Leather color fastness testing machine

Abstract

The utility model provides a leather color fastness testing machine, which comprises a bottom plate, a main machine and a placement table, and is characterized in that the main machine is arranged at one end of the bottom plate, an electric control panel is arranged on the main machine, the placement table is arranged at the other end of the bottom plate through a mounting column, a friction arm main body is movably arranged on the main machine, and the friction arm main body is arranged on the placement table. The friction arm body is provided with a fixing cylinder used for fixing felt, the two ends of the containing table are connected with pressing transverse rods through locking screws, each pressing transverse rod comprises a horizontally-arranged sawtooth-shaped anti-skid part and an obliquely-arranged smooth face guiding-in part, the two ends of each pressing transverse rod are further connected with obliquely-arranged elastic auxiliary parts, and the elastic auxiliary parts are connected with the friction arm body. The two elastic auxiliary parts form a splayed structure, and the lower ends of the elastic auxiliary parts exceed the lower surface of the pressing transverse rod.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical technical field relates to a leather colour fastness testing machine. BACKGROUND

[0002] Leather color fastness refers to the ability of leather to maintain its color stability after being subjected to various external factors such as light, friction, sweat, and washing. The quality of color fastness directly affects the service life and appearance of leather products. In order to ensure the quality of leather products, manufacturers usually conduct a series of color fastness tests to evaluate their performance in actual use. These tests include but are not limited to light fastness, friction fastness, sweat fastness, and washing fastness. Through these tests, it can be ensured that the color of leather will not easily fade or transfer under different environmental and usage conditions, thereby ensuring the overall quality of the product and the satisfaction of consumers.

[0003] When the leather color fastness testing machine conducts friction fastness test on leather, the locking screw is used to fix the leather on the placement table by the compression cross bar. However, the placement process of the leather is not convenient, as one hand is needed to place the leather while the other hand is used to manually lift and maintain the position of the compression cross bar. Therefore, it is necessary to design a leather color fastness testing machine. SUMMARY

[0004] The utility model aims at the above-mentioned problem existing in prior art, proposes a leather colour fastness testing machine.

[0005] The utility model discloses a leather colour fastness testing machine, including bottom plate, host computer and placement table, its characterized in that, the host computer installs at bottom plate one end, install electric control panel on the host computer, the placement table installs through the mounting column at bottom plate the other end, the host computer is movably provided with friction arm main part, install the fixed cylinder for fixing felt on the friction arm main part, the both ends of placement table are connected with the compression cross bar through locking screw, the compression cross bar includes the sawtooth type antiskid portion that is horizontally arranged and the smooth surface guide portion that is arranged obliquely, the both ends of compression cross bar are also connected with the obliquely arranged elastic auxiliary part, and two elastic auxiliary parts form the structure of splayed shape, and the lower end of elastic auxiliary part is beyond the lower surface of compression cross bar.

[0006] The lower end of the locking screw is a smooth rod part, and the smooth rod part is also connected with a transverse limiting pin. The middle part of the locking screw is a threaded part. The upper end of the locking screw is an operating part. The placement table is provided with a threaded hole matched with the threaded part.

[0007] The locking screw is a hand screw.

[0008] The fixed cylinder is also provided with a downward water spraying head, the water spraying head is connected with a water tank through a water guide pipe, the water guide pipe is also provided with a water pump, and the water tank is fixed on the main machine.

[0009] The water pump is electrically connected with the electric control panel through a circuit.

[0010] Compared with the prior art, the leather color fastness testing machine has the advantages that:

[0011] In the utility model, the lower end of the locking screw is a smooth rod part, the middle part is a threaded part, when the threaded part is threadedly connected with the threaded hole, the pressing cross rod can fix the leather fabric on the placing table, when the threaded part is separated from the threaded hole, the locking screw can freely move up and down, so that the pressing cross rod is separated from the placing table by a certain distance under the action of the elastic auxiliary part, and thus the leather can be conveniently placed between the placing table and the pressing cross rod. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a plane structure schematic view of the utility model;

[0013] Figure 2 is a three-dimensional structure schematic view of the utility model after removing parts Figure One ;

[0014] Figure 3 is a three-dimensional structure schematic view of the utility model after removing parts Figure Two ;

[0015] Figure 4 is a three-dimensional structure schematic view of the utility model after removing parts Figure Three ;

[0016] In the drawing, 1 is a bottom plate, 2 is a main machine, 3 is a water tank, 4 is a mounting column, 5 is a felt, 6 is a placing table, 7 is a pressing cross rod, 7a is a smooth surface leading-in part, 7b is a sawtooth type anti-skid part, 8 is a water spraying head, 9 is a fixed cylinder, 10 is a friction arm main body, 11 is a water guide pipe, 12 is a water pump, 13 is an electric control panel, 14 is a locking screw, 14a is an operation part, 14b is a threaded part, 14c is a smooth rod part, 14d is a transverse limiting pin, and 15 is an elastic auxiliary part. DETAILED DESCRIPTION

[0017] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0018] For example, Figures 1-4As shown, the leather color fastness tester comprises a base plate 1, a main machine 2 and a placing table 6, the main machine 2 is installed at one end of the base plate 1, an electric control panel 13 is installed on the main machine 2, the placing table 6 is installed at the other end of the base plate 1 through the mounting column 4, the placing table 6 is suspended at the bottom through the mounting column 4, so that the locking screw 14 has greater space for movement; the main machine 2 movably has a friction arm body 10, a fixing cylinder 9 for fixing the felt 5 is installed on the friction arm body 10, in this embodiment, the felt 5 is installed into the fixing cylinder 9, the friction arm body 10 is driven by the main machine 2 to move back and forth, the leather on the placing table 6 is subjected to the friction color fastness test, which is the prior art; the two ends of the placing table 6 are connected with the pressing cross bars 7 through the locking screws 14, the pressing cross bar 7 comprises a sawtooth anti-skid 7b part arranged horizontally and a smooth guide part 7a arranged obliquely, by adopting the structure, the smooth guide part 7a can play a certain guiding role, the leather can be more conveniently placed between the pressing cross bar 7 and the placing table 6, by the sawtooth anti-skid 7b part, the friction between the pressing cross bar 7 and the placing table 6 can be increased, so that the locking screw 14 does not need a large tightening force, and the leather can be firmly fixed on the placing table 6; the two ends of the pressing cross bar 7 are also connected with the elastic auxiliary parts 15 arranged obliquely, and the two elastic auxiliary parts 15 form a spade shape structure, the lower end of the elastic auxiliary part 15 exceeds the lower surface of the pressing cross bar 7, in this embodiment, when the pressing cross bar 7 is not subjected to external force, the elastic auxiliary part 15 can lift the pressing cross bar 7 upward and separate from the placing table 6.

[0019] The lower end of the locking screw 14 is a smooth rod part 14c, the smooth rod part 14c is also connected with a transverse limiting pin 14d, the middle part of the locking screw 14 is a threaded part 14b, the upper end of the locking screw 14 is an operation part 14a, the placing table 6 is provided with a threaded hole matched with the threaded part 14b, specifically: the locking screw 14 is a hand screw, in this embodiment, the locking screw 14 is an existing product that can be bought on the market.

[0020] The fixing cylinder 9 is also installed with a downward water spraying head 8, the water spraying head 8 is connected with the water tank 3 through the water guide pipe 11, the water guide pipe 11 is also provided with the water pump 12, the water tank 3 is fixed on the main machine 2, by adopting the structure, when water spraying is needed, the water spraying head 8 sprays water to the surface of the leather, so that the leather can be subjected to the color fastness test under wet friction.

[0021] The water pump 12 is electrically connected with the electric control panel 13 through a circuit, which is the prior art, and the circuit and the like do not need to be redesigned.

[0022] The utility model discloses a locking screw 14 lower end is the light pole department 14c, and the middle part is the screw portion 14b, when the screw portion 14b is connected with the screw hole thread, and the leather fabric can be fixed on the placing table 6 with the compression cross bar 7, and when the screw portion 14b is separated from the screw hole, the locking screw 14 can be freely up and down activity, thereby under the action of the elastic auxiliary part 15, make the compression cross bar 7 with the placing table 6 and leave certain distance, thereby can conveniently put the leather into the placing table 6 and the compression cross bar 7 between, and under the action of the transverse limit pin 14d, the locking screw 14 will not be separated from the placing plate.

[0023] The above components are all general standard components or components known to those skilled in the art, and their structures and principles can be known by those skilled in the art through technical manuals or through conventional experimental methods.

[0024] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the range defined by the appended claims.

Claims

1. A leather color fastness testing machine, comprising a base plate (1), a main unit (2), and a placement table (6), characterized in that, The host (2) is installed at one end of the base plate (1). An electric control panel (13) is installed on the host (2). The placement platform (6) is installed at the other end of the base plate (1) via a mounting column (4). A friction arm body (10) is movably arranged on the host (2). A fixing cylinder (9) for fixing the felt (5) is installed on the friction arm body (10). Both ends of the placement platform (6) are connected to a pressing crossbar (7) via locking screws (14). The pressing crossbar (7) includes a horizontally arranged sawtooth anti-slip (7b) part and an inclined smooth guide part (7a). Both ends of the pressing crossbar (7) are also connected to an inclined elastic auxiliary part (15), and the two elastic auxiliary parts (15) form a figure-eight structure. The lower end of the elastic auxiliary part (15) extends beyond the lower surface of the pressing crossbar (7).

2. The leather color fastness testing machine according to claim 1, characterized in that, The lower end of the locking screw (14) is a smooth rod (14c), and a transverse limiting pin (14d) is connected to the smooth rod (14c). The middle part of the locking screw (14) is a threaded part (14b), and the upper end of the locking screw (14) is an operating part (14a). The placement platform (6) is provided with a threaded hole that matches the threaded part (14b).

3. The leather color fastness testing machine according to claim 1, characterized in that, The locking screw (14) is a hand-tightening component.

4. The leather color fastness testing machine according to claim 1, characterized in that, The fixed cylinder (9) is also equipped with a downward-facing spray head (8), which is connected to the water tank (3) through a water guide pipe (11). The water guide pipe (11) is also equipped with a water pump (12), and the water tank (3) is fixed on the main unit (2).

5. A leather color fastness testing machine according to claim 4, characterized in that, The water pump (12) is electrically connected to the electrical control panel (13) via a line.

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