阅读说明：本技术 反应型pu皮革工艺设备及反应型pu皮革的制造方法 (Reaction type PU leather processing equipment and manufacturing method of reaction type PU leather ) 是由 李铭钧 于 2019-01-30 设计创作，主要内容包括：本发明涉及一种反应型PU皮革工艺设备,包含输送装置、抹平构件及料槽,料槽包括位于输送方向上以间隔距离相对设置的第一侧壁及接合部,接合部接合于抹平构件并位在抹平构件及第一侧壁之间,第一侧壁具有在输送方向上自料槽的上部至料槽的下部倾斜形成的斜部,反应型材料为自料槽的进料空间的上进料口进入而沿着第一侧壁顺流而下,并于接近料槽的下部的整个斜部上堆积1cm至5cm后,再透过离型纸的运行自进料空间的下出料口垂流出至离型纸。(The invention relates to reactive PU leather processing equipment, which comprises a conveying device, a floating component and a trough, wherein the trough comprises a first side wall and a joint part which are oppositely arranged at intervals in the conveying direction, the joint part is jointed with the floating component and positioned between the floating component and the first side wall, the first side wall is provided with an inclined part which is formed by inclining from the upper part of the trough to the lower part of the trough in the conveying direction, reactive materials enter from an upper feed inlet of a feeding space of the trough and flow down along the first side wall, and after 1cm to 5cm is accumulated on the whole inclined part close to the lower part of the trough, the reactive materials flow out to the release paper from a lower discharge outlet of the feeding space through the operation of the release paper.)

1. A reactive PU leather processing apparatus, comprising:

the conveying device comprises a driving component and release paper which are connected with each other, the conveying device is provided with an inlet end and an outlet end, and the driving component drives the release paper to move along the conveying direction from the inlet end to the outlet end;

the leveling member is arranged above the release paper along the conveying direction and is positioned between the inlet end and the outlet end; and

a trough disposed above the release paper, the trough having a spacing distance between its bottom and the upper surface of the release paper, the trough being disposed between the inlet end and the leveling member, the trough including a peripheral wall, a joint, an upper inlet, and a lower outlet, the peripheral wall including a second side wall, the first side wall and the joint being positioned in the conveying direction at a spacing distance relative to each other, the joint being joined to the leveling member and positioned between the first side wall and the leveling member, the first side wall having an inclined portion formed by inclining from the upper portion of the trough to the lower portion of the trough in the conveying direction,

the length of the lower discharge port of the feeding space along the width direction of the release paper is not more than the length of the leveling member along the width direction of the release paper, the length of the lower discharge port of the feeding space along the width direction of the release paper is not more than the width of the release paper, and the reactive material enters the feeding space from the upper feed port of the feeding space and flows down along the first side wall, and after 1cm to 5cm is accumulated on the whole inclined part close to the lower part of the trough, the reactive material flows out from the lower discharge port of the feeding space to the release paper through the operation of the release paper and is leveled by the leveling member.

2. The reactive PU leather processing apparatus of claim 1, wherein the length of the troweling member along the width direction of the release paper is greater than the width of the release paper.

3. The reactive PU leather processing apparatus of claim 1, wherein the length of the lower discharge hole along the width direction of the release paper is smaller than the width of the release paper.

4. The reactive PU leather processing apparatus of claim 1, wherein the length of the lower discharge hole along the width direction of the release paper is 150cm to 160 cm.

5. The reactive PU leather processing apparatus of claim 1, wherein the width of the lower discharge hole along the conveying direction of the release paper is 0.3cm to 2 cm.

6. The reactive PU leather processing apparatus of claim 1, wherein the width of the lower discharge hole along the conveying direction of the release paper is 0.5cm to 1 cm.

7. The reactive PU leather process equipment of claim 1, wherein the reactive material is fed from the upper feeding port and flows down along the first sidewall and is deposited by 1.5cm to 2.5cm on the whole inclined portion close to the lower portion of the trough, and then flows vertically to the release paper through the operation of the release paper.

8. The reactive PU leather processing apparatus of claim 1, further comprising a rolling member disposed in the chute in a width direction of the release paper with respect to a position of the reactive material accumulated on the slope, the rolling member being for rolling on the accumulated reactive material.

9. A method of manufacturing PU leather using the reactive PU leather processing apparatus of claim 1, comprising the steps of:

a feeding step of moving a mixing head back and forth along the width direction of the release paper and injecting the reactive material mixed by more than two raw materials into the first side wall of the material tank from an upper feed inlet of the feeding space;

a stacking step of stacking the reaction type material 1cm to 5cm down along the first sidewall of the trough and over the entire slope near the lower portion of the trough;

feeding, namely operating the release paper to enable the reactive material to vertically flow out of a lower discharge port of the feeding space to the release paper; and

and a leveling step, wherein the reaction type material on the release paper is leveled through the leveling component.

10. The method of claim 9, wherein in the step of depositing, the reactive material is deposited over an entire slope near a lower portion of the trough by 1.5cm to 2.5 cm.

Technical Field

The invention relates to leather manufacturing equipment and a leather manufacturing mode, in particular to reactive PU leather processing equipment and a reactive PU leather manufacturing method.

Background

The equipment for manufacturing the reactive Polyurethane (PU) leather comprises release paper, wherein a feeding mechanism is arranged above the release paper, and the feeding mechanism can slide back and forth on the width direction of the release paper while spraying the reactive material to the lower part through a spray nozzle and simultaneously operating the release paper.

The moving direction of the release paper is vertical to the width direction of the release paper, namely the feeding mechanism feeds materials in the direction vertical to the moving direction of the release paper. When the feeding mechanism feeds, the release paper is in operation at the same time, so that the reactive material cannot be uniformly sprayed on the same horizontal position of the release paper, and Z-shaped lines are generated, and another smooth skin layer needs to be manufactured to be combined with the reactive material, so that the process is time-consuming and high in cost.

Disclosure of Invention

Accordingly, the present invention is directed to a reactive PU leather processing apparatus and a method for manufacturing PU leather, which can prevent the leather from generating unexpected lines.

The technical means adopted by the invention to solve the problems of the prior art is to provide a reaction type PU leather processing device, which comprises: the conveying device comprises a driving component and release paper which are connected with each other, the conveying device is provided with an inlet end and an outlet end, and the driving component drives the release paper to move along the conveying direction from the inlet end to the outlet end; the floating component is arranged above the release paper along the conveying direction and is positioned between the inlet end and the outlet end; and a trough disposed above the release paper, a spacing distance is provided between the bottom of the trough and the upper surface of the release paper, the trough is disposed between the inlet end and the troweling member, the trough includes a peripheral wall, a joint portion, an upper feeding port and a lower discharging port, the peripheral wall includes a first side wall, the first side wall and the joint portion are oppositely located in the conveying direction by the spacing distance, the joint portion is joined to the troweling member and located between the first side wall and the troweling member, the first side wall has an inclined portion formed by inclining from the upper portion of the trough to the lower portion of the trough in the conveying direction, wherein a length of the lower discharging port of the feeding space along the width direction of the release paper is not greater than a length of the troweling member along the width direction of the release paper, a length of the lower discharging port of the feeding space along the width direction of the release paper is not greater than a width of the release paper, the reaction type material enters the feeding space from the upper feeding port of the feeding space and flows down along the first side wall, and after 1cm to 5cm are accumulated on the whole inclined part close to the lower part of the trough, the reaction type material flows out from the lower discharging port of the feeding space to the release paper through the operation of the release paper, and is trowelled through the trowelling member.

In the reactive PU leather processing apparatus according to an embodiment of the present invention, a length of the troweling member along a width direction of the release paper is greater than a width of the release paper.

In the reactive PU leather processing apparatus according to an embodiment of the present invention, a length of the lower discharging opening along a width direction of the release paper is smaller than a width of the release paper.

In the reactive PU leather processing apparatus according to an embodiment of the present invention, the length of the lower discharge opening along the width direction of the release paper is 150cm to 160 cm.

In the reactive PU leather processing apparatus according to an embodiment of the present invention, the width of the lower discharging port along the conveying direction of the release paper is 0.3cm to 2 cm.

In the reactive PU leather processing apparatus according to an embodiment of the present invention, the width of the lower discharging port along the conveying direction of the release paper is 0.5cm to 1 cm.

In the reactive PU leather processing apparatus according to an embodiment of the present invention, the reactive material enters from the upper inlet and flows down along the first sidewall, and is deposited by 1.5cm to 2.5cm on the entire inclined portion near the lower portion of the trough, and then flows vertically to the release paper through the operation of the release paper.

In the reactive PU leather processing apparatus according to an embodiment of the present invention, the apparatus further includes a rolling member disposed in the trough along a width direction of the release paper relative to a position of the reactive material deposited on the slope, the rolling member being for rolling on the deposited reactive material.

Another technical means of the present invention to solve the problems of the prior art is to provide a method for manufacturing PU leather using the reactive PU leather processing apparatus, comprising the steps of: a feeding step, wherein the mixing head moves back and forth along the width direction of the release paper, and the reaction type material mixed by more than two raw materials is injected into the first side wall of the material groove from the upper feed opening of the feeding space; a stacking step of stacking the reaction type material down along the first sidewall of the trough and 1cm to 5cm over the entire slope near the lower portion of the trough; a feeding step, wherein the release paper is operated so that the reaction type material flows out from a lower discharge port of the feeding space to the release paper; and a leveling step, wherein the reaction type material on the release paper is leveled through the leveling component.

In the method for manufacturing PU leather according to an embodiment of the present invention, in the accumulating step, the reactive material is accumulated by 1.5cm to 2.5cm over the entire slope portion near the lower portion of the bath.

By adopting the technical means, the reactive material can be conveyed to the release paper in a whole-piece vertical flow mode, and then the reactive material on the release paper is further evenly smoothed by the smoothing component, so that the leather can be prevented from generating unexpected grains. Preferably, the stacking height of the reactive material on the inclined part and the opening size of the lower discharge hole are set according to the running speed of the release paper, so that the reactive material is more evenly distributed on the whole release paper.

Drawings

Fig. 1 is a schematic perspective view showing a reactive type PU leather processing apparatus according to an embodiment of the present invention.

Fig. 2 is an exploded schematic view showing a reactive type PU leather process apparatus according to an embodiment of the present invention.

FIG. 3 is a schematic view showing that the reactive material of the reactive PU leather process apparatus according to the embodiment of the present invention is piled up on the inclined portion to a certain height.

Fig. 4 is a process diagram showing a method for manufacturing reactive PU leather according to an embodiment of the present invention.

Reference numerals

100 reaction type PU leather processing equipment

1 Release paper

2 troweling member

3 trough

31 first side wall

311 oblique part

32 second side wall

33 third side wall

34 upper feed inlet

35 lower discharge port

36 joint part

B inlet end

D1 conveying direction

Width direction of D2

E outlet end

L1 length of discharge outlet

L2 length of troweling member

S feeding space

S1 feeding step

S2 Stacking step

S3 feeding step

S4 floating step

Width of W1 release paper

W2 Width of discharge hole

Width of feed opening on W3

Detailed Description

The following describes an embodiment of the present invention with reference to fig. 1 to 4. The description is not intended to limit the embodiments of the present invention, but is one example of the present invention.

As shown in fig. 1 to 3, a reactive PU leather processing apparatus 100 according to an embodiment of the present invention includes a conveying device, a troweling member 2, and a trough 3.

The conveying device includes a driving member (not shown) and a release paper 1, the conveying device has an inlet end B and an outlet end E, and the driving member drives the release paper 1 to move in a conveying direction D1 from the inlet end B to the outlet end E.

The troweling member 2 is disposed above the release paper 1 along the conveying direction D1, and has a spacing distance from the release paper 1, and the troweling member 2 is located between the inlet end B and the outlet end E.

The trough 3 is disposed above the release paper 1, the bottom of the trough 3 is spaced from the release paper 1 and is located between the inlet end B and the troweling member 2. in this embodiment, the trough 3 is generally a trapezoid with a wide top and a narrow bottom. the trough 3 includes a peripheral wall and a feeding space S formed by the peripheral wall and communicating up and down, the upper portion of the feeding space S has an upper inlet 34 and the lower portion of the feeding space S has a lower outlet 35. the width W3 of the upper inlet 34 is greater than the width W2 of the lower outlet 35. of course, the present invention is not limited thereto, in other embodiments, the width of the upper inlet is equal to the width of the lower outlet, the peripheral wall includes a first side wall 31 located in the conveying direction D1, and two second and third side walls 32 and 33 are aligned in the width direction D2 of the release paper 1. the trough 3 further includes a joint 36, the joint 36 is located in the conveying direction D2 of the first side wall 31 and the joint 36 is formed from the upper portion of the troweling member 31 to the troweling member 27D 3 along the conveying direction D11. the inclined direction of the lower outlet 3635, the lower portion 3623 is not greater than the inclined from the upper portion of the troweling member 3635, the conveying direction 3623, the lower portion of the troweling member 23.

As shown in fig. 1 to 3, the mixing head N ejects a reactive material, which enters the feeding space S from the upper inlet 34 of the feeding space S and flows down along the inclined portion 311 of the first sidewall 31, and after the stacking height h is 1cm to 5cm on the entire inclined portion 311 near the lower portion of the trough 1, the reactive material flows out from the lower outlet 35 of the feeding space S to the release paper 1 through the operation of the release paper 1, and is leveled by the leveling member 2. In this embodiment, the reactive material is a reactive solvent-free material. Preferably, in other embodiments, the reactive material flows vertically to the release paper 1 through the operation of the release paper 1 after the stack height is 1.5cm to 2.5 cm.

Preferably, a length L2 of the troweling member 2 along the width direction D2 of the release paper 1 is greater than a width W1 of the release paper 1, and a length L1 of the lower discharging port 35 along the width direction D2 of the release paper 1 is less than a width W1 of the release paper 1.

In detail, the length L1 of the lower discharging port 35 along the width direction D2 of the release paper 1 is 150cm to 160cm, the width W2 along the conveying direction D1 of the release paper 1 is preferably 0.3cm to 2 cm., and the width W2 of the lower discharging port 35 along the conveying direction D1 of the release paper 1 is preferably 0.5cm to 1 cm.

Preferably, the reactive PU leather processing apparatus 100 further includes a rolling member 4 disposed in the trough 3 along a width direction D2 of the release paper 1 with respect to a position of the reactive material stacked on the slant portion 311, the rolling member 4 being for rolling on the stacked reactive material. In detail, the rolling member 4 is substantially a cylinder, two ends of the rolling member are respectively erected on the second side wall 32 and the third side wall 33, and the distance from the lower discharging opening 35 is at least greater than 1cm, so that the rolling member can roll on the reaction type material stacked to have a certain thickness to maintain the fluidity of the reaction type material, and prevent the reaction type material from hardening and generating bubbles. The rolling elements 4 can be operated in a driving or driven manner. For example, a motor connected to the rolling member 4 may be disposed on the second side wall 32 and the third side wall 33 to make the rolling member 4 actively operate; alternatively, a belt and a roller are externally connected to the rolling member 4 to make the rolling member 4 driven. It is worth mentioning that the diameter of the rolling member 4 is not larger than the horizontal distance between the engaging portion 36 and the first side wall 31 on the same level as the rolling member 4.

As shown in fig. 4, a method for manufacturing PU leather using the reactive PU leather processing apparatus 100 according to an embodiment of the present invention includes a feeding step S1, a stacking step S2, a feeding step S3, and a floating step S4.

In the feeding step S1, in order to make the mixing head move back and forth along the width direction of the release paper, the reactive material is injected into the first sidewall of the trough from the upper feeding opening of the feeding space.

In the stacking step S2, the reaction-type material is stacked by 1cm to 5cm over the entire slope portion near the lower portion of the trough so as to flow down along the first side wall of the trough. Preferably, the reactive material is stacked 1.5cm to 2.5 cm.

In the feeding step S3, the release paper is operated to allow the reactive material to flow out from the lower outlet of the feeding space to the release paper.

In the leveling step S4, the reactive material on the release paper is leveled by the leveling member.

The foregoing description and description are of the preferred embodiments of the present invention only, and other modifications may occur to those skilled in the art from the following descriptions and the appended claims.