Cold and hot impact testing machine

Abstract

The utility model relates to the technical field of cold and hot impact testing machines, and discloses a cold and hot impact testing machine, which comprises a testing box and supporting blocks fixedly arranged at four corners of the bottom of the testing box, a transparent observation window is fixedly arranged at the lower part of the front side of the testing box in a penetrating manner, and a mounting groove is arranged at the lower part of one side of the testing box; through mutual cooperation of the circular seat, the threaded rod A, the threaded rod B, the worm gear, the worm, the knob, the threaded sleeve and the positioning plate, a to-be-tested material can be clamped and positioned, the situation that the to-be-tested material deviates when blown by cold and hot air, and consequently the detection result is affected is avoided, and the use effect of the to-be-tested material is improved; through mutual cooperation of the sealing plate, the L-shaped rod, the sliding plate, the sliding shaft and the fixed rod, the sealing plate can be driven to move upwards to open the opening when the movable table moves outwards, a worker can conveniently take and place a to-be-tested material, operation is convenient and fast, opening by the worker is not needed, and the use effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of hot and cold shock testing machines, in particular to a hot and cold shock testing machine. Background Art

[0002] Thermal shock testing machine is an essential testing equipment for metal, plastic, rubber, electronic and other material industries. It is used to test the material structure or composite material to see how well it can withstand continuous extremely high and low temperatures in an instant, and to detect chemical changes or physical damage caused by thermal expansion and contraction of the sample in the shortest possible time.

[0003] For example, a three-compartment hot and cold shock box with publication number CN202122980211.4 includes a box body, a horizontal plate is fixedly connected between the left and right inner walls of the box body, a vertical plate is fixedly connected to the upper surface of the horizontal plate, a high temperature zone, a low temperature zone and a test zone are opened inside the box body, a heating device is arranged inside the high temperature zone, a heating pipe passing through the horizontal plate is arranged at the bottom of the heating device, a refrigeration device is arranged inside the low temperature zone, a refrigeration pipe passing through the horizontal plate is arranged at the bottom of the refrigeration device, and an exhaust device is arranged on the left and right outer walls of the box body respectively. This three-compartment hot and cold shock box can not only save the tedious operation of transferring the material position during the hot and cold shock test of the material, but also speed up the heating and cooling speed of the test area, thereby saving time and improving the test efficiency. At the same time, it can make the material evenly receive the hot and cold shock, thereby improving the accuracy of the test results.

[0004] The three-compartment hot and cold shock box proposed in the above patent can achieve hot and cold shock to the test material when in use, but lacks positioning of the test material. Due to the impact force of the hot and cold air, the test material will be displaced, which will easily cause errors in the test results and reduce the test effect.

[0005] So we proposed a thermal shock testing machine to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a thermal shock testing machine to solve the problems raised by the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hot and cold shock testing machine, comprising a testing box and supporting blocks fixedly installed at the four corners of the bottom of the testing box, a transparent observation window fixedly installed at the lower part of the front side of the testing box, and a mounting groove is provided at the lower part of one side of the testing box, a moving component is installed in the inner cavity of the mounting groove, a partition is fixedly installed in the middle of the inner cavity of the testing box, a moving platform is slidably installed in the middle of the bottom of the inner cavity of the testing box, and a groove is provided in the middle of the top of the moving platform, a driving motor is fixedly installed at the bottom of the inner cavity of the groove, and a fixed component is installed above the top of the moving platform. A component is provided at the bottom of the other side of the test box, and an opening and closing component is installed at the bottom of the other side of the test box, a heating device and a cooling device are fixedly installed on both sides of the top of the inner cavity of the test box, a heating pipe and a cooling pipe are fixedly installed on the bottom of the heating device and the cooling device, and the lower ends of the heating pipe and the cooling pipe are fixedly extended to the bottom of the partition, a suction piece A and a suction piece B are fixedly installed on both sides of the upper rear side of the test box, and suction pipes are fixedly installed at the input ends of the suction piece A and the suction piece B, and the lower ends of the suction pipes are fixedly extended to the bottom of the partition.

[0008] Preferably, the moving component includes a servo motor fixedly installed in the inner cavity of the installation groove and a driving gear fixedly installed at the output end of the servo motor, the bottom of the driving gear is meshed with a driven gear, and a threaded tube is fixedly installed through the middle part of the driven gear, one end of the threaded tube is movably extended through the inner cavity of the test box, the inner cavity of the threaded tube is threadedly installed with a screw with one end extending to the outside, and the outer end of the screw is fixedly installed on the moving platform.

[0009] Preferably, the positioning assembly includes a circular seat arranged above the top of the movable platform and a slot opened in the middle of the top of the circular seat, and the bottom of the circular seat is fixedly connected to the output end of the driving motor, and threaded rod A and threaded rod B are movably installed on both sides of the slotted inner cavity, and a movable rod is fixedly installed between threaded rod A and threaded rod B, a worm gear is fixedly sleeved on the output shaft of the movable rod, a worm is meshed with the bottom of the worm gear, the rear end of the worm gear movably extends through the outside of the circular seat, and a knob is fixedly installed on the rear end of the worm gear, threaded sleeves are threadedly installed on the output shafts of the threaded rod A and the threaded rod B, the rear sides of the threaded sleeves are slidably installed on the rear wall of the slotted inner cavity, vertical rods are fixedly installed on the top of the threaded sleeves, and positioning plates are fixedly installed on the upper ends of the vertical rods.

[0010] Preferably, the opening and closing assembly includes a sealing plate slidably installed at the bottom of the other side of the test box and an L-shaped rod fixedly installed on the rear side of the sealing plate, a sliding plate is provided at one end of the L-shaped rod away from the sealing plate, and the upper front side of the sliding plate is slidably installed on the test box, an inclined groove is provided on the sliding plate, a sliding shaft is slidably installed in the inner cavity of the inclined groove, the rear end of the sliding shaft is fixedly installed on the L-shaped rod, a fixed rod is fixedly installed on one side below the front side of the sliding shaft, and the front end of the fixed rod is fixedly installed on the moving platform.

[0011] Preferably, a sliding opening is provided at the lower portion of the rear side of the test box, and the output shaft of the fixing rod is slidably penetrated and installed on the sliding opening.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Through the mutual cooperation among the circular seat, threaded rod A, threaded rod B, worm wheel, worm, knob, threaded sleeve and positioning plate, the material to be tested can be clamped and positioned to avoid displacement when it is blown by cold or hot wind, thereby affecting the test results and improving the effect of its use.

[0014] 2. Through the mutual cooperation among the sealing plate, L-shaped rod, sliding plate, sliding shaft and fixed rod, the sealing plate can be driven to move upward to open the opening when the movable platform moves outward, so as to facilitate the staff to take and place the test materials. The operation is convenient, the staff does not need to open it, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall stereogram of the utility model;

[0016] Figure 2 It is a partial right side sectional stereoscopic view of the utility model;

[0017] Figure 3 It is a partial cross-sectional expanded stereoscopic view of the utility model;

[0018] Figure 4 It is a partial rear side sectional stereoscopic view of the utility model;

[0019] Figure 5 It is a partial rear side section unfolded stereoscopic view of the utility model;

[0020] Figure 6 It is a rear side cross-sectional structural stereogram of the utility model;

[0021] Figure 7 It is a partial bottom-up structural stereogram of the utility model;

[0022] Figure 8 It is a three-dimensional diagram of the local structure of the positioning plate of the utility model;

[0023] Fig. 9 It is a partially unfolded three-dimensional diagram of the mobile station of the utility model;

[0024] Fig.10 For the utility model Figure 3 Enlarged view of point A in the middle.

[0025] In the figure: 1. test box; 11. sliding port; 2. support block; 3. transparent observation window; 4. moving assembly; 41. servo motor; 42. driving gear; 43. driven gear; 44. threaded tube; 45. screw; 5. partition; 6. moving table; 7. drive motor; 8. positioning assembly; 81. circular seat; 82. threaded rod A; 83. threaded rod B; 84. worm gear; 85. worm; 86. knob; 87. threaded sleeve; 88. positioning plate; 9. opening and closing assembly; 91. sealing plate; 92. L-shaped rod; 93. sliding plate; 94. sliding shaft; 95. fixing rod; 10. heating device; 20. cooling device; 30. suction piece A; 40. suction piece B. DETAILED DESCRIPTION

[0026] 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.

[0027] Example 1: Please refer to Figure 1-10A hot and cold shock tester comprises a test box 1 and support blocks 2 fixedly installed at the four corners of the bottom of the test box 1, a transparent observation window 3 is fixedly installed through the lower part of the front side of the test box 1, and a mounting groove is opened at the lower part of one side of the test box 1, and a moving component 4 is installed in the inner cavity of the mounting groove, a partition 5 is fixedly installed in the middle of the inner cavity of the test box 1, a moving platform 6 is slidably installed in the middle of the bottom of the inner cavity of the test box 1, and a groove is opened in the middle of the top of the moving platform 6, a driving motor 7 is fixedly installed at the bottom of the inner cavity of the groove, a positioning component 8 is installed above the top of the moving platform 6, an opening is opened at the lower part of the other side of the test box 1, and an opening and closing component 9 is installed at the lower part of the other side of the test box 1, and the inner cavity of the test box 1 is fixedly installed. A heating device 10 and a cooling device 20 are fixedly installed on both sides of the part, and a heating pipe and a cooling pipe are fixedly installed on the bottom of the heating device 10 and the cooling device 20, and the lower ends of the heating pipe and the cooling pipe are fixedly extended to the bottom of the partition 5, respectively. A suction piece A30 and a suction piece B40 are fixedly installed on both sides of the upper rear side of the test box 1, and suction pipes are fixedly installed at the input ends of the suction piece A30 and the suction piece B40, and the lower ends of the suction pipes are fixedly extended to the bottom of the partition 5 in turn. The movable component 4 can drive the movable platform 6 to move left and right. The positioning component 8 is conducive to the clamping and positioning of the material to be tested, and the opening and closing component 9 is conducive to opening and closing the opening.

[0028] The moving assembly 4 includes a servo motor 41 fixedly installed in the inner cavity of the installation groove and a driving gear 42 fixedly installed at the output end of the servo motor 41. A driven gear 43 is meshed at the bottom of the driving gear 42, and a threaded tube 44 is fixedly installed through the middle of the driven gear 43. One end of the threaded tube 44 movably extends through the inner cavity of the test box 1. A screw 45 with one end extending to the outside is threadedly installed in the inner cavity of the threaded tube 44. The outer end of the screw 45 is fixedly installed on the moving platform 6, which can drive the moving platform 6 to move left and right.

[0029] The positioning assembly 8 includes a circular seat 81 arranged above the top of the movable platform 6 and a slot opened in the middle of the top of the circular seat 81, and the bottom of the circular seat 81 is fixedly connected to the output end of the driving motor 7, and threaded rods A82 and threaded rods B83 are movably installed on both sides of the slotted inner cavity, and a movable rod is fixedly installed between the threaded rods A82 and B83. A worm wheel 84 is fixedly sleeved on the output shaft of the movable rod, and a worm 85 is meshed at the bottom of the worm wheel 84. The rear end of the worm 85 movably extends through the outside of the circular seat 81, and a knob 86 is fixedly installed on the rear end of the worm 85. Threaded sleeves 87 are respectively threadedly installed on the output shafts of the threaded rods A82 and B83, and the rear sides of the threaded sleeves 87 are respectively slidably installed on the rear wall of the slotted inner cavity, and vertical rods are respectively fixedly installed on the top of the threaded sleeves 87, and positioning plates 88 are respectively fixedly installed on the upper ends of the vertical rods, which play a role in clamping and positioning the materials to be tested.

[0030] In this embodiment: when in use, the operation of the servo motor 41 drives the driving gear 42 to rotate, and when the driving gear 42 rotates, the threaded tube 44 is driven to rotate through the driven gear 43, and when the threaded tube 44 rotates, the movable platform 6 is driven to move to the side close to the opening through the screw 45. When the material to be tested is moved to the opening, the material can be placed on the circular seat 81. After the placement is completed, the knob 86 can be turned, and when the knob 86 is rotated, the worm 85 is driven to rotate, and when the worm 85 is rotated, the movable rod is driven to rotate through the worm wheel 84, and when the movable rod rotates, the threaded rod A82 and the threaded rod B83 are driven to rotate, and when the threaded rod A82 and the threaded rod B83 are rotated, the adjacent threaded sleeves 87 are driven to move relative to each other, and when the threaded sleeves 87 move relative to each other, It will drive the positioning plate 88 to move relative to each other, so as to clamp and fix the test material. After the fixation is completed, the knob 86 can be stopped, and then the heating device 10 can be operated. The hot air generated by the operation of the heating device 10 will perform thermal shock on the material through the heating pipe. During the shock, the operation of the driving motor 7 will drive the material to rotate so that it is heated evenly. After the shock is completed, the suction piece A30 is started, and the hot air is extracted through the cooperation of the suction piece A30 and the suction pipe. Then the refrigeration device 20 is operated, and the cold air generated by the operation of the refrigeration device 20 will perform cold shock on the material through the refrigeration pipe. After the shock is completed, the suction piece B40 is started, and the cold air is extracted through the cooperation of the suction piece B40 and the suction pipe, so as to complete the hot and cold shock test on the material.

[0031] Embodiment 2: This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 1-7 The opening and closing assembly 9 includes a sealing plate 91 slidably mounted at the lower part of the other side of the test box 1 and an L-shaped rod 92 fixedly mounted on the rear side of the sealing plate 91. A sliding plate 93 is provided at one end of the L-shaped rod 92 away from the sealing plate 91, and the upper part of the front side of the sliding plate 93 is slidably mounted on the test box 1. An inclined groove is provided on the sliding plate 93, and a sliding shaft 94 is slidably installed in the inner cavity of the inclined groove. The rear end of the sliding shaft 94 is fixedly mounted on the L-shaped rod 92, and a fixing rod 95 is fixedly mounted on one side below the front side of the sliding shaft 94, and the front end of the fixing rod 95 is fixedly mounted on the moving platform 6, so that the sealing plate 91 can be opened and closed when the moving platform 6 moves.

[0032] A sliding opening 11 is provided at the lower portion of the rear side of the test box 1 , and the output shaft of the fixing rod 95 is slidably installed through the sliding opening 11 , which facilitates the left and right sliding of the fixing rod 95 .

[0033] In this embodiment: when the movable platform 6 moves toward the opening, it will drive the sliding plate 93 to move through the fixed rod 95, and when the sliding plate 93 moves, it will drive the sliding shaft 94 to move upward through the inclined groove, and when the sliding shaft 94 moves upward, it will drive the sealing plate 91 to move upward through the L-shaped rod 92, so that the opening can be opened, which is convenient for the staff to take and place the test materials, and when the movable platform 6 moves in the opposite direction, the sealing plate 91 can be moved downward to return to its original position.

[0034] Working principle: When in use, the operation of the servo motor 41 will drive the driving gear 42 to rotate, and when the driving gear 42 rotates, the threaded tube 44 will be driven to rotate through the driven gear 43, and when the threaded tube 44 rotates, the movable platform 6 will be driven to move to the side close to the opening through the screw 45, and when the movable platform 6 moves toward the opening, it will also drive the sliding plate 93 to move through the fixed rod 95, and when the sliding plate 93 moves, it will drive the sliding shaft 94 to move upward through the inclined groove, and when the sliding shaft 94 moves upward, it will drive the sealing plate 91 to move upward through the L-shaped rod 92, so that the opening can be opened, which is convenient for the staff to take and place the test material, and when the movable platform 6 moves in the opposite direction, the sealing plate 91 can be moved downward to return to its original position, and when it moves to the opening, the material to be tested can be placed on the circular seat 81, and after the placement is completed, the knob 86 can be turned, and when the knob 86 is turned, the worm 85 will be driven to rotate, and when the worm 85 is rotated, it will drive the movable rod to rotate through the worm wheel 84, and When the movable rod rotates, the threaded rod A82 and the threaded rod B83 will be driven to rotate. When the threaded rod A82 and the threaded rod B83 rotate, the adjacent threaded sleeves 87 will be driven to move relative to each other. When the threaded sleeves 87 move relative to each other, the positioning plate 88 will be driven to move relative to each other, so as to clamp and fix the test material. After the fixation is completed, the knob 86 can be stopped from being rotated, and then the heating device 10 can be operated. The hot air generated by the operation of the heating device 10 will perform thermal shock on the material through the heating pipe. During the shock, the material will be driven to rotate through the operation of the driving motor 7, so that it is heated evenly. After the shock is completed, the suction piece A30 is started, and the hot air is extracted through the cooperation of the suction piece A30 and the suction pipe. Then the refrigeration device 20 is operated, and the cold air generated by the operation of the refrigeration device 20 will perform cold shock on the material through the refrigeration pipe. After the shock is completed, the suction piece B40 is started, and the cold air is extracted through the cooperation of the suction piece B40 and the suction pipe, so as to complete the cold and hot shock test on the material.

[0035] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A thermal shock tester, comprising a test box (1) and support blocks (2) fixedly mounted at four corners of the bottom of the test box (1). Features: A transparent observation window (3) is fixedly installed through the lower part of the front side of the test box (1), and a mounting groove is opened at the lower part of one side of the test box (1), and a moving component (4) is installed in the inner cavity of the mounting groove. A partition (5) is fixedly installed in the middle of the inner cavity of the test box (1), and a moving platform (6) is slidably installed in the middle of the bottom of the inner cavity of the test box (1), and a groove is opened in the middle of the top of the moving platform (6), and a driving motor (7) is fixedly installed at the bottom of the inner cavity of the groove. A positioning component (8) is installed above the top of the moving platform (6), and an opening is opened at the lower part of the other side of the test box (1), and the lower part of the other side of the test box (1) is An opening and closing assembly (9) is installed. A heating device (10) and a cooling device (20) are fixedly installed on both sides of the top of the inner cavity of the test box (1). A heating pipe and a cooling pipe are fixedly installed on the bottom of the heating device (10) and the cooling device (20). The lower ends of the heating pipe and the cooling pipe are fixedly installed and extend to the bottom of the partition (5). A suction piece A (30) and a suction piece B (40) are fixedly installed on both sides of the upper rear side of the test box (1). The input ends of the suction piece A (30) and the suction piece B (40) are fixedly installed with suction pipes. The lower ends of the suction pipes are fixedly installed and extend to the bottom of the partition (5).

2. A thermal shock testing machine according to claim 1, Features: The moving assembly (4) comprises a servo motor (41) fixedly mounted in the inner cavity of the mounting groove and a driving gear (42) fixedly mounted at the output end of the servo motor (41); a driven gear (43) is meshed at the bottom of the driving gear (42); a threaded tube (44) is fixedly installed through the middle of the driven gear (43); one end of the threaded tube (44) is movably installed through the inner cavity of the test box (1); a screw rod (45) having one end extending to the outside is threadedly installed in the inner cavity of the threaded tube (44); and the outer end of the screw rod (45) is fixedly installed on the moving platform (6).

3. A thermal shock testing machine according to claim 1, Features: The positioning assembly (8) comprises a circular seat (81) arranged above the top of the moving platform (6) and a slot opened in the middle of the top of the circular seat (81), and the bottom of the circular seat (81) is fixedly connected to the output end of the driving motor (7), and a threaded rod A (82) and a threaded rod B (83) are movably installed on both sides of the inner cavity of the slot, and a movable rod is fixedly installed between the threaded rod A (82) and the threaded rod B (83), and a worm gear (84) is fixedly sleeved on the output shaft of the movable rod, and the worm gear (84) is fixedly sleeved on the output shaft of the movable rod. 4) is meshed with a worm (85), the rear end of the worm (85) movably extends through the outside of the circular seat (81), and the rear end of the worm (85) is fixedly mounted with a knob (86), the output shafts of the threaded rod A (82) and the threaded rod B (83) are respectively threadedly mounted with threaded sleeves (87), the rear sides of the threaded sleeves (87) are respectively slidably mounted on the rear wall of the slotted inner cavity, the tops of the threaded sleeves (87) are respectively fixedly mounted with vertical rods, and the upper ends of the vertical rods are respectively fixedly mounted with positioning plates (88).

4. A thermal shock testing machine according to claim 1, Features: The opening and closing assembly (9) comprises a sealing plate (91) slidably mounted at the lower part of the other side of the test box (1) and an L-shaped rod (92) fixedly mounted on the rear side of the sealing plate (91); a sliding plate (93) is provided at one end of the L-shaped rod (92) away from the sealing plate (91), and the upper part of the front side of the sliding plate (93) is slidably mounted on the test box (1); an inclined groove is provided on the sliding plate (93), and a sliding shaft (94) is slidably installed in the inner cavity of the inclined groove; the rear end of the sliding shaft (94) is fixedly mounted on the L-shaped rod (92), a fixed rod (95) is fixedly mounted on one side below the front side of the sliding shaft (94), and the front end of the fixed rod (95) is fixedly mounted on the moving platform (6).

5. A thermal shock testing machine according to claim 4, Features: A sliding opening (11) is provided at the lower portion of the rear side of the test box (1), and the output shaft of the fixing rod (95) is slidably penetrated and installed on the sliding opening (11).

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