CN210410767U

CN210410767U - Cold and hot impact testing machine

Info

Publication number: CN210410767U
Application number: CN201921050206.XU
Authority: CN
Inventors: 任海生
Original assignee: Wuxi Hls Environmental Equipment Co ltd
Current assignee: Wuxi Hls Environmental Equipment Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-28
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to a test equipment technical field just discloses a cold and hot impact testing machine, including the testing machine body, the positive one side fixed mounting of testing machine body has operating means, the inner wall fixed mounting of testing machine body has baffle and lower baffle, the equal fixed mounting in both sides at last baffle top has heating device, the equal fixed mounting in both sides at baffle top has refrigerating plant down, the top fixed mounting of baffle has the bracing piece of four mutual symmetries down. This cold and hot impact testing machine, through mutually supporting of cylinder and elevating platform, bracing piece to make the cylinder can drive the elevating platform and reciprocate, like this last top of baffle add after the heating test alright with directly remove the freezing region with the elevating platform, heating region and freezing region can both continuously keep under certain temperature environment like this, do not need repeatedly to heat up or lower the temperature to the cavity, and reduced experimental time, practiced thrift the cost, improved work efficiency.

Description

Cold and hot impact testing machine

Technical Field

The utility model relates to a test equipment technical field specifically is a cold and hot impact testing machine.

Background

The cold and hot impact testing machine is used for physical changes of industries such as electronic and electrical components, automatic components, communication components, automobile parts, metals, chemical materials, plastics and the like, national defense industry, aerospace, military industry, BGA, PCB base plates, electronic chip IC, semiconductor ceramics and high polymer materials, and can confirm the quality of products by debugging the physical changes or physical damages of the materials to repeated high and low temperature resisting force and the products generated by expansion with heat and contraction with cold.

The existing cold and hot impact testing machine carries out heating and freezing treatment in a chamber, and generally, the test needs to be carried out for dozens of hundreds of times of circulating operation, so that the test chamber needs to be heated and frozen for countless times, and each time, the test chamber is switched from extremely high temperature to extremely low temperature or from extremely low temperature to extremely high temperature, so that the energy consumption can be increased, the test cost is greatly improved, and certain time is needed for heating and cooling, so that the test time is undoubtedly prolonged, and a large amount of time can be wasted by repeating dozens of tests.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a cold and hot impact testing machine has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: a cold and hot impact testing machine comprises a testing machine body, wherein an operating device is fixedly mounted on one front side of the testing machine body, an upper partition plate and a lower partition plate are fixedly mounted on the inner wall of the testing machine body, a heating device is fixedly mounted on two sides of the top of the upper partition plate, a refrigerating device is fixedly mounted on two sides of the top of the lower partition plate, four mutually symmetrical support rods are fixedly mounted on the top of the lower partition plate, a linear bearing is movably sleeved on the outer portion of the four support rods, a lifting table is fixedly sleeved on the outer portion of the linear bearing, two mutually symmetrical clamping devices are fixedly mounted on the top of an inner cavity of the lifting table, a piston rod of an air cylinder is fixedly connected to the bottom of the air cylinder and the bottom of the inner cavity of the testing machine body, a sealing gasket is clamped on the front side of the testing machine body, two mutually symmetrical hinges are, the back of the hinge is fixedly connected with a door plate, and the front of the door plate is fixedly provided with a door lock.

Preferably, the clamping device comprises a fixed plate, two parallel connecting rods are fixedly mounted on the side surface of the fixed plate, two clamping plates are fixedly connected to one ends of the connecting rods, and clamping springs located between the fixed plate and the clamping plates are movably sleeved outside the two connecting rods.

Preferably, the shape of the clamping plate is vertical to horizontal, and strip-shaped grains which are uniformly distributed are arranged on one side of the clamping plate away from the fixing plate. 1

Preferably, the upper partition plate and the lower partition plate are made of heat-insulating materials, and the top of the upper partition plate is provided with a through groove with the same size as the area of the bottom of the lifting platform.

Preferably, the distance value from the top of the inner cavity of the testing machine body to the top of the upper partition plate is equal to the distance value from the bottom of the upper partition plate to the top of the lower partition plate, a heating area is formed between the top of the inner cavity of the testing machine body and the upper partition plate, and a freezing area is formed between the upper partition plate and the lower partition plate.

Preferably, the top and the bottom of the lifting platform are both made of heat-insulating materials.

The utility model discloses possess following beneficial effect:

1. this cold and hot impact testing machine, through mutually supporting of cylinder and elevating platform, bracing piece to make the cylinder can drive the elevating platform and reciprocate, like this last top of baffle add after the heating test alright with directly remove the freezing region with the elevating platform, heating region and freezing region can both continuously keep under certain temperature environment like this, do not need repeatedly to heat up or lower the temperature to the cavity, and reduced experimental time, practiced thrift the cost, improved work efficiency.

2. This cold and hot impact test machine through mutually supporting of clamping device and elevating platform, places the tray between two splint, is convenient for stabilize the centre gripping to the tray, can keep the stability of tray internal test spare when the elevating platform reciprocates like this.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a front view of the internal structure of the present invention;

fig. 4 is a schematic structural view of the clamping device of the present invention.

In the figure: 1. a testing machine body; 2. an operating device; 3. an upper partition plate; 4. a lower partition plate; 5. a heating device; 6. a freezing device; 7. a support bar; 8. a linear bearing; 9. a lifting platform; 10. a clamping device; 101. a fixing plate; 102. a connecting rod; 103. a splint; 104. a clamping spring; 11. a cylinder; 12. a gasket; 13. a hinge; 14. a door panel; 15. a door lock is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a cold and hot impact testing machine comprises a testing machine body 1, an operating device 2 is fixedly installed on one side of the front surface of the testing machine body 1, an upper partition plate 3 and a lower partition plate 4 are fixedly installed on the inner wall of the testing machine body 1, heating devices 5 are fixedly installed on both sides of the top of the upper partition plate 3, freezing devices 6 are fixedly installed on both sides of the top of the lower partition plate 4, four mutually symmetrical support rods 7 are fixedly installed on the top of the lower partition plate 4, linear bearings 8 are movably sleeved on the outer portions of the four support rods 7, a lifting table 9 is fixedly sleeved on the outer portion of the linear bearings 8, two mutually symmetrical clamping devices 10 are fixedly installed on the top of the inner cavity of the lifting table 9, a piston rod of an air cylinder 11 is fixedly connected to the bottom of the lifting table 9, the bottom of the air cylinder 11 is fixedly connected to, two hinges 13 which are symmetrical to each other are fixedly arranged on the other side of the front surface of the testing machine body 1, a door plate 14 is fixedly connected to the back surface of each hinge 13, and a door lock 15 is fixedly arranged on the front surface of the door plate 14.

The clamping device 10 comprises a fixing plate 101, two parallel connecting rods 102 are fixedly mounted on the side surface of the fixing plate 101, one ends of the two connecting rods 102 are fixedly connected with a clamping plate 103, and clamping springs 104 positioned between the fixing plate 101 and the clamping plate 103 are movably sleeved outside the two connecting rods 102;

wherein the clamping plate 103 is in a horizontal-vertical-horizontal shape, and the side, away from the fixing plate 101, of the clamping plate 103 is provided with uniformly distributed strip-shaped lines, so that the friction force in the vertical direction is increased, and the tray is convenient to fix;

wherein, the upper clapboard 3 and the lower clapboard 4 are made of heat insulation materials, and the top of the upper clapboard 3 is provided with a through groove with the same size as the bottom area of the lifting platform 9;

the distance value from the top of the inner cavity of the testing machine body 1 to the top of the upper partition plate 3 is equal to the distance value from the bottom of the upper partition plate 3 to the top of the lower partition plate 4, a heating area is formed between the top of the inner cavity of the testing machine body 1 and the upper partition plate 3, and a freezing area is formed between the upper partition plate 3 and the lower partition plate 4, so that the lifting table 9 can be freely switched between the two areas, the testing time is shortened, and the cost is reduced;

the top and the bottom of the lifting platform 9 are made of heat insulation materials, so that a freezing area and a heating area are conveniently isolated.

The theory of operation, place the test piece at first in the inside of tray, then inject the tray between two splint 103, carry out stable centre gripping through clamping spring 104 and splint 103 to the tray, then close door plant 14, begin to carry out heat treatment to the test piece, start cylinder 11 and drive elevating platform 9 downstream after the heating is accomplished, until the bottom of elevating platform 9 and the top contact of baffle 4 down, begin to carry out the refrigeration processing to the test piece this moment, and the heating zone is still in heat preservation state, be convenient for carry out next heat treatment to the test piece, just count and accomplish the test after the cold and hot impact dozens of times repeatedly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cold and hot impact testing machine, includes testing machine body (1), its characterized in that: the testing machine comprises a testing machine body (1), wherein an operating device (2) is fixedly mounted on one front side of the testing machine body (1), an upper partition plate (3) and a lower partition plate (4) are fixedly mounted on the inner wall of the testing machine body (1), a heating device (5) is fixedly mounted on two sides of the top of the upper partition plate (3), a refrigerating device (6) is fixedly mounted on two sides of the top of the lower partition plate (4), four mutually symmetrical support rods (7) are fixedly mounted on the top of the lower partition plate (4), linear bearings (8) are movably sleeved on the outer portions of the four support rods (7), a lifting table (9) is sleeved on the outer portions of the linear bearings (8), two mutually symmetrical clamping devices (10) are fixedly mounted on the top of an inner cavity of the lifting table (9), a piston rod of an air cylinder (11) is fixedly connected to the bottom of the lifting table (9), and the bottom of the air cylinder (11) is, the front joint of testing machine body (1) has sealed pad (12), testing machine body (1) positive opposite side fixed mounting has hinge (13) of two mutual symmetries, the back fixedly connected with door plant (14) of hinge (13), the front fixed mounting of door plant (14) has lock (15).

2. A thermal shock tester according to claim 1, wherein: clamping device (10) is including fixed plate (101), the side fixed mounting of fixed plate (101) has two connecting rods (102) that are parallel to each other, two the one end fixedly connected with splint (103) of connecting rod (102), and the outside of two connecting rods (102) is all movably cup jointed and is located clamping spring (104) between fixed plate (101) and splint (103).

3. A thermal shock tester according to claim 2, wherein: the clamping plate (103) is in a vertical horizontal shape, and strip-shaped lines which are uniformly distributed are arranged on one side, away from the fixing plate (101), of the clamping plate (103).

4. A thermal shock tester according to claim 1, wherein: the upper partition plate (3) and the lower partition plate (4) are made of heat-insulating materials, and the top of the upper partition plate (3) is provided with a through groove with the same size as the bottom area of the lifting platform (9).

5. A thermal shock tester according to claim 1, wherein: the distance value of testing machine body (1) inner chamber top to last baffle (3) top equals the distance value of last baffle (3) bottom to lower baffle (4) top, form the heating region between the top of testing machine body (1) inner chamber and last baffle (3), it has formed freezing region to go up between baffle (3) and lower baffle (4).

6. A thermal shock tester according to claim 1, wherein: the top and the bottom of the lifting platform (9) are both made of heat-insulating materials.