High temperature resistance testing device for flame-retardant woven bag

Abstract

The utility model relates to a high temperature resistance testing device for a flame-retardant woven bag, which comprises a heat insulation box, a testing cavity is arranged on the upper side in the heat insulation box, an air heater for heating the testing cavity is arranged on the heat insulation box, and a heat insulation door is hinged outside the testing cavity; moving frames moving oppositely are arranged in the testing cavity in a bilateral symmetry mode, clamping assemblies are installed on the moving frames, and a camera is installed on the top wall of the testing cavity; a recycling cavity is formed in the lower side of the interior of the heat insulation box, a blocking mechanism is arranged between the testing cavity and the recycling cavity, a technician observes the whole testing process in the heat insulation box through picture signals transmitted by a camera, and the technician does not need to open a heat insulation door to make contact with the flame-retardant woven bag; technicians are prevented from being scalded by a high-temperature environment in the test cavity in the test process.

Description

TECHNICAL FIELD

[0001] The utility model relates to a woven bag, in particular to a high temperature resistant testing device of flame -retardant woven bag. BACKGROUND

[0002] The flame -retardant woven bag is a functional woven bag made by special process treatment or adding flame retardant, has the characteristics of inhibiting combustion and delaying fire, so as to reduce the combustibility of woven bag when contacting fire source, thereby improving the safety of woven bag, therefore the flame -retardant woven bag is widely used in fire fighting, chemical industry, logistics and other fields.

[0003] The flame -retardant woven bag is more likely to be in high temperature environment due to its own characteristics than other special woven bags, and high temperature can cause material softening, melting and even decomposition, therefore the flame -retardant woven bag needs to be tested for high temperature resistance to verify whether the material constituting the bag body can maintain dimensional stability and tear resistance at high temperature, and the existing testing method is usually to place the flame -retardant woven bag in a closed space to heat and test the material strength, but after the test is completed, the temperature in the closed space is high, and the technician is easy to be scalded when observing and recovering the flame -retardant woven bag.

[0004] In view of the above problems, a high temperature resistant testing device of flame -retardant woven bag is provided. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a high temperature resistant testing device of flame -retardant woven bag, solves the above -mentioned problems existing in the use process in the prior art.

[0006] The technical scheme of the utility model is as follows: a high temperature resistant testing device of flame -retardant woven bag, comprising a heat -insulating box, a test cavity is formed in the upper side of the inside of the heat -insulating box, a hot air machine for heating the test cavity is installed on the heat -insulating box, a temperature sensor is installed in the test cavity, and a heat -insulating door is hinged outside the test cavity.

[0007] The test cavity is provided with two moving racks that move towards each other, a clamping assembly is installed on the moving rack, and a first driving assembly is installed in the test cavity for driving the two moving racks.

[0008] A camera is installed on the top wall of the test cavity.

[0009] A recovery cavity is formed in the lower side of the inside of the heat -insulating box, and a blocking mechanism is arranged between the test cavity and the recovery cavity.

[0010] The utility model further provides that the clamping assembly comprises two bottom plates, and two cameras are respectively fixed on the opposite sides of the two moving racks.

[0011] Each of the moving frames is fixed with a mounting plate on the same side of each of the bottom plates, a lifting cylinder is mounted on the mounting plate, and a piston rod end of the lifting cylinder is fixedly connected with a vertically moving pressing plate.

[0012] The utility model discloses further provide that: one drive mechanism includes two screw rods, two the screw rod symmetry setting in the test cavity,

[0013] The right side wall of the heat insulation box is fixedly provided with an expansion frame, the right sides of the two screw rods are rotatably connected in the expansion frame, and a first motor for driving the screw rods is mounted on the expansion frame.

[0014] The right sides of the two screw rods are fixedly provided with synchronous wheels, and the two synchronous wheels are jointly connected with a synchronous belt.

[0015] The utility model discloses further provide that: the barrier mechanism includes the baffle that symmetry sets up in the recovery cavity, and the baffle is rotatably connected in the recovery cavity through a rotating shaft,

[0016] The heat insulation box is mounted with a rotating cylinder for driving the rotating shaft.

[0017] The utility model discloses further provide that: the side wall of the recovery cavity is provided with a plurality of heat dissipation holes.

[0018] The utility model discloses further provide that: the heat insulation door is mounted with an electromagnetic lock.

[0019] The utility model discloses further provide that: the heat insulation box is mounted with a display screen.

[0020] The utility model discloses further provide that: the heat insulation door is mounted with an electromagnetic lock.

[0021] The technician observes the whole test process in the heat insulation box through the picture signal transmitted to the display screen by the camera, and does not need to open the heat insulation door and contact the flame-retardant woven bag, so as to avoid the technician being scalded by the high-temperature environment in the test cavity during the test process.

[0022] After the test is completed, the flame-retardant plastic woven bag is recycled into the recovery cavity, and the technician does not need to manually recycle, so as to avoid being scalded during the recycling process of the flame-retardant plastic woven bag, and after the woven bag falls into the recovery cavity, the recovery cavity and the test cavity are in communication, so that the heat in the test cavity is dissipated through the heat dissipation holes, the electric heating wire in the hot air blower is powered off, the hot air blower blows cold air and air-cools the test cavity, so as to accelerate the heat dissipation speed in the test cavity, so as to facilitate the technician to start the next test, thereby improving the test efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the accompanying drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained based on these accompanying drawings without any creative effort.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0025] Figure 2 It is a schematic diagram of the internal structure of the present application.

[0026] Figure 3 It is Figure 1 It is a schematic diagram of the structure from another perspective.

[0027] In the drawing, 11 is an insulation box, 12 is a test cavity, 13 is a moving frame, 14 is an insulation door, 15 is a recovery cavity, 16 is a video camera, 17 is a bottom plate, 18 is a mounting plate, 19 is a lifting cylinder, 20 is a pressing plate, 21 is a lead screw, 22 is an expansion frame, 23 is a No. 1 motor, 24 is a synchronous wheel, 25 is a synchronous belt, 26 is a partition plate, 27 is a rotating shaft, 28 is a rotating cylinder, 29 is a heat dissipation hole, 30 is a display screen, 31 is a temperature sensor, and 33 is a hot air blower. DETAILED DESCRIPTION

[0028] The accompanying drawings needed to be used in the description of the embodiments of the present application will be briefly introduced as follows. Figures 1-3 The technical solutions in the embodiments of the present application are described clearly and completely. Obviously, the described embodiments only represent some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without any creative effort fall within the scope of the present application.

[0029] EMBODIMENT

[0030] For example Figures 1 to 3As shown, a kind of high temperature resistant testing device of fire-retardant woven bag, including heat insulation box 11, the inside upper side of the heat insulation box 11 is equipped with test cavity 12, the heat insulation box 11 is installed for heating the hot air machine 33 of test cavity 12, temperature sensor 31 is installed in test cavity 12, display screen 30 is installed on the side wall of 11, and the top wall of test cavity 12 is equipped with camera 16 connected with display screen 30, test cavity 12 is hinged with heat insulation door 14, electromagnetic lock (not shown in drawing) is installed in heat insulation door 14, after the heat insulation door 14 is closed by technician, the electromagnetic lock is automatically locked, so as to lock the heat insulation door 14, prevent it from opening in the testing process, two lead screws 21 are symmetrically arranged in test cavity 12, two moving frames 13 moving towards each other are connected on two lead screws 21, mounting plate 18 and bottom plate 17 are respectively arranged on the side of two moving frames 13, lifting cylinder 19 is installed on mounting plate 18, the piston rod end of lifting cylinder 19 is fixedly provided with pressing plate 20 capable of being pressed on 17.

[0031] Further, the right side wall of the heat insulation box 11 is fixedly provided with expansion bracket 22, the right sides of two lead screws 21 are rotatably connected in the expansion bracket 22, and a first motor 23 for driving the lead screws 21 is installed on the expansion bracket 22, further, the right sides of two expansion brackets 22 are fixedly provided with synchronous wheels 24, and a synchronous belt 25 is connected between two synchronous wheels 24, when the first motor 23 drives one of the lead screws 21 to rotate, the other lead screw 21 synchronously rotates under the drive of the synchronous belt 25, so that two moving frames 13 can synchronously move, and two lead screws 21 simultaneously drive the moving frames 13, so that two moving frames 13 can be uniformly stressed and move more stably.

[0032] The technician first makes two moving frames 13 close to each other, then places the left and right ends of the fire-retardant woven bag on two bottom plates 17, and makes the mounting plate 18 press on the upper side of the left and right ends, then the technician closes the heat insulation door 14, and makes the hot air machine 33 heat the test cavity 12 to the required temperature, when the temperature sensor 31 detects that the temperature in the test cavity 12 reaches the target value, two moving frames 13 move towards each other, and the fire-retardant woven bag is stretched to a certain distance in left and right transverse directions (the moving distance of the moving frame 13 is controlled by the technician), so as to test the tear resistance of the fire-retardant woven bag in high temperature environment, and further test whether the high temperature resistance of the fire-retardant woven bag is qualified, during the testing process, the technician can observe the surface deformation of the fire-retardant woven bag through the camera 16, without waiting for the testing to be completed to take out the fire-retardant woven bag for observation, which not only ensures the operation safety of the technician, but also improves the accuracy of the test result.

[0033] Further, the inside lower side of the heat insulation box 11 is provided with a recovery cavity 15, the recovery cavity 15 is provided with a partition plate 26 symmetrically left and right, the partition plate 26 is rotatably connected to the recovery cavity 15 through a rotating shaft 27, and the heat insulation box 11 is symmetrically provided with rotating cylinders 28 for driving the two rotating shafts 27.

[0034] During the test, the two partition plates 26 are in a horizontal state and abut against each other, thereby blocking the test cavity 12 and the recovery cavity 15, and making them not communicate with each other, when the test result is transmitted to the control platform through the camera 16, the partition plate 26 is opened downward, and the recovery cavity 15 is connected with the test cavity 12, the two moving frames 13 are first close to each other, and then the pressing plate 20 is moved upward to no longer clamp the flame-retardant woven bag, the flame-retardant woven bag falls into the recovery cavity 15, thereby realizing automatic recovery, avoiding that the technical personnel are scalded in the process of recovering the flame-retardant woven bag, ensuring the operation safety of the technical personnel, and a plurality of heat dissipation holes 29 are formed in the side wall of the recovery cavity 15, when the woven bag falls into the recovery cavity 15, the recovery cavity 15 and the test cavity 12 are in a communication state, the heat in the test cavity 12 is dissipated through the heat dissipation holes 29, and at this time, the electric heating wire in the hot air blower 33 is powered off, so that the hot air blower 33 blows cold air and cools the test cavity 12, thereby accelerating the cooling speed of the test cavity 12, enabling the technical personnel to quickly open the next test, and further improving the test efficiency.

[0035] It should be noted that the functions to be realized by the camera 16, the temperature sensor 31 and the hot air blower 33 in the embodiment have a large number of mature technologies to support, and the essence of the utility model lies in optimizing and combining the existing hardware machine connection mode for specific application occasions, so as to adapt to solve how to safely test the tear resistance of the flame-retardant woven bag in the high temperature environment (without changing the internal structure of the camera 16, the temperature sensor 31 and the hot air blower 33).

[0036] Meanwhile, it should be pointed out that the terms indicated by the utility model, such as "front", "rear", "vertical", "horizontal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0037] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high temperature resistance testing device for flame retardant woven bags, comprising a heat insulation box (11), characterized in that: The inside upper side of the heat insulation box (11) is provided with a test cavity (12), a hot air machine (33) for heating the test cavity (12) is installed on the heat insulation box (11), a temperature sensor (31) is installed in the test cavity (12), and a heat insulation door (14) is hingedly connected outside the test cavity (12); The test cavity (12) is symmetrically provided with two moving frames (13) moving towards each other, a clamping assembly is installed on the moving frame (13), and a first driving assembly for driving the two moving frames (13) is installed in the test cavity (12); A camera (16) is installed on the top wall of the test cavity (12); A recycling cavity (15) is formed on the lower side of the inside of the heat insulation box (11), and a blocking mechanism is arranged between the test cavity (12) and the recycling cavity (15).

2. A high temperature resistance testing device for fire retardant woven bags as claimed in claim 1 wherein: The clamping assembly comprises two bottom plates (17), and two cameras (16) are respectively fixed on the opposite sides of the two moving frames (13); Each moving frame (13) is fixed on the same side of each bottom plate (17), an installation plate (18) is fixed on the same side of each bottom plate (17), a lifting cylinder (19) is installed on the installation plate (18), and the piston rod end of the lifting cylinder (19) is fixedly connected with a vertically movable pressing plate (20).

3. A high temperature resistance testing device for fire retardant woven bags as claimed in claim 1 wherein: The first driving assembly comprises two lead screws (21), and the two lead screws (21) are symmetrically arranged in the test cavity (12); A expansion frame (22) is fixedly connected to the right side wall of the heat insulation box (11), the right sides of the two lead screws (21) are rotatably connected in the expansion frame (22), and a first motor (23) for driving the lead screws (21) is installed on the expansion frame (22); The right sides of the two lead screws (21) are fixedly provided with synchronous wheels (24), and the two synchronous wheels (24) are jointly connected with a synchronous belt (25).

4. A high temperature resistance testing device for fire retardant woven bags as claimed in claim 1, wherein: The blocking mechanism comprises a partition plate (26) symmetrically arranged in the recycling cavity (15), and the partition plate (26) is rotatably connected in the recycling cavity (15) through a rotating shaft (27); A rotating cylinder (28) for driving the rotating shaft (27) is installed on the heat insulation box (11).

5. A high temperature resistance testing device for fire retardant woven bags as claimed in claim 1, wherein: A plurality of heat dissipation holes (29) are formed in the side wall of the recycling cavity (15).

6. A high temperature resistance testing device for fire retardant woven bags as claimed in claim 1, wherein: An electromagnetic lock is installed on the heat insulation door (14).

7. A high temperature resistance testing device for fire retardant woven bags as claimed in claim 1, wherein: A display screen (30) is installed on the heat insulation box (11).

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