Coating equipment and process for coating for oxford fabric production

Abstract

The invention relates to the related technical field of oxford fabric production and processing, in particular to coating equipment for oxford fabric production and a process thereof, the coating equipment comprises an equipment support, an upper compression roller and a lower compression roller, and an upper mounting groove and a lower mounting groove are formed in the equipment support; an upper compression roller and a lower compression roller are each composed of an installation shaft, a compression roller body, a first connecting piece and a second connecting piece in a combined mode, and a coating auxiliary mechanism composed of an installation base, a guide rod, an impact head, a reset spring, a stress head, a stress wheel and a pull wire in a combined mode is arranged on the inner side wall of each compression roller body. The impact head is driven by the acting force of the stress head, the stress seat and the reset spring to form an impact effect on the inner side surface of the compression roller main body, so that the coating layer and the oxford cloth can be synchronously subjected to a certain amplitude of vibration effect when being extruded, and the combination effect of the coating layer and the oxford cloth is effectively improved; therefore, the final service life of the cloth is effectively ensured.

Description

Technical Field

[0001] The invention relates to the technical field related to the production and processing of Oxford cloth, and in particular to a coating device and a process for producing Oxford cloth. Background Art

[0002] Oxford cloth, also known as Oxford spinning, is a fabric with diverse functions and wide applications. The main varieties on the market include: lattice, full-stretch, nylon, and tiga. The existing Chinese patent document with the announcement number CN117414987B discloses a coating coating equipment and process for the production of Oxford cloth, and the scheme includes a fixed frame, wherein two squeezing rollers are arranged opposite to each other up and down, and a squeezing rod is fixedly sleeved in the two squeezing rollers, and the squeezing rod is arranged through the squeezing roller, and the outer thread sleeve of the squeezing rod is provided with a threaded ring, and the threaded ring is arranged through the side wall of the squeezing roller, and a motor is fixedly connected to the inner side wall of the fixed frame, and the output end of the motor is fixedly connected to the lower squeezing rod, and the upper side of the fixed frame is provided with a reciprocating rod for sliding up and down, and the upper squeezing rod is located between the reciprocating rods and is rotatably connected to the reciprocating rods, and the upper side of the fixed frame is fixedly connected with a hydraulic rod, and the output end of the hydraulic rod is fixedly connected to the upper side of the reciprocating rod, and a fixed pipe is fixedly connected in the fixed frame, and the fixed pipe is located in front of the two squeezing rollers and arranged opposite to the squeezing rollers, and a plurality of coating nozzles are evenly connected to the side wall of the fixed pipe, and the coating nozzles are arranged opposite to the squeezing rollers, and a cleaning device is provided between the two squeezing rollers; However, the extrusion roller of the above device adopts a traditional roller structure. When the fabric is pressurized and shaped, the force it receives is relatively single, which is not conducive to the full combination of the coating layer and the fabric, thereby causing the coating layer and the fabric to be easily separated during the subsequent use of the Oxford cloth. Therefore, the present invention proposes a coating coating device and a process for Oxford cloth production to solve the above problems. Summary of the invention

[0003] The object of the present invention is to provide a coating coating device and a process for producing Oxford cloth to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a coating coating device for Oxford cloth production, comprising: An equipment bracket, wherein the equipment bracket is provided with an upper mounting slot and a lower mounting slot; An upper pressing roller, the upper pressing roller being installed at the position of the upper mounting groove through an upper positioning member; A lower pressure roller, the lower pressure roller being installed at the position of the lower installation groove through a lower positioning member; The upper pressure roller is composed of a mounting shaft, a pressure roller body, a first connecting piece and a second connecting piece. The mounting shaft is fixed on the equipment bracket. The pressure roller body is a cylindrical structure. The first connecting piece and the second connecting piece are respectively fixedly connected to the two ends of the pressure roller body, and the first connecting piece and the second connecting piece are both rotatably connected to the mounting shaft through a sealed bearing. The lower pressing roller has the same structure as the upper pressing roller.

[0005] Preferably, a driven sprocket is fixedly mounted on the first connecting member, and the driven sprocket is driven by a driving structure on the equipment bracket, and when the upper pressure roller and the lower pressure roller are actually rotating, the rotation directions of the upper pressure roller and the lower pressure roller are opposite.

[0006] Preferably, a coating auxiliary mechanism is fixedly installed on the inner side wall of the pressure roller body through a connecting frame, and the coating auxiliary mechanism is composed of a mounting seat, a guide rod, an impact head, a return spring, a force head, a force wheel and a traction line combination. The connecting frame is fixedly welded to the outer side wall of the mounting seat, and the end of the connecting frame is fixedly connected to the inner side wall of the pressure roller body. A movable groove and a guide rod groove are provided on the mounting seat, and the guide rod and the impact head are integrally formed, and the guide rod is movably arranged in the guide rod groove, and the impact head is movably arranged in the movable groove. The return spring is sleeved on the guide rod, and when the return spring is in a return state, the end of the impact head extends out of the outer side of the movable groove, and at this time, the end of the impact head is set against the inner side wall of the pressure roller body, and the force seat is fixedly connected to the lower side of the mounting shaft.

[0007] Preferably, the force-bearing head is movably sleeved on a guide rod, a screw hole is provided on the guide rod, a straight slot is provided on the side wall of the force-bearing head, a limiting screw is fixedly connected in the screw hole, and the screw rod of the limiting screw is arranged through the straight slot.

[0008] Preferably, a connecting ring is integrally formed on the side wall of the impact head, a connecting ear is fixedly welded on the connecting ring, an adapter is provided on the side wall of the mounting seat, an adapter hole is provided on the force-bearing wheel, and the force-bearing wheel is rotatably mounted on the adapter, a wire groove is provided on the side wall of the force-bearing wheel, and a wire hole is provided through the force-bearing wheel, a force column is fixedly welded on the side wall of the force-bearing head, a terminal head is integrally formed on the end of the force column, one end of the traction wire is fixedly connected to the connecting ear, and the other end of the traction wire passes through the wire hole, and is fixedly connected to the terminal head after being laid half a circle in the wire groove.

[0009] Preferably, the lower surface of the force-bearing seat is a wedge-shaped surface, and the ends of the impact head and the force-bearing head are both hemispherically arranged. When the pressure roller body rotates, the end of the force-bearing head moves along the lower wedge-shaped surface of the force-bearing seat, and in this process, the return spring is continuously compressed, and when the end of the force-bearing head is separated from the force-bearing seat, the return spring returns to its original position, and at this time, the corresponding coating auxiliary mechanism is in a vertical state.

[0010] Preferably, the coating auxiliary mechanisms are arranged in multiple layers at equal intervals, and each layer of coating auxiliary mechanisms is arranged in one circle with equal circumference, and the coating auxiliary mechanisms in adjacent layers are arranged in a staggered manner.

[0011] Preferably, an air inlet duct and an air return duct are provided on the mounting shaft, exhaust holes and air return holes are provided on the side walls of the air inlet duct and the air return duct respectively, and a first air pipe connector and a second air pipe connector are provided at the ends of the air inlet duct and the air return duct respectively.

[0012] Preferably, the first air pipe connector and the second air pipe connector are respectively located at two ends of the mounting axis, and the first air pipe connector is connected to the steam generating equipment through a primary air pipe, and the second air pipe connector is connected to the exhaust pipe.

[0013] A coating coating process for Oxford cloth production, the coating coating process for Oxford cloth production is realized by the coating coating equipment for Oxford cloth production, and the process is to make the coated Oxford cloth pass between the upper pressure roller and the lower pressure roller, so that the connection between the Oxford cloth and the coating layer is tighter by extrusion, and the mutual force between the force-bearing head and the force-bearing seat is used to accumulate elastic potential energy in the reset spring, and the elastic potential energy of the reset spring is released when the coating auxiliary mechanism moves to a vertical state, so that the impact head forms an impact effect on the inner side of the pressure roller body, so that the pressure roller body at the position where the upper pressure roller and the lower pressure roller are in contact with each other forms a certain degree of mechanical vibration, so that the coating layer and the Oxford cloth can be more reliably connected together under the action of mechanical vibration, thereby effectively ensuring the overall stability of the structure.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting up a coating coating equipment for Oxford cloth production composed of an equipment bracket, an upper pressure roller and a lower pressure roller, and by setting the upper pressure roller and the lower pressure roller to be composed of a mounting shaft, a pressure roller body, a first connecting piece and a second connecting piece, and by setting a coating auxiliary mechanism composed of a mounting seat, a guide rod, an impact head, a reset spring, a force head, a force wheel and a traction line on the inner side wall of the pressure roller body, the impact head is driven by the force of the force head, the force seat and the reset spring to form an impact effect on the inner side of the pressure roller body, so that the coating layer and the Oxford cloth can be synchronously subjected to a certain amplitude of vibration when being squeezed, thereby effectively improving the bonding effect of the coating layer and the Oxford cloth, thereby ensuring the bonding strength between the two, and effectively ensuring the final service life of the cloth; 2. The coating auxiliary mechanisms are arranged in multiple layers at equal intervals, and the coating auxiliary mechanisms in adjacent layers are staggered, thereby effectively improving the comprehensiveness of the fabric treatment coverage area, thereby further improving the treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the upper pressure roller of the present invention; Figure 3 A half-section view of the upper pressure roller of the present invention; Figure 4 for Figure 3 A schematic diagram of the structure enlargement in the middle; Figure 5 for Figure 3 A magnified schematic diagram of the structure at B in the middle; Figure 6 for Figure 5 A magnified schematic diagram of the structure at C in the middle; Figure 7 This is a schematic diagram of the distribution of the coating auxiliary mechanism of the present invention; Figure 8 for Figure 7 A magnified schematic diagram of the structure at D in the middle; Fig. 9 This is a schematic diagram of the coating auxiliary mechanism of the present invention; Fig.10 This is a schematic diagram of the mounting seat structure of the present invention; Fig.11 A half-section view of the force-bearing wheel of the present invention; Fig.12 This is a schematic diagram of the connection of the traction line on the coating auxiliary mechanism of the present invention; Fig.13 for Fig.12 Enlarged schematic diagram of the structure at point E in the middle.

[0016] In the figure: equipment bracket 1, upper pressure roller 2, lower pressure roller 3, upper mounting groove 4, lower mounting groove 5, upper positioning member 6, lower positioning member 7, mounting shaft 8, pressure roller body 9, first connecting member 10, second connecting member 11, sealed bearing 12, coating auxiliary mechanism 13, connecting frame 14, mounting seat 15, guide rod 16, impact head 17, return spring 18, force head 19, force wheel 20, traction line 21, force seat 22, connecting ring 23, connecting ear 24, adapter 25, adapter hole 26, wire groove 27, wire hole 28, force column 29, terminal 30, screw hole 31, straight slot 32, limit screw 33, air inlet duct 34, air return duct 35, exhaust hole 36, first air pipe connector 37, air return hole 38, second air pipe connector 39, driven sprocket 40. DETAILED DESCRIPTION

[0017] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-13 The present invention provides the following three preferred embodiments: Embodiment 1: A coating coating device for Oxford cloth production, comprising a device support 1, an upper pressure roller 2 and a lower pressure roller 3, the device support 1 is provided with an upper mounting groove 4 and a lower mounting groove 5, the upper pressure roller 2 is mounted at the position of the upper mounting groove 4 through an upper positioning member 6, the lower pressure roller 3 is mounted at the position of the lower mounting groove 5 through a lower positioning member 7, the upper pressure roller 2 is composed of a mounting shaft 8, a pressure roller body 9, a first connecting member 10 and a second connecting member 11, the mounting shaft 8 is fixed on the device support 1, and the pressure roller body 9 is a cylindrical structure, the first connecting member 10 and the second connecting member 11 are fixedly connected to the two ends of the roller body 9 respectively, and the first connecting member 10 and the second connecting member 11 are rotatably connected to the mounting shaft 8 through a sealed bearing 12, the lower roller 3 has the same structure as the upper roller 2, a driven sprocket 40 is fixedly mounted on the first connecting member 10, the driven sprocket 40 is driven by the driving structure on the equipment bracket 1, and when the upper roller 2 and the lower roller 3 are actually rotating, the rotation directions of the upper roller 2 and the lower roller 3 are opposite.

[0019] A coating auxiliary mechanism 13 is fixedly mounted on the inner side wall of the roller body 9 through a connecting frame 14. The coating auxiliary mechanism 13 is composed of a mounting seat 15, a guide rod 16, an impact head 17, a reset spring 18, a force head 19, a force wheel 20 and a traction line 21. The connecting frame 14 is fixedly welded to the outer side wall of the mounting seat 15, and the end of the connecting frame 14 is fixedly connected to the inner side wall of the roller body 9. A movable groove and a guide rod groove are opened on the mounting seat 15. The guide rod 16 and the impact head 17 are integrally formed, and the guide rod 16 is movably set in the guide rod groove, and the impact head 17 is movably set. In the movable groove, the reset spring 18 is sleeved on the guide rod 16, and when the reset spring 18 is in the reset state, the end of the impact head 17 extends out of the outside of the movable groove, and at this time, the end of the impact head 17 is set against the inner wall of the pressure roller body 9, and the mounting shaft 8 is fixedly connected with a force-bearing seat 22 in the lower side direction. The force-bearing head 19 is movably sleeved on the guide rod 16, and a screw hole 31 is opened on the guide rod 16. A straight slot 32 is opened on the side wall of the force-bearing head 19, and a limit screw 33 is fixedly connected in the screw hole 31. The screw rod of the limit screw 33 is set through the straight slot 32.

[0020] A connecting ring 23 is integrally formed on the side wall of the impact head 17, and a connecting ear 24 is fixedly welded on the connecting ring 23. An adapter 25 is arranged on the side wall of the mounting seat 15. An adapter hole 26 is opened on the force-bearing wheel 20, and the force-bearing wheel 20 is rotatably mounted on the adapter 25. A wire groove 27 is opened on the side wall of the force-bearing wheel 20, and a wire hole 28 is opened through the force-bearing wheel 20. A force column 29 is fixedly welded on the side wall of the force head 19, and a terminal 30 is integrally formed on the end of the force column 29. One end of the traction line 21 is fixedly connected to the connecting ear 24, and the other end of the traction line 21 passes through the wire hole 28, and is fixedly connected to the terminal 30 after being arranged in the wire groove 27 for half a circle.

[0021] The lower surface of the force-bearing seat 22 is a wedge-shaped surface, and the ends of the impact head 17 and the force-bearing head 19 are both hemispherical. The hemispherical shape can facilitate the force between the structures and can effectively reduce the friction force. When the pressure roller body 9 rotates, the end of the force-bearing head 19 moves along the lower wedge-shaped surface of the force-bearing seat 22, and in this process, the return spring 18 is continuously compressed, and when the end of the force-bearing head 19 is separated from the force-bearing seat 22, the return spring 18 returns to the original state, and at this time, the corresponding coating auxiliary mechanism 13 is in a vertical state. By setting a coating coating device for Oxford cloth production composed of an equipment bracket 1, an upper pressure roller 2 and a lower pressure roller 3, and by setting the upper pressure roller 2 and the lower pressure roller 3 to be composed of The mounting shaft 8, the roller body 9, the first connecting member 10 and the second connecting member 11 are combined to form a coating auxiliary mechanism 13 composed of a mounting seat 15, a guide rod 16, an impact head 17, a return spring 18, a force head 19, a force wheel 20 and a traction line 21, and the impact head 17 is driven by the force of the force head 19, the force seat 22 and the return spring 18 to form an impact effect on the inner side surface of the roller body 9, so that the coating layer and the Oxford cloth can be synchronously subjected to a certain amplitude of vibration when being squeezed, thereby effectively improving the bonding effect of the coating layer and the Oxford cloth, thereby ensuring the bonding strength between the two, and effectively ensuring the final service life of the cloth.

[0022] Example 2: Please refer to Figure 7-8 On the basis of the first embodiment, the coating auxiliary mechanism 13 is arranged in multiple layers at equal intervals, and each layer of the coating auxiliary mechanism 13 is arranged in a circle with an equal circumference, and the coating auxiliary mechanisms 13 of adjacent layers are staggered. The coating auxiliary mechanisms 13 are arranged in multiple layers at equal intervals, and the coating auxiliary mechanisms 13 of adjacent layers are staggered, thereby effectively improving the comprehensiveness of the cloth processing coverage area, thereby further improving the processing effect.

[0023] Example 3: Please refer to Figure 2-4 On the basis of the second embodiment, an air inlet duct 34 and an air return duct 35 are provided on the mounting shaft 8, and exhaust holes 36 and air return holes 38 are respectively provided on the side walls of the air inlet duct 34 and the air return duct 35, and the ends of the air inlet duct 34 and the air return duct 35 are respectively provided with a first air pipe connector 37 and a second air pipe connector 39, the first air pipe connector 37 and the second air pipe connector 39 are respectively located at the two ends of the mounting shaft 8, and the first air pipe connector 37 is connected to the steam generating device through a primary air pipe, and the second air pipe connector 39 is connected to the exhaust pipe. By heating the inner cavity of the pressing roller body 9 through the steam structure, the temperature of the pressing roller body 9 can be more accurately controlled, so that the coating layer and the Oxford cloth can be combined more stably.

[0024] A coating coating process for Oxford cloth production, the coating coating process for Oxford cloth production is realized by the above-mentioned coating coating equipment for Oxford cloth production, and the process is to allow the coated Oxford cloth to pass between the upper pressure roller 2 and the lower pressure roller 3, so that the connection between the Oxford cloth and the coating layer is tighter by extrusion, and the mutual force between the force-bearing head 19 and the force-bearing seat 22 is used to accumulate elastic potential energy in the reset spring 18, and the elastic potential energy of the reset spring 18 is released when the coating auxiliary mechanism 13 moves to a vertical state, so that the impact head 17 forms an impact effect on the inner side of the pressure roller body 9, so that the pressure roller body 9 at the position where the upper pressure roller 2 and the lower pressure roller 3 are close to each other forms a certain degree of mechanical vibration, so that the coating layer and the Oxford cloth can be more reliably connected together under the action of mechanical vibration, thereby effectively ensuring the overall stability of the structure.

[0025] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A coating equipment for Oxford cloth production, characterized in that: include: An equipment bracket (1), wherein the equipment bracket (1) is provided with an upper mounting groove (4) and a lower mounting groove (5); An upper pressure roller (2), wherein the upper pressure roller (2) is installed at the position of the upper installation groove (4) via an upper positioning member (6); A lower pressure roller (3), wherein the lower pressure roller (3) is installed at the position of the lower installation groove (5) via a lower positioning member (7); The upper pressure roller (2) is composed of a mounting shaft (8), a pressure roller body (9), a first connecting piece (10) and a second connecting piece (11); the mounting shaft (8) is fixed on the equipment bracket (1); the pressure roller body (9) is a cylindrical structure; the first connecting piece (10) and the second connecting piece (11) are respectively fixedly connected to the two ends of the pressure roller body (9); and the first connecting piece (10) and the second connecting piece (11) are both rotatably connected to the mounting shaft (8) via a sealed bearing (12); The lower pressing roller (3) has the same structure as the upper pressing roller (2).

2. The coating equipment for Oxford cloth production according to claim 1, characterized in that: A driven sprocket (40) is fixedly mounted on the first connecting member (10), and the driven sprocket (40) is driven by a driving structure on the equipment bracket (1), and when the upper pressure roller (2) and the lower pressure roller (3) are actually rotating, the upper pressure roller (2) and the lower pressure roller (3) rotate in opposite directions.

3. The coating equipment for Oxford cloth production according to claim 1, characterized in that: A coating auxiliary mechanism (13) is fixedly mounted on the inner side wall of the pressure roller body (9) via a connecting frame (14). The coating auxiliary mechanism (13) is composed of a mounting seat (15), a guide rod (16), an impact head (17), a return spring (18), a force-bearing head (19), a force-bearing wheel (20) and a traction line (21). The connecting frame (14) is fixedly welded to the outer side wall of the mounting seat (15), and the end of the connecting frame (14) is fixedly connected to the inner side wall of the pressure roller body (9). The mounting seat (15) is provided with a movable groove and a guide rod (16). The guide rod (16) and the impact head (17) are integrally formed, and the guide rod (16) is movably arranged in the guide rod groove, and the impact head (17) is movably arranged in the movable groove. The reset spring (18) is sleeved on the guide rod (16), and when the reset spring (18) is in a reset state, the end of the impact head (17) extends out of the outer side of the movable groove, and at this time, the end of the impact head (17) is set against the inner side wall of the pressure roller body (9), and the mounting shaft (8) is fixedly connected to a force bearing seat (22) on the lower side.

4. The coating equipment for Oxford cloth production according to claim 3 is characterized in that: The force-bearing head (19) is movably sleeved on the guide rod (16), the guide rod (16) is provided with a screw hole (31), a straight slot (32) is provided on the side wall of the force-bearing head (19), a limit screw (33) is fixedly connected in the screw hole (31), and the screw rod of the limit screw (33) is arranged to pass through the straight slot (32).

5. The coating equipment for Oxford cloth production according to claim 4, characterized in that: A connecting ring (23) is integrally formed on the side wall of the impact head (17), and a connecting ear (24) is fixedly welded on the connecting ring (23). An adapter (25) is provided on the side wall of the mounting seat (15). An adapter hole (26) is provided on the force-bearing wheel (20), and the force-bearing wheel (20) is rotatably mounted on the adapter (25). A wire groove (27) is provided on the side wall of the force-bearing wheel (20), and a wire hole (28) is provided through the force-bearing wheel (20). A force column (29) is fixedly welded on the side wall of the force-bearing head (19), and a terminal (30) is integrally formed at the end of the force column (29). One end of the traction line (21) is fixedly connected to the connecting ear (24), and the other end of the traction line (21) passes through the wire hole (28), and is fixedly connected to the terminal (30) after being arranged in the wire groove (27) for half a circle.

6. The coating equipment for Oxford cloth production according to claim 5, characterized in that: The lower surface of the force-bearing seat (22) is a wedge-shaped surface, and the ends of the impact head (17) and the force-bearing head (19) are both hemispherical. When the pressure roller body (9) rotates, the end of the force-bearing head (19) moves along the lower wedge-shaped surface of the force-bearing seat (22), and in this process, the return spring (18) is continuously compressed, and when the end of the force-bearing head (19) is separated from the force-bearing seat (22), the return spring (18) returns to its original position, and at this time, the corresponding coating auxiliary mechanism (13) is in a vertical state.

7. The coating equipment for Oxford cloth production according to claim 6, characterized in that: The coating auxiliary mechanisms (13) are arranged in multiple layers at equal intervals, and each layer of the coating auxiliary mechanisms (13) is arranged in one circle at an equal circumference, and the coating auxiliary mechanisms (13) in adjacent layers are arranged in a staggered manner.

8. The coating equipment for Oxford cloth production according to claim 7, characterized in that: An air inlet duct (34) and an air return duct (35) are provided on the mounting shaft (8); exhaust holes (36) and air return holes (38) are provided on the side walls of the air inlet duct (34) and the air return duct (35), respectively; and a first air pipe connector (37) and a second air pipe connector (39) are provided at the ends of the air inlet duct (34) and the air return duct (35), respectively.

9. The coating equipment for Oxford cloth production according to claim 8, characterized in that: The first air pipe connector (37) and the second air pipe connector (39) are respectively located at two ends of the mounting shaft (8), and the first air pipe connector (37) is connected to the steam generating equipment via a primary air pipe, and the second air pipe connector (39) is connected to the exhaust pipe.

10. A coating process for the production of Oxford cloth, characterized in that: The coating process for producing Oxford cloth is implemented by any one of the coating equipment for producing Oxford cloth according to claims 3 to 9, and the process is to allow the coated Oxford cloth to pass between the upper pressure roller (2) and the lower pressure roller (3), so that the connection between the Oxford cloth and the coating layer is made tighter by extrusion, and the interaction force between the force-bearing head (19) and the force-bearing seat (22) is used to accumulate elastic potential energy in the return spring (18), and the elastic potential energy of the return spring (18) is released when the coating auxiliary mechanism (13) moves to a vertical state, so that the impact head (17) forms an impact effect on the inner side surface of the pressure roller body (9), so that the pressure roller body (9) at the position where the upper pressure roller (2) and the lower pressure roller (3) are close to each other forms a certain degree of mechanical vibration, so that the coating layer and the Oxford cloth can be more reliably connected together under the action of mechanical vibration, thereby effectively ensuring the overall stability of the structure.

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