CN112816397A

CN112816397A - PU leather vulcanization test equipment

Info

Publication number: CN112816397A
Application number: CN202011600854.5A
Authority: CN
Inventors: 周志军; 姜慧; 沈海良; 陈倩; 杜超; 徐一剡; 陈永
Original assignee: Zhejiang Hexin New Material Co ltd
Current assignee: Zhejiang Hexin New Material Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-18

Abstract

The invention discloses PU leather vulcanization testing equipment which comprises a shell, wherein a testing cavity is arranged in the shell, and a feeding hole communicated with the testing cavity is formed in the front side of the shell; a sealing cover which is rotatably connected with the shell is arranged at the feed inlet; an air inlet pipe communicated to the test cavity is arranged at the top of the shell, and a heating module is arranged in the air inlet pipe; the side surface of the shell is also provided with an air inlet and a steam inlet which are communicated to the test cavity; a leather frame is also arranged in the test cavity; according to the invention, the sealing cover is arranged at the feed inlet, so that the testing cavity is ensured to be kept in a high-pressure state during testing; the test cavity is heated by heated air through the air inlet pipe and the heating module arranged in the air inlet pipe, and the air in the test cavity is driven to flow through the air inlet pipe, so that the heating effect is improved; pressurizing the test chamber through an air inlet; through steam inlet, carry out humidity control to the test chamber, guarantee better test environment.

Description

PU leather vulcanization test equipment

Technical Field

The invention relates to the field of leather testing, in particular to PU leather vulcanization testing equipment.

Background

In China, people are used to refer to the artificial leather produced by using PU resin as a raw material as PU artificial leather (PU leather for short); the artificial leather produced by using PU resin and non-woven fabric as raw materials is called PU synthetic leather (synthetic leather for short). The three types of leathers are conventionally referred to collectively as synthetic leather.

The artificial leather is the earliest invented substitute for leather fabric, and is made up by calendering PVC, plasticizer and other assistants on cloth, and its advantages are low cost, rich colour, various patterns and easy hardening and brittleness. The PU synthetic leather is used for replacing PVC artificial leather, and the price of the PU synthetic leather is higher than that of the PVC artificial leather. From the chemical structure, the fabric is closer to leather fabric, and the soft property is achieved without using a plasticizer, so that the fabric is not hardened and embrittled, has the advantages of rich color and various patterns, and is cheaper than the leather fabric, so that the fabric is popular with consumers.

In the production process of PU leather, need carry out the sampling test to the product quality of PU leather, ensure that PU leather is qualified, main test PU leather can appear the fracture under high temperature, high pressure and high humidity environment, phenomenon such as perk skin, current test equipment mainly has oven and pressure cooker, but the oven can the accurate control temperature, but can not the accurate control pressure, can not provide the humidity condition, and the pressure cooker can provide pressure, temperature, but need add water and can not test for a long time during the use, the influence is to the judgement of material.

Based on the situation, the invention provides PU leather vulcanization testing equipment which can effectively solve the problems.

Disclosure of Invention

The invention aims to provide PU leather vulcanization testing equipment. The PU leather vulcanization testing equipment is simple in structure and convenient to use, and the sealing cover is arranged at the feeding port, so that the testing cavity is ensured to be kept in a high-pressure state during testing; the test cavity is heated by heated air through the air inlet pipe and the heating module arranged in the air inlet pipe, and the air in the test cavity is driven to flow through the air inlet pipe, so that the heating effect is improved; pressurizing the test chamber through an air inlet; through steam inlet, carry out humidity control to the test chamber, guarantee better test environment.

The invention is realized by the following technical scheme:

the PU leather vulcanization testing equipment comprises a shell, wherein a testing cavity is arranged in the shell, and a feeding hole communicated with the testing cavity is formed in the front side of the shell; a sealing cover which is rotatably connected with the shell is arranged at the feed inlet; an air inlet pipe communicated to the test cavity is arranged at the top of the shell, and a heating module is arranged in the air inlet pipe; the side surface of the shell is also provided with an air inlet and a steam inlet which are communicated to the test cavity; and a leather frame is also erected in the test cavity.

According to the invention, the sealing cover is arranged at the feed inlet, so that the testing cavity is ensured to be kept in a high-pressure state during testing; the test cavity is heated by heated air through the air inlet pipe and the heating module arranged in the air inlet pipe, and the air in the test cavity is driven to flow through the air inlet pipe, so that the heating effect is improved; pressurizing the test chamber through the air inlet; through steam inlet, it is right test chamber carries out humidity control, guarantees better test environment.

Preferably, the shell is provided with a sealing groove at the feed inlet, and a sealing ring is embedded in the sealing groove; a fixed seat for fixing the sealing cover is arranged on the outer side of the sealing groove, and a plurality of first convex blocks are annularly arranged at the top of the inner side of the fixed seat at equal angles; the shell is also provided with a hinged support which is rotatably connected with the sealing cover on one side of the fixed seat.

Preferably, the sealing cover comprises a cover body embedded in the fixing seat and a connecting piece sleeved on the cover body; one end of the connecting piece is sleeved on the cover body, and the connecting piece is rotatably connected with the cover body; the other end of the connecting piece is rotatably connected with the hinged support.

Preferably, a sealing ring matched with the sealing groove is arranged on the connecting surface of the cover body and the shell; a plurality of second lugs for fixing are annularly arranged on the side surface of the cover body at equal angles; an observation window is arranged in the middle of the shell.

Preferably, the cover body is provided with an arc-shaped rack; the connecting piece is rotatably connected with a gear meshed with the rack, and a rotating rod for driving the trial gear to rotate is arranged on the gear.

Preferably, an air guide disc fixed at the top of the test cavity is further arranged below the air inlet pipe; a filter screen is also arranged in the air inlet pipe.

Preferably, the heating module is a heating pipe, and the heating module is embedded on the pipe wall on the inner side of the air inlet pipe.

Preferably, connecting rods for erecting the leather frame are arranged on two sides in the test cavity; the equal equidistance in both sides of leather frame is equipped with a plurality of frame pieces that are used for erectting on the connecting rod.

Preferably, the fixed seat is further provided with a first sensor; the cover body is provided with a second sensor matched with the first sensor; and the shell is also provided with a barometer for displaying the air pressure value in the test cavity.

Preferably, valves are arranged on the air inlet pipe, the air inlet and the steam inlet.

Compared with the prior art, the invention has the following advantages and beneficial effects:

the PU leather vulcanization testing equipment is simple in structure and convenient to use, and the sealing cover is arranged at the feeding port, so that the testing cavity is ensured to be kept in a high-pressure state during testing; the test cavity is heated by heated air through the air inlet pipe and the heating module arranged in the air inlet pipe, and the air in the test cavity is driven to flow through the air inlet pipe, so that the heating effect is improved; pressurizing the test chamber through an air inlet; through steam inlet, carry out humidity control to the test chamber, guarantee better test environment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic view of the present invention with the connector removed;

FIG. 5 is a schematic view of the present invention with the sealing cap removed;

FIG. 6 is an enlarged view of a portion of the structure shown at A in FIG. 5;

FIG. 7 is a schematic cross-sectional view of the present invention with the seal cap removed;

FIG. 8 is a schematic view of the seal of the present invention;

fig. 9 is a schematic structural view of the leather stand according to the present invention.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 9, a PU leather vulcanization test device comprises a shell 1, wherein a test cavity 2 is arranged in the shell 1, and a feed inlet 11 communicated with the test cavity 2 is arranged at the front side of the shell 1; a sealing cover 3 which is rotatably connected with the shell 1 is arranged at the feed port 11; an air inlet pipe 4 communicated to the test cavity 2 is arranged at the top of the shell 1, and a heating module 5 is arranged in the air inlet pipe 4; the side surface of the shell 1 is also provided with an air inlet 12 and a steam inlet 13 which are communicated to the test cavity 2; a leather frame 6 is also erected in the testing cavity 2.

According to the invention, the sealing cover 3 is arranged at the feed inlet 11, so that the testing cavity 2 is ensured to be kept in a high-pressure state during testing; the test chamber 2 is heated by heated air through the air inlet pipe 4 and the heating module arranged in the air inlet pipe 4, and the air in the test chamber 2 is driven to flow through the air inlet pipe 4, so that the heating effect is improved; pressurizing said test chamber 2 through said air inlet 12; through steam inlet 13, right test chamber 2 carries out humidity control, guarantees better test environment.

The air inlet pipe 4 of the invention can be connected with a blower or other air outlet equipment.

According to the invention, the testing cavity 2 is spherical, and air entering the testing cavity 2 can circularly flow along the spherical interior, so that a better testing effect is ensured.

The invention has the functions of accurate temperature control, pressure control and humidity control by the control of the PLC, and the PLC is also provided with the timer, so that the test time can be accurately controlled, and a better test result can be ensured.

Further, in another embodiment, the casing 1 is provided with a sealing groove 14 at the feed port 11, and a sealing ring is embedded in the sealing groove 14; a fixed seat 15 for fixing the sealing cover 3 is arranged on the outer side of the sealing groove 14, and a plurality of first convex blocks 151 are annularly arranged at the top of the inner side of the fixed seat 15 at equal angles; the shell 1 is further provided with a hinge base 16 rotatably connected with the sealing cover 3 at one side of the fixed base 15.

The sealing performance between the sealing cover 3 and the feed inlet 11 can be better ensured by the sealing groove 14 and the sealing ring, and the sealing ring adopts an inflatable sealing ring, so that the sealing performance between the sealing cover 3 and the feed inlet 11 is better; through the first bump 151, the fixing effect of the sealing cover 3 at the discharge hole 11 is strengthened, and the sealing performance is enhanced.

Further, in another embodiment, the sealing cover 3 includes a cover 31 embedded in the fixing seat 15 and a connecting member 32 sleeved on the cover 31; one end of the connecting piece 32 is sleeved on the cover body 31, and the connecting piece 32 is rotatably connected with the cover body 31; the other end of the link 32 is rotatably connected to the hinge base 16.

Through the connecting piece 32, the opening or closing of the cover body 31 is simpler, and the operation difficulty is reduced.

Further, in another embodiment, a sealing ring 311 matched with the sealing groove 14 is disposed on a connection surface of the cover 31 and the housing 1; a plurality of second protrusions 312 for fixing are annularly arranged on the side surface of the cover 31 at equal angles; the middle of the shell 1 is provided with a viewing window 313.

Through the second projection 312, when the cover 31 is to be closed, the second projection 312 and the first projection 151 are staggered with each other, the cover 31 is rotated after the cover 31 is tightly contacted with the feed port 11, so that the first projection 151 and the second projection 312 are overlapped, and the cover 31 is ensured to be tightly connected with the feed port 11; the condition of the leather during testing can be observed constantly through the observation window 313; through the sealing ring 311 with seal groove 14 and sealing washer cooperation, better assurance sealed lid 3 with better leakproofness between the feed inlet 11.

Further, in another embodiment, an arc-shaped rack 314 is arranged on the cover 31; the connecting piece 32 is rotatably connected with a gear 321 engaged with the rack 314, and the gear 321 is provided with a rotating rod 322 for driving the trial gear to rotate.

Through rack 314 with the gear 321 can be comparatively accurate control the rotation of lid 31, and still be equipped with dwang 322 on the gear 321, the drive that can be more relaxed the rotation of lid 31.

Further, in another embodiment, a wind guide disc 41 fixed at the top of the test chamber 2 is further arranged below the air inlet pipe 4; a filter screen 42 is also arranged in the air inlet pipe 4.

The blown wind can be better dispersed to the periphery through the wind guide plate 41, and the wind is prevented from being excessively concentrated; the filter screen 42 prevents impurities from being blown into the test chamber 2, which could affect the test.

Further, in another embodiment, the heating module 5 is a heating pipe, and the heating module 5 is embedded on the inner side pipe wall of the air inlet pipe 4.

By adopting the heating tube, the air entering the test cavity 2 can be heated more uniformly.

Further, in another embodiment, two sides in the testing chamber 2 are provided with connecting rods 21 for erecting the leather frame 6; the equal equidistance in both sides of leather frame 6 is equipped with a plurality of frame pieces 61 that are used for erectting on connecting rod 21.

The plurality of shelf blocks 61 ensures a good fixing effect of the leather shelf 6 in the test chamber 2, preventing the leather shelf 6 from tilting or tipping over, resulting in invalid test results.

Further, in another embodiment, a first sensor 152 is further disposed on the fixed seat 15; a second sensor 315 matched with the first sensor 152 is arranged on the cover body 31; and the shell 1 is also provided with an air pressure gauge 17 for displaying the air pressure value in the test cavity 2.

The first sensor 152 and the second sensor 315 ensure that the invention can be started after the cover body is closed, thereby improving the safety of the operation of the invention; the air pressure gauge 17 can better display the air pressure in the test cavity 2, and ensure correct test conditions.

Further, in another embodiment, valves are provided on the air inlet pipe 4, the air inlet 12 and the steam inlet 13.

Through the valve, the air inlet pipe 4, the air inlet 12 and the steam inlet 13 are all in a closed state when not in use, and high tightness of the test chamber 2 is ensured.

According to the description of the invention and the attached drawings, the PU leather vulcanization testing equipment of the invention can be easily manufactured or used by the person skilled in the art, and the positive effects recorded in the invention can be generated.

Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.

Claims

1. The utility model provides a PU leather vulcanizes test equipment which characterized in that: the testing device comprises a shell (1), wherein a testing cavity (2) is arranged in the shell (1), and a feeding hole (11) communicated with the testing cavity (2) is formed in the front side of the shell (1); a sealing cover (3) which is rotatably connected with the shell (1) is arranged at the feed port (11); an air inlet pipe (4) communicated to the test cavity (2) is arranged at the top of the shell (1), and a heating module (5) is arranged in the air inlet pipe (4); the side surface of the shell (1) is also provided with an air inlet (12) and a steam inlet (13) which are communicated with the testing cavity (2); a leather frame (6) is also erected in the testing cavity (2);

an air guide disc (41) fixed at the top of the test cavity (2) is also arranged below the air inlet pipe (4); a filter screen (42) is also arranged in the air inlet pipe (4);

the heating module (5) is a heating pipe, and the heating module (5) is embedded on the pipe wall on the inner side of the air inlet pipe (4).

2. The PU leather vulcanization testing equipment of claim 1, wherein: a sealing groove (14) is formed in the feed port (11) of the shell (1), and a sealing ring is embedded in the sealing groove (14); a fixed seat (15) for fixing the sealing cover (3) is arranged on the outer side of the sealing groove (14), and a plurality of first convex blocks (151) are annularly arranged at the top of the inner side of the fixed seat (15) at equal angles; and a hinged support (16) which is rotatably connected with the sealing cover (3) is further arranged on one side of the fixed seat (15) of the shell (1).

3. The PU leather vulcanization test equipment of claim 2, wherein: the sealing cover (3) comprises a cover body (31) embedded in the fixed seat (15) and a connecting piece (32) sleeved on the cover body (31); one end of the connecting piece (32) is sleeved on the cover body (31), and the connecting piece (32) is rotatably connected with the cover body (31); the other end of the connecting piece (32) is rotatably connected with the hinged support (16).

4. The PU leather vulcanization test equipment of claim 3, wherein: a sealing ring (311) matched with the sealing groove (14) is arranged on the connecting surface of the cover body (31) and the shell (1); a plurality of second lugs (312) for fixing are annularly arranged on the side surface of the cover body (31) at equal angles; an observation window (313) is arranged in the middle of the shell (1).

5. The PU leather vulcanization test equipment of claim 4, wherein: an arc-shaped rack (314) is arranged on the cover body (31); the connecting piece (32) is rotatably connected with a gear (321) meshed with the rack (314), and a rotating rod (322) for driving the trial gear to rotate is arranged on the gear (321).

6. The PU leather vulcanization testing equipment of claim 1, wherein: both sides in the test cavity (2) are provided with connecting rods (21) for erecting the leather frame (6); the equal equidistance in both sides of leather frame (6) is equipped with a plurality of frame pieces (61) that are used for erectting on connecting rod (21).

7. The PU leather vulcanization testing equipment of claim 1, wherein: the fixed seat (15) is also provided with a first sensor (152); a second sensor (315) matched with the first sensor (152) is arranged on the cover body (31); and the shell (1) is also provided with a barometer (17) for displaying the air pressure value in the test cavity (2).

8. The PU leather vulcanization testing equipment of claim 1, wherein: valves are arranged on the air inlet pipe (4), the air inlet (12) and the steam inlet (13).