Automobile interior leather cutting device

Abstract

The utility model discloses an automotive trim leather cutting device which comprises a cutting machine body, a cutting machine head is arranged on the cutting machine body, a cutting knife seat is arranged at the bottom end of the cutting machine head, a cutting knife is arranged below the cutting knife seat, and a plurality of supporting frames are arranged on the cutting knife seat. The supporting frame comprises a transverse rod and a vertical rod, the upper portion of the supporting frame is fixedly sleeved with a baffle ring, the bottom end of the supporting frame is fixedly provided with a blocking part, the supporting frame is sleeved with a pressing ring piece, the bottom of the pressing ring piece is provided with a plurality of balls, the lower portions of the balls are exposed out of the pressing ring piece, the supporting frame is sleeved with a buffer spring, and the bottom ends of the balls are lower than the cutter. When the cutting device is used for cutting, the pressing ring piece is matched with the balls to abut against the leather material, so that the fabric on the periphery of the cut leather material is flattened and fixed, and the cutting precision and efficiency are high; and when the compression ring piece is matched with the balls to flatten the leather, the balls roll without scraping the leather.

Description

Technical Field

[0001] The utility model belongs to the technical field of leather cutting, and in particular relates to a leather cutting device for automobile interior decoration. Background Art

[0002] The leather industry encompasses core sectors such as tanning, footwear, leather garments, leather goods, fur, and their products, as well as supporting industries such as leather chemicals, leather hardware, leather machinery, and accessories. Its applications are diverse. In the automotive industry, leather is a key component, typically used for interior trim. High-quality interior materials offer enhanced comfort and wear resistance, while also enhancing the vehicle's aesthetics and luxury. Leather cutting is an essential step in leather processing.

[0003] When cutting car interior leather, it is usually placed directly on the cutting machine and the flat leather is cut by the cutting head. Since the car interior leather is very soft, wrinkles are prone to occur when the cutting lacks positioning, which affects the overall cutting accuracy and efficiency. Utility Model Content

[0004] The utility model provides a leather cutting device for automobile interior decoration. During cutting, a pressure ring cooperates with a ball to press against the leather material, thereby flattening and fixing the fabric around the cutting, with high cutting precision and high efficiency. The pressure ring cooperates with the ball to flatten the leather, and the ball rolling will not scratch the leather, thereby solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a car interior leather cutting device, comprising a cutting body, a cutting head is provided on the cutting body, a cutting knife seat is provided at the bottom end of the cutting head, a cutting knife is installed below the cutting knife seat, and a plurality of support frames are equally divided on the outer wall of the cutting knife seat; the support frame comprises a cross bar and a vertical bar extending vertically downward from the cross bar, a retaining ring is fixed on the upper part of the support frame, a blocking portion is fixed outward at the bottom end of the support frame, a pressure ring is provided on the outer sleeve of the support frame, a plurality of spaced balls are provided at the bottom of the pressure ring, the lower part of the balls exposes the pressure ring, and a buffer spring is provided on the outer sleeve of the support frame between the retaining ring and the pressure ring, and the bottom end of the balls is lower than the cutting knife.

[0006] Preferably, a plurality of spaced hemispherical ball grooves are provided at the bottom of the pressure ring, the upper part of the ball is located in the ball groove, and a retaining ring is fixed below the pressure ring by screws, and the retaining ring is provided with a hole for exposing the lower part of the ball.

[0007] Preferably, the screws are all countersunk screws.

[0008] Preferably, the blocking parts are all integrally connected with a screw rod, the support frame is provided with a hole for the screw rod to pass through, and the other end of the screw rod is fastened with a nut.

[0009] Preferably, the support frame is made of a high-hardness alloy material, and the outer wall of the vertical rod of the support frame is smooth.

[0010] Preferably, the retaining ring is welded to the outer wall of the support frame.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. During cutting, the pressure ring and the ball bearing will press against the leather material, thereby flattening and fixing the fabric around the cutting, with high cutting accuracy and efficiency.

[0013] 2. When cutting, when the cutting knife moves in all directions, the pressure ring and the ball will move along with it. The pressure ring cooperates with the ball to flatten the leather, and the rolling of the ball will not scratch the leather.

[0014] 3. For fabrics of different thicknesses, the pressure ring can achieve elastic compression. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at point A;

[0017] Figure 3 This is a schematic diagram of the top view of the cutting blade seat, support frame, retaining ring, and pressure ring of the utility model;

[0018] Figure 4 This is a schematic diagram of the top view of the cutting knife seat, support frame, and blocking part of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the pressure ring and ball groove of the utility model when viewed from bottom;

[0020] Figure 6 This is a schematic diagram of the screw, retaining ring, and hole structure as seen from above;

[0021] Figure 7 This is a schematic diagram of the blocking part and screw structure of the utility model.

[0022] In the figure: 1. cutting machine body; 2. cutting machine head; 3. cutting knife seat; 4. cutting knife; 5. support frame; 6. retaining ring; 7. blocking part; 8. pressure ring; 9. ball; 10. buffer spring; 11. ball groove; 12. screw; 13. retaining ring; 14. hole; 15. screw. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-7 The utility model provides a car interior leather cutting device, comprising a cutting body 1, a cutting head 2 is provided on the cutting body 1, a cutting knife seat 3 is provided at the bottom end of the cutting head 2, a cutting knife 4 is installed below the cutting knife seat 3, and a plurality of support frames 5 are equally divided on the outer wall of the cutting knife seat 3; the support frame 5 comprises a cross bar and a vertical bar extending vertically downward from the cross bar, a retaining ring 6 is fixed on the upper part of the support frame 5, a blocking portion 7 is fixed outward at the bottom end of the support frame 5, a pressure ring 8 is provided on the outer sleeve of the support frame 5, a plurality of spaced balls 9 are provided at the bottom of the pressure ring 8, and the lower part of the balls 9 exposes the pressure ring 8, and a buffer spring 10 is provided on the outer sleeve of the support frame 5 between the retaining ring 6 and the pressure ring 8, and the balls 9 The bottom end is lower than the cutting knife 4; when cutting, the leather material is laid flat on the cutting machine body 1, and the cutting knife seat 3 and the cutting knife 4 are driven by the cutting machine head 2 to cut the leather. When cutting, the ball 9 under the pressure ring 8 will press on the leather material, thereby flattening and fixing the fabric around the cutting; and when cutting, when the cutting knife 4 moves in all directions, the pressure ring 8 and the ball 9 will follow the movement, and the pressure ring 8 cooperates with the ball 9 to flatten the leather while the ball 9 rolls without scratching the leather; the pressure ring 8 is blocked by the blocking part 7 at the bottom and squeezed by the buffer spring 10 at the top, so that for fabrics of different thicknesses, the pressure ring 8 can be elastically compressed, so that when cutting the automotive interior leather, the leather will not wrinkle, with high precision and high efficiency.

[0025] Specifically, a plurality of spaced hemispherical ball grooves 11 are provided at the bottom of the pressure ring 8, the upper part of the ball 9 is located in the ball groove 11, and a retaining ring 13 is fixed to the bottom of the pressure ring 8 by a screw 12, and the retaining ring 13 is provided with a hole 14 for the lower part of the ball 9 to be exposed; in this embodiment, the ball 9 can roll in the ball groove 11, which is beneficial for it to follow the cutting knife 4 to move in all directions to flatten the leather fabric. At the same time, the retaining ring 13 can block the ball 9 to prevent it from falling, and the detachable screw 12 facilitates the installation and disassembly of the ball 9.

[0026] Specifically, the screws 12 are all countersunk screws. In this embodiment, the screws 12 are not exposed from the retaining ring 13 and are therefore not easily touched, which is conducive to stable operation. The non-exposed screws 12 also avoid scratching the leather fabric.

[0027] Specifically, the blocking part 7 is integrally connected with a screw 15, the support frame 5 is provided with a hole for the screw 15 to pass through, and the other end of the screw 15 is fastened with a nut; in this embodiment, the blocking part 7 can be disassembled from the support frame 5 by unscrewing the nut, which facilitates the convenient assembly and disassembly of the pressure ring 8 and the buffer spring 10 on the support frame 5.

[0028] Specifically, the support frame 5 is made of high-hardness alloy, and the outer wall of the vertical rod of the support frame 5 is smooth. In this embodiment, the support frame 5 is not easily deformed during use and is more durable and stable. At the same time, the smooth vertical rod is conducive to the cushioning of the pressure ring 8 on the support frame 5.

[0029] Specifically, the retaining ring 6 is welded to the outer wall of the support frame 5 . In this embodiment, the stability of the connection between the retaining ring 6 and the support frame 5 is improved, and the retaining ring 6 is used to improve the overall strength of the support frame 5 .

[0030] In order to facilitate understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in actual process is described in detail below.

[0031] Working principle: When cutting, the leather material is laid flat on the cutting machine body 1, and the cutting head 2 drives the cutting blade seat 3 and the cutting blade 4 to cut the leather. When cutting, the ball 9 under the pressure ring 8 will press on the leather material, thereby flattening and fixing the fabric around the cutting; and when cutting, when the cutting blade 4 moves in all directions, the pressure ring 8 and the ball 9 will follow the movement. While the pressure ring 8 cooperates with the ball 9 to flatten the leather, the ball 9 will not scratch the leather when rolling; the pressure ring 8 is blocked by the blocking part 7 at the bottom and squeezed by the buffer spring 10 at the top, so that for fabrics of different thicknesses, the pressure ring 8 can be elastically compressed, so that when cutting the automotive interior leather, the leather will not wrinkle, with high precision and high efficiency.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A car interior leather cutting device, comprising a cutting body (1), characterized in that: The cutting machine body (1) is provided with a cutting machine head (2), a cutting knife seat (3) is provided at the bottom end of the cutting machine head (2), a cutting knife (4) is installed below the cutting knife seat (3), and a plurality of support frames (5) are equally divided on the outer wall of the cutting knife seat (3); the support frame (5) comprises a cross bar and a vertical bar vertically extending downward from the cross bar, a retaining ring (6) is fixed on the upper part of the support frame (5), a blocking part (7) is fixed outward at the bottom end of the support frame (5), a pressure ring (8) is provided on the outer cover of the support frame (5), a plurality of spaced balls (9) are provided at the bottom of the pressure ring (8), and the lower part of the balls (9) exposes the pressure ring (8), and a buffer spring (10) is provided on the outer cover of the support frame (5) and is located between the retaining ring (6) and the pressure ring (8), and the bottom end of the balls (9) is lower than the cutting knife (4).

2. The automotive interior leather cutting device according to claim 1, characterized in that: The bottom of the pressure ring (8) is provided with a plurality of spaced hemispherical ball grooves (11), the upper part of the ball (9) is located in the ball groove (11), and a retaining ring (13) is fixed below the pressure ring (8) by screws (12), and the retaining ring (13) is provided with a hole (14) for exposing the lower part of the ball (9).

3. The automotive interior leather cutting device according to claim 2, characterized in that: The screws (12) are all countersunk screws.

4. The automotive interior leather cutting device according to claim 1, characterized in that: The blocking parts (7) are all integrally connected with a screw rod (15), the support frame (5) is provided with a hole for the screw rod (15) to pass through, and a nut is fastened to the other end of the screw rod (15).

5. The automotive interior leather cutting device according to claim 1, characterized in that: The support frame (5) is made of a high-hardness alloy material, and the outer wall of the vertical rod of the support frame (5) is smooth.

6. The automotive interior leather cutting device according to claim 1, characterized in that: The retaining ring (6) is welded to the outer wall of the support frame (5).

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