Leather cutting device for sofa production and processing

Abstract

The utility model relates to a leather cutting device, in particular to a leather cutting device for sofa production and processing, which comprises a vertical plate, a conveyor belt, cutting equipment, an n-shaped frame and the like, an n-shaped frame is arranged at the tops of the two vertical plates in a sliding mode, cutting equipment used for cutting leather is arranged on the n-shaped frame in a sliding mode, and a conveying belt used for conveying the leather to the cutting equipment to be cut is arranged between the two vertical plates. The upper pressing roller moves towards the lower pressing roller under the action of the elastic force of the elastic piece, when the leather is pulled to move, huge friction force is generated between the leather and the contact face of the upper pressing roller and the contact face of the lower pressing roller, the upper pressing roller and the lower pressing roller rotate under the action of the friction force, and therefore the leather is pulled. Under the extrusion friction action of the upper pressing roller and the lower pressing roller, when the leather moves relatively, the wrinkles of the leather are smoothed by the upper pressing roller and the lower pressing roller.

Description

Technical Field

[0001] The utility model relates to a leather cutting device, in particular to a leather cutting device for sofa production and processing. Background Art

[0002] In sofa production, leather stitching is an important part of sofa manufacturing, which involves sewing multiple pieces of leather together to create a furniture surface that is both beautiful and durable. Before leather stitching, the leather needs to be cut and trimmed according to preset specifications and shapes.

[0003] Cutting leather into preset specifications and shapes was once done manually, which has the defect of low efficiency. There are also leather cutting equipment on the market, which can improve efficiency by cutting leather. However, when cutting the leather, the operator is required to smooth the leather, especially the wrinkles, and then cut the leather through the cutting equipment. This operation method requires multiple people to straighten and smooth the leather, and still has the defect of low efficiency.

[0004] Based on this, it is necessary to design a leather cutting device for sofa production and processing with the function of smoothing the leather, so as to cut the leather into preset specifications and shapes, providing convenience for subsequent splicing. Utility Model Content

[0005] The technical implementation scheme of the utility model is: a leather cutting device for sofa production and processing, including a vertical plate, a conveyor belt, a cutting device, an n-shaped frame, a support seat, an upper pressure roller, a lower pressure roller and an elastic member, an n-shaped frame is slidably arranged on the top of the two vertical plates, a cutting device for cutting leather is slidably arranged on the n-shaped frame, a conveyor belt for conveying the leather to the cutting device for cutting is arranged between the two vertical plates, a support seat is arranged at the end of one end of the vertical plate, an upper pressure roller and a lower pressure roller are rotatably arranged in parallel between the two support seats, wherein the upper pressure roller can be lifted and lowered along the inner cavity of the support seat, and an elastic member is arranged between the inner cavity of the support seat and the upper pressure roller.

[0006] Optionally, the lower pressure roller is flush with the conveyor belt.

[0007] Optionally, it also includes a first slider, a telescopic rod, a scanning device, a horizontal frame and a second slider. The first slider is slidably installed on the vertical plate, the telescopic rod is installed on the first slider, the movable ends of the two telescopic rods are commonly connected to the horizontal frame, the second slider is slidably connected to the horizontal frame, and the scanning device is connected to the bottom of the second slider.

[0008] Optionally, the cutting device is symmetrically provided with telescopic pressing rods on both sides centered on the cutting blade, and the pressing ends of the telescopic pressing rods are in contact with and cooperate with the conveyor belt.

[0009] Optionally, a material receiving box is commonly provided at one end of the two vertical plates away from the supporting seat.

[0010] Optionally, the height of the material receiving box is lower than the height of the conveyor belt.

[0011] The utility model has the following advantages: the upper pressing roller moves in the direction of the lower pressing roller under the action of the elastic force of the elastic member, and the leather between the upper pressing roller and the lower pressing roller is clamped by the common squeezing force of the upper pressing roller and the lower pressing roller; when the leather is pulled to move, a huge friction force is generated between the leather and the contact surfaces of the upper pressing roller and the lower pressing roller; under the action of the friction force, the upper pressing roller and the lower pressing roller rotate, thereby the leather is pulled; under the squeezing and friction action of the upper pressing roller and the lower pressing roller, when the leather moves relatively, the wrinkles of the leather are smoothed by the upper pressing roller and the lower pressing roller, thereby providing convenience for cutting the leather into preset shapes and specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is a three-dimensional structural schematic diagram of the support seat, the upper pressure roller, the lower pressure roller and the elastic member of the utility model.

[0014] Figure 3 It is a three-dimensional structural schematic diagram of components such as a vertical plate, a first sliding block, a telescopic rod and a horizontal frame of the utility model.

[0015] Figure 4 It is a three-dimensional structural schematic diagram of components such as an n-shaped frame, a cutting device and a material receiving box of the utility model.

[0016] The meanings of the reference numerals in the figure are as follows: 1: conveyor belt, 2: cutting equipment, 21: n-shaped frame, 3: man-machine control panel, 4: support seat, 5: upper pressure roller, 51: lower pressure roller, 6: elastic member, 7: vertical plate, 8: first slider, 9: telescopic rod, 10: scanning equipment, 11: horizontal frame, 12: second slider, 13: telescopic lower pressure rod, 14: material receiving box. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail with reference to the accompanying drawings. It is hereby stated that the directional words such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the utility model are only based on the accompanying drawings of the utility model, and are not specific limitations of the utility model.

[0018] Embodiment: A leather cutting device for sofa production and processing, such as Figure 1 , Figure 2 and Figure 4As shown, it includes a vertical plate 7, a conveyor belt 1, a cutting device 2, an n-shaped frame 21, a human-machine control panel 3, a support seat 4, an upper pressure roller 5, a lower pressure roller 51 and an elastic member 6. The left and right sides of the front and rear vertical plates 7 are rotatably provided with a rotating shaft, and the conveyor belt 1 is arranged between the rotating shafts on the left and right sides. The n-shaped frame 21 is slidably provided on the top of the two vertical plates 7. The cutting device 2 for cutting leather is slidably provided on the n-shaped frame 21. The cutting knife of the cutting device 2 faces the direction of the conveyor belt 1. The cutting device 2 is symmetrically provided with telescopic downward pressure rods 13 on both sides centered on the cutting knife. The downward pressure end of the telescopic downward pressure rod 13 contacts and cooperates with the conveyor belt 1. The leather on the conveyor belt 1 is pressed by the telescopic downward pressure rod 13, which provides convenience for the cutting knife of the cutting device 2 to cut the leather according to the preset instructions, and avoids displacement when the leather is cut. The front side of the n-shaped frame 21 is provided with a useful A man-machine control panel 3 is provided for controlling the cutting device 2 to perform cutting operations. The cutting operation of the cutting device 2 is controlled by the man-machine control panel 3. A support seat 4 is provided at the end of the left end of the vertical plate 7. An upper pressure roller 5 and a lower pressure roller 51 are rotatably provided in parallel between the front and rear support seats 4. The lower pressure roller 51 is flush with the conveyor belt 1 to facilitate the conveying of the leather to the conveyor belt 1. The height of the lower pressure roller 51 can also be higher than the height of the conveyor belt 1. The upper pressure roller 5 can be lifted and lowered along the inner cavity of the support seat 4, and an elastic member 6 is provided between the inner cavity of the support seat 4 and the upper pressure roller 5. The upper end of the elastic member 6 is connected to the inner upper arm of the support seat 4, and the lower end of the elastic member 6 is connected to the arc block rotatably mounted on the upper pressure roller 5. The elastic member 6 is a rubber member or a metal spring with elastic properties. As a preferred embodiment, the elastic member 6 described in this embodiment is a metal spring, and the initial state is as follows Figure 2 As shown, under the action of the elastic force of the elastic member 6, the initial states of the upper pressing roller 5 and the lower pressing roller 51 are as follows Figure 2 shown.

[0019] like Figure 1 and Figure 3 As shown, it also includes a first slider 8, a telescopic rod 9, a scanning device 10, a horizontal frame 11 and a second slider 12. The first slider 8 is slidably installed on the vertical plate 7, and the telescopic rod 9 is installed on the first slider 8. The movable ends of the two telescopic rods 9 are commonly connected to the horizontal frame 11, and the second slider 12 is slidably connected to the horizontal frame 11. The bottom of the second slider 12 is connected to the scanning device 10. The scanning device 10 can perform 360-degree rotation scanning. The height of the scanning device 10 is adjusted by the telescopic rod 9 to achieve the height of the scanning device 10 being raised or lowered according to the specifications of the leather. The specifications of the leather are scanned to the control system by the scanning device 10. The control system controls the cutting device 2 to cut the leather in combination with the preset specifications or shapes, so as to maximize the use of the leather and avoid leather waste.

[0020] like Figure 1As shown, a material receiving box 14 is commonly provided at the left ends of the two upright plates 7. The height of the material receiving box 14 is lower than the height of the conveyor belt 1. The setting of this height facilitates the collection of the cut leather, thereby achieving the effect of efficiently collecting the leather.

[0021] When in use, the leather to be cut first passes between the upper pressing roller 5 and the lower pressing roller 51. Under the action of the elastic member 6, the upper pressing roller 5 presses the leather downward. At this time, by pulling the leather, the leather moves in the direction of the conveyor belt 1. Since the upper pressing roller 5 presses the leather downward, the leather is closely attached to the lower pressing roller 51. Therefore, when the leather is pulled to make relative movement, a huge friction force is generated between the leather and the contact surface of the upper pressing roller 5 and the lower pressing roller 51. Driven by the friction force, the upper pressing roller 5 and the lower pressing roller 51 rotate. Through the cooperation of the upper pressing roller 5 and the lower pressing roller 51, the leather is straightened, thereby smoothing its wrinkles; the leather is scanned by the scanning device 10, and the scanning device 10 transmits the specifications of the leather to the control system. The control system controls the cutting device 2 to cut the leather according to the preset trajectory of the system, thereby cutting out the shape required for making a sofa; the telescopic lower pressing rod 13 presses the leather, which facilitates the efficient cutting of the cutting knife in the cutting device 2; in this way, the leather is efficiently cut into the preset specifications and shapes.

[0022] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A leather cutting device for sofa production and processing, comprising a vertical plate (7), a conveyor belt (1), a cutting device (2) and an n-shaped frame (21), wherein the n-shaped frame (21) is slidably arranged on the top of two vertical plates (7), and the cutting device (2) for cutting leather is slidably arranged on the n-shaped frame (21), and a conveyor belt (1) for conveying leather to the cutting device (2) for cutting is arranged between the two vertical plates (7), wherein the characteristics are: It also comprises a support seat (4), an upper pressure roller (5), a lower pressure roller (51) and an elastic member (6); the end of one end of the vertical plate (7) is provided with a support seat (4); an upper pressure roller (5) and a lower pressure roller (51) are rotatably arranged in parallel between the two support seats (4); the upper pressure roller (5) can be lifted and lowered along the inner cavity of the support seat (4); and an elastic member (6) is arranged between the inner cavity of the support seat (4) and the upper pressure roller (5).

2. A leather cutting device for sofa production and processing according to claim 1, characterized in that: The lower pressure roller (51) is flush with the conveyor belt (1).

3. A leather cutting device for sofa production and processing according to claim 2, characterized in that: The invention also comprises a first slider (8), a telescopic rod (9), a scanning device (10), a horizontal frame (11) and a second slider (12); the first slider (8) is slidably mounted on the vertical plate (7); the telescopic rod (9) is mounted on the first slider (8); the movable ends of the two telescopic rods (9) are commonly connected to the horizontal frame (11); the second slider (12) is slidably connected to the horizontal frame (11); and the bottom of the second slider (12) is connected to the scanning device (10).

4. A leather cutting device for sofa production and processing according to claim 3, characterized in that: The cutting device (2) is symmetrically provided with telescopic pressing rods (13) on both sides with the cutting knife as the center, and the pressing ends of the telescopic pressing rods (13) are in contact with and cooperate with the conveyor belt (1).

5. A leather cutting device for sofa production and processing according to claim 4, characterized in that: A material receiving box (14) is commonly provided at one end of the two upright plates (7) away from the supporting seat (4).

6. A leather cutting device for sofa production and processing according to claim 5, characterized in that: The height of the material receiving box (14) is lower than the height of the conveyor belt (1).

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