CN220671357U

CN220671357U - Fire resistance testing device

Info

Publication number: CN220671357U
Application number: CN202322188250.XU
Authority: CN
Inventors: 朱宝廉; 芮贵贤
Original assignee: Wuxi Meifeng Rubber Product Co ltd
Current assignee: Wuxi Meifeng Rubber Product Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-03-26
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a flame retardance testing device, which belongs to the technical field of rubber product production testing equipment and comprises a box body, wherein a transparent box door is hermetically hinged to the box body, a bidirectional screw rod is rotatably installed in the box body, a speed reducing motor is fixedly installed on one side of the box body, one end of the speed reducing motor is fixedly connected with one end of the bidirectional screw rod, sliding blocks are respectively and spirally installed on the outer surfaces of two sections of threads of the bidirectional screw rod, a plurality of hinging rods are hinged to the two sliding blocks, the bottom ends of the hinging rods are hinged to the same mounting plate, two clamping assemblies are symmetrically arranged on the lower surface of the mounting plate, a gas storage tank is fixedly installed in the box body, and an igniter is fixedly installed in the box body on the same side of the gas storage tank; therefore, the distance between the rubber products clamped and fixed on the mounting plate and the flame of the fuel gas storage tank can be adjusted, the flame retardance of the rubber products at different burning temperatures can be conveniently tested, and the testing flexibility is improved.

Description

Fire resistance testing device

Technical Field

The utility model belongs to the technical field of rubber product production test equipment, and particularly relates to a flame retardance test device.

Background

The rubber product is a product processed by a high-elasticity polymer material with reversible deformation, can generate larger deformation under the action of small external force by virtue of the elasticity at room temperature, and can recover the original shape after the external force is removed, thus being widely applied to various aspects of industry or life.

Most of the prior flame retardance testing devices clamp and fix the to-be-tested object, then burn the to-be-tested object by using the gas storage tank, but the distance between the clamped and fixed rubber product and the flame of the gas storage tank is inconvenient to adjust, so that the flexibility of the flame retardance testing of the specific rubber product is relatively poor, and the flame retardance testing device lacks a structure for purifying harmful substances generated after the burning of the rubber product, so that the flame retardance testing device is poor in practicability.

Disclosure of Invention

The utility model aims to provide a flame retardance testing device, which solves the problems that in the prior art, most of the existing flame retardance testing devices are used for clamping and fixing an object to be tested, and then a gas storage tank is used for burning the object to be tested, but the distance between a rubber product and a flame of the gas storage tank after clamping and fixing is inconvenient to adjust, so that the flexibility of flame retardance testing of special rubber products is relatively poor, and a structure for purifying harmful substances generated after burning the rubber products is lacked, so that the practicability is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire resistance testing arrangement, includes the box, sealed articulated has transparent chamber door on the box, rotate in the box and install two-way lead screw, one side fixed mounting of box has gear motor, gear motor's one end and two-way lead screw's one end fixed connection, the slider is all installed to the equal screw thread of the surface of two sections screw threads of two-way lead screw, two all articulate a plurality of articulated rod on the slider, a plurality of the bottom of articulated rod articulates there is same mounting panel, the lower surface symmetry of mounting panel is provided with two clamping assemblies, fixed mounting has the gas storage tank in the box, fixed mounting has the some firearm in the box of gas storage tank homonymy, have valve and play air nozzle cooperation some firearm on the air outlet nozzle of gas storage tank and use, one side of box is provided with purifying mechanism.

By adopting the scheme, through setting up two-way lead screw, gear motor, slider, articulated lever, mounting panel and slide bar, gear motor drives two-way lead screw and rotates, and two-way lead screw rotates and drives the slider motion, and the slider motion drives the mounting panel up-and-down motion through articulated lever, adjusts the height of mounting panel to can adjust the distance between the rubber goods and the gas storage tank flame that the centre gripping is fixed on the mounting panel, the fire resistance of rubber goods under the different firing temperatures of test of being convenient for improves the flexibility of test.

As a preferred implementation mode, the clamping assembly comprises a mounting frame fixedly mounted on the lower surface of the mounting plate, a threaded rod is rotatably mounted on the mounting plate, the bottom end of the threaded rod extends to the lower portion of the mounting plate and is provided with a sleeve in a threaded manner, a pressing plate is fixedly mounted at the bottom end of the sleeve, and a hand wheel is fixed at the top end of the threaded rod.

By adopting the scheme, the rotating hand wheel drives the threaded rod to rotate, the threaded rod is matched with the telescopic rod in a rotating way to drive the sleeve and the pressing plate to move, the distance between the pressing plate and the inner wall of the mounting frame can be adjusted, rubber products with different thicknesses can be clamped and fixed conveniently, the application range is wide, and the practicability is strong.

As a preferred implementation mode, telescopic rods are fixedly arranged on the lower surfaces of mounting plates on two sides of the threaded rod, and the bottoms of the two telescopic rods are fixedly connected with pressing plates on the same side.

By adopting the scheme, the motion of the pressing plate and the sleeve can be guided and limited by the telescopic rod, so that the motion stability of the pressing plate and the sleeve is improved.

As a preferred implementation mode, the purifying mechanism comprises an air pump and a water storage tank which are fixedly arranged on one side of the tank body, an air inlet of the air pump is communicated with an air inlet pipe, one end of the air inlet pipe extends into the tank body, an air outlet of the air pump is communicated with an air outlet pipe, the other end of the air outlet pipe extends to below the liquid level of the water storage tank, and an air outlet hole is formed in the water storage tank.

By adopting the scheme, the water body in the water storage tank can adsorb harmful gases such as sulfur dioxide generated by the combustion of the rubber product, the air pump can suck the gases generated by the combustion of the rubber product through the air inlet pipe, then the gases are discharged into the water body in the water storage tank through the exhaust pipe, and finally the gases are discharged through the air outlet hole, so that the harmful gases generated by the combustion of the rubber product can be adsorbed and purified.

As a preferable implementation mode, the two sides of the bidirectional screw rod are fixedly provided with sliding rods in the box body, and the sliding blocks slide on the outer surfaces of the two sliding rods.

By adopting the scheme, the sliding rod can guide and limit the movement of the sliding block, so that the sliding block is prevented from deviating and shaking in the process of moving on the bidirectional screw rod, and the movement stability of the sliding block is improved.

As a preferable implementation mode, four guide rods which are rectangular in distribution are fixedly arranged between the upper surface and the lower surface of the inner wall of the box body, and the mounting plate slides on the outer surfaces of the four guide rods.

By adopting the scheme, the movement of the mounting plate can be limited and supported by the guide rod.

As a preferred implementation mode, a plurality of ventilation openings are formed in the box body.

By adopting the scheme, the vent is arranged, so that sufficient oxygen in the box body can be ensured, and the combustion of rubber products is facilitated.

Compared with the prior art, the utility model has the beneficial effects that:

according to the flame retardance testing device, the bidirectional screw rod, the speed reducing motor, the sliding block, the hinging rod, the mounting plate and the sliding rod are arranged, the speed reducing motor drives the bidirectional screw rod to rotate, the bidirectional screw rod is matched with the sliding rod in a rotating mode to drive the sliding block to move, the hinging rod drives the mounting plate to move up and down through the sliding block, and the height of the mounting plate is adjusted, so that the distance between a rubber product clamped and fixed on the mounting plate and flame of a fuel gas storage tank can be adjusted, the flame retardance of the rubber product at different burning temperatures can be conveniently tested, and the testing flexibility is improved;

according to the flame retardance testing device, the purifying mechanism is arranged, the air pump is used for sucking gas generated by burning of the rubber product through the air inlet pipe, then the gas is discharged into a water body in the water storage tank through the exhaust pipe, and finally the gas is discharged through the air outlet hole, so that harmful gas generated by burning of the rubber product can be adsorbed and purified;

this fire resistance testing arrangement drives the threaded rod through setting up the centre gripping subassembly, rotates the hand wheel and rotates, and threaded rod normal running fit telescopic link drives sleeve and clamp plate motion, can adjust the distance of clamp plate and mounting bracket inner wall, is convenient for carry out the centre gripping to different thickness rubber products fixedly, and application scope is wide, and the practicality is strong.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the case of the present utility model;

fig. 3 is a schematic structural view of a clamping assembly according to the present utility model.

In the figure: 1. a case; 2. a door; 3. a two-way screw rod; 4. a speed reducing motor; 5. a slide block; 6. a hinge rod; 7. a mounting plate; 8. a clamping assembly; 801. a mounting frame; 802. a threaded rod; 803. a sleeve; 804. a pressing plate; 805. a telescopic rod; 9. an air pump; 10. a water storage tank; 11. a gas storage tank; 12. an igniter; 13. a slide bar; 14. a guide rod; 15. and (5) a ventilation opening.

Detailed Description

Referring to fig. 1-3, the utility model provides a fire resistance testing device, which comprises a box body 1, wherein a transparent box door 2 is hermetically hinged on the box body 1, a bidirectional screw rod 3 is rotatably installed in the box body 1, a speed reducing motor 4 is fixedly installed on one side of the box body 1, one end of the speed reducing motor 4 is fixedly connected with one end of the bidirectional screw rod 3, sliding blocks 5 are respectively and spirally installed on the outer surfaces of two sections of threads of the bidirectional screw rod 3, a plurality of hinging rods 6 are hinged on the two sliding blocks 5, the bottom ends of the hinging rods 6 are hinged with the same mounting plate 7, two clamping assemblies 8 are symmetrically arranged on the lower surface of the mounting plate 7, a gas storage tank 11 is fixedly installed in the box body 1, an igniter 12 is fixedly installed in the box body 1 on the same side of the gas storage tank 11, a valve is arranged on an air outlet nozzle of the gas storage tank 11 and is matched with the igniter 12, a purifying mechanism is arranged on one side of the box body 1, the speed reducing motor 4 drives the bidirectional screw rod 3 to rotate, the sliding blocks 5 are driven to move through the hinging rods 6, the sliding blocks 7 move up and down, the heights of the mounting plate 7 are adjusted, so that the rubber products fixed on the rubber products are clamped and the rubber products are not required to be subjected to fire resistance testing, and the fire resistance testing distance between the rubber products is improved.

Wherein, clamping assembly 8 includes mounting bracket 801 of fixed mounting at mounting panel 7 lower surface, rotate on the mounting panel 7 and install threaded rod 802, the bottom of threaded rod 802 extends to mounting panel 7 below and threaded mounting has sleeve 803, the bottom fixed mounting of sleeve 803 has clamp plate 804, the top of threaded rod 802 is fixed with the hand wheel, rotate the hand wheel and drive threaded rod 802 rotation, threaded rod 802 normal running fit telescopic link 805 drives sleeve 803 and clamp plate 804 motion, can adjust the distance of clamp plate 804 and mounting bracket 801 inner wall, be convenient for carry out the centre gripping to different thickness rubber products fixedly, the application scope is wide, the practicality is strong.

Wherein, the mounting panel 7 lower surface of threaded rod 802 both sides is all fixed mounting has telescopic link 805, and the bottom of two telescopic links 805 all with the clamp plate 804 fixed connection of homonymy, telescopic link 805 can lead spacing to the motion of clamp plate 804 and sleeve 803, improves the stability of clamp plate 804 and sleeve 803 motion.

Wherein, purifying mechanism includes air pump 9 and storage water tank 10 of fixed mounting in box 1 one side, the air inlet intercommunication of air pump 9 has the intake pipe and the one end of intake pipe extends to in box 1, the gas vent intercommunication of air pump 9 has the blast pipe and the other end of blast pipe extends to below the liquid level of storage water tank 10, the venthole has been seted up on the storage water tank 10, the water in the storage water tank 10 can adsorb harmful gas such as sulfur dioxide that the rubber products burns produced, air pump 9 is through the gas suction that the intake pipe produced the rubber products burns, in the water in the storage water tank 10 is discharged to the blast pipe again, finally discharge through the venthole, thereby can adsorb the harmful gas that produces the rubber products burning and purify.

Wherein, all fixed mounting has slide bar 13 in the box 1 of two sides of two-way lead screw 3, and slider 5 slides the surface at two slide bars 13, and slide bar 13 can lead to spacingly to the motion of slider 5, avoids slider 5 to appear shifting in the in-process of motion on two-way lead screw 3 and rocks, improves the stability of slider 5 motion.

Four guide rods 14 which are rectangular in distribution are fixedly arranged between the upper surface and the lower surface of the inner wall of the box body 1, and the mounting plate 7 slides on the outer surfaces of the four guide rods 14, so that the movement of the mounting plate 7 can be limited and supported.

Wherein, a plurality of ventilation openings 15 are arranged on the box body 1, the ventilation openings 15 can ensure sufficient oxygen in the box body 1, and the combustion of rubber products is facilitated.

When the device is used, rubber products to be tested are placed between two mounting racks 801, a rotating hand wheel drives a threaded rod 802 to rotate, the threaded rod 802 is matched with a telescopic rod 805 in a rotating mode to drive a sleeve 803 and a pressing plate 804 to move downwards, the distance between the pressing plate 804 and the inner wall of the mounting rack 801 can be adjusted, rubber products can be clamped and fixed, rubber products with different thicknesses can be clamped and fixed, after the clamping is finished, a gear motor 4 is started, a valve on a gas storage tank 11 is opened, gas is sprayed out from a gas outlet nozzle, an igniter 12 is ignited to produce flame, the igniter 12 ignites the gas storage tank 11, the gear motor 4 drives a bidirectional screw rod 3 to rotate, the bidirectional screw rod 3 is matched with a sliding rod 13 to drive a sliding block 5 to move, the sliding block 5 moves up and down through a hinging rod 6 to drive a mounting plate 7 to adjust the height of the mounting plate 7, the rubber products clamped and the flame between the gas storage tank 11 can be conveniently tested, meanwhile, an air pump 9 is started to suck gas generated by burning the rubber products through the air inlet pipe, and finally the air pump 9 is discharged into a water body 10 through the air outlet pipe, and finally harmful gas is discharged through the air outlet hole to produce harmful gas to adsorb the rubber products to the environment.

Claims

1. A flame retardancy testing device, characterized in that: including box (1), sealed articulated have transparent chamber door (2) on box (1), two-way lead screw (3) are installed to box (1) internal rotation, one side fixed mounting of box (1) has gear motor (4), the one end of gear motor (4) and the one end fixed connection of two-way lead screw (3), slider (5) are installed to the equal screw thread of surface of two sections screw threads of two slider (5) are gone up and are all articulated have a plurality of articulated pole (6), a plurality of articulated pole (6) the bottom articulates there is same mounting panel (7), the lower surface symmetry of mounting panel (7) is provided with two clamping components (8), fixed mounting has gas storage tank (11) in box (1), gas storage tank (11) homonymy box (1) internal fixation has some firearm (12), have valve and the mouth cooperation some firearm (12) use of giving vent to anger on the air cock of gas storage tank (11), one side of box (1) is provided with purifying mechanism.

2. The flame retardancy testing device as set forth in claim 1, wherein: clamping assembly (8) are including mounting bracket (801) of fixed mounting at mounting panel (7) lower surface, rotate on mounting panel (7) and install threaded rod (802), the bottom of threaded rod (802) extends to mounting panel (7) below and screw thread installs sleeve (803), the bottom fixed mounting of sleeve (803) has clamp plate (804), the top of threaded rod (802) is fixed with the hand wheel.

3. A fire resistance testing device according to claim 2, wherein: the lower surfaces of the mounting plates (7) on two sides of the threaded rod (802) are fixedly provided with telescopic rods (805), and the bottoms of the two telescopic rods (805) are fixedly connected with the pressing plates (804) on the same side.

4. The flame retardancy testing device as set forth in claim 1, wherein: the purifying mechanism comprises an air pump (9) and a water storage tank (10) which are fixedly arranged on one side of the box body (1), an air inlet of the air pump (9) is communicated with an air inlet pipe, one end of the air inlet pipe extends into the box body (1), an air outlet of the air pump (9) is communicated with an exhaust pipe, the other end of the exhaust pipe extends to below the liquid level of the water storage tank (10), and an air outlet hole is formed in the water storage tank (10).

5. The flame retardancy testing device as set forth in claim 1, wherein: sliding rods (13) are fixedly arranged in the box bodies (1) at two sides of the two-way screw rod (3), and the sliding blocks (5) slide on the outer surfaces of the two sliding rods (13).

6. The flame retardancy testing device as set forth in claim 1, wherein: four guide rods (14) which are rectangular in distribution are fixedly arranged between the upper surface and the lower surface of the inner wall of the box body (1), and the mounting plate (7) slides on the outer surfaces of the four guide rods (14).

7. The flame retardancy testing device as set forth in claim 1, wherein: a plurality of ventilation openings (15) are formed in the box body (1).