Preparation Equipment and Process of a High Permeability and Wear-Resistant Sofa Leather Base Fabric

Abstract

The present invention discloses a preparation device and process for a highly breathable and wear-resistant sofa leather base cloth, which relates to the field of sofa fabric preparation and solves the problem that the existing wear-resistant sofa leather cloth has a lower preparation efficiency than ordinary leather cloth. It includes a profile frame installed on the side end of the preparation device, and three mounting frames are fixedly installed inside the profile frame. Through the cooperation of the punching mechanism and the cleaning mechanism, the user can directly process and produce the unpunched wear-resistant cloth roll material through the preparation device. When the device and the motor are started, the pressure roller conveys the wear-resistant cloth roll material, and during the conveying process, the annular knife cuts and punches the cloth, so there is no need to prepare the wear-resistant cloth roll material that has been punched in advance. The punching process is directly carried out during the leather cloth preparation process, improving the production efficiency. At the same time, during the punching process, the beating plate can be triggered to intermittently beat the punched cloth, so that some of the remaining materials left inside the cloth are removed.

Description

Technical Field

[0001] The present invention relates to the field of sofa fabric preparation, and specifically to a preparation device and process for a highly breathable and wear-resistant sofa leather base fabric. Background Technique

[0002] The base fabric of leather is generally artificial leather fabric. Now, artificial synthetic leather has largely replaced natural leather with insufficient resources, and the quantity and variety of artificial synthetic leather are beyond the reach of traditional natural leather. In life, sofa leather is basically composite leather fabric, and the highly breathable and wear-resistant composite leather fabric generally consists of a base fabric layer, a breathable fabric layer, and a wear-resistant fabric layer. During the production process of the composite sofa fabric, multiple coil fabrics are pulled and laminated simultaneously, and finally, the composite leather fabric is synthesized.

[0003] Many existing sofa leather fabrics need to achieve a certain air permeability while meeting the wear resistance performance. This leads to the need to pre-punch the wear-resistant fabric before preparing the highly breathable and wear-resistant leather fabric. Only after the punching process can the wear-resistant fabric be used for the subsequent synthesis of the leather fabric, resulting in a longer preparation time for the highly breathable and wear-resistant leather fabric compared to ordinary leather fabric and a lower production efficiency than that of ordinary leather fabric. For this reason, we have proposed a preparation device and process for a highly breathable and wear-resistant sofa leather base fabric. Summary of the Invention

[0004] The purpose of the present invention is to provide a preparation device and process for a highly breathable and wear-resistant sofa leather base fabric that can ensure the production efficiency is not reduced, so as to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A preparation device for a highly breathable and wear-resistant sofa leather base fabric includes a profile frame installed on the side end of the preparation device. Three mounting frames are fixedly installed inside the profile frame, and a base fabric roll, a breathable fabric roll, and a wear-resistant fabric roll are correspondingly and movably installed inside the three mounting frames. The wear-resistant fabric roll is installed at the uppermost end of the profile frame. A guide roller is installed at one end of the profile frame away from the base fabric roll, and both the front and rear ends of the guide roller are movably embedded inside the profile frame; a punching mechanism is installed on the side end of the profile frame, and the punching mechanism can directly punch the base fabric roll during the synthesis process of the leather fabric. A cleaning mechanism for separating the remaining material inside the base fabric roll is installed at the side end of the punching mechanism.

[0007] Preferably, the punching mechanism includes a first support frame fixedly connected to the profile frame body, and the first support frame is distributed at one end far from the wear-resistant cloth coil. A limiting plate is fixedly installed at the upper end of the first support frame, and a motor is fixedly installed at the upper end of the limiting plate. The output end of the motor is installed with a pressure roller through a coupling. A rotating sleeve is fixedly installed on the side of the pressure roller away from the motor. A first limiting seat is movably sleeved on the outer surface of the rotating sleeve, and the first limiting seat is fixedly connected to the limiting plate. The cloth of the wear-resistant cloth coil is placed between the pressure roller and the limiting plate, and the cloth is in active contact with both. Two groups of annular knives arranged in a circumferential array are fixedly installed on the outer surface of the pressure roller. A pushing component is installed inside the pressure roller. When the pressure roller transports the cloth on the wear-resistant cloth coil, the annular knives can cut and squeeze the cloth.

[0008] Preferably, the pushing component includes a cavity opened inside the pressure roller, and the cavity communicates with the annular knife. An active column is movably embedded inside the pressure roller corresponding to each annular knife, and the active column is fitted with the annular knife. A limiting block is fixedly installed inside the pressure roller, and the active column is slidably connected to the limiting block. A second spring is installed at one end of the limiting block close to the cavity. A fixed rod is movably embedded inside the pressure roller, and several groups of cams are fixedly installed on the outer surface of the fixed rod. A second limiting seat is fixedly sleeved on the front outer surface of the fixed rod, and the second limiting seat is fixedly connected to the limiting plate. When the active column extends outwards, part of the remaining material left in the cavity of the annular knife due to cutting can be cleared away.

[0009] Preferably, the cleaning mechanism includes two second support frames fixedly installed on the side end of the profile frame body. A rotating shaft is movably embedded between the two second support frames. A slapping plate is fixedly sleeved on the outer surface of the rotating shaft, and the lower end surface of the slapping plate is in active contact with the cloth. Rotary components are installed at both the front and rear ends of the rotating shaft, and a limiting component is installed between the rotating shaft and the pressure roller. During the operation of the motor, part of the remaining material left in the cloth of the wear-resistant cloth coil can be removed through the rotary component and the limiting component.

[0010] Preferably, the limiting component includes transmission wheels sleeved on the outer surfaces of the output end of the motor, the rotating sleeve, and the rotating shaft. A transmission belt is installed on the outside of the transmission wheels. The transmission wheel is rotatably connected to the rotating shaft and fixedly connected to the output end of the motor and the rotating sleeve. A semi-circular hole groove is opened on the inner side wall of the transmission wheel installed on the outer side of the rotating shaft. A limiting column is movably embedded inside the rotating shaft, and one end of the limiting column away from the rotating shaft is movably fitted with the semi-circular hole groove. A third spring is installed at one end of the limiting column close to the rotating shaft. The motor can drive the rotating shaft to rotate through the transmission wheel and the transmission belt.

[0011] Preferably, the rotary assembly includes rotating rings fixedly sleeved on the outer surfaces of the front and rear ends of the rotating shaft. Fixed blocks are installed at the side ends of the rotating rings, and a first spring is fixedly installed between the fixed blocks and the rotating rings. When the limit post disengages from the inner opening of the semi-circular hole groove, the rotating shaft can be rotated and reset under the action of the first spring.

[0012] Preferably, two sets of clamping plates are fixedly installed inside the profile frame body, and a receiving tray is movably embedded inside the clamping plates. The receiving tray is placed at the lower end of the wear-resistant cloth roll material. A guiding arc plate is attached to the upper end surface of the wear-resistant cloth roll material. A bolt is movably installed inside the guiding arc plate, and the bottom of the bolt is threadedly connected to the receiving tray. The guiding arc plate is placed below the slapping plate. Through the cooperation of the guiding arc plate and the receiving tray, the surplus material can be separated from the cloth of the wear-resistant cloth roll and will not fall on other cloths.

[0013] Preferably, the end of the annular knife away from the pressure roller is in the shape of an inclined cutting edge, and the cloth is cut through the inclined cutting edge to form small holes.

[0014] The technological process of a preparation device for a highly breathable and wear-resistant sofa leather base cloth includes the following steps:

[0015] S1. Cloth placement stage: The base cloth roll material, breathable cloth roll material, and wear-resistant cloth roll material are sequentially installed inside the installation frame from bottom to top. The three groups of cloths are respectively stretched so that the ends of the three groups of cloths away from the profile frame body simultaneously extend into the forming device of the preparation device. Among them, the cloth of the wear-resistant cloth roll material passes through between the pressure roller and the limit plate.

[0016] S2. Equipment operation stage: The forming device and the motor are started simultaneously, and the forming device and the motor have consistent transmission and output of the cloth.

[0017] S3. Punching stage: During the rolling process of the pressure roller, the cloth of the wear-resistant cloth roll material can be extruded and cut by the annular knife and the limit plate to form an annular small hole shape, completing the punching process.

[0018] S4. Cleaning stage: Some of the surplus material formed by the circumferential cutting will remain inside the cloth of the wear-resistant cloth roll material. During the transmission process of the motor, through the cooperation of the rotary assembly and the limit assembly, the slapping plate can intermittently slap the cloth of the wear-resistant cloth roll material to clean the surplus material remaining inside the cloth of the wear-resistant cloth roll material.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] Through the cooperation of the punching mechanism and the cleaning mechanism, the user can directly process and produce the unpunched wear-resistant cloth roll material through the preparation equipment. When the equipment and the motor are started, the pressure roller conveys the wear-resistant cloth roll material. During the conveying process, the annular knife cuts and punches the cloth, so there is no need to prepare the wear-resistant cloth roll material that has been punched in advance. The punching process is directly carried out during the preparation process of the leather cloth, which improves the production efficiency. At the same time, during the punching process, the flapping plate can be triggered to intermittently flap the punched cloth, so that some of the remaining materials left inside the cloth are removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 is a schematic diagram of the overall structure of the present invention from another perspective;

[0023] Figure 3 is a schematic diagram of the receiving tray and the guiding arc plate of the present invention;

[0024] Figure 4 is a schematic diagram of the internal structure of the pressure roller of the present invention;

[0025] Figure 5 For the present invention Figure 4 Enlarged view of part A in;

[0026] Figure 6 For the present invention Figure 4 Enlarged view of part B in;

[0027] Figure 7 For the present invention Figure 4 Enlarged view of part C in;

[0028] Figure 8 is a schematic diagram of the pressure roller of the present invention;

[0029] Figure 9 For the present invention Figure 8 Enlarged view of part D in.

[0030] In the figure: 1 - profile frame; 2 - mounting frame; 3 - base cloth roll material; 4 - breathable cloth roll material; 5 - wear-resistant cloth roll material; 6 - clamping plate; 7 - guide roller; 8 - receiving tray; 9 - guiding arc plate; 10 - bolt; 11 - punching mechanism; 12 - cleaning mechanism; 13 - pushing assembly; 14 - rotating assembly; 15 - limiting assembly; 16 - first support frame; 17 - limiting plate; 18 - second support frame; 19 - motor; 20 - pressing roller; 21 - rotating shaft; 22 - slapping plate; 23 - transmission belt; 24 - first limiting seat; 25 - second limiting seat; 26 - fixed rod; 27 - movable column; 28 - annular knife; 29 - cavity; 30 - cam; 31 - rotating ring; 32 - first spring; 33 - second spring; 34 - limiting block; 35 - semi-circular hole groove; 36 - transmission wheel; 37 - limiting column; 38 - third spring. Detailed implementation manner

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Embodiment 1

[0033] Please refer to Figure 1 and Figure 2 , a preparation device for a highly breathable and wear-resistant sofa leather base cloth shown in the figure, including a profile frame 1 installed on the side end of the preparation device. Three mounting frames 2 are fixedly installed inside the profile frame 1, and a base cloth roll material 3, a breathable cloth roll material 4, and a wear-resistant cloth roll material 5 are correspondingly and movably installed inside the three mounting frames 2. The wear-resistant cloth roll material 5 is installed at the uppermost end of the profile frame 1. A guide roller 7 is installed at one end of the profile frame 1 away from the base cloth roll material 3, and both the front and rear ends of the guide roller 7 are movably embedded inside the profile frame 1; a punching mechanism 11 for directly punching the base cloth roll material 3 during the leather cloth synthesis process is installed on the side end of the profile frame 1, and a cleaning mechanism 12 for separating the remaining material inside the base cloth roll material 3 is installed on the side end of the punching mechanism 11.

[0034] Please refer to Figure 3 and Figure 4, in the illustration, the punching mechanism 11 includes a first support frame 16 fixedly connected to the profile frame body 1, and the first support frame 16 is distributed at one end away from the wear-resistant cloth roll 5. A limit plate 17 is fixedly installed at the upper end of the first support frame 16, and a motor 19 is fixedly installed at the upper end of the limit plate 17. The output end of the motor 19 is installed with a pressure roller 20 through a coupling. A rotating sleeve is fixedly installed on the side of the pressure roller 20 away from the motor 19. A first limit seat 24 is movably sleeved on the outer surface of the rotating sleeve, and the first limit seat 24 is fixedly connected to the limit plate 17. The cloth of the wear-resistant cloth roll 5 is placed between the pressure roller 20 and the limit plate 17, and the cloth is in movable contact with both. Two groups of annular knives 28 arranged in a circumferential array are fixedly installed on the outer surface of the pressure roller 20. A pushing assembly 13 is installed inside the pressure roller 20. When the pressure roller 20 transports the cloth on the wear-resistant cloth roll 5, the cloth can be extruded and cut by the annular knives 28.

[0035] Please refer to Figure 5 , in the illustration, the pushing assembly 13 includes a cavity 29 opened inside the pressure roller 20, and the cavity 29 communicates with the annular knife 28. An active column 27 is movably embedded inside the pressure roller 20 corresponding to each annular knife 28, and the active column 27 is fitted with the annular knife 28. A limit block 34 is fixedly installed inside the pressure roller 20, and the active column 27 is slidably connected to the limit block 34. A second spring 33 is installed at one end of the limit block 34 close to the cavity 29. A fixed rod 26 is movably embedded inside the pressure roller 20, and several groups of cams 30 are fixedly installed on the outer surface of the fixed rod 26. A second limit seat 25 is fixedly sleeved on the front outer surface of the fixed rod 26, and the second limit seat 25 is fixedly connected to the limit plate 17. When the active column 27 extends outwards, part of the remaining material left in the cavity of the annular knife 28 due to cutting can be cleaned out.

[0036] Please refer to Figure 8 and Figure 9 , in the illustration, the end of the annular knife 28 away from the pressure roller 20 is in the shape of an inclined cutting edge, and the cloth is cut through the inclined cutting edge to form small holes.

[0037] The technological process of a preparation device for a highly breathable and wear-resistant sofa leather base cloth, this method includes the following steps:

[0038] S1. Cloth placement stage, the base cloth roll 3, the breathable cloth roll 4, and the wear-resistant cloth roll 5 are sequentially installed inside the installation frame 2 from bottom to top. The three groups of cloths are respectively stretched, so that the ends of the three groups of cloths away from the profile frame body 1 simultaneously extend into the forming device of the preparation device. Among them, the cloth of the wear-resistant cloth roll 5 passes through between the pressure roller 20 and the limit plate 17;

[0039] S2. Equipment operation stage, the forming device and the motor 19 are started simultaneously, and the forming device and the motor 19 have consistent transmission outputs for the cloth;

[0040] S3. Drilling stage: During the rolling process of the pressure roller 20, the fabric of the wear-resistant cloth coil 5 can be extruded and cut in a circular shape through the circular knife 28 and the limit plate 17 to form circular small holes, completing the drilling process.

[0041] S4. Cleaning stage: Some of the remaining materials formed by the circular cutting will remain inside the fabric of the wear-resistant cloth coil 5. During the transmission process of the motor 19, through the cooperation of the rotary assembly 14 and the limit assembly 15, the slapping plate 22 can intermittently slap the fabric of the wear-resistant cloth coil 5 to clean the remaining materials left inside the fabric of the wear-resistant cloth coil 5.

[0042] The working principle that can ensure the production efficiency of the highly breathable wear-resistant sofa leather cloth is not reduced: The user stretches the three kinds of fabrics into the forming device of the preparation equipment respectively, and the fabric of the wear-resistant cloth coil 5 passes through between the pressure roller 20 and the limit plate 17. When the three kinds of fabrics are subjected to composite forming processing, the preparation equipment and the motor 19 are started at the same time. Among them, the conveying speeds of the preparation equipment and the motor 19 for the fabric are the same. During the process of the motor 19 driving the pressure roller 20 to rotate, the two groups of circular knives 28 on the surface of the pressure roller 20 can secondly extrude and cut the wear-resistant cloth coil 5. Through the limitation of the limit plate 17, the circular knife 28 can penetrate the fabric of the wear-resistant cloth coil 5 during the rolling process to complete the drilling process. Some of the remaining materials formed after drilling will directly fall off, some will remain inside the circular knife 28, and some will remain in the holes formed in the fabric. Among the remaining materials inside the circular knife 28, during the rotation of the pressure roller 20, since the fixed rod 26 drives the cam 30 to remain stationary, the movable column 27 inside the circular knife 28 after cutting can be pushed, so that the movable column 27 clears the remaining materials left inside the circular knife 28 to avoid affecting the next cutting and drilling. And the part of the fabric remaining in the fabric will be removed by the cleaning mechanism 12. In this way, the fabric of the wear-resistant cloth coil 5 is directly drilled during the production process of the synthetic leather cloth pressing, without the need for workers to drill the wear-resistant cloth coil 5 in advance, shortening the production time of the highly breathable wear-resistant sofa leather cloth.

[0043] Embodiment 2

[0044] Please refer to Figures 2 - 4 This embodiment further illustrates Embodiment 1. The cleaning mechanism 12 includes two groups of second support frames 18 fixedly installed on the side end of the profile frame body 1, and a rotating shaft 21 is movably embedded between the two groups of second support frames 18. The outer surface of the rotating shaft 21 is fixedly sleeved with a slapping plate 22, and the lower end surface of the slapping plate 22 is in active contact with the fabric. Rotary assemblies 14 are installed at both the front and rear ends of the rotating shaft 21, and a limit assembly 15 is installed between the rotating shaft 21 and the pressure roller 20. During the operation of the motor 19, some of the remaining materials left inside the fabric of the wear-resistant cloth coil 5 can be removed through the rotary assembly 14 and the limit assembly 15.

[0045] Please refer to Figure 7, in the illustration, the limiting component 15 includes a transmission wheel 36 sleeved on the outer surfaces of the output end of the motor 19, the rotating sleeve and the rotating shaft 21, and a transmission belt 23 is installed on the outer side of the transmission wheel 36. The transmission wheel 36 is rotatably connected to the rotating shaft 21, and the transmission wheel 36 is fixedly connected to the output end of the motor 19 and the rotating sleeve. A semi-circular hole groove 35 is formed in the inner side wall of the transmission wheel 36 installed on the outer side of the rotating shaft 21. A limiting column 37 is movably embedded in the inner side of the rotating shaft 21, and one end of the limiting column 37 away from the rotating shaft 21 is movably fitted with the semi-circular hole groove 35. A third spring 38 is installed at one end of the limiting column 37 close to the rotating shaft 21. The motor 19 can drive the rotating shaft 21 to rotate through the transmission wheel 36 and the transmission belt 23.

[0046] Please refer to Figure 6 , in the illustration, the slewing component 14 includes rotating rings 31 fixedly sleeved on the outer surfaces of the front and rear ends of the rotating shaft 21. Fixed blocks are installed at the side ends of the rotating rings 31, and a first spring 32 is fixedly installed between the fixed blocks and the rotating rings 31. When the limiting column 37 disengages from the inner opening of the semi-circular hole groove 35, the rotating shaft 21 can be rotated back to its original position under the action of the first spring 32.

[0047] In this embodiment: during the transmission process, the motor 19 can drive the rotating shaft 21 to rotate through the cooperation of the transmission belt 23 and the transmission wheel 36. At this time, the rotating shaft 21 will drive the flapping plate 22 to rotate clockwise. At the same time, when the rotating shaft 21 rotates, it can compress the first spring 32. When the first spring 32 is compressed to the extreme, the rotating shaft 21 can no longer rotate. At this time, under the continuous rotation of the transmission wheel 36, the limiting column 37 will disengage from the semi-circular hole groove 35, resulting in an idling phenomenon. After the rotating shaft 21 is no longer restricted, it will rotate back under the action of the first spring 32, realizing that the flapping plate 22 beats on the upper end surface of the pre-punched fabric, and vibrating and discharging the remaining material left in the fabric holes by means of flapping.

[0048] Embodiment 3

[0049] Please refer to Figure 2 and Figure 3 , the following embodiments further illustrate other embodiments. Two sets of clamping plates 6 are fixedly installed inside the profile frame 1, and a receiving tray 8 is movably embedded inside the clamping plates 6. The receiving tray 8 is placed at the lower end of the fabric of the wear-resistant fabric coil 5. The upper end surface of the fabric of the wear-resistant fabric coil 5 is fitted with a guiding arc plate 9, and a bolt 10 is movably installed inside the guiding arc plate 9. The bottom of the bolt 10 is threadedly connected to the receiving tray 8. The guiding arc plate 9 is placed below the flapping plate 22. Through the cooperation of the guiding arc plate 9 and the receiving tray 8, the remaining material can be separated from the fabric of the wear-resistant fabric coil 5 and will not fall on other fabrics.

[0050] In this embodiment: When the pushing component 13 clears the remaining material in the annular knife 28, the remaining material will be left on the upper end surface of the fabric. The guiding arc-shaped plate 9 can block the remaining material to prevent it from moving with the fabric. At the same time, through the arc surface of the guiding arc-shaped plate 9, during the movement of the fabric, the remaining material can be discharged outward from both side ends of the guiding arc-shaped plate 9. The function of the receiving tray 8 is to receive the remaining material separated from the fabric of the wear-resistant fabric coil 5.

[0051] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0052] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A preparation device for a highly breathable and wear-resistant sofa leather base fabric, comprising a profile frame body (1) installed at the side end of the preparation device, characterized in that: Three mounting brackets (2) are fixedly installed on the inner side of the profile frame body (1), and a base cloth roll material (3), a breathable cloth roll material (4), and a wear-resistant cloth roll material (5) are correspondingly and movably installed on the inner sides of the three mounting brackets (2). The wear-resistant cloth roll material (5) is installed at the uppermost end of the profile frame body (1). A guide roller (7) is installed at one end of the profile frame body (1) away from the base cloth roll material (3), and both the front and rear ends of the guide roller (7) are movably embedded in the inner side of the profile frame body (1); An opening mechanism (11). The opening mechanism (11) capable of directly punching the base cloth roll material (3) during the leather cloth synthesis process is installed on the side end of the profile frame body (1), and a cleaning mechanism (12) capable of separating the surplus material inside the base cloth roll material (3) is installed on the side end of the opening mechanism (11); The opening mechanism (11) includes a first support frame (16) fixedly connected to the profile frame body (1), and the first support frame (16) is distributed at one end away from the wear-resistant cloth roll material (5). A limiting plate (17) is fixedly installed at the upper end of the first support frame (16), and a motor (19) is fixedly installed at the upper end of the limiting plate (17). The output end of the motor (19) is installed with a pressure roller (20) through a coupling, and a rotating sleeve is fixedly installed on the side of the pressure roller (20) away from the motor (19). A first limiting seat (24) is movably sleeved on the outer surface of the rotating sleeve, and the first limiting seat (24) is fixedly connected to the limiting plate (17). The cloth of the wear-resistant cloth roll material (5) is placed between the pressure roller (20) and the limiting plate (17), and the cloth is in movable contact with both of them. Two annular knives (28) arranged in a circumferential array are fixedly installed on the outer surface of the pressure roller (20), and a pushing component (13) is installed inside the pressure roller (20); The cleaning mechanism (12) includes two second support frames (18) fixedly installed on the side end of the profile frame body (1), and a rotating shaft (21) is movably embedded between the two second support frames (18). A slapping plate (22) is fixedly sleeved on the outer surface of the rotating shaft (21), and the lower end surface of the slapping plate (22) is in movable contact with the cloth. Rotary components (14) are installed at both the front and rear ends of the rotating shaft (21), and a limiting component (15) is installed between the rotating shaft (21) and the pressure roller (20); The limiting component (15) includes a transmission wheel (36) sleeved on the output end of the motor (19), the outer surface of the rotating sleeve and the rotating shaft (21), and a transmission belt (23) is installed on the outer side of the transmission wheel (36). The transmission wheel (36) is rotatably connected to the rotating shaft (21), and the transmission wheel (36) is fixedly connected to the output end of the motor (19) and the rotating sleeve. A semi-circular hole groove (35) is formed in the inner side wall of the transmission wheel (36) installed on the outer side of the rotating shaft (21). A limiting column (37) is movably embedded in the inner side of the rotating shaft (21), and one end of the limiting column (37) away from the rotating shaft (21) is movably fitted with the semi-circular hole groove (35). A third spring (38) is installed at one end of the limiting column (37) close to the rotating shaft (21); The rotating component (14) includes rotating rings (31) fixedly sleeved on the outer surfaces of the front and rear ends of the rotating shaft (21). A fixed block is installed at the side end of the rotating ring (31), and a first spring (32) is fixedly installed between the fixed block and the rotating ring (31).

2. The preparation equipment of a highly breathable and wear-resistant sofa leather base fabric according to claim 1, characterized in that: The pushing component (13) includes a cavity (29) formed in the inner side of the pressure roller (20), and the cavity (29) communicates with the annular knife (28). An active column (27) is movably embedded in the interior of each annular knife (28) corresponding to the pressure roller (20), and the active column (27) is fitted with the annular knife (28). A limiting block (34) is fixedly installed on the inner side of the pressure roller (20), and the active column (27) is slidably connected to the limiting block (34). A second spring (33) is installed at one end of the limiting block (34) close to the cavity (29). A fixed rod (26) is movably embedded in the inner side of the pressure roller (20), and a plurality of groups of cams (30) are fixedly installed on the outer surface of the fixed rod (26). A second limiting seat (25) is fixedly sleeved on the outer surface of the front end of the fixed rod (26), and the second limiting seat (25) is fixedly connected to the limiting plate (17).

3. The preparation equipment of a highly breathable and wear-resistant sofa leather base fabric according to claim 1, characterized in that: Two groups of clamping plates (6) are fixedly installed on the inner side of the profile frame body (1), and a receiving disc (8) is movably embedded in the inner side of the clamping plate (6). The receiving disc (8) is placed at the lower end of the fabric of the wear-resistant fabric coil (5). A guiding arc-shaped plate (9) is attached to the upper end surface of the fabric of the wear-resistant fabric coil (5), and a bolt (10) is movably installed inside the guiding arc-shaped plate (9). The bottom of the bolt (10) is threadedly connected to the receiving disc (8). The guiding arc-shaped plate (9) is placed below the slapping plate (22).

4. The preparation equipment of a highly breathable and wear-resistant sofa leather base fabric according to claim 1, characterized in that: One end of the annular knife (28) away from the pressure roller (20) is in the shape of an inclined cutting edge.

5. The process flow of the preparation equipment for any one of the highly breathable and wear-resistant sofa leather base fabrics in claims 1-4, characterized in that: This process flow includes the following steps: S1. Fabric placement stage: The base fabric roll (3), breathable fabric roll (4), and wear-resistant fabric roll (5) are sequentially installed inside the mounting frame (2) from bottom to top. The three groups of fabrics are stretched respectively, so that the ends of the three groups of fabrics away from the profile frame (1) simultaneously extend into the forming device of the preparation equipment. Among them, the fabric of the wear-resistant fabric roll (5) passes through between the pressure roller (20) and the limit plate (17). S2. Equipment operation stage: Start the forming device and the motor (19) simultaneously. The forming device and the motor (19) have consistent transmission and output of the fabric. S3. Punching stage: During the rolling process of the pressure roller (20), the fabric of the wear-resistant fabric roll (5) can be extruded and cut by the annular knife (28) and the limit plate (17) to form an annular small hole shape, completing the punching process. S4. Cleaning stage: Some of the remaining materials formed by the circumferential cutting will remain inside the fabric of the wear-resistant fabric roll (5). During the transmission process, the motor (19) can intermittently pat the fabric of the wear-resistant fabric roll (5) through the cooperation of the rotary component (14) and the limit component (15), so as to clean the remaining materials remaining inside the fabric of the wear-resistant fabric roll (5).

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