Leather cutting machine

Abstract

The utility model belongs to the technical field of leather cutting, and particularly relates to a leather cutting machine which comprises a main plate. An auxiliary cutting device is mounted on the main plate; a hydraulic cylinder is mounted at the top of the supporting frame; mounting grooves are formed in the two ends of the top of the connecting seat; the end part of the mounting rod is fixedly connected with a mounting frame; a movable frame is mounted outside the sections of the bidirectional screw rod and the sliding rod; a scraping plate is mounted at the bottom of the moving frame through a telescopic plate; rolling wheels are mounted on the vertical surfaces of the two sides of the scraping plate through pin shafts; a first sliding block is mounted in the first sliding cavity; the bottom of the first sliding block is fixedly connected with a fixed seat; a second sliding block is mounted in the second sliding cavity; the bottom of the second sliding block is fixedly connected with a cutting tool. And through the action of the auxiliary cutting device, the effect of rapidly replacing the cutting assembly is achieved, the to-be-cut area of the leather is bulldozed, and the quality of subsequent cutting operation is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of leather cutting, in particular to a leather cutting machine. Background Art

[0002] In the production and processing of leather for covering door panel armrests, a leather cutting machine is needed for cooperation to achieve smooth cutting of the leather.

[0003] A Chinese patent with the publication number CN214300202U discloses a leather cutting machine, which is applied in the field of cutting machines and solves the technical problem that the material of the leather is relatively hard, and when the cutting knife passes over the leather, it is easy to generate a pulling force on the leather, causing the leather to deform during the cutting process and affecting the product quality. The key points of its technical solution are a leather cutting machine, which is characterized in that it includes a processing table, a bracket is arranged on the processing table, a cylinder is arranged on the bracket, the piston rod of the cylinder is arranged vertically downward, the end of the piston rod is connected with a cutting device, and a cutting knife bar is arranged on the lower end surface of the cutting device; the technical effect is to prevent the leather from being subjected to a pulling force during cutting and ensure the quality of the product.

[0004] When the above leather cutting machine is in use, there will be a phenomenon that the leather is not laid flat. Once the leather is wrinkled, it will lead to the failure of the cutting operation, increase the generation amount of waste materials, cause unnecessary losses, and for cutting operations of different shapes, the replacement of the cutting tool is relatively cumbersome, affecting the efficiency of the cutting operation; therefore, a leather cutting machine is proposed for the above problems. Summary of the Utility Model

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems in leather cutting, the utility model proposes a leather cutting machine.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a leather cutting machine described in the utility model includes a main board; a conveyor belt is installed inside the structural cavity of the main board; a driving motor is installed on the board body of the main board; the driving motor acts on the conveyor belt; an auxiliary cutting device is installed on the main board; the auxiliary cutting device includes a support frame; the support frame is fixedly connected to the board body of the main board; a hydraulic cylinder is installed on the top of the support frame; a connecting seat is installed on the rod body at the bottom of the hydraulic cylinder; installation grooves are respectively opened at both ends of the top of the connecting seat; installation rods are installed inside the installation grooves; installation frames are fixedly connected to the ends of the installation rods.

[0007] A moving cavity is provided at the bottom of the frame bodies on both sides of the mounting frame; a bidirectional lead screw is installed inside the structural cavity on one side of the moving cavity; a slide bar is installed inside the structural cavity on the other side of the moving cavity; a moving frame is installed outside the cross-sections of the bidirectional lead screw and the slide bar; a scraping plate is installed at the bottom of the moving frame through a telescopic plate; rolling wheels are installed on the vertical surfaces on both sides of the scraping plate through pin shafts; the leather material is laid flat on the cutting table surface.

[0008] Preferably, the horizontal plane where the bottom end face of the rolling wheel is located coincides with the horizontal plane where the bottom end face of the scraping plate is located; a small motor is installed on the frame body of the mounting frame; the end of the output shaft of the small motor is connected to the end of the bidirectional lead screw; enabling the moving frame to operate smoothly.

[0009] Preferably, a clamping groove is provided at the bottom of the frame body of the moving frame; a clamping block is installed inside the clamping groove; the bottom of the clamping block is fixedly connected to the top end face of the scraping plate; ensuring the smooth operation of the scraping plate.

[0010] Preferably, a first insertion hole is provided on the outer side surface of the moving frame; the first insertion hole penetrates through the opening space of the clamping groove; a first insertion rod is installed inside the first insertion hole; second insertion holes are symmetrically provided on the structural surfaces at both ends of the seat body of the connecting seat; the second insertion holes penetrate through the opening space of the installation groove; second insertion holes are provided through the rod body of the installation rod; a second insertion rod is installed inside the second insertion holes; enabling the auxiliary cutting device to operate stably.

[0011] Preferably, a first sliding cavity is provided at the central position of the bottom of the connecting seat; a first sliding block is installed inside the first sliding cavity; the bottom of the first sliding block is fixedly connected to a fixed seat; second sliding cavities are provided at equal intervals at the bottom of the fixed seat; a second sliding block is installed inside the second sliding cavity; the bottom of the second sliding block is fixedly connected to a cutting tool; facilitating the rapid replacement of the cutting tool.

[0012] Preferably, a limiting groove is provided at the position of the top of the connecting seat close to the opening of the first sliding cavity; the limiting groove penetrates through the opening space of the first sliding cavity; a limiting plate is installed inside the limiting groove; enabling the cutting tool to operate stably.

[0013] The beneficial effects of the present utility model are as follows:

[0014] Through the structural design of the auxiliary cutting device, the present utility model utilizes the second sliding block to push the cutting tool into the interior of the second sliding cavity, and inserts the fixed seat into the interior of the first sliding cavity through the first sliding block, achieving the effect of quickly replacing the cutting assembly. The leather material to be cut is transported to the working range of the cutting tool through the conveyor belt. The hydraulic cylinder on the support frame is started, and the mounting frame and the cutting tool move downward, making the rolling wheel contact the leather material. The small motor is started, the bidirectional lead screw rotates, and under the cooperation of the sliding rod and the rolling wheel, the moving frame drives the scraper to move towards both ends, achieving the flattening of the area to be cut of the leather material and ensuring the quality of subsequent cutting operations. After the leather material is flattened, the hydraulic cylinder continues to operate, and with the cooperation of the telescopic plate, the bottom of the scraper tightly presses on the top of the leather material, and the cutting tool moves downward to smoothly cut the leather material. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 is a three-dimensional structural schematic diagram;

[0017] Figure 2 is a structural schematic diagram of the connecting seat;

[0018] Figure 3 is a structural schematic diagram of the mounting frame;

[0019] Figure 4 is a structural schematic diagram of the scraper;

[0020] Figure 5 is a structural schematic diagram of the component for easy replacement.

[0021] In the figure: 1, main board; 2, conveyor belt; 3, drive motor; 401, support frame; 402, hydraulic cylinder; 403, connecting seat; 404, mounting groove; 405, mounting rod; 406, mounting frame; 407, moving cavity; 408, bidirectional lead screw; 409, sliding rod; 410, moving frame; 411, scraper; 412, rolling wheel; 413, card slot; 414, card block; 415, first jack; 416, first plug rod; 417, second jack; 418, second plug rod; 419, small motor; 501, first sliding cavity; 502, first sliding block; 503, fixed seat; 504, second sliding cavity; 505, second sliding block; 506, cutting tool; 507, limiting groove; 508, limiting plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-5 As shown in the figure, a leather cutting machine includes a main board 1; a conveyor belt 2 is installed inside the structural cavity of the main board 1; a driving motor 3 is installed on the board body of the main board 1; the driving motor 3 acts on the conveyor belt 2; an auxiliary cutting device is installed on the main board 1; the auxiliary cutting device includes a support frame 401; the support frame 401 is fixedly connected to the board body of the main board 1; a hydraulic cylinder 402 is installed at the top of the support frame 401; a connecting seat 403 is installed on the rod body at the bottom of the hydraulic cylinder 402; mounting grooves 404 are opened at both ends of the top of the connecting seat 403; mounting rods 405 are installed inside the mounting grooves 404; mounting frames 406 are fixedly connected to the ends of the mounting rods 405;

[0024] Moving cavities 407 are opened at the bottoms of the side frames of the mounting frame 406; a bidirectional lead screw 408 is installed inside the structural cavity on one side of the moving cavity 407; a sliding rod 409 is installed inside the structural cavity on the other side of the moving cavity 407; a moving frame 410 is installed outside the cross-sections of the bidirectional lead screw 408 and the sliding rod 409; a scraping plate 411 is installed at the bottom of the moving frame 410 through a telescopic plate; rolling wheels 412 are installed on the vertical surfaces on both sides of the scraping plate 411 through pins; the horizontal plane where the bottom end surface of the rolling wheel 412 is located coincides with the horizontal plane where the bottom end surface of the scraping plate 411 is located; a small motor 419 is installed on the frame of the mounting frame 406; the end of the output shaft of the small motor 419 is connected to the end of the bidirectional lead screw 408; a clamping groove 413 is opened at the bottom of the frame of the moving frame 410; a clamping block 414 is installed inside the clamping groove 413; the bottom of the clamping block 414 is fixedly connected to the top end surface of the scraping plate 411; a first jack 415 is opened on the outer side surface of the moving frame 410; the first jack 415 penetrates through the opening space of the clamping groove 413; a first plug rod 416 is installed inside the first jack 415; second jacks 417 are symmetrically opened on the structural surfaces at both ends of the seat body of the connecting seat 403; the second jacks 417 penetrate through the opening space of the mounting groove 404; the second jacks 417 penetrate through the rod body of the mounting rod 405; second plug rods 418 are installed inside the second jacks 417;

[0025] During operation, in the production and processing of the leather covering for the door panel armrest, it is necessary to use a leather cutting machine for cooperation to achieve smooth cutting of the leather. When the existing leather cutting machine is in use, there will be a phenomenon that the leather is not laid flat. Once the leather wrinkles, it will lead to the failure of the cutting operation, increasing the generation of waste materials and causing unnecessary losses. Moreover, for cutting operations of different shapes, the replacement of the cutting tool is rather cumbersome, affecting the efficiency of the cutting operation. This application conducts the operation through an auxiliary cutting device. The scraper 411 is pushed into the inside of the card slot 413 by the clamping block 414, and the first insertion rod 416 is inserted into the inside of the first insertion hole 415. Subsequently, the mounting frame 406 is installed on the connecting seat 403 by the mounting rod 405, and the second insertion rod 418 is inserted into the inside of the second insertion hole 417, ensuring the stable operation of the mounting frame 406. The leather to be cut is transported to the working range of the cutting tool 506 through the conveyor belt 2. The hydraulic cylinder 402 on the support frame 401 is started, and the mounting frame 406 and the cutting tool 506 move downward, so that the rolling wheel 412 contacts the leather. The small motor 419 is started, the bidirectional lead screw 408 rotates, and under the cooperation of the sliding rod 409 and the rolling wheel 412, the moving frame 410 drives the scraper 411 to move towards both ends, achieving the effect of flattening the area of the leather to be cut and ensuring the quality of subsequent cutting operations. After the leather is flattened, the hydraulic cylinder 402 continues to operate. With the cooperation of the telescopic plate, the bottom of the scraper 411 tightly presses on the top of the leather, and the cutting tool 506 moves downward to achieve smooth cutting of the leather.

[0026] Please refer to Figure 2 , 5 As shown in the figure, a first sliding cavity 501 is opened at the central position of the bottom of the connecting seat 403; a first sliding block 502 is installed inside the first sliding cavity 501; a fixed seat 503 is fixedly connected to the bottom of the first sliding block 502; a second sliding cavity 504 is equidistantly opened at the bottom of the fixed seat 503; a second sliding block 505 is installed inside the second sliding cavity 504; a cutting tool 506 is fixedly connected to the bottom of the second sliding block 505; a limiting groove 507 is opened at the position of the top of the connecting seat 403 close to the opening of the first sliding cavity 501; the limiting groove 507 penetrates through the opening space of the first sliding cavity 501; a limiting plate 508 is installed inside the limiting groove 507;

[0027] During operation, before the cutting operation of the leather, a suitable cutting tool 506 is selected. The cutting tool 506 is pushed into the inside of the second sliding cavity 504 by the second sliding block 505, and the fixed seat 503 is inserted into the inside of the first sliding cavity 501 through the first sliding block 502. Then, the limiting plate 508 is inserted into the inside of the limiting groove 507, ensuring the stable operation of the tool and achieving the effect of quickly replacing the cutting component.

[0028] Working principle: During the production and processing of the leather wrapping for the door panel armrest, a leather cutting machine is required for cooperation to achieve smooth cutting of the leather. When the existing leather cutting machine is in use, there is a phenomenon that the leather is not laid flat. Once the leather is wrinkled, it will lead to the failure of the cutting operation, increasing the generation of waste materials and causing unnecessary losses. Moreover, for cutting operations of different shapes, the replacement of the cutting tool is rather cumbersome, affecting the efficiency of the cutting operation. In this application, the operation is carried out through an auxiliary cutting device. A suitable cutting tool 506 is selected, and the cutting tool 506 is pushed into the interior of the second sliding cavity 504 by the second sliding block 505, and the fixing seat 503 is inserted into the interior of the first sliding cavity 501 by the first sliding block 502. Then, the limiting plate 508 is inserted into the limiting groove 507 to ensure the stable operation of the tool and achieve the effect of quickly replacing the cutting component. Then, the scraper 411 is pushed into the clamping groove 413 by the clamping block 414, and the first insertion rod 416 is inserted into the first insertion hole 415. Subsequently, the mounting frame 406 is installed on the connecting seat 403 by the mounting rod 405, and the second insertion rod 418 is inserted into the second insertion hole 417 to ensure the stable operation of the mounting frame 406. The leather to be cut is transported to the working range of the cutting tool 506 through the conveyor belt 2. The hydraulic cylinder 402 on the support frame 401 is started, and the mounting frame 406 and the cutting tool 506 move downward, causing the rolling wheels 412 to contact the leather. The small motor 419 is started, and the bidirectional lead screw 408 rotates. With the cooperation of the sliding rod 409 and the rolling wheels 412, the moving frame 410 drives the scraper 411 to move towards both ends, flattening the area of the leather to be cut and ensuring the quality of the subsequent cutting operation. After the leather is flattened, the hydraulic cylinder 402 continues to operate. With the cooperation of the telescopic plate, the bottom of the scraper 411 tightly presses on the top of the leather, and the cutting tool 506 moves downward to achieve smooth cutting of the leather.

[0029] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0030] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A leather cutting machine, comprising a main board (1); a conveyor belt (2) is installed inside the structural cavity of the main board (1); a driving motor (3) is installed on the body of the main board (1); the driving motor (3) acts on the conveyor belt (2); an auxiliary cutting device is installed on the main board (1); the characteristics are: The auxiliary cutting device comprises a support frame (401); the support frame (401) is fixedly connected to the plate body of the main board (1); a hydraulic cylinder (402) is installed on the top of the support frame (401); a connecting seat (403) is installed on the rod body at the bottom of the hydraulic cylinder (402); mounting grooves (404) are provided at both ends of the top of the connecting seat (403); a mounting rod (405) is installed inside the mounting groove (404); and a mounting frame (406) is fixedly connected to the end of the mounting rod (405); A movable cavity (407) is provided at the bottom of the frame body on both sides of the mounting frame (406); a bidirectional screw rod (408) is installed inside the structural cavity on one side of the movable cavity (407); a sliding rod (409) is installed inside the structural cavity on the other side of the movable cavity (407); a movable frame (410) is installed outside the cross section of the bidirectional screw rod (408) and the sliding rod (409); a scraper (411) is installed at the bottom of the movable frame (410) through a telescopic plate; and rolling wheels (412) are installed on the vertical surfaces on both sides of the scraper (411) through pin shafts.

2. A leather cutting machine according to claim 1, characterized in that: The horizontal plane where the bottom end surface of the rolling wheel (412) is located coincides with the horizontal plane where the bottom end surface of the scraper (411) is located; a small motor (419) is installed on the body of the mounting frame (406); the output shaft end of the small motor (419) is connected to the end of the bidirectional screw rod (408).

3. A leather cutting machine according to claim 2, characterized in that: A card slot (413) is provided at the bottom of the frame of the movable frame (410); a card block (414) is installed inside the card slot (413); and the bottom of the card block (414) is fixedly connected to the top end surface of the scraper (411).

4. A leather cutting machine according to claim 3, characterized in that: A first plug hole (415) is provided on the outer surface of the movable frame (410); the first plug hole (415) passes through the space provided by the card slot (413); a first plug rod (416) is installed inside the first plug hole (415); second plug holes (417) are symmetrically provided on the structural surfaces at both ends of the seat body of the connecting seat (403); the second plug hole (417) passes through the space provided by the installation slot (404); a second plug hole (417) is provided on the rod body of the installation rod (405); and a second plug rod (418) is installed inside the second plug hole (417).

5. A leather cutting machine according to claim 4, characterized in that: A first sliding cavity (501) is provided at the central position of the bottom of the connecting seat (403); a first sliding block (502) is installed inside the first sliding cavity (501); a fixed seat (503) is fixedly connected to the bottom of the first sliding block (502); second sliding cavities (504) are equidistantly provided at the bottom of the fixed seat (503); a second sliding block (505) is installed inside the second sliding cavity (504); a cutting tool (506) is fixedly connected to the bottom of the second sliding block (505).

6. A leather cutting machine according to claim 5, characterized in that: A limiting groove (507) is provided at the top of the connection seat (403) near the opening of the first sliding cavity (501); the limiting groove (507) passes through the opening space of the first sliding cavity (501); and a limiting plate (508) is installed inside the limiting groove (507).

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