CN212622432U - Flame-retardant test box for plastic track - Google Patents

Abstract

The utility model discloses a plastic course fire-retardant test box, including the box, be equipped with the frame that burns in the box, be equipped with lifting mechanism box inner wall fixedly connected with rack in the frame that burns, rack toothing has three gears, the rack drives three rotations of gear, three drives lifting mechanism and rises, is equipped with moving mechanism in the box, is equipped with the movable block on the moving mechanism, and movable block and frame fixed connection burn are equipped with slide mechanism between frame and the box, and the box is equipped with the curb plate of vertical direction free movement, and the curb plate is connected with elevating gear, and the curb plate rises, shifts out the box with the frame that burns through lead screw transmission, has solved the manual work and has taken out the trouble to easy injured problem.

Description

Flame-retardant test box for plastic track

Technical Field

The utility model relates to a burning test technical field, in particular to plastic course flame retardant test case.

Background

The method comprises the following steps of (1) carrying out a flame retardance test when the plastic track is checked and accepted, and judging the flame retardance of the horizontal plastic track under the action of proper flame, wherein the test method comprises the following steps: a disk of overlapping fibrous layers weighing 0.8g was placed in the middle of the sample. The fiber layer wafer was soaked with alcohol uniformly and the test should be performed in a place without ventilation. Then ignited and burned naturally, and after the flame and afterglow were extinguished, the diameter of the burned plaque remaining on the specimen surface was measured. When burning, when the fibrous layer takes place to overturn and influence the size of burning patch, should change the sample again and mend and do the experiment with utility model discloses a be the shown plastic course flame retardant test case of CN207457165U for the example, including box and burning frame, the burning frame is located the box, places the sample on the burning frame, and the fibrous layer disk has been placed at the sample center, the burning frame includes the support body, and the support body upper surface is seted up flutedly one, and in sample embedding recess one, the support body rotates to be connected with and dials the piece, dials a piece one end and is located the sample below.

In the device, the sample is manually taken out from the test box when being replaced, and the sample is manually taken out, so that the manual taking-out operation is troublesome; and if the test fails, the temperature in the test box is too high, and the hand is easily scalded when extending into the test box.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plastic course fire-retardant test box, the device can be automatic shift out the test box with the sample on the frame that burns, raises the sample in the in-process that shifts out automatically, and convenient the change is changed outside the box.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a plastic course fire-retardant test box, includes the box, is equipped with the frame that burns in the box, be equipped with the lifting device in the frame that burns, box inner wall fixedly connected with rack, the lifting device is driven by the rack, be equipped with moving mechanism in the box, moving mechanism is connected with the frame that burns, it is equipped with slide mechanism to burn between frame and the box, the box is equipped with the curb plate of vertical direction free movement, the curb plate is connected with elevating gear, the curb plate rises, the moving mechanism drives the lifting device with the frame that burns and raises the sample when shifting out the box process.

By adopting the technical scheme, the lifting device drives the side plate to ascend, the moving mechanism is used for driving the combustion frame to slide on the sliding mechanism, the combustion frame is moved out from the opening part opened by the side plate, the sample on the combustion frame is lifted out in the process of moving and driving the lifting device on the rack in the moving-out process, and the sample is replaced outside the box body.

Preferably, the lifting device comprises a sample placing groove, a lifting platform is arranged in the sample placing groove, a sliding block is arranged on the edge of the lifting platform, a groove is formed in the inner wall of the sample placing groove, the sliding block is connected in the groove in a sliding mode, a first gear is arranged below the lifting platform, a threaded rod is arranged on the first gear, the threaded rod is connected with the lifting platform in a threaded mode, a second gear is meshed with the first gear, a third gear is meshed with the second gear, and the third gear is meshed with the rack.

By adopting the technical scheme, the sample placing groove limits a fixed position, so that a sample of the plastic runway is placed in the placing groove, the rack drives the gear III to rotate, the gear III drives the gear II to rotate, the gear II drives the gear I to rotate, the gear I drives the threaded rod to rotate, the lifting platform is lifted under the action of the threaded rod, and the sliding block on the edge of the lifting platform slides in the groove, so that the stability is improved.

Preferably, the moving mechanism comprises a motor, the motor is fixedly connected to the outer side of the box body, an output shaft of the motor penetrates through the box wall to be connected with a lead screw, the lead screw is connected with the box body through a bearing, the lead screw is in threaded connection with a moving block, and the moving block is connected with two guide rods in a sliding mode.

By adopting the technical scheme, the motor rotates forwards and backwards to drive the lead screw to rotate, the friction between the lead screw and the box body is reduced by the bearing, the lead screw drives the moving block to move back and forth on the lead screw through the threads, and the displacement direction of the moving block is limited by the two guide rods.

Preferably, the sliding mechanism comprises a convex block, the convex block is fixedly connected to the box body, a T-shaped groove is formed in the bottom of the combustion rack, and the convex block is connected inside the T-shaped groove in a sliding mode.

By adopting the technical scheme, the burning frame moves through the T-shaped groove at the bottom at the lug on the box body, so that the burning frame can move back and forth.

Preferably, sliding grooves are formed in two sides of the box body, and the side plates are connected inside the sliding grooves in a sliding mode.

Adopt above-mentioned technical scheme, the spout provides removal passageway for the curb plate, makes the curb plate can remove in the spout, can open and close, provides an export that can come out for the burning frame.

Preferably, the lifting device comprises an electric telescopic rod, and the electric telescopic rod is fixedly connected with the side plate.

By adopting the technical scheme, the electric telescopic rod drives the side plate to ascend and descend by extending and retracting the rod, so that the function of automatically opening and closing the side plate is realized.

Preferably, the box body is provided with an automatic ignition device.

By adopting the technical scheme, the fiber layer wafer is automatically ignited by the automatic ignition device, and the safety is ensured by the automatic ignition of the machine.

Preferably, the front surface of the box body is provided with a glass observation port.

By adopting the technical scheme, the glass observation port can enable light to enter the box body, so that the combustion condition of objects in the box body can be observed by naked eyes, and judgment can be carried out in time.

Preferably, the box body is provided with a control panel, and the control panel is connected with a motor, an electric telescopic rod and an automatic ignition device through a lead.

Adopt above-mentioned technical scheme, control panel synthesizes with the motor, electric telescopic handle and automatic ignition form a entire system, control panel control electric telescopic handle rises, it rises to drive the curb plate, open an opening, it finishes to rise, control panel control motor starts, the motor drives the lead screw and rotates and make the burning frame shift out from the opening part, sample and fibrous layer disk are put to the box outside, move the burning frame to the primary importance through the motor reversal, the curb plate descends through electric telescopic handle, then light the fibrous layer disk with automatic ignition, it changes the sample to shift out finally.

Preferably, the box body is provided with an infrared sensor, the infrared sensor is aligned to an inlet and an outlet of the combustion rack, and the infrared sensor is connected to the control panel through a lead.

Adopt above-mentioned technical scheme, infrared sensor is used for detecting the burning frame export condition, does not get into or there is the foreign matter to shelter from the curb plate below when burning the frame, prevents through control panel that the curb plate descends.

Drawings

Fig. 1 is a perspective view of an embodiment of the utility model;

fig. 2 is a top view of the internal structure of the utility model;

FIG. 3 is a side view of the utility model with internal structure;

FIG. 4 is a cross-sectional view of a combustion frame of the utility model;

fig. 5 is an exploded view of the internal structure of fig. 4.

Reference numerals: 1. a box body; 2. a viewing port; 3. transparent glass; 4. an infrared sensor; 5. an electric telescopic rod; 6. a wire; 7. a control panel; 8. a motor; 9. an automatic ignition device; 10. a flame nozzle; 11. a moving block; 12. a screw rod; 13. a guide bar; 14. a moving mechanism; 15. a combustion rack; 16. a third gear; 17. a rack; 18. a bump; 19. a side plate; 20. a chute; a T-shaped groove; 22. a lifting device; 23. a groove; 24. a lifting platform; 25. a threaded rod; 26. a first gear; 27 gear two; 28. a slider; 29. a sample placement groove; 30. a sliding mechanism; 31. a lifting device.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

A flame retardant test box for a plastic track comprises a box body 1, a control panel 7 is arranged on the side surface of the box body 1, a combustion rack 15 is arranged in the box body 1, a lifting device 22 is arranged in the combustion rack 15 on the combustion rack 15, a rack 17 is fixedly connected to the inner wall of the box body 1, the lifting device 22 is connected with the rack 17 through a gear, a sample placing groove 29 is arranged on the combustion rack, a sample of the plastic track is placed in the sample placing groove 29, a moving mechanism 14 is arranged in the box body 1, the moving mechanism 14 comprises a motor 8, the motor 8 is connected with the control panel 7 through a lead wire 6, the motor 8 is fixedly connected to the outer side of the box body 1, an output shaft of the motor 8 penetrates through the box wall to be connected with a lead screw 12, the lead screw 12 is connected with the box body 1 through a bearing, the lead screw 12 is arranged, a moving block 11 is fixedly connected with the rear end of a combustion rack 15, a motor 8 drives a lead screw 12 to rotate through positive and negative rotation, the lead screw 12 drives the moving block 11 to move back and forth on the lead screw 12 through threads, two guide rods 13 limit the displacement direction of the moving block 11, the moving block 11 drives the combustion rack 15 to move back and forth on a sliding mechanism 30, the sliding mechanism 30 comprises a lug 18, the lug 18 is fixedly connected with a box body 1, a T-shaped groove 21 is arranged at the bottom of the combustion rack 15, the lug 18 is in sliding connection in the T-shaped groove 21, the combustion rack 15 moves back and forth on the lug 18 on the box body 1, a rack 17 is arranged in the box body 1, a lifting table 24 is arranged in a sample placing groove 29, a sliding block 28 is arranged at the edge of the lifting table 24, a groove 23 is arranged on the inner wall of the sample, the threaded rod 25 is in threaded connection with the lifting platform 24, the rack 17 drives the gear III 16 to rotate in the moving process of the combustion frame 15, the gear I26 is meshed with the gear II 27, the gear II 27 is meshed with the gear III 16, the gear III 16 is meshed with the rack 17, the gear II 27 drives the gear I26 to rotate, the gear I26 drives the threaded rod 25 to rotate, the lifting platform 24 is lifted up under the action of the threaded rod 25, the sliding block 28 on the edge of the lifting platform 24 slides in the groove 23, the stability is improved, the sliding grooves 20 are formed in two sides of the box body 1, the side plate 19 of the box body 1 is connected inside the sliding grooves 20 in a sliding mode, the electric telescopic rods 5 are arranged on two sides of the side plate 19, the electric telescopic rods 5 are fixedly connected with the side plate 19, the electric telescopic rods 5 are connected with the control panel 7 through leads 6, the electric telescopic rods 5 drive the lifting, the chute 20 provides a moving channel for the side plate 19, so that the side plate 19 can move up and down in the chute 20, can be opened and closed, and provides an outlet for the combustion rack 15, the combustion rack 15 moves out from the opening opened by the side plate 19, and exchanges samples outside the box body 1, the infrared sensor 4 is arranged on the side surface of the box body 1, the infrared sensor 4 is aligned with the inlet and the outlet of the combustion rack 15, the infrared sensor 4 is connected to the control panel 7 by the lead 6, the box body 1 is provided with the automatic ignition device 9, the ignition device is connected to the control panel 7 by the lead 6, the flame nozzle 10 of the automatic ignition device 9 is aligned with the fiber layer wafer, the automatic ignition device 9 performs tests by igniting the fiber layer wafer, the front surface of the box body 1 is provided with the glass observation port 2, the glass observation port 2 can enable light to enter the box body 1, and the combustion, so that the operator can judge in time.

The working principle is as follows: starting a control panel 7, wherein the control panel 7 comprehensively forms a whole system by a motor 8, an electric telescopic rod 5 and an automatic ignition device 9, the control panel 7 controls the electric telescopic rod 5 to ascend to drive a side plate 19 to ascend, an opening is opened, after the ascending is finished, the control panel 7 controls the motor 8 to start, the motor 8 drives a screw rod 12 to rotate to enable a combustion rack 15 to move out from the opening, a rack 17 drives a lifting platform 24 to ascend in the moving-out process, a sample and a fiber layer wafer are placed on the lifting platform 24, the combustion rack 15 is moved to the original position through the reverse rotation of the motor 8, the lifting platform 24 descends at the same time, an infrared sensor 4 aligns at an inlet and an outlet of the combustion rack 15 to detect and transmit information to the control panel 7, when no shielding object is found by the infrared sensor 4, the side plate 19 descends through the electric telescopic rod 5, and then the fiber layer wafer is ignited by the, the experiment was conducted and observed from the glass observation port 2.

Claims (10)

1. The plastic track flame-retardant test box comprises a box body (1), wherein a combustion rack (15) is arranged in the box body (1), and the plastic track flame-retardant test box is characterized in that a lifting device (22) is arranged in the combustion rack (15), a rack (17) is fixedly connected to the inner wall of the box body (1), a gear III (16) is meshed with the rack (17), the rack (17) drives the gear III (16) to rotate, the gear III (16) drives the lifting device (22) to ascend, a moving mechanism (14) is arranged in the box body (1), the moving mechanism (14) is connected to the combustion rack (15), a sliding mechanism (30) is arranged between the combustion rack (15) and the box body (1), a side plate (19) which can freely move in the vertical direction is arranged on the box body (1), the side plate (19) is connected with a lifting device (31), and the rack (17) drives the lifting device (22) to elevate a sample when the combustion rack (15) is moved out of the .

2. The plastic track flame retardant test box according to claim 1, characterized in that the lifting device (22) comprises a sample placing groove (29), a lifting table (24) is arranged in the sample placing groove (29), a sliding block (28) is arranged on the edge of the lifting table (24), a groove (23) is formed in the inner wall of the sample placing groove (29), the sliding block (28) is connected in the groove (23) in a sliding mode, a first gear (26) is arranged below the lifting table (24), a threaded rod (25) is arranged on the first gear (26), the threaded rod (25) is connected with the lifting table (24) in a threaded mode, a second gear (27) is meshed with the first gear (26), a third gear (16) is meshed with the second gear (27), and the third gear (16) is meshed with a rack (17).

3. The plastic track flame retardant test box according to claim 1, characterized in that the moving mechanism (14) comprises a motor (8), the motor (8) is fixedly connected to the outer side of the box body (1), an output shaft of the motor (8) penetrates through the box wall to be connected with a lead screw (12), the lead screw (12) is connected with the box body (1) through a bearing, the lead screw (12) is in threaded connection with a moving block (11), and the moving block (11) is in sliding connection with two guide rods (13).

4. A plastic track fire-retardant test box according to claim 1, characterized in that, the sliding mechanism (30) includes a projection (18), the projection (18) is fixedly connected to the box body (1), a T-shaped groove (21) is arranged at the bottom of the burning frame (15), and the projection (18) is connected in a sliding manner inside the T-shaped groove (21).

5. The plastic track flame retardant test box according to claim 1, characterized in that sliding grooves (20) are formed in two sides of the box body (1), and the side plates (19) are slidably connected inside the sliding grooves (20).

6. The plastic track flame retardant test box according to claim 1, characterized in that the lifting device (31) comprises an electric telescopic rod (5), and the electric telescopic rod (5) is fixedly connected with the side plate (19).

7. A plastic track fire-retardant test chamber according to claim 1, characterized in that the chamber (1) is provided with an automatic ignition device (9).

8. The plastic track flame retardant test box according to claim 1, characterized in that a glass viewing port (2) is arranged on the front surface of the box body (1).

9. The plastic track flame retardant test box according to claim 8, characterized in that a control panel (7) is arranged on the box body (1), and the control panel (7) is connected with a motor (8), an electric telescopic rod (5) and an automatic ignition device (9) through a lead (6).

10. The plastic track flame retardant test box according to claim 1, characterized in that the box body (1) is provided with an infrared sensor (4), the infrared sensor (4) is aligned with an inlet and an outlet of the combustion rack (15), and the infrared sensor (4) is connected to the control panel (7) by a lead (6).

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