Two-box type thermal shock test box

Abstract

The utility model belongs to the technical field of test boxes, and particularly relates to a two-box type cold and hot impact test box. Comprising a high-temperature box and a low-temperature box which are respectively arranged in a test box up and down; a first pulley and a second pulley are symmetrically arranged on the upper portion of the left side wall and the lower portion of the right side wall of the basket box respectively, the first pulley and the second pulley are connected with the first sliding rail and the second sliding rail respectively in a sliding mode, and the first pulley and the second sliding rail are arranged on the high-temperature box and the low-temperature box respectively. The switching mechanism comprises an air cylinder, a chain, a chain gear and a fixing lug; a chain is arranged at the driving end of the air cylinder, the other end of the chain is sequentially wound and meshed with two chain gears and then connected with the fixing lugs, and the two chain gears are horizontally and rotationally installed in the test box at intervals. According to the utility model, the switching mechanism is designed to switch the position of the basket between the test areas of the high-temperature box and the low-temperature box, temperature conversion is not needed, and air duct structures are designed in the areas of the high-temperature box and the low-temperature box to form circulating air flow, so that the temperature between the areas is uniformly distributed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to test box technical field, especially related to a two -box -type cold -hot impact test box. BACKGROUND

[0002] Cold -hot impact test box is the testing equipment of metal, plastic, rubber, electronic material industry, is used for testing material structure or composite material in the instantaneous under the continuous environment of extremely high temperature and extremely low temperature, can detect the chemical change or physical damage caused by thermal expansion and cold contraction in the shortest time.

[0003] At present, the existing cold -hot impact test box is usually single -box -type structure, namely the cold source and heat source are integrated in a test cavity, but when carrying out cold -hot impact test, need to reduce the high temperature to low temperature, or the low temperature is heated to high temperature, the temperature conversion process consumes a lot of time and switching speed is slow, cannot reach temperature sudden change, the cold -hot impact effect and test efficiency of the product to be tested are influenced. UTILITY MODEL CONTENTS

[0004] The utility model discloses a two -box -type cold -hot impact test box, and position switching is carried out to the basket between the high -temperature box and the low -temperature box test area through the design switching mechanism, does not need temperature conversion, and the high -temperature box and the low -temperature box area are through the design air duct structure, form circulating air current, realize the even distribution of temperature between regions.

[0005] To solve the above -mentioned technical problem, the utility model provides a two -box -type cold -hot impact test box, including:

[0006] High -temperature box and low -temperature box are respectively arranged in the inside of test box in up and down;

[0007] Basket box, the left and right side wall of basket box is respectively symmetrical and is equipped with pulley one and pulley two, pulley one and pulley one are respectively connected with slide rail one and slide rail two and slide, pulley one and slide rail two are respectively arranged on high -temperature box and low -temperature box;

[0008] Switching mechanism, including air cylinder, chain, chain gear and fixed lug;The drive end of air cylinder is equipped with chain, and the other end of chain is sequentially connected and engaged with two chain gears and is connected with fixed lug, and two chain gears are respectively horizontally and interval rotatingly installed in test box;Through the action of switching mechanism, the position of basket box is switched between high -temperature box and low -temperature box.

[0009] Preferably, the high-temperature box comprises: hot air duct cavities, a hot air blower and a heater; the hot air duct cavities are symmetrically arranged on the left and right sides of the high-temperature box, and the hot air duct cavities are provided with the heater; the air outlet end of the hot air duct cavity is a hot air outlet mesh; the air inlet end of the hot air duct cavity is in communication with the air outlet end of the hot air blower; the air inlet end of the hot air blower is in communication with a hot air inlet mesh; and the hot air inlet mesh is arranged on the rear inner side wall of the high-temperature box.

[0010] Preferably, the low-temperature box comprises: cold air duct cavities, a cold air blower and a refrigerating device; the cold air duct cavities are arranged on the rear inner side of the low-temperature box, and the cold air duct cavities are provided with the refrigerating device; the air inlet end of the cold air duct cavity is a cold air inlet mesh and is in communication with the inside of the low-temperature box; the air outlet end of the cold air duct cavity is in communication with the air inlet end of the cold air blower; the air outlet end of the cold air blower is in communication with a cold air outlet mesh; and the cold air outlet mesh is arranged on the rear inner side wall of the low-temperature box.

[0011] Preferably, the basket box comprises: a bottom plate, a top plate and side plates; the side plates on the left and right sides are connected with the bottom plate and the top plate on the upper and lower sides, so as to form the basket box; the side plates on the left and right sides are mesh plate structures, and mounting strips are arranged on the left and right side walls of the basket box and used for locking a placing mesh plate for placing a product to be tested.

[0012] Preferably, sealing pads are arranged on the top of the bottom plate and the bottom of the top plate.

[0013] Preferably, the bottom of the high-temperature box is provided with a switching channel, which is used for providing a walking channel for the basket box.

[0014] Preferably, the top of the low-temperature box is an open structure, which is used for providing a walking channel for the basket box.

[0015] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0016] The utility model discloses a switching mechanism is designed to the basket position switching between the high-temperature box and the low-temperature box test area, need not temperature conversion, reach the advantage that the test efficiency is high, and the high-temperature box and the low-temperature box area are through the design air duct structure, form circulating air flow, realize the advantage that the temperature is evenly distributed between regions. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure diagram of the utility model discloses a two box formula cold and hot impact test box.

[0018] Figure 2 It is the internal view of the utility model discloses a two box formula cold and hot impact test box removes the door.

[0019] Figure 3 is a structure sectional view of a two-box type cold and hot impact test chamber of the utility model.

[0020] Figure 4 is the structure of the high temperature chamber in the utility model Figure 1 .

[0021] Figure 5 is the structure of the high temperature chamber in the utility model Figure 2 .

[0022] Figure 6 is the structure of the low temperature chamber in the utility model Figure 1 .

[0023] Figure 7 is the structure of the low temperature chamber in the utility model Figure 2 .

[0024] Figure 8 is the structure diagram of the basket box in the utility model.

[0025] In the drawing: 1-test chamber, 2-high temperature chamber, 21-hot air duct cavity, 22-hot air blower, 23-hot air outlet mesh grid, 24-hot air inlet mesh grid, 25-switching channel, 3-low temperature chamber, 31-cold air duct cavity, 32-cold air blower, 33-refrigerator, 34-cold air inlet mesh grid, 35-cold air outlet mesh grid, 4-basket box, 41-bottom plate, 42-top plate, 43-side plate, 44-mounting strip, 5-pulley one, 6-pulley two, 7-sliding rail one, 8-sliding rail two, 9-switching mechanism, 91-cylinder, 92-chain, 93-sprocket, 94-fixing lug. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in combination with the drawings and specific embodiments. According to the following description, the advantages and features of the utility model will be more clear. It should be noted that the drawings are all very simplified and all use non-precise scale, only for the purpose of conveniently and clearly assisting the explanation of the utility model embodiments.

[0027] As Figures 1-8 shown, the utility model embodiment provides a two-box type cold and hot impact test chamber, comprising:

[0028] High temperature chamber 2 and low temperature chamber 3 are respectively arranged in the inside of test chamber 1 in up and down directions; for providing high temperature and low temperature impact test area; test chamber 1 still includes the box door corresponding to high temperature chamber 2 and low temperature chamber 3 for opening and closing high temperature chamber 2 and low temperature chamber 3;

[0029] The basket box 4 is provided with symmetrical pulley one 5 and pulley two 6 on the left and right side walls respectively, the pulley one 5 and the pulley one 5 are respectively connected with the slide rail one 7 and the slide rail two 8, the pulley one 5 and the slide rail two 8 are respectively arranged on the high-temperature box 2 and the low-temperature box 3; when high-temperature impact is carried out, the basket box 4 is in the high-temperature box 2 area, at this time, the pulley one 5 is in the upper part of the slide rail one 7, the pulley two 6 is in the upper part of the slide rail two 8, and the bottom of the basket box 4 is sealed and heat-insulated with the bottom of the high-temperature box 2; and through the design of the pulley one 5, the pulley two 6, the slide rail one 7 and the slide rail two 8, the stable operation of the basket box 4 can be ensured.

[0030] The switching mechanism 9 includes a cylinder 91, a chain 92, a chain gear 93 and a fixed lug 94; the driving end of the cylinder 91 is provided with the chain 92, the other end of the chain 92 is sequentially connected with the fixed lug 94 after being meshed with the two chain gears 93, and the two chain gears 93 are respectively horizontally and intervally rotatably installed in the test box 1; through the action of the switching mechanism 9, the position of the basket box 4 is switched between the high-temperature box 2 and the low-temperature box 3. Through the control of the action of the cylinder 91, the chain 92 and the chain gear 93 are driven to drive the basket box 4 to move up or down to the high-temperature box 2 or the low-temperature box 3 area, so as to realize the purpose of quickly switching the position. Through the cooperation of the chain gear 93 and the chain 92, the movement process can be more stable.

[0031] The high-temperature box 2 includes: a hot air duct cavity 21, a hot air machine 22 and a heater; the hot air duct cavity 21 is respectively arranged on the left and right sides of the high-temperature box 2, and the hot air duct cavity 21 is provided with a heater; the outlet end of the hot air duct cavity 21 is a hot air outlet mesh 23, the inlet end of the hot air duct cavity 21 is connected with the outlet end of the hot air machine 22, the inlet end of the hot air machine 22 is connected with a hot air inlet mesh 24, and the hot air inlet mesh 24 is arranged on the rear side wall of the high-temperature box 2. When the hot air machine 22 works, the high-temperature airflow in the hot air duct cavity 21 flows to the inside of the high-temperature box 2 through the hot air outlet mesh 23, and then circulates to the hot air duct cavity 21 through the hot air inlet mesh 24, so as to form a circulating airflow, which can accelerate the uniform distribution of the temperature in the high-temperature box 2 area. Moreover, through the symmetrical arrangement of the hot air outlet mesh 23 on the left and right sides and the hot air inlet mesh 24 on the rear side, the area of the high-temperature airflow distribution can be expanded, and the effect of uniform temperature distribution can be further ensured.

[0032] The low-temperature box 3 comprises a cold air duct cavity 31, a cold air fan 32 and a refrigerating device 33; the cold air duct cavity 31 is arranged at the inner back side of the low-temperature box 3, and the cold air duct cavity 31 is provided with the refrigerating device 33; the air inlet end of the cold air duct cavity 31 is a cold air inlet mesh 34 and is connected with the inside of the low-temperature box 3; the air outlet end of the cold air duct cavity 31 is connected with the air inlet end of the cold air fan 32; the air outlet end of the cold air fan 32 is connected with a cold air outlet mesh 35; and the cold air outlet mesh 35 is arranged on the inner back wall of the low-temperature box 3. When the cold air fan 32 works, the low-temperature airflow in the cold air duct cavity 31 flows to the inside of the low-temperature box 3 through the cold air inlet mesh 34 and returns to the inside of the low-temperature box 3 through the cold air outlet mesh 35, forming a circulating airflow, which can accelerate the uniform distribution of the temperature in the low-temperature box 3. Moreover, the cold air outlet mesh 35 arranged at the back side and the cold air inlet mesh 34 arranged at the bottom can expand the area of the low-temperature airflow distribution, further ensuring the effect of uniform temperature distribution.

[0033] The basket box 4 comprises a bottom plate 41, a top plate 42 and side plates 43; the left and right side plates 43 are connected with the upper and lower bottom plates 41 and top plates 42 respectively to form the basket box 4; the left and right side plates 43 are mesh plate structures, and the left and right side walls of the basket box 4 are provided with mounting strips 44 for locking the placing mesh plate on which the products to be measured are placed.

[0034] The basket box 4 further comprises sealing pads which are respectively arranged on the top of the bottom plate 41 and the bottom of the top plate 42; the sealing pads are rectangular heat insulation sealing strips for heat insulation sealing.

[0035] The high-temperature box 2 is provided with a switching channel 25 at the bottom for providing a walking channel for the basket box 4; and the sealing pads arranged on the bottom plate 41 and the top plate 42 achieve the heat insulation sealing effect with the switching channel 25.

[0036] The top of the low-temperature box 3 is an open structure for providing a walking channel for the basket box 4.

[0037] The above description is only a description of the preferred embodiments of the present application and does not limit the scope of the present application in any way; any modification or change made by a person skilled in the art according to the above description is within the protection scope of the claims.

Claims

1. A two-chamber cold thermal shock test chamber, characterized by, It includes: High temperature box (2) and low temperature box (3), respectively, arranged in the inside of test box (1) in up and down; Basket box (4), the left and right side wall of the basket box (4) is respectively provided with pulley one (5) and pulley two (6) in up and down, the pulley one (5) and the pulley one (5) are respectively connected with slide rail one (7) and slide rail two (8) sliding, the pulley one (5) and the slide rail two (8) are respectively arranged on the high temperature box (2) and the low temperature box (3); Switching mechanism (9), including cylinder (91), chain (92), chain gear (93) and fixed lug (94);The drive end of the cylinder (91) is provided with the chain (92), the other end of the chain (92) is sequentially engaged with two chain gears (93) and connected with the fixed lug (94), two chain gears (93) are respectively horizontally spaced apart and rotatably installed in the test box (1);Through the action of the switching mechanism (9), the basket box (4) is switched between the high temperature box (2) and the low temperature box (3).

2. The two-chamber cold thermal shock test chamber of claim 1, wherein, The high temperature box (2) includes: hot air duct cavity (21), hot air blower (22) and heater;The hot air duct cavity (21) is respectively arranged in the inside of the high temperature box (2) left and right two sides, and the hot air duct cavity (21) is provided with the heater, the air outlet end of the hot air duct cavity (21) is hot air outlet mesh (23), the air inlet end of the hot air duct cavity (21) is communicated with the air outlet end of the hot air blower (22), the air inlet end of the hot air blower (22) is communicated with the hot air inlet mesh (24), and the hot air inlet mesh (24) is arranged on the inside rear side wall of the high temperature box (2).

3. The two-chamber cold thermal shock test chamber of claim 1, wherein, The low temperature box (3) includes: cold air duct cavity (31), cold air blower (32) and refrigerator (33);The cold air duct cavity (31) is arranged on the inside rear side of the low temperature box (3), and the cold air duct cavity (31) is provided with the refrigerator (33), the air inlet end of the cold air duct cavity (31) is cold air inlet mesh (34) and is communicated with the inside of the low temperature box (3), the air outlet end of the cold air duct cavity (31) is communicated with the air inlet end of the cold air blower (32), the air outlet end of the cold air blower (32) is communicated with the cold air outlet mesh (35), and the cold air outlet mesh (35) is arranged on the inside rear side wall of the low temperature box (3).

4. The thermal shock test chamber of claim 1 wherein, The basket box (4) includes: bottom plate (41), top plate (42) and side plate (43);The left and right side plates (43) are respectively connected with the bottom plate (41) and the top plate (42) on the top and bottom to form the basket box (4);The left and right side plates (43) are mesh plate structure, and the left and right side walls of the basket box (4) are provided with mounting strip (44) for locking the placing mesh plate of the product to be tested.

5. A two chamber cold heat shock test chamber as claimed in claim 4, wherein, It also includes a sealing gasket, which is respectively mounted on the top of the bottom plate (41) and the bottom of the top plate (42).

6. A two chamber cold heat shock test chamber as claimed in claim 1, wherein, The high-temperature box (2) is provided with a switching channel (25) in the bottom, which is used for providing a walking channel for the basket box (4).

7. A two chamber cold heat shock test chamber as claimed in claim 1, wherein, The low-temperature box (3) is provided with an open structure in the top, which is used for providing a walking channel for the basket box (4).

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