Floor cloth cutting device

Abstract

The present invention provides a floor cloth cutting device, comprising a walking seat and a cutting assembly. A through cavity is provided on the side of the walking seat, and the inner side wall of the through cavity fits with the side edge of the floor cloth to limit the walking direction of the walking seat. A mounting shaft is provided above the walking seat; the cutting assembly comprises a knife seat and a knife head. The floor cloth cutting device provided by the present invention places the floor cloth in the through cavity of the walking seat, and accurately guides the walking direction of the walking seat by fitting the inner side wall of the through cavity with the side edge of the floor cloth. The cutting assembly arranged on the mounting shaft can synchronously cut the floor cloth during the walking process of the walking seat, thereby improving the cutting efficiency while ensuring the cutting accuracy. The knife seat can slide along the axial direction of the mounting shaft to adjust the distance between the knife head and the side edge of the floor cloth, thereby cutting out floor cloths of different widths. The device can improve the cutting accuracy of the floor cloth and is suitable for cutting floor cloths of different widths.

Description

Technical Field

[0001] The present invention belongs to the technical field of floor cloth cutting, and more particularly, relates to a floor cloth cutting device. Background Art

[0002] The surface of the passenger compartment floor of EMUs is generally covered with rubber floor cloth. This kind of floor cloth is wear-resistant, non-slip, beautiful, and easy to wipe clean, ensuring the comfort level required by passengers during the journey. The thickness of the floor cloth is generally in the range of 2.5-5.0mm, and the thickness of the floor cloth in the same batch is consistent and comfortable to use. Due to the limitation of the forming width, the floor cloth generally needs to be cut and spliced ​​for EMUs or urban rail vehicles. The splicing methods are divided into two methods: longitudinal splicing along the vehicle body and transverse splicing along the vehicle body. Therefore, the paving methods are also divided into longitudinal paving and transverse paving. Generally, when laying floor cloth for EMUs or urban rail vehicles, the longitudinal paving method is adopted, and at least three floor cloths are required for splicing. The finished floor cloth is cut on site during paving.

[0003] The existing cutting method first uses a ruler to measure the desired width on the floor cloth. Multiple points should be selected to improve positioning accuracy. Then, a roughly two-meter-long aluminum frame with a cutting tool is positioned on the floor cloth. The cutting tool then slides along the guide grooves of the aluminum frame to cut the floor cloth. This single cut takes approximately 30 minutes. This cutting process is prone to quality issues such as misaligned edges and broken lines, resulting in poor cutting accuracy and low cutting efficiency. Summary of the Invention

[0004] The object of the present invention is to provide a floor cloth cutting device that can accurately cut floor cloths, help improve cutting efficiency, and ensure cutting quality.

[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical solution: providing a floor cloth cutting device, comprising:

[0006] The walking seat has a through cavity on one side that runs through in the front-to-back direction and is used to accommodate a floor cloth. The inner side wall of the through cavity is in contact with the side edge of the floor cloth to limit the walking direction of the walking seat. A horizontally extending mounting shaft is provided above the walking seat.

[0007] The cutting assembly includes a knife seat connected to the mounting shaft, and a knife head disposed below the knife seat and extending into the through cavity for cutting the floor cloth;

[0008] The cutting assembly can slide along the axial direction of the mounting shaft to adjust the distance between the cutting assembly and the inner side wall of the through cavity.

[0009] In one possible implementation, the mounting shaft includes a first shaft and a second shaft arranged in parallel, the middle part of the tool holder is rotatably connected to the first shaft, the tool head is arranged at the rear end of the tool holder, and the front end of the tool holder is provided with a self-locking slot that engages with the second shaft to lock the position of the tool holder.

[0010] In some embodiments, a coupling is slidably sleeved on the first shaft and the second shaft, a cavity is formed on the knife holder and extends vertically therethrough to accommodate the coupling, the knife holder has a first clamping portion and a second clamping portion located on both sides of the cavity, and the self-locking slot includes a first clamping slot located on the first clamping portion and a second clamping slot located on the second clamping portion;

[0011] Among them, the first clamping groove and the second clamping groove are spiral grooves with the same rotation direction. When the first clamping groove and the second clamping groove are respectively clamped with the first shaft, the first clamping part and the second clamping part have a first thrust pushing the first shaft toward the side close to the cutter head, and the coupling has a second thrust pushing the first shaft toward the side away from the cutter head.

[0012] In some embodiments, a pressing wrench extending backward is further provided on the upper portion of the tool holder, and the pressing wrench is used to drive the tool holder to rotate around the first axis.

[0013] In one possible implementation, a concave cavity is provided on one side wall of the blade holder, the blade is a blade, and the blade is attached to the side wall of the cavity. The cavity has a stop surface that abuts the front edge of the blade. A pressure plate is provided on the outside of the blade, and the pressure plate is connected to the blade holder through a connecting piece that passes through the blade.

[0014] In a possible implementation, the mounting shaft is arranged perpendicular to the front-rear direction, and the traveling seat is provided with a tool hole that passes through from top to bottom and extends along the axial direction of the mounting shaft.

[0015] In some embodiments, the walking seat includes:

[0016] The lower plate has a plate surface arranged in a horizontal direction and a plurality of rollers arranged at the bottom of the lower plate;

[0017] A guide member connected to one side of the top surface of the lower plate, wherein a side wall of the guide member is adapted to fit with a side edge of the floor cloth;

[0018] The upper plate is connected to the upper side of the guide member. The upper plate, the guide member and the lower plate enclose a through cavity. The through hole passes through the upper plate and the lower plate.

[0019] In a possible implementation, the mounting shaft is arranged perpendicular to the front-to-back direction, and at least two bearings for rolling engagement with side edges of the floor cloth are rotatably connected in the through cavity.

[0020] In some embodiments, a recessed cavity is provided on the top surface of the upper plate to prevent the tool holder from rotating, and the recess corresponds to the mounting axis in the vertical direction.

[0021] In a possible implementation, the traveling seat is further provided with a traction seat located in front of the mounting shaft, and a gripping handle provided near the shaft end of the mounting shaft, and the traction seat is connected to a traction rope.

[0022] The solution shown in the embodiment of the present application, compared with the prior art, the floor cloth cutting device provided in the embodiment of the present application places the floor cloth in the through cavity of the walking seat, and realizes precise guidance of the walking direction of the walking seat by fitting the inner side wall of the through cavity with the side edge of the floor cloth. The cutting assembly arranged on the mounting shaft can perform synchronous cutting of the floor cloth during the walking process of the walking seat, thereby improving the cutting efficiency while ensuring the cutting accuracy. The knife seat can slide along the axial direction of the mounting shaft to adjust the distance between the knife head and the side edge of the floor cloth, thereby cutting out floor cloths of different widths. The device can improve the cutting accuracy of the floor cloth and is suitable for cutting floor cloths of different width specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 A schematic diagram of a partial cross-sectional structure of a floor cloth cutting device provided in an embodiment of the present invention;

[0025] Figure 2 For the embodiment of the present invention Figure 1 Schematic diagram of the exploded structure of the floor cloth cutting device provided;

[0026] Figure 3 For the embodiment of the present invention Figure 1 Schematic diagram of the structure of the cutting assembly and the coupling;

[0027] Figure 4 For the embodiment of the present invention Figure 3 A schematic structural diagram of the cutting assembly and the coupling from another angle (after removing the pressure plate);

[0028] Figure 5 For the embodiment of the present invention Figure 2 Schematic diagram of the structure of the middle and upper plate;

[0029] Figure 6 This is a structural schematic diagram of the floor cloth cutting device provided by an embodiment of the present invention in use.

[0030] Among them, the reference numerals in the figures are:

[0031] 1. Traveling seat; 11. Lower plate; 111. Roller; 12. Guide; 13. Upper plate; 14. Bearing; 15. Cutting hole; 16. Clearance cavity; 17. Traction seat; 18. Holding handle; 19. Scale; 3. Cutting assembly; 31. Cutting seat; 32. Cutting head; 33. Self-locking slot; 34. Press wrench; 35. Press plate; 36. Stop surface; 37. Accommodating cavity; 4. Mounting shaft; 41. First shaft; 42. Second shaft; 43. Coupling; 6. Floor cloth. DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0033] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or indirectly on the other element. It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0034] Please also refer to Figures 1 to 6 The floor cloth cutting device provided by the present invention will now be described. The floor cloth cutting device comprises a travel base 1 and a cutting assembly 3. One side of the travel base 1 is provided with a through cavity extending in the front-to-back direction and configured to accommodate a floor cloth 6. The inner sidewalls of the through cavity mate with the side edges of the floor cloth 6 to limit the travel direction of the travel base 1. A horizontally extending mounting shaft 4 is provided above the travel base 1. The cutting assembly 3 comprises a blade holder 31 connected to the mounting shaft 4, and a blade head 32 disposed below the blade holder 31 and extending into the through cavity to cut the floor cloth 6.

[0035] The cutting assembly 3 can slide along the axial direction of the mounting shaft 4 to adjust the distance between the cutting assembly and the inner side wall of the through cavity.

[0036] It should be noted that, for the sake of convenience of description, the walking direction of the walking seat 1 is defined as the front, and the side away from the walking direction of the walking seat 1 is defined as the rear. The through cavity is through the front and back directions of the walking seat 1. When cutting, the floor cloth 6 is placed in the through cavity, and the movement of the walking seat 1 drives the cutter head 32 to move, thereby achieving the function of cutting the floor cloth 6.

[0037] The floor cloth cutting device provided in this embodiment is compared with the prior art. The floor cloth cutting device provided in this embodiment places the floor cloth 6 in the through cavity of the walking seat 1, and accurately guides the walking direction of the walking seat 1 by fitting the inner side wall of the through cavity with the side edge of the floor cloth 6. The cutting assembly 3 arranged on the mounting shaft 4 can synchronously cut the floor cloth 6 during the walking process of the walking seat 1, thereby improving the cutting efficiency while ensuring the cutting accuracy. The knife seat 31 can slide along the axial direction of the mounting shaft 4 to adjust the distance between the knife head 32 and the side edge of the floor cloth 6, thereby cutting out floor cloths 6 of different widths. This device can improve the cutting accuracy of the floor cloth 6 and is suitable for cutting floor cloths 6 of different width specifications.

[0038] In a possible implementation, the above-mentioned characteristic mounting shaft 4 can be used as follows Figure 1 and Figure 2 See the structure shown. Figure 1 and Figure 2 The mounting shaft 4 includes a first shaft 41 and a second shaft 42 arranged in parallel. The middle part of the tool holder 31 is rotatably connected to the first shaft 41. The cutter head 32 is arranged at the rear end of the tool holder 31. The front end of the tool holder 31 is provided with a self-locking slot 33 that is engaged with the second shaft 42 to lock the position of the tool holder 31.

[0039] In this embodiment, two mounting shafts 4 are provided, namely a first shaft 41 and a second shaft 42, wherein the first shaft 41 is used to install the knife seat 31, and the knife seat 31 is rotatably connected to the first shaft 41. The self-locking slot 33 provided at the front end of the knife seat 31 can be clamped on the second shaft 42 to realize the locking of the knife seat 31 at a certain axial position of the first shaft 41, so that the knife head 32 corresponds to the position where the floor cloth 6 needs to be cut, thereby ensuring the consistency of the cutting width of the floor cloth 6.

[0040] The self-locking slot 33 is open upward. As the cutter block 31 rotates about the first axis 41, the self-locking slot 33 rotates upward from below the second axis 42 and engages with the lower portion of the second axis 42. As the traveling base 1 moves forward, the cutter block 31 maintains a stable position axially relative to the first and second axes 41, 42. This, in turn, allows the cutter head 32 to maintain a stable position during the cutting process. This ensures that the width of the cut floor cloth 6 is uniform and the side edges of the floor cloth 6 are neatly cut, improving the overall cutting quality of the floor cloth 6 and facilitating the aesthetics of subsequent splicing of the floor cloth 6.

[0041] In some embodiments, see Figure 3 and Figure 4 On the basis of using the first shaft 41 and the second shaft 42 to install the knife holder 31, a coupling 43 is also slidably sleeved on the first shaft 41 and the second shaft 42. The knife holder 31 is provided with an accommodating cavity 37 that passes through from top to bottom to accommodate the coupling 43. The knife holder 31 has a first clamping portion and a second clamping portion located on both sides of the accommodating cavity 37. The self-locking slot 33 includes a first clamping slot located on the first clamping portion and a second clamping slot located on the second clamping portion.

[0042] Among them, the first clamping groove and the second clamping groove are spiral grooves with the same rotation direction. When the first clamping groove and the second clamping groove are respectively clamped with the first shaft 41, the first clamping part and the second clamping part have a first thrust to push the first shaft 41 toward the side close to the cutter head 32, and the coupling 43 has a second thrust to push the first shaft 41 toward the side away from the cutter head 32.

[0043] The coupling 43 can be positioned outside the blade holder 31, spaced a certain distance from the blade holder 31. Alternatively, a cavity 37 for accommodating the coupling 43 can be provided on the blade holder 31. When the position of the blade holder 31 needs to be adjusted to accommodate cutting of floor cloths 6 of varying widths, the coupling 43 can move with the blade holder 31 along the first axis 41 and the second axis 42. The internal dimensions of the cavity 37 are larger than the external dimensions of the coupling 43, preventing the coupling 43 from interfering with the rotation of the blade holder 31 about the first axis 41.

[0044] The coupling 43 is provided with through holes for the first shaft 41 and the second shaft 42 to pass through respectively, which can effectively lock the relative positions of the first shaft 41 and the second shaft 42, thereby preventing the first shaft 41 and the second shaft 42 from being deformed by the resistance of the cutter head 32 to the floor cloth 6 during the cutting process, ensuring the parallelism of the first shaft 41 and the second shaft 42, and avoiding misalignment between the blade and the floor cloth 6 caused by the deformation of the first shaft 41 or the second shaft 42 due to force, thereby effectively ensuring the cutting size accuracy of the floor cloth 6 and improving the cutting quality.

[0045] In addition, the tool holder 31 has a first clamping portion and a second clamping portion formed by the accommodating cavity 37. The first clamping groove on the first clamping portion and the second clamping groove on the second clamping portion have the same spiral direction, so that when the tool holder 31 is clamped with the first shaft 41, it has a first thrust to push the first shaft 41 toward the side of the cutter head 32. The coupling 43 has two holes for accommodating the first shaft 41 and the second shaft 42. Since the spacing between the two holes is equal, under the action of the first thrust, the coupling 43 will provide a second thrust to the first shaft 41 that is opposite to the first thrust, thereby increasing the friction between the self-locking clamping groove 33 and the first shaft 41, and firmly locking the tool holder 31 on the first shaft 41, thereby realizing the self-locking function of the tool holder 31.

[0046] Furthermore, a locking bolt is provided on the knife seat 31 to press against the first shaft 41. While the knife seat 31 is locked by the self-locking slot 33, it can also be tightened and locked by the locking bolt to ensure that the relative position of the knife seat 31 and the first shaft 41 is effectively locked.

[0047] The installation height of the first shaft 41 should not be too high, so that the rotation angle of the knife holder 31 is within the range of 0-15 degrees. If the height of the first shaft 41 is too high, the rotation angle of the knife holder 31 is too large, and the knife head 32 extends too far downward during cutting, causing the knife head 32 to wobble and easily causing dimensional errors.

[0048] On the basis of the above structure, in order to facilitate the operation, see Figure 3 and Figure 4 A rearward-extending lever 34 is provided on the upper portion of the knife holder 31 for rotating the knife holder 31 about the first axis 41. The lever 34 is provided on the outer end of the knife holder 31. By lifting or pressing the lever 34, the self-locking slot 33 is separated from or locked to the second axis 42, facilitating rotation of the knife holder 31 and adjusting the position of the knife holder 31 axially along the first axis 41 to meet the needs of cutting floor cloths 6 of different widths.

[0049] Furthermore, the pressing wrench 34 is arranged above the tool holder 31, located on the rear side of the tool holder 31, that is, extending to the side away from the second axis 42, and protruding backward from the tool head 32, so that the operator can grasp the pressing wrench 34 with his hand to rotate the tool holder 31, which helps to improve operating efficiency, reduce operating difficulty, and has a good use effect.

[0050] In some possible implementations, the above-mentioned characteristic upper plate 13 adopts the following Figure 4 See the structure shown. Figure 4 A concave cavity is provided on one side wall of the knife seat 31, and the knife head 32 is a blade. The blade is attached to the side wall of the concave cavity. The concave cavity has a stop surface 36 that abuts the front edge of the blade. A pressure plate 35 is provided on the outside of the blade. The pressure plate 35 is connected to the knife seat 31 through a connecting piece set through the blade.

[0051] To facilitate installation of the cutter head 32, a cavity for mounting the cutter head 32 is provided on the side wall of the cutter base 31. The cutter head 32 is a blade. The blade's plate surface is perpendicular to the axial direction of the first axis 41 and the second axis 42. The blade's edge extends obliquely from the upper front to the lower rear. When the traveling base 1 moves forward, the blade's edge can fully contact the floor cloth 6, effectively cutting the floor cloth 6.

[0052] The cavity has two L-shaped sidewalls, one perpendicular to the axis of the first axis 41, and the other parallel to the axis of the first axis 41. The blade fits against the sidewall of the cavity perpendicular to the axis 41. A pressure plate 35 is provided on the outside of the blade to hold the blade. The pressure plate 35 is connected to the blade holder 31 via a connector. The connector passes through the pressure plate 35 and the blade and is threaded onto the blade holder 31, effectively locking the blade to the holder 31.

[0053] The sidewall of the concave cavity, parallel to the first axis 41, is inclined downward from front to back and has a stop surface 36 that abuts the front edge of the blade holder 31. When the traveling seat 1 moves and the blade cuts the floor cloth 6, the blade edge, reacting against the floor cloth 6, tends to rotate about the connector. However, under the premise that the stop surface 36 abuts the front edge of the blade, the blade is effectively restrained within the concave cavity, ensuring the stability of the blade position, improving the stability and reliability of the blade installation, and ensuring the cutting quality of the floor cloth 6.

[0054] In some possible implementations, the above-mentioned characteristic upper plate 13 adopts the following Figure 2 and Figure 5 See the structure shown. Figure 2 and Figure 5 The mounting shaft 4 is arranged perpendicular to the front-to-back direction. The walking seat 1 is provided with a tool hole 15 which passes through from top to bottom and extends along the axial direction of the mounting shaft 4. The top surface of the walking seat 1 is also provided with a scale 19 which extends along the direction of the mounting shaft 4.

[0055] Furthermore, a ruler 19 is provided on the walking seat 1, and the ruler 19 can measure and indicate the distance between the knife seat 31 and the edge of the floor cloth 6, so as to facilitate adjusting the locking position of the knife seat 31 on the first axis 41 according to the width size of the floor cloth 6 to be cut, so as to achieve a precise cutting effect.

[0056] Furthermore, to avoid instability of the cutter head 32 due to a large distance from the first shaft 41, the distance between the cutter head 32 and the first shaft 41 should be appropriately reduced. Accordingly, a through-hole 15 is provided on the travel base 1, extending vertically through the through-hole for the cutter head 32 to extend downward through. The blade extends through the through-hole 15 into the through-hole and downward to the lower plate 11, allowing the blade to extend below the bottom surface of the floor cloth 6, effectively cutting the floor cloth 6 and ensuring a thorough and secure cutting action.

[0057] In some embodiments, the above-mentioned walking seat 1 can be used as follows Figure 2 See the structure shown. Figure 2The walking seat 1 includes a lower plate 11, a guide member 12 and an upper plate 13. The surface of the lower plate 11 is arranged in the horizontal direction, and a plurality of rollers 111 are provided at the bottom of the lower plate 11; the guide member 12 is connected to one side of the top surface of the lower plate 11, and a side wall of the guide member 12 is used to fit with the side edge of the floor cloth 6; the upper plate 13 is connected to the top of the guide member 12, and the upper plate 13, the guide member 12 and the lower plate 11 enclose a through cavity, and a knife hole 15 is set through the upper plate 13 and the lower plate 11.

[0058] A guide member 12 is disposed between the upper plate 13 and the lower plate 11. A through cavity is formed between the upper plate 13 and the lower plate 11, located to the side of the guide member 12. Bolts connect the upper plate 13, the guide member 12, and the lower plate 11. The upper plate 13, the lower plate 11, and the guide member 12 are all made of high-strength aluminum alloy, resulting in a secure connection and lightweight construction.

[0059] The through hole 15 has a larger width on the upper plate 13 and a smaller width on the lower plate 11 (the width here refers to the dimension in the front-to-back direction). This is because the width of the blade is larger in the front-to-back direction near the top and smaller in the lower cutting position.

[0060] As one of the embodiments, the outer dimensions of the walking seat 1 are 1200 mm in length, 200 mm in width, and 100 mm in height. The upper plate 13 and the lower plate 11 are aluminum plates with a thickness of 8 mm respectively. The through cavity of the walking seat 1 is used to accommodate the floor cloth 6, and the entire floor cloth 6 can be cut into strips of floor cloth 6 of any width between 50 mm and 1050 mm by the cutter head 32.

[0061] To increase cutting speed and reduce resistance during cutting, four rollers 111 are installed beneath the lower plate 11. The two rollers 111 near the front are fixed wheels, while the two near the rear are universal wheels. These fixed wheels ensure stable movement. Guided by the guide members 12, the side edges of the floor cloth 6 closely align with the inner surfaces of the guide members 12, and the universal wheels automatically adjust according to the direction of the fixed wheels.

[0062] The above structure can reduce the material consumption of the walking base 1, facilitate the lightweight effect and reduce costs. The height of the walking base 1 cannot be too high to avoid the problem of cutting problems caused by excessive extension of the cutter head 32 in the vertical direction.

[0063] In some possible implementations, the walking direction of the walking seat 1 is limited by the contact between the guide member 12 and the outer edge of the floor cloth 6. Figure 1 The mounting shaft 4 is arranged perpendicular to the front-to-back direction, and at least two bearings 14 for rolling cooperation with the side edges of the floor cloth 6 are rotatably connected in the through cavity.

[0064] The guide member 12 is a strip-shaped component extending along the direction of the walking seat 1. The side of the guide member 12 close to the walking seat 1 can effectively fit with the side edge of the floor cloth 6, guide and limit the walking direction of the walking seat 1, ensure the stability of the position of the cutting head 32 on the walking seat 1, and enable the floor cloth 6 to be cut to a standard width.

[0065] In order to reduce the friction between the guide member 12 and the floor cloth 6 when the guide member 12 contacts the side edge of the floor cloth 6, a plurality of bearings 14 are provided on the guide member 12. The bearings 14 are spaced apart in the extending direction of the guide member 12.

[0066] Two bearings 14 can be optionally set on the side of the guide member 12, and the two bearings 14 are respectively located near the two ends of the side of the guide member 12. It can also be selected to set up three bearings 14, one of which is located in the middle of the extension direction of the guide member 12, and the other two are respectively set near the two ends of the guide member 12.

[0067] The bearing 14 is rotatably connected to the guide member 12. In order to save space, a receiving cavity that can accommodate the bearing 14 can be provided on the guide member 12. The inner diameter of the receiving cavity is larger than the outer ring size of the bearing 14, providing sufficient rotation space for the bearing 14. Only the side of the bearing 14 close to the floor cloth 6 needs to protrude outward from the guide member 12. The outer ring of the bearing 14 is used to roll with the floor cloth 6 to avoid the problem of excessive friction caused by direct contact between the guide member 12 and the floor cloth 6, and at the same time, it also avoids friction damage to the floor cloth 6.

[0068] In some embodiments, the above-mentioned upper plate 13 may be formed as follows: Figure 5 See the structure shown. Figure 5 The top surface of the upper plate 13 is provided with a recessed clearance cavity 16 that allows the knife holder 31 to rotate. The clearance cavity 16 corresponds to the mounting shaft 4 in a vertical manner. On this basis, in order to provide sufficient space for the knife holder 31 to rotate about the first axis 41, the clearance cavity 16 is provided on the top surface of the upper plate 13. The provision of the clearance cavity 16 ensures that there is sufficient space for the knife holder 31 to rotate about the first axis 41, providing a basis for locking and disengaging the self-locking slot 33 and the second axis 42, and achieving the effect of adjusting the position of the knife holder 31 on the first axis 41, which is convenient for cutting floor cloths 6 of different widths.

[0069] In some possible implementations, the above-mentioned characteristic walking seat 1 adopts the following Figure 1 and Figure 2 See the structure shown. Figure 1 and Figure 2 The walking seat 1 is also provided with a traction seat 17 located in front of the mounting shaft 4, and a gripping handle 18 arranged near the shaft end of the mounting shaft 4, and the traction seat 17 is connected to a traction rope.

[0070] When the walking seat 1 is manually driven, a traction seat 17 is positioned on the side of the walking seat 1 facing the direction of travel (i.e., the front side in the direction of travel). A traction rope is used to drive the traction seat 17 forward. Furthermore, a gripping handle 18 is provided on the flat surface of the walking seat 1 to facilitate the operator's application of force to the walking seat 1, ensuring that the walking seat 1 is in contact with the bottom surface so that the cutter head 32 can cut the floor cloth 6. To cut the floor cloth, one person holds the gripping handle 18 and pushes the cutting device while another person pulls the traction rope, conveniently completing the cutting of the floor cloth 6.

[0071] The traction rope can also be pulled by an electric traction device, which reduces operator labor intensity and improves operator comfort. Using this device, cutting the floor cloth 6 of a single compartment can be completed in just three minutes, increasing work efficiency eightfold compared to previous operations. Furthermore, the cross-sectional accuracy of the cut floor cloth 6 has been improved from within ±10mm to within ±2mm, a five-fold improvement in cutting accuracy compared to traditional cutting methods, resulting in excellent economic benefits.

[0072] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Floor cloth cutting device, characterized in that, include: A walking seat, one side of which is provided with a through cavity that runs through in the front-to-back direction and is used to accommodate a floor cloth, the inner side wall of the through cavity is in contact with the side edge of the floor cloth to limit the walking direction of the walking seat, and a horizontally extending mounting shaft is provided above the walking seat; a cutting assembly comprising a knife seat connected to the mounting shaft, and a knife head disposed below the knife seat and extending into the through cavity for cutting the floor cloth; wherein the cutting assembly is capable of sliding along the axial direction of the mounting shaft to adjust the distance between the cutting assembly and the inner side wall of the through cavity; The mounting shaft includes a first shaft and a second shaft arranged in parallel, the middle portion of the knife seat is rotatably connected to the first shaft, the knife head is arranged at the rear end of the knife seat, and the front end of the knife seat is provided with a self-locking slot that engages with the second shaft to lock the position of the knife seat; A coupling is also slidably sleeved on the first shaft and the second shaft, and the knife holder is provided with an accommodating cavity extending vertically therethrough for accommodating the coupling. The knife holder has a first clamping portion and a second clamping portion located on both sides of the accommodating cavity, and the self-locking slot includes a first clamping slot located on the first clamping portion and a second clamping slot located on the second clamping portion. Wherein, the first clamping groove and the second clamping groove are spiral grooves with the same rotation direction. When the first clamping groove and the second clamping groove are respectively clamped with the first shaft, the first clamping portion and the second clamping portion have a first thrust to push the first shaft toward the side close to the cutter head, and the coupling has a second thrust to push the first shaft toward the side away from the cutter head.

2. The floor cloth cutting device according to claim 1, wherein: A pressing wrench extending backward is also provided on the upper portion of the knife seat, and the pressing wrench is used to drive the knife seat to rotate around the first axis.

3. The floor cloth cutting device according to claim 1, wherein: A concave cavity is provided on one side wall of the knife seat, and the knife head is a blade. The blade is attached to the side wall of the concave cavity. The concave cavity has a stop surface abutting the front edge of the blade. A pressure plate is provided on the outside of the blade, and the pressure plate is connected to the knife seat through a connecting piece set through the blade.

4. The floor cloth cutting device according to any one of claims 1 to 3, characterized in that: The installation shaft is arranged perpendicular to the front-rear direction, and the travel seat is provided with a knife hole which passes through from top to bottom and extends along the axial direction of the installation shaft.

5. The floor cloth cutting device according to claim 4, wherein: The walking seat comprises: The lower plate has a plate surface arranged in a horizontal direction, and a plurality of rollers are arranged at the bottom of the lower plate; a guide member connected to one side of the top surface of the lower plate, wherein a side wall of the guide member is adapted to fit with a side edge of the floor cloth; The upper plate is connected to the upper side of the guide member. The upper plate, the guide member and the lower plate enclose the through cavity. The through hole is set through the upper plate and the lower plate.

6. The floor cloth cutting device according to claim 5, wherein: At least two bearings are rotatably connected to the guide member and are used for rolling cooperation with the side edges of the floor cloth.

7. The floor cloth cutting device according to claim 6, wherein: A recessed cavity is provided on the top surface of the upper plate to avoid rotation of the knife seat, and the recessed cavity corresponds to the mounting shaft in the upper and lower directions.

8. The floor cloth cutting device according to any one of claims 1 to 3, characterized in that: The walking seat is further provided with a traction seat located at the front side of the installation shaft, and a gripping handle arranged near the shaft end of the installation shaft, and the traction seat is connected with a traction rope.

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