Cold and hot impact test box

Abstract

The utility model discloses a cold and hot impact test box, relates to the technical field of material testing, and aims to solve the problems that in the prior art, the cold and hot working spaces of the existing cold and hot impact test box are not good enough in air tightness and are easy to interfere with each other during working, and the experimental space is large in change, the heating or cooling speed is influenced and the working efficiency is low during cold and hot alternate impact experiments. The test is not accurate, and the use is not reliable enough. A partition column is arranged in the test cylinder, a thermal shock bin and a cold shock bin are arranged in the test cylinder, a first thermal insulation filler and a second thermal insulation filler are arranged between the thermal shock bin and the cold shock bin, a partition seat is arranged between the test cylinder and the driving box, and the test cylinder is rotationally connected with the partition seat. A driving device for driving the test cylinder to rotate is arranged in the driving box, a rotating shaft is mounted below the test cylinder, a worm gear is mounted at one end of the rotating shaft, and a worm in transmission connection with the worm gear is arranged in the driving box.

Description

TECHNICAL FIELD

[0001] The utility model relates to material testing technical field, concretely to a cold and hot impact test chamber. BACKGROUND

[0002] The cold and hot impact test chamber is used for providing cold and hot impact test for workpieces, and is a necessary test equipment in the material industry such as metal, plastic, rubber and electronic material. The cold and hot impact test is a detection means for material performance in the material industry, and the change of material caused by thermal expansion and cold contraction is tested through the alternate change of high temperature and low temperature or two environmental temperatures.

[0003] For example, the announcement number is CN221485264U, a cold and hot impact test chamber, including processing box, the lower surface of processing box is fixedly installed with four groups of support columns in symmetry, the upper surface of processing box is opened with two groups of sliding grooves in symmetry, the inside of two groups of sliding grooves is slidably installed with partition plate, the opposite side wall of two groups of partition plates is installed with lifting assembly for height adjustment of partition plate, the upper surface of processing box is fixedly installed with air cooler on one side, the side wall of processing box is fixedly installed with air heater on one side, the bottom of processing box is fixedly embedded with positioning shell, the inside of positioning shell is installed with driving assembly, the upper surface of driving assembly is installed with bearing table, the bottom of two groups of partition plates is opened with the notch corresponding with positioning shell, the positioning shell is slidably connected with two groups of notches.

[0004] The above application divides the inside of the processing box into three areas by setting the processing box, partition plate, air cooler and air heater, the air cooler reduces the temperature of one area to form a cold air zone, the air heater increases the temperature of one area to form a hot air zone, the sliding groove, electric push rod and positioning plate are used to lift the partition plate, the guide rod is used to limit the positioning plate, and the positioning plate runs more stably. However, the air tightness of the cold and hot working space is not good, the work is easy to interfere with each other, and the experimental space changes greatly during the cold and hot alternating impact test, which affects the heating or cooling speed, leading to inaccurate test and unreliable use. Therefore, there is an urgent need to develop a cold and hot impact test chamber to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a cold and hot impact test chamber to solve the problem of the air tightness of the cold and hot working space of the current cold and hot impact test chamber, which is not good, the work is easy to interfere with each other, and the experimental space changes greatly during the cold and hot alternating impact test, which affects the heating or cooling speed, leading to inaccurate test and unreliable use.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a thermal shock test chamber, comprising a test cylinder and a drive box, wherein a partition column is provided inside the test cylinder, and a thermal shock chamber and a cold shock chamber are provided inside the test cylinder, wherein a first thermal insulation filler and a second thermal insulation filler are respectively provided between the thermal shock chamber and the cold shock chamber, a partition seat is provided between the test cylinder and the drive box, the test cylinder and the partition seat are rotatably connected, and a drive device for driving the test cylinder to rotate is provided inside the drive box.

[0007] Through the above technical solution, a thermal shock chamber and a cold shock chamber are independently set inside the test cylinder. The test cylinder can rotate, and a first thermal insulation filler and a second thermal insulation filler are set between the thermal shock chamber and the cold shock chamber. When the thermal shock chamber and the cold shock chamber work separately, the two impact chambers will not interfere with each other. At the same time, the two impact chambers can work simultaneously. By swapping the positions of the two impact chambers, rapid thermal shock can be carried out. This not only improves the airtightness but also improves the efficiency of the thermal shock test, making the thermal shock test chamber more reliable in use.

[0008] In a preferred embodiment, the present invention can be further configured such that: a rotating shaft is installed below the test cylinder, a worm gear is installed at one end of the rotating shaft, and a worm gear is provided in the drive box that is connected to the worm gear for transmission.

[0009] The above technical solution utilizes the action of worm gear and worm to achieve the effects of deceleration and locking.

[0010] In a preferred embodiment, the present invention can be further configured such that: a driven wheel is mounted on the outer side of the worm gear, a driving device is provided inside the drive box, a driving wheel is mounted on the output end of the driving device, and the driving wheel and the driven wheel are connected by belt drive.

[0011] The above technical solution drives the drive wheel to rotate, and the drive wheel drives the worm gear to rotate through the driven wheel.

[0012] In a preferred embodiment, the present invention can be further configured such that: a hot air blower and a cold air blower are respectively provided in the drive box, and the bottom of the thermal shock chamber and the cold shock chamber are provided with through openings, and the hot air blower and the cold air blower are respectively connected to the thermal shock chamber and the cold shock chamber through the through openings.

[0013] In a preferred embodiment, the present invention can be further configured such that: a first grid is provided inside the thermal shock chamber, a second grid is provided inside the cold shock chamber, and a first air outlet and a second air outlet are respectively provided on the outside of the test cylinder.

[0014] The above technical solution utilizes a grille design to raise the height of the material to be tested, and the two air outlets facilitate air circulation, accelerating cooling or heating.

[0015] In a preferred embodiment, the present invention can be further configured such that a first sealing cap and a second sealing cap are respectively provided above the test cylinder.

[0016] Through the above technical solution, the first sealing cover and the second sealing cover are used to seal the top of the thermal shock chamber and the cold shock chamber, respectively.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] This invention features a test chamber with independently configured thermal shock chamber and cold shock chamber. The test chamber is rotatable, and a first and second thermal insulation filler are installed between the thermal shock chamber and the cold shock chamber. When the thermal shock chamber and the cold shock chamber are working separately, they do not interfere with each other. At the same time, the two chambers can work simultaneously. By swapping the positions of the two chambers, rapid thermal shock can be performed. This not only improves airtightness but also increases the efficiency of the thermal shock test, making the thermal shock test chamber more reliable. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a thermal shock test chamber according to the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of a thermal shock test chamber according to the present invention;

[0021] Figure 3 This is a top view of the test cylinder of this utility model.

[0022] In the diagram: 1. Test cylinder; 2. Drive box; 3. Spacer; 4. First sealing cover; 5. Second sealing cover; 6. First air outlet; 7. Second air outlet; 8. Thermal shock chamber; 9. Cold shock chamber; 10. First grid; 11. Second grid; 12. Hot air blower; 13. Cold air blower; 14. Partition; 15. Rotating shaft; 16. Worm gear; 17. Worm; 18. Driven wheel; 19. Drive unit; 20. Drive wheel; 21. First thermal insulation filler; 22. Second thermal insulation filler. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0026] Please see Figure 1 , Figure 2 and Figure 3 An embodiment of this utility model provides a thermal shock test chamber, comprising a test cylinder 1 and a drive box 2. A partition column 14 is provided inside the test cylinder 1. A thermal shock chamber 8 and a cold shock chamber 9 are provided inside the test cylinder 1. A first thermal insulation filler 21 and a second thermal insulation filler 22 are respectively provided between the thermal shock chamber 8 and the cold shock chamber 9. A partition seat 3 is provided between the test cylinder 1 and the drive box 2. The test cylinder 1 and the partition seat 3 are rotatably connected. A drive device 19 for driving the test cylinder 1 to rotate is provided inside the drive box 2.

[0027] Please see Figure 2 A rotating shaft 15 is installed below the test cylinder 1. A worm gear 16 is installed at one end of the rotating shaft 15. A worm 17 is installed in the drive box 2 and is connected to the worm gear 16. The worm 17 is rotatably connected to the drive box 2 through a bearing seat.

[0028] Please see Figure 2 A driven wheel 18 is installed on the outer side of the worm gear 17, and a drive device 19 is provided in the drive box 2. A drive wheel 20 is installed at the output end of the drive device 19, and the drive wheel 20 and the driven wheel 18 are connected by belt drive.

[0029] Please see Figure 2 The drive box 2 is equipped with a hot air blower 12 and a cold air blower 13. The bottom of the thermal shock chamber 8 and the cold shock chamber 9 are provided with openings, and the hot air blower 12 and the cold air blower 13 are connected to the thermal shock chamber 8 and the cold shock chamber 9 respectively through the openings.

[0030] Please seeFigure 1 , Figure 2 and Figure 3 The thermal shock chamber 8 is equipped with a first grid 10, the cold shock chamber 9 is equipped with a second grid 11, and the test cylinder 1 is equipped with a first air outlet 6 and a second air outlet 7 on its outer side.

[0031] Please see Figure 1 The test cylinder 1 is provided with a first sealing cover 4 and a second sealing cover 5 on the top. The first sealing cover 4 and the second sealing cover 5 are rotatably connected to the test cylinder 1 and are fixed by a locking buckle.

[0032] Working principle: In use, the first sealing cover 4 and the second sealing cover 5 are opened, and the two sets of workpieces to be tested are placed inside the thermal shock chamber 8 and the cold shock chamber 9, respectively, and supported by the first grid 10 and the second grid 11. Then, hot air is injected into the thermal shock chamber 8 by the hot air blower 12, and cold air is injected into the cold shock chamber 9 by the cold air blower 13, thereby heating and cooling the two sets of workpieces respectively. After the heating and cooling work is completed, the drive wheel 20 is driven to rotate by the drive device 19. The drive wheel 20 drives the worm 17 to rotate through the driven wheel 18. The worm 17 drives the rotating shaft 15 to rotate through the worm wheel 16, thereby driving the test cylinder 1 to rotate and exchanging the positions of the thermal shock chamber 8 and the cold shock chamber 9, thereby rapidly cooling and heating the interior of the thermal shock chamber 8 and the cold shock chamber 9, thus forming a thermal shock experiment.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A cold thermal shock test chamber comprising a test cylinder (1) and a drive box (2), characterized in that: The test cylinder (1) is provided with a partition column (14), the test cylinder (1) is provided with a hot impact bin (8) and a cold impact bin (9), the hot impact bin (8) and the cold impact bin (9) are provided with a first temperature insulation filling (21) and a second temperature insulation filling (22) respectively, the test cylinder (1) and the driving box (2) are provided with a partition seat (3), the test cylinder (1) and the partition seat (3) are rotationally connected, and the driving box (2) is provided with a driving device (19) for driving the test cylinder (1) to rotate.

2. The cold thermal shock test chamber of claim 1, wherein: The test cylinder (1) is provided with a rotating shaft (15), one end of the rotating shaft (15) is provided with a worm wheel (16), and the driving box (2) is provided with a worm gear (17) in transmission connection with the worm wheel (16).

3. A cold thermal shock test chamber as claimed in claim 2, wherein: The outer side of the worm gear (17) is provided with a driven wheel (18), the driving box (2) is provided with a driving device (19), the output end of the driving device (19) is provided with a driving wheel (20), and the driving wheel (20) and the driven wheel (18) are in transmission connection through a belt.

4. The cold thermal shock test chamber of claim 1, wherein: The driving box (2) is provided with a hot air blower (12) and a cold air blower (13) respectively, the bottom of the hot impact bin (8) and the cold impact bin (9) is provided with a through hole, and the hot air blower (12) and the cold air blower (13) are in communication with the hot impact bin (8) and the cold impact bin (9) through the through hole respectively.

5. The cold thermal shock test chamber of claim 1, wherein: The inside of the hot impact bin (8) is provided with a first grid (10), the inside of the cold impact bin (9) is provided with a second grid (11), and the outside of the test cylinder (1) is provided with a first air outlet (6) and a second air outlet (7) respectively.

6. The thermal shock chamber of claim 1, wherein: The upper side of the test cylinder (1) is provided with a first sealing cover (4) and a second sealing cover (5) respectively.

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