Gas permeability tester

Abstract

The utility model relates to the technical field of gas permeability testing, and discloses a gas permeability tester, which comprises a motor fixedly connected to a bottom output shaft of an electric push rod I; the glue injection pump is in through connection with the outer side wall of the glue barrel; the scraping plate is arranged at the bottom of the output end of the glue injection pump, and the output end of the glue injection pump penetrates into the scraping plate; the glue injection opening is formed in the front side wall of the scraper, and the top of the glue injection opening is communicated with the output end of the glue injection pump. Firstly, a steering mechanism is controlled to enable a structure at the bottom of a supporting plate to rotate to the position above a lower cavity plate, a motor and a glue injection pump are started, the motor drives a bottom plate to rotate clockwise through a connecting rod, the bottom plate drives a scraping plate with the top connected with a glue barrel to slide on the lower cavity plate, and at the moment, the glue injection pump conveys vacuum grease in the glue barrel to a glue injection opening; the surface of the lower cavity plate is coated with vacuum grease through the glue injection opening, the vacuum grease is evenly coated through the moving scraping plate, and after the motor drives the scraping plate to rotate by a circle, coating of the vacuum grease on the upper surface of the lower cavity plate is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas permeability test technical field, concretely is a kind of gas permeability tester. BACKGROUND

[0002] Permeability tester is mainly applicable to plastic film, composite film, sheet material, high-barrier material, solar backsheet, metal foil, waterproofing membrane and plastic, rubber, paper, glass, metal and other materials bottle, bag, can, box and other packaging containers of water vapor permeability determination. Through the determination of permeability, the technical index of control and regulation of packaging material and other products is achieved, and different needs of product application are met.

[0003] To ensure the accuracy of test, before testing, the operator must smear vacuum grease between the sample and the cavity to ensure the air tightness of the test circuit, to prevent test gas from leaking from the gap between the sample and the cavity, but manual smearing is required, which makes the operation more complicated. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the shortcomings of the prior art, the utility model provides a gas permeability tester, which has the advantages of convenient smearing of vacuum grease, and solves the problem that the existing gas permeability tester needs to be manually smeared with vacuum grease between the sample and the cavity before testing, which increases the complexity of the operator's operation.

[0006] (ii) technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a gas permeability tester, comprising a main body assembly, the main body assembly comprises:

[0008] The machine body is provided with a lower cavity plate at the top;

[0009] The upper cavity plate is hinged to the lower cavity plate;

[0010] The machine body and the lower cavity plate are provided with a glue applying assembly, and the glue applying assembly comprises:

[0011] The shaft is rotatably connected to the top of the machine body;

[0012] The support plate is fixedly connected to the top of the shaft;

[0013] The electric push rod one is fixedly connected to the bottom surface of the support plate;

[0014] The motor is fixedly connected to the output shaft at the bottom of the electric push rod one;

[0015] Connecting rod, fixedly connected to the motor bottom output shaft;

[0016] Bottom plate, fixedly connected to the connecting rod outer wall;

[0017] Glue bucket, provided on the top of the bottom plate;

[0018] Glue injection pump, through connection on the outer wall of the glue bucket;

[0019] Scraper, provided on the bottom of the glue injection pump output end, the glue injection pump output end penetrates into the scraper;

[0020] Glue injection port, provided on the front wall of the scraper, the top of the glue injection port is through connected with the glue injection pump output end;

[0021] Steering mechanism, provided on the machine body and the rotating shaft.

[0022] Preferably, the steering mechanism comprises:

[0023] Electric push rod two, provided on the top of the machine body;

[0024] Rack, slidingly connected to the top of the machine body, and fixedly connected with the electric push rod two output shaft;

[0025] Gear, fixedly connected to the outer wall of the rotating shaft, and engaged with the rack.

[0026] Preferably, a plurality of groups of glue injection ports are symmetrically provided on the scraper, and the glue injection ports are through connected with the glue injection pump output end.

[0027] Preferably, a sliding block is fixedly connected to the bottom of the rack, and a sliding groove is formed in the top of the machine body, and the sliding block is slidingly connected in the sliding groove.

[0028] Preferably, a connecting rod is inserted on one side of the bottom plate close to the glue injection port, and a silica gel dust sticking roller is arranged on the bottom of the connecting rod.

[0029] Preferably, the scraper is made of silica gel.

[0030] (Three) beneficial effects

[0031] Compared with the prior art, the utility model provides a gas permeability tester, has the following beneficial effects:

[0032] The tester has the advantages that the vacuum grease is conveniently applied, first, the steering mechanism is controlled to rotate the structure at the bottom of the support plate to the upper side of the lower cavity plate, the motor and the glue injection pump are started, the motor drives the bottom plate to rotate clockwise through the connecting rod, the bottom plate drives the scraper connected with the glue barrel at the top to slide on the lower cavity plate, at this time, the glue injection pump delivers the vacuum grease in the glue barrel to the glue injection port, the glue injection port applies the vacuum grease on the surface of the lower cavity plate, and the moving scraper uniformly applies the vacuum grease, and when the motor drives the scraper to rotate one circle, the application of the vacuum grease on the upper surface of the lower cavity plate is completed. The problem that the existing gas permeability tester needs an operator to manually apply the vacuum grease between the sample and the cavity before testing is solved, and the complexity of the operation of the staff is increased. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is a structure schematic view of the utility model;

[0034] Figure 2 It is an enlarged structure schematic view of A in the utility model;

[0035] Figure 3 It is a rotating structure schematic view of the shaft in the utility model;

[0036] Figure 4 It is a disassembled structure schematic view of the connecting rod in the utility model;

[0037] Figure 5 It is a slider and sliding slot structure schematic view in the utility model.

[0038] In the drawing:

[0039] 1, main body assembly;11, machine body;12, lower cavity plate;13, upper cavity plate;

[0040] 2, glue applying assembly;21, shaft;22, electric push rod one;221, support plate;23, motor;231, connecting rod;241, bottom plate;24, glue barrel;25, scraper;251, glue injection pump;26, glue injection port;27, steering mechanism;271, electric push rod two;272, rack;273, gear;274, slider;275, sliding slot;

[0041] 3, silica gel dust sticking roller;31, connecting rod. DETAILED DESCRIPTION

[0042] 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 protection scope of the utility model.

[0043] Embodiment one

[0044] Referring to Figures 1-5 A gas permeability tester, comprising a main body assembly 1, the main body assembly 1 comprising: a body 11, provided with a lower cavity plate 12 at the top; an upper cavity plate 13 hinged to the lower cavity plate 12; the body 11 and the lower cavity plate 12 are provided with a gluing assembly 2, the gluing assembly 2 comprising: a rotating shaft 21 rotatably connected to the top of the body 11; a support plate 221 fixedly connected to the top of the rotating shaft 21; an electric push rod one 22 fixedly connected to the bottom surface of the support plate 221; an electric motor 23 fixedly connected to the output shaft at the bottom of the electric push rod one 22; a connecting rod 231 fixedly connected to the output shaft at the bottom of the electric motor 23; a bottom plate 241 fixedly connected to the outer side wall of the connecting rod 231; a glue barrel 24 provided on the top of the bottom plate 241; a glue injection pump 251 through-connected to the outer side wall of the glue barrel 24; a scraper 25 provided at the bottom of the output end of the glue injection pump 251, the output end of the glue injection pump 251 penetrates into the inside of the scraper 25; a glue injection port 26 provided on the front side wall of the scraper 25, the top of the glue injection port 26 is through-connected with the output end of the glue injection pump 251; a steering mechanism 27 provided on the body 11 and the rotating shaft 21. The steering mechanism 27 comprises: an electric push rod two 271 provided on the top of the body 11; a rack 272 slidingly connected to the top of the body 11 and fixedly connected with the output shaft of the electric push rod two 271; a gear 273 fixedly connected to the outer side wall of the rotating shaft 21 and engaged with the rack 272. A plurality of groups of glue injection ports 26 are symmetrically provided on the scraper 25, and the glue injection ports 26 are all through-connected with the output end of the glue injection pump 251.

[0045] When the vacuum grease needs to be coated on the lower cavity plate 12, the operator first controls the steering mechanism 27 to make the support plate 221 bottom structure driven by the rotating shaft 21 rotate to the upper side of the lower cavity plate 12: the operator controls the electric push rod two 271 to retract, the electric push rod two 271 drives the rack 272 to move to the electric push rod two 271 direction, the rack 272 drives the gear 273 meshed with it to rotate counterclockwise by ninety degrees, at this time the gear 273 drives the rotating shaft 21 to rotate counterclockwise, so that the scraper 25 is located above the lower cavity plate 12, then control the electric push rod one 22 to extend downward, until the scraper 25 is attached to the upper surface of the lower cavity plate 12, start the motor 23 and the glue injection pump 251, the motor 23 drives the bottom plate 241 to rotate clockwise through the connecting rod 231, the bottom plate 241 drives the scraper 25 connected with the glue barrel 24 to slide on the lower cavity plate 12, at this time the glue injection pump 251 delivers the vacuum grease in the glue barrel 24 to the glue injection port 26, the glue injection port 26 applies the vacuum grease to the surface of the lower cavity plate 12, and the moving scraper 25 evenly applies it, when the motor 23 drives the scraper 25 to rotate a circle, the coating of the vacuum grease on the upper surface of the lower cavity plate 12 is completed, then control the electric push rod one 22 to retract, then control the electric push rod two 271 to extend, so that the rotating shaft 21 drives the support plate 221 bottom structure to move out of the top of the lower cavity plate 12. Then carry out the gas transmission rate test: place the pre-processed sample between the upper and lower cavity plates 12 and clamp it. First, the low pressure cavity (lower cavity plate 12) is vacuum treated, and then the whole system is vacuumed. When the specified vacuum degree is reached, the lower cavity plate 12 is closed, a certain pressure test gas is filled into the high pressure cavity (upper cavity plate 13), and a constant pressure difference (adjustable) is ensured on both sides of the sample. In this way, the gas will penetrate from the high pressure side to the low pressure side under the action of the pressure difference gradient. Through the monitoring of the pressure in the low pressure side, the barrier parameters of the tested sample are obtained.

[0046] The plurality of glue injection ports 26 is provided to increase the glue coating area, which facilitates to improve the uniformity of the scraper 25.

[0047] Example two

[0048] According to the basis of example one, the auxiliary function is increased.

[0049] Referring to Figures 1-5 , the bottom of the rack 272 is fixedly connected with a sliding block 274, the top of the machine body 11 is provided with a sliding groove 275, and the sliding block 274 is slidingly connected in the sliding groove 275. The side of the bottom plate 241 close to the glue injection port 26 is inserted with a connecting rod 31, and the bottom of the connecting rod 31 is provided with a silica gel dust roller 3. The scraper 25 is made of silica gel.

[0050] When the rack 272 moves, the rack 272 drives the sliding block 274 to slide in the sliding groove 275, the sliding block 274 guides the movement of the rack 272 with the sliding groove 275, so as to improve the stability of the rack 272 when moving, and make the rotation of the rotating shaft 21 more stable. Before the scraper 25 spreads the vacuum grease, the operator can first not start the glue injection pump 251, and insert the connecting rod 31 at the top of the silica gel dust sticking roller 3 into the slot on the side of the bottom plate 241, and install the silica gel dust sticking roller 3 on the bottom plate 241. At this time, the motor 23 is started, the bottom plate 241 drives the connecting rod 31 and the silica gel dust sticking roller 3 to rotate, the silica gel dust sticking roller 3 cleans the dust on the upper surface of the lower cavity plate 12, avoids the dust from affecting the accuracy of the test result, and after the silica gel dust sticking roller 3 rotates for one circle, the operator stops the motor 23, and pulls out the connecting rod 31 from the bottom plate 241. At this time, the motor 23 and the glue injection pump 251 can be normally started at the same time, so as to realize the effect of rotating and spreading at the same time. The scraper 25 made of silica gel avoids scratching the upper surface of the lower cavity plate 12 when spreading the vacuum grease on the surface of the lower cavity plate 12, so as to affect the accuracy of the test result.

[0051] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A gas permeability tester, comprising a main component (1), wherein the main component (1) comprises: The body (11) has a lower cavity plate (12) on its top. The upper cavity plate (13) is hinged to the lower cavity plate (12); The feature is that: an adhesive application assembly (2) is provided on the body (11) and the lower cavity plate (12), the adhesive application assembly (2) comprising: A rotating shaft (21) is rotatably connected to the top of the body (11); A support plate (221) is fixedly connected to the top of the rotating shaft (21); Electric push rod 1 (22) is fixedly connected to the bottom surface of the support plate (221); The motor (23) is fixedly connected to the bottom output shaft of the electric push rod (22); The connecting rod (231) is fixedly connected to the bottom output shaft of the motor (23); The base plate (241) is fixedly connected to the outer wall of the connecting rod (231); A glue bucket (24) is placed on top of the base plate (241); The glue pump (251) is connected to the outer wall of the glue tank (24); A scraper (25) is disposed at the bottom of the output end of the glue injection pump (251), and the output end of the glue injection pump (251) extends through the interior of the scraper (25); The glue injection port (26) is located on the front side wall of the scraper (25), and the top of the glue injection port (26) is connected to the output end of the glue injection pump (251). Steering mechanism (27) is disposed on the body (11) and the rotating shaft (21).

2. The gas permeability tester according to claim 1, characterized in that: The steering mechanism (27) includes: Electric push rod 2 (271) is located on the top of the body (11); The rack (272) is slidably connected to the top of the body (11) and fixedly connected to the output shaft of the electric push rod (271); The gear (273) is fixedly connected to the outer wall of the rotating shaft (21) and meshes with the rack (272).

3. The gas permeability tester according to claim 2, characterized in that: The scraper (25) is symmetrically provided with multiple sets of glue injection ports (26), and each glue injection port (26) is connected to the output end of the glue injection pump (251).

4. A gas permeability tester according to claim 3, characterized in that: The bottom of the rack (272) is fixedly connected to a slider (274), and the top of the body (11) is provided with a groove (275), and the slider (274) is slidably connected in the groove (275).

5. A gas permeability tester according to claim 4, characterized in that: A connecting rod (31) is inserted into the side of the base plate (241) near the glue injection port (26).

6. A gas permeability tester according to claim 5, characterized in that: The scraper (25) is made of silicone.

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