Leather membrane spraying testing machine

Abstract

The utility model provides a leather membrane spray testing machine, including spray box and detachable fastening plate fixed in the spray box, the both sides of spray box's inner wall are both symmetrically fixed with the support plate that is used for supporting the fastening plate, the center position of fastening plate is provided with the through groove, and the side wall of fastening plate is provided with the holding groove, the holding groove is provided with the through groove. Wherein grooves are symmetrically formed in the two sides of the top end face of the fastening plate, a leather film body is embedded in the containing groove, rubber extrusion plates used for fixing the leather film body are arranged on the two sides of the top wall of the containing groove, and hexagon socket screws rotationally connected with the rubber extrusion plates are inserted into the grooves in a threaded mode. A sealing door is hinged to the side wall of the spraying box, a storage bin is arranged at the bottom end of the spraying box, a transparent window is embedded in the top end of the sealing door, and a water pump is installed at the bottom end of the side wall of the spraying box, so that a leather membrane main body of a spraying test is conveniently positioned, and the stability and the test effect of the leather membrane test are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spray test, in particular to a leather film spray testing machine. Background Art

[0002] A rain test chamber is an important experimental device. During the use of aviation, automobiles, external lighting and signal devices, since they are in the external environment for a long time, they are vulnerable to the test of rainy weather. Therefore, it is necessary to test their performance in a rainy environment, as well as their waterproof and anti-corrosion performance, etc. In order to test the waterproof performance of materials such as leather and film, a spray test needs to be carried out.

[0003] The patent with the application number 202320674530.9 discloses a spray test chamber, which includes a box body. A tubular rotating shaft is rotatably sleeved at the top of the box body. The bottom end of the rotating shaft communicates with a cylindrical shell, and the bottom of the cylindrical shell communicates with a nozzle. A rotating mechanism for driving the rotating shaft to rotate is installed at the top of the box body. A water pump is installed at the bottom of the interior of the box body. The outlet of the water pump communicates with a return pipe. One end of the return pipe away from the water pump is rotatably sleeved in the rotating shaft, and the return pipe communicates with the rotating shaft. The return pipe is a stainless steel pipe. A fixing plate is fixed inside the box body through a bracket. A plurality of limiting rods arranged in a grid shape are slidably sleeved on the fixing plate. The bottom end of the limiting rod is fixed with a limiting block, and a spring is connected between the limiting block and the fixing plate.

[0004] The above technical solution uses a rotating spray disc to improve the spraying angle and supports the test object through a bracket. However, since leather and film are non-rigid materials, they are prone to deformation and shrinkage when being sprayed, and the stability during the leather film test is poor, resulting in a poor effect of the leather film test. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a leather film spray testing machine for the deficiencies of the prior art. The function of positioning the leather film main body is realized through a detachable fastening plate structure in cooperation with a rubber extrusion plate and an internal hexagonal bolt structure, so as to solve the problems of poor stability and implementation effect of the leather film test.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A leather film spray testing machine includes a spray chamber and a fastening plate detachably fixed in the spray chamber. Support plates for supporting the fastening plate are symmetrically fixed on both sides of the inner wall of the spray chamber. A through groove is provided at the center position of the fastening plate, and a receiving groove is provided on the side wall of the fastening plate. Among them, grooves are symmetrically provided on both sides of the top end surface of the fastening plate. The leather film main body is embedded in the receiving groove, and rubber extrusion plates for fixing the leather film main body are provided on both sides of the top wall of the receiving groove. An internal hexagonal bolt rotatably connected to the rubber extrusion plate is threadedly inserted into the groove.

[0007] Preferably, a sealing door is hingedly installed on the side wall of the spray box, and a storage bin is arranged at the bottom end of the spray box. A transparent window is embedded at the top end of the sealing door.

[0008] Furthermore, a water pump is installed at the bottom end of the side wall of the spray box, and a spray plate is fixedly embedded in the top wall of the spray box.

[0009] Even further, mounting seats fixed to the spray box are arranged at both ends of the water pump, and connecting pipes respectively communicating with the spray plate and the water storage bin are arranged at both ends of the water pump.

[0010] Even further, drainage grooves are formed at both ends of the fastening plate, and the bottom end of the rubber extrusion plate is tightly connected to the diaphragm body.

[0011] Even further, the fastening plate is slidably inserted into the support plate, and positioning holes are formed on both sides of the top end surface of the fastening plate.

[0012] Even further, a bolt is slidably inserted into the top end of the support plate, and a spring is sleeved on the bolt.

[0013] Even further, a convex portion is fixed to the top end of the bolt, and the bottom end of the bolt passes through the support plate and is inserted into the positioning hole in a matching manner. Both ends of the spring are fixedly connected to the convex portion and the support plate respectively.

[0014] The beneficial effects of the present utility model are as follows:

[0015] (1) In the present utility model, support plates are symmetrically and fixedly arranged on both sides of the inner wall of the spray box, and a fastening plate is installed through the support plates. During the spray test, the diaphragm body is inserted into the accommodation groove, the hexagon socket head cap screw in the groove is tightened, and the rubber extrusion plate moves downward to squeeze and fix the diaphragm body. After fixation, the fastening plate is inserted into the support plate, and the spring at the top end of the support plate pulls the convex portion to insert the bolt into the positioning hole, so as to keep the fastening plate fixed, and the spray test is carried out on the diaphragm body through the through groove, which is convenient for positioning the diaphragm body in the spray test and improves the stability and test effect of the diaphragm test.

[0016] (2) In the present utility model, a water storage bin is arranged at the bottom end of the spray box. The water pump makes the water in the water storage bin spray out from the nozzles at the bottom end of the spray plate through the connecting pipe, and after spraying, it is blocked by the diaphragm body in the through groove, and the excess atomized water flows back to the water storage bin through the drainage groove, avoiding excessive accumulation of test water at the top end of the diaphragm body, and judging its water isolation effect through the dryness degree at the bottom end of the diaphragm body after the test. Description of the Drawings

[0017] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 Schematic diagram of the structure of the fastening plate of the present utility model;

[0019] Figure 3 Schematic diagram of the disassembled structure of the fastening plate of the present utility model;

[0020] Figure 4 For the present utility model Figure 3 Enlarged schematic diagram of the structure at A in the present utility model.

[0021] In the figure: 1. Spray box; 2. Spray plate; 3. Fastening plate; 4. Transparent window; 5. Sealing door; 6. Water storage bin; 7. Mounting seat; 8. Water pump; 9. Connecting pipe; 10. Groove; 11. Allen bolt; 12. Diaphragm main body; 13. Rubber extrusion plate; 14. Positioning hole; 15. Through groove; 16. Accommodating groove; 17. Drainage groove; 18. Support plate; 19. Bolt; 20. Protrusion; 21. Spring. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0024] Embodiment 1

[0025] As Figure 1 and Figure 2As shown in the figure, this embodiment provides a film spraying test machine, which includes a spraying box 1 and a fastening plate 3 detachably fixed in the spraying box 1. On both sides of the inner wall of the spraying box 1, support plates 18 for supporting the fastening plate 3 are symmetrically fixed. A through groove 15 is provided at the center position of the fastening plate 3, and a receiving groove 16 is provided on the side wall of the fastening plate 3. Among them, grooves 10 are symmetrically provided on both sides of the top surface of the fastening plate 3. A film main body 12 is embedded in the receiving groove 16, and rubber pressing plates 13 for fixing the film main body 12 are provided on both sides of the top wall of the receiving groove 16. An internal hexagonal bolt 11 rotatably connected to the rubber pressing plate 13 is threadedly inserted into the groove 10.

[0026] A sealing door 5 is hingedly installed on the side wall of the spraying box 1, and a storage bin is provided at the bottom end of the spraying box 1. A transparent window 4 is embedded at the top end of the sealing door 5. A water pump 8 is installed at the bottom end of the side wall of the spraying box 1, and a spraying plate 2 is embedded and fixed on the top wall of the spraying box 1. Installation seats 7 fixed to the spraying box 1 are provided at both ends of the water pump 8, and connecting pipes 9 respectively communicating with the spraying plate 2 and the water storage bin 6 are provided at both ends of the water pump 8. The film main body 12 is inserted into the receiving groove 16, the internal hexagonal bolt 11 in the groove 10 is tightened, and the rubber pressing plate 13 is moved downward to squeeze and fix the film main body 12. After fixing, the fastening plate 3 is inserted into the support plate 18, and the spring 21 at the top end of the support plate 18 pulls the protruding portion 20 to make the plug 19 inserted into the positioning hole 14, so that the fastening plate 3 is kept fixed, and a spraying test is carried out on the film main body 12 through the through groove 15.

[0027] Embodiment Two

[0028] As Figure 3 and Figure 4 shown in the figure, where the same or corresponding components as those in Embodiment One adopt the corresponding reference numerals in Embodiment One. For the sake of simplicity, only the differences from Embodiment One will be described below. The difference between this Embodiment Two and Embodiment One is that drainage grooves 17 are provided at both ends of the fastening plate 3, the bottom end of the rubber pressing plate 13 is tightly connected to the film main body 12, the fastening plate 3 is slidably inserted into the support plate 18, and positioning holes 14 are provided on both sides of the top surface of the fastening plate 3. A plug 19 is slidably inserted at the top end of the support plate 18. A spring 21 is sleeved on the plug 19. A protruding portion 20 is fixed at the top end of the plug 19, and the bottom end of the plug 19 passes through the support plate 18 and is fitted and inserted into the positioning hole 14. Both ends of the spring 21 are fixedly connected to the protruding portion 20 and the support plate 18 respectively. The water pump 8 makes the water in the water storage bin 6 spray out from the nozzles at the bottom end of the spraying plate 2 through the connecting pipe 9, and after spraying, it is blocked by the film main body 12 in the through groove 15, and the excess atomized water flows back to the water storage bin 6 through the drainage groove 17, avoiding excessive accumulation of test water at the top of the film main body 12.

[0029] Working Steps

[0030] Step 1: During the spray test, insert the diaphragm main body 12 into the receiving groove 16, tighten the socket head cap screw 11 in the groove 10, and move the rubber extrusion plate 13 downward to extrude and fix the diaphragm main body 12. After fixation, insert the fastening plate 3 into the support plate 18. The spring 21 at the top of the support plate 18 pulls the convex portion 20 to make the pin 19 insert into the positioning hole 14, so as to keep the fastening plate 3 fixed. Then, conduct a spray test on the diaphragm main body 12 through the through groove 15, which is convenient for positioning the diaphragm main body 12 during the spray test. Start the water pump 8 and the connecting pipe 9 to make the water in the water storage bin 6 spray out from the nozzles at the bottom of the spray plate 2. After spraying, it is blocked by the diaphragm main body 12 in the through groove 15, and the excess atomized water flows back to the water storage bin 6 through the drainage groove 17, avoiding excessive accumulation of test water at the top of the diaphragm main body 12. After the test, judge its water isolation effect according to the dryness degree at the bottom of the diaphragm main body 12.

[0031] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A film spraying test machine, comprising a spraying box and a fastening plate detachably fixed in the spraying box, characterized in that, On both sides of the inner wall of the spray box, there are symmetrically fixed support plates for supporting the fastening plate. A through groove is provided at the central position of the fastening plate, and a receiving groove is provided on the side wall of the fastening plate. Among them, on both sides of the top surface of the fastening plate, there are symmetrically provided grooves. A diaphragm body is embedded in the receiving groove, and on both sides of the top wall of the receiving groove, there are provided rubber extrusion plates for fixing the diaphragm body. An internal hexagonal bolt that is rotationally connected to the rubber extrusion plate is threadedly inserted into the groove.

2. The diaphragm spray testing machine according to claim 1, wherein A sealing door is hingedly installed on the side wall of the spray box, and a storage bin is provided at the bottom of the spray box. A transparent viewing window is embedded and installed at the top of the sealing door.

3. The diaphragm spray testing machine according to claim 2, wherein A water pump is installed at the bottom end of the side wall of the spray box, and a spray plate is fixedly embedded in the top wall of the spray box.

4. The diaphragm spray testing machine according to claim 3, characterized in that, Mounting seats fixed to the spray box are provided at both ends of the water pump, and connecting pipes respectively communicating with the spray plate and the water storage bin are provided at both ends of the water pump.

5. A diaphragm spray testing machine according to claim 1, characterized in that, Drainage grooves are provided at both ends of the fastening plate, and the bottom end of the rubber extrusion plate is tightly connected to the diaphragm body.

6. The diaphragm spray testing machine according to claim 1, characterized in that, The fastening plate is slidably inserted into the support plate, and positioning holes are provided on both sides of the top surface of the fastening plate.

7. The diaphragm spray testing machine according to claim 6, characterized in that, A plug is slidably inserted into the top end of the support plate, and a spring is sleeved and installed on the plug.

8. The membrane spraying testing machine according to claim 7, wherein A convex portion is fixed to the top end of the plug, and the bottom end of the plug passes through the support plate and is fitted and inserted into the positioning hole. Both ends of the spring are respectively fixed to the convex portion and the support plate.

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