is provided at the bottom of the buffer box 509; during operation, the buffer box 509 can be ensured to have a more stable operating state when in action.

[0030] Working principle: The main component of PET modified plastic is resin, which refers to a polymer compound that has not been mixed with various additives. PET modified plastic can withstand high temperatures of 120°C. When PET modified plastic is produced into plastic products, in order to ensure that it meets production requirements, it is necessary to conduct high temperature resistance testing on the product. The testing operation can be carried out with the PET modified plastic high temperature resistance testing device; however, when the existing PET modified plastic is resistant to high temperatures, uneven heating will occur, and the plastic product will be heated unevenly, resulting in errors in the test results. This application is to The detection device is used to place the plastic sample to be detected on the rotating disk 405 inside the detection chamber 401, close the closing plate 3, open the heating plate 411, and then turn on the small motor 403 inside the fixed chamber 402. The central shaft 404 drives the rotating disk 405 to rotate, so as to achieve the effect of uniform heating of the plastic product. After a predetermined time, the telescopic cylinder 406 is opened, and the telescopic rod 407 drives the connecting seat 408 and the pressure sensor 409 to move downward. The model of the pressure sensor 409 is: PT124B-111T, and the pressing plate 410 moves toward the heating plate. The heated plastic moves and generates a force therewith. After the pressure sensor 409 reaches the value of Yu Dong, the action of the telescopic cylinder 406 is stopped, and the state of the plastic is observed through the transparent glass plate 413 in the observation hole 412, so as to achieve the effect of high temperature resistance detection of the plastic, avoid large errors caused by uneven heating, and improve the accuracy of the detection operation; in addition, after the detection operation is completed, it takes a lot of time to dissipate heat with the detection device before the detection sample can be taken, and it is also very easy for the operator to be scalded. The present application uses the auxiliary device to act during the detection After the test operation is completed, the fan 504 and the action valve are turned on, and the external air enters the interior of the air inlet cavity 501 through the connecting hole 503, and enters the interior of the test cavity 401 through the air inlet hole 502, thereby achieving a cooling effect on the high-temperature plastic. Then, the vacuum pump 507 is turned on, and the high-temperature air after the action inside the test cavity 401 enters the interior of the air outlet cavity 505 through the air outlet hole 506, and is discharged from the buffer box 509 through the air outlet pipe 508, thereby accelerating the flow of air inside the test cavity 401, reducing the cooling time of the high-temperature plastic, and avoiding the phenomenon of high-temperature plastic scalding the staff.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A PET modified plastic high temperature resistance detection device, comprising a detection box (1); support blocks (2) are fixedly connected to the four corners of the bottom of the detection box (1); a closing plate (3) is rotatably mounted on one side of the detection box (1) through a pin; a detection device is mounted on the detection box (1); the characteristics are: The detection device comprises a detection cavity (401); the detection box (1) is provided with a detection cavity (401); the bottom plate of the detection box (1) is provided with a fixed cavity (402); a small motor (403) is installed inside the fixed cavity (402); a central shaft (404) is installed on the top of the output shaft of the small motor (403); the top of the central shaft (404) passes through the plate of the detection box (1) and is inserted into the detection cavity (401); the top of the central shaft (404) is fixedly connected to a rotating disk (405); A telescopic cylinder (406) is installed on the top end surface of the inner wall of the detection chamber (401); a telescopic rod (407) is installed at the bottom of the telescopic cylinder (406); a connecting seat (408) is fixedly connected to the bottom of the telescopic rod (407); a pressure sensor (409) is installed at the bottom of the connecting seat (408); a pressure plate (410) is installed at the bottom of the pressure sensor (409); a heating plate (411) is installed on the side surface of the inner wall of the detection chamber (401); an observation hole (412) is opened through the upper part of the plate body of the closing plate (3); and a transparent glass plate (413) is installed inside the observation hole (412).

2. A PET modified plastic high temperature resistance detection device according to claim 1, characterized in that: When the telescopic rod (407) is stretched to its longest state, the bottom end surface of the pressing plate (410) contacts the top end surface of the rotating disk (405).

3. A PET modified plastic high temperature resistance detection device according to claim 2, characterized in that: The rotation range of the rotating disk (405) is smaller than the size of the horizontal cross section of the detection cavity (401); the horizontal plane where the bottom end surface of the rotating disk (405) is located is higher than the horizontal plane where the bottom end surface of the inner wall of the detection cavity (401) is located.

4. A PET modified plastic high temperature resistance detection device according to claim 3, characterized in that: The detection box (1) is provided with an auxiliary device; the auxiliary device comprises an air inlet cavity (501); an air inlet cavity (501) is provided inside a top plate of the detection box (1); an air inlet hole (502) is provided at the bottom of the air inlet cavity (501); the air inlet cavity (501) is connected to the detection cavity (401) through the air inlet hole (502); a connecting hole (503) is provided at the top of the detection box (1); a fan (504) is connected to the top of the connecting hole (503); and an operating valve is provided between the fan (504) and the connecting hole (503).

5. A PET modified plastic high temperature resistance detection device according to claim 4, characterized in that: The detection box (1) is provided with air outlet cavities (505) on both side plates; the inner wall side of the air outlet cavity (505) is provided with air outlet holes (506); the air outlet cavity (505) is connected with the detection cavity (401) through the air outlet holes (506); the two outer side surfaces of the detection box (1) are equipped with air pumps (507); the air pumps (507) can be connected with the air outlet cavity (505).

6. A PET modified plastic high temperature resistance detection device according to claim 5, characterized in that: An air outlet pipe (508) is installed at the end of the air pump (507); a buffer box (509) is installed on the side of the detection box (1) away from the closing plate (3); and the end of the air outlet pipe (508) is connected to the buffer box (509).

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