Cold and hot impact testing machine

Abstract

The utility model relates to the technical field of test equipment, in particular to a cold and hot impact testing machine which comprises a supporting table, a test bin and a sealing door, the upper side of the supporting table is fixedly connected with two first adjusting seats which are symmetrically distributed left and right, and the upper side of each first adjusting seat is fixedly connected with a pair of first hydraulic cylinders; according to the device disclosed by the utility model, through the arrangement of the gas pump, the ventilation pipe, the heating assembly and the hot air conveying pipe, the device can support a test material through the sliding frame and the supporting plate, and the gas pump is matched with the cold air conveying pipe or the hot air conveying pipe to form air circulation; according to the device, the refrigeration assembly or the heating assembly is used for refrigeration or heating, the test bin is used for replacing a refrigeration bin and a heating bin, test materials do not need to be carried through a conveying assembly in the test process, the equipment structure is simplified, meanwhile, the carrying time is saved, and the test efficiency is improved.

Description

TECHNICAL FIELD

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

[0002] The cold and hot impact testing machine is the testing equipment of metal, plastic, rubber, electronic material industry, and he is used for testing the performance change of material under the continuous impact of extremely high temperature and extremely low temperature in short time, and the chemical change or physical damage caused by thermal expansion and cold contraction of test sample in short time is detected, the cold and hot impact testing machine includes refrigeration assembly, heating assembly and conveying assembly, and the test sample is carried back and forth between the refrigeration bin and the heating bin through the conveying assembly.

[0003] Part of the existing cold and hot impact testing machine is provided with refrigeration bin and heating bin two parts, and the test material needs to be carried through the conveying assembly when carrying out cold and hot impact test, the conveying assembly not only makes the equipment structure more complex, but also needs a certain time for carrying, so that the test efficiency is reduced, therefore, a kind of cold and hot impact testing machine is provided for the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of cold and hot impact testing machine, to solve the problem that part of the existing cold and hot impact testing machine is provided with refrigeration bin and heating bin two parts, and the test material needs to be carried through the conveying assembly when carrying out cold and hot impact test, the conveying assembly not only makes the equipment structure more complex, but also needs a certain time for carrying, so that the test efficiency is reduced.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A cold and hot impact testing machine, including support platform, test bin and sealing door, the upper side of the support platform is fixedly connected with two first adjusting seats which are symmetrically distributed left and right, the upper side of the first adjusting seat is fixedly connected with a pair of first hydraulic cylinders, the piston rod of each pair of first hydraulic cylinders is fixedly connected with a second adjusting seat, the lower side of the second adjusting seat is slidably connected with the first adjusting seat, the upper side of the second adjusting seat is fixedly connected with a second hydraulic cylinder, the piston rod of the second hydraulic cylinder is fixedly connected with a limiting sleeve, the lower side of the limiting sleeve is slidably connected with the second adjusting seat, the mounting groove of the support platform is fixedly connected with a test bin, the front side of the test bin is provided with a sealing door, the left and right sides of the sealing door are fixedly connected with a limiting block, the limiting block is located in the limiting sleeve, the inner side of the test bin is fixedly connected with two limiting frames which are symmetrically distributed left and right, the sliding frame is slidably connected between the two limiting frames, the inner side of the sliding frame is fixedly connected with a supporting plate, the first air inlet of the test bin is fixedly connected with a first air inlet pipe, the second air inlet of the test bin is fixedly connected with a second air inlet pipe, the exhaust port of the test bin is fixedly connected with an exhaust pipe, the upper side of the test bin is fixedly connected with four supporting legs, the upper side of the supporting leg is fixedly connected with a gas pump, the upper side of the gas pump is fixedly connected with an air exchange pipe, the upper side of the left half of the support platform is fixedly connected with a refrigeration assembly, the upper side of the refrigeration assembly is fixedly connected with a cold air delivery pipe, the right end of the cold air delivery pipe is fixedly connected with the air exchange pipe, the upper side of the right half of the support platform is fixedly connected with a heating assembly, the upper side of the heating assembly is fixedly connected with a hot air delivery pipe, the left end of the hot air delivery pipe is fixedly connected with the air exchange pipe.

[0007] Preferably, the upper side of the support platform is provided with a mounting groove, the first adjusting seat is provided with two first sliding grooves in the left and right directions, the lower side of the second adjusting seat is provided with two first sliding blocks, and the second adjusting seat is provided with a second sliding groove in the front and back directions.

[0008] Preferably, the left side of the test bin is provided with a first air inlet, the right side of the test bin is provided with a second air inlet, the upper side of the test bin is provided with an exhaust port, and the sealing door is provided with a temperature measuring instrument and a pressure measuring instrument.

[0009] Preferably, the front side of the limiting frame is provided with a first limiting protrusion, the upper side of the last end of the sliding frame is provided with a second limiting protrusion, the supporting plate is provided with uniformly distributed air holes, and the first air inlet pipe, the second air inlet pipe and the exhaust pipe are all provided with electrically controlled on-off valves.

[0010] Preferably, the upper and lower sides of the gas pump are both provided with gas delivery pipes, the air exchange pipe is a "cross" structure, the four openings of the air exchange pipe are all provided with electrically controlled on-off valves, and the cold air delivery pipe and the hot air delivery pipe are both "L" shaped bent pipes.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the utility model, the device can support test materials through the sliding frame and the supporting plate, air circulation is formed through the gas pump and the cold air delivery pipe or the hot air delivery pipe, refrigeration or heating is carried out through the refrigeration assembly or the heating assembly, the device uses the test bin to replace the refrigeration bin and the heating bin, and the test materials do not need to be carried through the conveying assembly when testing, so that the equipment structure is simplified, the carrying time is saved, and the test efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the test bin installation structure schematic diagram of the utility model;

[0015] Figure 3 It is the limiting sleeve installation structure schematic diagram of the utility model;

[0016] Figure 4 It is the supporting plate installation structure schematic diagram of the utility model;

[0017] Figure 5 It is the limiting frame installation structure schematic diagram of the utility model;

[0018] Figure 6 It is the gas pump installation structure schematic diagram of the utility model.

[0019] In the drawing: 1, support table;2, first adjusting seat;3, first hydraulic cylinder;4, second adjusting seat;5, second hydraulic cylinder;6, limiting sleeve;7, test bin;8, sealing door;9, limiting block;10, limiting frame;11, sliding frame;12, supporting plate;13, first air inlet pipe;14, second air inlet pipe;15, exhaust pipe;16, supporting leg;17, gas pump;18, air pipe;19, refrigeration assembly;20, cold air delivery pipe;21, heating assembly;22, hot air delivery pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] In the description of the utility model, it is necessary to understand that the orientation words such as " front, back, top, bottom, left, right " " horizontal, vertical, perpendicular, horizontal " and " top, bottom " and the orientation or positional relationship indicated usually based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, under the condition without making the opposite statement, these orientation words do not indicate and imply that the device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore it can not be understood as the limitation of the protection scope of the utility model;The orientation words " inside, outside " refer to the inside and outside relative to the contour of each component.

[0022] In addition, it should be noted that the use of " first " " second " and other words to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning if not declared separately, therefore it can not be understood as the limitation of the protection scope of the utility model.

[0023] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0024] A cold and hot impact testing machine, including support platform 1, test bin 7 and sealing door 8, the upper side of support platform 1 is fixedly connected with two first adjusting seat 2 that are symmetrically distributed left and right, the upper side of first adjusting seat 2 is fixedly connected with a pair of first hydraulic cylinder 3, the piston rod of each pair of first hydraulic cylinder 3 is fixedly connected with second adjusting seat 4, the lower side of second adjusting seat 4 is slidably connected with first adjusting seat 2, the upper side of second adjusting seat 4 is fixedly connected with second hydraulic cylinder 5, the piston rod of second hydraulic cylinder 5 is fixedly connected with limit sleeve 6, the lower side of limit sleeve 6 is slidably connected with second adjusting seat 4, the mounting groove of support platform 1 is fixedly connected with test bin 7, the front side of test bin 7 is equipped with sealing door 8, the left and right sides of sealing door 8 are fixedly connected with limit block 9, limit block 9 is located in limit sleeve 6, the inner side of test bin 7 is fixedly connected with two limit frame 10 that are symmetrically distributed left and right, sliding frame 11 is slidably connected between two limit frame 10, the inner side of sliding frame 11 is fixedly connected with bearing plate 12, the first air inlet of test bin 7 is fixedly connected with first air inlet pipe 13, the second air inlet of test bin 7 is fixedly connected with second air inlet pipe 14, the air outlet of test bin 7 is fixedly connected with exhaust pipe 15, the upper side of test bin 7 is fixedly connected with four support leg 16, the upper side of support leg 16 is fixedly connected with gas pump 17, the upper side of gas pump 17 is fixedly connected with air exchange pipe 18, the upper side left half of support platform 1 is fixedly connected with refrigeration assembly 19, the upper side of refrigeration assembly 19 is fixedly connected with cold air delivery pipe 20, the right end of cold air delivery pipe 20 is fixedly connected with air exchange pipe 18, the upper side right half of support platform 1 is fixedly connected with heating assembly 21, the upper side of heating assembly 21 is fixedly connected with hot air delivery pipe 22, the left end of hot air delivery pipe 22 is fixedly connected with air exchange pipe 18.

[0025] The upper side of the support table 1 is provided with a mounting groove, each of the first adjusting seats 2 is provided with two first sliding grooves in left-right direction, the lower side of each of the second adjusting seats 4 is provided with two first sliding blocks, each of the second adjusting seats 4 is provided with a second sliding groove in front-back direction, the lower side of each of the limiting sleeves 6 is provided with a second sliding block, the second adjusting seats 4 can be driven to move left and right by the first hydraulic cylinders 3, the limiting sleeves 6 can be driven to move forward and backward by the second hydraulic cylinders 5; the left side of the test bin 7 is provided with a first air inlet, the right side of the test bin 7 is provided with a second air inlet, the upper side of the test bin 7 is provided with an air outlet, the sealing door 8 is provided with a temperature measuring instrument and a pressure measuring instrument, the test material can be sealed by the test bin 7 and the sealing door 8; the front side of each of the limiting frames 10 is provided with a first limiting protrusion, the upper side of the last end of the sliding frame 11 is provided with a second limiting protrusion, the supporting plate 12 is provided with evenly distributed air holes, the first air inlet pipe 13, the second air inlet pipe 14 and the air outlet pipe 15 are provided with electric control on-off valves, the air flow direction in the test bin 7 can be adjusted by the first air inlet pipe 13, the second air inlet pipe 14 and the air outlet pipe 15; the upper and lower sides of the gas pump 17 are provided with gas conveying pipes, the gas exchange pipe 18 is in a cross shape, the four openings of the gas exchange pipe 18 are provided with electric control on-off valves, the cold gas conveying pipe 20 and the hot gas conveying pipe 22 are both L-shaped bent pipes, the air circulation is formed by the gas pump 17 cooperating with the cold gas conveying pipe 20 or the hot gas conveying pipe 22.

[0026] Workflow: Before use, fix the support table 1 and connect the power supply. The device is equipped with an external controller, which is electrically connected to the first hydraulic cylinder 3, the second hydraulic cylinder 5, the sealing door 8, the first air inlet pipe 13, the second air inlet pipe 14, the exhaust pipe 15, the gas pump 17, the air exchange pipe 18, the refrigeration assembly 19, and the heating assembly 21. Manual operation of the external controller can adjust the operating state of the first hydraulic cylinder 3, the second hydraulic cylinder 5, the sealing door 8, the first air inlet pipe 13, the second air inlet pipe 14, the exhaust pipe 15, the gas pump 17, the air exchange pipe 18, the refrigeration assembly 19, and the heating assembly 21. The refrigeration assembly 19 and the heating assembly 21 of the device are both existing devices, and the above are all prior art. When using the device, first, use the external controller to make the second hydraulic cylinder 5 on the second adjusting seat 4 protrude. The second sliding block on the lower side of the limiting sleeve 6 can slide back and forth in the second sliding groove of the second adjusting seat 4, thereby stably moving the limiting sleeve 6 forward. The limiting block 9 is moved forward by the limiting sleeve 6, and the first hydraulic cylinder 3 on the first adjusting seat 2 is retracted, and the first sliding block on the lower side of the second adjusting seat 4 can slide left and right in the first sliding groove of the first adjusting seat 2, so that the two second adjusting seats 4 move away from each other. The two limiting sleeves 6 are moved away from each other by the second adjusting seat 4, and the sealing door 8 and the limiting block 9 can be removed. Pull the sliding frame 11 forward along the limiting frame 10, and the sliding frame 11 and the supporting plate 12 can be pulled out of the test chamber 7. Then place the test material on the supporting plate 12, reset the sliding frame 11 and the supporting plate 12, and reinstall the sealing door 8 and the limiting block 9 on the test chamber 7. At this time, the test chamber 7 and the sealing door 8 are sealed. Then, start the gas pump 17 on the support leg 16 through the external controller, open the switch valve at the lower opening of the first air inlet pipe 13, the exhaust pipe 15, and the air exchange pipe 18, and the switch valve at the left opening of the air exchange pipe 18, start the refrigeration assembly 19, and through the cold air delivery pipe 20, the test chamber 7 and the refrigeration assembly 19 can form an air circulation, so that the test chamber 7 can be rapidly cooled, and the test material can be tested at low temperature. Then, close the switch valve at the left opening of the air exchange pipe 18 and open the switch valve at the right opening of the air exchange pipe 18 through the external controller, close the first air inlet pipe 13 and open the second air inlet pipe 14, close the refrigeration assembly 19 and start the heating assembly 21, and through the hot air delivery pipe 22, the test chamber 7 and the heating assembly 21 can form an air circulation, so that the test chamber 7 can be rapidly heated, and the test material can be tested at high temperature. The temperature measuring instrument and the pressure measuring instrument of the sealing door 8 can monitor the temperature and pressure inside the test chamber 7 during this process. If it is necessary to adjust the pressure in the test chamber 7, the gas pump 17 can be started through the external controller, the switch valve at the lower opening of the exhaust pipe 15 and the air exchange pipe 18, and the switch valve at the upper opening of the air exchange pipe 18 are opened, and the air in the test chamber 7 is exhausted or extracted.The device can support the test material through the sliding frame 11 and the supporting plate 12, circulate air through the air pump 17 in cooperation with the cold air conveying pipe 20 or the hot air conveying pipe 22, and carry out refrigeration or heating through the refrigeration assembly 19 or the heating assembly 21; the device uses the test bin 7 instead of the refrigeration bin and the heating bin, and does not need to carry the test material through the conveying assembly during the test, so that the equipment structure is simplified, the carrying time is saved, and the test efficiency is improved.

[0027] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cold-heat shock testing machine comprising a support table (1), a test chamber (7) and a sealing door (8), characterized in that: The upper side of the support table (1) is fixedly connected with two first adjusting seats (2) which are symmetrically distributed left and right, the upper side of each first adjusting seat (2) is fixedly connected with a pair of first hydraulic cylinders (3), the piston rod of each pair of first hydraulic cylinders (3) is fixedly connected with a second adjusting seat (4), the lower side of each second adjusting seat (4) is slidably connected with the first adjusting seat (2), the upper side of each second adjusting seat (4) is fixedly connected with a second hydraulic cylinder (5), the piston rod of each second hydraulic cylinder (5) is fixedly connected with a limiting sleeve (6), the lower side of each limiting sleeve (6) is slidably connected with the second adjusting seat (4), a test bin (7) is fixedly connected in the mounting groove of the support table (1), a sealing door (8) is arranged on the front side of the test bin (7), limiting blocks (9) are fixedly connected on the left and right sides of the sealing door (8), the limiting blocks (9) are located in the limiting sleeves (6), two limiting frames (10) which are symmetrically distributed left and right are fixedly connected on the inner side of the test bin (7), a sliding frame (11) is slidably connected between the two limiting frames (10), a supporting plate (12) is fixedly connected on the inner side of the sliding frame (11), a first air inlet pipe (13) is fixedly connected at the first air inlet of the test bin (7), a second air inlet pipe (14) is fixedly connected at the second air inlet of the test bin (7), an exhaust pipe (15) is fixedly connected at the exhaust port of the test bin (7), four supporting legs (16) are fixedly connected on the upper side of the test bin (7), a gas pump (17) is fixedly connected on the upper side of the supporting leg (16), an air exchange pipe (18) is fixedly connected on the upper side of the gas pump (17), a refrigeration assembly (19) is fixedly connected on the upper side of the left half of the support table (1), a cold air delivery pipe (20) is fixedly connected on the upper side of the refrigeration assembly (19), the right end of the cold air delivery pipe (20) is fixedly connected with the air exchange pipe (18), a heating assembly (21) is fixedly connected on the upper side of the right half of the support table (1), a hot air delivery pipe (22) is fixedly connected on the upper side of the heating assembly (21), the left end of the hot air delivery pipe (22) is fixedly connected with the air exchange pipe (18).

2. The cold thermal shock tester of claim 1, wherein: The upper side of the support table (1) is provided with a mounting groove, each first adjusting seat (2) is provided with two first sliding grooves in the left-right direction, the lower side of each second adjusting seat (4) is provided with two first sliding blocks, and each second adjusting seat (4) is provided with a second sliding groove in the front-rear direction, and the lower side of each limiting sleeve (6) is provided with a second sliding block.

3. The cold thermal shock tester of claim 1, wherein: The left side of the test bin (7) is provided with a first air inlet, the right side of the test bin (7) is provided with a second air inlet, the upper side of the test bin (7) is provided with an exhaust port, and the sealing door (8) is provided with a temperature measuring instrument and a pressure measuring instrument.

4. The cold thermal shock tester of claim 1, wherein: The front side of the limiting frame (10) is equipped with a first limiting protrusion, the upper side of the sliding frame (11) is equipped with a second limiting protrusion, the supporting plate (12) is equipped with evenly distributed air holes, and the first air inlet pipe (13), the second air inlet pipe (14) and the air outlet pipe (15) are all equipped with electric control switch valves.

5. The cold thermal shock tester of claim 1, wherein: The upper and lower sides of the gas pump (17) are both equipped with gas conveying pipes, the air exchange pipe (18) is a cross-shaped structure, the four openings of the air exchange pipe (18) are all equipped with electric control switch valves, and the cold gas conveying pipe (20) and the hot gas conveying pipe (22) are both "L"-shaped bent pipes.

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