Bending strength testing device for plastic clothes hanger

Abstract

The utility model relates to the technical field of plastic clothes hanger processing and testing, and discloses a plastic clothes hanger bending strength testing device which comprises a shell, an air cylinder is fixedly installed in the middle of the top end of the shell, a telescopic rod of the air cylinder is fixedly connected with a tension and compression sensor, and the bottom end of the tension and compression sensor is fixedly connected with a tension and compression head. A hanging hole is formed in the bottom of the pulling and pressing head, two bearing platforms are arranged in the shell, and a positioning hook is fixedly arranged at the top of one side of each bearing platform; the two sides of the plastic clothes hanger can be supported through the bearing platform, pressure is applied to the plastic clothes hanger in cooperation with the pulling and pressing head, the bending performance of the plastic clothes hanger beam can be tested, hooks on the two sides of the bottom end of the plastic clothes hanger can be limited through the positioning hook on one side of the bearing platform, and hooks on the top end of the plastic clothes hanger can be limited through the hanging hole of the pulling and pressing head. The composite stress state that the clothes hanger bears the upper hanging force and the lower clothes pulling force at the same time in actual use can be simulated conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic clothes hanger processing test technical field, concretely is plastic clothes hanger bending strength testing device. BACKGROUND

[0002] Plastic clothes hanger is a kind of clothes hanger made of plastic material, usually adopts PP (polypropylene), PS (polystyrene), ABS (acrylonitrile-butadiene-styrene), PC (polycarbonate), PVC (polyvinyl chloride), PE (polyethylene) and other plastic raw materials, and plastic clothes hanger is suitable for daily clothes such as T-shirt, shirt etc., and is widely used due to its light and economical characteristics.

[0003] As daily necessities, the mechanical properties of plastic clothes hanger directly affect the service life and safety, and the test equipment for plastic clothes hanger on the market currently adopts single-point force applying mode, which can only test the bending performance of clothes hanger beam, and cannot simulate the combined stress state of simultaneously bearing upper suspension force and lower clothes pulling force in actual use, so the test method is relatively single. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides plastic clothes hanger bending strength testing device, has the advantages that the combined stress state in actual use can be simulated, and the problems in the above background art are solved.

[0005] The utility model provides the following technical scheme: plastic clothes hanger bending strength testing device, including the casing, the middle part fixed mounting of casing top is equipped with the pneumatic cylinder, the telescopic rod of pneumatic cylinder is fixedly connected with the tension and pressure sensor, the bottom fixed connection of tension and pressure sensor is equipped with the tension and pressure head, the bottom of tension and pressure head is equipped with the hanging hole, the inside of casing is equipped with two bearing platform, the top fixed position hook of bearing platform one side, the inside rotation of casing is equipped with the double head screw, the both sides of double head screw are equipped with the support component that supports bearing platform, the bottom fixed mounting of casing one side is equipped with the motor, the front surface of casing is equipped with the protection component.

[0006] As a preferred technical scheme of the utility model, the top of tension and pressure sensor is fixedly equipped with support plate through screw, the middle part of support plate top is fixedly connected with the telescopic rod of pneumatic cylinder, the telescopic rod of pneumatic cylinder is insertedly connected with the top of casing, the bottom of tension and pressure sensor is fixedly equipped with mounting plate through screw, and the bottom of mounting plate is fixedly connected with the top of tension and pressure head through screw.

[0007] As a preferred technical scheme of the utility model, the support component includes support, the middle part of support is fixedly equipped with screw nut, the screw nut is threadedly connected with double head screw, the top of support is fixedly equipped with vertical plate on both sides, and the top of vertical plate is fixedly connected with the bottom of bearing platform.

[0008] As a preferred technical scheme of the utility model, the inside of the shell is fixedly provided with a partition plate, two plate grooves are formed in the two sides of the partition plate, and the vertical plate is slidably connected with the inside of the plate groove.

[0009] As a preferred technical scheme of the utility model, the inside of the shell is fixedly provided with a partition plate, two plate grooves are formed in the two sides of the partition plate, and the vertical plate is slidably connected with the inside of the plate groove.

[0010] As a preferred technical scheme of the utility model, the top end of the bearing platform is provided with a placing opening, and a baffle is fixedly arranged on one side of the placing opening.

[0011] As a preferred technical scheme of the utility model, the protection assembly comprises a protection door, one side of the protection door is hingedly connected with one side of the front face of the shell, the other side of the protection door is fixedly provided with a clamping block, the other side of the front face of the shell is provided with a clamping groove matched with the clamping block, one side of the front face of the protection door is fixedly provided with a handle, and an explosion-proof glass window is fixedly arranged on the surface of the protection door.

[0012] As a preferred technical scheme of the utility model, the two ends of the double-end screw rod are rotatably connected with the inner walls of the two bottom sides of the shell through bearings respectively, and the output shaft of the motor is fixedly connected with one end of the double-end screw rod.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The two sides of the plastic clothes hanger can be supported by the bearing platform, the plastic clothes hanger is pressed by the pulling and pressing head, the bending performance of the plastic clothes hanger beam can be tested, the hooks on the two sides of the bottom end of the plastic clothes hanger are limited by the positioning hooks on one side of the bearing platform, the hooks on the top end of the plastic clothes hanger are limited by the hanging holes of the pulling and pressing head, the compound stress state that the clothes hanger simultaneously bears the upper suspension force and the lower clothes pulling force in actual use can be simulated, the test function is increased, the pulling force and the pressure borne by the plastic clothes hanger can be monitored by the pulling and pressing sensor during the test process, and thus the bending strength of the plastic clothes hanger can be obtained.

[0015] 2. The pulling and pressing head is driven to ascend and descend by the air cylinder, a driving element does not need to be additionally arranged, the pulling and pressing bending test of the plastic clothes hanger can be realized, the distance between the two bearing platforms can be automatically adjusted by the motor driving the double-end screw rod, the utility model is suitable for plastic clothes hangers with different lengths, and the utility model is good in flexibility, the protection assembly can play a protection role, and human body injury caused by the plastic clothes hanger bouncing out can be prevented. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 is a structural schematic view of the inside of the shell of the utility model;

[0018] Fig. 3 is a structural schematic view of the pull and pressure head of the utility model;

[0019] Fig. 4 is a structural schematic view of the pull and pressure sensor of the utility model;

[0020] Fig. 5 is a structural schematic view of the bearing platform of the utility model;

[0021] Fig. 6 is a structural schematic view of the support assembly of the utility model.

[0022] In the figure: 1, shell; 2, air cylinder; 3, pull and pressure sensor; 4, pull and pressure head; 5, hanging hole; 6, mounting plate; 7, support plate; 8, support assembly; 801, support; 802, screw nut; 803, sliding block; 804, vertical plate; 9, bearing platform; 10, placing opening; 11, positioning hook; 12, double-headed screw; 13, motor; 14, guide rail; 15, protection assembly; 1501, protection door; 1502, handle; 1503, explosion-proof glass window; 16, partition; 17, plate groove. DETAILED DESCRIPTION

[0023] 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 scope of protection of the utility model.

[0024] Please refer to Figs. 1-6, plastic clothes hanger bending strength testing device, including the shell 1, the middle part of the top of the shell 1 is fixedly installed with the air cylinder 2, the telescopic rod of the air cylinder 2 is fixedly connected with the tension sensor 3, the bottom of the tension sensor 3 is fixedly connected with the tension head 4, the bottom of the tension head 4 is provided with the hanging hole 5, the inside of the shell 1 is equipped with two bearing platforms 9, the two sides of the plastic clothes hanger can be supported through the bearing platform 9, the tension head 4 is matched to pressurize the plastic clothes hanger, the bending performance of the plastic clothes hanger beam can be tested, the top of the side of the bearing platform 9 is fixedly provided with the positioning hook 11, the two sides of the bottom end of the plastic clothes hanger can be limited through the positioning hook 11, the hanging hole 5 of the tension head 4 can limit the hook of the top end of the plastic clothes hanger, it is convenient to simulate the compound stress state that the clothes hanger is simultaneously subjected to the upper suspension force and the lower clothes pulling force in actual use, the inside of the shell 1 is rotatably provided with the double-head screw 12, the two sides of the double-head screw 12 are equipped with the support assembly 8 for supporting the bearing platform 9, the bottom of the side of the shell 1 is fixedly installed with the motor 13, the double-head screw 12 is driven through the motor 13, the distance between the two bearing platforms 9 can be adjusted in the middle, the front of the shell 1 is provided with the protection assembly 15, the protection assembly 15 can play the role of protection, and human body injury caused by the plastic clothes hanger bouncing out can be prevented;

[0025] In the embodiment, preferably, the support assembly 8 includes a support base 801, a screw nut 802 is fixedly arranged at the middle portion of the support base 801, the screw nut 802 is threadedly connected with the double-head screw 12, two vertical plates 804 are fixedly arranged at the top of the support base 801, the top of each vertical plate 804 is fixedly connected with the bottom of the bearing platform 9, a partition plate 16 is fixedly arranged in the shell 1, two plate grooves 17 are formed in the two sides of the partition plate 16, each vertical plate 804 is slidably connected with the inside of the plate groove 17, two sliding blocks 803 are fixedly arranged at the two sides of the bottom of the support base 801, guide rails 14 are fixedly arranged on the inner walls of the two sides of the bottom of the shell 1, each sliding block 803 is slidably connected with the guide rail 14, the bearing platform 9 can be supported through the support base 801 and the vertical plate 804, the screw nut 802 can convert the rotary motion of the double-head screw 12 into the linear motion of the support base 801 by driving the double-head screw 12, so that the distance between the two bearing platforms 9 can be adjusted in the middle, the sliding block 803 and the guide rail 14 can guide the support base 801 when the support base 801 moves, and the plate groove 17 can ensure the horizontal sliding of the vertical plate 804;

[0026] In the embodiment, preferably, the protection assembly 15 includes a protection door 1501, one side of the protection door 1501 is hingedly connected with one side of the front of the shell 1, a clamping block is fixedly arranged at the other side of the protection door 1501, a clamping groove is formed at the other side of the front of the shell 1 and is clamped with the clamping block, a handle 1502 is fixedly arranged at one side of the front of the protection door 1501, an explosion-proof glass window 1503 is fixedly arranged on the surface of the protection door 1501, human body injury caused by the plastic clothes hanger bouncing out can be prevented by closing the protection door 1501, and the testing activities in the shell 1 can be observed through the explosion-proof glass window 1503;

[0027] In the embodiment, preferably, the top end of the tension and compression sensor 3 is fixed with a support plate 6 through screws, the middle part of the top end of the support plate 6 is fixedly connected with the telescopic rod of the air cylinder 2, the telescopic rod of the air cylinder 2 is penetratingly connected with the top end of the shell 1, the bottom end of the tension and compression sensor 3 is fixed with a mounting plate 7 through screws, the bottom end of the mounting plate 7 is fixedly connected with the top end of the tension and compression head 4 through screws, the tension and compression sensor 3 can be supported through the support plate 6, which is convenient for the installation and disassembly of the tension and compression sensor 3, the tension and compression head 4 can be supported through the mounting plate 7, which is convenient for the installation and disassembly of the tension and compression head 4;

[0028] In the embodiment, preferably, the top end of the support platform 9 is provided with a placing opening 10, and a baffle is fixedly arranged on one side of the placing opening 10, the plastic clothes hanger can be placed through the placing opening 10, and the baffle can prevent the plastic clothes hanger from falling off.

[0029] In the embodiment, preferably, the two ends of the double-headed screw rod 12 are rotatably connected with the inner walls of the two side bottoms of the shell 1 through bearings respectively, and the output shaft of the motor 13 is fixedly connected with one end of the double-headed screw rod 12, so that the double-headed screw rod 12 can be supported by the motor 13.

[0030] In use, the tester first opens the protective door 1501 of the protection assembly 15, then places the two sides of the plastic clothes hanger on the placing openings 10 of the two support platforms 9 respectively, and then closes the protective door 1501, and then drives the tension and compression head 4 to descend through the air cylinder 2, so that the tension and compression head 4 exerts pressure on the middle part of the plastic clothes hanger to make it bend, and the bending performance of the cross beam of the plastic clothes hanger can be tested in cooperation with the tension and compression sensor 3.

[0031] The hooks on the two sides of the bottom end of the plastic clothes hanger can be limited through the positioning hooks 11 on one side of the support platform 9, the hooks on the top end of the plastic clothes hanger are then inserted into the hook holes 5 of the tension and compression head 4 to position the plastic clothes hanger, and then the tension and compression head 4 is lifted through the air cylinder 2, so as to simulate the state that the clothes hanger simultaneously bears the upper hanging force and the lower clothes pulling force in actual use, thereby increasing the test function of the clothes hanger, and the tension and compression sensor 3 can monitor the tension borne by the clothes hanger, the protective door 1501 can prevent the plastic clothes hanger from bouncing out to cause human body injury during the test, the tester can observe the test activities in the shell 1 through the explosion-proof glass window 1503, and the tester can open the protective door 1501 after the test is completed.

[0032] When different lengths of plastic clothes hangers need to be tested, the tester drives the double-headed screw rod 12 through the motor 13, the screw nut 802 of the support assembly 8 can convert the rotary motion of the double-headed screw rod 12 into the linear motion of the support base 801, the sliding block 803 and the guide rail 14 can support and guide the support base 801, and the automatic centering adjustment of the guide rail 14 can adjust the distance between the two support platforms 9, so that the support assembly 8 can be suitable for different lengths of plastic clothes hangers.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for testing the bending strength of a plastic clothes hanger, comprising a housing (1), characterized in that: The middle part of the top end of the shell (1) is fixedly installed with a gas cylinder (2), the telescopic rod of the gas cylinder (2) is fixedly connected with a tension and pressure sensor (3), the bottom end of the tension and pressure sensor (3) is fixedly connected with a tension and pressure head (4), the bottom of the tension and pressure head (4) is provided with a hanging hole (5), the inside of the shell (1) is provided with two bearing platforms (9), the top of one side of the bearing platform (9) is fixedly provided with a positioning hook (11), the inside of the shell (1) is rotatably provided with a double-head screw (12), the two sides of the double-head screw (12) are provided with supporting assemblies (8), the bottom of one side of the shell (1) is fixedly installed with a motor (13), and the front of the shell (1) is provided with a protection assembly (15).

2. The device for testing the bending strength of plastic clothes hangers according to claim 1, characterized in that: The top end of the tension and pressure sensor (3) is fixedly provided with a supporting plate (6) through screws, the middle part of the top end of the supporting plate (6) is fixedly connected with the telescopic rod of the gas cylinder (2), the telescopic rod of the gas cylinder (2) is in plug connection with the top end of the shell (1), the bottom end of the tension and pressure sensor (3) is fixedly provided with a mounting plate (7) through screws, and the bottom end of the mounting plate (7) is fixedly connected with the top end of the tension and pressure head (4) through screws.

3. The device of claim 1, wherein: The supporting assembly (8) comprises a support (801), the middle part of the support (801) is fixedly provided with a screw nut (802), the screw nut (802) is in threaded connection with the double-head screw (12), and the top end of the support (801) is fixedly provided with a vertical plate (804) on both sides.

4. The device of claim 3, wherein: The inside of the shell (1) is fixedly provided with a partition plate (16), two plate grooves (17) are formed in the two sides of the partition plate (16), and the vertical plate (804) is in sliding connection with the inside of the plate groove (17).

5. The device of claim 3, wherein: The bottom end of the support (801) is fixedly provided with a sliding block (803) on both sides, the inner walls of the bottom ends of the two sides of the shell (1) are fixedly provided with guide rails (14), and the sliding block (803) is in sliding connection with the guide rail (14).

6. The device of claim 1, wherein: The top end of the bearing platform (9) is provided with a placing opening (10), and one side of the placing opening (10) is fixedly provided with a baffle.

7. The device of claim 1, wherein: The protection assembly (15) comprises a protection door (1501), one side of the protection door (1501) is hinged to one side of the front of the shell (1), the other side of the protection door (1501) is fixedly provided with a clamping block, the other side of the front of the shell (1) is provided with a clamping groove matched with the clamping block, one side of the front of the protection door (1501) is fixedly provided with a handle (1502), and the surface of the protection door (1501) is fixedly provided with an explosion-proof glass window (1503).

8. The device of claim 1, wherein: Both ends of the double-head screw (12) are rotatably connected with the inner walls of the bottom of the two sides of the shell (1) through bearings, and the output shaft of the motor (13) is fixedly connected with one end of the double-head screw (12).

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